CN213744030U - Long service life's immersible pump - Google Patents
Long service life's immersible pump Download PDFInfo
- Publication number
- CN213744030U CN213744030U CN202022512302.0U CN202022512302U CN213744030U CN 213744030 U CN213744030 U CN 213744030U CN 202022512302 U CN202022512302 U CN 202022512302U CN 213744030 U CN213744030 U CN 213744030U
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- bearing
- rotor shaft
- ring
- fixed
- fixing groove
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- 238000007789 sealing Methods 0.000 claims description 17
- 230000003014 reinforcing effect Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a long service life's immersible pump relates to immersible pump technical field, and its technical scheme main points are: the submersible pump comprises a pump body, a stator coil, a rotor shaft, an upper fixing plate and a lower fixing plate, wherein the upper fixing plate is fixed at the upper end of the pump body, the stator coil is fixed in the pump body, the rotor shaft is rotatably arranged in the stator coil, a first fixing groove is formed in the upper fixing plate, an upper bearing is arranged in the first fixing groove and is connected with the upper end of the rotor shaft, the lower fixing plate is fixed at the lower end of the pump body, a second fixing groove is formed in the lower fixing plate, a first plane bearing and a lower bearing are arranged in the second fixing groove, a first limiting part and a second limiting part are arranged in the second fixing groove, the first limiting part is used for limiting the lower ring of the first plane bearing, and the second limiting part is used for limiting the outer ring of the second lower bearing; the rotor shaft is provided with a first positioning part and a second positioning part, the first positioning part is fixed with the inner ring of the lower bearing, the second positioning part is tightly pressed on the inner ring of the lower bearing, and the inner ring of the lower bearing is tightly abutted to the upper ring of the first plane bearing.
Description
Technical Field
The utility model relates to a immersible pump technical field, in particular to long service life's immersible pump.
Background
The submersible pump is a water pump in which an impeller and a motor (a stator coil and a rotor shaft) for driving the impeller are submerged and work, and is roughly divided into a deep well and a working surface.
Immersible pump among the prior art includes the pump body, stator coil, the rotor shaft, an upper fixed plate, bottom plate and impeller, an upper fixed plate fixed connection is in pump body upper end, stator coil is fixed in the pump body, the rotor shaft rotates and sets up in stator coil, the upper end of rotor shaft is passed through the upper bearing and is connected with an upper fixed plate, bottom plate fixed connection is in pump body lower extreme, the lower extreme of rotor shaft runs through the bottom plate and is connected with the impeller, and the lower extreme of rotor shaft passes through the bottom bearing and is connected with the bottom plate, the rotor shaft passes through the upper bearing and realizes the location with the bottom bearing promptly, thereby guarantee that the coil can drive.
The applicant finds that the submersible pump is generally vertically placed, the rotor shaft is not in contact with the stator coil, and gravity (the weight of the rotor shaft, the lower bearing and the impeller) acts on the lower fixing plate, so that the lower end face of the inner ring of the lower bearing is easy to rub against the lower fixing plate, and normal rotation of the rotor shaft is affected; if set up the clearance of stepping down between lower bearing and the bottom plate, the bottom plate is only fixed with the outer lane of lower bearing promptly, and gravity (the weight of rotor shaft, lower bearing and impeller) then acts on the inner circle of lower bearing for the inner circle of lower bearing and rotor shaft all shift downwards, and the rotor shaft does not work in preset position for a long time, influences the life of immersible pump very easily.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a long service life's immersible pump, it has the advantage that can effectively improve immersible pump life.
The above technical purpose of the present invention can be achieved by the following technical solutions: a long-service life submersible pump comprises a pump body, a stator coil, a rotor shaft, an upper fixing plate and a lower fixing plate, the upper fixing plate is fixedly connected with the upper end of the pump body, the stator coil is fixed in the pump body, the rotor shaft is rotatably arranged in the stator coil, the lower end of the upper fixing plate is provided with a first fixing groove, an upper bearing is arranged in the first fixing groove, the upper bearing is connected with the upper end of the rotor shaft, the lower fixing plate is fixed at the lower end of the pump body, the upper end of the lower fixing plate is provided with a fixing groove II, a plane bearing I and a lower bearing are superposed in the fixing groove II, a first limiting part and a second limiting part are arranged in the second fixing groove, the first limiting part limits the lower ring of the first planar bearing, and the second limiting part limits the outer ring of the lower bearing; the lower end of the rotor shaft can sequentially penetrate through the lower bearing and the first plane bearing, a first positioning portion and a second positioning portion are arranged on the rotor shaft, the first positioning portion is fixed with the inner ring of the lower bearing, the second positioning portion is tightly pressed on the inner ring of the lower bearing, and the inner ring of the lower bearing is tightly abutted to the upper ring of the first plane bearing.
Through the technical scheme, the outer rings of the pair of upper bearings of the fixing groove are limited, the limiting parts in the fixing groove II are limited by the lower ring of the pair of planar bearings I, and the limiting parts in the fixing groove II are limited by the outer rings of the pair of lower bearings; the upper end of the rotor shaft is inserted into the upper bearing, the lower end of the rotor shaft sequentially penetrates through the inner ring of the lower bearing and the first plane bearing, the first positioning part on the rotor shaft is fixed with the inner ring of the lower bearing, and the second positioning part on the rotor shaft is tightly pressed on the inner ring of the lower bearing, so that the inner ring of the lower bearing is tightly abutted against the upper ring of the first plane bearing, namely the pair of lower bearings of the plane bearing and the rotor bearing are axially limited; when the rotor shaft rotates, the rotor shaft can drive the inner ring of the upper bearing, the inner ring of the lower bearing and the upper ring of the first plane bearing to synchronously rotate, so that the normal rotation of the rotor shaft is ensured; because the gravity of the rotor shaft and the lower bearing acts on the upper ring of the first plane bearing, the rotor shaft is difficult to displace downwards, and therefore the rotor shaft is guaranteed to work in a preset position all the time.
Preferably, the upper ring of the first plane bearing is fixed with the first positioning part.
Through the technical scheme, the upper ring of the first plane bearing is fixed with the first positioning part on the rotor shaft, so that the upper ring of the first plane bearing can synchronously rotate with the rotor shaft and the inner ring of the lower bearing, and the inner ring of the lower bearing and the upper ring of the first plane bearing are not easily abraded.
Preferably, the lower ring of the first plane bearing abuts against the groove bottom of the first fixed groove.
Through the technical scheme, the lower ring of the first plane bearing is in surface contact with the groove bottom of the first fixed groove, so that the stability of the first plane bearing is effectively guaranteed, and the inner ring of the lower bearing can be stably placed on the first plane bearing.
Preferably, the first limiting part and the second limiting part are integrally formed, the inner diameter of the first limiting part is smaller than that of the second limiting part, the outer ring of the first plane bearing is matched with the first limiting part, and the lower ring of the lower bearing is matched with the second limiting part.
Through the technical scheme, the first limiting part and the second limiting part are integrally formed, so that the structural strength of the lower fixing plate is improved; the inner diameter of the first limiting part is smaller than that of the second limiting part, the first plane bearing is matched with the first limiting part, and the lower bearing is matched with the second limiting part, so that the upper ring of the first plane bearing is only abutted against the inner ring of the lower bearing, and the upper ring of the first plane bearing is prevented from being abraded with the outer ring of the lower bearing.
Preferably, the bottom of the second fixing groove is provided with a dismounting hole.
Through the technical scheme, the arrangement of the dismounting holes is convenient for dismounting the first plane bearing in the second fixing groove, and recycling of the first plane bearing is facilitated.
Preferably, the lower end of the lower fixing plate is fixed with a base, a third fixing groove is formed in the base, the lower end of the rotor shaft penetrates through the third fixing groove, a second plane bearing is arranged in the third fixing groove, the third fixing groove limits the lower ring of the second plane bearing, a positioning groove is formed in the outer wall, close to the second plane bearing, of the rotor shaft, a clamp spring is arranged in the positioning groove, and the lower end face of the clamp spring abuts against the upper ring of the second plane bearing.
Through above-mentioned technical scheme, the jump ring joint is in the constant head tank, and the lower extreme of rotor shaft passes two backs of planar bearing, and the lower terminal surface of jump ring supports tightly in the upper ring of planar bearing two for two pairs of rotor shaft axial of planar bearing are spacing, and the rotor shaft is difficult to the downward displacement promptly, have further increased the axial spacing to the rotor shaft.
Preferably, a sealing sleeve is arranged on the rotor bearing, the lower end of the sealing sleeve is attached to the upper end face of the clamp spring, and the upper end of the sealing sleeve is tightly abutted to the lower end face of the lower fixing plate.
Through the technical scheme, the sealing performance inside the pump body is guaranteed due to the arrangement of the sealing sleeve.
Preferably, the upper end of the sealing sleeve blocks the disassembly hole.
Through above-mentioned technical scheme, the seal cover will dismantle the hole and block up, has further guaranteed the inside leakproofness of pump body.
Preferably, the upper end of the base is integrally formed with a reinforcing protrusion, and the fixing grooves are formed in the reinforcing protrusion in three openings.
Through above-mentioned technical scheme, strengthen bellied setting, guaranteed the structural strength of base, further increased the life of this immersible pump.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the submersible pump in the embodiment (the stator coil and the rotor shaft are omitted);
FIG. 2 is a schematic diagram of the full-section structure of the submersible pump in the embodiment;
FIG. 3 is an exploded view of the rotor shaft in the embodiment;
FIG. 4 is a schematic view of the full cross-section of FIG. 3;
FIG. 5 is an external view of a lower bearing in the embodiment;
fig. 6 is an exploded view of the first planar bearing in the embodiment.
Reference numerals: 100. a pump body; 200. a stator coil; 300. a rotor shaft; 310. a first positioning part; 320. a second positioning part; 330. positioning a groove; 331. a clamp spring; 340. sealing sleeves; 400. an upper fixing plate; 410. a first fixing groove; 420. an upper bearing; 500. a lower fixing plate; 510. a second fixing groove; 511. a first limiting part; 512. a second limiting part; 513. disassembling the hole; 520. a first plane bearing; 530. a lower bearing; 600. a base; 610. fixing grooves III; 620. a second plane bearing; 630. and a reinforcing protrusion.
Detailed Description
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
The present invention will be described in further detail with reference to the accompanying drawings.
A submersible pump with long service life is disclosed, as shown in fig. 1 to 6, the submersible pump comprises a pump body 100, a stator coil 200, a rotor shaft 300, an upper fixing plate 400 and a lower fixing plate 500, wherein the upper fixing plate 400 is inserted or bolted to the upper end of the pump body 100, the stator coil 200 is fixed in the pump body 100, the rotor shaft 300 is rotatably arranged in the stator coil 200, the lower end of the upper fixing plate 400 is provided with a first fixing groove 410, the first fixing groove 410 is coaxially arranged with the rotor shaft 300, an upper bearing 420 is inserted in the first fixing groove 410, an inner ring of the upper bearing 420 is inserted and connected with the upper end of the rotor shaft 300, the lower fixing plate 500 is bolted to the lower end of the pump body 100, the upper end of the lower fixing plate 500 is provided with a second fixing groove 510, a first plane bearing 520 and a lower bearing 530 are superposed in the second fixing groove 510, a first limit part 511 and a second limit part 512 are arranged in the second fixing groove 510, the first limit part 511 limits the lower ring of the first plane bearing 520, the second limiting part 512 limits the outer ring of the lower bearing 530; the lower end of the rotor shaft 300 can sequentially pass through the lower bearing 530 and the first flat bearing 520, the rotor shaft 300 is provided with a first positioning portion 310 and a second positioning portion 320, the first positioning portion 310 is fixed with the inner ring of the lower bearing 530, the second positioning portion 320 is pressed against the inner ring of the lower bearing 530, and the inner ring of the lower bearing 530 is tightly abutted to the upper ring of the first flat bearing 520.
Preferably, the upper ring of the first plane bearing 520 is inserted into the first positioning portion 310, and the upper ring of the first plane bearing 520 is fixed by interference fit with the first positioning portion 310.
The lower ring of the first plane bearing 520 abuts against the groove bottom of the first fixing groove 410.
The first limiting part 511 and the second limiting part 512 are integrally formed, the inner diameter of the first limiting part 511 is smaller than that of the second limiting part 512, the outer ring of the first plane bearing 520 is matched with the first limiting part 511, and the outer ring of the first plane bearing 520 is in interference fit with the first limiting part 511; the lower ring of the lower bearing 530 is matched with the second limiting part 512, and the lower ring of the lower bearing 530 is in interference fit with the second limiting part 512.
The second fixing groove 510 is provided with at least two dismounting holes 513 at the bottom of the second fixing groove, and the dismounting holes 513 are symmetrically arranged at the bottom of the second fixing groove 510.
The lower end of the lower fixing plate 500 is fixed with a base 600, a third fixing groove 610 is formed in the base 600, the third fixing groove 610 and the rotor shaft 300 are coaxially arranged, the lower end of the rotor shaft 300 penetrates through the third fixing groove 610, a second plane bearing 620 is arranged in the third fixing groove 610, the third fixing groove 610 limits the lower ring of the second plane bearing 620, the rotor shaft 300 is close to the outer wall of the second plane bearing 620 and is provided with a positioning groove 330, a clamp spring 331 is clamped in the positioning groove 330, and the lower end face of the clamp spring 331 abuts against the upper ring of the second plane bearing 620.
The rotor shaft 300 is provided with a sealing sleeve 340, the lower end face of the sealing sleeve 340 is attached to the upper end face of the clamp spring 331, the upper end face of the sealing sleeve 340 is tightly abutted to the lower end face of the lower fixing plate 500, and the upper end of the sealing sleeve 340 can block the dismounting hole 513.
Preferably, a reinforcing protrusion 630 is integrally formed at the upper end of the base 600, and the fixing groove 610 is opened on the reinforcing protrusion 630.
The working principle of the submersible pump with long service life is as follows:
the first fixing groove 410 limits the outer ring of the upper bearing 420, the first limiting part 511 in the second fixing groove 510 limits the lower ring of the first plane bearing 520, and the second limiting part 512 in the second fixing groove 510 limits the outer ring of the lower bearing 530; the upper end of the rotor shaft 300 is inserted into the inner ring of the upper bearing 420, the lower end of the rotor shaft 300 sequentially passes through the inner ring of the lower bearing 530, the first plane bearing 520, the sealing sleeve 340 and the second plane bearing 620, the first positioning part 310 on the rotor shaft 300 is in interference fit with the inner ring of the lower bearing 530 and the upper ring of the first plane bearing 520, and the second positioning part 320 on the rotor shaft 300 is pressed on the inner ring of the lower bearing 530, so that the inner ring of the lower bearing 530 is pressed on the upper ring of the first plane bearing 520, that is, the first plane bearing 520 axially limits the lower bearing 530 and the rotor shaft 300;
meanwhile, after the lower end of the rotor shaft 300 passes through the sealing sleeve 340, the clamp spring 331 is clamped in the positioning groove 330, and after the lower end of the rotor shaft 300 passes through the second plane bearing 620, the lower end face of the clamp spring 331 abuts against the upper ring of the second plane bearing 620, so that the second plane bearing 620 axially limits the rotor shaft 300, namely, the rotor shaft 300 is difficult to displace downwards.
The first limiting part 511 and the second limiting part 512 ensure that the lower bearing 530 and the first plane bearing 520 are fixed, the rotation concentricity of the rotor shaft 300 is improved, the rotation is more stable, and the rotor shaft 300 and the lower bearing 530 are difficult to be accidentally worn; the clamp spring 331 positions the rotor shaft 300 for the second time, so that the rotor shaft 300 is ensured to work in a preset position all the time, and the purpose of prolonging the service life of the submersible pump is achieved.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.
Claims (9)
1. The utility model provides a long service life's immersible pump, immersible pump includes the pump body (100), stator coil (200), rotor shaft (300), an upper fixed plate (400) and bottom plate (500), an upper fixed plate (400) fixed connection in the pump body (100) upper end, stator coil (200) are fixed in the pump body (100), rotor shaft (300) rotate set up in stator coil (200), fixed slot (410) have been seted up to the lower extreme of an upper fixed plate (400), be provided with upper bearing (420) in fixed slot (410), just upper bearing (420) with the upper end of rotor shaft (300) is connected, bottom plate (500) are fixed in the lower extreme of the pump body (100), its characterized in that: a second fixing groove (510) is formed in the upper end of the lower fixing plate (500), a first plane bearing (520) and a second plane bearing (530) are arranged in the second fixing groove (510) in a superposed mode, a first limiting portion (511) and a second limiting portion (512) are arranged in the second fixing groove (510), the first limiting portion (511) limits the lower ring of the first plane bearing (520), and the second limiting portion (512) limits the outer ring of the lower bearing (530); the lower end of the rotor shaft (300) can sequentially penetrate through the lower bearing (530) and the first plane bearing (520), a first positioning portion (310) and a second positioning portion (320) are arranged on the rotor shaft (300), the first positioning portion (310) is fixed with an inner ring of the lower bearing (530), the second positioning portion (320) is pressed on the inner ring of the lower bearing (530), and the inner ring of the lower bearing (530) is tightly abutted to an upper ring of the first plane bearing (520).
2. A long-life submersible pump according to claim 1, wherein: the upper ring of the first plane bearing (520) is fixed with the first positioning part (310).
3. A long-life submersible pump according to claim 2, wherein: the lower ring of the first plane bearing (520) abuts against the groove bottom of the first fixing groove (410).
4. A long-life submersible pump according to claim 3, wherein: the first limiting part (511) and the second limiting part (512) are integrally formed, the inner diameter of the first limiting part (511) is smaller than that of the second limiting part (512), the outer ring of the first plane bearing (520) is matched with the first limiting part (511), and the lower ring of the lower bearing (530) is matched with the second limiting part (512).
5. A long-life submersible pump according to claim 4, wherein: and a dismounting hole (513) is formed at the bottom of the second fixing groove (510).
6. A long-life submersible pump according to claim 5, wherein: the lower extreme of bottom plate (500) is fixed with base (600), fixed slot three (610) has been seted up on base (600), the lower extreme of rotor shaft (300) runs through fixed slot three (610), just be provided with flat bearing two (620) in fixed slot three (610), just fixed slot three (610) are right the lower circle of flat bearing two (620) is spacing, rotor shaft (300) are close to flat bearing two (620) the outer wall has seted up constant head tank (330), be provided with jump ring (331) in constant head tank (330), the lower terminal surface of jump ring (331) support tightly in the upper circle of flat bearing two (620).
7. A long-life submersible pump according to claim 6, wherein: the rotor shaft (300) is provided with a sealing sleeve (340), the lower end of the sealing sleeve (340) is attached to the upper end face of the clamp spring (331), and the upper end of the sealing sleeve (340) is tightly attached to the lower end face of the lower fixing plate (500).
8. A long-life submersible pump according to claim 7, wherein: the upper end of the sealing sleeve (340) blocks the dismounting hole (513).
9. A long-life submersible pump according to claim 6, wherein: the upper end integrated into one piece of base (600) has and strengthens arch (630), fixed slot three (610) is seted up strengthen protruding (630) on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022512302.0U CN213744030U (en) | 2020-11-04 | 2020-11-04 | Long service life's immersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022512302.0U CN213744030U (en) | 2020-11-04 | 2020-11-04 | Long service life's immersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213744030U true CN213744030U (en) | 2021-07-20 |
Family
ID=76819060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022512302.0U Expired - Fee Related CN213744030U (en) | 2020-11-04 | 2020-11-04 | Long service life's immersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213744030U (en) |
-
2020
- 2020-11-04 CN CN202022512302.0U patent/CN213744030U/en not_active Expired - Fee Related
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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: 20210720 |