CN209458135U - A kind of horizontal single-stage single suction corrosion-resistant chemical centrifugal pump - Google Patents
A kind of horizontal single-stage single suction corrosion-resistant chemical centrifugal pump Download PDFInfo
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- CN209458135U CN209458135U CN201920143708.0U CN201920143708U CN209458135U CN 209458135 U CN209458135 U CN 209458135U CN 201920143708 U CN201920143708 U CN 201920143708U CN 209458135 U CN209458135 U CN 209458135U
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- pump
- pump cover
- bearing gland
- resistant chemical
- shaft
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Abstract
A kind of horizontal single-stage single suction corrosion-resistant chemical centrifugal pump, including the pump housing, pump shaft, pump cover and bearing gland；The pump shaft passes through pump cover, is mounted on the pump housing by bearing gland, impeller is provided on the pump shaft, the bearing gland is fixed on the pump housing；The bearing gland includes coupling part and hermetic unit, and the coupling part is fixed by bolt and pump housing cooperation；The hermetic unit includes spring and stainless steel ring, and the hermetic unit and pump shaft cooperation seal；Back blade is provided on the impeller, the pump cover includes pump cover mounting base and pump cover boss, and the pump cover boss inner ring is provided with O-ring seal, and the O-ring seal and back blade cooperate；It improves the intensity of pump cover, reduces the resistance that back blade is subject to, ensure that the efficiency of pump shaft, and easy for installation extend service life.
Description
Technical field
The utility model belongs to centrifugal pump field, in particular to a kind of horizontal single-stage single suction corrosion-resistant chemical centrifugal pump.
Background technique
With the development of science and technology, user uses the requirement of bearing quality higher and higher in centrifugal pump.In electromechanical row
Today that industry continues to develop, since production method is continuously improved, product design is continued to optimize, and according to the demand of user, needs to add
The bearing products of work shield bearing gland is more and more.In the use process of centrifugal pump, usually helped using outside framework oil seal
It seals, is dust-proof, but being needed when outside framework oil seal installation using lubricating grease, easily absorption dust, and increase mounting process.And
When the impeller of centrifugal pump is provided with biggish back blade, impeller forced area increases, and the efficiency of centrifugal pump will appear decline.Together
When pump cover easily occur the case where pump cover damage rupture after a protracted use, lead to centrifugal pump cisco unity malfunction.Therefore
It needs to design the corrosion resisting centrifugal pump that one kind is quick for installation, guarantees sealing, ensures efficiency and long working life.
Summary of the invention
The purpose of this utility model is to solve above-mentioned technical problem, provides a kind of corrosion-resistant chemical industry of horizontal single-stage single suction
Centrifugal pump.
In order to achieve the above technical purposes, reach above-mentioned technical requirements, the technology employed by the present utility model is
A kind of horizontal single-stage single suction corrosion-resistant chemical centrifugal pump, including the pump housing, pump shaft, pump cover and bearing gland；The pump shaft passes through
Pump cover is mounted on the pump housing by bearing gland, and impeller is provided on the pump shaft, and the bearing gland is fixed on the pump housing
On；It is characterized by: the bearing gland includes coupling part and hermetic unit, the coupling part passes through bolt and pump
Body cooperation is fixed；The hermetic unit includes spring and stainless steel ring, and the hermetic unit and pump shaft cooperation seal；It is described
Impeller on be provided with back blade, the pump cover includes pump cover mounting base and pump cover boss, and the pump cover boss inner ring is set
It is equipped with O-ring seal, the O-ring seal and back blade cooperate.
Preferred: the stainless steel ring and pump shaft cooperates, and seals under the action of the spring.
Preferred: the back blade and O-ring seal and pump cover boss form half-opened impeller.
Preferred: the O-ring seal is fixed by screws on pump cover boss.
Preferred: the pump cover mounting base and pump cover boss increases the contact area of pump cover and stoste.
The beneficial effects of the utility model are: a kind of horizontal single-stage single suction corrosion-resistant chemical centrifugal pump, with traditional structure phase
Than the intensity that: pump cover mounting base and pump cover boss improve pump cover, it is ensured that damage rupture does not occur in pump cover；O-ring seal improves
Sealing performance, back blade and pump cover boss, O-ring seal on impeller form opposite half-opened impeller, reduce back blade
The resistance being subject to ensure that the efficiency of pump shaft；The spring and stainless steel ring Fast Installation being arranged in the hermetic unit of bearing gland
After on pump shaft, can effectively it be bonded with pump shaft；Not only pump cover intensity is enhanced, and the installation of bearing gland also facilitates
Fast, and the service life of corrosion-resistant chemical centrifugal pump is extended, also as save the expenditure of cost.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model pump cover structure schematic diagram；
Fig. 3 is the utility model bearing gland structure schematic diagram；
1. the pump housing；2. pump shaft；3. pump cover；3-1. pump cover mounting base；3-2. pump cover boss；3-3.O type sealing ring；4. bearing
Gland；4-1. coupling part；4-2. hermetic unit；4-3. bolt；4-4. spring；4-5. stainless steel ring；5. impeller；5-1. notopodium
Piece.
Specific embodiment
It is described further with reference to the accompanying drawing to originally practical；
In the accompanying drawings: a kind of horizontal single-stage single suction corrosion-resistant chemical centrifugal pump, including the pump housing 1, pump shaft 2, pump cover 3 and bearing
Gland 4；The pump shaft 2 passes through pump cover 3, is mounted on the pump housing 1 by bearing gland 4, is provided with impeller on the pump shaft 2
5, the bearing gland 4 is fixed on the pump housing 1；It is characterized by: the bearing gland 4 include coupling part 4-1 with it is close
Part 4-2 is sealed, the coupling part 4-1 is fixed by bolt 4-3 and the cooperation of the pump housing 1；The hermetic unit 4-2 includes bullet
Spring 4-4 and stainless steel ring 4-5, the hermetic unit 4-2 and the cooperation of pump shaft 2 seal；Back blade is provided on the impeller 5
5-1, the pump cover 3 include that pump cover mounting base 3-1 and pump cover boss 3-2, the pump cover boss 3-2 inner ring are provided with O-shaped
Sealing ring 3-3, the O-ring seal 3-3 and back blade 5-1 cooperation.
The stainless steel ring 4-5 and pump shaft 2 cooperates, and seals under the action of spring 4-4.
The back blade 5-1 and O-ring seal 3-3 and pump cover boss 3-2 form half-opened impeller.
The O-ring seal 3-3 is fixed by screws on pump cover boss 3-2.
The pump cover mounting base 3-1 and pump cover boss 3-2 increases the contact area of pump cover 3 Yu stoste.
When specific implementation:
The pump cover mounting base 3-1 and pump cover boss 3-2 that are arranged on pump cover 3 improve the intensity of pump cover 3, it is ensured that pump cover 3 exists
Prolonged use is subjected to after stoste ceaselessly impacts, still is able to guarantee quality, damage rupture do not occur；Pump cover boss 3-2
Inner ring improves sealing performance by the fixed O-ring seal 3-3 of screw, and O-ring seal 3-3 is not only simple in structure, price is low
Honest and clean and frictional resistance is small, does not influence the working efficiency of impeller 5；It is back blade 5-1 and pump cover boss 3-2 on impeller 5, O-shaped close
Seal 3-3 forms opposite half-opened impeller, and the area of back blade 5-1 reduces, and the resistance being subject to also reduces, and fabulous ensure that
The efficiency of pump shaft 2；The spring 4-4 and stainless steel ring 4-5 being arranged in the hermetic unit of bearing gland 4 then can effectively and pump shaft
2 are bonded, compared with using outside framework oil seal, reduce installation procedure, it is convenient for disassembly and assembly while, moreover it is possible to be bonded closely with pump shaft 2.
Above-described embodiment is only intended to clearly illustrate description made by the utility model, and not to the limit of embodiment
It is fixed, to those of ordinary skill in the art, other various forms of variations can also be made on the basis of the above description
Or change, there is no necessity and possibility to exhaust all the enbodiments, and the obvious variation thus amplified out
Or it changes among still in the protection scope of the utility model.
Claims (5)
1. a kind of horizontal single-stage single suction corrosion-resistant chemical centrifugal pump, including the pump housing (1), pump shaft (2), pump cover (3) and bearing gland
(4)；The pump shaft (2) passes through pump cover (3), is mounted on the pump housing (1) by bearing gland (4), the pump shaft is set on (2)
It is equipped with impeller (5), the bearing gland (4) is fixed on the pump housing (1)；It is characterized by: the bearing gland (4) includes
Coupling part (4-1) and hermetic unit (4-2), the coupling part (4-1) is provided with threaded connection hole (4-3) and the pump housing
(1) cooperation is fixed；The hermetic unit (4-2) includes spring (4-4) and stainless steel ring (4-5), the hermetic unit (4-
2) it is sealed with pump shaft (2) cooperation；It is provided with back blade (5-1) on the impeller (5), the pump cover (3) includes pump cover peace
Dress seat (3-1) and pump cover boss (3-2), described pump cover boss (3-2) inner ring are provided with O-ring seal (3-3), the O
Type sealing ring (3-3) and back blade (5-1) cooperate.
2. a kind of horizontal single-stage single suction corrosion-resistant chemical centrifugal pump according to claim 1, it is characterised in that: it is described not
Rust steel loop (4-5) and pump shaft (2) cooperate, and seal under the action of spring (4-4).
3. a kind of horizontal single-stage single suction corrosion-resistant chemical centrifugal pump according to claim 1, it is characterised in that: the back
Blade (5-1) and O-ring seal (3-3) and pump cover boss (3-2) form half-opened impeller.
4. a kind of horizontal single-stage single suction corrosion-resistant chemical centrifugal pump according to claim 1, it is characterised in that: the O
Type sealing ring (3-3) is fixed by screws on pump cover boss (3-2).
5. a kind of horizontal single-stage single suction corrosion-resistant chemical centrifugal pump according to claim 1, it is characterised in that: the pump
Lid mounting base (3-1) and pump cover boss (3-2) increase the contact area of pump cover (3) and stoste.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920143708.0U CN209458135U (en) | 2019-01-28 | 2019-01-28 | A kind of horizontal single-stage single suction corrosion-resistant chemical centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920143708.0U CN209458135U (en) | 2019-01-28 | 2019-01-28 | A kind of horizontal single-stage single suction corrosion-resistant chemical centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209458135U true CN209458135U (en) | 2019-10-01 |
Family
ID=68045939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920143708.0U Active CN209458135U (en) | 2019-01-28 | 2019-01-28 | A kind of horizontal single-stage single suction corrosion-resistant chemical centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209458135U (en) |
-
2019
- 2019-01-28 CN CN201920143708.0U patent/CN209458135U/en active Active
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