CN208966625U - Height diving performance vertical shaft immersible pump - Google Patents
Height diving performance vertical shaft immersible pump Download PDFInfo
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- CN208966625U CN208966625U CN201821165897.3U CN201821165897U CN208966625U CN 208966625 U CN208966625 U CN 208966625U CN 201821165897 U CN201821165897 U CN 201821165897U CN 208966625 U CN208966625 U CN 208966625U
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- shaft
- sealing shroud
- fixed
- ring
- stationary ring
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Abstract
The utility model discloses a kind of high diving performance vertical shaft immersible pumps, it is related to pump technical field, its key points of the technical solution are that: including motor casing and pump case, motor cavity is equipped in motor casing, rotation is provided with shaft, impeller is fixed in shaft, it is arranged in shaft and is fixed with rotating ring, the sealing shroud and stationary ring that can be rotated relative to shaft are arranged with outside shaft, sealing shroud has elasticity；The both ends of sealing shroud are fixedly connected with stationary ring, motor casing respectively, and sealing shroud separates motor cavity and shaft hole, are arranged with outside shaft and stationary ring is driven to push against in the spring of rotating ring.The sealing shroud and stationary ring of this immersible pump can automatically adjust pressing force according to hydraulic pressure, and the hydraulic pressure of deep water is also not easy to break through sealing structure, and motor is hardly damaged；And the dismounting of sealing structure is more convenient；By setting guide rod and compression ring, the good airproof performance of sealing structure, stability are high；By the way that pod is arranged, the flow condition of immersible pump is improved, is conducive to reduce vibration, reduces energy consumption.
Description
Technical field
The utility model relates to pump technical field, in particular to a kind of high diving performance vertical shaft immersible pump.
Background technique
Immersible pump is one kind of pump, and immersible pump is generally driven by a motor impeller rotation, water is pumped into from suction inlet and from row
Work of drawing water is completed in outlet discharge, and the motor of immersible pump and the external world have good leakproofness, and immersible pump can be completely immersed in water
Work.
Existing Authorization Notice No. is that the Chinese invention patent of CN104179710B discloses a kind of immersible pump, including the pump housing,
Set on intracorporal motor and impeller is pumped, inlet and outlet are provided on the pump housing, motor output shaft stretches out downward and and impeller
Central axis is connected.
According to the Figure of description 1 of the invention, motor output shaft is established by sealing element and the pump housing and is sealed, but sealing element is made
Power for motor output shaft is fixed value, and when immersible pump is when deeper waters works, there are higher hydraulic pressure to be easy to break through
Sealing element and then the defect for damaging motor.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of high diving performance vertical shafts to dive under water
Pump, the hydraulic pressure of deep water are also not easy to break through sealing structure, and motor is hardly damaged.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of high diving performance is vertical
Axis immersible pump is equipped with motor cavity including the motor casing and pump case being fixedly connected, in the motor casing, rotation is provided with shaft, institute
The shaft hole for offering on motor casing and being pierced by for shaft is stated, the end that the shaft is located in pump case is coaxially fixed with impeller, institute
It states to be arranged in shaft and is fixed with rotating ring, the sealing shroud and stationary ring that can be rotated relative to shaft are arranged with outside the shaft, it is described close
Big envelope has elasticity, and the internal diameter of the stationary ring and the outer diameter of shaft are identical, and the stationary ring can sliding axially along shaft；It is described close
The both ends of big envelope are fixedly connected with stationary ring, motor casing respectively, and the sealing shroud separates motor cavity and shaft hole, outside the shaft
It is arranged with and stationary ring is driven to push against in the spring of rotating ring.
Through the above technical solutions, under normal circumstances, stationary ring is pressed on rotating ring by the elastic force of spring, between the two close
Envelope meets requirement.When immersible pump is run in deep water, higher hydraulic pressure is acted on sealing shroud by shaft hole, the pressure
Air pressure in power and motor cavity forms pressure difference, then hydraulic pressure can make sealing shroud generate the trend expanded, and stationary ring acts on supporting for rotating ring
Clamp force increases, and improves sealing effect；And the depth of water is deeper, and it is bigger to push against power.To sum up, when immersible pump works in deeper waters
When, higher hydraulic pressure is also not easy to break through sealing structure, and motor is hardly damaged.
Preferably, the motor casing includes the end cap close to pump case side, and the end cap and motor casing ontology pass through bolt
Fixed, the shaft hole is located on end cap, and the sealing shroud is fixed on end cap.
Through the above technical solutions, end cap can be dismounted easily, after end cap is removed, motor cavity is in open-like shape
State, stationary ring, rotating ring, sealing shroud also can be dismounted easily.
Preferably, multiple recirculation holes are offered on the end cap, the recirculation hole will be in the set of pump case inner cavity and sealing shroud
Space connection.
Through the above technical solutions, recirculation hole improves circulation of the water between the sleeving inner space and pump case inner cavity of sealing shroud
Effect, it is ensured that water pressure energy directly acts on sealing shroud.
Preferably, the sealing shroud includes the fixed part abutted with end cap, and the fixed part is set on the end face of end cap
It is equipped with compression ring, the compression ring is fixed by bolts on end cap, and fixed part is compressed and sealed by the compression ring.
Through the above technical solutions, fixed part is pressed on end cap by compression ring, formed between fixed part and end cap reliable
Sealing；Since the stubborn head of bolt offsets with compression ring, pressing force is transferred on fixed part by compression ring in the form of face contact, then
Fixed part is unlikely to deform damage, and sealing effect is preferable.
Preferably, guide rod is fixed on the motor casing, the length direction of the guide rod is axial parallel with shaft,
The guide rod passes through stationary ring and is slidably connected with stationary ring foundation.
Through the above technical solutions, guide rod is slidably connected with stationary ring foundation, guide rod is used to improve the stability of stationary ring,
Stationary ring is further prevented to generate shaking.
Preferably, it is arranged outside the shaft and is fixed with rotating seat, the rotating ring is fixed on rotating seat.
Through the above technical solutions, rotating ring is fixed by rotating seat and shaft, rotating seat may be configured as longer length, make
Rotating seat and shaft have biggish contact area, improve bonding strength between the two and sealing performance.
Preferably, suction inlet is offered on the pump case, the side that the pump case is located at suction inlet is fixed with pod, institute
It states face suction inlet on pod and offers flow-guiding mouth.
Through the above technical solutions, suction inlet generates suction, and water is driven to enter in pump case when impeller operation；Flow-guiding mouth
Good guiding role is played for water flow, vortex is generated when prevented to a certain extent into water, improves the flow condition of immersible pump,
Conducive to reduction vibration, reduce energy consumption.
Preferably, intermediate mass is fixed in the flow-guiding mouth, the intermediate mass blocks the end of shaft.
Through the above technical solutions, the flow-guiding mouth for being equipped with intermediate mass is consistent with the flow direction of water flow, water conservancy diversion is further improved
The guiding role to water is covered, flow condition is improved.
In conclusion the utility model having the beneficial effect that in contrast to the prior art
1, the hydraulic pressure of deep water is also not easy to break through sealing structure, and motor is hardly damaged；
2, by setting end cap, the dismounting of sealing structure is facilitated；
3, by setting guide rod and compression ring, the good airproof performance of sealing structure, stability are high；
4, by setting pod, the flow condition of immersible pump is improved, is conducive to reduce vibration, reduces energy consumption.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the high diving performance vertical shaft immersible pump of embodiment, mainly protrudes the overall mechanism of this immersible pump；
Fig. 2 is enlarged drawing at the A of Fig. 1, mainly protrudes the structure of end cap, rotating ring, sealing shroud, stationary ring；
Fig. 3 is the B-B cross-sectional view of the pod of Fig. 1, the structure of main prominent flow-guiding mouth and connecting plate.
Appended drawing reference: 1, motor casing；2, pump case；11, motor cavity；3, shaft；31, impeller；21, suction inlet；12, end cap；
121, shaft hole；122, recirculation hole；41, rotating seat；4, rotating ring；51, sealing shroud；5, stationary ring；111, guide rod；511, fixed
Portion；52, compression ring；53, spring；6, pod；61, flow-guiding mouth；62, intermediate mass；63, connecting plate.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
As shown in Figure 1, a kind of high diving performance vertical shaft immersible pump, including the motor casing 1 and pump case 2 being fixedly connected, motor
Motor cavity 11 is equipped in shell 1, rotation is provided with shaft 3.Wherein motor cavity 11 is connected state for placing motor, motor cavity 11
And keep internally dry；The end of shaft 3 penetrates in pump case 2 and is coaxially fixed with impeller 31, and pump case 2 deviates from the end of motor casing 1
Face center offers suction inlet 21.
As depicted in figs. 1 and 2, motor casing 1 includes the end cap 12 close to 2 side of pump case, and end cap 12 and 1 ontology of motor casing are logical
It crosses bolt to fix, the shaft hole 121 being pierced by for shaft 3 is offered on end cap 12, is also provided with multiple recirculation holes on end cap 12
122, multiple recirculation holes 122 are located at the circumferential position of shaft hole 121, and 2 inner cavity of pump case is connected to by recirculation hole 122 with motor cavity 11.
It is located to be arranged in motor cavity 11 in shaft 3 and is fixed with rotating seat 41, rotating seat 41 passes through inner wall and the close phase of shaft 3
It supports and establishes sealing.Rotating seat 41 is towards being fixed with rotating ring 4 on the end face of end cap 12.Also being arranged with outside shaft 3 can be relative to turning
The sealing shroud 51 and stationary ring 5 that axis 3 rotates, sealing shroud 51 and stationary ring 5 are respectively positioned between rotating ring 4 and end cap 12.Stationary ring 5 can be along shaft
3 slide axially, and the internal diameter of stationary ring 5 is identical as the outer diameter of shaft 3, and the contact surface of the two possess by precise finiss it is higher
Dimensional accuracy is not easy into water between stationary ring 5 and shaft 3.Stationary ring 5 is offseted by end face with rotating ring 4, and rotating ring 4 can be made of graphite,
Stationary ring 5 can be made of ceramic, and the contact surface of rotating ring 4 and stationary ring 5 forms dynamic sealing.
More guide rods 111 are provided in motor cavity 11, guide rod 111 is connected and fixed by end with motor casing 1, is oriented to
The length direction of bar 111 is axial parallel with shaft 3, and guide rod 111 passes through stationary ring 5 and is slidably connected with the foundation of stationary ring 5.Guiding
Bar 111 is used to improve the stability of stationary ring 5, and stationary ring 5 is further prevented to generate shaking.
Sealing shroud 51 has elasticity, and the sealing shroud 51 in the present embodiment is bellows made of vulcanie, in length
There is preferable telescopicing performance, but spreading performance in the radial direction is poor on direction.Sealing shroud 51 is in flaring shape, sealing shroud 51
Small end is fixed on stationary ring 5 and is sealed by bolt presses.The big end of sealing shroud 51 is fixed part 511, and fixed part 511 passes through ring
Shape end face offsets with end cap 12, and fixed part 511 is enclosed in outside all recirculation holes 122.Fixed part 511 is set on the end face of end cap 12
It is equipped with compression ring 52, compression ring 52 is made of stainless steel, and compression ring 52, fixed part 511 are fixed on by way of wearing bolt
On end cap 12；After tightening bolt, fixed part 511 is pressed on end cap 12 by compression ring 52, shape between fixed part 511 and end cap 12
At reliable sealing；Since the stubborn head of the bolt compression ring 52 harder with quality offsets, compression ring 52 is by pressing force with face contact
Form is transferred on fixed part 511, then fixed part 511 is unlikely to deform damage, and sealing effect is preferable.Sealing shroud 51 is by motor cavity
11 and 2 inner cavity of pump case separate.
Also be arranged with spring 53 outside shaft 3, spring 53 is located at the sleeving inner space of sealing shroud 51, the both ends of spring 53 respectively with
Stationary ring 5 and end cap 12 offset.Spring 53 is preset with the elastic force extended out, and the elastic force of spring 53 acts on stationary ring 5, and stationary ring 5 is compressed
In on rotating ring 4, it is ensured that reliably sealed between rotating ring 4 and stationary ring 5.
As shown in figures 1 and 3, the side that pump case 2 is located at suction inlet 21 is fixed with pod 6, and face sucks on pod 6
Mouth 21 offers flow-guiding mouth 61.Intermediate mass 62 is fixed in flow-guiding mouth 61, intermediate mass 62 blocks the end of shaft 3, intermediate mass
62 and pod 6 pass through the connecting plate 63 that is arranged between and establish fixed relationship, connecting plate 63 is multiple and about water conservancy diversion
Mouthfuls 61 are centrosymmetric distribution.When impeller 31 operates, suction inlet 21 generates suction, and water is driven to enter in pump case 2；Equipped with centre
The flow-guiding mouth 61 of block 62 is consistent with the flow direction of water flow, and pod 6 is that water flow plays good guiding role, prevents to a certain extent
Vortex is generated when only intaking, improves the flow condition of immersible pump.
The operating condition of the sealing structure of this immersible pump is as follows: under normal circumstances, stationary ring 5 is pressed in rotating ring by the elastic force of spring 53
On 4, sealing between the two meets requirement.When immersible pump is run in deep water, higher hydraulic pressure acts on sealing shroud
On 51, recirculation hole 122 improves the circulation effect of water, it is ensured that water pressure energy directly acts on sealing shroud 51.The hydraulic pressure and electricity
Air pressure in machine cavity 11 forms pressure difference, then hydraulic pressure can make sealing shroud 51 generate the trend extended, and stationary ring 5 acts on supporting for rotating ring 4
Clamp force increases, and improves sealing effect；And the depth of water is deeper, and it is bigger to push against power.To sum up, when immersible pump works in deeper waters
When, higher hydraulic pressure is also not easy to break through sealing structure, and motor is hardly damaged.
The above is only the exemplary embodiment of the utility model, the protection model rather than limited the present invention
It encloses, the protection scope of the utility model is determined by the attached claims.
Claims (8)
1. a kind of high diving performance vertical shaft immersible pump, including the motor casing (1) and pump case (2) being fixedly connected, the motor casing (1)
It is interior to be provided with shaft (3) equipped with motor cavity (11), rotation, the shaft hole being pierced by for shaft (3) is offered on the motor casing (1)
(121), the shaft (3) is located at the end in pump case (2) and is coaxially fixed with impeller (31), it is characterized in that: in the shaft (3)
It is arranged and is fixed with rotating ring (4), the sealing shroud (51) and stationary ring that can be rotated relative to shaft (3) are arranged with outside the shaft (3)
(5), the sealing shroud (51) has elasticity, and the internal diameter of the stationary ring (5) is identical as the outer diameter of shaft (3), stationary ring (5) energy
Along sliding axially for shaft (3)；The both ends of the sealing shroud (51) are fixedly connected with stationary ring (5), motor casing (1) respectively, described
Sealing shroud (51) separates motor cavity (11) and shaft hole (121), be arranged with outside the shaft (3) drive stationary ring (5) push against in
The spring (53) of rotating ring (4).
2. high diving performance vertical shaft immersible pump according to claim 1, it is characterized in that: the motor casing (1) includes close
The end cap (12) of pump case (2) side, the end cap (12) are bolted with motor casing (1) ontology, the shaft hole (121)
On end cap (12), the sealing shroud (51) is fixed on end cap (12).
3. high diving performance vertical shaft immersible pump according to claim 2, it is characterized in that: being offered on the end cap (12) more
Pump case (2) inner cavity is connected to by a recirculation hole (122), the recirculation hole (122) with the sleeving inner space of sealing shroud (51).
4. high diving performance vertical shaft immersible pump according to claim 2, it is characterized in that: the sealing shroud (51) includes and end
The fixed part (511) that (12) abut is covered, the fixed part (511) is provided with compression ring (52) on the end face of end cap (12),
The compression ring (52) is fixed by bolts on end cap (12), and fixed part (511) are compressed and sealed by the compression ring (52).
5. high diving performance vertical shaft immersible pump according to claim 1, it is characterized in that: being fixed on the motor casing (1)
Guide rod (111), the length direction of the guide rod (111) is axial parallel with shaft (3), and the guide rod (111) passes through
Stationary ring (5) is simultaneously slidably connected with stationary ring (5) foundation.
6. high diving performance vertical shaft immersible pump according to claim 1, it is characterized in that: being arranged fixation outside the shaft (3)
Have rotating seat (41), the rotating ring (4) is fixed on rotating seat (41).
7. high diving performance vertical shaft immersible pump according to claim 1, it is characterized in that: offering suction on the pump case (2)
Entrance (21), the side that the pump case (2) is located at suction inlet (21) are fixed with pod (6), and face is inhaled on the pod (6)
Entrance (21) offers flow-guiding mouth (61).
8. high diving performance vertical shaft immersible pump according to claim 7, it is characterized in that: being fixed in the flow-guiding mouth (61)
Intermediate mass (62), the intermediate mass (62) block the end of shaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821165897.3U CN208966625U (en) | 2018-07-23 | 2018-07-23 | Height diving performance vertical shaft immersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821165897.3U CN208966625U (en) | 2018-07-23 | 2018-07-23 | Height diving performance vertical shaft immersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208966625U true CN208966625U (en) | 2019-06-11 |
Family
ID=66748831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821165897.3U Expired - Fee Related CN208966625U (en) | 2018-07-23 | 2018-07-23 | Height diving performance vertical shaft immersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208966625U (en) |
-
2018
- 2018-07-23 CN CN201821165897.3U patent/CN208966625U/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 |
Granted publication date: 20190611 Termination date: 20200723 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |