CN207513850U - A kind of self priming centrifugal pump - Google Patents
A kind of self priming centrifugal pump Download PDFInfo
- Publication number
- CN207513850U CN207513850U CN201721329012.4U CN201721329012U CN207513850U CN 207513850 U CN207513850 U CN 207513850U CN 201721329012 U CN201721329012 U CN 201721329012U CN 207513850 U CN207513850 U CN 207513850U
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- cover
- water storage
- impeller
- water
- pump
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Abstract
The utility model proposes a kind of self priming centrifugal pumps, and including engine, pedestal, pump case, pump shaft, sealing device and impeller, the both ends of pump shaft are fixedly connected respectively with engine with impeller, it is characterised in that：Pump case includes the rear seal-cover being fixed on pedestal, the preceding capping being fixed on rear seal-cover, enter water cover and the water storage lid being fixed between preceding capping and rear seal-cover in capping before being fixed on, water storage lid includes water storage cavity and accommodating chamber, enter water cover equipped with oral siphon, sealing device includes the gasket being located between water cover and preceding capping, check valve between the water storage cavity and preceding capping and the first sealing ring between preceding capping and the opposite circumferential surface of rear seal-cover, pump shaft runs through rear seal-cover, impeller is housed in accommodating chamber, oral siphon is higher than impeller center line, the utility model self priming centrifugal pump is in addition to first time is using needing to add water manually, other when do not need to plus the self-priming of pump can be realized in water, the situation that pump shaft caused by avoiding the anhydrous idle running of centrifugal pump is burnt out.
Description
Technical field
The utility model is related to centrifugal pump field, especially a kind of self priming centrifugal pump.
Background technology
Centrifugal pump can be used for the transport of clear water, seawater, acid ＆ alkali liquid and slurries, be widely used in filtering, environmental protection, plating and PCB
The fields such as etching.Centrifugal pump is generally not allowed anhydrous idle running, and during anhydrous idle running, pump shaft can be burnt because cannot timely cool down due to
Bad therefore common centrifugal pump need to carry out pump before use plus water operation after can be switched on operation.However, every time before use
Plus water operation be easy to pass into silence, and add water and inconvenient, when particularly to convey liquid be chemical liquid, feeding operations increase
Add chemical liquid and the touch opportunity of operating personnel, compromise the health of operating personnel.
Utility model content
The technical problems to be solved in the utility model is：A kind of self priming centrifugal pump is provided, the self priming centrifugal pump is except head
Secondary use needs plus water operation is outer, is not needed to before starting every time later plus water, by short-time running, by the effect of pump itself,
Water can be drunk up.
In order to solve the above technical problems, the utility model proposes a kind of self priming centrifugal pump, including engine, pedestal, pump
Shell, pump shaft, sealing device and impeller, the engine are fixed on the pedestal, and the engine further includes output shaft, described
The both ends of pump shaft are fixedly connected respectively with the output shaft and the impeller, it is characterised in that：The pump case includes：
Rear seal-cover is fixed on the pedestal, and the rear seal-cover is equipped with first through hole；
Preceding capping is fixed on the rear seal-cover, is covered before described and is included inlet and outlet；
Enter water cover, be fixed on it is described before in capping, it is described enter water cover include oral siphon, the oral siphon and the water inlet
It is connected；
Water storage lid, one end are fixed on the rear seal-cover, and the other end is in contact with the inner wall of the preceding capping, the water storage
Lid includes water storage cavity, accommodating chamber and partition walls, and the water storage cavity is connected with the water inlet, and the partition walls separate the storage
Water cavity and accommodating chamber, the partition walls are equipped with the second through-hole, and the accommodating chamber is equipped with the first discharge outlet, first discharge outlet
Positioned at impeller tangential direction and it is directed toward the water outlet.
The sealing device includes gasket, check valve and axle envelope, and the gasket enters water cover and the preceding capping described in
Opposite circumferential surface between, the check valve is between the water storage lid and the opposite circumferential surface of the preceding capping；
The pump shaft passes through the first through hole, and the axle envelope seals the gap between the pump shaft and the pump case, institute
It states impeller to be contained in the accommodating chamber, the impeller and second through-hole are coaxial, and the oral siphon and the water outlet are equal
Higher than the center line of the impeller.
Wherein, the axle envelope seals after including, and seals and is located at outside the pump case after described, is sealed after described and includes sealing
Cover, fixed block, the second sealing ring and third sealing ring, the seal closure include third through-hole and multiple positioning columns, the fixation
Block includes fourth hole and multiple Blind locating holes, and the pump shaft sequentially passes through the third through-hole and fourth hole, the sealing
Cover is fixed on the rear seal-cover, and second sealing ring is between institute's seal closure and the opposite circumferential surface of the rear seal-cover, institute
It states positioning column the fixed block is pressed on the rear seal-cover with Blind locating holes cooperation, the third sealing ring is wound on institute
Fixed block outer rim is stated, the third sealing ring seals the gap between the fixed block and the seal closure.
Further, the axle envelope further includes preceding sealing, seals and is located inside the pump case before described, and packet is sealed before described
Include resilient sleeve and the 4th sealing ring, the pump shaft runs through the resilient sleeve, the 4th sealing ring seal the pump shaft with
Gap between the resilient sleeve, the both ends of the resilient sleeve are in contact respectively with the fixed block and impeller, after installation,
The resilient sleeve is in compressive state.
Further, the preceding sealing further includes thrust ring, and the thrust ring is located at the resilient sleeve and the fixation
Between block, the thrust ring is fixed on the resilient sleeve.
Further, the resilient sleeve further includes locating slot, and the impeller further includes locating convex block, the locating slot with
The locating convex block is fitted close.
Wherein, the preceding capping further includes the second discharge outlet and drain valve, and second discharge outlet is located at the preceding capping
Extreme lower position, the drain valve be mounted on the second discharge outlet at.
Further, the accommodating chamber further includes third discharge outlet, and the third discharge outlet is located at the accommodating chamber most
Lower position.
Wherein, the pump shaft includes main shaft and sleeve, and the sleeve is sleeved on outside the main shaft.
Wherein, the centrifugal pump further includes fastening nut, and the pump shaft further includes threaded hole, the fastening nut with it is described
The impeller is fixed on the pump shaft by corresponding threaded holes conjunction.
Wherein, the water storage lid further includes reinforcement rib, and the reinforcement rib is located at outside the water storage cavity and accommodating chamber,
The reinforcement rib, the water storage cavity are an integral molding structure with the accommodating chamber.
The beneficial effects of the utility model：
1. the utility model self priming centrifugal pump includes water storage lid, the water storage lid includes water storage cavity, accommodating chamber and partition
Wall, the water storage cavity are connected with the water inlet, and the partition walls are equipped with the second through-hole, and the impeller is contained in the appearance
Receive chamber and coaxial with second through-hole, and oral siphon and water outlet are above impeller center line, are stopped in the centrifugal pump
When, still retaining in water storage lid has water, and water level line has not crossed the center of impeller, when being again started up centrifugal pump next time, impeller
Center, which rotates, generates vacuum, and the air in water and oral siphon in water storage lid becomes gas-liquid mixture by impeller under impeller agitation
Center is drawn, and is finally discharged from water outlet, and as the gas-liquid in water storage cavity is fewer and fewer, the air pressure in water storage cavity is lower and lower,
Water in outer water trough enters water storage cavity under atmospheric pressure effect from water inlet, realizes the self-priming of pump.Compared to common centrifugation
Pump, in addition to for the first time using need plus water other than, other when do not need to before activation carry out plus water pump, reduce plus water conservancy project sequence,
The risk that centrifugal pump idle running burns out axle envelope is reduced, also ensures the health of operating personnel.
2. the utility model self priming centrifugal pump include a check valve, the check valve be located at it is preceding capping and water storage lid it
Between, sealing function is played, the water outside water storage cavity is made not enter water storage lid with the contact gap of water storage lid by preceding capping, is protected
Low pressure when having demonstrate,proved wheel rotation in water storage cavity, and then ensure that the self-suction function of pump.
3. the water storage lid of the utility model self priming centrifugal pump includes accommodating chamber, impeller is housed in the accommodating chamber, should
There are two the effects of accommodating chamber, on the one hand, because the hydraulic pressure in space in the pump case outside water storage cavity is higher than the hydraulic pressure inside water storage cavity,
The presence of accommodating chamber increases the resistance that flow flows to low-pressure area from higher-pressure region, reduces reflux, ensure that low in water storage cavity
Air pressure, and then ensure that self-suction function, the water yield of water outlet is also increased, improves and pumps efficiency；On the other hand, the receiving
Chamber is equipped with the first discharge outlet of impeller tangential direction, which has flow good guiding role, make flow along compared with
Short route enters water outlet, and further improve pump pumps efficiency.
Description of the drawings
Fig. 1 is the utility model self priming centrifugal pump decomposition diagram；
Fig. 2 is the utility model self priming centrifugal pump diagrammatic cross-section；
Water storage schematic diagram when Fig. 3 is stopped for the utility model self priming centrifugal pump；
Fig. 4 is operating diagram when the utility model self priming centrifugal pump just starts；
Fig. 5 is the water storage lid structure diagram of the utility model self priming centrifugal pump；
Fig. 6 is the fixed block schematic diagram of the utility model self priming centrifugal pump；
Fig. 7 is the seal closure structure diagram of the utility model self priming centrifugal pump；
Fig. 8 is the preceding sealed structural representation of the utility model self priming centrifugal pump；
Fig. 9 is the structure diagram of another angle of preceding sealing of the utility model self priming centrifugal pump；
Figure 10 is the blade wheel structure schematic diagram of the utility model self priming centrifugal pump；
Figure 11 is the pump shaft structure schematic diagram of the utility model self priming centrifugal pump；
Figure 12 is the rear seal-cover structure diagram of the utility model self priming centrifugal pump；
Specific embodiment
In order to it is clearer, completely illustrate the technical solution of the utility model, below in conjunction with the accompanying drawings with preferred implementation side
The utility model is described in further detail for formula.
As shown in Figure 1, Figure 2, shown in Fig. 5 and Figure 12, the utility model self priming centrifugal pump includes engine 1, pedestal 2, pump shaft
3rd, impeller 4, pump case 5 and sealing device 6, engine 1 are fixed by screws on pedestal 2, and engine 1 includes an output shaft,
One end of pump shaft 3 is fixed by a pin on output shaft, and the other end of pump shaft 3 is fixedly connected with impeller 4, specifically, in pump shaft 3
Equipped with threaded hole, impeller 4 is fixed on pump shaft 3 by fastening nut 8 with threaded hole cooperation, and the work of engine 1 drives output shaft
Rotation, and then pump shaft 3 is driven to rotate, impeller 4 rotates under the drive of pump shaft 3；Pump case 5 includes rear seal-cover 54, preceding capping 52, storage
Water cover 53 and enter water cover 51, rear seal-cover 54 is fixed by screws on pedestal 2, and preceding capping 52 and rear seal-cover 54 are both provided with multiple
The multiple threaded holes equidistantly distributed along Gai Yuan, preceding capping 52 and rear seal-cover 54 are fixed together by screw-nut cooperation, are entered
Before water cover 51 is fixed by screws in capping 52, enters water cover 51 and this split of preceding capping 52 is designed with conducive to preceding capping
52 and enter and cleaned inside water cover 51, also allow for individually being replaced when damaging into water cover 51；Water storage lid 53 is located at preceding capping
52 and rear seal-cover 54 form in inner space, the lid edge of water storage lid 53 is equipped with multiple threaded holes, and 53 one end of water storage lid passes through spiral shell
Nail is fixed on rear seal-cover 54, and the other end is contacted with preceding capping 52, and water storage lid 53 includes water storage cavity 531, accommodating chamber 533 and partition
Wall 532, partition walls 532 have separated water storage cavity 531 and accommodating chamber 533, but partition walls 532 are equipped with the second through-hole 532a, this second
Through-hole 532a turns on water storage cavity 531 and accommodating chamber 533 again, and the diameter of accommodating chamber 533 is more than the diameter of impeller 4, the second through-hole
The diameter of 532a is less than the diameter of impeller 4, and such structure can make impeller 4 be contained in accommodating chamber and be unlikely to extend into storage
In water cavity 531.Rear seal-cover 54 is equipped with first through hole 531, and pump shaft 3 passes through the first through hole 531, and impeller 4 is housed in accommodating chamber
In 533, the rotary centerline of impeller 4 and the second through-hole 532a are coaxial, and the first discharge outlet 533a is additionally provided in accommodating chamber 533, should
First discharge outlet 533a is located at the tangential direction of impeller 4 and is directed toward water outlet 521, and so, the water in pump case 5 is in impeller 4
It is discharged under effect from the first discharge outlet 533a and enters water outlet 521 quickly, improve drainage efficiency.Sealing device 6 includes pad
Piece 61, check valve 62, the first sealing ring 64 and axle envelope 63, gasket 61 be located at it is described enter water cover 51 with it is described it is preceding cover 52 it is opposite
Between circumferential surface, it is encapsulated into the gap of water cover 51 and preceding capping 52；First sealing ring 64 is located at the phase of preceding capping 52 and rear seal-cover 54
Between circumferential surface, the gap of capping 52 and rear seal-cover 54 before sealing；Axle envelope 63 is sleeved on outside pump shaft 3, is sealed between pump shaft 3 and pump case 5
Gap；So, enter the inner space that water cover 51, preceding capping 52 and rear seal-cover 54 combine and there was only oral siphon 511 and water outlet
It is opened at 521 liang, the liquid in pump case 5 will not be leaked out from elsewhere, and extraneous air will not be from elsewhere into pump case 5
It is interior, it ensure that centrifugal pump runs well.Check valve 62 is located between preceding capping 52 and the opposite circumferential surface of water storage cavity 531, seals
Gap between preceding capping 52 and water storage cavity 531, and the other end of water storage cavity 531 is the accommodating chamber 533 for having stored impeller 4, and
Second through-hole 532a is less than the diameter of impeller 4, when impeller 4 works, water with the diameter of 4 central coaxial of impeller and the second through-hole 532a
Stream only can flow to outer rim from the center of impeller 4 under the action of the centrifugal force, and the presence of accommodating chamber 533 increases flow from water storage
Enter the resistance of water storage cavity 531 outside chamber 531 by the gap between impeller 4 and dividing wall, after employing such mechanism,
During pump work, water is hardly back in water storage cavity 531 in the pump outside water storage cavity 531, ensure that water storage cavity 531 when drawing water
Interior low pressure enables pump to realize self-priming, while also assures the water yield of pump.
The operation principle of the utility model self priming centrifugal pump is：When centrifugal pump is stopped, the water storage in pump case 5 is as schemed
Shown in 3, water level line did not had 4 center of impeller.When next time restarts centrifugal pump, impeller 4 rotates under the drive of pump shaft 3, in impeller 4
The heart generates vacuum, and the water and air in water storage cavity 531 becomes gas-liquid mixture under the agitation of impeller 4 and drawn by 4 center of impeller, most
It is discharged eventually from water outlet 521, as shown in figure 4, as the gas-liquid in water storage cavity 531 is fewer and fewer, the air pressure Pc in water storage cavity 531
It continuously decreases, the water in outer water trough enters water storage cavity 531 under the draught head effect of Po and Pc from water inlet 522, realizes
The self-priming of pump.
Specifically, axle envelope 63 seals 632 after including, and as shown in Fig. 2, Fig. 6 and Fig. 7, rear sealing 632 includes seal closure
632d, fixed block 632b, the second sealing ring 632a and third sealing ring 632c, the seal closure 632d be equipped with third through-hole and
Multiple positioning columns, fixed block 632b are equipped with fourth hole and multiple Blind locating holes, and rear sealing 632 is located at outside pump case 5, seal closure
632d is fixed by screws on rear seal-cover 54, between the second sealing ring 632a is sealed between seal closure 632d and rear seal-cover 54
Gap, positioning column are inserted into Blind locating holes and fixed block 632b are pressed between rear seal-cover 54 and seal closure 632d, third sealing ring
632c is wound on gap of the fixed block 632b outer fringe seals between fixed block 632b and seal closure 632d.Pump shaft 3 sequentially passes through
Three through-holes and fourth hole.
Sealing 631 before axle envelope 63 further includes, as shown in Fig. 2, preceding sealing 631 is located inside pump case 5, including resilient sleeve
631a, pump shaft 3 run through resilient sleeve 631a, and one end of resilient sleeve 631a connects across first through hole 531 with fixed block 632b
Touch, the other end is in contact with impeller 4, and after installation, resilient sleeve 631a is in compressive state, it is front and rear respectively with impeller 4 and fixation
Block 632b tightly presses together, and the liquid in pump case 5 can not be flowed to across resilient sleeve 631a on pump shaft 3, realizes axle envelope
Function, even axial vibration occurs under the drive of engine 1 for pump shaft 3, resilient sleeve 631a remains able to freely stretch
Contracting with ensure pump shaft 3 always with fluid isolation in pump case 5.Resilient sleeve 631a is preferably the additional one layer of PVDF garment bag of spring
Composition, spring provides elasticity, and PVDF garment bags have the characteristics that acid-alkali-corrosive-resisting high-low temperature resistant, are applicable to different liquids
It extracts.
Further, as shown in figure 8,631 are sealed before described further includes thrust ring 631b, thrust ring 631b fixes elasticity
Sleeve 631a one end is simultaneously in contact with fixed block 632b, and thrust ring 631b is generally made of antifriction alloy, before the rotation of pump shaft 3 drives
During 631 rotation of sealing, the friction before thrust ring 631b can be reduced between 631 and fixed block 632b of sealing seals before extending
631 and the service life of fixed block 632b.
Further, it as shown in figure 9,631 are sealed before described further includes locating slot 631c and the 4th sealing ring 631d, positions
Slot 631c is located at resilient sleeve 631a one end, and correspondingly, as shown in Figure 10, impeller 4 is equipped with locating convex block 41, locating slot 631c
And locating convex block 41 coordinates the dynamic friction between preceding sealing 631 and impeller 4 being converted to static friction, reduces impeller 4 and preceding close
The abrasion of envelope 631 extends the service life of the two.But the setting of locating slot 631c, which increases, makes liquid in pump enter preceding sealing
Probability inside 631, therefore the 4th sealing ring 631d is set to seal the gap between 631 and pump shaft 3 before sealing, to prevent passing through positioning
The liquid that slot 631c enters in preceding sealing 631 is flowed out along pump shaft 3 except pump case 5, and the 4th sealing ring preferably uses the resistance to height of acid and alkali-resistance
The fluorubber material of temperature, not only has the function of sealing corrosion proof, moreover it is possible to play damping vibration attenuation function to pump shaft 3.
As further improvement of the utility model, impeller 4 and partition walls 532 and 533 inner wall of accommodating chamber without being in direct contact,
The abrasion of impeller 4 and water storage lid 53 can be reduced in this way, extend respective service life.
Further, the pump shaft 3 includes main shaft 31 and sheath 32, and the sheath 32 is sleeved on outside the main shaft 31, main shaft
31 generally stainless steel, sheaths 32 then preferably use the heat safe PVDF materials of acid and alkali-resistance, when liquid passes through calmly in pump case 5
When position slot 631c enters 631 inside of preceding sealing, which can include stainless steel main shaft 31 not by liquid corrosion.
As further improvement of the utility model, preceding capping 52 further includes the second discharge outlet and drain valve 7, the second draining
Mouth is located at the extreme lower position of the preceding capping 52, and the drain valve 7 is mounted at the second discharge outlet, when centrifugal pump needs long-time
When not used, opening drain valve 7 can bleed off the water storage in pump case 5 for storage.
Further, as shown in figure 5, accordingly setting third discharge outlet 533b in accommodating chamber 533, third discharge outlet 533b
In the extreme lower position of the accommodating chamber 533, discharged conducive to the liquid of accommodating chamber 533.
As further improvement of the utility model, as shown in figure 5, water storage lid 53, which further includes, strengthens rib 534, it is described to add
Strong rib 534 is fixed in the water storage cavity 531 and accommodating chamber 533.By known above, the hydraulic pressure inside and outside water storage cavity 531 differs
It causes, the intensity of water storage lid 53 can be improved by strengthening the presence of rib 534, and water storage cavity 531 is prevented to be crowded flat even under pressure differential
It racks.
Certainly, the utility model can also have other numerous embodiments, based on present embodiment, the ordinary skill of this field
Personnel obtain other embodiment under the premise of any creative work is not made, and belong to the utility model and are protected
Range.
Claims (10)
1. a kind of self priming centrifugal pump, including engine, pedestal, pump case, pump shaft, sealing device and impeller, the engine is consolidated
Be scheduled on the pedestal, the engine further includes output shaft, the both ends of the pump shaft respectively with the output shaft and the leaf
Wheel is fixedly connected, it is characterised in that：The pump case includes：
Rear seal-cover is fixed on the pedestal, and the rear seal-cover is equipped with first through hole；
Preceding capping is fixedly connected with the rear seal-cover, is covered before described and is included inlet and outlet；
Enter water cover, with it is described it is preceding capping be fixedly connected, it is described enter water cover include oral siphon, the oral siphon and the water inlet phase
Connection；
Water storage lid, one end of the water storage lid are fixed on the rear seal-cover, the other end of the water storage lid and the preceding capping
Inner wall be in contact, the water storage lid includes water storage cavity, accommodating chamber and partition walls, and the water storage cavity is connected with the water inlet
Logical, the partition walls separate the water storage cavity and accommodating chamber, and the partition walls are equipped with the second through-hole, second through-hole it is straight
Diameter be less than impeller diameter, the accommodating chamber be equipped with the first discharge outlet, first discharge outlet be located at the impeller tangential direction and
It is directed toward the water outlet；
The sealing device includes gasket, check valve, the first sealing ring and axle envelope, the gasket be located at it is described enter water cover with it is described
Between the opposite circumferential surface of preceding capping, the check valve is located between the water storage cavity and the opposite circumferential surface of the preceding capping, described
First sealing ring is located between the preceding capping and the opposite circumferential surface of the rear seal-cover；
The pump shaft passes through the first through hole, and the axle envelope seals the gap between the pump shaft and the pump case, the leaf
Wheel is contained in the accommodating chamber and coaxial with second through-hole, and the oral siphon and the water outlet are above the impeller
Center line.
2. self priming centrifugal pump according to claim 1, it is characterised in that：The impeller and the partition walls are without directly connecing
It touches, the inner wall of the impeller and the accommodating chamber is also without being in direct contact.
3. self priming centrifugal pump according to claim 1, it is characterised in that：The axle envelope seals after including, and is sealed after described
Outside the pump case, sealed after described and include seal closure, fixed block, the second sealing ring and third sealing ring, the sealing
Cover includes third through-hole and multiple positioning columns, and the fixed block includes fourth hole and multiple Blind locating holes, and the pump shaft is successively
Across the third through-hole and fourth hole, the seal closure is fixed on the rear seal-cover, and second sealing ring is located at institute
Between seal closure and the opposite circumferential surface of the rear seal-cover, the positioning column coordinates with the Blind locating holes compresses the fixed block
In the rear in capping, the third sealing ring be wound on the fixed block outer rim and seal the fixed block and the seal closure it
Between gap.
4. self priming centrifugal pump according to claim 3, it is characterised in that：The axle envelope further includes preceding sealing, before described
Sealing includes resilient sleeve, and the resilient sleeve is located inside the pump case, and the pump shaft runs through the resilient sleeve, the bullet
The both ends of property sleeve are in contact respectively with the fixed block and impeller, and the resilient sleeve is in compressive state.
5. self priming centrifugal pump according to claim 4, it is characterised in that：Sealing further includes thrust ring before described, described
Thrust ring is fixed on one end of the resilient sleeve and is in contact with the fixed block.
6. self priming centrifugal pump according to claim 5, it is characterised in that：Sealing further includes locating slot and the 4th before described
Sealing ring, the impeller further include locating convex block, and the locating slot is fitted close with the locating convex block, the 4th sealing ring
Seal the gap between the pump shaft and the resilient sleeve.
7. self priming centrifugal pump according to claim 6, it is characterised in that：The pump shaft includes main shaft and sheath, the shield
It is sleeved on outside the main shaft.
8. self priming centrifugal pump according to claim 1, it is characterised in that：It is described before capping further include the second discharge outlet and
Drain valve, second discharge outlet are located at the preceding extreme lower position covered, and the drain valve is mounted at the second discharge outlet.
9. self priming centrifugal pump according to claim 6, it is characterised in that：The accommodating chamber further includes third discharge outlet,
The third discharge outlet is located at the extreme lower position of the accommodating chamber.
10. self priming centrifugal pump according to claim 1, it is characterised in that：The water storage lid further includes reinforcement rib, described
Strengthen rib to be fixed in the water storage cavity and accommodating chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721329012.4U CN207513850U (en) | 2017-10-16 | 2017-10-16 | A kind of self priming centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721329012.4U CN207513850U (en) | 2017-10-16 | 2017-10-16 | A kind of self priming centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207513850U true CN207513850U (en) | 2018-06-19 |
Family
ID=62535414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721329012.4U Expired - Fee Related CN207513850U (en) | 2017-10-16 | 2017-10-16 | A kind of self priming centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207513850U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637074A (en) * | 2020-06-10 | 2020-09-08 | 安徽庐风风机有限公司 | Sealing device of numerical control fan |
| CN113404702A (en) * | 2021-07-16 | 2021-09-17 | 齐力控股集团有限公司 | Milk pump is used in milk processing |
| CN115059619A (en) * | 2022-08-16 | 2022-09-16 | 服务型制造研究院(杭州)有限公司 | Industrial pump |
| CN115750382A (en) * | 2023-01-05 | 2023-03-07 | 江苏优耐机械制造有限公司 | Horizontal self-priming centrifugal pump |
-
2017
- 2017-10-16 CN CN201721329012.4U patent/CN207513850U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637074A (en) * | 2020-06-10 | 2020-09-08 | 安徽庐风风机有限公司 | Sealing device of numerical control fan |
| CN113404702A (en) * | 2021-07-16 | 2021-09-17 | 齐力控股集团有限公司 | Milk pump is used in milk processing |
| CN115059619A (en) * | 2022-08-16 | 2022-09-16 | 服务型制造研究院(杭州)有限公司 | Industrial pump |
| CN115059619B (en) * | 2022-08-16 | 2022-12-23 | 服务型制造研究院(杭州)有限公司 | Industrial pump |
| CN115750382A (en) * | 2023-01-05 | 2023-03-07 | 江苏优耐机械制造有限公司 | Horizontal self-priming centrifugal pump |
| CN115750382B (en) * | 2023-01-05 | 2023-11-03 | 江苏优耐机械制造有限公司 | Horizontal self-priming centrifugal pump |
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