CN101865156B - Connection structure of bearing cover and rotor shaft in hot-water recycle pump - Google Patents
Connection structure of bearing cover and rotor shaft in hot-water recycle pump Download PDFInfo
- Publication number
- CN101865156B CN101865156B CN 201010226716 CN201010226716A CN101865156B CN 101865156 B CN101865156 B CN 101865156B CN 201010226716 CN201010226716 CN 201010226716 CN 201010226716 A CN201010226716 A CN 201010226716A CN 101865156 B CN101865156 B CN 101865156B
- Authority
- CN
- China
- Prior art keywords
- bearing
- rotor shaft
- thrust
- rotor
- face
- 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.)
- Active
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a connection structure of a bearing cover and a rotor shaft in a hot-water recycle pump, which belongs to the technical field of machines. The connection structure solves the problem of loud striking noises between a thrust bearing and a sliding bearing when the hot-water recycle pump moves axially and the like. The connection structure of the bearing cover and the rotor shaft in the hot-water recycle pump comprises the rotor shaft, a rotor sleeved on the rotor shaft, the thrust bearing and the bearing cover, wherein the sliding bearing is arranged between the bearing cover and the rotor shaft; the thrust bearing is positioned between the rotor and the sliding bearing and pressed against the sliding bearing; a cylindrical connecting part made of an elastic material is arranged between the thrust bearing and the rotor; the connecting part is sleeved with the rotor shaft and in sealed connection with the rotor shaft; and the two ends of the connecting part are pressed against the rotor and the thrust bearing. The connecting structure has the advantages of greatly reducing the striking noises between the thrust bearing and the sliding bearing when the rotor shaft moves axially and stabilizing the operation of a motor.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of linkage structure, particularly the linkage structure of a kind of hot water circulating pump middle (center) bearing lid and rotor shaft.
Background technique
Present hot water circulating pump adopts seal shaft to the mechanical seal of revealing mostly, its structural electromotor part mainly comprises the parts such as stator, rotor, bearing, rotor shaft and bearing cap, the water pump part mainly comprises impeller and has the pump housing of water intake and water outlet, separates by the bearing cap sealing between its water pump and the motor.Enter motor although can prevent the liquid in the water pump, thereby so that motor normal operation, but still there are some problems, mainly be: motor can generate heat in the course of the work, motor can not obtain effective cooling, thereby affected working life and the performance of motor, its motor can not get at work cooling and causes its heat resistance bad.
Afterwards, people have designed a kind of cooling structure for hot water circulating pump, comprise stator, thrust-bearing, rotor shaft and fixedly sleeved rotor on rotor shaft, sliding bearing and bearing cap, this cooling structure comprises the housing cylindraceous that is between rotor and stator, one end of described housing is connected with above-mentioned rotor shaft sealing, its the other end and bearing cap are tightly connected, described housing, bearing cap and rotor shaft three form a cooling cavity, above-mentioned rotor is positioned at this cooling cavity, thrust-bearing is between rotor and sliding bearing, the one end leans on the end face of sliding bearing, the other end leans on rotor, described bearing cap is provided with several water inlets, have the water-guiding hole that communicates with the recycle pump pump head on the axle center of described rotor shaft, the sidepiece of described rotor shaft also is provided with the osculum that is communicated with cooling cavity and water-guiding hole.This design can be so that liquid cools off motor by the cool cycles passage that consists of between cooling cavity, osculum and the water-guiding hole, thereby improve cooling effect to hot water circulating pump to improve its motor heat resistance, but still there are some problems: thus the axial float meeting that its rotor shaft occurs when work is sent very large impact noise so that produce bump between thrust-bearing and the sliding bearing end face, has affected simultaneously operating steadily of motor.
Summary of the invention
The objective of the invention is to have the problems referred to above for existing technology, proposed a kind of linkage structure that when rotor shaft work generation axial float, can greatly reduce hot water circulating pump middle (center) bearing lid with the rotor shaft of the impact noise between its thrust-bearing and the sliding bearing.
Purpose of the present invention can realize by following technical proposal: the linkage structure of a kind of hot water circulating pump middle (center) bearing lid and rotor shaft, comprise rotor shaft and the rotor that is socketed on the rotor shaft, thrust-bearing and bearing cap, rotor is connected on the rotor shaft, be provided with sliding bearing between bearing cap and the rotor shaft, described thrust-bearing is between rotor and sliding bearing and lean on sliding bearing, it is characterized in that: be provided with between described thrust-bearing and the rotor made by elastic material and be link cylindraceous, this link is socketed on the rotor shaft and with rotor shaft sealing and is connected, and its two ends of described link lean respectively on above-mentioned rotor and thrust-bearing.
Rotor is fixed on the rotor shaft, and bearing covers tightly and entangles on the sliding bearing periphery wall, and sliding bearing and rotor shaft are slidingly connected.Bearing cap and motor casing are connected, and when the rotor shaft rotation work, sliding bearing and bearing cap, motor casing connect together, and keep motionless, and rotor, link are along with rotor shaft rotates together, and link can drive thrust-bearing and rotate together.Axial float can occur in rotor shaft its rotor shaft in rotation process, thrust-bearing leans together mutually with sliding bearing, exists but still leave very little space between the two, when the bearing play occurs, can clash between sliding bearing and the thrust-bearing, produce very large impact noise.But between rotor and thrust-bearing, added link in the technical program and this link has elasticity, impact force a big chunk connected piece is cushioned, avoided occuring original violent bump, thereby greatly reduced impact noise even can reach elimination, also effectively reduce simultaneously its axial float amplitude, thereby improve the smooth running of motor.
In the linkage structure of above-mentioned a kind of hot water circulating pump middle (center) bearing lid and rotor shaft, described link is rubber sleeve.
In the linkage structure of above-mentioned a kind of hot water circulating pump middle (center) bearing lid and rotor shaft, described rubber sleeve inner circumferential surface is provided with step two, and above-mentioned thrust-bearing leans on step two.Rubber sleeve can be fixed thrust-bearing and thrust-bearing is had certain positioning action, when thrust-bearing is subject to impact force from sliding bearing, its impact force major part has been cushioned by rubber sleeve, and its noise that sends because of bump is greatly weakened even is eliminated.
In the linkage structure of above-mentioned a kind of hot water circulating pump middle (center) bearing lid and rotor shaft, described thrust-bearing in the form of a ring, the outer circumferential face of thrust-bearing is provided with step one, this step one is divided into the front end with front-end face and the rearward end with ear end face with thrust-bearing, described ear end face is than front end face width and lean on above-mentioned step two, and described front-end face leans on above-mentioned sliding bearing.
Rubber sleeve tightly is enclosed within and on the rearward end of thrust-bearing thrust-bearing is fixed and certain regulating action can be arranged the position of thrust-bearing, make the smooth applying of end face energy of thrust-bearing and sliding bearing, so that they are more stable when work, certain effect has been played in the smooth running of motor.
In the linkage structure of above-mentioned a kind of hot water circulating pump middle (center) bearing lid and rotor shaft, described sliding bearing is to be formed by ceramic material, and its thrust-bearing is to be made by graphite material.
In the linkage structure of above-mentioned a kind of hot water circulating pump middle (center) bearing lid and rotor shaft, described sliding bearing is to be made by graphite material, and its thrust-bearing is to be formed by ceramic material.
Stupalith has abrasiveness, and in use more mill is more smooth, thereby reduces friction coefficient, strengthens lubricity.Graphite is a kind of good high temperature resistant, wear-resisting, and has self lubricity.Above-mentioned bi-material is used, and has not only improved lubricity, also so that hot water circulating pump can reach quiet work, operates steadily.
In the linkage structure of above-mentioned a kind of hot water circulating pump middle (center) bearing lid and rotor shaft, described thrust-bearing is provided with several grooves, and described groove is positioned on the front-end face of thrust-bearing.
Groove can connect the interior cavity of motor casing and the gap between sliding bearing and the rotor shaft, liquid enters into the space between sliding bearing and the rotor shaft and then sliding bearing is carried out liquid lubrication by these grooves can the cavity in motor casing, improves the lubricity of its sliding bearing.
Compared with prior art, be provided with in the linkage structure of this hot water circulating pump middle (center) bearing lid and rotor shaft and have flexible rubber sleeve, this rubber sleeve and thrust-bearing, its thrust-bearing and sliding bearing mutually clashed into the noise of generation even can reach the effect that abates the noise when the sliding bearing cooperating can not only reduce rotor shaft generation axial float greatly, and can also effectively slow down axial float so that the motor operation is more steady.Simultaneously, the groove in this structure on its thrust-bearing can insert the liquid in the space between rotor shaft and the sliding bearing, has greatly improved the lubricity of sliding bearing.
Description of drawings
Fig. 1 is the hot water circuit pump structure sectional view that the present invention is applied to.
Fig. 2 is structure cross-sectional schematic of the present invention.
Fig. 3 is the structural representation of thrust-bearing among the present invention.
Fig. 4 is the right elevation of Fig. 3.
Fig. 5 is the structural representation of rubber sleeve among the present invention.
Fig. 6 is the sectional view of the right elevation of Fig. 5.
Among the figure, 1, rotor shaft; 2, rotor; 3, bearing cap; 4, sliding bearing; 5, thrust-bearing; 51, front end; 51a, front-end face; 52, rearward end; 52a, ear end face; 53, step one; 6, rubber sleeve; 61, step two; 7, groove; 8, motor casing.
Embodiment
Below be specific embodiments of the invention and by reference to the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figure 1, this hot water circulating pump middle (center) bearing lid 3 is arranged in the motor casing 8 of hot water circulating pump with the linkage structure of rotor shaft 1, comprises rotor shaft 1 and the rotor 2, bearing cap 3, rubber sleeve 6 and the thrust-bearing 5 that are socketed on the rotor shaft 1.As shown in Figure 2, rotor 2 is connected on the rotor shaft 1, and rubber sleeve 6 is tightly connected with rotor shaft 1.Be provided with sliding bearing 4 between bearing cap 3 and the rotor shaft 1, thrust-bearing 5 is between rubber sleeve 6 and sliding bearing 4, and rubber sleeve 6 is between thrust-bearing 5 and rotor 2.
Shown in Fig. 2,3 and 4, thrust-bearing 5 in the form of a ring, the outer circumferential face of thrust-bearing 5 is provided with step 1, this step 1 is divided into thrust-bearing 5 front end 51 with front-end face 51a and has the rearward end 52 of ear end face 52a, ear end face 52a is wider than front-end face 51a, the ear end face of thrust-bearing 5 leans on rubber sleeve 6, evenly is provided with three grooves 7 on the smooth applying of end face of front-end face 51a and sliding bearing 4 and its.These three grooves 7 can be communicated with cavity in the motor casing 8 and the space between rotor shaft 1 and the sliding bearing 4, thereby so that the liquid that enters in motor casing 8 inner cavities can be lubricated sliding bearing 4 by the space that these three grooves 7 enter between rotor shaft 1 and the sliding bearing 4, improved the lubricity of sliding bearing 4.
Shown in Fig. 2,5 and 6, rubber sleeve 6 is cylindric and inner circumferential surface is provided with step 2 61, rubber sleeve 6 clamping sleeves are located on the rearward end 52 of thrust-bearing 5 and the ear end face 52a of thrust-bearing 5 leans on step 2 61, and the ear end face 52a of rubber sleeve 6 leans on rotor 2.When axial float occurs in rotor shaft 1 work, thereby can bump between its sliding bearing 4 and the thrust-bearing 5 and produce violent impact noise, its rubber sleeve 6 is made for elastic material, has pooling feature, its most of impact force can be cushioned, thereby greatly reduce its impact noise even can reach the effect of eliminating its noise, can also effectively extenuate the axial float of rotor shaft 1 by rubber sleeve 6, improved the motor traveling comfort.
Sliding bearing 4 in the present embodiment is to be made by soaking the antimony graphite material, and its thrust-bearing 5 is to be made by zirconia ceramics material.
Sliding bearing 4 in the present embodiment can also be made by zirconia ceramics material, and corresponding thrust-bearing 5 is made by soaking the antimony graphite material.
Specific embodiment described herein only is to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has more used the terms such as rotor shaft 1, rotor 2, bearing cap 3, sliding bearing 4, thrust-bearing 5, front end 51, front-end face 51a, rearward end 52, ear end face 52a, step 1, rubber sleeve 6, step 2 61, groove 7, motor casing 8, do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present invention; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (3)
1. the linkage structure of hot water circulating pump middle (center) bearing lid and rotor shaft, comprise rotor shaft (1) and be socketed in rotor (2) on the rotor shaft (1), thrust-bearing (5) and bearing cap (3), rotor (2) is connected on the rotor shaft (1), be provided with sliding bearing (4) between bearing cap (3) and the rotor shaft (1), described thrust-bearing (5) is positioned between rotor (2) and the sliding bearing (4) and leans on sliding bearing (4), it is characterized in that: be provided with between described thrust-bearing (5) and the rotor (2) made by elastic material and be link cylindraceous, this link is socketed in rotor shaft (1) and upward and with rotor shaft (1) is tightly connected, and its two ends of described link lean respectively on above-mentioned rotor (2) and thrust-bearing (5); Described link is rubber sleeve (6); Described rubber sleeve (6) inner circumferential surface is provided with step two (61), and above-mentioned thrust-bearing (5) leans on step two (61); Described thrust-bearing (5) is provided with several grooves (7), and described groove (7) is positioned on the front-end face (51a) of thrust-bearing (5); Described thrust-bearing (5) in the form of a ring, the outer circumferential face of thrust-bearing (5) is provided with step one (53), this step one (53) with thrust-bearing (5) be divided into have front-end face (51a) front end (51) and have the rearward end (52) of ear end face (52a), described ear end face (52a) is wider and lean on above-mentioned step two (61) than front-end face (51a), and described front-end face (51a) leans on above-mentioned sliding bearing (4).
2. the linkage structure of a kind of hot water circulating pump middle (center) bearing lid according to claim 1 and rotor shaft is characterized in that described sliding bearing (4) is to be formed by ceramic material, and its thrust-bearing (5) is to be made by graphite material.
3. the linkage structure of a kind of hot water circulating pump middle (center) bearing lid according to claim 1 and rotor shaft is characterized in that described sliding bearing (4) is to be made by graphite material, and its thrust-bearing (5) is to be formed by ceramic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010226716 CN101865156B (en) | 2010-07-14 | 2010-07-14 | Connection structure of bearing cover and rotor shaft in hot-water recycle pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010226716 CN101865156B (en) | 2010-07-14 | 2010-07-14 | Connection structure of bearing cover and rotor shaft in hot-water recycle pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101865156A CN101865156A (en) | 2010-10-20 |
| CN101865156B true CN101865156B (en) | 2013-05-01 |
Family
ID=42957021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010226716 Active CN101865156B (en) | 2010-07-14 | 2010-07-14 | Connection structure of bearing cover and rotor shaft in hot-water recycle pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101865156B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026826B (en) * | 2018-09-18 | 2024-03-29 | 台州德基水泵科技有限公司 | Noise-reducing self-priming pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200940586Y (en) * | 2006-08-29 | 2007-08-29 | 秦军光 | Water filling type submersible pump |
| CN101307767A (en) * | 2008-01-31 | 2008-11-19 | 上海新沪电机厂有限公司 | Single-phase pipeline shielding electric pump |
| CN201269208Y (en) * | 2008-09-12 | 2009-07-08 | 熊文安 | Axial movement controllable submersible electric pump employing graphite slide bearing |
| CN201281027Y (en) * | 2008-06-20 | 2009-07-29 | 上海禧龙太阳能科技有限公司 | Solar energy photovolaic water pump |
| CN201747653U (en) * | 2010-07-14 | 2011-02-16 | 浙江浪奇泵业有限公司 | Connecting structure for bearing cover and rotor spindle in hot water circulating pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4479495B2 (en) * | 2004-12-15 | 2010-06-09 | 株式会社日立プラントテクノロジー | Pump for liquefied gas |
-
2010
- 2010-07-14 CN CN 201010226716 patent/CN101865156B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200940586Y (en) * | 2006-08-29 | 2007-08-29 | 秦军光 | Water filling type submersible pump |
| CN101307767A (en) * | 2008-01-31 | 2008-11-19 | 上海新沪电机厂有限公司 | Single-phase pipeline shielding electric pump |
| CN201281027Y (en) * | 2008-06-20 | 2009-07-29 | 上海禧龙太阳能科技有限公司 | Solar energy photovolaic water pump |
| CN201269208Y (en) * | 2008-09-12 | 2009-07-08 | 熊文安 | Axial movement controllable submersible electric pump employing graphite slide bearing |
| CN201747653U (en) * | 2010-07-14 | 2011-02-16 | 浙江浪奇泵业有限公司 | Connecting structure for bearing cover and rotor spindle in hot water circulating pump |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2006-170046A 2006.06.29 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101865156A (en) | 2010-10-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201450393U (en) | Supporting structure of motor shaft | |
| CN101865156B (en) | Connection structure of bearing cover and rotor shaft in hot-water recycle pump | |
| CN201747653U (en) | Connecting structure for bearing cover and rotor spindle in hot water circulating pump | |
| CN110725802A (en) | Integrated magnetic pump in impeller | |
| CN106763213B (en) | A kind of high lubricated type washing machine high-speed electric expreess locomotive bearing | |
| CN209250426U (en) | A kind of motor | |
| CN208782616U (en) | A kind of motor | |
| CN205533222U (en) | Change jar piston compressor's pump body and have its compressor | |
| CN104033493B (en) | bearing fixing structure | |
| CN206206388U (en) | A kind of universal structure | |
| CN210599469U (en) | Water-cooled amphibious multistage pipeline pump | |
| CN201991793U (en) | Shaft sleeve in electric submerged pump for well | |
| CN211116659U (en) | Impeller inner magnetic integrated magnetic pump | |
| JP2001309608A (en) | Motor | |
| CN208804005U (en) | Electronic water pump and sliding bearing | |
| CN203867917U (en) | Motor for circulating pump of dish-washing machine and circulating pump of dish-washing machine | |
| CN208261874U (en) | Built-in main tapping | |
| CN215120432U (en) | Rotating shaft limiting assembly and motor | |
| CN207261594U (en) | A kind of polish rod transmission component | |
| CN107013560B (en) | Combined bearing and dental handpiece using same | |
| CN217814884U (en) | Damping structure and massage armchair of gear box | |
| CN219812067U (en) | Driving motor | |
| CN209488333U (en) | A kind of used in high-speed motor sliding bearing of integral type | |
| CN106438720A (en) | Outer sliding type automobile transmission shaft middle support structure | |
| CN215344228U (en) | Vibration motor structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |