CN215672869U - Vertical pump water guide structure without water guide cover - Google Patents
Vertical pump water guide structure without water guide cover Download PDFInfo
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- CN215672869U CN215672869U CN202121497044.1U CN202121497044U CN215672869U CN 215672869 U CN215672869 U CN 215672869U CN 202121497044 U CN202121497044 U CN 202121497044U CN 215672869 U CN215672869 U CN 215672869U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 94
- 238000007789 sealing Methods 0.000 claims abstract description 86
- 230000005540 biological transmission Effects 0.000 claims description 27
- 238000012856 packing Methods 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 210000004907 gland Anatomy 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000007704 transition Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000945 filler Substances 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a water guide structure of a vertical pump without a water guide cover, which comprises a water outlet pipe connected with a water outlet of a pump body of the vertical pump, wherein the water outlet pipe comprises a vertical lower pipe and a vertical upper pipe which are connected with the pump body, a T-shaped water guide pipe is fixedly connected between the vertical lower pipe and the vertical upper pipe, a mounting disc is fixed on the outer side of the top of the vertical upper pipe, a sealing disc is fixed on the top of the mounting disc, a first sealing ring is arranged between the sealing disc and the mounting disc, a sealing seat is arranged at the top of a through hole, a second sealing ring is arranged between the sealing seat and the sealing disc, a sealing cavity is arranged in the sealing seat, and a sealing filler layer is arranged in the sealing cavity. The water outlet pipe is divided into a three-section structure, the water guide cover is removed from the water outlet pipe, the sealing disc bears impact force, the impact resistance is realized, the overall structure is stable, the noise vibration problem is reduced, the overall structure is simple, the overall manufacturing period of the pump is saved, and the labor cost is saved; the water flow forms a water guide transition surface by itself, so the hydraulic transition surface is smooth and the loss is small.
Description
Technical Field
The utility model relates to a water guide structure of a vertical pump without a water guide cover, and belongs to the technical field of water pumps.
Background
At the water guide and water outlet end of the existing vertical water pump, a water guide cover 01 is arranged at the turning position of a water outlet pipe 02, and water pumped out by rotating an impeller in a water pump body under the driving of a rotating shaft 03 through the water guide cover 01 flows back to a horizontal water outlet pipe from a vertical water outlet pipe 02 as shown in figure 1, so that the water guide cover is difficult and complicated to weld, long in manufacturing period and high in labor cost; the bearing impact is large, and a transmission shaft through hole is reserved on the water guide cover, so that the structural strength is unstable, and the problem of vibration fracture is easily caused; and the arrangement of the water guide cover ensures that the flow state of the horizontal water outlet part is serious in bias flow.
SUMMERY OF THE UTILITY MODEL
The utility model provides a water guide structure of a vertical pump without a water guide cover, which solves the problems that the welding is difficult and complicated, the manufacturing period is long and the labor cost is high because the water guide cover is arranged at the current water guide position; the bearing impact is large, and a transmission shaft through hole is reserved on the water guide cover, so that the structural strength is unstable, and the problem of vibration fracture is easily caused; and the water guide cover is arranged, so that the flow state at the horizontal water outlet part is serious in drift.
The utility model relates to a water guide structure of a vertical pump without a water guide cover, which comprises a water outlet pipe connected with a water outlet of a pump body of the vertical pump, wherein a transmission shaft connected with an impeller in the vertical pump is arranged in the water outlet pipe, the top of the transmission shaft is connected with a driving motor, the water outlet pipe comprises a vertical lower pipe and a vertical upper pipe which are connected with the pump body, a T-shaped water guide pipe is fixedly connected between the vertical lower pipe and the vertical upper pipe, the outer side of the top of the vertical upper pipe is fixedly provided with an installation disc, the top of the installation disc is fixedly provided with a sealing disc, a first sealing ring is arranged between the sealing disc and the installation disc, a middle piece of the sealing disc is provided with a through hole, a support sleeve is fixed in the through hole, the transmission shaft is rotatably arranged on the support sleeve through a water bearing, the top of the through hole is provided with a sealing seat fixed on the sealing disc, a second sealing ring is arranged between the sealing seat and the sealing disc, a sealing cavity is arranged in the sealing cavity, and the sealing packing cover is arranged at the top of the sealing packing, and a wear-resistant sleeve is fixed on the transmission shaft on the inner side of the sealing packing layer, a sealing ring III is arranged between the wear-resistant sleeve and the transmission shaft, an exhaust hole is formed in the sealing disc, the outer end of the exhaust hole is connected with an exhaust pipe, and an exhaust valve is arranged on the exhaust pipe. The exhaust pipe can open the exhaust valve to exhaust gas before the water pump is started.
And the outer walls of the vertical upper pipe, the vertical lower pipe and the water guide pipe are respectively fixed with a first reinforcing rib plate. The structure is more firm, and intensity is higher.
The outer walls of the joints of the vertical upper pipe, the vertical lower pipe and the water guide pipe are respectively fixed with a first connecting flange, a sealing groove and a sealing bulge which are matched with each other to form labyrinth seal are arranged on the matching surface of the first connecting flange, and a fourth sealing ring is arranged between the sealing groove and the sealing bulge. The connection is convenient, the sealing performance is better, and liquid leakage is prevented.
The supporting sleeve is divided into a plurality of sections, the uppermost section of supporting sleeve is fixed with the inner hole in the middle of the sealing disc, the lowermost section of supporting sleeve is fixed with the guide shell in the pump body, the adjacent supporting sleeves are connected through a second connecting flange, and a sealing groove and a sealing bulge which are matched to form labyrinth seal are arranged on the matching surface of the second connecting flange. The transmission shaft, the supporting sleeve and the water bearing are convenient to install.
The transmission shaft is a multi-section structure, two adjacent sections of transmission shafts are connected through a coupler, a bearing seat is installed at the upper end of each transmission shaft through a bearing, a support frame is fixed at the lower end of each bearing seat, the lower end of each support frame is fixed with a closed disc, a motor frame is fixed at the top of each mounting disc, and a driving motor is fixed at the top of each motor frame.
The utility model has the following beneficial effects:
the water outlet pipe is divided into a three-section structure, the water guide cover is removed from the water outlet pipe, the sealing disc bears impact force, the thickness of the sealing disc can be set according to needs, the whole structure is strong, impact resistance is realized, the whole structure is stable, the noise vibration problem is reduced, the whole structure is simple, the whole manufacturing period of the pump is saved, and the labor cost is saved; the water flow forms a water guide transition surface by itself, so the hydraulic transition surface is smooth and the loss is small.
Drawings
FIG. 1 is a schematic diagram of a prior art structure;
FIG. 2 is a schematic structural diagram of the present invention
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 4 is an enlarged view of the structure at B in FIG. 1;
FIG. 5 is an enlarged view of the structure at C in FIG. 1;
FIG. 6 is a schematic view showing an installation structure of the exhaust pipe;
in the figure: 01. the water guide cover 02, the water outlet pipe 03, the rotating shaft 1 and the motor frame; 2. a drive shaft; 3. a closing disk; 4. vertically arranging a pipe; 5. a support sleeve; 6. a water conduit; 7. a coupling; 8. a first reinforcing rib plate; 9. a water bearing; 10. the device comprises a second reinforcing rib plate 11, a vertical lower pipe 12, a mounting disc 13, an exhaust pipe 14, a bearing seat 15, a driving motor 16, a second sealing ring 17, a sealing seat 18, a sealing packing layer 19, a wear-resistant sleeve 20, a sealing packing gland 21, a second connecting flange 22, a second connecting flange 23 and a fourth sealing ring.
Detailed Description
The present invention will be further described with reference to the following examples.
As shown in fig. 2 to 6, the utility model is a water guide structure of a vertical pump without a water guide cover, comprising a water outlet pipe connected with a water outlet of a pump body of the vertical pump, a transmission shaft 2 connected with an impeller in the vertical pump is arranged in the water outlet pipe, the top of the transmission shaft 2 is connected with a driving motor 15, the water outlet pipe comprises a vertical lower pipe 11 and a vertical upper pipe 4 connected with the pump body, a T-shaped water guide pipe 6 is fixedly connected between the vertical lower pipe 11 and the vertical upper pipe 4, a mounting disc 12 is fixed at the outer side of the top of the vertical upper pipe 4, a sealing disc 3 is fixed at the top of the mounting disc 12, a first sealing ring is arranged between the sealing disc 3 and the mounting disc 12, a through hole is arranged on a middle part of the sealing disc 3, a support sleeve 5 is fixed in the through hole, the transmission shaft 2 is rotatably mounted on the support sleeve 5 through a water bearing 9, a sealing seat 17 fixed on the sealing disc 3 is arranged at the top of the through hole, a second sealing ring 16 is arranged between the sealing seat 17 and the sealing disc 3, be equipped with sealed chamber in the seal receptacle 17, be equipped with sealed packing layer 18 in the sealed chamber, the top of sealed packing is equipped with sealed gland 20, is fixed with wear-resisting cover 19 on the inboard transmission shaft 2 of sealed packing layer 18, is equipped with sealing washer three between wear-resisting cover 19 and the transmission shaft 2, is equipped with the exhaust hole on the sealed dish 3, and the exhaust hole outer end is connected with blast pipe 13, is equipped with discharge valve on the blast pipe 13.
And reinforcing rib plates I8 are fixed on the outer walls of the vertical upper pipe 4, the vertical lower pipe 11 and the water guide pipe 6.
And a first connecting flange 21 is fixed on the outer wall of the joint of the upper vertical pipe 4, the lower vertical pipe 11 and the water guide pipe 6, a sealing groove and a sealing bulge which are matched to form labyrinth seal are arranged on the matching surface of the first connecting flange 21, and a fourth sealing ring 23 is arranged between the sealing groove and the sealing bulge.
The supporting sleeve 5 is divided into a plurality of sections, the uppermost section of supporting sleeve 5 is fixed with an inner hole in the middle of the closed disc 3, the lowermost section of supporting sleeve 5 is fixed with a flow guide shell in the pump body, the adjacent supporting sleeves 5 are connected through the second connecting flange 22, a sealing groove and a sealing bulge which are matched to form labyrinth sealing are arranged on the matching surface of the second connecting flange 22, the second reinforcing rib plate 10 is fixed on the outer side wall of the supporting sleeve 5, and the second reinforcing rib plate 10 is fixed with the water outlet pipe.
The transmission shaft 2 is of a multi-section structure, two adjacent sections of transmission shafts 2 are connected through a coupler 7, a bearing seat 14 is installed at the upper end of each transmission shaft 2 through a bearing, a support frame is fixed to the lower end of each bearing seat 14, the lower end of each support frame is fixed to a closed disc 3, a motor frame 1 is fixed to the top of each mounting disc 12, and a driving motor 15 is fixed to the top of each motor frame 1.
According to the working principle, the water outlet pipe is divided into a three-section structure, the water guide cover is removed from the water outlet pipe, the sealing disc 3 bears impact force, the thickness of the sealing disc 3 can be set according to needs, the overall structure is strong, impact resistance is realized, the overall structure is stable, the problem of noise vibration is reduced, the overall structural form is simple, the overall manufacturing period of the pump is saved, and labor cost is saved; when water pumped by the water pump enters through the vertical lower pipe 11 and flows into the horizontal section of the water guide pipe 6, the water flows slowly in the vertical upper pipe 4 and forms a water guide transition surface at a turning part, so that the hydraulic transition surface is smooth and the loss is small.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "up", "down", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are for convenience only to describe the present invention without requiring the present invention to be necessarily constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Claims (5)
1. The utility model provides a vertical pump water guide structure of no water guide lid, is equipped with transmission shaft (2) of impeller in the connection vertical pump in the outlet pipe including the outlet pipe of the pump body delivery port of connecting vertical pump, and transmission shaft (2) top is connected with driving motor (15), its characterized in that: the water outlet pipe comprises a vertical lower pipe (11) and a vertical upper pipe (4) which are connected with the pump body, a T-shaped water guide pipe (6) is fixedly connected between the vertical lower pipe (11) and the vertical upper pipe (4), a mounting disc (12) is fixed on the outer side of the top of the vertical upper pipe (4), a sealing disc (3) is fixed on the top of the mounting disc (12), a first sealing ring is arranged between the sealing disc (3) and the mounting disc (12), a through hole is formed in a middle piece of the sealing disc (3), a supporting sleeve (5) is fixed in the through hole, a transmission shaft (2) is rotatably installed on the supporting sleeve (5) through a water bearing (9), a sealing seat (17) fixed on the sealing disc (3) is arranged at the top of the through hole, a second sealing ring (16) is arranged between the sealing seat (17) and the sealing disc (3), a sealing cavity is arranged in the sealing seat (17), a sealing packing layer (18) is arranged in the sealing cavity, and a sealing packing gland (20) is arranged at the top of the packing, a wear-resistant sleeve (19) is fixed on the transmission shaft (2) on the inner side of the sealing packing layer (18), a third sealing ring is arranged between the wear-resistant sleeve (19) and the transmission shaft (2), an exhaust hole is formed in the sealing disc (3), the outer end of the exhaust hole is connected with an exhaust pipe (13), and an exhaust valve is arranged on the exhaust pipe (13).
2. The vertical pump water guide structure without the water guide cover according to claim 1, wherein: and reinforcing rib plates I (8) are fixed on the outer walls of the vertical upper pipe (4), the vertical lower pipe (11) and the water guide pipe (6).
3. The vertical pump water guide structure without the water guide cover according to claim 2, wherein: and the outer walls of the joints of the vertical upper pipe (4), the vertical lower pipe (11) and the water guide pipe (6) are respectively fixed with a first connecting flange (21), the matching surface of the first connecting flange (21) is provided with a sealing groove and a sealing bulge which are matched to form labyrinth seal, and a fourth sealing ring (23) is arranged between the sealing groove and the sealing bulge.
4. The vertical pump water guide structure without the water guide cover according to claim 3, wherein: support cover (5) and divide into the multisection, hole is fixed in the middle of one section of support cover (5) and closing dish (3) the top, one section of support cover (5) of below is fixed with the blower inlet casing in the pump body, connect through flange two (22) between the adjacent support cover (5), be equipped with the cooperation on the fitting surface of flange two (22) and form labyrinth seal's sealed recess and sealed arch, be fixed with deep floor two (10) on the lateral wall of support cover (5), deep floor two (10) are fixed with the outlet pipe.
5. The vertical pump water guide structure without the water guide cover according to claim 4, wherein: transmission shaft (2) are multistage formula structure, and adjacent two sections transmission shaft (2) are connected through shaft coupling (7), and bearing frame (14) are installed through the bearing in the upper end of transmission shaft (2), and bearing frame (14) lower extreme is fixed with the support frame, and the support frame lower extreme is fixed with closing dish (3), and the top of mounting disc (12) is fixed with motor frame (1), and driving motor (15) are fixed at the top of motor frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121497044.1U CN215672869U (en) | 2021-07-02 | 2021-07-02 | Vertical pump water guide structure without water guide cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121497044.1U CN215672869U (en) | 2021-07-02 | 2021-07-02 | Vertical pump water guide structure without water guide cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215672869U true CN215672869U (en) | 2022-01-28 |
Family
ID=79978409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121497044.1U Active CN215672869U (en) | 2021-07-02 | 2021-07-02 | Vertical pump water guide structure without water guide cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215672869U (en) |
-
2021
- 2021-07-02 CN CN202121497044.1U patent/CN215672869U/en active Active
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