CN205154655U - Vertical multi -stage centrifugal pump - Google Patents
Vertical multi -stage centrifugal pump Download PDFInfo
- Publication number
- CN205154655U CN205154655U CN201520807473.2U CN201520807473U CN205154655U CN 205154655 U CN205154655 U CN 205154655U CN 201520807473 U CN201520807473 U CN 201520807473U CN 205154655 U CN205154655 U CN 205154655U
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- pump
- pump shaft
- mounting hole
- fixed area
- groove
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Abstract
The utility model discloses a vertical multi -stage centrifugal pump, motor cover include by outer to interior first fixed area, radiating area and second fixed area, be equipped with the mounting hole on the second fixed area, the lower extreme of mounting hole is equipped with first recess, is equipped with the bearing in the first recess, and the upper end of mounting hole is equipped with the second recess, is equipped with the skeleton oil blanket in the second recess, be equipped with the wind direction guiding gutter on the second fixed area, in the organism was placed in to the rotor, the rotor passed the mounting hole and is connected with bearing, skeleton oil blanket and fan blade respectively, driving motor passes through the shaft coupling and is connected with the rotation of drive pump shaft with the pump shaft, and in the pump case was worn to locate by the pump shaft, the axle sleeve cover was established on the pump shaft, pump shaft upper end wear to go out place through mechanical seal, mechanical seal includes that quiet ring sum arranges the rotating ring of quiet ring below in, contradicts with the pump case and be connected in the upper end of quiet ring, and the lower extreme and the axle sleeve conflict of rotating ring are connected. The utility model provides a radiating effect is good, sealed effectual and long service life's vertical multi -stage centrifugal pump.
Description
Technical field
The utility model belongs to centrifugal pump field, particularly a kind of vertical multi-stage centrifugal pump.
Background technique
Vertical multi-stage centrifugal pump is a kind of application area general hydraulic machinery very widely, and in recent years along with the develop rapidly of Chinese science and technology, the demand of vertical multistage centrifugal pump was also in continuous increase.The motor radiating weak effect of the vertical multi-stage centrifugal pump in tradition, causes its working life short.In addition, mechanical seal is provided with between the pump case of centrifugal pump and pump shaft, existing mechanical seal comprises stationary ring and rotating ring, stationary ring is fixed on pump case, rotating ring is fixed on pump shaft, rotating ring and stationary ring are near sealing, stationary ring not only will seal with pump case, but also want and ring seal, but the rotating ring in traditional centrifugal pump is because of the rotation of pump shaft, causes the closed tight not of rotating ring and stationary ring, cause its sealing effect poor, only have the connection of an end face and pump case in stationary ring traditional in addition, reduce further the seal action of mechanical seal.
Model utility content
The purpose of this utility model is overcome the deficiency existed in background technique, and the purpose of this utility model is the vertical multi-stage centrifugal pump proposing a kind of good heat dissipation effect, good sealing effect, structural stability and long service life.
For achieving the above object, the utility model adopts following scheme:
A kind of vertical multi-stage centrifugal pump, comprise drive motor, pump shaft, axle sleeve, stator, impeller, pump case and mechanical seal, drive motor comprises body, rotor, motor cover and fan blade, described motor cover comprises the first fixed area from outside to inside, heat dissipation area and the second fixed area, described second fixed area is provided with mounting hole, the lower end of mounting hole is provided with the first groove, bearing is provided with in first groove, the upper end of mounting hole is provided with the second groove, outside framework oil seal is provided with in second groove, described second fixed area is provided with wind direction guiding gutter, described rotor is placed in body, rotor through mounting hole and respectively with bearing, outside framework oil seal is connected with fan blade, fan blade is provided with blade cover, drive motor is connected to drive pump shaft to rotate by coupling with pump shaft, pump shaft is arranged in pump case, axle sleeve is set on pump shaft, stator described in several and impeller described in several are arranged on axle sleeve, described stator and described wheel space connect, pump shaft lower end is placed in the bottom of pump case, described pump case lower end is provided with inlet segment, the upper end of pump case is provided with water exit end, described pump shaft upper end is passed position and is sealed by described mechanical seal, described mechanical seal comprises stationary ring and is placed in the rotating ring below stationary ring, conflict with pump case and be connected in the upper end of stationary ring, conflict with axle sleeve and be connected in the lower end of rotating ring.
By adopting technique scheme, comprise the first fixed area from outside to inside, heat dissipation area and the second fixed area by arranging, the first fixed area is used for motor cover to be fixedly connected with body, and fan blade is dispelled the heat to body by heat dissipation area, second fixed area is used for fixed rotor, and realizes seal action.Mounting hole is provided with by arranging the second fixed area, the lower end of mounting hole is provided with the first groove, bearing is provided with in first groove, the upper end of mounting hole is provided with the second groove, is provided with outside framework oil seal in the second groove, and rotor is also connected with bearing, outside framework oil seal and fan blade respectively through mounting hole, first groove is used for bearing to fix, rotor is rotated in bearing, and the second groove is used for outside framework oil seal to fix, and makes outside framework oil seal carry out seal action to motor cover.Be provided with wind direction guiding gutter by the second fixed area, the wind that fan blade is formed flows by this wind direction guiding gutter in guiding gutter, thus well dispels the heat to body further.Comprise stationary ring by arranging mechanical seal and be placed in the rotating ring below stationary ring, conflict with pump case and be connected in the upper end of stationary ring, conflict with axle sleeve and be connected in the lower end of rotating ring, mechanical seal to be placed between pump case and axle sleeve and mechanical seal is compressed, when pump shaft is rotated, extruding tightly mutually between stationary ring and rotating ring, makes sealing effect better.
The utility model is set to further: the degree of depth of described wind direction guiding gutter is 5-8mm.The thickness of described heat dissipating layer is 2-3mm.
By adopting technique scheme, be 5-8mm by arranging the degree of depth of described wind direction guiding gutter, if this degree of depth is too little, then the radiating effect of guiding gutter to body is not ideal enough, if this degree of depth is too large, then increase its difficulty of processing, so the degree of depth limiting wind direction guiding gutter is 5-8mm, within the scope of this, make wind direction guiding gutter best to the radiating effect of body not increasing under its difficulty of processing.Be 2-3mm by arranging the thickness of heat dissipating layer, the thickness of heat dissipating layer is less, then better to the heat radiation of body, but the thickness of heat dissipating layer is too low, affect the intensity of motor cover, so the thickness limiting heat dissipating layer is 2-3mm, in this thickness range, under the intensity ensureing motor cover, make the radiating effect of heat dissipating layer to body best.
The utility model is set to further: the upper end of described pump case is provided with fixed groove, and stationary ring is placed in fixed groove, the length of stationary ring and the deep equality of fixed groove.
By adopting technique scheme, after stationary ring is placed in fixed groove, the contact jaw of stationary ring and pump case has more a side, thus makes the sealing effect of stationary ring to pump case better.By the deep equality of the length and fixed groove that arrange stationary ring, thus the sealing of stationary ring and pump case is made to reach best further.
The utility model is set to further: be provided with seal ring between described rotating ring and axle sleeve.Described first fixed area offers tapped hole.
By adopting technique scheme, being provided with seal ring by arranging between rotating ring and axle sleeve, the sealing between rotating ring and axle sleeve can be increased.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of vertical multi-stage centrifugal pump of the utility model.
Fig. 2 is the partial enlarged drawing of A in Fig. 1.
Reference character in figure: drive motor 1, pump shaft 2, axle sleeve 3, stator 4, impeller 5, pump case 6, mechanical seal 7, body 8, rotor 9, motor cover 10, fan blade 11, the first fixed area 12, heat dissipation area 13, second fixed area 14, first groove 15, second groove 16, bearing 17, outside framework oil seal 18, wind direction guiding gutter 19, inlet segment 20, water exit end 21, stationary ring 22, rotating ring 23, fixed groove 24, seal ring 25.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
With reference to figure 1 and Fig. 2, a kind of vertical multi-stage centrifugal pump, comprise drive motor 1, pump shaft 2, axle sleeve 3, stator 4, impeller 5, pump case 6 and mechanical seal 7, drive motor 1 comprises body 8, rotor 9, motor cover 10 and fan blade 11, described motor cover 10 comprises the first fixed area 12 from outside to inside, heat dissipation area 13 and the second fixed area 14, described second fixed area 14 is provided with mounting hole, the lower end of mounting hole is provided with the first groove 15, bearing 17 is provided with in first groove 15, the upper end of mounting hole is provided with the second groove 16, outside framework oil seal 18 is provided with in second groove 16, described second fixed area 14 is provided with wind direction guiding gutter 19, described rotor 9 is placed in body 8, rotor 9 through mounting hole and respectively with bearing 17, outside framework oil seal 18 is connected with fan blade 11, fan blade 11 is provided with fan blade 11 to cover, drive motor 1 is connected to drive pump shaft 2 to rotate with pump shaft 2 by coupling, pump shaft 2 is arranged in pump case 6, axle sleeve 3 is set on pump shaft 2, stator 4 described in several and impeller 5 described in several are arranged on axle sleeve 3, described stator 4 and described impeller 5 interval connect, pump shaft 2 lower end is placed in the bottom of pump case 6, described pump case 6 lower end is provided with inlet segment 20, the upper end of pump case 6 is provided with water exit end 21, described pump shaft 2 upper end is passed position and is sealed by described mechanical seal 7, the rotating ring 23 that described mechanical seal 7 comprises stationary ring 22 and is placed in below stationary ring 22, conflict with pump case 6 and be connected in the upper end of stationary ring 22, conflict with axle sleeve 3 and be connected in the lower end of rotating ring 23.
By adopting technique scheme, the first fixed area 12 from outside to inside, heat dissipation area 13 and the second fixed area 14 is comprised by arranging, first fixed area 12 is for being fixedly connected with motor cover 10 with body 8, fan blade 11 is dispelled the heat by 13 pairs, heat dissipation area body 8, second fixed area 14 for fixed rotor 9, and realizes seal action.Mounting hole is provided with by arranging the second fixed area 14, the lower end of mounting hole is provided with the first groove 15, bearing 17 is provided with in first groove 15, the upper end of mounting hole is provided with the second groove 16, outside framework oil seal 18 is provided with in second groove 16, rotor 9 is also connected with bearing 17, outside framework oil seal 18 and fan blade 11 respectively through mounting hole, first groove 15 is for fixing bearing 17, rotor 9 is rotated in bearing 17, second groove 16, for being fixed by outside framework oil seal 18, makes outside framework oil seal 18 pairs of motor cover 10 carry out seal action.Be provided with wind direction guiding gutter 19 by the second fixed area 14, the wind that fan blade 11 is formed flows by this wind direction guiding gutter 19 in guiding gutter, thus well dispels the heat to body 8 further.By arranging the rotating ring 23 that mechanical seal 7 comprises stationary ring 22 and is placed in below stationary ring 22, conflict with pump case 6 and be connected in the upper end of stationary ring 22, conflict with axle sleeve 3 and be connected in the lower end of rotating ring 23, mechanical seal 7 to be placed between pump case 6 and axle sleeve 3 and mechanical seal 7 is compressed, when pump shaft 2 is rotated, extruding tightly mutually between stationary ring 22 and rotating ring 23, makes sealing effect better.
The utility model is set to further: the degree of depth of described wind direction guiding gutter 19 is 5-8mm.The thickness of described heat dissipating layer is 2-3mm.
By adopting technique scheme, be 5-8mm by arranging the degree of depth of described wind direction guiding gutter 19, if this degree of depth is too little, then the radiating effect of guiding gutter to body 8 is not ideal enough, if this degree of depth is too large, then increase its difficulty of processing, so the degree of depth limiting wind direction guiding gutter 19 is 5-8mm, within the scope of this, do not increase the radiating effect the best making wind direction guiding gutter 19 pairs of bodies 8 under its difficulty of processing.Be 2-3mm by arranging the thickness of heat dissipating layer, the thickness of heat dissipating layer is less, then better to the heat radiation of body 8, but the too low intensity then affecting motor cover 10 of the thickness of heat dissipating layer, so the thickness limiting heat dissipating layer is 2-3mm, in this thickness range, under the intensity ensureing motor cover 10, make the radiating effect of heat dissipating layer to body 8 best.
The utility model is set to further: the upper end of described pump case 6 is provided with fixed groove 24, and stationary ring 22 is placed in fixed groove 24, the length of stationary ring 22 and the deep equality of fixed groove 24.
By adopting technique scheme, after stationary ring 22 is placed in fixed groove 24, stationary ring 22 has more a side with the contact jaw of pump case 6, thus makes the sealing effect of stationary ring 22 pairs of pump cases 6 better.By the deep equality of the length and fixed groove 24 that arrange stationary ring 22, thus stationary ring 22 and the sealing of pump case 6 is made to reach best further.
The utility model is set to further: be provided with seal ring 25 between described rotating ring 23 and axle sleeve 3.Described first fixed area 12 offers tapped hole.
By adopting technique scheme, being provided with seal ring 25 by arranging between rotating ring 23 and axle sleeve 3, the sealing between rotating ring 23 and axle sleeve 3 can be increased.
The foregoing is only preferred embodiment of the present utility model, is not restriction with the present embodiment, all make within spirit of the present utility model and principle any amendment, equivalent to replace or improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. a vertical multi-stage centrifugal pump, it is characterized in that: comprise drive motor, pump shaft, axle sleeve, stator, impeller, pump case and mechanical seal, drive motor comprises body, rotor, motor cover and fan blade, described motor cover comprises the first fixed area from outside to inside, heat dissipation area and the second fixed area, described second fixed area is provided with mounting hole, the lower end of mounting hole is provided with the first groove, bearing is provided with in first groove, the upper end of mounting hole is provided with the second groove, outside framework oil seal is provided with in second groove, described second fixed area is provided with wind direction guiding gutter, described rotor is placed in body, rotor through mounting hole and respectively with bearing, outside framework oil seal is connected with fan blade, fan blade is provided with blade cover, drive motor is connected to drive pump shaft to rotate by coupling with pump shaft, pump shaft is arranged in pump case, axle sleeve is set on pump shaft, stator described in several and impeller described in several are arranged on axle sleeve, described stator and described wheel space connect, pump shaft lower end is placed in the bottom of pump case, described pump case lower end is provided with inlet segment, the upper end of pump case is provided with water exit end, described pump shaft upper end is passed position and is sealed by described mechanical seal, described mechanical seal comprises stationary ring and is placed in the rotating ring below stationary ring, conflict with pump case and be connected in the upper end of stationary ring, conflict with axle sleeve and be connected in the lower end of rotating ring.
2. a kind of vertical multi-stage centrifugal pump according to claim 1, is characterized in that: the degree of depth of described wind direction guiding gutter is 5-8mm.
3. a kind of vertical multi-stage centrifugal pump according to claim 2, is characterized in that: the thickness of described heat dissipating layer is 2-3mm.
4. a kind of vertical multi-stage centrifugal pump according to claim 3, it is characterized in that: the upper end of described pump case is provided with fixed groove, stationary ring is placed in fixed groove, the length of stationary ring and the deep equality of fixed groove.
5. a kind of vertical multi-stage centrifugal pump according to claim 4, is characterized in that: be provided with seal ring between described rotating ring and axle sleeve.
6. a kind of vertical multi-stage centrifugal pump according to claim 5, is characterized in that: described first fixed area offers tapped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520807473.2U CN205154655U (en) | 2015-10-19 | 2015-10-19 | Vertical multi -stage centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520807473.2U CN205154655U (en) | 2015-10-19 | 2015-10-19 | Vertical multi -stage centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205154655U true CN205154655U (en) | 2016-04-13 |
Family
ID=55690358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520807473.2U Expired - Fee Related CN205154655U (en) | 2015-10-19 | 2015-10-19 | Vertical multi -stage centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205154655U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111810416A (en) * | 2020-07-27 | 2020-10-23 | 温州威森机电有限公司 | Cooling circulation high-pressure pump |
-
2015
- 2015-10-19 CN CN201520807473.2U patent/CN205154655U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111810416A (en) * | 2020-07-27 | 2020-10-23 | 温州威森机电有限公司 | Cooling circulation high-pressure pump |
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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: 20160413 Termination date: 20161019 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |