CN216963141U - Disposable precise negative pressure drainage device - Google Patents
Disposable precise negative pressure drainage device Download PDFInfo
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- CN216963141U CN216963141U CN202123144272.3U CN202123144272U CN216963141U CN 216963141 U CN216963141 U CN 216963141U CN 202123144272 U CN202123144272 U CN 202123144272U CN 216963141 U CN216963141 U CN 216963141U
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- negative pressure
- liquid storage
- drainage device
- storage pot
- frame
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Abstract
The utility model discloses a disposable precise negative pressure drainage device, which relates to the technical field of medical appliances and aims to solve the problems that the conventional negative pressure drainage device is inconvenient to use, cannot continuously and manually produce negative pressure during drainage, cannot detect and judge the internal negative pressure condition during drainage, leads to unstable drainage condition and further influences the accuracy of drainage flow.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a disposable precise negative pressure drainage device.
Background
The application to the negative pressure drainage device is very extensive in clinical, and it is that the negative pressure principle realizes that through causing the negative pressure in the bottle for the outer liquid accessible negative pressure of bottle gets into in the bottle.
The existing negative pressure drainage device is inconvenient to use, negative pressure cannot be continuously manufactured manually during drainage, and the internal negative pressure condition cannot be detected and judged during drainage, so that the drainage condition is unstable, and the accuracy of drainage flow is influenced. Therefore, a disposable precise negative pressure drainage device is provided to meet the requirement of clinical use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a disposable precise negative pressure drainage device, and aims to solve the problems that the conventional negative pressure drainage device is inconvenient to use, cannot manually and continuously produce negative pressure during drainage, cannot detect and judge the internal negative pressure condition during drainage, causes unstable drainage condition and further influences the accuracy of drainage flow in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a precision negative pressure drainage device of disposable, includes the liquid storage pot, be provided with the scale sign on the lateral wall of liquid storage pot, the top intercommunication of liquid storage pot has the drainage connecting pipe, the bottom intercommunication of liquid storage pot has the fluid-discharge tube, the top both sides of liquid storage pot are provided with flowing back air inlet and negative pressure gas outlet respectively, the negative pressure gas outlet is linked together through air duct and negative pressure mechanism.
Preferably, the liquid discharge air inlet is provided with a valve which can be opened and closed.
Preferably, a through hole is formed above the side wall of the liquid storage tank, one side of the through hole is in sealing connection with the air bag, and the other side of the through hole is provided with a waterproof breathable film in a sealing manner.
Preferably, the negative pressure mechanism comprises an outer frame with one end being closed and the other end being open, the outer frame is fixedly arranged on the side wall of the liquid storage tank, a piston inner core matched with the inner wall of the outer frame in shape is arranged inside the outer frame, a push-pull block is arranged at one end of the piston inner core facing to the opening side of the outer frame, the push-pull block is connected with the inner wall of the outer frame in a sliding mode, an air inlet end and an exhaust end are arranged on the top of the outer frame and the side wall respectively, one-way valves are arranged inside the air inlet end and the exhaust end, and the air inlet end is communicated with the air guide tube.
Preferably, one end of the push-pull block, which is far away from the piston inner core, is provided with a cap edge convenient for force application.
Compared with the prior art, the utility model has the beneficial effects that: this accurate negative pressure drainage device of disposable through the cooperation between each part for the whole convenient to use of the device can artifical continuous manufacturing negative pressure, and can detect and judge the inside negative pressure condition during the drainage, and then makes the drainage condition more stable, thereby the accuracy nature of flow when promoting the drainage has higher practical value.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
fig. 3 is a cross-sectional partially enlarged structural view of the present invention.
In the figure: 1. liquid storage pot, 2, drainage connecting pipe, 3, fluid-discharge tube, 4, flowing back air inlet, 5, negative pressure gas outlet, 6, air duct, 7, frame, 8, piston inner core, 9, push-and-pull piece, 10, income gas end, 11, exhaust end, 12, check valve, 13, through-hole, 14, gasbag, 15, waterproof ventilated membrane, 16, scale mark.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The components of the present invention are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimentation.
Referring to fig. 1-3, the present invention provides a technical solution:
the utility model provides a precision negative pressure drainage device of disposable, includes liquid storage pot 1, is provided with scale mark 16 on the lateral wall of liquid storage pot 1, and the top intercommunication of liquid storage pot 1 has drainage connecting pipe 2, and the bottom intercommunication of liquid storage pot 1 has fluid-discharge tube 3, and the top both sides of liquid storage pot 1 are provided with flowing back air inlet 4 and negative pressure gas outlet 5 respectively, and negative pressure gas outlet 5 is linked together through air duct 6 and negative pressure mechanism.
It should be noted that the liquid storage tank 1 is specifically a transparent cylindrical structure with both ends closed, and the liquid level and the drainage condition inside the liquid storage tank 1 can be clearly known through the arrangement of the scale marks 16.
Specifically, the internal gas of the liquid storage tank 1 is pumped out from the negative pressure gas outlet 5 through the air duct 6 of the negative pressure mechanism, so that the internal part of the liquid storage tank 1 is in a negative pressure state, the liquid can flow into the liquid storage tank 1 from the drainage connecting pipe 2 at the moment, the quantity value of the drainage at this time can be known through the scale mark 16, the accurate drainage is realized, and the drainage is discharged through the liquid discharge pipe 3 after the drainage.
In a preferred embodiment, the drain inlet 4 is provided with a valve that can be opened and closed.
Specifically, through the opening or closing setting of flowing back air inlet 4, can promote 1 inside feed liquor of liquid storage pot and flowing back efficiency, can close the valve when the feed liquor promptly for 1 inside atmospheric pressure of liquid storage pot can completely cut off with atmospheric pressure, and then guarantees the drainage effect, can open the valve during flowing back, makes 1 inside and atmospheric circulation of liquid storage pot, and then can reduce the influence of atmospheric pressure to the flowing back, accelerates the efficiency of flowing back.
In a preferred embodiment, a through hole 13 is provided above the side wall of the reservoir tank 1, one side of the through hole 13 is hermetically connected with the airbag 14, and the other side of the through hole 13 is hermetically provided with a waterproof and breathable membrane 15.
Specifically, when the interior of the liquid storage tank 1 is in a negative pressure state, the air bag 14 can contract and wrinkle along with the liquid storage tank, and when the interior of the liquid storage tank 1 is in a normal air pressure state, the air bag 14 can restore to the original shape, so that the air pressure condition in the liquid storage tank 1 can be detected and known by observing the state of the air bag 14, and meanwhile, the arrangement of the waterproof breathable film 15 can prevent liquid in the liquid storage tank 1 from entering the air bag 14 during drainage, so that the using effect of the air bag 14 is ensured.
As a preferred embodiment, the negative pressure mechanism comprises an outer frame 7 with one end being a closed end and one end being an open end, the outer frame 7 is fixedly arranged on the side wall of the liquid storage tank 1, a piston inner core 8 matched with the inner wall of the outer frame 7 in shape is arranged inside the outer frame 7, a push-pull block 9 is arranged at one end, facing the opening side of the outer frame 7, of the piston inner core 8, the push-pull block 9 is connected with the inner wall of the outer frame 7 in a sliding manner, an air inlet end 10 and an air outlet end 11 are respectively arranged on the top and the side wall of the outer frame 7, one-way valves 12 are respectively arranged inside the air inlet end 10 and the air outlet end 11, and the air inlet end 10 is communicated with the air guide tube 6.
It should be noted that the outer frame 7 is attached to the side wall of the liquid storage tank 1 in a streamline manner, the check valve 12 located inside the air inlet end 10 can unidirectionally guide the air in the air duct 6 into the cavity between the closed side of the outer frame 7 and the piston inner core 8, and the check valve 12 located inside the air outlet end 11 can unidirectionally guide the air in the cavity between the closed side of the outer frame 7 and the piston inner core 8 out to the outside.
Specifically, can drive piston inner core 8 lapse through pulling push-and-pull piece 9, and then make the cavity space between 7 sides of remaining silent of frame and the piston inner core 8 grow and present the negative pressure state, this moment with the leading-in cavity between 7 sides of remaining silent of frame and the piston inner core 8 of the inside gaseous accessible air duct 6 of liquid storage pot 1, push-and-pull piece 9 up this moment, make the cavity space between 7 sides of remaining silent of frame and the piston inner core 8 diminish, and then make the gas of the cavity between 7 sides of remaining silent of frame and the piston inner core 8 can discharge to the external world, therefore, this push-and-pull process is repeated and can be made liquid storage pot 1 realize the negative pressure drainage.
In a preferred embodiment, the end of the push-pull block 9 facing away from the piston core 8 is provided with a cap edge for facilitating force application.
Specifically, the brim and the end of the push-pull block 9 departing from the piston core 8 are integrally formed, and the brim and the end can play a role in facilitating the push-pull of an operator.
The following working principles, detailed connecting means thereof, and the following main descriptions of the working principles and processes are well known in the art, and will be referred to by those skilled in the art for the specific connection and operation sequence of the components in this application.
The working process and the working principle of the utility model are as follows: during the use, stir push-and-pull piece 9 for piston inner core 8 can be in frame 7 reciprocating sliding, can make the inside gas of liquid storage pot 1 by leading-in frame 7 close the inside cavity between the side and the piston inner core 8 and discharge through the change of the inside atmospheric pressure of cavity between frame 7 close the side and the piston inner core 8, and then make liquid storage pot 1 can present the negative pressure state, this moment liquid has got into the inside of liquid storage pot 1 through drainage connecting pipe 2, can learn the drainage condition through scale sign 16, and then realize accurate drainage.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a precise negative pressure drainage device of disposable which characterized in that: including liquid storage pot (1), be provided with scale mark (16) on the lateral wall of liquid storage pot (1), the top intercommunication of liquid storage pot (1) has drainage connecting pipe (2), the bottom intercommunication of liquid storage pot (1) has fluid-discharge tube (3), the top both sides of liquid storage pot (1) are provided with flowing back air inlet (4) and negative pressure gas outlet (5) respectively, negative pressure gas outlet (5) are linked together through air duct (6) and negative pressure mechanism.
2. The precise negative pressure drainage device for one-time use according to claim 1, wherein: and the liquid drainage air inlet (4) is provided with a valve which can be opened and closed.
3. The precise negative pressure drainage device for one time use according to claim 1, wherein: a through hole (13) is formed in the upper portion of the side wall of the liquid storage tank (1), one side of the through hole (13) is in sealing connection with an air bag (14), and a waterproof breathable film (15) is arranged on the other side of the through hole (13) in a sealing mode.
4. The precise negative pressure drainage device for one time use according to claim 1, wherein: negative pressure mechanism includes that one end is for closing, one end is open-ended frame (7), frame (7) are fixed to be set up on the lateral wall of liquid storage pot (1), the inside of frame (7) is provided with rather than inner wall shape assorted piston inner core (8), piston inner core (8) are provided with to push away and draw piece (9) towards frame (7) opening side's one end, push away and draw the inner wall sliding connection of piece (9) and frame (7), be provided with respectively on the top of frame (7) and the lateral wall and go into gas end (10) and exhaust end (11), the inside of going into gas end (10) and exhaust end (11) all is provided with check valve (12), and goes into gas end (10) and is linked together with air duct (6).
5. The precise negative pressure drainage device for one time use according to claim 4, wherein: one end of the push-pull block (9) departing from the piston inner core (8) is provided with a brim convenient for exerting force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123144272.3U CN216963141U (en) | 2021-12-15 | 2021-12-15 | Disposable precise negative pressure drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123144272.3U CN216963141U (en) | 2021-12-15 | 2021-12-15 | Disposable precise negative pressure drainage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216963141U true CN216963141U (en) | 2022-07-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123144272.3U Active CN216963141U (en) | 2021-12-15 | 2021-12-15 | Disposable precise negative pressure drainage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216963141U (en) |
-
2021
- 2021-12-15 CN CN202123144272.3U patent/CN216963141U/en active Active
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