CN203936082U - Multifunctional negative-pressure generating means - Google Patents
Multifunctional negative-pressure generating means Download PDFInfo
- Publication number
- CN203936082U CN203936082U CN201420261676.1U CN201420261676U CN203936082U CN 203936082 U CN203936082 U CN 203936082U CN 201420261676 U CN201420261676 U CN 201420261676U CN 203936082 U CN203936082 U CN 203936082U
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- generating means
- pressure generating
- multifunctional negative
- negative
- upper shell
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Abstract
The utility model has been announced a kind of multifunctional negative-pressure generating means, it is characterized in that, comprise the closure casing of hollow, be provided with the heater evaporating that makes to be arranged on enclosure interior in described housing, described housing is provided with the perforate that communicates with the external world and for opening and closing the valve of described perforate.Multifunctional negative-pressure generating means of the present utility model can rely on and self produce negative pressure, and simple in structure, and function is more.
Description
Technical field
The utility model relates to a kind of depression generator, relates in particular to a kind of depression generator serving many purposes.
Background technology
Application number is that 201010171111.0 Chinese patent discloses negative pressure generator, comprise negative tube, bent sub, base plate and water box, negative tube is provided with water inlet and delivery port, between water inlet and delivery port, be provided with nozzle, nozzle amplifier section has negative pressure mouth, and bent sub is arranged on base plate and forms the mouth of a river, and the delivery port of water inlet pipe is connected with the water inlet of bent sub, on described water box, be provided with spill and contain space, described in described delivery port lower limb is positioned at, contain under the top edge in space.This depression generator can not rely on and self form negative pressure, and function singleness.Application number is that 200810155171.6 Chinese patent has related to a kind of dual-purpose vacuum suction apparatus, comprise base plate (1), support (2), negative pressure generator (3) and fluid reservoir (4), the housing (301) that it is characterized in that described negative pressure generator (3) is movably arranged on support (2) by the hinge (5) of support (2) upper end, be hinged with connecting rod (6) in the bottom of support (2), the upper end of connecting rod (6) is provided with pedal (7) and is hinged with pull bar (8), one end of the piston rod (306) of one end of pull bar (8) and negative pressure generator (3) is movably connected, L shaped pull bar (308) is also installed on piston rod (306), the horizontal segment of L shaped pull bar (308) be inserted in the gathering sill (311) on housing (301) and with the upper end of application of force handle (309) under connect, the cantilever end of the lower end of application of force handle (309) and fixed handle (303) is hinged, the other end of fixed handle (303) and housing (301) are fixedly linked.This invention is to rely on negative pressure generator and piston to produce suction, complex structure.
Summary of the invention
The utility model is mainly to provide a kind of depression generator, and its depression generator can rely on and self produce negative pressure, and simple in structure, and function is more.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of depression generator, it is characterized in that, comprise the closure casing of hollow, in described housing, be provided with the heater evaporating that makes to be arranged on housing bottom, described housing is provided with the perforate that communicates with the external world and for opening and closing the valve of described perforate.The utility model adds liquid in housing, heats by heater, makes the liquid evaporation in a kind of depression generator housing, after vaporizing liquid, from housing is discharged in perforate, then closes heater and valve cooling housing, has just formed negative pressure in housing.The utility model can form very large negative pressure, therefore adopt the device of the present utility model can be by absorbing liquid, cleaning pipeline or container, as patient's sputum etc., be particularly suitable for clearing up residual liquid in tank body.
As preferably, described housing is provided with conduit, and described conduit communicates with described perforate, and described valve is arranged on described conduit.
As preferably, on described conduit, be socketed with soft suction pipe, the mouth of pipe of described soft suction pipe is enlarging shape.In order to clear up more up hill and dale liquid, the mouth of pipe of soft suction pipe is arranged to enlarging shape structure, thereby the mouth of pipe that makes soft suction pipe more can be near at the bottom of tank.
As preferably, described liquid is water.
As preferably, described depression generator is steam generating device.In the process of formation negative pressure, the utility model can be discharged a large amount of steams, uses therefore the utility model also can be used as steam generating device.
As preferably, described depression generator is atmospheric experiment teaching aid, and described housing is fastened and formed by upper shell and lower house, and described upper shell surface and lower shell surface are equipped with draw ring.
As preferably, described upper shell and lower house are hemispherical.
For better seal casinghousing, as preferably, between described upper shell and lower house, be provided with seal.
A negative pressure production method of applying said apparatus, is characterized in that, comprises the following steps: 1, filling liquid in the housing of past depression generator; 2, ensure valve opening, and start described heater heating liquid a period of time, make heated liquid evaporation; 3, close described heater and valve, make the cooling formation negative pressure of steam of enclosure interior.
The beneficial effect that the utility model brings is, multifunctional negative-pressure generating means of the present utility model can rely on and self produce negative pressure, and simple in structure, and function is more.
Brief description of the drawings
Accompanying drawing 1 is a kind of structural representation of embodiment 1 of the present utility model;
Accompanying drawing 2 is a kind of structural representations of embodiment 2 of the present utility model;
Accompanying drawing 3 is a kind of structural representations of embodiment 3 of the present utility model.
Label declaration: 1-1, upper shell; 1-2, lower house; 2, heater; 3, conduit; 4, valve; 5, soft suction pipe; 6, enlarging shape; 7, draw ring; 8, sealing ring; 9, water jacket; 10, Pressure gauge.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: the multifunctional negative-pressure generating means of the present embodiment as shown in Figure 1, comprise the closure casing of hollow, heater 2 for heating water is installed in housing, on housing, be shaped with a perforate communicating with the external world, this perforate is connected with conduit 3, and the valve 4 for opening and closing perforate is installed on conduit 3.
The negative pressure formation method of this enforcement, comprises the following steps:
1, open valve 4, toward the interior injected water of housing of depression generator;
2, keep valve 4 to open, housing inner chamber is communicated with the external world, and start heater 2, heating water a period of time is until water evaporation is clean;
3, close heater 2 and valve 4, by air cooling or water-cooled, make the air of enclosure interior be cooled to normal temperature, thereby form negative pressure in enclosure interior.
Embodiment 2: as a kind of steam generator as shown in Figure 2, upper shell 1-1 is U-shaped housing to multifunctional negative-pressure generating means, and upper shell 1-1 is that transparent material is made, and conduit 3, draw ring 7 and Pressure gauge 10 are installed on upper shell 1-1, and conduit 3 is provided with valve 4; Lower house 1-2 is tubular shell, lower house 1-2 is that transparent material is made, and lower house 1-2 inner bottom is provided with heater 2, and the outer surface of lower house 1-2 is provided with water jacket, the lower surface of lower house 1-2 is provided with draw ring 7, and upper shell 1-1 is connected by sealing ring 8 sealings with lower house 1-2.
Embodiment 3: the multifunctional negative-pressure generating means of the present embodiment as shown in Figure 3, upper shell 1-1 is hemispherical shell, and upper shell 1-1 is that transparent material is made, and conduit 3 and draw ring 7 are installed on upper shell 1-1, conduit 3 is provided with valve 4, and conduit 3 is socketed with the soft suction pipe 5 that the mouth of pipe is enlarging shape 6; Lower house 1-2 is hemispherical shell, and lower house 1-2 is that transparent material is made, and lower house 1-2 is provided with heater 2 and draw ring 7, and upper shell 1-1 and lower house 1-2 are for being threaded.
Below be only described with regard to the utility model preferred embodiment, but can not be interpreted as it is the restriction to the utility model protection domain.The utility model is not only confined to above embodiment, and its concrete structure or shape allow to change.In a word, protection domain of the present utility model should comprise the apparent conversion of those corresponding those of ordinary skill in the art or substitute and remodeling.
Claims (8)
1. a multifunctional negative-pressure generating means, it is characterized in that, comprise the closure casing of hollow, be provided with the heater evaporating that makes to be arranged on enclosure interior in described housing, described housing is provided with the perforate that communicates with the external world and for opening and closing the valve of described perforate.
2. multifunctional negative-pressure generating means according to claim 1, is characterized in that, described housing is provided with conduit, and described conduit communicates with described perforate, and described valve is arranged on described conduit.
3. multifunctional negative-pressure generating means according to claim 2, is characterized in that, is socketed with soft suction pipe on described conduit, and the mouth of pipe of described soft suction pipe is enlarging shape.
4. multifunctional negative-pressure generating means according to claim 1, is characterized in that, described liquid is water.
5. multifunctional negative-pressure generating means according to claim 4, is characterized in that, described multifunctional negative-pressure generating means is steam generating device.
6. multifunctional negative-pressure generating means according to claim 1, is characterized in that, described multifunctional negative-pressure generating means is atmospheric experiment teaching aid, and described housing is fastened and formed by upper shell and lower house, and described upper shell surface and lower shell surface are equipped with draw ring.
7. multifunctional negative-pressure generating means according to claim 6, is characterized in that, described upper shell and lower house are hemispherical.
8. according to the multifunctional negative-pressure generating means described in claim 6 or 7, it is characterized in that, between described upper shell and lower house, be provided with seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420261676.1U CN203936082U (en) | 2014-05-22 | 2014-05-22 | Multifunctional negative-pressure generating means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420261676.1U CN203936082U (en) | 2014-05-22 | 2014-05-22 | Multifunctional negative-pressure generating means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203936082U true CN203936082U (en) | 2014-11-12 |
Family
ID=51855431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420261676.1U Expired - Fee Related CN203936082U (en) | 2014-05-22 | 2014-05-22 | Multifunctional negative-pressure generating means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203936082U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104690043A (en) * | 2014-05-22 | 2015-06-10 | 宁波职业技术学院 | Negative pressure generation method and negative pressure generation device |
| CN108580834A (en) * | 2018-07-05 | 2018-09-28 | 宁波北仑益鸣企业管理服务有限公司 | Die casting vacuum extractor and the corresponding technique for vacuumizing operation |
-
2014
- 2014-05-22 CN CN201420261676.1U patent/CN203936082U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104690043A (en) * | 2014-05-22 | 2015-06-10 | 宁波职业技术学院 | Negative pressure generation method and negative pressure generation device |
| CN108580834A (en) * | 2018-07-05 | 2018-09-28 | 宁波北仑益鸣企业管理服务有限公司 | Die casting vacuum extractor and the corresponding technique for vacuumizing operation |
| CN108580834B (en) * | 2018-07-05 | 2020-12-15 | 宁波北仑益鸣企业管理服务有限公司 | Die-casting die vacuumizing device and corresponding vacuumizing operation process |
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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: 20141112 Termination date: 20170522 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |