CN209638025U

CN209638025U - Immersible pump

Info

Publication number: CN209638025U
Application number: CN201920096975.7U
Authority: CN
Inventors: 陆本度; 廖志强
Original assignee: Yida Technology (shenzhen) Co Ltd
Current assignee: Yida Technology (shenzhen) Co Ltd
Priority date: 2019-01-21
Filing date: 2019-01-21
Publication date: 2019-11-15
Anticipated expiration: 2029-01-21

Abstract

The utility model discloses a kind of immersible pumps, including the pump housing and motor being connected；The motor includes the rotor that shell, the wound stator being mounted in the shell, the filling casting glue being sealed against in the inner cavity of the wound stator and first end are rotatably provided in the wound stator inner cavity；The end cap that the second end of the rotor stretches out the shell extends in the pump housing.The immersible pump of the utility model improves sealing performance by the way that the coil of wound stator is enclosed in casting glue in wound stator inner cavity encapsulating.

Description

Immersible pump

Technical field

The utility model relates to water pump technology more particularly to a kind of immersible pumps.

Background technique

Immersible pump is as the equipment that works under water of one kind, and entire unit pulls the plug work when in use, therefore to latent The sealing performance of water pump requires high.

In existing immersible pump, the gap between rotor and stator is sealed using sealing ring, prevents water from entering In stator.In the long-term work of immersible pump, sealing ring is easy to cause leakproofness to reduce due to expanding with heat and contract with cold repeatedly, leads Cause has water to penetrate into stator, and then leads to the damage of pump.

Utility model content

The technical problem to be solved by the present invention is to provide a kind of immersible pump for improving sealing performance.

The technical scheme adopted by the utility model to solve the technical problem is as follows: providing a kind of immersible pump, including it is connected The pump housing and motor；The motor includes shell, the wound stator being mounted in the shell, filling in the wound stator Inner cavity in the casting glue that is sealed against and first end be rotatably provided in the rotor in the wound stator inner cavity；It is described The end cap that the second end of rotor stretches out the shell extends in the pump housing.

Preferably, the pump housing includes pump case and impeller；The pump case is connect with the end cap of the shell, with the end Lid has been enclosed pump chamber；The second end of the rotor is located in the pump chamber, and the impeller is arranged in the pump chamber in institute It states in the second end of rotor, is rotated with the rotor.

Preferably, the end cap is equipped with the through-hole stretched out for the second end of the rotor；Sealing is equipped in the through-hole Ring, by the gap sealing between the through-hole and rotor.

Preferably, elastic parts is also arranged in the second end of the rotor, the both ends of the elastic parts abut respectively The sealing ring and impeller.

Preferably, the elastic parts includes spring part and the washer that is arranged at described spring part one end；The pad Circle is abutted against with the sealing ring, and the other end of the spring part is abutted against with the impeller.

Preferably, sealing ring is equipped between the pump case and shell.

Preferably, the pump case is equipped with the inlet and outlet for being respectively communicated with the pump chamber.

Preferably, it is provided on the water inlet into water mesh enclosure.

Preferably, the pump case is arranged on the end of the motor in the water inlet；The water outlet setting exists On the side of the pump case.

Preferably, the immersible pump further includes support, and the support is mounted in the shell side of the motor, is made described Immersible pump forms horizontal submersible pump.

The immersible pump of the utility model, by the way that the coil of wound stator is enclosed in casting glue in wound stator inner cavity encapsulating It is interior, improve sealing performance.

In addition, driving sealing ring to begin using the elastic force of elastic parts by the cooperation of elastic parts and sealing ring on rotor It is sealed between rotor and through-hole eventually, keeps sealing.

Detailed description of the invention

Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing:

Fig. 1 is the side structure schematic diagram of the immersible pump of an embodiment of the present invention；

Fig. 2 is the schematic diagram of the section structure of the immersible pump of an embodiment of the present invention；

Fig. 3 is the explosive view of the immersible pump of an embodiment of the present invention.

Specific embodiment

For a clearer understanding of the technical features, objectives and effects of the utility model, now control attached drawing is detailed Illustrate specific embodiment of the present utility model.

As shown in Figure 1-3, the immersible pump of an embodiment of the present invention, including the pump housing 10 and motor 20 being connected.

Motor 20 includes shell 21, wound stator 22, casting glue and rotor 23.Wound stator 22 is mounted on shell 21 Interior, casting glue is filling in the inner cavity of wound stator 22, wherein by the coil closing of wound stator 22, plays the work of waterproof sealing With even if there is water to penetrate into shell 21, the coil of wound stator 22 will not be touched, not will cause the damage of wound stator 22 It is bad.

Rotor 23 includes the first end 231 and second end 232 to connect, and the first end 231 of rotor 23 is arranged in wound stator In 22 inner cavity, and it can be rotated relative to wound stator 22 and casting glue；The second end 232 of rotor 23 then stretches out the end cap of shell 21 And it extends in the pump housing 10.

Casting glue can be using filling formation of insulating resins such as epoxy resin.

Shell 21 can be matched and be formed by outer cover 212 and end cap 211.End cap 211 is equipped with through-hole 210, for rotor 23 Second end 233 stretch out.It is equipped with sealing ring 213 in through-hole 210, the gap sealing between rotor 23 and through-hole 210 can be played The sealing function of waterproof.Sealing ring 213 can be made of materials such as nitrile rubbers.

The pump housing 10 may include pump case 11 and impeller 12.Pump case 11 can be cover structure, 211 phase of end cap with shell 21 It is cooperatively connected, has been enclosed pump chamber 110 with end cap 211.The second end 232 of rotor 23 is located in pump chamber 110, and impeller 12 is pumping It is arranged in the second end 233 of rotor 23 in chamber 110, is rotated with rotor 23.

It is equipped with sealing ring 13 between pump case 11 and shell 21, realizes sealed connection between the two.

Pump case 11 is equipped with the water inlet 111 and water outlet 112 for being respectively communicated with pump chamber 110.Under 12 rotary action of impeller, Water is sucked into pump chamber 110 from water inlet 111, then is exported from water outlet 112.It is provided on water inlet 111 into water mesh enclosure 113, filtering can be played the role of, the sundries in water is blocked in outside water inlet 111.

In the present embodiment, pump case 11 is arranged on the end of motor 20 in water inlet 111, the surface phase with impeller 12 It is right；Water outlet 112 is arranged on the side of pump case 11, opposite with the circumferential end face of impeller 12.

Further, in the utility model, elastic parts 30, elastic parts are also arranged in the second end 232 of rotor 23 30 both ends abut sealing ring 213 and impeller 12 respectively, drive sealing ring 213 to be sealed in rotor 23 and through-hole always using elastic force Between 210, prevents sealing ring 213 mobile to 12 direction of impeller, keep the leakproofness between rotor 23 and through-hole 210.

Alternatively, elastic parts 30 may include spring part 31 and the washer 32 that is arranged at 31 one end of spring part.Pad Circle 32 is abutted against with sealing ring 213, and the other end and the impeller 12 of spring part 31 abut against.

In the immersible pump of the utility model, by the setting of elastic parts 30 and casting glue, realize to coiling in motor 20 The dual waterproof sealing of stator 22.

Further, the immersible pump of the utility model may also include support 40, and support 40 is mounted on the shell 21 of motor 20 On side, immersible pump is made to form horizontal submersible pump.Immersible pump can be carried out positioning in a manner of horizontal and be put by the support of support 40 It sets.

In addition, also mountable handle 50 on the shell 21 of motor 20, facilitates the carrying of immersible pump.

The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in Other related technical areas are also included in the patent protection scope of the utility model.

Claims

1. a kind of immersible pump, which is characterized in that including the pump housing (10) and motor (20) being connected；The motor (20) includes Shell (21), the wound stator (22) being mounted in the shell (21), the filling general in the inner cavity of the wound stator (22) Its casting glue sealed and first end (231) are rotatably provided in the rotor (23) in the wound stator (22) inner cavity；Institute The end cap for stating second end (232) the stretching shell (21) of rotor (23) extends in the pump housing (10).

2. immersible pump according to claim 1, which is characterized in that the pump housing (10) includes pump case (11) and impeller (12)；The pump case (11) connect with the end cap (211) of the shell (21), has been enclosed pump chamber with the end cap (211) (110)；The second end (232) of the rotor (23) is located in the pump chamber (110), and the impeller (12) is in the pump chamber (110) it is arranged in the second end (232) of the rotor (23) in, is rotated with the rotor (23).

3. immersible pump according to claim 2, which is characterized in that the end cap (211), which is equipped with, supplies the rotor (23) Second end (232) stretch out through-hole (210)；Sealing ring (213) are equipped in the through-hole (210), by the through-hole (210) and Gap sealing between rotor (23).

4. immersible pump according to claim 3, which is characterized in that be also arranged in the second end (232) of the rotor (23) The both ends of flexible component (30), the elastic parts (30) abut the sealing ring (213) and impeller (12) respectively.

5. immersible pump according to claim 4, which is characterized in that the elastic parts (30) include spring part (31) and Washer (32) at the spring part (31) one end is set；The washer (32) abuts against with the sealing ring (213), described The other end of spring part (31) is abutted against with the impeller (12).

6. immersible pump according to claim 2, which is characterized in that be equipped with sealing between the pump case (11) and shell (21) It encloses (13).

7. immersible pump according to claim 2, which is characterized in that the pump case (11) is equipped with and is respectively communicated with the pump chamber (110) water inlet (111) and water outlet (112).

8. immersible pump according to claim 7, which is characterized in that be provided on the water inlet (111) into water mesh enclosure (113).

9. immersible pump according to claim 7, which is characterized in that the water inlet (111) is arranged in the pump case (11) On the end of the motor (20)；The water outlet (112) is arranged on the side of the pump case (11).

10. -9 described in any item immersible pumps according to claim 1, which is characterized in that the immersible pump further includes support (40), The support (40) is mounted on shell (21) side of the motor (20), and the immersible pump is made to form horizontal submersible pump.