CN113107902A - Lining ring type volute for flexible impeller water pump for boat - Google Patents
Lining ring type volute for flexible impeller water pump for boat Download PDFInfo
- Publication number
- CN113107902A CN113107902A CN202110444931.0A CN202110444931A CN113107902A CN 113107902 A CN113107902 A CN 113107902A CN 202110444931 A CN202110444931 A CN 202110444931A CN 113107902 A CN113107902 A CN 113107902A
- Authority
- CN
- China
- Prior art keywords
- volute
- pump
- ring
- liner
- impeller
- 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.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
- F04D29/4266—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps made of sheet metal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/026—Selection of particular materials especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of water pump volutes, and discloses a liner ring type volute for a flexible impeller water pump for a boat, which comprises a pump body, wherein one end of the pump body is provided with a volute, the side wall of the volute is provided with a flange mounting plate, one side of the volute is provided with a pump cover, a first O-shaped sealing ring is arranged between the pump cover and the volute, the other side of the volute is provided with a liner plate, a second O-shaped sealing ring is arranged between the liner plate and the volute, a third O-shaped sealing ring is arranged between the liner plate and the pump body, a pump shaft is arranged in the pump body, an impeller is arranged on the outer peripheral side of the pump shaft, a liner ring is arranged on the. According to the lining ring type volute for the flexible impeller water pump for the boat, the lining ring type volute can effectively protect the flexible impeller, the service life of the water pump is prolonged, the manufacturing cost of the water pump is reduced, and the competitiveness of the water pump is improved.
Description
Technical Field
The invention relates to the technical field of water pump volutes, in particular to a liner ring type volute for a flexible impeller water pump for a boat.
Background
The water pump is an important part in an engine cooling system and is used for pumping cooling liquid (water) so that the cooling liquid can flow rapidly in a cooling water channel of an engine to take away heat generated during the operation of the engine and keep the normal operating temperature of the engine; in the working process, the engine drives the water pump bearing and the impeller to rotate through the belt pulley, the cooling liquid in the water pump is driven by the impeller to rotate together, is thrown to the edge of the water pump shell under the action of centrifugal force, generates certain pressure at the same time, and then flows out of the water outlet channel or the water pipe; the pressure of the center of the impeller is reduced due to the fact that the cooling liquid is thrown out, the cooling liquid in the water tank is sucked into the impeller through the water pipe under the action of the pressure difference between the water pump inlet and the center of the impeller, and reciprocating circulation of the cooling liquid is achieved.
The prior art has the following defects and shortcomings:
the volute device used on the conventional flexible impeller water pump for the boat is of a tortoise shell type, the processing cost of the tortoise shell type volute device is extremely high, the flexible impeller is easy to cut, the service life of the water pump is low, the tortoise shell type volute device is manufactured in a mode that polishing and sliding are carried out after linear cutting, the processing cost is high, and the sharp part of the tortoise shell is tangent to the volute and is easy to impact the flexible impeller, so the normal service life of the flexible impeller of the water pump is generally 150-250 hours, and the service life of the water pump is short.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a liner ring type volute for a flexible impeller water pump for a boat, which can solve the problems that the turtle shell type volute device for the volute for the flexible impeller water pump for the boat has the manufacturing mode of polishing and sliding after linear cutting, the processing cost is high, the flexible impeller is easy to impact at the sharp part because the sharp part of the turtle shell is tangent to the volute, the normal service life of the flexible impeller of the water pump is generally 150-250 h, and the service life of the water pump is short; the liner ring type volute for the boat flexible impeller water pump can effectively protect the flexible impeller, prolong the service life of the water pump, reduce the manufacturing cost of the water pump and improve the competitiveness of the water pump.
In order to achieve the purpose of the liner ring type volute for the flexible impeller water pump for the boat, the invention provides the following technical scheme: the utility model provides a lining ring formula spiral case for flexible impeller water pump for ship, includes the pump body, pump body one end is provided with the spiral case, the spiral case lateral wall is provided with flange mounting board, spiral case one side is provided with the pump cover, be provided with first O type sealing washer between pump cover and the spiral case, the spiral case opposite side is provided with the welt, be provided with second O type sealing washer between welt and the spiral case, be provided with third O type sealing washer between welt and the pump body, the inside pump shaft that is provided with of the pump body, pump shaft periphery side is provided with the impeller, the interior periphery side of spiral case is provided with the junk ring, the junk ring periphery side is.
Preferably, a bolt is arranged between the pump cover and the outer wall of one side of the volute, the pump cover is fixedly connected with the volute through the bolt, and the first O-shaped sealing ring is fixedly and hermetically arranged between the pump cover and the volute.
Preferably, the liner plate respectively with the pump body and the spiral case between run through and be provided with the bolt, the liner plate passes through the bolt respectively with the pump body and the spiral case between fixed connection, second O type sealing washer fixed seal installs between liner plate and spiral case, third O type sealing washer fixed seal installs between liner plate and the pump body.
Preferably, a gear device is arranged outside the pump shaft, the pump shaft is fixedly installed at the output end of the gear device, and the pump shaft is driven to rotate through a gear of the gear device.
Preferably, the inner diameter of the impeller is matched with the outer diameter of the pump shaft, the impeller is sleeved on the periphery of the pump shaft, and the impeller is in clearance fit connection with the pump shaft.
Preferably, the outer diameter of the lining ring is matched with the inner diameter of the volute, and the lining ring is connected with the inner peripheral side of the volute in an inner connecting mode.
Preferably, the equal-angle circumferences of the long keys are distributed on the outer peripheral side of the lining ring, the number of the long keys is 1 or more, the equal-angle circumferences of the key grooves are distributed on the inner peripheral side of the volute, the number of the key grooves is 1 or more, the long keys and the key grooves exist in pairs, the inner surface size of each key groove is matched with the outer surface size of each long key, the key grooves are arranged on the inner wall of the volute in a penetrating mode, the long keys are inserted into the key grooves in a penetrating mode, and the long keys are fixedly clamped with the key grooves.
Preferably, the volute is the sheet metal component, and the material is stainless steel spare, the volute is formed by the stainless steel sheet material through the welding of edge rolling after the laser cutting.
Compared with the prior art, the invention provides a liner ring type volute for a flexible impeller water pump for a boat, which has the following beneficial effects:
1. the liner ring type volute for the flexible impeller water pump for the boat is a sheet metal part, is made of a stainless steel part, is subjected to laser cutting and then is subjected to edge rolling welding, is simple to process and low in cost, and is in integral arc transition, so that an excellent protection effect is achieved on the flexible impeller;
2. the liner ring type volute liner for the flexible impeller water pump for the boat is circular, is eccentric and circular after being influenced by the volute, and is matched with the key groove in a long key fixing mode, and the liner ring type structure is perfect, so that the flexible impeller can be uniformly transited in the liner ring type volute and cannot be damaged due to impact, the normal service life of the flexible impeller of the water pump is generally 500-600 h, the service life of the water pump is prolonged by one time, and the service life of the water pump is effectively prolonged.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a partial schematic view of the present invention;
FIG. 4 is a partial structural schematic diagram of the present invention.
In the figure: 1. a pump body; 2. a volute; 3. mounting a flange; 4. a pump cover; 5. a first O-ring seal; 6. a liner plate; 7. a second O-ring seal; 8. a third O-shaped sealing ring; 9. a pump shaft; 10. an impeller; 11. a gasket; 12. a long bond; 13. a keyway.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a liner ring type volute for a flexible impeller water pump for a boat includes a pump body 1, one end of the pump body 1 is provided with a volute 2, a flange mounting plate 3 is arranged on a side wall of the volute 2, a pump cover 4 is arranged on one side of the volute 2, a first O-ring 5 is arranged between the pump cover 4 and the volute 2, a liner plate 6 is arranged on the other side of the volute 2, a second O-ring 7 is arranged between the liner plate 6 and the volute 2, a third O-ring 8 is arranged between the liner plate 6 and the pump body 1, a pump shaft 9 is arranged inside the pump body 1, an impeller 10 is arranged on the outer peripheral side of the pump shaft 9, a liner ring 11 is arranged on the inner peripheral side of the.
In summary, a bolt is arranged between the pump cover 4 and the outer wall of one side of the volute 2, the pump cover 4 is fixedly connected with the volute 2 through the bolt, the first O-shaped sealing ring 5 is fixedly and hermetically arranged between the pump cover 4 and the volute 2, and the connection sealing performance between the pump cover 4 and the volute 2 is improved through the first O-shaped sealing ring 5; bolts penetrate through the lining plate 6 and the pump body 1 and the volute 2 respectively, the lining plate 6 is fixedly connected with the pump body 1 and the volute 2 through the bolts respectively, the second O-shaped sealing ring 7 is fixedly and hermetically arranged between the lining plate 6 and the volute 2, the third O-shaped sealing ring 8 is fixedly and hermetically arranged between the lining plate 6 and the pump body 1, the connection sealing performance between the lining plate 6 and the volute 2 is improved through the second O-shaped sealing ring 7, and the connection sealing performance between the lining plate 6 and the pump body 1 is improved through the third O-shaped sealing ring 8; a gear device is arranged outside the pump shaft 9, the pump shaft 9 is fixedly arranged at the output end of the gear device, the pump shaft 9 is driven to rotate through a gear of the gear device, and the impeller 10 is driven to rotate through the rotation of the pump shaft 9; the inner diameter of the impeller 10 is matched with the outer diameter of the pump shaft 9, the impeller 10 is sleeved on the periphery of the pump shaft 9, the impeller 10 is in clearance fit connection with the pump shaft 9, the pump shaft 9 is fixedly connected with the impeller 10, and the pump shaft 9 rotates and drives the impeller 10 to rotate; the outer diameter of the lining ring 11 is matched with the inner diameter of the volute 2, the lining ring 11 is internally connected to the inner periphery of the volute 2, the lining ring 11 is a sheet metal part and is made of a stainless steel part which is subjected to laser cutting and then is subjected to edge rolling welding, and the spiral volute is simple to process and low in cost; the long keys 12 are distributed on the outer periphery of the lining ring 11 in an equiangular circumference mode, the number of the long keys 12 is 1 or more, the key grooves 13 are distributed on the inner periphery of the volute 2 in an equiangular circumference mode, the number of the key grooves 13 is 1 or more, the long keys 12 and the key grooves 13 exist in pairs, the inner surface size of the key grooves 13 is matched with the outer surface size of the long keys 12, the key grooves 13 penetrate through the inner wall of the volute 2, the long keys 12 penetrate through and are inserted into the key grooves 13, the long keys 12 are fixedly clamped with the key grooves 13, the lining ring 11 is circular and is eccentric circular after being influenced by the volute 2, the fixing mode between the lining ring 11 and the volute 2 is that the long keys 12 are matched with the key grooves 13, and the flexible impeller can uniformly transit in the lining ring and cannot be damaged due to impact; the volute 2 is a sheet metal part and is made of a stainless steel part, the volute 2 is made of a stainless steel sheet material through laser cutting and then edge rolling welding, and the volute is simple to process and low in cost.
The working use process and the installation method of the liner ring type volute for the flexible impeller water pump for the boat are that when the liner ring type volute is used, the liner ring type volute is a sheet metal part, and is made of a stainless steel part which is subjected to laser cutting and then is subjected to edge rolling welding, so that the liner ring type volute is simple to process and low in cost, and the liner ring type volute is in integral arc transition and has an excellent protection effect on the flexible impeller; the liner ring type volute liner 11 for the flexible impeller water pump for the boat is circular and is eccentric and circular after being influenced by the volute 2, the liner ring 11 and the volute 2 are fixed in a long key 12 and key groove 13 matching mode, and the liner ring type structure is perfect, so that the flexible impeller can be uniformly transited in the liner ring and cannot be damaged due to impact, the normal service life of the flexible impeller of the water pump is generally 500-600 h, the service life of the water pump is prolonged by one time, and the service life of the water pump is effectively prolonged.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A liner ring type volute for a flexible impeller water pump for a boat is characterized in that: comprises a pump body (1), one end of the pump body (1) is provided with a volute (2), a flange mounting plate (3) is arranged on the side wall of the volute (2), a pump cover (4) is arranged on one side of the volute (2), a first O-shaped sealing ring (5) is arranged between the pump cover (4) and the volute (2), a lining plate (6) is arranged on the other side of the volute (2), a second O-shaped sealing ring (7) is arranged between the lining plate (6) and the volute (2), a third O-shaped sealing ring (8) is arranged between the lining plate (6) and the pump body (1), a pump shaft (9) is arranged in the pump body (1), an impeller (10) is arranged on the outer peripheral side of the pump shaft (9), the inner peripheral side of the volute (2) is provided with a lining ring (11), the outer peripheral side of the lining ring (11) is provided with a long key (12), and the inner wall of the volute (2) is provided with a key groove (13).
2. The liner-ring volute of claim 1, wherein: the spiral pump is characterized in that a bolt is arranged between the pump cover (4) and the outer wall of one side of the spiral case (2), the pump cover (4) is fixedly connected with the spiral case (2) through the bolt, and the first O-shaped sealing ring (5) is fixedly and hermetically arranged between the pump cover (4) and the spiral case (2).
3. The liner-ring volute of claim 1, wherein: the utility model discloses a pump casing, including the welt (6) and the casing, the welt (6) respectively with run through between the pump body (1) and spiral case (2) and be provided with the bolt, welt (6) pass through fixed connection between the bolt respectively with the pump body (1) and spiral case (2), second O type sealing washer (7) fixed seal installs between welt (6) and spiral case (2), third O type sealing washer (8) fixed seal installs between welt (6) and the pump body (1).
4. The liner-ring volute of claim 1, wherein: the pump shaft (9) is externally provided with a gear device, the pump shaft (9) is fixedly installed at the output end of the gear device, and the pump shaft (9) is driven to rotate through the gear device.
5. The liner-ring volute of claim 1, wherein: impeller (10) internal diameter size and pump shaft (9) external diameter size looks adaptation, impeller (10) cup joint in pump shaft (9) periphery, impeller (10) are connected with pump shaft (9) clearance fit.
6. The liner-ring volute of claim 1, wherein: the outer diameter of the lining ring (11) is matched with the inner diameter of the volute (2), and the lining ring (11) is inscribed on the inner peripheral side of the volute (2).
7. The liner-ring volute of claim 1, wherein: the long keys (12) are distributed on the outer periphery side of the lining ring (11) in an equiangular mode, the number of the long keys (12) is 1 or more, the key grooves (13) are distributed on the inner periphery side of the volute (2) in an equiangular mode, the number of the key grooves (13) is 1 or more, the long keys (12) and the key grooves (13) exist in pairs, the inner surface size of the key grooves (13) is matched with the outer surface size of the long keys (12), the key grooves (13) penetrate through the inner wall of the volute (2), the long keys (12) penetrate through and are inserted into the key grooves (13), and the long keys (12) are fixedly clamped with the key grooves (13).
8. The liner-ring volute of claim 1, wherein: the spiral case (2) is a sheet metal part and made of a stainless steel part, and the spiral case (2) is formed by welding a stainless steel plate in a rolling mode after laser cutting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110444931.0A CN113107902A (en) | 2021-04-24 | 2021-04-24 | Lining ring type volute for flexible impeller water pump for boat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110444931.0A CN113107902A (en) | 2021-04-24 | 2021-04-24 | Lining ring type volute for flexible impeller water pump for boat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113107902A true CN113107902A (en) | 2021-07-13 |
Family
ID=76719734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110444931.0A Pending CN113107902A (en) | 2021-04-24 | 2021-04-24 | Lining ring type volute for flexible impeller water pump for boat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113107902A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204419611U (en) * | 2014-12-01 | 2015-06-24 | 扬州市晨辉机械有限公司 | A kind of flexible-impeller pump |
| CN111927766A (en) * | 2020-08-20 | 2020-11-13 | 江苏科密机械制造有限公司 | Flexible impeller pump |
| CN211950957U (en) * | 2020-04-07 | 2020-11-17 | 王雷 | Flexible sewage suction pump |
| CN211950962U (en) * | 2020-03-26 | 2020-11-17 | 王雷 | Flexible impeller and vacuum pump using same |
| CN112177971A (en) * | 2020-06-11 | 2021-01-05 | 浙江华工汽车零部件有限公司 | Flexible impeller sea water pump |
-
2021
- 2021-04-24 CN CN202110444931.0A patent/CN113107902A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204419611U (en) * | 2014-12-01 | 2015-06-24 | 扬州市晨辉机械有限公司 | A kind of flexible-impeller pump |
| CN211950962U (en) * | 2020-03-26 | 2020-11-17 | 王雷 | Flexible impeller and vacuum pump using same |
| CN211950957U (en) * | 2020-04-07 | 2020-11-17 | 王雷 | Flexible sewage suction pump |
| CN112177971A (en) * | 2020-06-11 | 2021-01-05 | 浙江华工汽车零部件有限公司 | Flexible impeller sea water pump |
| CN111927766A (en) * | 2020-08-20 | 2020-11-13 | 江苏科密机械制造有限公司 | Flexible impeller pump |
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