CN203463301U - Pressure control device for submersible pump - Google Patents
Pressure control device for submersible pump Download PDFInfo
- Publication number
- CN203463301U CN203463301U CN201320382214.0U CN201320382214U CN203463301U CN 203463301 U CN203463301 U CN 203463301U CN 201320382214 U CN201320382214 U CN 201320382214U CN 203463301 U CN203463301 U CN 203463301U
- Authority
- CN
- China
- Prior art keywords
- pressure
- submersible pump
- bearing post
- control device
- pressure control
- 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.)
- Expired - Fee Related
Links
Images
Abstract
A pressure control device for a submersible pump comprises a sealed motor bar with an opening, an elastic element sealed in the opening, and a pressure switch arranged in the motor barn, wherein the pressure switch comprises a pushing device and a microswitch, the pushing device comprises a bearing column and a return spring. One end of the bearing column is arranged corresponding to the elastic element, and the other end buts against the return spring. The pressing down portion of the bearing column is arranged corresponding to the button of the microswitch. The pressure control device is simple in structure, and convenient for operation.
Description
Technical field
The utility model relates to a kind of submersible pump pressure control device, particularly a kind ofly controls the pressure control device that submersible pump cuts out.
Background technique
Submersible pump (Submerged pump) is the water treatment instrument that the pump housing and motor can be immersed in the water work.Submersible pump and common suction engine difference are that submersible pump is operated under water, and suction engine is worked on the ground mostly.The working principle of common centrifugal submersible pumps is: before submersible pump start, in suction pipe and submersible pump, must be full of liquid.After start, impeller High Rotation Speed, the liquid in submersible pump is along with impeller rotates together, under the effect of centrifugal force, fly away from impeller and outwards penetrate, the liquid of ejaculation speed in pump case explosion chamber is slack-off gradually, pressure increases gradually, then from submersible pump outlet, waste pipe, flows out.Now, in blade center, because liquid is thrown toward, form the vacuum low-pressure district that does not both have air also there is no liquid around, the liquid in liquid pool is under the atmospheric effect of pond face, in suction pipe flows into submersible pump.Liquid is continuously pumped up and continuously from discharge tube, is flowed out like this from liquid pool.Submersible pump is widely used in the aspects such as field irrigation, draining and farming and animal husbandry, industrial and mining enterprise, urban water supply, draining.The general flow of submersible pump can reach (5m
3~ 650m
3) per hour, lift can reach 10 ~ 550 meters.
The motor that submersible pump is used has dry type (motor is all sealed in motor bin), the half dry type (seal stator of motor, and rotor turns round in water), oil-filled type (the oil-filled in case moisture of motor internal is invaded winding) and wet type (motor internal water-filling, stator and rotor all turn round in water) etc. type, first 3 kinds all need sealing and manufacture installation precision and have relatively high expectations.
The water outlet of submersible pump is generally connected with waste pipe, and the outlet port of this waste pipe is provided with valve.Submersible pump in use, is first opened submersible pump, then opens valve water.When the length of waste pipe is longer, open after submersible pump, also need to walk a segment distance could arrive the valve place of waste pipe end, and now submersible pump in operating condition, but its water pumping is not used, and just makes the pressure rise in submersible pump.The rising of this pressure, pressure hour only can cause the waste of electric power, when pressure is large, can damage submersible pump.
Summary of the invention
The utility model provides a kind of submersible pump pressure control device.
For achieving the above object, the technical solution adopted in the utility model is: a kind of submersible pump pressure control device, comprising:
The motor bin of one sealing, described motor bin is provided with an opening, and on this opening, sealing is provided with an elastic member;
One pressure switch, this pressure switch is located in described motor bin; Described pressure switch comprises press device and sensitive switch, and described press device comprises pressure-bearing post and Returnning spring; The corresponding described elastic member setting in one end of described pressure-bearing post, the other end and described Returnning spring are conflicted and are arranged; The setting corresponding to the button of described sensitive switch of the pressing member of described pressure-bearing post.
Preferred technological scheme is: described Returnning spring is Compress Spring.
Preferred technological scheme is: described Compress Spring is installed in the mounting hole of a Returnning spring fitting seat.
Preferred technological scheme is: the mounting hole of described Returnning spring fitting seat is through hole, and the bottom of this through hole is provided with screw.
Preferred technological scheme is: described pressing member is a plectrum, and this plectrum is provided with through hole, and described pressure-bearing post wears described through hole setting.
Preferred technological scheme is: described pressure-bearing post is provided with protuberance, the conflict side setting of described plectrum of this protuberance.
Preferred technological scheme is: described mounting hole hole wall is provided with rectangular opening, and one end of described plectrum is located in described rectangular opening.
Preferred technological scheme is: described mounting hole hole wall is provided with vertical groove, and one end of described plectrum is located in described groove.
Preferred technological scheme is: described elastic member is a rubber sheet gasket.
The utility model working principle is: the pressure that utilizes pressure-bearing post to experience fed sheet of a media in submersible pump changes, when the pressure rise of fed sheet of a media is to a certain degree time, the resistance that pressure-bearing post overcomes Returnning spring moves down, when pressure-bearing post moves a certain distance, will press the button of sensitive switch, the motor that this sensitive switch cuts out submersible pump does not turn round it.When the pressure of fed sheet of a media returns to normal state, Returnning spring moves pressure-bearing post in the other direction, and at this moment pressure-bearing post and microswitch push-button disengage, thereby makes motor for submerged pump recover running.
Because technique scheme is used, the utility model compared with prior art has following advantages:
1, because the utility model microswitch structure is compact, so it can be arranged in submersible pump, thus the convenient switch of controlling submersible pump.
2, the utlity model has advantage simple in structure, easy to operate.
Accompanying drawing explanation
Accompanying drawing 1 is for having the submersible pump schematic diagram of pressure switch;
Accompanying drawing 2 is the A portion enlarged view (having pressed microswitch push-button) of accompanying drawing 1;
Accompanying drawing 3 is the A portion enlarged view (not pressing microswitch push-button) of accompanying drawing 1;
Accompanying drawing 4 is the utility model pressure switch explosive view;
Accompanying drawing 6 is the first pressure-bearing post, plectrum and Returnning spring fitting seat assembling schematic diagram;
Accompanying drawing 7 is the second pressure-bearing post, plectrum and Returnning spring fitting seat assembling schematic diagram.
In above accompanying drawing: 1, submersible pump; 2, fed sheet of a media flows to; 3, elastic member; 4, pressure-bearing post; 5, Returnning spring; 6, Returnning spring fitting seat; 7, plectrum; 8, sensitive switch; 9, screw; 10, pressure switch; 11, heat protector; 12, float switch; 13, electric capacity; 14, motor.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Notice, appended graphic the illustrated structure of this specification, ratio, size etc., equal contents in order to coordinate specification to disclose only, for person skilled in the art scholar, understand and read, not in order to limit the enforceable qualifications of the present invention, therefore the technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionate relationship or size, not affecting under the effect that the present invention can produce and the object that can reach, all should still drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, in this specification, quote as " on ", the term of D score, " left side ", " right side ", " centre " and " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under without essence change technology contents, when being also considered as the enforceable category of the present invention.
Embodiment: a kind of submersible pump pressure control device
Shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, accompanying drawing 4 and accompanying drawing 5, a kind of submersible pump 1 use pressure control device, comprising: the motor bin of a sealing, and described motor bin is provided with an opening, and on this opening, sealing is provided with an elastic member 3; One pressure switch, this pressure switch is located in described motor bin; Described pressure switch comprises press device and sensitive switch 8, and described press device comprises pressure-bearing post 4 and Returnning spring 5; The corresponding described elastic member 3 in one end of described pressure-bearing post 4 arranges, and the other end and described Returnning spring 5 are conflicted and arranged; The corresponding setting of button of the pressing member of described pressure-bearing post 4 and described sensitive switch 8.
The effect of press device is: bear the pressure of described submersible pump 1 fed sheet of a media, when pressure rise, trigger the button of sensitive switch 8.The effect of sensitive switch is the start-stop of controlling motor for submerged pump.In the circuit of the positive and negative Wiring port access submersible pump 1 of sensitive switch 8.Sensitive switch 8 can adopt prior art to make, and its requirement is: 1, under the pressed state of the button of sensitive switch 8 in press device, the circuit of submersible pump 1 is for closing, thereby motor for submerged pump is closed; 2, when press device does not contact with the button of sensitive switch 8, the circuit of submersible pump 1 is path, thereby motor for submerged pump is opened.So sensitive switch specifically can be selected position limited inching switch, can claim micro limit switch, micro limit switch again.The design at other position of described submersible pump 1 can be with reference to the design of existing submersible pump.
The fed sheet of a media of general submersible pump 1 flows to 2 as shown in Figure 1.The water outlet of submersible pump 1 is generally connected with waste pipe, and the outlet port of this waste pipe is provided with valve, and for example the valve for the submersible pump 1 of watering flowers is spray gun.While not opening spray gun when opening the motor of submersible pump, after the motor rotation certain hour of submersible pump 1, fed sheet of a media arrives spray gun, but now because spray gun is not opened, so the fed sheet of a media in the waste pipe of submersible pump 1 and submersible pump 1 housing is along with the running of the motor of submersible pump 1, its pressure raises, when this pressure-acting is during to press device, trigger the button of sensitive switch 8, the motor of final plant closure submersible pump 1.When opening spray gun, along with fed sheet of a media is from spray gun is released into waste pipe, the pressure of fed sheet of a media returns to normally, and at this moment press device separates with the button of sensitive switch 8, and the motor of opening submersible pump 1 transfers out continuously fed sheet of a media under the effect of motor.
Described press device comprises pressure-bearing post 4 and Returnning spring 5; One end of described pressure-bearing post 4 is the upper surface of the diameter major part of pressure-bearing post 4 shown in accompanying drawing 4, indirectly bear the pressure of described submersible pump 1 fed sheet of a media, described pressure-bearing post 4 also only has this end to bear the pressure of described submersible pump 1 fed sheet of a media, and the pressure of described submersible pump 1 fed sheet of a media is not all born at other position of pressure-bearing post 4, because only in this way, the resistance that just can make pressure-bearing post 4 can bear the pressure of fed sheet of a media and overcome Returnning spring moves, so that triggers the button of described sensitive switch 8.If the pressure of described submersible pump 1 fed sheet of a media is also born at other position of pressure-bearing post 4, so due to counteracted by pressure, 4, pressure-bearing post can not be along with the increase of the pressure of fed sheet of a media and is moved.
The other end of pressure-bearing post 4 is the lower surface of the diameter major part of pressure-bearing post 4 shown in accompanying drawing 4, and it and described Returnning spring 5 are conflicted and arranged.Returnning spring 5 has two aspect effects, 1, because spring has certain precompression, when ambient pressure overcomes this precompression, Returnning spring moves under the effect of ambient pressure, so can have the spring of different precompressions with the pressure of fed sheet of a media in corresponding submersible pump by selection.2, when the ambient pressure that Returnning spring is applied is eliminated, Returnning spring restores to the original state.The present embodiment is designed to one section for the larger cap shape of diameter by the structure of pressure-bearing post 4, and another section is the column that diameter is less, between cap shape section and column section, forms stepped part, and with the described spring setting of conflicting of this stepped part.
The pressing member of described pressure-bearing post 4 refers under a state with the corresponding setting of button of described sensitive switch 8, and the button that the pressing member of pressure-bearing post 4 can act on sensitive switch 8 triggers the button of sensitive switch 8.On described pressure-bearing post 4, can directly extend one as pressing member, pressure-bearing post 4 is one-body molded with pressing member.Also can design separately a pressing member.The button of sensitive switch 8 is located at the below of pressing member, and interval arranges between the two, and when pressing member is along with pressure-bearing post 4 moves down, pressing member can act on the button of sensitive switch 8.Sensitive switch 8 is with respect to pressure-bearing post 4, and it will be fixedly installed, and pressure-bearing post 4 will move setting.
Returnning spring 5 can be spring sheet, but the mode of execution of described Returnning spring 5 the bests is Compress Springs.And preferred mode of execution is that described Compress Spring is installed in the mounting hole of Returnning spring fitting seat 6.Under the restriction of mounting hole, Compress Spring, under the constraint of mounting hole, can only move along mounting hole like this.The mounting hole of described Returnning spring fitting seat 6 can be blind hole, at this moment, as long as the precompression of Compress Spring is set, surpasses so this pressure, triggers the button of sensitive switch.But because the precompression of Compress Spring is generally constant, once Compress Spring is selected, the precompression of Compress Spring is also thereupon selected so, therefore at this moment as long as when the pressure of fed sheet of a media surpasses this precompression, will close motor for submerged pump.Best mode of execution is that mounting hole is designed to through hole, and screw 9 is set in through hole.And screw 9 can be by mobile with compression or unclamp Compress Spring, thereby regulate the precompression of Compress Spring.Finally with this, reaching fed sheet of a media can trigger the effect that submersible pump 1 motor is closed down under different pressure.
Preferred embodiment for described pressing member is designed to independent parts, laminar plectrum 7 as shown in Figure 4, centre has circular hole, the column section of pressure-bearing post 4 arranges through hole, the conflict upper edge of plectrum 7, the lower edge of the cap shape section of pressure-bearing post, the lower edge of plectrum 7 is against the upper end of Compress Spring, and plectrum 7 can move along with moving up and down of pressure-bearing post 4 like this.One end of plectrum is used for triggering the button of sensitive switch 4.
Pressure-bearing post 4 also can not adopt the structure shown in accompanying drawing 4, but at middle part, also can a protuberance be set in bottom, be used for the upper edge for plectrum, the lower edge of plectrum 7 is against the upper end of Compress Spring, and plectrum 7 can move along with moving up and down of pressure-bearing post 4 like this.One end of plectrum is used for triggering the button of sensitive switch 4.
Shown in accompanying drawing 4 and accompanying drawing 6, described mounting hole hole wall is provided with rectangular opening, and the rectangular opening of a side equates with the width of one end of plectrum 7, so that slide and be spacing in this hole in one end of plectrum 7, makes plectrum 7 when moving up and down, and is not offset.The rectangular opening of another side is larger, so that the circle of plectrum 7 width biggest places can be passed.Because when assembling pressure switch, plectrum 7 need to pass to arrange from rectangular opening.
Another kind of mode of execution is referring to shown in accompanying drawing 7, described mounting hole hole wall is provided with vertical groove, concrete structure refers to that this groove directly extends to the upper end of mounting hole, and the width at the two ends of plectrum 7 is respectively at the width coupling of vertical groove like this, thereby plectrum 7 is moved up and down under groove spacing.
For dry submersible pump, owing to being provided with in submersible pump for putting the sealed electrical cabin of motor.So design an opening on motor bin, on this opening, sealing is provided with elastic member 3, and the corresponding described elastic member 3 in that one end of the pressure that bears described submersible pump 1 fed sheet of a media of the pressure-bearing post 4 of described press device arranges.The below that the upper end of pressure-bearing post 4 is against elastic member 3 arranges, and when elastic member 3 bears the pressure of fed sheet of a media, elastic strain can occur, and this elastic strain meeting is exerted pressure so that pressure-bearing post 4 moves to pressure-bearing post 4.Described elastic member 3 is a rubber sheet gasket.Because the elastic strain of this material of rubber is larger.This is an optimum mode of execution, because the design of sealed electrical cabin has been ripe technology, and the lighting outlet of sensitive switch is also connected directly in the circuit of submersible pump 1 without carrying out Seal Design in the present embodiment.Generally Returnning spring fitting seat 6 is fixedly installed in motor bin, again sensitive switch 8 is fixed on Returnning spring fitting seat 6, as shown in Figure 4, on Returnning spring fitting seat 6, be fixed with two erection columns, on sensitive switch 8, correspondence is provided with two mounting holes, when assembling, sensitive switch 8 is set on Returnning spring fitting seat 6.
The electrical equipment principle of the submersible pump 1 of the present embodiment as shown in Figure 5, has pressure switch 10, heat protector 11, float switch 12, electric capacity 13 and motor 14 and corresponding electric wire in accompanying drawing 5.
Above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection domain of the present utility model.
Claims (7)
1. a submersible pump pressure control device, is characterized in that: comprising:
The motor bin of one sealing, described motor bin is provided with an opening, and on this opening, sealing is provided with an elastic member;
One pressure switch, this pressure switch is located in described motor bin; Described pressure switch comprises press device and sensitive switch, and described press device comprises pressure-bearing post and Returnning spring; The corresponding described elastic member setting in one end of described pressure-bearing post, the other end and described Returnning spring are conflicted and are arranged; The setting corresponding to the button of described sensitive switch of the pressing member of described pressure-bearing post.
2. submersible pump pressure control device according to claim 1, is characterized in that: described Returnning spring is Compress Spring.
3. submersible pump pressure control device according to claim 2, is characterized in that: described Compress Spring is installed in the mounting hole of a Returnning spring fitting seat.
4. submersible pump pressure control device according to claim 3, is characterized in that: the mounting hole of described Returnning spring fitting seat is through hole, and the bottom of this through hole is provided with screw.
5. submersible pump pressure control device according to claim 1, is characterized in that: described pressing member is a plectrum, and this plectrum is provided with through hole, and described pressure-bearing post wears described through hole setting.
6. submersible pump pressure control device according to claim 5, is characterized in that: described pressure-bearing post is provided with protuberance, the conflict side setting of described plectrum of this protuberance.
7. submersible pump pressure control device according to claim 1, is characterized in that: described elastic member is a rubber sheet gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320382214.0U CN203463301U (en) | 2013-06-28 | 2013-06-28 | Pressure control device for submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320382214.0U CN203463301U (en) | 2013-06-28 | 2013-06-28 | Pressure control device for submersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203463301U true CN203463301U (en) | 2014-03-05 |
Family
ID=50175669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320382214.0U Expired - Fee Related CN203463301U (en) | 2013-06-28 | 2013-06-28 | Pressure control device for submersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203463301U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362830A (en) * | 2013-06-28 | 2013-10-23 | 苏州美达斯机电有限公司 | Pressure control device for submerged pump |
-
2013
- 2013-06-28 CN CN201320382214.0U patent/CN203463301U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362830A (en) * | 2013-06-28 | 2013-10-23 | 苏州美达斯机电有限公司 | Pressure control device for submerged pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204023714U (en) | A kind of anti-dry tap formula constant-pressure water-supplying control device | |
| CN203463301U (en) | Pressure control device for submersible pump | |
| CN203463302U (en) | Novel submersible pump | |
| CN203463303U (en) | Submersible pump | |
| CN204460748U (en) | Instant heating type drinking water heating device | |
| CN203466124U (en) | Pressure switch for submerged pumps | |
| CN103362830A (en) | Pressure control device for submerged pump | |
| CN203446312U (en) | Automatic watering system for household green plants | |
| CN103362831A (en) | Control method for submerged pump | |
| CN203857655U (en) | Syphoning drainage device and dehumidifier drainage system | |
| CN2721923Y (en) | Water-deficient protector of water pump | |
| CN211314679U (en) | Automatic liquid pump | |
| CN209278162U (en) | A kind of water pump with remote control function | |
| CN108869326B (en) | Intelligent drainage pump | |
| CN200975021Y (en) | Automatic water draining apparatus for proton subterranean equipment machinery room | |
| CN203685565U (en) | Vertical screw pump | |
| CN202597013U (en) | Automatic well pump | |
| CN209164089U (en) | The anti-structure of backflowing of vacuum pump with oil pump | |
| CN104534682A (en) | Instant drinking water heating device | |
| CN204130446U (en) | A kind of high-voltage switch gear with inlet non return check valve | |
| CN204572471U (en) | Self-priming water pump | |
| CN202381343U (en) | Submersible pump with seal structure | |
| CN204186606U (en) | Submersible pump | |
| CN203285654U (en) | Self-control water pump with flow induction and detection functions | |
| CN2844515Y (en) | Water-loss protector of water pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140305 Termination date: 20160628 |