CN207605178U - Reliable and stable draft regulator - Google Patents
Reliable and stable draft regulator Download PDFInfo
- Publication number
- CN207605178U CN207605178U CN201720646379.2U CN201720646379U CN207605178U CN 207605178 U CN207605178 U CN 207605178U CN 201720646379 U CN201720646379 U CN 201720646379U CN 207605178 U CN207605178 U CN 207605178U
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- module
- negative pressure
- air flue
- reliable
- draft regulator
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Abstract
A kind of reliable and stable draft regulator, it includes shell, equipped with the air flue module and switch module being connected with air flue module, adjustment module and locking module in the shell, the locking module is close to the side fixed setting of air flue module, and switch module and adjustment module are mounted on the other side of air flue module；Negative pressure delivery outlet and constant negative pressure source input port on the outside of locking module are connected to the gas channel in air flue module, and switch module controls the connectivity part for being connected to negative pressure delivery outlet and constant negative pressure source input port and air flue module interior air-flow channel；The locking module is additionally provided with positive-pressure protecting device and high negative pressure protective device.The utility model then uses lower negative pressure to drain, avoid destruction of the high negative pressure for operation, prevent the dangerous possibility occurred in operation, accurate adjusting is taken to negative pressure by pressure adjusting module, advantageously reduce the risk in art, in addition the utility model also has easy to operate, convenient and efficient, the characteristics of being widely used.
Description
Technical field
The utility model is related to Medical negative pressure equipment, especially a kind of reliable and stable draft regulator.
Background technology
Aspirator is that medical operating summarizes common equipment, it be mainly used for absorbing hand intraoperative hemorrhage, exudate, fester,
Content in thoracic organ keeps operation clear, reduces opportunities for contamination.The principle of aspirator is very simple, is exactly by certain
Method manufactures the negative pressure state of its sucking head, and such atmospheric pressure will squeeze the substance outside sucking head to sucking head, to complete
At the effect of " attraction ".
In order to obtain stable vacuum suction effect, aspirator needs the draft regulator for having reliable and stable, however, working as
Preceding draft regulator controls gas mainly by the way of controlling air-flow to adjust vacuum magnitude by corresponding valve member
Stream flow direction, structure function can only meet the operation needs generally performed the operation, it is difficult to meet the precision of high-precision clinical operation with can
It is required by property.
Utility model content
The purpose of this utility model is to provide a kind of reliable and stable draft regulator, it has compact-sized, user
Just with precise and safety the advantages of.
The utility model is achieved like this, a kind of reliable and stable draft regulator, it includes shell, and feature exists
In described equipped with the air flue module and switch module being connected with air flue module, adjustment module and locking module in the shell
Locking module is close to the side fixed setting of air flue module, and switch module and adjustment module are mounted on the other side of air flue module；
Negative pressure delivery outlet and constant negative pressure source input port on the outside of locking module are connected to the gas channel in air flue module, are switched
Module controls the connectivity part for being connected to negative pressure delivery outlet and constant negative pressure source input port and air flue module interior air-flow channel；The lock
Tight module is additionally provided with positive-pressure protecting device and high negative pressure protective device.
The switch module includes rotary shaft and the control handle that is sequentially connected with one end of rotary shaft, the rotary shaft
The other end reaches the connectivity part of negative pressure delivery outlet and constant negative pressure source input port and air flue module interior air-flow channel.
The adjustment module include the adjusting knob for being driven setting successively, threaded adjusting block, adjustment spring, spring thimble with
And adjusting rod, the adjusting rod are extend into the gas channel in air flue module.
The draft regulator further includes the pressure gauge being connected to the gas channel in air flue module.
Air flue module interior air-flow channel corresponding position, which is equipped with to coordinate with rotary shaft, adjusting rod and pressure gauge respectively, to be connected
Switch hole, adjustment hole and the spliced eye connect.
Preferably：The positive-pressure protecting device is arranged in the junction of pressure gauge and air flue module interior air-flow channel.
Preferably：The connection in adjustment module and air flue module interior air-flow channel is arranged in the high negative pressure protective device
Place.
The high negative pressure protective device includes spring and the rubber plug being connected with spring, and the positive-pressure protecting device is glue
Leather packing, Rubber washer are equipped with spliced eye.
The beneficial effects of the utility model are：The utility model then uses lower negative pressure to drain, and avoids high negative pressure for hand
The destruction of art, it is therefore prevented that the dangerous possibility occurred in operation is taken accurate adjusting to negative pressure by pressure adjusting module, is conducive to
The risk in art is reduced, in addition the utility model operation is simpler, only needs to connect inlet port on demand in use, convenient fast
It is prompt；It is widely used, can be used for drainage, the perfusion of cardiac operation, it can also be used to the operations such as blood absorption.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model one embodiment.
Fig. 2 is the utility model modules and gas channel position assumption diagram.
Fig. 3 is the structural schematic diagram of the utility model adjustment module one embodiment.
Fig. 4 is the structural schematic diagram of the utility model air flue module one embodiment.
In the figure 1, locking module 2, air flue module 3, adjustment module 4, switch module 5, negative pressure delivery outlet 6, permanent
Determine negative pressure source input port 7, pressure gauge.
Specific implementation mode
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
As shown in Figs 1-4, the utility model is realized in this way, a kind of reliable and stable draft regulator, it includes shell
Body is structurally characterized in that, equipped with air flue module 2 and the switch module 4 being connected with air flue module 2, adjustment module 3 in the shell
And locking module 1, the locking module 1 are close to the side fixed setting of air flue module 2, switch module 4 and adjustment module 3 are pacified
Mounted in the other side of air flue module 2；Positioned at the negative pressure delivery outlet 5 in 1 outside of locking module and constant negative pressure source input port 6 and air flue
Gas channel connection in module 2, the control of switch module 4 are connected to negative pressure delivery outlet 5 and constant negative pressure source input port 6 and air flue
The connectivity part in 2 interior air-flow channel of module；The locking module 1 is additionally provided with positive-pressure protecting device and high negative pressure protective device；Make
One stable negative pressure source need to be only connected to by constant negative pressure source input port 6 with air flue module 2 by the used time, in actual use, can
Directly it is connected into hospital's negative pressure net；Negative pressure delivery outlet 5 connects the instruments such as constant volume storage haemocoele body, is then made by switch module 4
Gas channel connection in air flue module 2, and adjusted by adjustment module 3, to obtain required negative pressure；It is reliable in order to ensure
Property and safety, the locking module 1 are additionally provided with positive-pressure protecting device and high negative pressure protective device, can pass through positive pressure protection in this way
Device realizes that positive pressure protection prevents adverse current, and destruction of the high negative pressure for operation can be avoided by high negative pressure protective device, in reality
In the operation of border, which can realize that 0~-100mmHg is accurately adjusted, and easy-to-operate realizes switch
Export the multiple functions effects such as negative pressure source, overload protection, positive pressure protection and pressure adjustment.
The key of the utility model is position and the connection structure of each functional unit, when it is implemented, described open
The control handle 401 that the one end of module 4 including rotary shaft 402 and with rotary shaft 402 is sequentially connected is closed, the rotary shaft 402
The other end reaches the connectivity part of negative pressure delivery outlet 5 and constant negative pressure source input port 6 and 2 interior air-flow channel of air flue module；Operation
When, rotary shaft 402 is controlled by the control handle 401 outside shell and is rotated, rotary shaft 402 rotates different angle, realizes gas
Gas channel connection in road module 2 or closing, when gas channel is connected to, negative pressure delivery outlet 5 to constant negative pressure source input port 6
It is unobstructed；When gas channel is closed, negative pressure delivery outlet 5 is connect with air, realizes that negative pressure output is closed.
The structure of the adjustment module 3 is as shown in figure 3, it includes the adjusting knob 301 for being driven setting successively, threaded adjusting
Block 302, adjustment spring 303, spring thimble 304 and adjusting rod 305, the adjusting rod 305 extend into the air-flow in air flue module 2
In channel.The adjustment module 3 effect is adjusting negative pressure, and when mounted, wherein adjusting rod 305 coordinates with spring thimble 304, bullet
Spring thimble 304 is connected with adjustment spring 303 again, and adjustment spring 303 is controlled by threaded adjusting block 302 and connected, and is adjusted as long as adjusting
Save knob 301, so that it may to drive threaded adjusting block 302 to rotate, to push adjustment spring 303 to compress or stretch movement, adjust
Spring 303 generates influence of crust deformation spring thimble 304, and then adjusting rod 305 is driven to move, and the movement of adjusting rod 305 makes air flue mould
Throughput in block interior air-flow channel changes, and realizes the adjusting of negative pressure, when adjusting rod is connected to different air flues, realizes different
The variation of negative pressure.
In order to realize visualized operation, which further includes the pressure being connected to the gas channel in air flue module 2
Power table 7, the pressure gauge 7 are embedded in the housing, can detect negative pressure variation in gas channel in real time by pressure gauge 7, realization can
Depending on the control and adjusting of change.
Another crucial functional unit of the utility model is air flue module 2, and structure is as shown in figure 4, the air flue
2 interior air-flow channel corresponding position of module is equipped with the switch being connected respectively with rotary shaft 402, adjusting rod 305 and pressure gauge 7
Hole 201, adjustment hole 202 and spliced eye 203, the spliced eye 203 use plum blossom pore structure.It is each that air flue module 2 plays connection
Function module and the effect for making its mutually coordinated work connect negative pressure delivery outlet 5 and constant negative pressure source input port 6 and pressure first
Power table 7, while air flue module 2 is connected with switch module 4 and adjustment module 3.The adjustment module 3 and air pressure that air flue module 2 connects
Table 7 realizes the real-time display for the negative pressure that air gauge 7 adjusts adjustment module 3.
In order to obtain the structure of relatively reliable stabilization, positive-pressure protecting device and high negative pressure protective device is allowed to play preferably
Protection effect, the utility model are also designed improvement to its locations of structures, and when implementing, the positive-pressure protecting device setting exists
The junction of pressure gauge 7 and 2 interior air-flow channel of air flue module；The high negative pressure protective device is arranged in adjustment module 3 and air flue
The junction in 2 interior air-flow channel of module；The high negative pressure protective device includes spring and the rubber plug being connected with spring, described
Positive-pressure protecting device is Rubber washer, and Rubber washer is equipped with spliced eye 203.Positive-pressure protecting device and high negative pressure protective device energy
Positive pressure protection and high voltage protective enough are provided for gas channel, when there is positive pressure, the Rubber washer of positive-pressure protecting device can be immediately
It is blown afloat, so that gas is discharged from plum blossom hole, prevent from causing danger in use；When there is limit high negative pressure, rubber plug
It can be adsorbed on gas channel, shut channel.
The utility model be it is a kind of can accurately adjust negative pressure, multizone application, doctor be facilitated to use, and with just
Pressure and the draft regulator of super negative pressure protection, it is ensured that play fine adjustment when with gas and stablize smoothness, there is switch output
Negative pressure source, overload protection, positive pressure protection, pressure adjust and the functions such as pressure is shown, can meet draft regulator and be applied to medical treatment
Fine adjustment when condition of negative pressure needs.In practical operation, since the draft regulator itself is small-sized, and drain, perfusion institute
Need to operate it is less, can meet CPB pipelines miniaturization development trend, in operation reduce CPB priming volumes, hence it is evident that reduce blood it is dilute
Degree of releasing reduces platelet consumption, is consumed to reduce blood in operation, hospital and patient is made to be benefited.
Claims (8)
1. a kind of reliable and stable draft regulator, it includes shell, which is characterized in that air flue module (2) is equipped in the shell
And switch module (4), adjustment module (3) and the locking module (1) being connected with air flue module (2), the locking module (1)
It is close to the side fixed setting of air flue module (2), switch module (4) and adjustment module (3) are mounted on the another of air flue module (2)
Side；
In the negative pressure delivery outlet (5) and constant negative pressure source input port (6) and air flue module (2) on the outside of locking module (1)
Gas channel is connected to, and switch module (4) control is connected to negative pressure delivery outlet (5) and constant negative pressure source input port (6) and air flue mould
The connectivity part in block (2) interior air-flow channel；
The locking module (1) is additionally provided with positive-pressure protecting device and high negative pressure protective device.
2. reliable and stable draft regulator as described in claim 1, which is characterized in that the switch module (4) includes rotation
Shaft (402) and the control handle (401) being sequentially connected with one end of rotary shaft (402), the other end of the rotary shaft (402)
Reach the connectivity part of negative pressure delivery outlet (5) and constant negative pressure source input port (6) and air flue module (2) interior air-flow channel.
3. reliable and stable draft regulator as claimed in claim 2, which is characterized in that the adjustment module (3) include according to
Adjusting knob (301), threaded adjusting block (302), adjustment spring (303), spring thimble (304) and the adjusting of secondary transmission setting
Bar (305), the adjusting rod (305) are extend into the gas channel in air flue module (2).
4. reliable and stable draft regulator as claimed in claim 3, which is characterized in that the draft regulator further includes and gas
The pressure gauge (7) of gas channel connection in road module (2).
5. reliable and stable draft regulator as claimed in claim 4, which is characterized in that air flue module (2) interior air-flow
Channel corresponding position is equipped with the switch hole being connected respectively with rotary shaft (402), adjusting rod (305) and pressure gauge (7)
(201), adjustment hole (202) and spliced eye (203).
6. reliable and stable draft regulator as claimed in claim 5, which is characterized in that the positive-pressure protecting device setting exists
The junction of pressure gauge (7) and air flue module (2) interior air-flow channel.
7. reliable and stable draft regulator as claimed in claim 6, which is characterized in that the high negative pressure protective device setting
In the junction of adjustment module (3) and air flue module (2) interior air-flow channel.
8. the reliable and stable draft regulator as described in any one of claim 6 or 7, which is characterized in that described high negative
Pressure protective device includes spring and the rubber plug being connected with spring, and the positive-pressure protecting device is Rubber washer, Rubber washer with it is slotting
Hole (203) is connect to be equipped with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720646379.2U CN207605178U (en) | 2017-06-06 | 2017-06-06 | Reliable and stable draft regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720646379.2U CN207605178U (en) | 2017-06-06 | 2017-06-06 | Reliable and stable draft regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207605178U true CN207605178U (en) | 2018-07-13 |
Family
ID=62792763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720646379.2U Active CN207605178U (en) | 2017-06-06 | 2017-06-06 | Reliable and stable draft regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207605178U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110302439A (en) * | 2019-05-30 | 2019-10-08 | 天津市同业科技发展有限公司 | A kind of negative pressure and/or oxygen export stable Multifunctional central suction controller |
-
2017
- 2017-06-06 CN CN201720646379.2U patent/CN207605178U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110302439A (en) * | 2019-05-30 | 2019-10-08 | 天津市同业科技发展有限公司 | A kind of negative pressure and/or oxygen export stable Multifunctional central suction controller |
| CN110302439B (en) * | 2019-05-30 | 2024-04-26 | 天津市同业科技发展有限公司 | Multifunctional central suction controller with stable negative pressure and/or oxygen output |
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