CN203230613U - Double suction pump - Google Patents
Double suction pump Download PDFInfo
- Publication number
- CN203230613U CN203230613U CN 201320218573 CN201320218573U CN203230613U CN 203230613 U CN203230613 U CN 203230613U CN 201320218573 CN201320218573 CN 201320218573 CN 201320218573 U CN201320218573 U CN 201320218573U CN 203230613 U CN203230613 U CN 203230613U
- Authority
- CN
- China
- Prior art keywords
- pump
- drive end
- axle sleeve
- double suction
- shaft
- 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
- 239000000945 filler Substances 0.000 claims abstract description 4
- 238000012856 packing Methods 0.000 claims description 23
- 210000004534 cecum Anatomy 0.000 claims description 6
- 210000004907 gland Anatomy 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a double suction pump which comprises a pump body. The double suction pump is characterized in that the pump body is provided with a driving end of a pump shaft (21) and a non-driving end of a shaft, the driving end and the non-driving end are provided with a driving end bearing body (24) and a blind end bearing body (38) respectively, an impeller (9) is mounted between a driving end mechanical seal shaft sleeve (12) and a non-driving end filler seal shaft sleeve (7), and a mechanical seal (15) is mounted to the pump shaft through the driving end mechanical seal shaft sleeve and pressed to the pump shaft by a mechanical seal body (13). The double suction pump has the advantages of reasonable structural design, high working stability and low manufacturing cost.
Description
Technical field
The utility model relates to a kind of double suction pump.
Background technique
Double suction pump uses comparatively extensive in engineering because its lift is higher and flow is bigger.But in the prior art, the double suction pump structure is comparatively complicated, and manufacture cost is higher, in the course of the work, and the less stable of its work.
Summary of the invention
The purpose of this utility model is exactly in order to address the above problem, and a kind of double suction pump is provided.
To achieve these goals, the utility model adopts following technological scheme:
A kind of double suction pump, it comprises: the pump housing, it is characterized in that, the described pump housing has the drive end of a pump shaft (21) and the anti-drive end of an axle, described drive end and anti-drive end are respectively arranged with drive end bearing body (24) and cecum bearing support (38), impeller (9) is installed on and drives between terminal envelope axle sleeve (12) and the anti-drive end packing seal axle sleeve (7), mechanical seal (15) is installed on pump shaft by driving terminal envelope axle sleeve, and this mechanical seal is pressed by mechanical seal body (13) and is located at pump shaft.
Further, described anti-drive end packing seal axle sleeve is provided with the rotary shaft lip seal (2) that is installed on pump shaft.
Further, the pump shaft of described drive end is equipped with pump coupling (22).
Further, anti-drive end packing seal axle sleeve outside has filler (6) and the packing ring (31) of being located at packing seal body (32) and anti-drive end packing seal shaft room by Gland (5) pressure.
Further, described impeller is equipped with O-ring seals (30) with driving terminal envelope axle sleeve (12) and anti-drive end packing seal axle sleeve (7).
The beneficial effects of the utility model are: the utility model reasonable in design, the higher and low cost of manufacture of working stability.
Description of drawings
Fig. 1 is the double suction pump structural representation.
Fig. 2 is double suction pump suction flange structural representation.
Fig. 3 is double suction pump outlet(discharge) flange structural representation.
Fig. 4 is the double suction pump sectional view.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Shown in Fig. 1-4, a kind of double suction pump, it comprises: the pump housing, the pump housing has an entry end and an outlet end, the pipeline of described entry end and outlet end is respectively equipped with suction flange M, outlet(discharge) flange N, the described pump housing has the drive end of a pump shaft 21 and the anti-drive end of an axle, described drive end and anti-drive end are respectively arranged with drive end bearing body 24 and cecum bearing support 38, pump shaft directly is installed on the deep groove ball bearing 1 of drive end bearing body and cecum bearing support and sheathed bearing sleeve 36 between the two, impeller 9 is installed on and drives between terminal envelope axle sleeve 12 and the anti-drive end packing seal axle sleeve 7, mechanical seal 15 is installed on pump shaft by driving terminal envelope axle sleeve, this mechanical seal is pressed by mechanical seal body 13 and is located at pump shaft, between pump cover 8 and mechanical seal body, be provided with O-ring seals 14, the right side that is positioned at mechanical seal body 13 and mechanical seal 15 is provided with machine sealed cover 16, and this machine sealed cover cooperates spring washer 28 to be fixed in mechanical seal body 13 by hexagon head bolt 27.
Be provided with O-ring seals 17 between described driving terminal envelope axle sleeve 12 and the pump shaft.
Deep groove ball bearing 1 left side of described cecum bearing support is provided with bearing washer 37 and butterfly spring 39, female nut 40.
The deep groove ball bearing right side of drive end bearing body 24 is provided with end ring 18 and circlip for shaft 25, be provided with rotary shaft lip seal 19 between drive end bearing body 24 and the pump shaft, the left side of drive end bearing body 24 is to be located at the sealing cover and the drive end bearing body 24 that drive terminal envelope axle sleeve outside fixedly to be an one-piece element with sealing cover by hexagon head bolt 20, and this one-piece element cooperates elastic washer 27 to be installed on lower half portion housing of the pump housing by hexagon head bolt 26.
Described anti-drive end packing seal axle sleeve is provided with the rotary shaft lip seal 2 that is installed on pump shaft.
The pump shaft of described drive end is equipped with pump coupling 22, and this pump coupling has parallel key 23.
Anti-drive end packing seal axle sleeve outside has by Gland 5 presses filler 6 and the packing ring 31 of being located at packing seal body 32 and anti-drive end packing seal shaft room, and Gland 5 is fixed in packing seal body 32 by stud 33, nut 34, spring washer 35.
Described impeller is equipped with O-ring seals 30 with driving terminal envelope axle sleeve 12 and anti-drive end packing seal axle sleeve 7.
Among the figure, label 3 is for being located at the bearing gland at cecum bearing support 38 places, label 4 is for being located at the water retaining ring on the anti-drive end packing seal axle sleeve 7, label 8 is the pump cover of the pump housing, this pump cover 8 has the working room of impeller, label 10 is for being located at the water cleaning hose parts at pump cover top, the seal ring of label 11 for arranging between the pump cover wall in the working room of pump cover and the impeller, label 41 is the hexagon head bolt of housing about the fixing pump housing, label 42 is for being sheathed on the spring washer of hexagon head bolt, and label 43 is for being located at foreign side's pipe plug at pump housing top.
The above only is preferred implementation of the present utility model, and protection domain of the present utility model is not limited in above-mentioned mode of execution, and every technological scheme that belongs to the utility model principle all belongs to protection domain of the present utility model.For a person skilled in the art, some improvement of under the prerequisite that does not break away from principle of the present utility model, carrying out, these improvement also should be considered as protection domain of the present utility model.
Claims (5)
1. double suction pump, it comprises: the pump housing, it is characterized in that, the described pump housing has the drive end of a pump shaft (21) and the anti-drive end of an axle, described drive end and anti-drive end are respectively arranged with drive end bearing body (24) and cecum bearing support (38), impeller (9) is installed on and drives between terminal envelope axle sleeve (12) and the anti-drive end packing seal axle sleeve (7), mechanical seal (15) is installed on pump shaft by driving terminal envelope axle sleeve, and this mechanical seal is pressed by mechanical seal body (13) and is located at pump shaft.
2. double suction pump as claimed in claim 1 is characterized in that, described anti-drive end packing seal axle sleeve is provided with the rotary shaft lip seal (2) that is installed on pump shaft.
3. double suction pump as claimed in claim 1 is characterized in that, the pump shaft of described drive end is equipped with pump coupling (22).
4. double suction pump as claimed in claim 1 is characterized in that, anti-drive end packing seal axle sleeve outside has by Gland (5) presses filler (6) and the packing ring (31) of being located at packing seal body (32) and anti-drive end packing seal shaft room.
5. double suction pump as claimed in claim 1 is characterized in that, described impeller is equipped with O-ring seals (30) with driving terminal envelope axle sleeve (12) and anti-drive end packing seal axle sleeve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320218573 CN203230613U (en) | 2013-04-26 | 2013-04-26 | Double suction pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320218573 CN203230613U (en) | 2013-04-26 | 2013-04-26 | Double suction pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203230613U true CN203230613U (en) | 2013-10-09 |
Family
ID=49286742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320218573 Expired - Fee Related CN203230613U (en) | 2013-04-26 | 2013-04-26 | Double suction pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203230613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524602A (en) * | 2017-10-20 | 2017-12-29 | 项达章 | Anti-cavitation single-stage double-suction middle-opening pump |
-
2013
- 2013-04-26 CN CN 201320218573 patent/CN203230613U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524602A (en) * | 2017-10-20 | 2017-12-29 | 项达章 | Anti-cavitation single-stage double-suction middle-opening pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131009 Termination date: 20140426 |