CN106015025A - Shielding type circulating pump - Google Patents
Shielding type circulating pump Download PDFInfo
- Publication number
- CN106015025A CN106015025A CN201610543783.7A CN201610543783A CN106015025A CN 106015025 A CN106015025 A CN 106015025A CN 201610543783 A CN201610543783 A CN 201610543783A CN 106015025 A CN106015025 A CN 106015025A
- Authority
- CN
- China
- Prior art keywords
- armature spindle
- pump housing
- circulating pump
- type circulating
- pump
- 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
Links
Classifications
-
- 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
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- 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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
-
- 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
-
- 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
- F04D29/4286—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps inside lining, e.g. rubber
-
- 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
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
Abstract
The invention relates to a shielding type circulating pump. The shielding type circulating pump comprises a pump body, the pump body is connected to a machine base with a sealed cavity, a stator is installed inside the machine base, a shielding sleeve is arranged outside the sealed cavity, a reinforcing plate is installed between the shielding sleeve and the machine base, and a seal ring is installed on one side of the reinforcing plate; a rotor shaft installation rack is installed inside the shielding sleeve, a rotor shaft and an elastic buffering component are installed inside the rotor shaft installation rack, a rotor is installed on the rotor shaft, one end of the elastic buffering component makes contact with the shaft end of the rotor shaft, and the other end of the elastic buffering component makes contact with the bottom surface of the shielding sleeve; one end of the rotor shaft is installed inside the rotor shaft installation rack, and the other end of the rotor shaft is installed on the pump body. According to the shielding type circulating pump, by arranging reinforcing ribs on the pump body, the pump body can bear high water pressure without increasing the effective wall thickness, and deformation and leakage are avoided; the integral appearance of the pump body is not thick, and the structure is more compact.
Description
Technical field
The present invention relates to a kind of protected type circulating pump, belong to the technical field of plant equipment.
Background technology
Water circulating pump is conveyance fluid or the machinery making its supercharging, and water circulating pump of the prior art has the disadvantage that
1, can to bear the intensity of hydraulic pressure the highest for the pump housing, easily causes deformation, ultimately results in leakage；
2, stator core the most all uses the mode of interference fit to assemble with support, will stator core in the effect of external force is pushed down into support or heating base makes support expanded by heating, stator core is loaded in support；This type of assembling mode makes the cooperate dimension precision requirement in face of stator core and pump motor support the highest, wayward, and is not easy after installation to change and take out；
3, housing is due to technique and the restriction of structure, its wall thickness is also restrained, water circulating pump is in the course of the work, owing to being filled with water under high pressure in annular seal space, the high hydraulic pressure long term that water under high pressure produces is in housing, make a wherein compressive deformation of housing so that the decrement of sealing ring reduces, cause leakage or fault of water pump；
4, it is rigid member due to each Assembly part, each component due to the existence of foozle, the axial freedom of armature spindle can not Complete Bind, result in use armature spindle axial float, so that water circulating pump produces vibrations and noise in operation process, reduce its life-span；
5, the most often there is the phenomenon such as axial float or rotation in armature spindle, is unfavorable for the stable operation that circulating pump is overall.
Have based on this, propose the present invention.
Summary of the invention
For the above-mentioned technical problem of prior art, it is an object of the invention to provide the protected type circulating pump of a kind of improvement, its pump housing, in the case of not increasing effective thickness, can bear higher hydraulic pressure, is prevented effectively from the pump housing and deforms at high water pressures and leak；Its stator core and support use the mode of matched in clearance to assemble, and install and take out the most very convenient, reduce and have keeped in repair the cost changed, also improve the efficiency of assembling；Circulating pump is provided with housing protection device, can resist the housing deformation that high hydraulic pressure causes, it is ensured that water pump seamless is good and normal operation；Circulating pump armature spindle is provided with axial buffering device, overcomes the axial float of armature spindle, eliminates the vibrations in circulating pump operation process and noise, substantially prolongs the service life of circulating pump；And armature spindle fixing device, its axial float being prevented from armature spindle or rotation, substantially increase the stability of circulating pump mass motion.
For reaching above-mentioned purpose, the present invention is achieved by the following technical solutions:
A kind of protected type circulating pump, including the pump housing, the described pump housing connects the support having band closed chamber, in described support, stator is installed, the outside of described closed chamber is provided with housing, is provided with reinforcing plate between described housing and support, and the side of described reinforcing plate is provided with sealing ring；Armature spindle installing rack is installed in described housing, in described armature spindle installing rack, armature spindle and elastic buffer unit are installed, on described armature spindle, rotor is installed, one end of described elastic buffer unit contacts with the axle head of armature spindle, and the other end of elastic buffer unit contacts with the bottom surface of housing；One end of described armature spindle is arranged in armature spindle installing rack, and the other end of armature spindle is arranged on the pump housing；The described pump housing is provided with armature spindle mounting post, is provided with armature spindle installing hole in armature spindle mounting post, and armature spindle installing hole is non-circular hole, and at least one end of armature spindle is provided with the milling flat matched with non-circular hole.
The described pump housing includes pump housing body, the middle part of described pump housing body is provided with water inlet, described pump housing body is provided with reinforcement, described reinforcement includes radial reinforced rib and ring stiffener, described radial reinforced rib forms concentric circular to the external radiation of pump housing body, described ring stiffener with water inlet for starting point with water inlet.
Described radial reinforced rib is distributed on pump housing body equally spacedly.
The inside of described support is provided with several fixing posts, and the outer wall of described stator is provided with several mounting grooves matched with fixing post, and described support is provided with limiting component, and described fixing post is rear in inserting mounting groove to carry out spacing by limiting component.
Described fixing post is at least 2；It is equally spaced setting between described fixing post and fixing post.
Described fixing post is 3, and the spacing of 3 fixing posts is equal, and the line of 3 fixing posts is equilateral triangle.
Described reinforcing plate includes that reinforcing plate body, the inside of described reinforcing plate body are provided with through hole, and the outside of described through hole is provided with several installing holes.
The equally spaced outside being arranged in through hole of described installing hole.
The two ends of described armature spindle are equipped with the milling flat matched with non-circular hole.
The sidewall of described pump housing body is provided with on outlet, and pump housing body and is provided with rack mounting apertures；Described rack mounting apertures is two, and one of them rack mounting apertures is installed on the sidewall of pump housing body, and another rack mounting apertures is installed on the sidewall of outlet.
The protected type circulating pump of the present invention has the advantages that
1, after the present invention arranges reinforcement on the body of circulating pump, in the case of not increasing effective thickness, the pump housing can be made to bear higher hydraulic pressure, it is to avoid deform and leak；And making pump housing monnolithic case the heaviest, structure is compacter；
2, the present invention is provided with fixing post at the inwall of support, and the outer wall at stator is provided with and fixes the mounting groove that post matches, and has only to insert in mounting groove by fixing post, effectively limit stator revolution degree of freedom in support during installation；Use riveting to fix the mode of post simultaneously, make fixing column end plastic deformation, form limiting component, limit stator translation freedoms in support；
3, the present invention arranges reinforcing plate between support and housing, is resisted the housing caused due to high hydraulic pressure by reinforcing plate and deforms, it is ensured that water pump seamless is good and normal operation；
4, the present invention adds elastic buffer unit at the axle head of armature spindle, elastic buffer unit is made to be deformed eliminating the accumulation foozle making each component during assembling, reach the constraint of the axial freedom of armature spindle, avoid producing axial transmission, eliminate the vibrations in water circulating pump operation process and noise, substantially prolongs the service life of circulating pump；
5, the two ends of armature spindle are arranged milling flat by the present invention, the two ends making armature spindle are on-circular cross-section structure, it is also provided with the armature spindle installing hole of the non-circular hole matched with armature spindle end in the pump housing and armature spindle connection place, effectively prevents armature spindle from producing rotation or axial float in the structure shown here due to the rotation of rotor.
6, the circulating pump of the present invention is applied to various types of water heater, has the advantages such as rapid hot water output.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of the pump housing in the present invention；
Fig. 3 is the installation relation schematic diagram of the stator in the present invention and support；
Fig. 4 is the structural representation of the support in the present invention；
Fig. 5 is the structural representation of the stator in the present invention；
Fig. 6 is the installation relation schematic diagram of the reinforcing plate in the present invention and housing；
Fig. 7 is the structural representation of the reinforcing plate in the present invention；
Fig. 8 is the structural representation of the elastic buffer unit in the present invention；
Fig. 9 is the installation site schematic diagram of the armature spindle in the present invention；
Figure 10 is the structural representation of the armature spindle mounting post in the present invention；
Figure 11 is the structural representation of the armature spindle in the present invention；
Wherein, 1 be the pump housing, 2 be support, 3 be stator, 4 be housing, 5 be reinforcing plate, 6 be sealing ring, 7 be armature spindle installing rack, 8 be armature spindle, 9 be elastic buffer unit, 10 be rotor, 11 be armature spindle mounting post, 12 be armature spindle installing hole, 13 be milling flat, 14 be pump housing body, 15 be water inlet, 16 be radial reinforced rib, 17 be ring stiffener, 18 be outlet, 19 be rack mounting apertures, 20 be fixing post, 21 be mounting groove, 22 be limiting component, 23 be closed chamber, 24 be reinforcing plate body, 25 be through hole, 26 for installing hole.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further illustrated, but protection scope of the present invention is not limited to this.
As shown in figs. 1-11, the protected type circulating pump of the present invention, including the pump housing 1, the pump housing 1 connects the support 2 having band closed chamber 23, is provided with stator 3 in support 2, and the outside of closed chamber 23 is provided with housing 4, being provided with reinforcing plate 5 between housing 4 and support 2, the side of reinforcing plate 5 is provided with sealing ring 6.Reinforcing plate 5 includes reinforcing plate body 24, the inside of reinforcing plate body 24 is provided with through hole 25, the outside of through hole 25 is provided with several installing holes 26, the equally spaced outside being arranged in through hole 25 of installing hole 26, resisted the housing caused due to high hydraulic pressure to deform by reinforcing plate, it is ensured that water pump seamless is good and normal operation.
Reinforcing plate 5 in the present invention is tetragon, triangle, circular or oval, can select according to actual needs.
Being provided with armature spindle installing rack 7 in housing 4 in the present invention, be provided with armature spindle 8 and elastic buffer unit 9 in armature spindle installing rack 7, elastic buffer unit 9 can be rubber blanket, it is also possible to have resilient parts for other；Being provided with rotor 10 on armature spindle 8, one end of elastic buffer unit 9 contacts with the axle head of armature spindle 8, and the other end of elastic buffer unit 9 contacts with the bottom surface of housing 4.Axle head at armature spindle 8 increases elastic buffer unit 9, elastic buffer unit 9 is made to be deformed eliminating the accumulation foozle making each component during assembling, reach the constraint of the axial freedom of armature spindle 8, avoid producing axial transmission, eliminate the vibrations in water circulating pump operation process and noise, substantially prolongs the service life of circulating pump.
One end of armature spindle 8 in the present invention is arranged in armature spindle installing rack 7, and the other end of armature spindle 8 is arranged on the pump housing 1；The pump housing 1 is provided with armature spindle mounting post 11, is provided with armature spindle installing hole 12 in armature spindle mounting post 11, and armature spindle installing hole 12 is non-circular hole, and at least one end of armature spindle 8 is provided with the milling flat 13 matched with non-circular hole.
For increasing the compatibility of armature spindle 8, the two ends of the armature spindle 8 in the present invention are equipped with the milling flat 13 matched with non-circular hole.
After the two ends of armature spindle 8 arrange milling flat 13, the two ends making armature spindle 8 are on-circular cross-section structure, it is also provided with the armature spindle installing hole 12 of the non-circular hole matched with armature spindle 8 end in the pump housing 1 and armature spindle connection place, effectively prevents armature spindle 8 from producing rotation or axial float in the structure shown here due to the rotation of rotor 10.
The pump housing 1 in the present invention includes that pump housing body 14, the middle part of pump housing body 14 are provided with water inlet 15, and pump housing body 14 is provided with reinforcement, and the sidewall of pump housing body 14 is provided with on outlet 18, and pump housing body 14 and is provided with rack mounting apertures 19；Rack mounting apertures 19 is two, and one of them rack mounting apertures 19 is installed on the sidewall of pump housing body 14, and another rack mounting apertures 19 is installed on the sidewall of outlet 18.For improving the bearing capacity of the pump housing further, reinforcement includes radial reinforced rib 16 and ring stiffener 17, and radial reinforced rib 16 forms concentric circular for starting point to the external radiation of pump housing body 14, ring stiffener 17 and water inlet 15 with water inlet 15.
Arrange further:
Radial reinforced rib 16 in the present invention is distributed on pump housing body 14 equally spacedly.
After the pump housing body 14 of circulating pump arranges reinforcement, in the case of not increasing effective thickness, the pump housing can be made to bear higher hydraulic pressure, it is to avoid deform and leak；And making pump housing monnolithic case the heaviest, structure is compacter.
The inside of the support 2 in the present invention is provided with several fixing posts 20, the outer wall of stator 3 is provided with several mounting grooves 21 matched with fixing post 20, support 2 is provided with limiting component 22, fixing post 20 is rear in inserting mounting groove 21 to carry out spacing by limiting component 22, effectively limits stator revolution degree of freedom in support.Use riveting to fix the mode of post simultaneously, make fixing column end plastic deformation, form limiting component, limit stator translation freedoms in support.
Arrange further:
At least 2, fixing post 20, fixing between post 20 and fixing post 20 for equally spaced setting time, during circulating pump running, the stator 3 stability in support 2 is preferable.
Further arrange:
Fixing post 20 is 3, and the spacing of 3 fixing posts 20 is equal, and its line is equilateral triangle, and during circulating pump running, the stator 3 stability in support 2 is best.
The protected type circulating pump of the present invention is applied to various types of water heater, has the advantages such as rapid hot water output.
Above-described embodiment is only used for illustrating the inventive concept of the present invention, rather than the restriction to rights protection of the present invention, all changes utilizing this design that the present invention carries out unsubstantiality, all should fall into protection scope of the present invention.
Claims (10)
1. a protected type circulating pump, it is characterised in that: including the pump housing, the described pump housing connects the support having band closed chamber, in described support, stator is installed, the outside of described closed chamber is provided with housing, is provided with reinforcing plate between described housing and support, and the side of described reinforcing plate is provided with sealing ring；Armature spindle installing rack is installed in described housing, in described armature spindle installing rack, armature spindle and elastic buffer unit are installed, on described armature spindle, rotor is installed, one end of described elastic buffer unit contacts with the axle head of armature spindle, and the other end of elastic buffer unit contacts with the bottom surface of housing；One end of described armature spindle is arranged in armature spindle installing rack, and the other end of armature spindle is arranged on the pump housing；The described pump housing is provided with armature spindle mounting post, is provided with armature spindle installing hole in armature spindle mounting post, and armature spindle installing hole is non-circular hole, and at least one end of armature spindle is provided with the milling flat matched with non-circular hole.
2. protected type circulating pump as claimed in claim 1, it is characterized in that: the described pump housing includes pump housing body, the middle part of described pump housing body is provided with water inlet, described pump housing body is provided with reinforcement, described reinforcement includes radial reinforced rib and ring stiffener, described radial reinforced rib forms concentric circular to the external radiation of pump housing body, described ring stiffener with water inlet for starting point with water inlet.
3. protected type circulating pump as claimed in claim 2, it is characterised in that: described radial reinforced rib is distributed on pump housing body equally spacedly.
4. protected type circulating pump as claimed in claim 1, it is characterized in that: the inside of described support is provided with several fixing posts, the outer wall of described stator is provided with several mounting grooves matched with fixing post, described support is provided with limiting component, and described fixing post is rear in inserting mounting groove to carry out spacing by limiting component.
5. protected type circulating pump as claimed in claim 4, it is characterised in that: described fixing post is at least 2；It is equally spaced setting between described fixing post and fixing post.
6. protected type circulating pump as claimed in claim 5, it is characterised in that: described fixing post is 3, and the spacing of 3 fixing posts is equal, and the line of 3 fixing posts is equilateral triangle.
7. protected type circulating pump as claimed in claim 1, it is characterised in that: described reinforcing plate includes that reinforcing plate body, the inside of described reinforcing plate body are provided with through hole, and the outside of described through hole is provided with several installing holes.
8. protected type circulating pump as claimed in claim 7, it is characterised in that: the equally spaced outside being arranged in through hole of described installing hole.
9. protected type circulating pump as claimed in claim 1, it is characterised in that: the two ends of described armature spindle are equipped with the milling flat matched with non-circular hole.
10. protected type circulating pump as claimed in claim 2, it is characterised in that: the sidewall of described pump housing body is provided with on outlet, and pump housing body and is provided with rack mounting apertures；Described rack mounting apertures is two, and one of them rack mounting apertures is installed on the sidewall of pump housing body, and another rack mounting apertures is installed on the sidewall of outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610543783.7A CN106015025A (en) | 2016-07-07 | 2016-07-07 | Shielding type circulating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610543783.7A CN106015025A (en) | 2016-07-07 | 2016-07-07 | Shielding type circulating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106015025A true CN106015025A (en) | 2016-10-12 |
Family
ID=57108562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610543783.7A Pending CN106015025A (en) | 2016-07-07 | 2016-07-07 | Shielding type circulating pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106015025A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317088A (en) * | 2018-02-01 | 2018-07-24 | 程良连 | Energy-saving water pump of shielded direct-current synchronous permanent magnet motor |
| US20210079919A1 (en) * | 2019-09-12 | 2021-03-18 | Sunonwealth Electric Machine Industry Co., Ltd. | Fluid transportation device |
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| CN104520589A (en) * | 2012-05-31 | 2015-04-15 | 日本电产株式会社(日本) | Self-suction pump |
| CN205841234U (en) * | 2016-07-07 | 2016-12-28 | 绍兴艾柯电气有限公司 | A kind of protected type circulating pump |
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Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004144057A (en) * | 2002-10-28 | 2004-05-20 | Matsushita Electric Ind Co Ltd | Underwater sliding bearing pump |
| JP2005073325A (en) * | 2003-08-21 | 2005-03-17 | Matsushita Electric Ind Co Ltd | Dc canned pump |
| CN101303028A (en) * | 2003-09-04 | 2008-11-12 | 伟尔矿业澳大利亚有限公司 | Pump case component with bush |
| CN101054978A (en) * | 2006-04-10 | 2007-10-17 | 日本电产三协株式会社 | Pump device, motor and electric device using the motor |
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| JP2010236539A (en) * | 2009-03-11 | 2010-10-21 | Nidec Shibaura Corp | Fixed shaft for pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317088A (en) * | 2018-02-01 | 2018-07-24 | 程良连 | Energy-saving water pump of shielded direct-current synchronous permanent magnet motor |
| US20210079919A1 (en) * | 2019-09-12 | 2021-03-18 | Sunonwealth Electric Machine Industry Co., Ltd. | Fluid transportation device |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161012 |
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| RJ01 | Rejection of invention patent application after publication |