CN205315292U - Lightweight is jet from inhaling device for pump - Google Patents
Lightweight is jet from inhaling device for pump Download PDFInfo
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- CN205315292U CN205315292U CN201521103890.5U CN201521103890U CN205315292U CN 205315292 U CN205315292 U CN 205315292U CN 201521103890 U CN201521103890 U CN 201521103890U CN 205315292 U CN205315292 U CN 205315292U
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- pump
- electromagnetic valve
- jet
- priming apparatus
- lightweight
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Abstract
The utility model discloses a lightweight is jet from inhaling device for pump, locate the pump body on, including first solenoid valve, sprayer, second solenoid valve and check valve, first solenoid valve one end expert has compressed air, and the other end links to each other with sprayer one end, and the sprayer other end links to each other with the second solenoid valve, and the second solenoid valve other end is linked together with check valve one end through total pump -line, the check valve be the tee bend structure, the suction casing of pump body department opens has first induction port, and the peak position machine department of sealing of the pump body opens there is the second induction port, and first induction port and second induction port are linked together through other both ends of first pump -line and second pump -line and check valve respectively. The utility model discloses an automatic control system controls wholely from the process of inhaling, the switch of system automatically regulated solenoid valve and the switch of this motor, the realization automatic completely of whole process, simple operation.
Description
Technical field
This utility model relates to pump vacuum suction device, more particularly, it relates to a kind of jet-propelled self-priming apparatus of pump lightweight.
Background technology
Self-priming apparatus is one of auxiliary device conventional on water pump, and its effect is before starting mode of pump, makes to be full of in water pump medium by means such as vacuum suctions, thus just can directly initiate water pump group.
Common self-priming apparatus mainly has vacuum pump and the jet-propelled self-priming apparatus of floating-ball type, vacuum pump volume is big, Heavy Weight, and noise is big, need individually to configure the shortcomings such as power supply, common floating-ball type jet-propelled self-priming apparatus then structure bulky, and controlled by float switch, automatic controlling level is low.
Utility model content
For the disadvantages mentioned above existed in prior art, the purpose of this utility model is to provide a kind of jet-propelled self-priming apparatus of pump lightweight, is made water pump small volume and less weight more by this utility model, is easily installed, and self-priming crosses process automation.
For achieving the above object, this utility model adopts the following technical scheme that
A kind of jet-propelled self-priming apparatus of pump lightweight, it is located on the pump housing, including the first electromagnetic valve, ejector, second electromagnetic valve and check-valves, first electromagnetic valve one end is connected with compression air, the other end is connected with ejector one end, the ejector other end and the second electromagnetic valve are connected, the second electromagnetic valve other end is connected with check-valves one end by total pump-line, described check-valves is three-port structure, the suction casing place of the described pump housing has the first air entry, the peak position machine sealing position of the pump housing has the second air entry, first air entry and the second air entry are connected with the two other end of check-valves respectively through the first pump-line and the second pump-line.
Described self-priming apparatus also includes stop valve, is located on total pump-line.
Described ejector includes joint, nozzle, anemostat, exhaust tube, transit joint and exhaustor, upper end of joint and the first electromagnetic valve are connected, lower end is connected with upper end of nozzle, nozzle lower end is connected with anemostat upper end, junction is additionally provided with the first plug screw, and anemostat lower end is connected with exhaustor upper end by transit joint, and exhaust tube one end is connected at the side of the first plug screw, the other end and the second electromagnetic valve are connected, and the internal diameter of nozzle is less than the minimum diameter of anemostat.
Described ejector also includes the second plug screw, is connected at the opposite side of the first plug screw.
The section of the pressure place that goes out of the described pump housing also has pressure tap, and described self-priming apparatus also includes pressure switch, and pressure switch is connected in pressure tap.
In technique scheme, this utility model controls the self-priming process of whole water pump by automatic control system, the switch of system automatic regulating electromagnetic valve and the switch of this motor, the fully automated realization of whole process, simple operation.
Accompanying drawing explanation
Fig. 1 is the integrally-built schematic diagram of this utility model;
Fig. 2 is the schematic diagram of this utility model emitter construction;
Fig. 3 is the circuit diagram of this utility model automatic control system.
Detailed description of the invention
The technical solution of the utility model is further illustrated below in conjunction with drawings and Examples.
Shown in Fig. 1, a kind of jet-propelled self-priming apparatus of pump lightweight of the present utility model, same as the prior art, equally also it is located on the pump housing, just repeats no more at this. unlike the prior art, this utility model includes the first electromagnetic valve 1, ejector 2, second electromagnetic valve 3 and check-valves 5, first electromagnetic valve 1 one end is connected with compression air, the other end is connected with ejector 2 one end, ejector 2 other end and the second electromagnetic valve 3 are connected, second electromagnetic valve 3 other end is connected with check-valves 5 one end by total pump-line 21, described check-valves 5 is three-port structure, suction casing 12 place of the described pump housing has the first air entry 11, the peak position machine of the pump housing seals 9 places and has the second air entry 8, first air entry 11 is connected with the two other end of check-valves 5 with the second pump-line 801 respectively through the first pump-line 1101 with the second air entry 8, self-priming apparatus also includes stop valve 4, it is located on total pump-line 21, the section of pressure 10 place that goes out of the described pump housing also has pressure tap 7, described self-priming apparatus also includes pressure switch 6, pressure switch 6 is connected in pressure tap 7.
Shown in Fig. 2, described ejector 2 includes joint 13, nozzle 17, anemostat 15, exhaust tube 19, transit joint 20 and exhaustor 16, joint 13 upper end is connected with the first electromagnetic valve 1, lower end is connected with nozzle 17 upper end, nozzle 17 lower end is connected with anemostat 15 upper end, junction is additionally provided with the first plug screw 18, anemostat 15 lower end is connected with exhaustor 16 upper end by transit joint 20, exhaust tube 19 one end is connected at the side of the first plug screw 18, the other end and the second electromagnetic valve 3 are connected, the internal diameter of nozzle 17 is less than the minimum diameter of anemostat 15, ejector 2 also includes the second plug screw 14, it is connected at the opposite side of the first plug screw 18.
A kind of jet-propelled self-priming control method of pump lightweight is, before starting pump group, first electromagnetic valve 1 accesses the compression air of 5～7bar, compressed air require is about 120L/min, after starting pump group, first electromagnetic valve 1 and the second electromagnetic valve 3 automatically open up, now compression air enters ejector 2, and discharge below ejector 2, compression air produces negative pressure under the effect of ejector 2, thus the gas in pump is extracted out, and discharge from exhaustor 16 together with compression air, the first bleeding point 11 that suction casing 12 at pump is arranged over, for the gas in pump inlet pipeline is extracted out, seal, at the machine of pump, the second bleeding point 8 that 9 places are provided with simultaneously, for the gas in pump and in outlet pipe is extracted out, when ejector 2 is by first, second bleeding point 11, 8 by after gas extraction, pressure initiation negative pressure in pump, under atmospheric pressure, current will be full of in pump and inlet and outlet pipe automatically, now get final product clean boot pump group, realize the self-suction function of pump, in automatic self-priming apparatus, stop valve 4 is in maintenance, use during dismounting ejector 2, it is opening during normal use, check-valves 5 has tee-joint function simultaneously, its effect is to prevent compression air from entering in pump, the pressure tap 7 being provided with in the section of pressure 10 is gone out at pump 24, installed above have pressure switch 6, for detecting delivery side of pump pressure, show that when pump discharge pressure reaches setting value pump has completed properly functioning, now the first electromagnetic valve 1 under the effect of pressure switch, second electromagnetic valve 3 will turn off, terminate a self-priming process.
Shown in Fig. 3, automatic control system of the present utility model is made up of main switch A3, electromagnetic valve switch A2, pump group switch A3, pressure switch PS (i.e. pressure switch 6 in Fig. 1), time-delay relay T1, time-delay relay T2, pump group P1, electromagnetic valve EV1 (i.e. the first electromagnetic valve 1 in Fig. 1), electromagnetic valve EV2 (i.e. the second electromagnetic valve 3 in Fig. 1). First close a switch during startup A3, now electromagnetic valve EV1, EV2 loop works, and two electromagnetic valves are opened, and ejector starts work of bleeding, and self-priming process starts; Meanwhile time-delay relay T1 starts working, and after time delay in about 1 minute, switch A1 closes automatically, the now electric motor starting of pump group P1, and pump starts startup optimization; After pump operation, pump discharge pressure will raise, after pressure switch PS detects that pressure reaches setting value, time-delay relay T2 starts working, after time delay in about 30 seconds, switch A2 will automatically turn on, electromagnetic valve EV1, EV2 close, and self-priming pumping process terminates, and now switch A1 is kept closed, pump group enters properly functioning, and whole self-priming process completes.
Those of ordinary skill in the art will be appreciated that, above embodiments is intended merely to explanation this utility model, and it is not used as to restriction of the present utility model, as long as in spirit of the present utility model, the change of embodiment described above, modification all will be dropped in Claims scope of the present utility model.
Claims (5)
1. the jet-propelled self-priming apparatus of pump lightweight, it is located on the pump housing, it is characterized in that: include the first electromagnetic valve, ejector, second electromagnetic valve and check-valves, first electromagnetic valve one end is connected with compression air, the other end is connected with ejector one end, the ejector other end and the second electromagnetic valve are connected, the second electromagnetic valve other end is connected with check-valves one end by total pump-line, described check-valves is three-port structure, the suction casing place of the described pump housing has the first air entry, the peak position machine sealing position of the pump housing has the second air entry, first air entry and the second air entry are connected with the two other end of check-valves respectively through the first pump-line and the second pump-line.
2. the jet-propelled self-priming apparatus of pump lightweight as claimed in claim 1, it is characterised in that described self-priming apparatus also includes stop valve, is located on total pump-line.
3. the jet-propelled self-priming apparatus of pump lightweight as claimed in claim 1, it is characterized in that, described ejector includes joint, nozzle, anemostat, exhaust tube, transit joint and exhaustor, upper end of joint and the first electromagnetic valve are connected, lower end is connected with upper end of nozzle, nozzle lower end is connected with anemostat upper end, junction is additionally provided with the first plug screw, anemostat lower end is connected with exhaustor upper end by transit joint, exhaust tube one end is connected at the side of the first plug screw, the other end and the second electromagnetic valve are connected, and the internal diameter of nozzle is less than the minimum diameter of anemostat.
4. the jet-propelled self-priming apparatus of pump lightweight as claimed in claim 2, it is characterised in that described ejector also includes the second plug screw, is connected at the opposite side of the first plug screw.
5. the jet-propelled self-priming apparatus of pump lightweight as claimed in claim 1, it is characterised in that the section of the pressure place that goes out of the described pump housing also has pressure tap, and described self-priming apparatus also includes pressure switch, and pressure switch is connected in pressure tap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521103890.5U CN205315292U (en) | 2015-12-25 | 2015-12-25 | Lightweight is jet from inhaling device for pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521103890.5U CN205315292U (en) | 2015-12-25 | 2015-12-25 | Lightweight is jet from inhaling device for pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205315292U true CN205315292U (en) | 2016-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521103890.5U Active CN205315292U (en) | 2015-12-25 | 2015-12-25 | Lightweight is jet from inhaling device for pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN205315292U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481566A (en) * | 2016-11-30 | 2017-03-08 | 江苏振华泵业股份有限公司 | Autocontrol Marine Self-priming Centrifugal Pump |
| CN106917754A (en) * | 2015-12-25 | 2017-07-04 | 上海凯士比泵有限公司 | A kind of pump jet-propelled self-priming apparatus of lightweight and its control method |
-
2015
- 2015-12-25 CN CN201521103890.5U patent/CN205315292U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917754A (en) * | 2015-12-25 | 2017-07-04 | 上海凯士比泵有限公司 | A kind of pump jet-propelled self-priming apparatus of lightweight and its control method |
| CN106481566A (en) * | 2016-11-30 | 2017-03-08 | 江苏振华泵业股份有限公司 | Autocontrol Marine Self-priming Centrifugal Pump |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |