CN210623202U - Flow deflector seal structure of vertical drain pump of loosing core - Google Patents
Flow deflector seal structure of vertical drain pump of loosing core Download PDFInfo
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- CN210623202U CN210623202U CN201921215339.8U CN201921215339U CN210623202U CN 210623202 U CN210623202 U CN 210623202U CN 201921215339 U CN201921215339 U CN 201921215339U CN 210623202 U CN210623202 U CN 210623202U
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- flow deflector
- pipe
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- water outlet
- flange
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Abstract
A flow deflector sealing structure of a vertical core-pulling drainage pump comprises a water outlet bent pipe, a connecting seat, a water raising pipe, an upper sleeve, a middle sleeve, a support, a flow deflector external pipe, a flow deflector internal pipe and a flange; the water outlet elbow pipe comprises a flow deflector, a flow deflector external connection pipe, a flow deflector internal connection pipe and a flange, wherein the flow deflector is connected into a whole and is arranged at the lower part in the water outlet elbow pipe, the flow deflector guides the flow of the lower end of the water outlet elbow pipe and the flow of a water outlet on the side surface, a round hole is formed in the flow deflector, the diameter of the flow deflector internal connection pipe is equal to that of the round hole, the upper end of the flow deflector internal connection pipe is connected with the flange, the lower end of the flow deflector internal connection pipe is connected with. During the operation of the water pump, the upstream medium enters the inner connecting pipe of the guide vane, so that more leakage loss and impact loss can not be generated after the water pump is filled with the upstream medium, the efficiency of the water pump is ensured, and the flow of the upstream medium is also controlled to a great extent when the water pump is stopped.
Description
Technical Field
The utility model relates to a drain pump is loosed core to vertical, in particular to vertical water conservancy diversion piece seal structure of drain pump of loosing core.
Background
The rotor part of the existing vertical core-pulling drainage pump adopts a drawable structure, after a connecting seat at the top of the water pump is disassembled, the pump core part comprises the whole pump shaft part, a water lubricating bearing, an impeller chamber, a guide vane body and an inner connecting pipe which can be drawn out, and the whole pump outer cylinder body connected with a water outlet bent pipe is still fixed on a pump foundation.
Referring to fig. 1, the water outlet base of the vertical core-pulling draining pump is designed in a form of a water outlet bent pipe 1 and a flow deflector 7, a sleeve is arranged on the flow deflector 7 in a penetrating manner, the sleeve is divided into two sections, a motor shaft 9 and a transmission shaft 10 which are connected through a sleeve coupling 11 are arranged in the sleeve in a penetrating manner, the two sections of sleeves are connected through a support 6, a support bearing 12 is arranged in the support 6, and a matched shaft sleeve 13 is arranged on the transmission shaft 10.
To meet the assembly requirement, referring to fig. 2, a circular hole with a diameter a must be formed on the guide vane 7 for the sleeve to pass through. When the medium pumped by the water pump is continuously lifted along the water lifting pipe 3 and enters the flow channel of the flow deflector 7, part of the medium flows upwards through the gap between the circular hole and the sleeve, and hydraulic loss and leakage loss caused by hydraulic friction loss (along-the-way resistance) and impact, flow separation and the like are accompanied in the process, so that the reduction of the hydraulic efficiency and the volumetric efficiency is unpredictable, and the efficiency of the water pump is directly influenced. During the operation of the water pump, the medium flowing upwards fills the whole space at the upper part of the water outlet elbow 1. At shutdown, the pressure difference can cause the medium to flow backwards and impact the outlet elbow 1, which is a great disadvantage for the outlet elbow.
SUMMERY OF THE UTILITY MODEL
The utility model provides an above-mentioned problem, a vertical water conservancy diversion piece seal structure of drain pump of loosing core is provided.
The purpose of the utility model can be realized by the following technical scheme: a flow deflector sealing structure of a vertical core-pulling drainage pump comprises a water outlet bent pipe, a connecting seat, a water raising pipe, an upper sleeve, a middle sleeve, a support, a flow deflector external pipe, a flow deflector internal pipe and a flange; the water outlet elbow is vertically arranged, a water outlet is formed in the side face of the water outlet elbow close to the lower part, a connecting seat is installed at the upper end of the water outlet elbow, the lower end of the water outlet elbow is connected with a water lifting pipe, an upper sleeve and an intermediate sleeve are arranged in the water outlet elbow, the upper end of the upper sleeve is connected with the connecting seat, the lower end of the upper sleeve is connected with the upper end of the intermediate sleeve through a support, the lower end of the intermediate sleeve extends into the water lifting pipe, the flow deflector, a flow deflector external connection pipe, a flow deflector internal connection pipe and a flange are connected into a whole and are installed at the lower part in the water outlet elbow, the flow deflector guides the flow of the lower end of the water outlet elbow and the water outlet on the side face, a round hole for the intermediate sleeve to pass through is formed in the flow deflector, the flow deflector external connection pipe and the flow deflector internal connection pipe are vertically arranged, the inner connecting pipe of the flow deflector is arranged in the outer connecting pipe of the flow deflector, the diameter of the inner connecting pipe of the flow deflector is equal to that of the round hole, the upper end of the inner connecting pipe of the flow deflector is connected with a flange, the lower end of the inner connecting pipe of the flow deflector is connected with the round hole, and the flange is connected with a flange at the lower end of the bracket.
Furthermore, a flange at the lower end of the flange and a flange at the lower end of the support are respectively provided with a convex spigot and a concave spigot which are matched with each other, and an O-shaped sealing ring is arranged between the convex spigot and the concave spigot.
Further, still include motor shaft, transmission shaft, muff coupling, support bearing, axle sleeve, the motor shaft is worn to locate in the cover, the transmission shaft is worn to locate in cover and the middle cover to pass the round hole on the water conservancy diversion piece, the upper end of transmission shaft is connected with the lower extreme of motor shaft through muff coupling, be equipped with support bearing in the support, the cover has the axle sleeve with support bearing matched with on the transmission shaft.
Compared with the prior art, the beneficial effects of the utility model are that: an inner connecting pipe of the flow deflector is welded on the circular hole of the flow deflector, a flange is welded at the upper end of the inner connecting pipe of the flow deflector, and the flange is connected with the bracket. When the water pump is in operation, an upstream medium enters the guide vane inner connecting pipe, and the upper end of the guide vane inner connecting pipe is sealed by the seam allowance between the flange and the support and the O-shaped sealing ring, so that after the upstream medium is filled in the guide vane inner connecting pipe, continuous leakage and upstream are avoided, and more leakage loss and impact loss are avoided, thereby ensuring the efficiency of the water pump, and the flow of the upstream flow is also controlled to a great extent when the water pump is stopped.
Drawings
Fig. 1 is a schematic structural view of a water outlet seat in a vertical core-pulling drainage pump.
Fig. 2 is a partial enlarged view of a portion a of fig. 1 according to the prior art.
Fig. 3 is a partial enlarged view of a portion a in fig. 1 according to the present invention.
Fig. 4 is a connection schematic diagram of the bracket, the baffle, the outer pipe of the baffle, the inner pipe of the baffle, and the flange of the present invention.
The parts in the figures are numbered as follows:
1 water outlet elbow
2 connecting base
3 lifting pipe
4 go up the quill
5 middle sleeve
6 support
7 flow deflector
8 diversion piece external connection pipe
9 Motor shaft
10 drive shaft
11 sleeve coupling
12 bracket bearing
13 axle sleeve
14-flow deflector inner connecting pipe
15 flange.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings to make it clear to those skilled in the art how to practice the invention. While the invention has been described in connection with its preferred embodiments, these embodiments are intended to be illustrative, and not to limit the scope of the invention.
Referring to fig. 1 and 3, a flow deflector sealing structure of a vertical core-pulling drainage pump comprises a water outlet bent pipe 1, a connecting seat 2, a water lifting pipe 3, an upper sleeve 4, a middle sleeve 5, a support 6, a flow deflector 7, a flow deflector external connection pipe 8, a flow deflector internal connection pipe 14, a flange 15, a motor shaft 9, a transmission shaft 10, a sleeve coupling 11, a support bearing 12 and a shaft sleeve 13.
The water outlet bent pipe 1 is vertically arranged, a water outlet is formed in the side surface of the water outlet bent pipe 1 close to the lower portion, a connecting seat 2 is installed at the upper end of the water outlet bent pipe 1, the lower end of the water outlet bent pipe 1 is connected with a water lifting pipe 3, an upper sleeve 4 and a middle sleeve 5 are arranged in the water outlet bent pipe 1, the upper end of the upper sleeve 4 is connected with the connecting seat 2, the lower end of the upper sleeve 4 is connected with the upper end of the middle sleeve 5 through a support 6, and the lower end of the middle sleeve 5 extends into the water lifting pipe 3.
The flow deflector 7, the flow deflector outer connecting pipe 8, the flow deflector inner connecting pipe 14 and the flange 15 are welded into a whole and are arranged at the lower part in the water outlet bent pipe 1. Referring to fig. 4, the baffle 7 is arc-shaped, the baffle 7 guides the flow of the lower end of the water outlet elbow 1 and the water outlet on the side surface, a circular hole for the middle sleeve 5 to pass through is formed in the baffle 7, the baffle outer pipe 8 and the baffle inner pipe 14 are both vertically arranged, the upper end of the baffle outer pipe 8 is connected with the connecting seat 2, the lower end of the baffle outer pipe 8 is connected with the baffle 7, the baffle inner pipe 14 is arranged in the baffle outer pipe 8, the diameter of the baffle inner pipe 14 is equal to that of the circular hole, the upper end of the baffle inner pipe 14 is connected with a flange 15, the lower end of the baffle inner pipe 14 is connected with the circular hole, the flange 15 is connected with the lower flange of the bracket 6 through a screw, the diameter of the lower flange of the bracket 6 is increased relative to the original diameter so as to be matched with the flange 15, and the flanges at the lower ends of the flange 15 and the bracket 6 are respectively provided with a male, an O-shaped sealing ring is arranged between the convex spigot and the concave spigot.
The motor shaft 9 is arranged in the upper sleeve 4 in a penetrating manner, the transmission shaft 10 is arranged in the upper sleeve 4 and the middle sleeve 5 in a penetrating manner and penetrates through a round hole in the flow deflector 7, the upper end of the transmission shaft 10 is connected with the lower end of the motor shaft 9 through a sleeve coupler 11, a support bearing 12 is arranged in the support 6, and a shaft sleeve 13 matched with the support bearing 12 is sleeved on the transmission shaft 10.
During the operation of the water pump, a medium pumped by the water pump continuously rises along the water lifting pipe 3 to enter a flow channel of the flow deflector 7, part of the medium flows upwards into the inner connecting pipe 14 of the flow deflector through a gap between the circular hole and the sleeve, and as the upper end of the inner connecting pipe 14 of the flow deflector is sealed by the flange 15, the lower end flange of the support 6 and the O-shaped ring, after the inner connecting pipe 14 of the flow deflector is filled with the upstream medium, more leakage loss and impact loss can not be generated any more, so that the efficiency of the water pump is ensured, and when the water pump is stopped, the impact force of the fluid falling in the inner connecting pipe 14 of the flow deflector on the water outlet base is greatly reduced.
It should be noted that many variations and modifications of the embodiments of the present invention are possible, which are fully described, and are not limited to the specific examples of the above embodiments. The above embodiments are merely illustrative of the present invention and are not intended to limit the present invention. In conclusion, the scope of the present invention should include those changes or substitutions and modifications which are obvious to those of ordinary skill in the art.
Claims (3)
1. A flow deflector sealing structure of a vertical core-pulling draining pump is characterized by comprising a water outlet bent pipe, a connecting seat, a water raising pipe, an upper sleeve, a middle sleeve, a support, a flow deflector external pipe, a flow deflector internal pipe and a flange; the water outlet elbow is vertically arranged, a water outlet is formed in the side face of the water outlet elbow close to the lower part, a connecting seat is installed at the upper end of the water outlet elbow, the lower end of the water outlet elbow is connected with a water lifting pipe, an upper sleeve and an intermediate sleeve are arranged in the water outlet elbow, the upper end of the upper sleeve is connected with the connecting seat, the lower end of the upper sleeve is connected with the upper end of the intermediate sleeve through a support, the lower end of the intermediate sleeve extends into the water lifting pipe, the flow deflector, a flow deflector external connection pipe, a flow deflector internal connection pipe and a flange are connected into a whole and are installed at the lower part in the water outlet elbow, the flow deflector guides the flow of the lower end of the water outlet elbow and the water outlet on the side face, a round hole for the intermediate sleeve to pass through is formed in the flow deflector, the flow deflector external connection pipe and the flow deflector internal connection pipe are vertically arranged, the inner connecting pipe of the flow deflector is arranged in the outer connecting pipe of the flow deflector, the diameter of the inner connecting pipe of the flow deflector is equal to that of the round hole, the upper end of the inner connecting pipe of the flow deflector is connected with a flange, the lower end of the inner connecting pipe of the flow deflector is connected with the round hole, and the flange is connected with a flange at the lower end of the bracket.
2. The flow deflector seal structure of the vertical core-pulling drain pump according to claim 1, wherein the flange and the flange at the lower end of the support are respectively provided with a male spigot and a female spigot which are matched with each other, and an O-shaped seal ring is arranged between the male spigot and the female spigot.
3. The flow deflector seal structure of the vertical core-pulling drain pump according to claim 1, further comprising a motor shaft, a transmission shaft, a sleeve coupler, a support bearing, and a shaft sleeve, wherein the motor shaft is inserted into the upper sleeve, the transmission shaft is inserted into the upper sleeve and the middle sleeve and passes through the round hole on the flow deflector, the upper end of the transmission shaft is connected with the lower end of the motor shaft through the sleeve coupler, the support bearing is arranged in the support, and the shaft sleeve matched with the support bearing is sleeved on the transmission shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921215339.8U CN210623202U (en) | 2019-07-30 | 2019-07-30 | Flow deflector seal structure of vertical drain pump of loosing core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921215339.8U CN210623202U (en) | 2019-07-30 | 2019-07-30 | Flow deflector seal structure of vertical drain pump of loosing core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210623202U true CN210623202U (en) | 2020-05-26 |
Family
ID=70760564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921215339.8U Active CN210623202U (en) | 2019-07-30 | 2019-07-30 | Flow deflector seal structure of vertical drain pump of loosing core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210623202U (en) |
-
2019
- 2019-07-30 CN CN201921215339.8U patent/CN210623202U/en active Active
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