CN203570611U - Blowdown submersible pump capable of detecting sealing state - Google Patents
Blowdown submersible pump capable of detecting sealing state Download PDFInfo
- Publication number
- CN203570611U CN203570611U CN201320760536.4U CN201320760536U CN203570611U CN 203570611 U CN203570611 U CN 203570611U CN 201320760536 U CN201320760536 U CN 201320760536U CN 203570611 U CN203570611 U CN 203570611U
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- pump
- motor
- fuel tank
- sealing state
- pump shaft
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Abstract
The utility model discloses a blowdown submersible pump capable of detecting a sealing state, which comprises a pump body with a water inlet and a drainage exit. An impeller is arranged in the pump body; the top end of the pump body is provided with an oil tank; the top end of the oil tank is provided with a motor; a pump shaft is arranged in the pump body; the impeller sleeves the outer wall of the pump shaft; after passing through the oil tank, one end of the pump shaft is arranged inside the motor; a wiring board is arranged above the pump shaft; the wiring board is connected with a thermal protection sensor; both the wiring board and the thermal protection sensor are arranged inside the motor; a water leakage detection head is arranged in the motor; one end of the water leakage detection head is arranged inside the oil tank; and the bottom end of the water leakage detection head is in contact with the bottom end face inside the oil tank. According to the blowdown submersible pump, by arranging the water leakage detection head to carry out water leakage detection on the motor and the oil tank, the submersible pump is timely closed when water leakage is found, so that the submersible pump is protected and the problems that after water leakage occurs to an existing submersible pump, an operator cannot know the water leakage and finally, damage to the submersible pump is caused are solved.
Description
Technical field
The utility model relates to a kind of water pump, especially relates to a kind of blowdown submerged pump that can detect sealing state, belongs to mechanical field.
Background technique
Pump is as a kind of universal machine, and it is of many uses.Along with the development of water pump develops, there are various water pumps, water pump is the machinery of carrying liquid or making liquid supercharging.It sends the mechanical energy of prime mover or other external energies to liquid, liquid energy is increased, be mainly used to carry liquid to comprise water, oil, acid & alkali liquid, emulsified liquid, suspended emulsion and liquid metal etc., also can carry liquid, gaseous mixture and the liquid containing suspended solids.The technical parameter of weighing pump performance has flow, inhales journey, lift, air horsepower, water-horse power, efficiency etc.; According to different working principles, can be divided into the types such as volume water pump, vane pump.Displacement pump is to utilize the variation of its swept volume of a single chamber to carry out transferring energy; Vane pump is to utilize the interaction of rotary vane and water to carry out transferring energy, has the types such as centrifugal pump, axial-flow pump and mixed flow pump.Submersible pump has several, and the line in motor is surrounded by that oil is invaded formula and water enchroachment (invasion) formula is dry type in addition, for a long time need not, must impeller must be done turn before use, not so can be because of for a long time need not be stuck and have a swollen head.Before turn on pump, in suction pipe and pump, must be full of liquid.After turn on pump, impeller High Rotation Speed, liquid wherein, along with blade rotates together, under the effect of centrifugal force, flies away from impeller and outwards penetrates, and the liquid of ejaculation speed in pump case explosion chamber is slack-off gradually, and pressure increases gradually, and then from pump discharge, discharge tube flows out.Now, around being thrown toward due to liquid, blade center forms the vacuum low-pressure district that not only there is no air but also there is no liquid, liquid in liquid pool is under the atmospheric effect of pond face, in suction pipe inflow pump, liquid is exactly so continuously from liquid pool, be pumped up and continuously from discharge tube, flow out.The blowdown submerged pump using in city, due to the environment very severe of using, under the corrosion function of sewage, easily occur the problem of leaking, and operator cannot learn, finally cause the damage of submersible pump.
model utility content
After the purpose of this utility model is to overcome above-mentioned existing submersible pump and occurs leaking, operator but cannot learn; finally cause the problem of the damage of submersible pump; designed a kind of blowdown submerged pump that can detect sealing state; this blowdown submerged pump leaks detecting head to the detection of leaking of motor and fuel tank by setting; when leaking, discovery closes in time submersible pump; protection submersible pump, after having solved existing submersible pump and occurring leaking, operator but cannot learn, finally cause the problem of the damage of submersible pump.
The purpose of this utility model is achieved through the following technical solutions: a kind of blowdown submerged pump that can detect sealing state, comprise the pump housing that is provided with water intake and drain opening, in the described pump housing, be provided with impeller, pump housing top is provided with fuel tank, fuel tank top is provided with motor, in the pump housing, be provided with pump shaft, impeller set is combined on the outer wall of pump shaft, pump shaft one end is arranged on motor internal through after fuel tank, the top of described pump shaft is provided with wire board, wire board is connected with heat protection sensor, wire board and heat protection sensor are all arranged on motor internal, in motor, be provided with the detecting head that leaks, the detecting head one end that leaks is arranged on fuel tank internal, and the bottom of this detecting head that leaks contacts with the bottom end of fuel tank internal.
On the outer wall of pump shaft, be sheathed with rotor, on the outer wall of rotor, be sheathed with stator, rotor and stator are all arranged in motor, and heat protection sensor setting is in stator.
On the outer wall of pump shaft, be sheathed with bearing, bearing is arranged in motor, and bearing is arranged under rotor, on the outer wall of pump shaft, is sheathed with seal ring, and seal ring is arranged in the base plate of fuel tank, and seal ring is arranged on bearing below.
Motor comprises motor casing and motor cover, and motor cover is fixed on motor casing, and rotor, stator, bearing and the detecting head that leaks are all arranged on motor casing inside, and the top of motor casing is fixedly connected with the top of fuel tank.
In motor cover, be provided with the sheath of inner hollow, sheath, through motor cover and motor casing internal communication, is provided with cable in sheath, and cable one end is connected with wire board through after sheath, between wire board and heat protection sensor, also by cable, connects.
In motor cover, be provided with suspension ring, bottom and the motor cover of suspension ring are fixed.
The opening end of water intake is provided with filter cap, and the opening end formation of filter cap and water intake is tightly connected, and filter cap is arranged on pump housing outside.
In sum; the beneficial effects of the utility model are: this blowdown submerged pump leaks detecting head to the detection of leaking of motor and fuel tank by setting; when leaking, discovery closes in time submersible pump; protection submersible pump; after having solved existing submersible pump and occurring leaking, operator but cannot learn, finally cause the problem of the damage of submersible pump.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Mark and corresponding component title in accompanying drawing: 1-base; 2-filter cap; 3-seal ring; 4-detecting head leaks; 5-bearing; 6-stator; 7-pump shaft; 8-heat protection sensor; 9-suspension ring; 10-wire board; 11-cable; 12-sheath; 13-motor cover; 14-wiring end cover; 15-rotor; 16-motor casing; 17-fuel tank; 18-pump housing; 19-impeller.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but mode of execution of the present utility model is not limited only to this.
Embodiment 1:
As shown in Figure 1, a kind of blowdown submerged pump that can detect sealing state, comprise the pump housing 18 that is provided with water intake and drain opening, in the described pump housing 18, be provided with impeller 19, the pump housing 18 tops are provided with fuel tank 17, fuel tank 17 tops are provided with motor, in the pump housing 18, be provided with pump shaft 7, impeller 19 is linked on the outer wall of pump shaft 7, pump shaft 7 one end are arranged on motor internal through after fuel tank 17, the top of described pump shaft 7 is provided with wire board 10, wire board 10 is connected with heat protection sensor 8, wire board 10 and heat protection sensor 8 are all arranged on motor internal, in motor, be provided with the detecting head 4 that leaks, detecting head 4 one end that leak are arranged on fuel tank 17 inside, and the bottom of this detecting head 4 that leaks contacts with the bottom end of fuel tank 17 inside.Unique blade wheel structure, there is very large flow, can pass through large object and fiber, this submersible pump adopts external circulation cooling system, can guarantee that submersible pump runs well at the lowest water level in pond, the detecting head 4 that leaks is a kind of induction detection devices, sensing that humidity is greater than after the aqueous solution of setting value, with regard to automatic alarm, send signal, operator receive after signal, just know that pollution discharge pump exists the situation of leaking, can stop blowdown, submersible pump is taken out and keeped in repair from sewage, avoid the further seepage of sewage, destroy pollution discharge pump, because the proportion of water is greater than oily proportion, so the bottom of the detecting head 4 that leaks in fuel tank 17 need to be contacted with the bottom end of fuel tank 17 inside, can detect accurately fuel tank 17 like this, after having solved existing submersible pump and occurring leaking, operator but cannot learn, finally cause the problem of the damage of submersible pump.
On the outer wall of pump shaft 7, be sheathed with rotor 15, be sheathed with stator 6 on the outer wall of rotor 15, rotor 15 and stator 6 are all arranged in motor, and heat protection sensor 8 is arranged in stator 6.Stator 6 and rotor 15 are all existing structures; stator 6 adopts B level and F class B insulation; after being interfered, stator 6 easily generates heat, and causes burning out of pollution discharge pump; in stator 6, arrange after heat protection sensor 8; when the temperature of stator 6, protect after the setting temperature sensor of sensor 8 higher than heat, heat protection sensor 8 will issue a signal in control system, and control system is cut off the electricity supply according to default program; submersible pump is quit work, prevent burning out submersible pump.
On the outer wall of pump shaft 7, be sheathed with bearing 5, bearing 5 is arranged in motor, and bearing 5 is arranged under rotor 15, is sheathed with seal ring 3 on the outer wall of pump shaft 7, and seal ring 3 is arranged in the base plate of fuel tank 17, and seal ring 3 is arranged on bearing 5 belows.Seal ring 3 is that pump shaft 7 is sealed, and avoids between fuel tank 17 and motor because the phenomenon of leaking is caused in the gap of pump shaft 7.Seal ring 3 adopts double mechanical seal, guarantees the reliable of submersible pump.
Motor comprises motor casing 16 and motor cover 13, and motor cover 13 is fixed on motor casing 16, and rotor 15, stator 6, bearing 5 and the detecting head 4 that leaks are all arranged on motor casing 16 inside, and the top of motor casing 16 is fixedly connected with the top of fuel tank 17; In motor cover 13, be provided with the sheath 12 of inner hollow, sheath 12 is through motor cover 13 and motor casing 16 internal communication, in sheath 12, be provided with cable 11, cable 11 one end are connected with wire board 10 through sheath 12 is rear, between wire board 10 and heat protection sensor 8, also by cable 11, connect; In motor cover 13, be provided with suspension ring 9, the bottom of suspension ring 9 and motor cover 13 are fixing.In motor casing 16, be provided with wiring end cover 14; wiring end cover 14 is arranged on pump shaft 7 tops; wire board 10 is arranged on wiring end cover 14; making pump shaft 7 have enough spaces rotates; cable 11 in sheath 12 is connected wire board 10; the submersible pump that makes to be placed in sewage can be switched on, and the signal of the sensor 8 of heat protection simultaneously also can transmit out by the datawire in cable.
The opening end of water intake is provided with filter cap 2, and filter cap 2 forms and is tightly connected with the opening end of water intake, and filter cap 2 is arranged on the pump housing 18 outsides.Filter cap 2 is that the sewage that enters water pump is carried out to coarse filtration, prevents that the large-scale impurity such as rubble or other silk quality things from entering into water pump, causes the stuck phenomenon of impeller 19 to occur.In the pump housing 18 bottoms, base 1 is set, for supporting the pump housing 18 simultaneously.
The above; it is only preferred embodiment of the present utility model; not the utility model is done to any pro forma restriction; any simple modification, equivalent variations that every foundation technology of the present utility model, method are done above embodiment in fact, within all falling into protection domain of the present utility model.
Claims (7)
1. one kind can be detected the blowdown submerged pump of sealing state, comprise the pump housing (18) that is provided with water intake and drain opening, in the described pump housing (18), be provided with impeller (19), the pump housing (18) top is provided with fuel tank (17), fuel tank (17) top is provided with motor, in the pump housing (18), be provided with pump shaft (7), impeller (19) is linked on the outer wall of pump shaft (7), pump shaft (7) one end is arranged on motor internal through after fuel tank (17), it is characterized in that: the top of described pump shaft (7) is provided with wire board (10), wire board (10) is connected with heat protection sensor (8), wire board (10) and heat protection sensor (8) are all arranged on motor internal, in motor, be provided with the detecting head that leaks (4), detecting head (4) one end that leaks is arranged on fuel tank (17) inside, and the bottom of this detecting head that leaks (4) bottom end inner with fuel tank (17) contacts.
2. a kind of blowdown submerged pump that can detect sealing state according to claim 1; it is characterized in that: on the outer wall of described pump shaft (7), be sheathed with rotor (15); on the outer wall of rotor (15), be sheathed with stator (6); rotor (15) and stator (6) are all arranged in motor, and heat protection sensor (8) is arranged in stator (6).
3. a kind of blowdown submerged pump that can detect sealing state according to claim 2, it is characterized in that: on the outer wall of described pump shaft (7), be sheathed with bearing (5), bearing (5) is arranged in motor, and bearing (5) is arranged under rotor (15), on the outer wall of pump shaft (7), be sheathed with seal ring (3), seal ring (3) is arranged in the base plate of fuel tank (17), and seal ring (3) is arranged on bearing (5) below.
4. a kind of blowdown submerged pump that can detect sealing state according to claim 3, it is characterized in that: described motor comprises motor casing (16) and motor cover (13), motor cover (13) is fixed on motor casing (16), rotor (15), stator (6), bearing (5) and the detecting head that leaks (4) are all arranged on motor casing (16) inside, and the top of motor casing (16) is fixedly connected with the top of fuel tank (17).
5. a kind of blowdown submerged pump that can detect sealing state according to claim 4; it is characterized in that: the sheath (12) that is provided with inner hollow in described motor cover (13); sheath (12) is through motor cover (13) and motor casing (16) internal communication; in sheath (12), be provided with cable (11); cable (11) one end is connected with wire board (10) through after sheath (12), between wire board (10) and heat protection sensor (8), also by cable (11), connects.
6. a kind of blowdown submerged pump that can detect sealing state according to claim 4, is characterized in that: in described motor cover (13), be provided with suspension ring (9), the bottom of suspension ring (9) and motor cover (13) are fixing.
7. according to a kind of blowdown submerged pump that can detect sealing state described in any one in claim 1 to 6, it is characterized in that: the opening end of described water intake is provided with filter cap (2), filter cap (2) forms and is tightly connected with the opening end of water intake, and filter cap (2) is arranged on the pump housing (18) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320760536.4U CN203570611U (en) | 2013-11-28 | 2013-11-28 | Blowdown submersible pump capable of detecting sealing state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320760536.4U CN203570611U (en) | 2013-11-28 | 2013-11-28 | Blowdown submersible pump capable of detecting sealing state |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203570611U true CN203570611U (en) | 2014-04-30 |
Family
ID=50538344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320760536.4U Expired - Fee Related CN203570611U (en) | 2013-11-28 | 2013-11-28 | Blowdown submersible pump capable of detecting sealing state |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203570611U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742426A (en) * | 2013-11-28 | 2014-04-23 | 成都欧浦特控制阀门有限公司 | Blowdown submerged pump for detecting sealing state |
| CN105090056A (en) * | 2015-08-04 | 2015-11-25 | 芜湖环球汽车配件有限公司 | Submersible pump |
| CN110594143A (en) * | 2019-07-29 | 2019-12-20 | 武汉船用机械有限责任公司 | Test run device of submersible pump head |
-
2013
- 2013-11-28 CN CN201320760536.4U patent/CN203570611U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742426A (en) * | 2013-11-28 | 2014-04-23 | 成都欧浦特控制阀门有限公司 | Blowdown submerged pump for detecting sealing state |
| CN105090056A (en) * | 2015-08-04 | 2015-11-25 | 芜湖环球汽车配件有限公司 | Submersible pump |
| CN110594143A (en) * | 2019-07-29 | 2019-12-20 | 武汉船用机械有限责任公司 | Test run device of submersible pump head |
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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: 20140430 Termination date: 20141128 |
|
| EXPY | Termination of patent right or utility model |