CN104481888A - Self-priming water pump - Google Patents
Self-priming water pump Download PDFInfo
- Publication number
- CN104481888A CN104481888A CN201410708803.2A CN201410708803A CN104481888A CN 104481888 A CN104481888 A CN 104481888A CN 201410708803 A CN201410708803 A CN 201410708803A CN 104481888 A CN104481888 A CN 104481888A
- Authority
- CN
- China
- Prior art keywords
- water pump
- self
- pump body
- motor
- jet vacuum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D9/00—Priming; Preventing vapour lock
- F04D9/04—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock
- F04D9/06—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock of jet type
- F04D9/065—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock of jet type the driving fluid being a gas or vapour, e.g. exhaust of a combustion engine
Abstract
The invention relates to a self-priming water pump. The self-priming water pump comprises a water pump body, an engine used for driving the water pump body, and a jet vacuum pump used for discharging air from the inside of the water pump body, the jet vacuum pump comprises a gas inlet, an exhaust hole and a vacuum pumping hole, the engine has a tail gas outlet, the water pump body is provided with a water inlet and a water outlet, the gas inlet of the jet vacuum pump is communicated with the tail gas outlet, tail gas discharged from the engine enters the jet vacuum pump from the gas inlet and is discharged from the exhaust hole, and the vacuum pumping hole is communicated with the water inlet of the water pump body to discharge the air from the inside of the water pump body.
Description
Technical field
the present invention relates to a kind of self-priming water pump.
Background technique
water pump of the prior art utilizes vacuum pump to vacuumize the gas of discharging in water pump to make water pump self-suction thus gets water, and this self-priming water pump needs the vacuum pump that installation one is complete in addition, and cost is high; A kind of water pump is also had to be that after needing manual priming, water pump just can get water in the prior art, like this, waste of manpower.
Summary of the invention
technical problem to be solved by this invention overcomes the deficiencies in the prior art, and provide a kind of tail gas produced during engine running that utilizes to vacuumize, water pump self-suction is fetched water, and relative cost is low, utilizes the tail gas energy simultaneously.
for solving above technical problem, the present invention takes following technological scheme:
a kind of self-priming water pump, it comprises: water pump body, for driving the motor of described water pump body, for discharging the jet vacuum pump of air in water pump body, described jet vacuum pump comprises a suction port, one relief opening, one vacuum orifice, described motor has an offgas outlet, described water pump body is provided with a water intake, one water outlet, the suction port of described jet vacuum pump is connected with described offgas outlet, the tail gas that motor is discharged enters from described suction port, discharge from relief opening, described vacuum orifice is connected with the water intake of described water pump body, so that the air in described water pump body is discharged.
preferably, be provided with an one-way valve between described vacuum orifice and described water intake, described one-way valve is for preventing gas backstreaming in jet vacuum pump in water pump body.
preferably, between the offgas outlet place and described jet vacuum pump of described motor, be provided with an outlet pipe, described outlet pipe be provided with a drain tap.
preferably, a baffler is provided with between the relief opening of described jet vacuum pump and the offgas outlet of described motor.
preferably, described self-priming water pump also comprises one for installing the fitting seat of water pump body.
due to the employing of above technological scheme, the present invention compared with prior art tool has the following advantages: utilize the tail gas of motor to vacuumize, and water pump self-suction is fetched water, and relative cost is low, utilizes the tail gas energy simultaneously.Between vacuum orifice and water intake, be provided with an one-way valve, gas backstreaming in jet vacuum pump can be prevented in water pump body.An outlet pipe is provided with between the offgas outlet place and jet vacuum pump of motor, outlet pipe is provided with a drain tap, when opening valve, outlet pipe is connected with exhaust gas channel, the tail gas that motor produces is discharged from outlet pipe, when described valve closing, the tail gas that motor produces is discharged through jetting stream vacuum device.
Accompanying drawing explanation
fig. 1 is the structural representation of self-priming water pump of the present invention,
1: water pump body; 11: water intake; 12: water outlet; 2: jet vacuum pump; 21: one-way valve; 22: flexible pipe; 23: vacuum orifice; 24: suction port; 25: relief opening; 3: motor; 31: offgas outlet; 32: outlet pipe; 33: valve 4: baffler; 5: fitting seat.
Embodiment
below in conjunction with specific embodiment, the present invention is described in further details.Should be understood that these embodiments are for illustration of basic principle of the present invention, major character and advantage, and the present invention does not limit by the scope of following examples.The implementation condition adopted in embodiment can do further adjustment according to specific requirement, and not marked implementation condition is generally the condition in normal experiment.
a kind of self-priming water pump as shown in Figure 1, it comprises: water pump body 1, for driving the motor 3 of described water pump body 1, for discharging the jet vacuum pump 2 of air in water pump body 1, described jet vacuum pump 2 comprises suction port 24, relief opening 25, vacuum orifice 23, injection channel is provided with in described jet vacuum pump, connection suction port 24 and the relief opening 25 of described injection channel, water pump body 1 is provided with water intake 11, water outlet 12.
the offgas outlet 31 of motor 2 is connected with the suction port 24 of jet vacuum pump 2, the tail gas that motor 2 is discharged enters from suction port 24, discharge from relief opening 25 after jet vacuum pump 2, after the injection channel that in jet vacuum pump 2, tail gas enters jet vacuum pump 2 is compressed, form jet, flowing is entrainmented in generation, under Involving velocity, vacuum orifice 23 ambient air is constantly sucked away discharge from relief opening 25, thus make Pressure Drop in water pump body 1 to barometric pressure, from water intake 11 pump up water of water pump body 1.Be provided with an one-way valve 21 between vacuum orifice 23 and water intake 11, one-way valve 21 is for preventing gas backstreaming in jet vacuum pump 2 in water pump body 1.Described vacuum orifice 23 is connected by a flexible pipe 22 with between one-way valve 21.An outlet pipe 32 is provided with between offgas outlet 31 place of motor 3 and jet vacuum pump 2, outlet pipe 32 is provided with a drain tap 33, when opening valve 33, outlet pipe 32 is connected with offgas outlet 31, the tail gas that motor 3 produces is discharged from outlet pipe 32, when valve 33 is closed, the tail gas that motor 3 produces is discharged through jetting stream vacuum device 2.The exhaust sound baffler 4 of a reduction motor 3 is provided with between the relief opening 25 of jet vacuum pump 2 and the offgas outlet 31 of motor 3.Self-priming water pump also comprises one for installing the fitting seat 5 of water pump body 1.
above to invention has been detailed description; the explanation of embodiment just understands method of the present invention and core concept thereof for helping; its object is to allow the personage being familiar with this art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (5)
1. a self-priming water pump, it comprises: water pump body, for driving the motor of described water pump body, for discharging the jet vacuum pump of air in water pump body,
Described jet vacuum pump comprises a suction port, a relief opening, a vacuum orifice,
Described motor has an offgas outlet,
Described water pump body is provided with a water intake, a water outlet,
It is characterized in that: the suction port of described jet vacuum pump is connected with described offgas outlet, the tail gas that motor is discharged enters jet vacuum pump from described suction port, discharge from relief opening, vacuum orifice described in described vacuum orifice is connected with the water intake of described water pump body, to be discharged by the air in described water pump body.
2. a kind of self-priming water pump according to claim 1, is characterized in that: be provided with an one-way valve between described vacuum orifice and described water intake, and described one-way valve is for preventing gas backstreaming in jet vacuum pump in water pump body.
3. a kind of self-priming water pump according to claim 1, it is characterized in that: between the offgas outlet place and described jet vacuum pump of described motor, be provided with an outlet pipe, described outlet pipe is provided with a drain tap, when opening valve, outlet pipe is connected with offgas outlet, the tail gas that motor produces is discharged from outlet pipe, and when described valve closing, the tail gas that motor produces is discharged through jetting stream vacuum device.
4. according to a kind of self-priming water pump according to claim 1, it is characterized in that: the exhaust sound baffler being provided with a reduction motor between the relief opening of described jet vacuum pump and the offgas outlet of described motor.
5. a kind of self-priming water pump according to claim 1, is characterized in that: described self-priming water pump also comprises one for installing the fitting seat of water pump body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410708803.2A CN104481888A (en) | 2014-11-28 | 2014-11-28 | Self-priming water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410708803.2A CN104481888A (en) | 2014-11-28 | 2014-11-28 | Self-priming water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104481888A true CN104481888A (en) | 2015-04-01 |
Family
ID=52756470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410708803.2A Pending CN104481888A (en) | 2014-11-28 | 2014-11-28 | Self-priming water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104481888A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276243A (en) * | 2015-11-20 | 2016-01-27 | 许建林 | One-way valve and full-automatic self-suction water pump |
| CN106337817A (en) * | 2016-08-31 | 2017-01-18 | 君禾泵业股份有限公司 | Self-priming water jet pump |
-
2014
- 2014-11-28 CN CN201410708803.2A patent/CN104481888A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276243A (en) * | 2015-11-20 | 2016-01-27 | 许建林 | One-way valve and full-automatic self-suction water pump |
| CN105276243B (en) * | 2015-11-20 | 2019-11-08 | 许建林 | A kind of check valve and full-automatic self-priming water pump |
| CN106337817A (en) * | 2016-08-31 | 2017-01-18 | 君禾泵业股份有限公司 | Self-priming water jet pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: XU JIANLIN Free format text: FORMER OWNER: SUZHOU TUOFA MACHINERY CO., LTD. Effective date: 20150520 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20150520 Address after: 215128 Jiangsu city of Suzhou province Wuzhong District Dongyuan village 14-503 Applicant after: Xu Jianlin Address before: Mudu Wuzhong District Jin Feng Road Suzhou city Jiangsu province 215001 No. 1330 Applicant before: SUZHOU TUOFA MACHINERY CO., LTD. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150401 |
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| RJ01 | Rejection of invention patent application after publication |