CN205123475U - Circulating pump motor - Google Patents
Circulating pump motor Download PDFInfo
- Publication number
- CN205123475U CN205123475U CN201520598438.4U CN201520598438U CN205123475U CN 205123475 U CN205123475 U CN 205123475U CN 201520598438 U CN201520598438 U CN 201520598438U CN 205123475 U CN205123475 U CN 205123475U
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- pad
- elastomeric element
- circulating pump
- pump motor
- gasket
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Abstract
The utility model discloses a circulating pump motor, including the rotor part, it specifically includes spider, is fixed in pivot among the spider, and be located gasket in the spider tip cavity, still locate including the cover the elastomeric element of gasket, the gasket passes through elastomeric element with the circumference and the axial relatively fixed of rotor part. This circulating pump motor utilizes elastomeric element's elastic deformation to realize gasket and rotor part circumference and axial relatively fixed, so, gasket and rotor parts homoenergetic in circumference and axial are enough fixed, have avoided because of the vibration and noise that gasket circumference or axial float cause, simultaneously, no matter which kind of orientation work the motor is in, and the axial position of gasket can not change, can avoid gasket and the permanent contact friction of shaft ends's bearing to can prolong the life of motor.
Description
Technical field
The utility model relates to technical field of motors, particularly relates to a kind of circulating pump motor.
Background technology
In life, usually use circulating pump to be used for the various occasion needing circulation, as Domestic circulating hot water, boiler circulation etc.
Please refer to Fig. 1, Fig. 1 is the structural representation of existing common circulating pump.
Circulating pump multipurpose motor 10, as power source, drives the impeller 20 of water pump to rotate the liquid-circulating carried out in the pump housing 30 by motor 10.Wherein, motor 10 comprises stator component 11 and rotor part 12.
Please refer to Fig. 2, Fig. 2 is the generalized section of the rotor part of existing common circulating pump motor.
Rotor field spider 121 and the rotating shaft 122 of rotor part 12 are set to one, when motor 10 operates, drive rotating shaft 122 high speed rotating by rotor field spider 121.
For avoiding the rotor field spider 121 rotated directly to contact phase mutual friction with static bearing 123, between rotor field spider 121 and bearing 123, being provided with wear-resisting pad 124, pad is rotated with rotor field spider 121.
Wherein, bearing 123 is directly assemblied on end cap, and rotating shaft 122 is plugged in rotor field spider 121, and rotor field spider 121 is provided with installation portion 1211, and pad 124 is coated at this installation portion 1211, and as shown in Figure 2, installation portion 1211 is between pad 124 and rotating shaft 122.
Can rotate with rotor field spider 121 in order to ensure pad 124, the circumference of this installation portion 1211 has position limiting structure, to make pad 124 relative with the circumference of rotor field spider 121 fixing.
Understand incorporated by reference to Fig. 3, Fig. 3 is that the A-A of Fig. 2 rotor parts is to cutaway view.
The circumference of aforementioned installation portion 1211 has a planar structure 1211a, the endoporus of pad 124 and its adaptation, thus pad 124 is relative with the circumference of rotor field spider 121 fixing, and pad 124 can rotate with rotor field spider 121.Obviously, this planar structure 1211a is aforementioned position limiting structure.
But there is following problems in this motor in actual motion:
Because aforesaid plane structure 1211a can only guarantee that pad 124 is relative with the circumference of rotor field spider 121 fixing, cannot the axial location of locating shim 124, and motor 10 has end play, pad 124 phase countershaft 122 can produce certain axial movement value, thus increases the noise and vibration of motor 10 running; Fit-up gap between pad 124 and rotor field spider 121 also can cause pad 124 to have slight movement in circumference, can increase the noise and vibration that motor 10 operates equally;
In addition, due to the axially nothing location of pad 124, when motor 10 be in vertical state (as shown in Figure 2 orientation) work time, be affected by gravity, the pad 124 of below can be close to the bearing 123 of below all the time, and can understand by composition graphs 4, it is the partial enlarged drawing at B position in Fig. 2, thus the pad 124 of below contacts all the time with the bearing 123 of below and produces and rubs, and then reduce the useful life of motor 10.
In view of this, how to carry out Optimal Structure Designing for existing circulating pump motor, to make the circumferential and axial of pad relative rotor parts all can fix, avoiding because of pad circumference or move axially the vibration and noise that cause, is the current technical issues that need to address of those skilled in the art.
Utility model content
The purpose of this utility model is to provide a kind of circulating pump motor, and the structural design of this motor makes the circumferential and axial of pad relative rotor parts all can fix, and avoids the vibration because pad circumference or axial endplay cause and noise; Meanwhile, because pad is all relative with the circumferential and axial of rotor part fixing, so no matter which kind of direction work motor is in, pad and bearing permanent contact all can be avoided to rub, thus the useful life of motor can be extended.
For solving the problems of the technologies described above, the utility model provides a kind of circulating pump motor, comprises rotor part, and it specifically comprises rotor field spider, the rotating shaft of being fixed in described rotor field spider, and is positioned at the pad of described rotor field spider end cavity; Also comprise the elastomeric element being sheathed on described pad, described pad is by the circumference of described elastomeric element and described rotor part and axially relative fixing.
The utility model achieves the circumference of pad and rotor part and axially relative fixing by architecture advances.Particularly, in this programme, pad is arranged with elastomeric element, during assembling, is arranged with elastomeric element pad and is directly installed in the cavity of rotor field spider end, utilize the strain of elastomeric element to realize pad and rotor part circumference and axial relative fixing; So, pad and rotor part are in circumference and axially all can fix, avoid the vibration because pad circumference or axial endplay cause and noise, simultaneously, no matter which kind of direction work motor is in, the axial location of pad can not change, and the bearing permanent contact of pad and roller end can be avoided to rub, thus can extend the useful life of motor; In addition, in real work, because elastomeric element has strain function, can also cushioning effect be played, and, also suitably can adjust the position of pad, make it relative with the contact area of bearing maximum, to reduce amount of friction.
In addition, due to the planar structure locating shim by installation portion in prior art, so when assembling pad, needing the planar portions of pad endoporus to aim at the planar structure of installation portion can, and in reality, because installation portion has certain depth, thus bring difficulty to the assembling of pad, and the pad of sheathed elastomeric element only need utilize the elasticity of elastomeric element to extrude to insert in the cavity of rotor field spider end, significantly reduce assembly difficulty by the circulating pump motor that the utility model provides.
The periphery wall of described pad offers the contained structure installing described elastomeric element, and described pad is fixed on described rotor field spider by described elastomeric element.
The internal perisporium of described pad offers the contained structure installing described elastomeric element, and described pad is fixed on described rotating shaft by described elastomeric element.
Described contained structure is cannelure.
Described contained structure is ledge structure.
The section of described elastomeric element is the stairstepping coordinated with described ledge structure.
The circular cross-section of described elastomeric element or square or rectangle.
Described elastomeric element is O type circle.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing common circulating pump;
Fig. 2 is the generalized section of the rotor part of existing common circulating pump motor;
Fig. 3 is that the A-A of Fig. 2 rotor parts is to cutaway view;
Fig. 4 is the partial enlarged drawing at B position in Fig. 2;
Fig. 5 provides by the utility model the structural representation of circulating pump motor first embodiment;
Fig. 6 is the partial enlarged drawing at C position in Fig. 5;
Fig. 7 provides by the utility model the structural representation of circulating pump motor second embodiment;
Fig. 8-Figure 12 shows the structural representation of five kinds of specific embodiments that pad coordinates with elastomeric element.
Wherein, the one-to-one relationship in Fig. 1 to Fig. 4 between Reference numeral and component names is as follows:
Motor 10, stator component 11, rotor part 12;
Rotor field spider 121, installation portion 1211, planar structure 1211a, rotating shaft 122, bearing 123, pad 124;
Impeller 20, the pump housing 30;
Wherein, the one-to-one relationship in Fig. 5 to Figure 12 between Reference numeral and component names is as follows:
Rotor field spider 401, cavity 401a, rotating shaft 402, bearing 403, pad 404, contained structure 404a, elastomeric element 405.
Embodiment
Core of the present utility model is to provide a kind of circulating pump motor, and the structural design of this motor makes the circumferential and axial of pad relative rotor parts all can fix, and avoids the vibration because pad circumference or axial endplay cause and noise; Meanwhile, because pad is all relative with the circumferential and axial of rotor part fixing, so no matter which kind of direction work motor is in, pad and bearing permanent contact all can be avoided to rub, thus the useful life of motor can be extended.
In order to make those skilled in the art person understand the utility model scheme better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 5 and Fig. 6, Fig. 5 provides by the utility model the structural representation of circulating pump motor first embodiment; Fig. 6 is the partial enlarged drawing at C position in Fig. 5.
In the present embodiment, the rotor part of circulating pump motor comprises rotor field spider 401 and the rotating shaft 402 of being fixed in rotor field spider 401.Particularly, rotating shaft 402 is plugged in rotor field spider 401, certainly, rotating shaft 402 also can injection moulding in rotor field spider 401.
The two ends of rotating shaft 402 are set with bearing 403, and bearing 403 is connected with end cap.
During work, the stator component of motor drives rotor part to run up, and for reducing the wearing and tearing between operation process middle (center) bearing 403 and rotor field spider 401, is provided with pad 404 between bearing 403 and rotor field spider 401.
Usually, the end of rotor field spider 401 is provided with the cavity 401a holding pad 404.
In the present embodiment, the periphery wall of pad 404 is also arranged with elastomeric element 405, during assembling, first by good to elastomeric element 405 and pad 404 secure fit, again pad 404 is loaded in cavity 401a, elastomeric element 405 is squeezed between pad 404 periphery wall and cavity 401a internal perisporium, utilizes the elastic deformation amount of elastomeric element 405 to be fixed by pad 404, makes pad 404 all relative with the circumferential and axial of rotor field spider 401 fixing.
As above, because pad 404 and rotor part are in circumference and axially all can fix, avoid the vibration because pad 404 circumference or axial endplay cause and noise, simultaneously, no matter which kind of direction work motor is in, the axial location of pad 404 can not change, and can avoid pad 404 and the friction of bearing 403 permanent contact, thus can extend the useful life of motor; In addition, in real work, the setting of elastomeric element 405 is except setting-up piece 404, the strain function had due to himself, can also play cushioning effect, and, also suitably can adjust the position of pad 404, make it relative with the contact area of bearing 403 maximum, to reduce amount of friction.
In addition, due to the planar structure locating shim by installation portion in prior art, so when assembling pad, needing the planar portions of pad endoporus to aim at the planar structure of installation portion can, and in reality, because installation portion has certain depth, thus bring difficulty to the assembling of pad, and the pad of sheathed elastomeric element only need utilize the elasticity of elastomeric element to extrude to insert in the cavity of rotor field spider end, significantly reduce assembly difficulty by the motor that the present embodiment provides.
Please refer to Fig. 7, Fig. 7 provides by the utility model the structural representation of circulating pump motor second embodiment.
The present embodiment is identical with the design principle of aforementioned first embodiment, difference is, in the present embodiment, elastomeric element 405 is sheathed on the internal perisporium of pad 404, during assembling, first by good to elastomeric element 405 and pad 404 secure fit, again pad 404 is loaded in cavity 401a, now, elastomeric element 405 is squeezed between pad 404 internal perisporium and rotating shaft 402 periphery wall, be utilize the elastic deformation amount of elastomeric element 405 to be fixed by pad 404 equally, make pad 404 all relative with the circumferential and axial of rotating shaft 402 fixing.
Design like this, can play equally with the identical technique effect of aforementioned first embodiment, it is no longer repeated here.
Lower mask body introduces the fit form of pad 404 and elastomeric element 405.
Understand incorporated by reference to Fig. 8-Figure 10, Fig. 8-Figure 10 shows three kinds of different structures when elastomeric element 405 is coated at pad 404.
As shown in Figure 8, the periphery wall of pad 404 is provided with contained structure 404a, and this contained structure 404a is step-like structure, and elastomeric element 405 is coated at this step-like structure, and fits with the step surface of this step-like structure.
The contained structure 404a of pad 404 can also be set to ring channel structures as shown in Figure 9, and elastomeric element 405 is placed in this ring channel structures.
When the contained structure 404a of pad 404 is for step-like structure shown in Fig. 8, the section of elastomeric element 405 can be set to the stairstepping cooperatively interacted with this step-like structure, as shown in Figure 10.
Actual when arranging, the section of elastomeric element 405 can be rounded, as shown in Figure 8, also can be rectangular, as shown in Figure 9, can certainly be square or ellipse etc.
Be appreciated that when elastomeric element 405 is arranged at the internal perisporium of pad 404, pad 404 is similar to the above with the fit system of elastomeric element 405.Specifically understand incorporated by reference to Figure 11 and Figure 12.
In Figure 11, the contained structure 404a that pad 404 internal perisporium is arranged is step-like structure, Tu12Zhong, and the contained structure 404a that pad 404 internal perisporium is arranged is ring channel structures.
Certainly, the section configuration of elastomeric element 405 also can be set to various, as circular, square, rectangle or ellipse etc.
In concrete scheme, elastomeric element 405 can be set to O type circle, and other can certainly be selected to have flexible parts.
Above circulating pump motor provided by the utility model is described in detail.Apply specific case herein to set forth principle of the present utility model and execution mode, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection range of the utility model claim.
Claims (8)
1. circulating pump motor, comprise rotor part, it specifically comprises rotor field spider (401), the rotating shaft (402) of being fixed in described rotor field spider (401), and is positioned at the pad (404) of described rotor field spider (401) end cavity (401a); It is characterized in that, also comprise the elastomeric element (405) being sheathed on described pad (404), described pad (404) is by the circumference of described elastomeric element (405) and described rotor part and axially relative fixing.
2. circulating pump motor according to claim 1, it is characterized in that, the periphery wall of described pad (404) offers the contained structure (404a) installing described elastomeric element (405), and described pad (404) is fixed on described rotor field spider (401) by described elastomeric element (405).
3. circulating pump motor according to claim 1, it is characterized in that, the internal perisporium of described pad (404) offers the contained structure (404a) installing described elastomeric element (405), and described pad (404) is fixed on described rotating shaft (402) by described elastomeric element (405).
4. circulating pump motor according to claim 1 and 2, is characterized in that, described contained structure (404a) is cannelure.
5. circulating pump motor according to claim 1 and 2, is characterized in that, described contained structure (404a) is ledge structure.
6. circulating pump motor according to claim 5, is characterized in that, the section of described elastomeric element (405) is the stairstepping coordinated with described ledge structure.
7. the circulating pump motor according to any one of claim 1-3, is characterized in that, the circular cross-section of described elastomeric element (405) or square or rectangle.
8. the circulating pump motor according to any one of claim 1-3, is characterized in that, described elastomeric element (405) is O type circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520598438.4U CN205123475U (en) | 2015-08-10 | 2015-08-10 | Circulating pump motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520598438.4U CN205123475U (en) | 2015-08-10 | 2015-08-10 | Circulating pump motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205123475U true CN205123475U (en) | 2016-03-30 |
Family
ID=55579047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520598438.4U Active CN205123475U (en) | 2015-08-10 | 2015-08-10 | Circulating pump motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205123475U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112821685A (en) * | 2021-02-23 | 2021-05-18 | 江西江特电机有限公司 | Design method for saving axial space of motor |
-
2015
- 2015-08-10 CN CN201520598438.4U patent/CN205123475U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112821685A (en) * | 2021-02-23 | 2021-05-18 | 江西江特电机有限公司 | Design method for saving axial space of motor |
| CN112821685B (en) * | 2021-02-23 | 2022-08-26 | 江西江特电机有限公司 | Design method for saving axial space of motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220810 Address after: 312500 Daming new area, Zhejiang Xinchang Economic Development Zone, Xinchang County, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Sanhua Commercial Refrigeration Co.,Ltd. Address before: 312500 xialiquan village, Qixing street, Xinchang County, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG SANHUA CLIMATE AND APPLIANCE CONTROLS GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right |