CN209092295U - A kind of double-linked combination vacuum pump for negative pressure suction device - Google Patents
A kind of double-linked combination vacuum pump for negative pressure suction device Download PDFInfo
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- CN209092295U CN209092295U CN201820799519.4U CN201820799519U CN209092295U CN 209092295 U CN209092295 U CN 209092295U CN 201820799519 U CN201820799519 U CN 201820799519U CN 209092295 U CN209092295 U CN 209092295U
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- vacuum pump
- pump
- negative pressure
- pressure port
- suction device
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Abstract
The utility model relates to a kind of double-linked combination vacuum pumps for negative pressure suction device, it is characterized by comprising pump bottom plates, first vacuum pump, second vacuum pump, connecting tube, three-limb tube and solenoid valve, the first vacuum pump and the second vacuum pump are provided on pump bottom plate, there are outer positive pressure port and outer negative pressure ports on the outside of the pump cover of the first vacuum pump and the second vacuum pump rear and front end, the outer positive pressure port of the two of each vacuum pump and outer negative pressure port are connected by connecting tube, interior positive pressure port and interior negative pressure port are correspondingly arranged in the inside of the first vacuum pump front end pump cover and the inside of the second vacuum pump rear end pump cover, pass through connecting tube at the interior negative pressure port of the first vacuum pump and the second vacuum pump and is connected with solenoid valve, the both ends of the three-limb tube are connect with solenoid valve respectively, the other end forms negative pressure delivery outlet.The utility model have the advantages that small-large flow can be converted, be satisfied the use demand, noise is small, it is at low cost, be easily achieved.
Description
Technical field
The utility model belongs to medical instruments field, is related to a kind of vacuum pump, especially a kind of to be used for negative pressure suction device
Double-linked combination vacuum pump.
Background technique
Negative pressure suction device is the negative pressure provided by vacuum pump, by the device outside the intracorporal hydrops lead body of people.It is existing
The reason of vacuum pump of negative pressure is because of outsourcing is provided for negative pressure suction device, mostly single design, in order to which the attraction for meeting different is wanted
Ask, the vacuum pump of different flow can be set, for example, when for respiratory tract sputum aspiration when, it is required that flow it is lower, at this point, just
It can select the suction device with low-power vacuum pump；And when being used for, picture is performed the operation or other need special cares of big flow attraction
When, the suction device with high power vacuum pump will be selected.
Currently, being used for the problems of the vacuum pump of negative pressure suction device are as follows: 1, small-large flow can not be according to specific
Service condition is adjusted, converts, the outfit of more negative pressure suction devices, has aggravated cost for hospital；2, powerful vacuum pump
There are the big drawbacks of noise, affect for medical environment and patient mood.
By the retrieval to patent document, patent document identical with present patent application is not found.
Summary of the invention
The purpose of this utility model is to provide a kind of scientific structure design is reasonable, small-large flow can be converted, meet and make
With demand, noise is small, at low cost, the double-linked combination vacuum pump for negative pressure suction device that is easily achieved.
The utility model solves its technical problem and is achieved through the following technical solutions:
A kind of double-linked combination vacuum pump for negative pressure suction device, it is characterised in that: including pumping bottom plate, the first vacuum
Pump, the second vacuum pump, connecting tube, three-limb tube and solenoid valve, being arranged side by side on the pump bottom plate has the first vacuum pump
And second vacuum pump, there are outer positive pressures setting up and down on the outside of the pump cover of the first vacuum pump and the second vacuum pump rear and front end
Port and outer negative pressure port, the outer positive pressure port of the two of each vacuum pump and outer negative pressure port are connected by connecting tube, described
The corresponding outer positive pressure port in the inside of first vacuum pump front end pump cover and the inside of the second vacuum pump rear end pump cover and outer negative pressure
The position of port is provided with interior positive pressure port and interior negative pressure port, at the interior negative pressure port of the first vacuum pump and the second vacuum pump
Solenoid valve is connected with by connecting tube, the both ends of the three-limb tube are connect with solenoid valve respectively, and the other end forms negative pressure
Delivery outlet.
Moreover, further including muffler, pass through one or three at the interior positive pressure port of first vacuum pump and the second vacuum pump
Lead to adapter tube and is connected with muffler.
Moreover, further including resilient cushion, resilient cushion is installed at the bottom four corners of the pump bottom plate.
Moreover, first vacuum pump and the second vacuum pump is made of body in motor, pump case, pump and pump cover, pumping
Motor is installed at the top of shell, is sequentially installed with body and pump cover in pump from the inside to the outside on the rear and front end of pump case.
It the advantages of the utility model and has the beneficial effect that
1, this double-linked combination vacuum pump for being used for negative pressure suction device, in use, according to the usage requirement, selection is individually opened
Dynamic first vacuum pump or the second vacuum pump, realize the output of small flow negative pressure；Or it selects while starting the first vacuum pump and second
Vacuum pump, two vacuum pumps act on simultaneously, realize the output of big flow negative pressure.When selecting small flow, if desired for a long time into
Row attracts work, and the switching pump that system can also be intelligent, two such vacuum pump, which takes turns to operate, can be effectively ensured this
The ultra-long time of double-linked combination vacuum pump works, and prolongs its service life.
2, this double-linked combination vacuum pump for being used for negative pressure suction device, passes through the setting of muffler and setting for resilient cushion
It sets, realizes the purpose of further damping, noise reduction.
3, design is scientific and reasonable for the utility model, have small-large flow can be converted, be satisfied the use demand, noise is small, at
This is low, the advantages of being easily achieved, and is a kind of double-linked combination vacuum pump for negative pressure suction device with higher innovation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram (muffler is rear) of the utility model；
Fig. 2 is the structural schematic diagram (muffler is preceding) in another direction Fig. 1；
Fig. 3 is the top view of the utility model；
Fig. 4 is the working principle diagram ("+" is positive pressure, and "-" is negative pressure) of the utility model.
Description of symbols
The outer positive pressure gas of the first vacuum pump of 1-, the second vacuum pump of 2-, 3- three-limb tube, 4- muffler, 5- connecting tube, 6-
Mouthful, positive pressure port in the outer negative pressure port of 7-, 8-, negative pressure port, 10- solenoid valve, 11- negative pressure delivery outlet, 12- motor, 13- in 9-
Body, 17- pump cover during pump case, 14- resilient cushion, 15- pump bottom plate, 16- is pumped.
Specific embodiment
Below by specific embodiment, the utility model is described in further detail, following embodiment be it is descriptive, no
It is restrictive, protection scope of this utility model cannot be limited by this.
A kind of double-linked combination vacuum pump for negative pressure suction device, innovation are: including pumping bottom plate 15, first
Vacuum pump 1, the second vacuum pump 2, connecting tube 5, three-limb tube 3 and solenoid valve 10, being arranged side by side on the pump bottom plate has
First vacuum pump and the second vacuum pump, in 17 outside of pump cover of the first vacuum pump and the second vacuum pump rear and front end, there are upper and lower
The outer positive pressure port 6 and outer negative pressure port 7 being arranged, the outer positive pressure port of the two of each vacuum pump and outer negative pressure port pass through connection
Pipe connection, the corresponding outer positive pressure in the inside of pump cover and the inside of the second vacuum pump rear end pump cover in first vacuum pump front end
The position of port and outer negative pressure port is provided with interior positive pressure port 8 and interior negative pressure port 9, in the first vacuum pump and the second vacuum pump
Interior negative pressure port at pass through connecting tube and be connected with solenoid valve, the both ends of the three-limb tube are connect with solenoid valve respectively,
The other end forms negative pressure delivery outlet 11.
Further include muffler 4, leads at the interior positive pressure port of first vacuum pump and the second vacuum pump by one or three
Adapter tube is connected with muffler.
Further include resilient cushion 14, resilient cushion is installed at the bottom four corners of the pump bottom plate.
First vacuum pump and the second vacuum pump is made of body 16 in motor 12, pump case 13, pump and pump cover, is being pumped
Motor is installed at the top of shell, is sequentially installed with body and pump cover in pump from the inside to the outside on the rear and front end of pump case.
Working principle:
This double-linked combination vacuum pump for being used for negative pressure suction device can select big flow or small stream according to the demand of user
Amount.
When selecting big flow, the first vacuum pump and the second vacuum pump are worked at the same time, and negative pressure passes through respective solenoid valve, warp
Three-limb tube output is crossed, to realize the supply for arriving big flow negative pressure；
When selecting small flow, system starts one of pump work automatically, and another pump rest is passed through by solenoid valve
Three-limb tube output, realizes the supply of small flow negative pressure.If need to work long hours, the carry out first that system can also be intelligent is true
The switching of sky pump and the second vacuum pump can guarantee the ultra-long time work of system in this way, prolong its service life.
Although disclosing the embodiments of the present invention and attached drawing for the purpose of illustration, those skilled in the art can be with
Understand: departing from the utility model and spirit and scope of the appended claims, various substitutions, changes and modifications are all can
Can, therefore, the scope of the utility model is not limited to the embodiment and attached drawing disclosure of that.
Claims (4)
1. a kind of double-linked combination vacuum pump for negative pressure suction device, it is characterised in that: including pump bottom plate, the first vacuum pump,
Second vacuum pump, connecting tube, three-limb tube and solenoid valve, being arranged side by side on the pump bottom plate has the first vacuum pump and the
Two vacuum pumps, there are outer positive pressure ports setting up and down on the outside of the pump cover of the first vacuum pump and the second vacuum pump rear and front end
And outer negative pressure port, the outer positive pressure port of the two of each vacuum pump and outer negative pressure port are connected by connecting tube, described first
The corresponding outer positive pressure port in the inside of vacuum pump front end pump cover and the inside of the second vacuum pump rear end pump cover and outer negative pressure port
Position be provided with interior positive pressure port and interior negative pressure port, it is logical at the interior negative pressure port of the first vacuum pump and the second vacuum pump
It crosses connecting tube and is connected with solenoid valve, the both ends of the three-limb tube are connect with solenoid valve respectively, and the other end forms negative pressure output
Mouthful.
2. a kind of double-linked combination vacuum pump for negative pressure suction device according to claim 1, it is characterised in that: also wrap
Muffler is included, noise reduction is connected with by a three-limb tube at the interior positive pressure port of first vacuum pump and the second vacuum pump
Device.
3. a kind of double-linked combination vacuum pump for negative pressure suction device according to claim 1, it is characterised in that: also wrap
Resilient cushion is included, resilient cushion is installed at the bottom four corners of the pump bottom plate.
4. a kind of double-linked combination vacuum pump for negative pressure suction device according to claim 1, it is characterised in that: described
The first vacuum pump and the second vacuum pump be made of body in motor, pump case, pump and pump cover, electricity is installed at the top of pump case
Machine is sequentially installed with body and pump cover in pump from the inside to the outside on the rear and front end of pump case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820799519.4U CN209092295U (en) | 2018-05-28 | 2018-05-28 | A kind of double-linked combination vacuum pump for negative pressure suction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820799519.4U CN209092295U (en) | 2018-05-28 | 2018-05-28 | A kind of double-linked combination vacuum pump for negative pressure suction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209092295U true CN209092295U (en) | 2019-07-12 |
Family
ID=67148848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820799519.4U Active CN209092295U (en) | 2018-05-28 | 2018-05-28 | A kind of double-linked combination vacuum pump for negative pressure suction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209092295U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111569164A (en) * | 2020-05-26 | 2020-08-25 | 鑫隆电子（苏州）有限公司 | Duplex combined vacuum pump for negative pressure suction device |
| CN111658858A (en) * | 2020-07-22 | 2020-09-15 | 常州市第一人民医院 | Multifunctional portable sputum aspirator |
-
2018
- 2018-05-28 CN CN201820799519.4U patent/CN209092295U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111569164A (en) * | 2020-05-26 | 2020-08-25 | 鑫隆电子（苏州）有限公司 | Duplex combined vacuum pump for negative pressure suction device |
| CN111658858A (en) * | 2020-07-22 | 2020-09-15 | 常州市第一人民医院 | Multifunctional portable sputum aspirator |
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