CN210050042U - Centrifugal impeller pump - Google Patents
Centrifugal impeller pump Download PDFInfo
- Publication number
- CN210050042U CN210050042U CN201920756071.2U CN201920756071U CN210050042U CN 210050042 U CN210050042 U CN 210050042U CN 201920756071 U CN201920756071 U CN 201920756071U CN 210050042 U CN210050042 U CN 210050042U
- Authority
- CN
- China
- Prior art keywords
- impeller
- cover plate
- pump
- blade
- blades
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000007788 liquid Substances 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000035939 shock Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a centrifugal impeller pump, which comprises a pump body and an impeller positioned in the pump body, wherein the pump body is provided with a water inlet and a water outlet, the water inlet is communicated with the impeller, the impeller is communicated with the water outlet, and the impeller is connected with a rotary driving motor; the impeller includes upper cover plate, lower apron, axle sleeve and blade, the upper cover plate with be equipped with down between the apron the blade with the axle sleeve, the axle sleeve is located the center of impeller, a plurality of the blade along the circumference evenly distributed of impeller, just the blade can dismantle connect in apron down, the upper cover plate can dismantle connect in a plurality of the blade. The utility model discloses be convenient for dismantle the change to the blade, less cost of maintenance does benefit to the suction of liquid, has improved the work efficiency of impeller, has effectively improved the shock attenuation effect of centrifugal pump, guarantees the life of centrifugal pump.
Description
Technical Field
The utility model belongs to the technical field of the water pump, especially, relate to a centrifugal impeller pump.
Background
The centrifugal pump is a pump for conveying liquid by centrifugal force generated when an impeller rotates at a high speed, and has various types such as vertical type, horizontal type, single stage, multistage type, single suction type, double suction type and the like. The impeller is used as a core component of the water pump, negative pressure is formed in the pump chamber through high-speed rotation of the impeller, water is pressed into the pump chamber under the action of atmospheric pressure, and the water is thrown out under the action of centrifugal force of the impeller.
The effect of current centrifugal pump absorbing is poor, thereby and the vibration that the centrifugal pump produced in work engineering can make the spare part of centrifugal pump self receive the influence and shorten life, thereby current impeller formula as an organic whole impeller moreover, one nevertheless the blade damages, and the maintenance of blade is changed very inconveniently, and cost of maintenance is higher moreover.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a centrifugal impeller pump, is convenient for dismantle the change to the blade, and less cost of maintenance does benefit to the suction of liquid, has improved the work efficiency of impeller, has effectively improved the shock attenuation effect of centrifugal pump, guarantees the life of centrifugal pump.
In order to solve the technical problem, the utility model discloses a technical scheme be: a centrifugal impeller pump comprises a pump body and an impeller positioned in the pump body, wherein the pump body is provided with a water inlet and a water outlet, the water inlet is communicated with the impeller, the impeller is communicated with the water outlet, and the impeller is connected with a rotary driving motor;
the impeller comprises an upper cover plate, a lower cover plate, a shaft sleeve and blades, wherein the blades and the shaft sleeve are arranged between the upper cover plate and the lower cover plate, the shaft sleeve is positioned in the center of the impeller, a plurality of blades are uniformly distributed along the circumferential direction of the impeller, the blades are detachably connected to the lower cover plate, and the upper cover plate is detachably connected to the plurality of blades;
a liquid inlet is formed in the center of the upper cover plate, a liquid flow channel is formed between every two adjacent blades, a liquid outlet is formed in the periphery of the impeller and located between every two adjacent blades, the water inlet is communicated with the liquid inlet, the liquid inlet is communicated with the liquid flow channel, the liquid flow channel is communicated with the liquid outlet, and the liquid outlet is communicated with the water outlet;
the upper surface of the lower cover plate is downwards recessed to form a plurality of mounting grooves, two opposite side walls of each mounting groove are provided with limiting strips, the blades are provided with convex strips, two sides of each convex strip are provided with guide strips, the side walls of the mounting grooves are provided with abdicating parts matched with the guide strips, and the guide strips are clamped between the limiting strips and the bottom surfaces of the mounting grooves so that the blades are mounted on the lower cover plate;
the pump body is installed in the buffer board, the buffer board with the surface of pump body contact is equipped with a plurality of evenly distributed's buffering arch.
In specific implementation, the buffer plate is a rubber buffer plate.
Further, the blade is provided with a screw hole, the upper cover plate is provided with a through hole, and a bolt penetrates through the through hole and is connected with the screw hole so that the upper cover plate is fixed on the blade.
Further, the blade comprises two opposite flow guide surfaces, and the flow guide surfaces are gradually inclined from the outer periphery of the impeller to the center of the impeller in the rotating direction of the impeller.
Furthermore, the flow guide surface is provided with at least one flow guide groove, and the flow guide groove gradually inclines upwards from the outer periphery of the impeller to the center of the impeller.
Furthermore, the lower cover plate is provided with at least two balance holes, the number of the balance holes is even, the balance holes penetrate through the upper surface and the lower surface of the lower cover plate, and the balance holes are symmetrically arranged by taking the shaft sleeve as a center.
Furthermore, the buffer plate is connected with the pump body through screws and nuts.
Further, the number of the blades is 5-7.
Further, the impeller is a cast iron impeller.
Further, the blade, the convex strip and the guide strip are integrally formed.
Furthermore, the lower cover plate and the shaft sleeve are integrally formed.
The beneficial effects of the utility model are that following several points have at least:
the utility model discloses an upper surface undercut of lower cover plate forms the mounting groove, and the relative both sides wall of mounting groove is equipped with spacing, and the blade is equipped with the sand grip, and the both sides of sand grip are equipped with the gib block, and the gib block card is gone into between the bottom surface of spacing and mounting groove so that the blade is installed in lower cover plate, when the blade damages, is convenient for change it, less cost of maintenance;
the novel pump body is arranged on the buffer plate, and the surface of the buffer plate, which is in contact with the pump body, is provided with a plurality of buffer bulges which are uniformly distributed, so that the damping effect of the centrifugal pump is effectively improved, and the service life of the centrifugal pump is ensured;
the blade of the utility model is provided with a screw hole, the upper cover plate is provided with a through hole, a bolt passes through the through hole and is connected with the screw hole so as to lead the upper cover plate to be fixed on the blade, and simultaneously, the blade is positioned, thus improving the stability of the blade during working;
the utility model discloses a lower apron is equipped with two at least balancing holes, and the quantity of balancing hole is the even number, and the balancing hole runs through the upper and lower surface of apron down to reduce the pressure differential of both sides about the impeller, make the impeller operate steadily.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is an enlarged view of fig. 1 at a of the present invention;
fig. 3 is a schematic structural view of the impeller of the present invention;
fig. 4 is a cross-sectional view of the lower cover plate of the present invention
Fig. 5 is a schematic structural view of a blade of the present invention;
the parts in the drawings are marked as follows:
the pump body 1, the water inlet 11, the water outlet 12, the impeller 2, the upper cover plate 21, the liquid inlet 211, the lower cover plate 22, the mounting groove 221, the limiting strip 222, the abdicating part 223, the balance hole 224, the shaft sleeve 23, the blades 24, the convex strip 241, the guide strip 242, the guide groove 243, the screw hole 244, the liquid outlet 25, the bolt 26, the rotation driving motor 3, the buffer plate 4, the buffer protrusion 41, the screw 5 and the nut 6.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Example (b): a centrifugal impeller pump, as shown in fig. 1-5, the utility model comprises a pump body 1 and an impeller 2 positioned inside the pump body 1, wherein the pump body 1 is provided with a water inlet 11 and a water outlet 12, the water inlet 11 is communicated with the impeller 2, the impeller 2 is communicated with the water outlet 12, and the impeller 2 is connected with a rotation driving motor 3;
the impeller 2 comprises an upper cover plate 21, a lower cover plate 22, a shaft sleeve 23 and blades 24, the blades 24 and the shaft sleeve 23 are arranged between the upper cover plate 21 and the lower cover plate 22, the shaft sleeve 23 is positioned at the center of the impeller 2, a plurality of blades 24 are uniformly distributed along the circumferential direction of the impeller 2, the blades 24 are detachably connected to the lower cover plate 22, and the upper cover plate 21 is detachably connected to the plurality of blades 24;
a liquid inlet 211 is formed in the center of the upper cover plate 21, a liquid flow channel is formed between adjacent blades 24, a liquid outlet 25 is formed in the periphery of the impeller 2 and located between adjacent blades 24, the water inlet 11 is communicated with the liquid inlet 211, the liquid inlet 211 is communicated with the liquid flow channel, the liquid flow channel is communicated with the liquid outlet 25, and the liquid outlet 25 is communicated with the water outlet 12;
the upper surface of the lower cover plate 22 is recessed downwards to form a plurality of mounting grooves 221, two opposite side walls of each mounting groove 221 are provided with limiting strips 222, the blade 24 is provided with convex strips 241, two sides of each convex strip 241 are provided with guide strips 242, the side walls of the mounting grooves 221 are provided with yielding parts 223 matched with the guide strips 242, and the guide strips 242 are clamped between the limiting strips 222 and the bottom surfaces of the mounting grooves 221 so that the blade 24 is mounted on the lower cover plate 22;
the pump body 1 is arranged on a buffer plate 4, and a plurality of buffer bulges 41 which are uniformly distributed are arranged on the surface of the buffer plate 4 contacted with the pump body 1.
The blade 24 is provided with a screw hole 244, the upper cover plate 21 is provided with a through hole, and a bolt 26 passes through the through hole to be connected with the screw hole 244 so as to fix the upper cover plate 21 to the blade 24.
The blades 24 include two opposite flow guide surfaces, and the flow guide surfaces are gradually inclined from the outer periphery of the impeller 2 to the center of the impeller 2 toward the rotation direction of the impeller 2.
The guide surface is provided with at least one guide groove 243, and the guide groove 243 is gradually inclined upwards from the outer periphery of the impeller 2 to the center of the impeller 2.
The lower cover plate 22 is provided with at least two balancing holes 224, the number of the balancing holes 224 is even, the balancing holes 224 penetrate through the upper and lower surfaces of the lower cover plate 22, and the balancing holes 224 are symmetrically arranged by taking the shaft sleeve 23 as a center.
The buffer plate 4 is connected with the pump body 1 through a screw 5 and a nut 6.
In specific implementation, the screw 5 penetrates through the pump body 1 and the buffer plate 4 to be in threaded connection with the nut 6.
The number of the blades 24 is 5-7.
The impeller 2 is a cast iron impeller.
The blade 24, the protruding strip 241 and the guide strip 242 are integrally formed.
The lower cover plate 22 and the shaft sleeve 23 are integrally formed.
The working principle of the utility model is as follows, the blades, the upper cover plate and the lower cover plate of the utility model rotate under the driving of the shaft sleeve, liquid enters from the water inlet, and finally the liquid flows out from the water outlet under the action of the impeller;
when the blade needs to be replaced, the bolt is screwed off, the damaged blade is dismounted, the guide strip of the new blade is inserted from the yielding part, and the blade is clamped between the limiting strip and the bottom surface of the mounting groove, so that the blade is replaced, the working efficiency of the impeller is guaranteed, and the maintenance cost of the impeller is reduced.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the same principle as the present invention.
Claims (10)
1. A centrifugal impeller pump characterized by: the pump comprises a pump body (1) and an impeller (2) positioned in the pump body, wherein the pump body is provided with a water inlet (11) and a water outlet (12), the water inlet is communicated with the impeller, the impeller is communicated with the water outlet, and the impeller is connected with a rotation driving motor (3);
the impeller comprises an upper cover plate (21), a lower cover plate (22), a shaft sleeve (23) and blades (24), wherein the blades and the shaft sleeve are arranged between the upper cover plate and the lower cover plate, the shaft sleeve is positioned at the center of the impeller, a plurality of blades are uniformly distributed along the circumferential direction of the impeller, the blades are detachably connected to the lower cover plate, and the upper cover plate is detachably connected to the plurality of blades;
a liquid inlet (211) is formed in the center of the upper cover plate, a liquid flow channel is formed between every two adjacent blades, a liquid outlet (25) is formed in the periphery of the impeller and located between every two adjacent blades, the water inlet is communicated with the liquid inlet, the liquid inlet is communicated with the liquid flow channel, the liquid flow channel is communicated with the liquid outlet, and the liquid outlet is communicated with the water outlet;
the upper surface of the lower cover plate is downwards recessed to form a plurality of mounting grooves (221), two opposite side walls of each mounting groove are provided with limiting strips (222), the blade is provided with a convex strip (241), two sides of each convex strip are provided with guide strips (242), the side wall of each mounting groove is provided with a position yielding part (223) matched with each guide strip, and each guide strip is clamped between each limiting strip and the bottom surface of each mounting groove so that the blade is mounted on the lower cover plate;
the pump body is installed in buffer board (4), the buffer board with the surface of pump body contact is equipped with a plurality of evenly distributed's buffering arch (41).
2. The centrifugal impeller pump of claim 1, wherein: the blade is provided with a screw hole (244), the upper cover plate is provided with a through hole, and a bolt (26) penetrates through the through hole to be connected with the screw hole so that the upper cover plate is fixed on the blade.
3. The centrifugal impeller pump of claim 1, wherein: the blades comprise two opposite guide surfaces, and the guide surfaces are gradually inclined towards the rotating direction of the impeller from the periphery of the impeller to the center of the impeller.
4. A centrifugal impeller pump according to claim 3, wherein: the flow guide surface is provided with at least one flow guide groove (243), and the flow guide groove gradually inclines upwards from the outer periphery of the impeller to the center of the impeller.
5. The centrifugal impeller pump of claim 1, wherein: the lower cover plate is provided with at least two balance holes (224), the number of the balance holes is even, the balance holes penetrate through the upper surface and the lower surface of the lower cover plate, and the balance holes are symmetrically arranged by taking the shaft sleeve as a center.
6. The centrifugal impeller pump of claim 1, wherein: the buffer plate is connected with the pump body through a screw (5) and a nut (6).
7. The centrifugal impeller pump of claim 1, wherein: the number of the blades is 5-7.
8. The centrifugal impeller pump of claim 1, wherein: the impeller is a cast iron impeller.
9. The centrifugal impeller pump of claim 1, wherein: the blade the sand grip with the gib block is integrated into one piece.
10. The centrifugal impeller pump of claim 1, wherein: the lower cover plate and the shaft sleeve are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920756071.2U CN210050042U (en) | 2019-05-24 | 2019-05-24 | Centrifugal impeller pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920756071.2U CN210050042U (en) | 2019-05-24 | 2019-05-24 | Centrifugal impeller pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210050042U true CN210050042U (en) | 2020-02-11 |
Family
ID=69395861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920756071.2U Expired - Fee Related CN210050042U (en) | 2019-05-24 | 2019-05-24 | Centrifugal impeller pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210050042U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524086A (en) * | 2021-01-07 | 2021-03-19 | 无锡市勤达富流体科技有限公司 | Impeller and centrifugal pump of adjustable diameter |
| CN113107897A (en) * | 2021-04-16 | 2021-07-13 | 河北格远泵业集团有限公司 | Slurry pump impeller |
-
2019
- 2019-05-24 CN CN201920756071.2U patent/CN210050042U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524086A (en) * | 2021-01-07 | 2021-03-19 | 无锡市勤达富流体科技有限公司 | Impeller and centrifugal pump of adjustable diameter |
| CN113107897A (en) * | 2021-04-16 | 2021-07-13 | 河北格远泵业集团有限公司 | Slurry pump impeller |
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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: 20200211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |