CN109779915A - A kind of removable centrifugal pump with sealing structure - Google Patents
A kind of removable centrifugal pump with sealing structure Download PDFInfo
- Publication number
- CN109779915A CN109779915A CN201811556154.3A CN201811556154A CN109779915A CN 109779915 A CN109779915 A CN 109779915A CN 201811556154 A CN201811556154 A CN 201811556154A CN 109779915 A CN109779915 A CN 109779915A
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- CN
- China
- Prior art keywords
- centrifugal pump
- impeller
- mounting plate
- sealing structure
- hermetically sealed
- 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.)
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Abstract
The present invention provides a kind of removable centrifugal pump with sealing structure, including centrifugal pump casing, impeller and seal assembly；The inner cavity of centrifugal pump casing is adapted with impeller, and the right side opening of centrifugal pump casing is equipped with mounting hole；Impeller is fitted in the inner cavity of centrifugal pump casing；Seal assembly includes mounting plate and abutting plate, mounting plate is placed in the right side of impeller, its side is arranged with hermetically sealed case, the right side central of mounting plate is fitted with motor, hermetically sealed case structure in a circular table shape, its middle part offers through-hole compatible with mounting plate in the axial direction, and mounting hole is adapted with the shape of hermetically sealed case, pushes against the right side that plate is placed in mounting plate.The beneficial effects of the present invention are: it is structurally reasonable, under the premise of being changed without whole centrifugal pump, the timely cleaning and replacement to impeller are realized, and by using seal assembly, it can guarantee the leakproofness between hermetically sealed case and mounting hole, it is ensured that the normal work of the centrifugal pump after replacement.
Description
Technical field
The present invention relates to centrifugation pump technical field more particularly to a kind of removable centrifugal pumps with sealing structure.
Background technique
The total (pumping) head of centrifugal pump=water suction lift+pressure bigcatkin willow journey, wherein water suction lift is determined by atmospheric pressure.Currently, existing
Centrifugal pump impeller is more difficult in maintenance and replacement, considerably increases cost when maintenance and replacement and time, affects
The working efficiency of centrifugal pump, and in order to realize the replacement to impeller, shortage can guarantee the structure of centrifugal valve overall sealing performance,
It is difficult to ensure the normal work of centrifugal pump.
Summary of the invention
To solve the above problems, the invention discloses a kind of removable centrifugal pump with sealing structure, whole being changed without
Under the premise of body centrifugal pump, the timely cleaning and replacement to impeller are realized, and can guarantee that the centrifugal pump after replacement is integrally close
Feng Xing, it is ensured that the normal work of centrifugal pump.
In order to reach the goals above, the invention provides the following technical scheme:
A kind of removable centrifugal pump with sealing structure, it is characterised in that: including centrifugal pump casing, impeller and seal assembly；
The inner cavity of the centrifugal pump casing is adapted with impeller, and the right side opening of centrifugal pump casing is equipped with installation compatible with impeller
Hole, the mounting hole are bellmouth；The impeller is fitted in the inner cavity of centrifugal pump casing；The seal assembly includes peace
Loading board and abutting plate, the mounting plate are placed in the right side of impeller, and the mounting plate is circular slab, and its side is arranged with outside sealing
Set, the right side central of the mounting plate are fitted with motor, and the motor shaft of the motor is arranged to the left, and pass through mounting plate
Middle part, the impeller are fitted on motor shaft, the hermetically sealed case structure in a circular table shape, and middle part opens up in the axial direction
There is through-hole compatible with mounting plate, and its left end outer diameter is less than right end outer diameter, the shape phase of the mounting hole and hermetically sealed case
Adaptation, the right side for pushing against plate and being placed in mounting plate, and push against plate and connect by bolt with centrifugal pump casing.
Further, the hermetically sealed case is rubber seal housing.
Further, the abutting plate is circular slab, has a diameter larger than the right end outer diameter of hermetically sealed case, and bolt is evenly arranged on
In the circumferential direction for pushing against plate.
Further, the left side central portion of the centrifugal pump casing offers inlet, and upper end is equipped with liquid outlet.
Further, the inlet and liquid outlet are connected with the inner cavity of centrifugal pump casing.
Further, the motor shaft left end of the motor is additionally provided with spacing head.
Further, the motor outer is equipped with protective shell.
Further, the bottom of the centrifugal pump casing is equipped with pedestal.
Compared with prior art, the beneficial effects of the present invention are: it is structurally reasonable, in the premise for being changed without whole centrifugal pump
Under, the timely cleaning and replacement to impeller are realized, maintenance and replacement cost is reduced, ensure that the working efficiency of centrifugal pump,
And by using seal assembly, under the conical surface effect of mounting hole, it is ensured that the leakproofness between hermetically sealed case and mounting hole,
The normal work of centrifugal pump after ensuring replacement.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the removable centrifugal pump with sealing structure of the present invention.
Reference signs list:
1- centrifugal pump casing, 2- impeller, 3- mounting plate, 4- abutting plate, 5- hermetically sealed case, 6- motor, 7- bolt, 8- spacing head,
9- protective shell, 10- pedestal.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following specific embodiments are only
For illustrating the present invention rather than limiting the scope of the invention.It should be noted that word " preceding " used in the following description,
" rear ", "left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" refer respectively to direction or remote
Direction from geometric center of specific component.
As shown, a kind of removable centrifugal pump with sealing structure, including centrifugal pump casing 1, impeller 2 and sealing group
Part；The inner cavity of centrifugal pump casing 1 is adapted with impeller 2, and the right side opening of centrifugal pump casing 1 is equipped with peace compatible with impeller 2
Hole is filled, mounting hole is bellmouth；Impeller 2 is fitted in the inner cavity of centrifugal pump casing 1；Seal assembly includes 3 He of mounting plate
Plate 4 is pushed against, mounting plate 3 is placed in the right side of impeller 2, and mounting plate 3 is circular slab, and its side is arranged with hermetically sealed case 5, mounting plate
3 right side central is fitted with motor 6, and the motor shaft of motor 6 is arranged to the left, and passes through the middle part of mounting plate 3, and impeller 2 is matched
Conjunction is mounted on motor shaft, the structure in a circular table shape of hermetically sealed case 5, and middle part offers in the axial direction to be adapted with mounting plate 3
Through-hole, and its left end outer diameter is less than right end outer diameter, and mounting hole is adapted with the shape of hermetically sealed case 5, and abutting plate 4 is placed in installation
The right side of plate 3, and push against plate 4 and connect by bolt 7 with centrifugal pump casing 1.
In the present embodiment, hermetically sealed case 5 is rubber seal housing.
In the present embodiment, pushing against plate is circular slab, has a diameter larger than the right end outer diameter of hermetically sealed case, and bolt 7 is uniformly distributed
In the circumferential direction for pushing against plate 4.
In the present embodiment, the left side central portion of centrifugal pump casing 1 offers inlet, and upper end is equipped with liquid outlet.
In the present embodiment, inlet and liquid outlet are connected with the inner cavity of centrifugal pump casing 1.
In the present embodiment, the motor shaft left end of motor 6 is additionally provided with spacing head 8.
In the present embodiment, protective shell 9 is arranged with outside motor 4.
In the present embodiment, the bottom of centrifugal pump casing 1 is equipped with pedestal 10.
When in use, by screwing bolts 7, so that mounting plate 3 is moved toward one another with centrifugal pump casing 1, in the cone of mounting hole
Under the effect of face, it is ensured that the leakproofness between hermetically sealed case 5 and mounting hole, it is ensured that the normal work of the centrifugal pump after replacement.
The technical means disclosed in the embodiments of the present invention is not limited only to technological means disclosed in above embodiment, further includes
Technical solution consisting of any combination of the above technical features.It should be pointed out that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (8)
1. a kind of removable centrifugal pump with sealing structure, it is characterised in that: including centrifugal pump casing (1), impeller (2) and close
Sealing assembly；The inner cavity of the centrifugal pump casing (1) is adapted with impeller (2), and the right side opening of centrifugal pump casing (1) is equipped with and leaf
(2) compatible mounting hole is taken turns, the mounting hole is bellmouth；The impeller (2) is fitted to the interior of centrifugal pump casing (1)
In chamber；The seal assembly includes mounting plate (3) and pushes against plate (4), and the mounting plate (3) is placed in the right side of impeller (2), described
Mounting plate (3) is circular slab, and its side is arranged with hermetically sealed case (5), and the right side central of the mounting plate (3) is fitted with
The motor shaft of motor (6), the motor (6) is arranged to the left, and passes through the middle part of mounting plate (3), and the impeller (2) is coupled
On motor shaft, the hermetically sealed case (5) structure in a circular table shape, middle part offers and mounting plate (3) Xiang Shi in the axial direction
The through-hole matched, and its left end outer diameter is less than right end outer diameter, the mounting hole is adapted with the shape of hermetically sealed case (5), described to support
Tight plate (4) is placed in the right side of mounting plate (3), and pushes against plate (4) and connect by bolt (7) with centrifugal pump casing (1).
2. a kind of removable centrifugal pump with sealing structure according to claim 1, it is characterised in that: outside the sealing
Covering (5) is rubber seal housing.
3. a kind of removable centrifugal pump with sealing structure according to claim 1, it is characterised in that: the abutting plate
For circular slab, the right end outer diameter of hermetically sealed case is had a diameter larger than, and bolt (7) is evenly arranged in the circumferential direction for pushing against plate (4).
4. a kind of removable centrifugal pump with sealing structure according to claim 1, it is characterised in that: the centrifugal pump
The left side central portion of shell (1) offers inlet, and upper end is equipped with liquid outlet.
5. a kind of removable centrifugal pump with sealing structure according to claim 4, it is characterised in that: the inlet
It is connected with the inner cavity of centrifugal pump casing (1) with liquid outlet.
6. a kind of removable centrifugal pump with sealing structure according to claim 1, it is characterised in that: the motor
(6) motor shaft left end is additionally provided with spacing head (8).
7. a kind of removable centrifugal pump with sealing structure according to claim 1, it is characterised in that: the motor
(4) protective shell (9) are arranged with outside.
8. a kind of removable centrifugal pump with sealing structure according to claim 1, it is characterised in that: the centrifugal pump
The bottom of shell (1) is equipped with pedestal (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811556154.3A CN109779915A (en) | 2018-12-19 | 2018-12-19 | A kind of removable centrifugal pump with sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811556154.3A CN109779915A (en) | 2018-12-19 | 2018-12-19 | A kind of removable centrifugal pump with sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109779915A true CN109779915A (en) | 2019-05-21 |
Family
ID=66497313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811556154.3A Pending CN109779915A (en) | 2018-12-19 | 2018-12-19 | A kind of removable centrifugal pump with sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109779915A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032058A (en) * | 2020-09-10 | 2020-12-04 | 安徽银龙泵阀股份有限公司 | Centrifugal pump convenient to dismantle maintenance |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0211051A1 (en) * | 1985-02-01 | 1987-02-25 | Interseal Holdings Limited | Mechanical seal. |
| CN201354754Y (en) * | 2009-01-12 | 2009-12-02 | 四川川工泵业有限公司 | Pump body combination seal structure of single-pump casing slurry pump |
| CN201582182U (en) * | 2009-10-20 | 2010-09-15 | 山东双轮股份有限公司 | Slurry pump protective plate and pump shell sealing device |
| CN201865980U (en) * | 2010-12-02 | 2011-06-15 | 四川川工泵业有限公司 | Novel pump chamber structure of petroleum sand pump |
| CN203441807U (en) * | 2013-08-26 | 2014-02-19 | 四川川工泵业有限公司 | Novel single-pump case slurry pump structure |
-
2018
- 2018-12-19 CN CN201811556154.3A patent/CN109779915A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0211051A1 (en) * | 1985-02-01 | 1987-02-25 | Interseal Holdings Limited | Mechanical seal. |
| CN201354754Y (en) * | 2009-01-12 | 2009-12-02 | 四川川工泵业有限公司 | Pump body combination seal structure of single-pump casing slurry pump |
| CN201582182U (en) * | 2009-10-20 | 2010-09-15 | 山东双轮股份有限公司 | Slurry pump protective plate and pump shell sealing device |
| CN201865980U (en) * | 2010-12-02 | 2011-06-15 | 四川川工泵业有限公司 | Novel pump chamber structure of petroleum sand pump |
| CN203441807U (en) * | 2013-08-26 | 2014-02-19 | 四川川工泵业有限公司 | Novel single-pump case slurry pump structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032058A (en) * | 2020-09-10 | 2020-12-04 | 安徽银龙泵阀股份有限公司 | Centrifugal pump convenient to dismantle maintenance |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190521 |
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| RJ01 | Rejection of invention patent application after publication |