CN208651261U - A kind of high intensity centrifugal pump closed type impeller - Google Patents
A kind of high intensity centrifugal pump closed type impeller Download PDFInfo
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- CN208651261U CN208651261U CN201821273623.6U CN201821273623U CN208651261U CN 208651261 U CN208651261 U CN 208651261U CN 201821273623 U CN201821273623 U CN 201821273623U CN 208651261 U CN208651261 U CN 208651261U
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- front side
- appearance wall
- centrifugal pump
- back shroud
- shroud
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Abstract
The utility model provides a kind of high-intensitive centrifugal pump closed type impeller, including back shroud；First axle lantern ring is welded in the middle part of the back shroud；The first axle lantern ring outer circumference is equipped with gasket；The gasket outer circumference is provided with interior wheel seat；The interior wheel seat outer circumference is evenly distributed with linear leaf；Short blade is provided in the linear leaf gap；The first card hole is provided on appearance wall on front side of the short blade；Threaded hole is evenly distributed on peripheral appearance wall on front side of back shroud；Sleeve is cased on front side of the threaded hole；The sleeve uniform welding is fixed on the backside peripheral appearance wall of front shroud；Uniform welding is fixed with the first kelly on the appearance wall of middle part on rear side of the front shroud；For the first kelly inlay card in the first card hole and the second card hole, inside is equipped with the second axle sleeve ring；The utility model structure is simple, and design rationally, is suitable for centrifugal pump high intensity and operates, have stronger practicability.
Description
Technical field
The utility model relates to machinery field, specifically a kind of high intensity centrifugal pump closed type impeller.
Background technique
Impeller is the core component of centrifugal pump, is the main influence element of working efficiency, under specific operation, if impeller is set
Count it is bad hydraulic loss and gap loss will be generated at pump intake and blade, then had in terms of selection selection profession
Water pump vane manufacturer.
Centrifugal pump type water pump vane mainly has following 4 kinds of forms, enclosed, preceding semi-open type, rear semi-open type, open type these four.
Double shrouded wheel: by blade and front/rear cover board group at.The efficiency of double shrouded wheel is higher, manufacture difficulty is larger.It is applied in centrifugal pump
At most.Suitable for conveying clear water, the lesser cleaning liquid without particle of the viscositys such as solution.But in the long-term use process,
Or in high-intensitive use process, blade can cause to be broken because drive train pressure is excessive, shorten the service life of impeller.
Utility model content
The purpose of this utility model is to provide a kind of high-intensitive centrifugal pump closed type impellers, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the utility model provides the following technical solutions:
A kind of high intensity centrifugal pump closed type impeller, including back shroud；The back shroud is made of cast iron, rounded, wherein
Portion is welded with first axle lantern ring；The first axle lantern ring outer circumference is equipped with gasket；The gasket is made of rubber,
It is fastened on front side of the middle part of back shroud on outer wall, outer circumference is provided with interior wheel seat；The interior wheel seat outer circumference is equal
It is even that linear leaf is distributed with；Short blade is provided in the linear leaf gap；There are four the short blade is set, uniform welding is fixed on
On the front side appearance wall of back shroud, it is in arc-shaped, is provided with the first card hole on the appearance wall of front side；Peripheral appearance wall on front side of back shroud
On be evenly distributed with threaded hole；Sleeve is cased on front side of the threaded hole；The sleeve uniform welding is fixed on the rear side of front shroud
On peripheral appearance wall；Uniform welding is fixed with the first kelly on the appearance wall of middle part on rear side of the front shroud；The first kelly card
In the first card hole and the second card hole, inside is equipped with the second axle sleeve ring.
As a further solution of the present invention: the first axle lantern ring is in circular ring shape, two appearances in front side left and right
Third card hole is provided on wall；There are two the third card hole is set, it is symmetrical arranged.
As a further solution of the present invention: the interior wheel seat is weldingly fixed on appearance wall on front side of the middle part of back shroud
On, it is in truncated cone-shaped, uniform welding is fixed with wheel blade on the appearance wall of front side.
As a further solution of the present invention: uniform welding is fixed on back shroud there are four the linear leaf sets
On the appearance wall of front side, it is in arc-shaped, is provided with the second card hole in the appearance wall of front side.
As a further solution of the present invention: the front shroud is located on front side of back shroud, front side is equipped with bolt；Institute
Bolt is stated in sleeve access threaded hole.
The second axle sleeve ring is weldingly fixed on the middle part inner wall of front shroud as a further solution of the present invention,
In, it is annular in shape, the second kelly is welded on rear side appearance wall；The second kelly inlay card is in third card hole.
Compared with prior art, the utility model has the beneficial effects that
The utility model passes through the setting of linear leaf and short blade, and the thrust of impeller can be improved, increase the work of centrifugal pump
Efficiency；By the setting of interior wheel seat and wheel blade, the thrust of impeller can further improve, work efficiency is high, and design is reasonable；By close
The setting of packing, avoidable medium enter in first axle lantern ring and the second axle sleeve ring, improve service using life；Pass through the first card
Short blade and linear leaf can be fixed in the setting in hole, the second card hole and the first kelly, when impeller high intensity being avoided to operate,
Leaf destruction influences working efficiency；The use of the new type structure is simple, and design rationally, is suitable for centrifugal pump high intensity and operates, have
Stronger practicability.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of high-intensitive centrifugal pump closed type impeller.
Fig. 2 is a kind of structural schematic diagram of the rearview of front shroud in high-intensitive centrifugal pump closed type impeller.
Fig. 3 is a kind of structural schematic diagram of overall diagram in high-intensitive centrifugal pump closed type impeller.
Fig. 4 is a kind of structural schematic diagram of front shroud front view in high-intensitive centrifugal pump closed type impeller.
In figure: 1- back shroud, 2- threaded hole, 3- short blade, 4- linear leaf, the first card hole of 5-, the second card hole of 6-, 7- lubrication groove
Seat, 8- wheel blade, 9- gasket, 10- first axle lantern ring, 11- third card hole, 12- front shroud, 13- sleeve, the first kelly of 14-,
15- the second axle sleeve ring, the second kelly of 16-, 17- bolt.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Please refer to Fig. 1-4, a kind of high intensity centrifugal pump closed type impeller, including back shroud 1；The back shroud 1 is by cast iron system
At, provide support and installation space for the other component on device, it is rounded, middle part be welded with first axle lantern ring 10；
The first axle lantern ring 10 is in circular ring shape, passes through pump shaft, pump shaft is fixed, and is provided with the on two outer walls in front side left and right
Three card holes 11；There are two the third card hole 11 is set, it is symmetrical arranged, mutually agrees with other component；Circle on the outside of first axle lantern ring 10
Week is equipped with gasket 9；The gasket 9 is made of rubber, and is fastened on front side of the middle part of back shroud 1 on appearance wall, is compressed
When form sealing structure, outer circumference is provided with interior wheel seat 7；The interior wheel seat 7 is weldingly fixed on front side of the middle part of back shroud 1
It is in truncated cone-shaped on appearance wall, when pump shaft rotates, and back shroud 1 is driven to rotate, interior wheel seat 7 is rotated simultaneously, front side appearance
Uniform welding is fixed with wheel blade 8 on wall；There are four the wheel blade 8 is set, when the rotation of interior wheel seat 7, wheel blade 8 generates thrust, improves
The working performance of centrifugal pump；Interior 7 outer circumference of wheel seat is evenly distributed with linear leaf 4；There are four the linear leaf 4 is set, uniformly
It is weldingly fixed on the front side appearance wall of back shroud 1, is in arc-shaped, as back shroud 1 is rotated, generate thrust, front side
The second card hole 6 is provided in appearance wall；Second card hole 6 is mutually agreed with other component, and linear leaf 4 is fixed；Linear leaf 4
Short blade 3 is provided in gap；There are four the short blade 3 is set, uniform welding is fixed on the front side appearance wall of back shroud 1,
In arc-shaped, increases thrust when rotating, be provided with the first card hole 5 on the appearance wall of front side；On the peripheral appearance wall in 1 front side of back shroud
It is even that threaded hole 2 is distributed with；Sleeve 13 is cased on front side of the threaded hole 2；13 uniform welding of sleeve is fixed on front shroud 12
On backside peripheral appearance wall；The front shroud 12 is located at 1 front side of back shroud, and front side is equipped with bolt 17；The bolt 17 passes through
Sleeve 13 accesses in threaded hole 2, and front shroud 12 and back shroud 1 are fixed；On 12 rear side middle part appearance wall of front shroud uniformly
It is welded with the first kelly 14；First kelly, 14 inlay card is in the first card hole 5 and the second card hole 6, to short blade 3 and length
Blade 4 is fixed, and improves the intensity of short blade 3 and linear leaf 4, avoids in use, short blade 3 and linear leaf 4 lose influence
Centrifugal pump effect, inside are equipped with the second axle sleeve ring 15；The second axle sleeve ring 15 is weldingly fixed in the middle part of front shroud 12
It is annular in shape in wall, gasket 9 is compressed, sealing structure is formed, when avoiding device rotates, medium enters the first axle sleeve
In ring 10 and the second axle sleeve ring 15, the second kelly 16 is welded on rear side appearance wall；Second kelly, 16 inlay card exists
In third card hole 11, first axle lantern ring 10 and the second axle sleeve ring 15 are fixed.
The working principle of the utility model is: by 16 inlay card of the second kelly in third card hole 11,14 inlay card of the first kelly
In the first card hole 5 and the second card hole 6, then by bolt 17 pass through sleeve 13 be screwed into threaded hole 2, by back shroud 1 with
Front shroud 12 is fixed, and then device is fixedly mounted on pump shaft, start centrifugal pump after, device rotation, make short blade 3 with
Linear leaf 4 generates thrust, while wheel blade 8 improves thrust.
The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective
It makes a variety of changes.
Claims (6)
1. a kind of high intensity centrifugal pump closed type impeller, including back shroud (1)；It is characterized in that, the back shroud (1) is by cast iron system
At rounded, middle part is welded with first axle lantern ring (10)；First axle lantern ring (10) outer circumference is equipped with gasket
(9)；The gasket (9) is made of rubber, and is fastened on front side of the middle part of back shroud (1) on outer wall, outer circumference is set
It is equipped with interior wheel seat (7)；Interior wheel seat (7) outer circumference is evenly distributed with linear leaf (4)；It is set in linear leaf (4) gap
It is equipped with short blade (3)；There are four the short blade (3) sets, uniform welding is fixed on the front side appearance wall of back shroud (1), is in
Arc-shaped, front side appearance wall on be provided with the first card hole (5)；Screw thread is evenly distributed on peripheral appearance wall on front side of back shroud (1)
Hole (2)；Sleeve (13) are cased on front side of the threaded hole (2)；After sleeve (13) uniform welding is fixed on front shroud (12)
On the appearance wall of side periphery；Uniform welding is fixed with the first kelly (14) on the appearance wall of middle part on rear side of the front shroud (12)；It is described
For first kelly (14) inlay card in the first card hole (5) and the second card hole (6), inside is equipped with the second axle sleeve ring (15).
2. a kind of high-intensitive centrifugal pump closed type impeller according to claim 1, which is characterized in that the first axle lantern ring
(10) it is in circular ring shape, is provided with third card hole (11) on the two appearance walls in front side left and right；There are two the third card hole (11) sets,
It is symmetrical arranged.
3. a kind of high-intensitive centrifugal pump closed type impeller according to claim 1, which is characterized in that interior wheel seat (7) weldering
It connects on front side of the middle part for being fixed on back shroud (1) on appearance wall, is in truncated cone-shaped, uniform welding is fixed with wheel blade on the appearance wall of front side
(8)。
4. a kind of high-intensitive centrifugal pump closed type impeller according to claim 1, which is characterized in that the linear leaf (4) sets
There are four, uniform welding is fixed on the front side appearance wall of back shroud (1), is in arc-shaped, is provided with second in the appearance wall of front side
Card hole (6).
5. a kind of high-intensitive centrifugal pump closed type impeller according to claim 1, which is characterized in that the front shroud (12) sets
On front side of back shroud (1), front side is equipped with bolt (17)；The bolt (17) passes through in sleeve (13) access threaded hole (2).
6. a kind of high-intensitive centrifugal pump closed type impeller according to claim 1, which is characterized in that the second axle sleeve ring
(15) it is weldingly fixed in the middle part inner wall of front shroud (12), it is annular in shape, the second card is welded on rear side appearance wall
Bar (16)；Second kelly (16) inlay card is in third card hole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821273623.6U CN208651261U (en) | 2018-08-08 | 2018-08-08 | A kind of high intensity centrifugal pump closed type impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821273623.6U CN208651261U (en) | 2018-08-08 | 2018-08-08 | A kind of high intensity centrifugal pump closed type impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208651261U true CN208651261U (en) | 2019-03-26 |
Family
ID=65788597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821273623.6U Active CN208651261U (en) | 2018-08-08 | 2018-08-08 | A kind of high intensity centrifugal pump closed type impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208651261U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043507A (en) * | 2019-05-23 | 2019-07-23 | 萨震压缩机（上海）有限公司 | A kind of energy-saving centrifugal impeller |
| CN110043507B (en) * | 2019-05-23 | 2024-06-07 | 萨震压缩机（上海）有限公司 | Energy-saving centrifugal impeller |
-
2018
- 2018-08-08 CN CN201821273623.6U patent/CN208651261U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043507A (en) * | 2019-05-23 | 2019-07-23 | 萨震压缩机（上海）有限公司 | A kind of energy-saving centrifugal impeller |
| CN110043507B (en) * | 2019-05-23 | 2024-06-07 | 萨震压缩机（上海）有限公司 | Energy-saving centrifugal impeller |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 58, Kangxing Road, Kenli Development Zone, Dongying City, Shandong Province, 257500 Patentee after: DONGYING SHENGJING PETROLEUM EQUIPMENT Co.,Ltd. Address before: 257500 Zuowang Village, Dongji Town, Kenli County, Dongying City, Shandong Province (100 meters south of the middle section of Tuanjie Road, Kenli District) Patentee before: DONGYING SHENGJING PETROLEUM EQUIPMENT Co.,Ltd. |