CN206816534U - A kind of full-automatic self-priming pump - Google Patents

A kind of full-automatic self-priming pump Download PDF

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Publication number
CN206816534U
CN206816534U CN201720748781.1U CN201720748781U CN206816534U CN 206816534 U CN206816534 U CN 206816534U CN 201720748781 U CN201720748781 U CN 201720748781U CN 206816534 U CN206816534 U CN 206816534U
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pump
chamber
water
full
priming pump
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CN201720748781.1U
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林发明
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DAFU PUMP INDUSTRY Co Ltd
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DAFU PUMP INDUSTRY Co Ltd
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Abstract

The utility model discloses a kind of full-automatic self-priming pump, including the pump housing, the water inlet flow channel sequentially connected, blade wheel chamber and gas-liquid separation chamber are provided with the pump housing, the pressure detecting chamber connected with the gas-liquid separation chamber and pressure buffer chamber are provided with the pump housing, hydraulic pressure sensor is wherein provided with pressure detecting chamber, hydraulic pressure sensor controls the start stop operation of water pump by the hydraulic signal real-time delivery feedwater pump controller of detection and by controller;The compensator that installation one communicates therewith in the pressure buffer chamber.The utility model effectively buffers pressure change in water route by designing balance jar structure, can avoid the frequent start-stop of self priming pump, have it is compact-sized rationally, the characteristics of electric cost is low, and can effectively reduce self priming pump uses noise, increases the service life.

Description

A kind of full-automatic self-priming pump
Technical field
Originally it is practical to be related to a kind of water pump, specially a kind of full-automatic self-priming pump.
Background technology
The pump body structure of traditional self priming pump is as shown in figure 1, whole runner includes water inlet flow channel 1 ', the blade wheel chamber sequentially designed 2 ' and gas-liquid separation chamber 3 ', at work, liquid sucks from water inlet flow channel 1 ', realizes pressure boost through blade wheel chamber 2 ', then arrives Gas-liquid separation is carried out up to gas-liquid separation chamber 3 ', last excavationg pump body forms highly pressurised liquid.
In above structure, liquid from discharge overall process is drawn into all without any supporting control structure, at most also It is in the middle start stop operation for setting a pressure control switch, and controlling with this self priming pump of gas-liquid separation chamber 3 '.Through making for many years With discovery, the self priming pump of above structure setting can not play caching hydraulic pressure, pressure regulation and anti-effect returning water function, and this will give reality Using bringing very big inconvenience.In use, once self-priming pump startup will be made because pressure reduces by opening depotition cock, once close Self priming pump will be closed because of pressure rise by closing depotition cock, and its result causes the start and stop of self priming pump very frequent, not only can Place circuit is impacted, and the service life of self priming pump can be had a strong impact on, and can not be met intelligent and energy-conserving and environment-protective Use needs.
Utility model content
In view of the above-mentioned problems, the utility model devises a kind of full-automatic self-priming pump, its by design balance jar structure come Pressure change effectively in buffering water route, can avoid the frequent start-stop of self priming pump, have it is compact-sized rationally, electric cost it is low Feature, and the use noise of self priming pump can be effectively reduced, increase the service life.
To achieve the above object, the utility model uses following technical scheme:
A kind of full-automatic self-priming pump, including the pump housing, the water inlet flow channel sequentially connected, blade wheel chamber and gas-liquid are provided with the pump housing Disengagement chamber, it is characterised in that:The pressure detecting chamber connected with the gas-liquid separation chamber and pressure buffer chamber are provided with the pump housing, Wherein it is provided with hydraulic pressure sensor in pressure detecting chamber, hydraulic pressure sensor feeds water the hydraulic signal real-time delivery of detection pump controller And the start stop operation of water pump is controlled by controller;The compensator that installation one communicates therewith in the pressure buffer chamber.
Further, the above-mentioned pump housing forms a cut water at the delivery port position of blade wheel chamber, and the top of cut water is provided with chamfering.
Further, above-mentioned water inlet flow channel is connected and composed by preceding runner and rear runner, and the joining place of front and rear runner is provided with list To check-valves.
Further, above-mentioned one way stop peturn valve is made up of movable valve plug and back-moving spring, and the back-moving spring is sleeved on work Outside movable valve plug, back-moving spring both ends hold the back head in the pump housing and movable valve plug respectively, and movable valve plug head is resetting bullet Sealing is held on the pipeline connecting platform of front and rear runner joining place in the presence of spring reset force.
Further, the above-mentioned pump housing is provided with water flow switch at one way stop peturn valve position, and the signal of water flow switch passes in real time Pass water pump controller and the start stop operation for controlling water pump.
Further, above-mentioned pipeline connecting platform is provided with the O-ring seal being connected with movable valve plug head seal.
Further, above-mentioned gas-liquid separation top of chamber is provided with water injection hole.
The utility model detects the hydraulic signal in the pump housing in real time by the hydraulic pressure sensor set in pressure detecting chamber, And start water pump when minimal pressure force value of the hydraulic signal less than setting, closed when maximal pressure force value of the hydraulic signal higher than setting Water pump is closed, to realize that the automatic start-stop to water pump operates.
The pressure buffer chamber and compensator of arrangement above can effectively extend the moisture storage capacity in water pump, can without starting water pump Meeting the needs of user uses water on a small quantity, it can effectively slow down the variation in water pressure in gas-liquid separation chamber, avoid the frequent start-stop of water pump, To avoid impacting circuit, at the same can also buffering liquid backflow, avoid damage to the accessories such as impeller, water flow switch, energy Effectively extend the service life of water pump.
The utility model pump housing is provided with chamfering in the tip cut water of the delivery port of blade wheel chamber, effectively can avoid in highly pressurised liquid Bubble impact cut water concentrate rapid rupture and increased noise problem.
Brief description of the drawings
Fig. 1, existing self priming pump structure sectional view;
Fig. 2, stereochemical structure sectional view of the present utility model;
The structure sectional view of plane where Fig. 3, the utility model water inlet flow channel;
The close-up schematic view in A portions in Fig. 4, Fig. 3;
The structure sectional view of plane where Fig. 5, the utility model cushion chamber.
Embodiment
As shown in Figure 2-5, a kind of full-automatic self-priming pump, including the pump housing, the water inlet flow channel sequentially connected is provided with the pump housing 1st, blade wheel chamber 2 and gas-liquid separation chamber 3, the top of gas-liquid separation chamber 3 are provided with water injection hole 31.
The pressure detecting chamber 4 connected with the gas-liquid separation chamber and pressure buffer chamber 5 are provided with the pump housing.
Hydraulic pressure sensor is wherein provided with pressure detecting chamber 4, hydraulic pressure sensor gives the hydraulic signal real-time delivery of detection Water pump controller and the start stop operation that water pump is controlled by controller.In use, passed by the hydraulic pressure set in pressure detecting chamber 4 Sensor detects the hydraulic signal in the pump housing in real time, and starts water pump when minimal pressure force value of the hydraulic signal less than setting, when Switched off the pump when hydraulic signal is higher than the maximal pressure force value set, to realize the full-automatic start stop operation to water pump.
The compensator 51 that installation one communicates therewith in the pressure buffer chamber 5, when user need not use water, gas-liquid point It can enter pressure buffer chamber 5 from the highly pressurised liquid in chamber 3 and exist in compensator 51.Pressure above cushion chamber 5 and compensator 51 The moisture storage capacity in water pump can be effectively extended, need not start water pump in use can meet the needs of user uses water on a small quantity, its energy Effectively slow down the variation in water pressure in gas-liquid separation chamber 3, avoid the frequent start-stop of water pump, to avoid impacting circuit, simultaneously Can also buffering liquid backflow, avoid damage to the accessories such as impeller, water flow switch, can effectively extend the service life of water pump.
As shown in figure 4, the pump housing forms a cut water 22 at the position of delivery port 21 of blade wheel chamber 2, the top of cut water 22 is set There is chamfering 221.The setting of chamfering 221 on above cut water, the bubble in highly pressurised liquid can be effectively avoided to concentrate impact cut water rapid Rupture and increased noise problem.
The water inlet flow channel 1 is connected and composed by preceding runner 11 and rear runner 12, and the joining place of front and rear runner 11,12 is provided with list To check-valves 6.In the present embodiment, one way stop peturn valve 6 is made up of movable valve plug 61 and back-moving spring 62, the back-moving spring 62 It is sleeved on outside movable valve plug 61, the both ends of back-moving spring 62 hold the rear side of head 611 in the pump housing and movable valve plug 61, activity respectively Poppet head 611 seals the pipeline connecting platform 13 held in front and rear runner joining place in the presence of the reset force of back-moving spring 62 On.Pipeline connecting platform 13 is provided with the O-ring seal 131 being tightly connected with movable valve plug head 611.The pump housing is unidirectional Check-valves position is provided with water flow switch 7, and the signal real-time delivery feedwater pump controller of water flow switch 7 simultaneously is used to control water pump Start stop operation.
The setting of above one way stop peturn valve 6, it can fundamentally prevent the backflow of liquid, avoid damage to impeller, water flow switch Deng accessory, it can effectively extend the service life of water pump.And the setting of water flow switch 7, current feelings in water inlet flow channel 1 can be detected in real time Condition, when no liquid flows between current runner 11 and rear runner 12, one way stop peturn valve 6 is closed, and water flow switch 7 can incite somebody to action Electric signal reaches controller and switched off the pump, to realize the stoppage protection for lacking state.
It is described above, only it is better embodiment of the present utility model, not the utility model is done any formal Limitation, every any simple modification made according to technical principle of the present utility model to embodiment of above, equivalent variations or Modification, in the range of still falling within technical solutions of the utility model.

Claims (7)

1. a kind of full-automatic self-priming pump, including the pump housing, the water inlet flow channel sequentially connected, blade wheel chamber and gas-liquid point are provided with the pump housing From chamber, it is characterised in that:The pressure detecting chamber connected with the gas-liquid separation chamber and pressure buffer chamber are provided with the pump housing, its Hydraulic pressure sensor is provided with middle pressure detecting chamber, the hydraulic signal real-time delivery of detection is fed water pump controller simultaneously by hydraulic pressure sensor By the start stop operation of controller control water pump;The compensator that installation one communicates therewith in the pressure buffer chamber.
A kind of 2. full-automatic self-priming pump as claimed in claim 1, it is characterised in that:Water outlet of the pump housing in blade wheel chamber Position forms a cut water, and the top of cut water is provided with chamfering.
A kind of 3. full-automatic self-priming pump as claimed in claim 1, it is characterised in that:The water inlet flow channel is by preceding runner and rear stream Road connects and composes, and the joining place of front and rear runner is provided with one way stop peturn valve.
A kind of 4. full-automatic self-priming pump as claimed in claim 3, it is characterised in that:The one way stop peturn valve by movable valve plug and Back-moving spring is formed, and the back-moving spring is sleeved on outside movable valve plug, and back-moving spring both ends are held in the pump housing and moving valve respectively The back head of core, movable valve plug head seal the pipe held in front and rear runner joining place in the presence of back-moving spring reset force On road connecting platform.
A kind of 5. full-automatic self-priming pump as described in claim 3 or 4, it is characterised in that:The pump housing is in one-way non-return valve portion Position is provided with water flow switch, the signal real-time delivery feedwater pump controller of water flow switch and the start stop operation for controlling water pump.
A kind of 6. full-automatic self-priming pump as claimed in claim 4, it is characterised in that:The pipeline connecting platform is provided with and work The O-ring seal of movable valve plug head seal connection.
A kind of 7. full-automatic self-priming pump as claimed in claim 1, it is characterised in that:The gas-liquid separation top of chamber is provided with water filling Hole.
CN201720748781.1U 2017-06-26 2017-06-26 A kind of full-automatic self-priming pump Active CN206816534U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720748781.1U CN206816534U (en) 2017-06-26 2017-06-26 A kind of full-automatic self-priming pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720748781.1U CN206816534U (en) 2017-06-26 2017-06-26 A kind of full-automatic self-priming pump

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Publication Number Publication Date
CN206816534U true CN206816534U (en) 2017-12-29

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110566469A (en) * 2019-10-21 2019-12-13 代科泵业科技(台州)有限公司 Pump body structure of self-priming pump
CN113357159A (en) * 2021-07-05 2021-09-07 陈荣国 Self-suction type composite shield pump based on direct-current permanent magnet motor
CN113389739A (en) * 2021-07-05 2021-09-14 陈荣国 Direct-current permanent magnet type self-suction composite shield pump with gas-liquid mixing cavity
CN113464496A (en) * 2021-08-18 2021-10-01 重庆江增船舶重工有限公司 Detection structure of supercritical carbon dioxide centrifugal compressor
CN115143143A (en) * 2022-05-20 2022-10-04 利欧集团浙江泵业有限公司 Low-noise self-priming pump shell
CN115143120A (en) * 2022-05-20 2022-10-04 利欧集团浙江泵业有限公司 A anti-overflow water structure for self priming pump
CN115143145A (en) * 2022-05-20 2022-10-04 利欧集团浙江泵业有限公司 Self-priming pump structure with large suction lift

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110566469A (en) * 2019-10-21 2019-12-13 代科泵业科技(台州)有限公司 Pump body structure of self-priming pump
CN113357159A (en) * 2021-07-05 2021-09-07 陈荣国 Self-suction type composite shield pump based on direct-current permanent magnet motor
CN113389739A (en) * 2021-07-05 2021-09-14 陈荣国 Direct-current permanent magnet type self-suction composite shield pump with gas-liquid mixing cavity
CN113464496A (en) * 2021-08-18 2021-10-01 重庆江增船舶重工有限公司 Detection structure of supercritical carbon dioxide centrifugal compressor
CN115143143A (en) * 2022-05-20 2022-10-04 利欧集团浙江泵业有限公司 Low-noise self-priming pump shell
CN115143120A (en) * 2022-05-20 2022-10-04 利欧集团浙江泵业有限公司 A anti-overflow water structure for self priming pump
CN115143145A (en) * 2022-05-20 2022-10-04 利欧集团浙江泵业有限公司 Self-priming pump structure with large suction lift
WO2023221474A1 (en) * 2022-05-20 2023-11-23 利欧集团浙江泵业有限公司 Low-noise self-priming pump housing
WO2023221475A1 (en) * 2022-05-20 2023-11-23 利欧集团浙江泵业有限公司 Anti-overflow structure for self-priming pump
CN115143145B (en) * 2022-05-20 2024-03-15 利欧集团浙江泵业有限公司 Self-priming pump structure with large suction stroke
CN115143120B (en) * 2022-05-20 2024-03-15 利欧集团浙江泵业有限公司 Anti-overflow structure for self-priming pump
CN115143143B (en) * 2022-05-20 2024-04-12 利欧集团浙江泵业有限公司 Low-noise self-priming pump shell

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