CN220470289U - Multistage split pump guide vane sleeve structure - Google Patents
Multistage split pump guide vane sleeve structure Download PDFInfo
- Publication number
- CN220470289U CN220470289U CN202322010252.XU CN202322010252U CN220470289U CN 220470289 U CN220470289 U CN 220470289U CN 202322010252 U CN202322010252 U CN 202322010252U CN 220470289 U CN220470289 U CN 220470289U
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- sleeve
- guide vane
- sleeve body
- flange
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- 238000007789 sealing Methods 0.000 claims abstract description 12
- 238000005299 abrasion Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000007774 longterm Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to the technical field of pumps, in particular to a multistage split pump guide vane sleeve structure which comprises an outer guide vane sleeve and an inner guide vane sleeve, wherein the inner guide vane sleeve is connected inside the outer guide vane sleeve, a sealing sleeve is arranged outside the outer guide vane sleeve, a plurality of groups of locking screws are connected between the outer guide vane sleeve and the inner guide vane sleeve, the outer guide vane sleeve consists of a first sleeve body and a first flange arranged at one end of the first sleeve body, a plurality of groups of limiting grooves are formed in the first sleeve body, the inner guide vane sleeve consists of a second sleeve body and a second flange arranged at one end of the second sleeve body, a plurality of groups of limiting protrusions are arranged outside the second sleeve body, a plurality of groups of mounting holes are formed in the first flange and the second flange, a plurality of groups of limiting nuts are connected to the locking screws, and nuts are arranged at one end of the locking screws.
Description
Technical Field
The utility model relates to the technical field of pumps, in particular to a multistage split pump guide vane sleeve structure.
Background
The guide vanes of the multistage split pump are sleeved in the middle of the guide vanes, wear occurs during long-term operation, leakage is easy to occur, and the guide vanes are frequently replaced.
Therefore, there is a need to design a multi-stage split pump vane sleeve structure to solve the above-mentioned problems in the background art.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and provides a multistage split pump guide vane sleeve structure.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the multi-stage split pump guide vane sleeve structure comprises an outer guide vane sleeve and an inner guide vane sleeve, wherein the inner guide vane sleeve is connected with the outer guide vane sleeve, a sealing sleeve is arranged outside the outer guide vane sleeve, and a plurality of groups of locking screws are connected between the outer guide vane sleeve and the inner guide vane sleeve;
the outer guide vane sleeve consists of a first sleeve body and a first flange arranged at one end of the first sleeve body, and a plurality of groups of limiting grooves are formed in the first sleeve body;
the inner guide vane sleeve consists of a second sleeve body and a second flange arranged at one end of the second sleeve body, and a plurality of groups of limiting protrusions are arranged outside the second sleeve body;
a plurality of groups of mounting holes are formed in the first flange and the second flange;
the locking screw is connected with a plurality of groups of limit nuts, and one end of the locking screw is provided with a nut.
As a preferable scheme of the utility model, the second sleeve body is connected with the first sleeve body in a sleeved mode, and is sleeved and limited by the limiting protrusion and the limiting groove.
As a preferable scheme of the utility model, the first flange and the second flange are connected through a locking screw and limited through a limiting nut.
As a preferable scheme of the utility model, the sealing sleeve is connected with the first sleeve body through sleeve connection.
As a preferred embodiment of the present utility model, the first sleeve is mounted in the middle of the guide vane.
As a preferable scheme of the utility model, the second sleeve body is connected with the pump shaft in a sleeved mode.
In summary, the technical effects and advantages of the present utility model are: this multistage pump stator cover structure of opening in, the second cover body is inside and outside cup joint structure with the first cover body, has certain adjustable space between the second cover body and the first cover body, when wearing and tearing appear, the accessible adjusts the distance between first flange and the second flange of stop nut's position on the locking screw to compensate wearing and tearing part, improve holistic life, connect through cup jointing between seal cover and the first cover body, the first cover body is installed in the middle of the stator department, makes and keeps sealing state between the first cover body and the stator, reduces leakage.
Drawings
FIG. 1 is an overall block diagram of the present utility model;
FIG. 2 is a diagram of an outer vane sleeve structure of the present utility model;
FIG. 3 is a diagram of an inner vane sleeve configuration of the present utility model;
fig. 4 is a block diagram of the locking screw of the present utility model.
In the figure: 1. an outer guide vane sleeve; 101. a first sleeve; 102. a limit groove; 103. a first flange; 2. sealing sleeve; 3. an inner guide vane sleeve; 301. a second sleeve; 302. a limit protrusion; 303. a second flange; 304. a mounting hole; 4. locking the screw rod; 401. a limit nut; 402. and (5) a screw cap.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, a multi-stage split pump guide vane sleeve structure comprises an outer guide vane sleeve 1 and an inner guide vane sleeve 3, wherein the inner guide vane sleeve 3 is connected with the inner guide vane sleeve 1, a sealing sleeve 2 is arranged outside the outer guide vane sleeve 1, and a plurality of groups of locking screws 4 are connected between the outer guide vane sleeve 1 and the inner guide vane sleeve 3; the outer guide vane sleeve 1 consists of a first sleeve body 101 and a first flange 103 arranged at one end of the first sleeve body 101, and a plurality of groups of limiting grooves 102 are arranged in the first sleeve body 101; the inner guide vane sleeve 3 consists of a second sleeve body 301 and a second flange 303 arranged at one end of the second sleeve body 301, and a plurality of groups of limiting protrusions 302 are arranged outside the second sleeve body 301; a plurality of groups of mounting holes 304 are formed in the first flange 103 and the second flange 303; the locking screw 4 is connected with a plurality of groups of limit nuts 401, and one end of the locking screw 4 is provided with a nut 402.
Referring to fig. 1-4, the guide vane sleeve of the multistage split pump is arranged in the middle of a plurality of groups of guide vanes, abrasion occurs during long-term operation, leakage is easy to occur, the guide vane sleeve is frequently replaced, the second sleeve body 301 and the first sleeve body 101 are connected in a sleeved mode and are limited in a sleeved mode through the limiting protrusions 302 and the limiting grooves 102, the first flange 103 and the second flange 303 are connected through the locking screw 4 and are limited through the limiting nuts 401, the second sleeve body 301 and the pump shaft are connected in a sleeved mode, the second sleeve body 301 and the first sleeve body 101 are of an inner-outer sleeved structure, a certain adjustable space is reserved between the second sleeve body 301 and the first sleeve body 101, when abrasion occurs, the distance between the first flange 103 and the second flange 303 can be adjusted through adjusting the positions of the limiting nuts 401 on the locking screw 4, so that abrasion portions can be compensated, and the whole service life is prolonged.
Referring to fig. 1 and 2, the sealing sleeve 2 is connected with the first sleeve body 101 in a sleeved mode, and the first sleeve body 101 is arranged in the middle of the guide vane, so that the first sleeve body 101 and the guide vane are kept in a sealing state, and leakage is reduced.
Working principle: the second sleeve body 301 and the first sleeve body 101 of the multistage split pump guide vane sleeve structure are connected in a sleeved mode and are limited in a sleeved mode through the limiting protrusions 302 and the limiting grooves 102, the first flange 103 and the second flange 303 are connected through the locking screw 4 and are limited through the limiting nuts 401, the second sleeve body 301 and the pump shaft are connected in a sleeved mode, the second sleeve body 301 and the first sleeve body 101 are of an inner and outer sleeved mode, a certain adjustable space is reserved between the second sleeve body 301 and the first sleeve body 101, when abrasion occurs, the distance between the first flange 103 and the second flange 303 can be adjusted through adjusting the position of the limiting nuts 401 on the locking screw 4, therefore abrasion parts are compensated, the overall service life is prolonged, the sealing sleeve 2 and the first sleeve body 101 are connected in a sleeved mode, the first sleeve body 101 is installed in the middle of the guide vane, the sealing state is kept between the first sleeve body 101 and the guide vane, and leakage is reduced.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a multistage split pump stator cover structure, includes outer stator cover (1) and interior stator cover (3), its characterized in that: an inner guide vane sleeve (3) is connected inside the outer guide vane sleeve (1), a sealing sleeve (2) is arranged outside the outer guide vane sleeve (1), and a plurality of groups of locking screws (4) are connected between the outer guide vane sleeve (1) and the inner guide vane sleeve (3);
the outer guide vane sleeve (1) consists of a first sleeve body (101) and a first flange (103) arranged at one end of the first sleeve body (101), and a plurality of groups of limiting grooves (102) are formed in the first sleeve body (101);
the inner guide vane sleeve (3) consists of a second sleeve body (301) and a second flange (303) arranged at one end of the second sleeve body (301), and a plurality of groups of limiting protrusions (302) are arranged outside the second sleeve body (301);
a plurality of groups of mounting holes (304) are formed in the first flange (103) and the second flange (303);
and a plurality of groups of limit nuts (401) are connected to the locking screw (4), and a nut (402) is arranged at one end of the locking screw (4).
2. The multi-stage split pump vane sleeve structure of claim 1, wherein: the second sleeve body (301) is connected with the first sleeve body (101) in a sleeved mode, and is limited in a sleeved mode through the limiting protrusion (302) and the limiting groove (102).
3. The multi-stage split pump vane sleeve structure of claim 1, wherein: the first flange (103) and the second flange (303) are connected through a locking screw (4) and limited through a limiting nut (401).
4. The multi-stage split pump vane sleeve structure of claim 1, wherein: the sealing sleeve (2) is connected with the first sleeve body (101) in a sleeved mode.
5. The multi-stage split pump vane sleeve structure of claim 1, wherein: the first sleeve body (101) is arranged in the middle of the guide vane.
6. The multi-stage split pump vane sleeve structure of claim 1, wherein: the second sleeve body (301) is connected with the pump shaft in a sleeved mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322010252.XU CN220470289U (en) | 2023-07-28 | 2023-07-28 | Multistage split pump guide vane sleeve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322010252.XU CN220470289U (en) | 2023-07-28 | 2023-07-28 | Multistage split pump guide vane sleeve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220470289U true CN220470289U (en) | 2024-02-09 |
Family
ID=89780252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322010252.XU Active CN220470289U (en) | 2023-07-28 | 2023-07-28 | Multistage split pump guide vane sleeve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220470289U (en) |
-
2023
- 2023-07-28 CN CN202322010252.XU patent/CN220470289U/en active Active
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