CN101777812A - Diaphragm pump motor provided with sealed rear end cover structure - Google Patents
Diaphragm pump motor provided with sealed rear end cover structure Download PDFInfo
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- CN101777812A CN101777812A CN201010105682A CN201010105682A CN101777812A CN 101777812 A CN101777812 A CN 101777812A CN 201010105682 A CN201010105682 A CN 201010105682A CN 201010105682 A CN201010105682 A CN 201010105682A CN 101777812 A CN101777812 A CN 101777812A
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- diaphragm pump
- carbon brush
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Abstract
The invention discloses a diaphragm pump motor provided with a sealed rear end cover structure, comprising a shell, a rotor component, a carbon brush frame, a carbon brush and a front end cover, wherein the rotor component and the carbon brush frame are arranged inside the shell by a rotating shaft; the carbon brush and the front end cover are arranged on the carbon brush frame; the shell has an integral molding structure and is provided with an opening end and a closed end, wherein a rear end cover of the diaphragm pump motor is formed by the closed end which is provided with a first bearing chamber for installing a first bearing; the front end cover is matched with the opening end of the shell and is provided with a second bearing chamber used for installing a second bearing; the rotor component is installed between the closed end and the front end cover by the rotating shaft; the carbon brush frame is matched with the inner side of the front end cover; and the carbon brush on the carbon brush frame is matched with a commutator inside the rotor component. The diaphragm pump motor improves the whole structure of the diaphragm pump motor in the prior art, thus realizing integration between the shell and the rear end cover, reducing the assembly link, improving the quality and reducing the cost.
Description
Technical field
The present invention relates to a kind of diaphragm pump motor, specifically a kind of diaphragm pump motor with closed rear end lid structure.
Background technology
At present, reverse osmosis water purifier has obtained being extensive use of, and membrane pump directly influences the performance of reverse osmosis water purifier as wherein core component.The patent No. is ZL200620148261.6, patent name is in a kind of patent of diaphragm pump motor, a kind of diaphragm pump motor is disclosed, comprise electric machine casing and rotor assembly, carbon brush component, carbon brush holder, front end housing, rear end cap, hubcap and bearing, described bearing is arranged in the endoporus of front end housing; Described carbon brush component comprises two groups of carbon brush braces and carbon brush, is installed on the carbon brush holder respectively; Described front end housing and rear end cap are installed in electric machine casing and rotor assembly front-end and back-end respectively, and hubcap covers the center at rear end cap, it is characterized in that: also comprise bearing cover, described bearing cover covers described bearing, and is lived by screw; Described carbon brush brace is connected carbon brush holder by four Rubber foots respectively with carbon brush with rear end cap.
Diaphragm pump motor in the above-mentioned patent, the two ends of its housing are assembled front end housing and rear end cap respectively, and structure is comparatively complicated, and installation accuracy is lower.But also exist bigger noise appears in membrane pump after operation a period of time problem, trace it to its cause is that the fit of bearing and front end housing is not become flexible by the incompatible assurance of close-fitting in service appearance between bearing and the protecgulum, but, race deformation can occur and cause the bearing clearance to diminish and then cause be in operation heating and can make motor do more idle work of bearing otherwise be in operation because bearing itself can not bear bigger interference fit.Though the utilization of above-mentioned patent increases bearing cover and solved above-mentioned bad problem substantially with the fastening method of screw, but still exist the higher and loaded down with trivial details defective of technology of cost.
Summary of the invention
Technical problem to be solved by this invention is at above-mentioned prior art present situation, and a kind of diaphragm pump motor is provided, and improves the overall structure of diaphragm pump motor of the prior art, realize that housing and rear end cap are integrated, reduce the assembling link, improve the quality, reduce cost.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of diaphragm pump motor with closed rear end lid structure comprises housing, is arranged on rotor assembly, carbon brush holder in the housing, is arranged on carbon brush and front end housing on the carbon brush holder by rotating shaft.The described housing structure that is formed in one, be shaped on an openend and a blind end, described blind end constitutes the rear end cap of diaphragm pump motor, and be shaped on the clutch shaft bearing chamber that is used to install clutch shaft bearing at blind end, described front end housing matches with the openend of housing, on front end housing, be shaped on second bearing chamber that is used to install second bearing, described rotor assembly is installed between blind end and the front end housing by rotating shaft, the inboard of described carbon brush holder and front end housing matches, and the carbon brush on the carbon brush holder matches with commutator in the rotor assembly.
For optimizing technique scheme, the measure of taking also comprises:
The blind end of above-mentioned housing is shaped on a protuberance, and described clutch shaft bearing chamber is positioned at the center of protuberance, at the indoor clutch shaft bearing that is installed with of clutch shaft bearing.
Above-mentioned clutch shaft bearing is preferably oiliness bearing.
Above-mentioned carbon brush holder is equipped with beam, and beam matches with housing and front end housing, makes friction noise and carbon brush vebrato that motor is in operation can directly not pass on electric machine casing and the front end housing, effectively reduces noise.
Be provided with axle sleeve in the second above-mentioned bearing, rotating shaft matches with second bearing by axle sleeve.
For solve the axial endplay phenomenon that prior art septation pump motor may occur behind long-play, and cause the increase of noise, and make integral body accomplish optimization from cost, band of the present invention provides a kind of front end housing, second bearing chamber of this front end housing comprises cylindrical side wall, one be used to pack into bearing chamber openend and a bundling port end that leaves through hole of second bearing, is shaped at least two location grabs that are used for fixing second bearing at interval at the bearing chamber openend.
Described location grab comprises and the integrated flexible feet of cylindrical side wall, along the extending axially of second bearing chamber, is shaped on hook portion to axle center projection at elongated end at this flexible feet, and the outer face of this hook portion is the inclined-plane.
The described cylindrical side wall and the second bearing interference fit, the outer end of the hook portion and second bearing closely cooperates.
Pack in second bearing chamber for ease of second bearing, be shaped on groove in the both sides of above-mentioned flexible feet.
In the periphery of above-mentioned bearing chamber openend, be provided with three or four location grabs.
Compared with prior art, the beneficial effect of diaphragm pump motor of the present invention is:
1, the commutator in the rotor assembly is arranged on the front end housing side, and electric machine casing and rear end cap are made of one formula, be shaped on the clutch shaft bearing chamber at the blind end of housing and substitute rear end cap, reduced the assembling link, guaranteed the quality of product and provide cost savings;
2, the bearing chamber openend at second bearing chamber is provided with the location grab, has prevented the axial endplay that second bearing may occur, and second Bearing Installation simply and hardly increases cost;
3, carbon brush holder matches with housing and front end housing by the soft rubber beam, makes friction noise and carbon brush vebrato that motor is in operation can not be directly delivered on electric machine casing and the front end housing, effectively reduces noise.
Description of drawings
Fig. 1 is the assembling decomposing schematic representation of the embodiment of the invention;
Fig. 2 is the sectional structure schematic diagram after Fig. 1 assembles;
Fig. 3 is that Fig. 1 assembles postrotational sectional structure schematic diagram;
Fig. 4 is the structural representation of front end housing among Fig. 1;
Fig. 5 is the front view that Fig. 4 is;
Fig. 6 is that the A-A of Fig. 5 is to cutaway view.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described in further detail.
Fig. 1 is to Figure 6 shows that structural representation of the present invention.
Reference numeral wherein is: housing 1, openend 1a, blind end 1b, clutch shaft bearing chamber 1c, protuberance 1d, rotating shaft 2, rotor assembly 3, commutator 3a, carbon brush holder 4, carbon brush 5, front end housing 6, the second bearing chamber 6a, cylindrical side wall 6b, bearing chamber openend 6c, bundling port end 6d, through hole 601d, location grab 6e, flexible feet 601e, hook portion 602e, inclined-plane 603e, groove 6f, second bearing 7, beam 8, clutch shaft bearing 9, axle sleeve 10.
As shown in Figure 1, a kind of diaphragm pump motor with closed rear end lid structure of the present invention comprises housing 1, is arranged on rotor assembly 3, carbon brush holder 4 in the housing 1, is arranged on carbon brush 5 and front end housing 6 on the carbon brush holder 4 by rotating shaft 2.
In the present embodiment, the blind end 1b of housing 1 is shaped on a protuberance 1d, and clutch shaft bearing chamber 1c is positioned at the center of protuberance 1d, and the 1c internal fixation is equipped with clutch shaft bearing 9 in the clutch shaft bearing chamber.
The cylindrical side wall 6b of the second bearing chamber 6a and second bearing, 7 interference fit, the outer end of the hook portion 602e and second bearing 7 closely cooperates.When second bearing 7 is installed, only need second bearing 7 is squeezed into the second bearing chamber 6a, second bearing 7 is inwardly sliding along the inclined-plane 603e of location grab 6e, flexible feet 601e elongated end hook portion 602e outwards expands simultaneously, after second bearing 7 snapped in the second bearing chamber 6a, location grab 6e is elastic recovery just, and the outer end of the hook portion 602e and second bearing 7 closely cooperates, prevent second bearing, 7 axial endplays, break away from the second bearing chamber 6a.
One end of rotating shaft 2 is rotatably assorted with the clutch shaft bearing 9 that is installed in blind end 1b, and the other end is rotatably assorted with second bearing 7 that is installed in the front end housing 6.Clutch shaft bearing 9 is preferably oiliness bearing among the present invention.Also can be provided with axle sleeve 10 in second bearing 7, rotating shaft 2 matches with second bearing 7 by axle sleeve 10.
At carbon brush holder 4 beam 8 is installed, beam 8 matches with housing 1 and front end housing 6, make friction noise and carbon brush 5 vebratos that motor is in operation can directly not pass on electric machine casing 1 and the front end housing 6, the vibration that the soft rubber pad that passes through absorbs carbon brush 5 reaches the effect that reduces noise.
Integral installation process of the present invention is as follows: carry out aided process earlier, axle sleeve 10 is pressed into second bearing, 7 inner rings, and this combination is pressed in the second bearing chamber 6a of front end housing 6; Carbon brush 5 is inserted in the brush carrier hole of carbon brush holder 4 respectively and connect corresponding power outlet, beam 8 is enclosed within on the carbon brush holder 4.Rotor assembly 3 inserted in the housing 1 and with clutch shaft bearing 9 away from the end of commutator 3a match, carbon brush holder 4 is set in the rotating shaft 2 and with the breach that beam 8 is aimed on the housings 1, front end housing 6 and housing 1 and front end housing 6 are tightened together with securing member again closes.
Most preferred embodiment of the present invention is illustrated, and various variations or the remodeling made by those of ordinary skills can not depart from the scope of the present invention.
Claims (10)
1. one kind has the diaphragm pump motor that closed rear end is covered structure, comprise housing (1), be arranged on the interior rotor assembly (3) of housing (1) by rotating shaft (2), carbon brush holder (4), be arranged on carbon brush (5) and front end housing (6) on the carbon brush holder (4), it is characterized in that: described housing (1) structure that is formed in one, be shaped on an openend (1a) and a blind end (1b), described blind end (1b) constitutes the rear end cap of diaphragm pump motor, and be shaped on the clutch shaft bearing chamber (1c) that is used to install clutch shaft bearing (9) at blind end (1b), described front end housing (6) matches with the openend (1a) of housing (1), on front end housing (6), be shaped on second bearing chamber (6a) that is used to install second bearing (7), described rotor assembly (3) is installed between blind end (1b) and the front end housing (6) by rotating shaft (2), the inboard of described carbon brush holder (4) and front end housing (6) matches, and the carbon brush (5) on the carbon brush holder (4) matches with commutator (3a) in the rotor assembly (3).
2. a kind of diaphragm pump motor according to claim 1 with closed rear end lid structure, it is characterized in that: the blind end (1b) of described housing (1) is shaped on a protuberance (1d), described clutch shaft bearing chamber (1c) is positioned at the center of protuberance (1d), and internal fixation is equipped with clutch shaft bearing (9) in clutch shaft bearing chamber (1c).
3. a kind of diaphragm pump motor with closed rear end lid structure according to claim 2, it is characterized in that: described clutch shaft bearing (9) is an oiliness bearing.
4. a kind of diaphragm pump motor according to claim 2 with closed rear end lid structure, it is characterized in that: described carbon brush holder (4) is equipped with beam (8), and beam (8) matches with housing (1) and front end housing (6).
5. a kind of diaphragm pump motor with closed rear end lid structure according to claim 4, it is characterized in that: be provided with axle sleeve (10) in described second bearing (7), described rotating shaft (2) matches with second bearing (7) by axle sleeve (10).
6. according to the described a kind of diaphragm pump motor of the arbitrary claim of claim 1 to 5 with closed rear end lid structure, it is characterized in that: second bearing chamber (6a) of described front end housing (6) comprises cylindrical side wall (6b), be used to pack into the bearing chamber openend (6c) of second bearing (7) and the bundling port end (6d) that is left through hole (601d), is shaped at least two location grabs (6e) that are used for fixing second bearing (7) at interval at bearing chamber openend (6c).
7. a kind of diaphragm pump motor according to claim 6 with closed rear end lid structure, it is characterized in that: described location grab (6e) comprises and the integrated flexible feet of cylindrical side wall (6b) (601e), this flexible feet (601e) extending axially along second bearing chamber (6a), be shaped on hook portion (602e) to the axle center projection at elongated end, the outer face of this hook portion (602e) is inclined-plane (603e).
8. a kind of diaphragm pump motor with closed rear end lid structure according to claim 7 is characterized in that: described cylindrical side wall (6b) and second bearing (7) interference fit, hook portion (602e) closely cooperates with the outer end of second bearing (7).
9. a kind of diaphragm pump motor with closed rear end lid structure according to claim 8, it is characterized in that: the both sides of described flexible feet (601e) are shaped on groove (6f).
10. a kind of diaphragm pump motor with closed rear end lid structure according to claim 9 is characterized in that: the periphery at the bearing chamber openend (6c) of described second bearing chamber (6a) is provided with three or four location grabs (6e).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010105682A CN101777812A (en) | 2010-01-28 | 2010-01-28 | Diaphragm pump motor provided with sealed rear end cover structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010105682A CN101777812A (en) | 2010-01-28 | 2010-01-28 | Diaphragm pump motor provided with sealed rear end cover structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101777812A true CN101777812A (en) | 2010-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010105682A Pending CN101777812A (en) | 2010-01-28 | 2010-01-28 | Diaphragm pump motor provided with sealed rear end cover structure |
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| CN (1) | CN101777812A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048689A (en) * | 2015-09-06 | 2015-11-11 | 刘小波 | Direct-current permanent-magnet brush motor |
| CN105099065A (en) * | 2014-04-18 | 2015-11-25 | 德昌电机(深圳)有限公司 | Automobile window glass drive unit, and driving assembly and assembling method thereof |
| CN106100195A (en) * | 2016-07-29 | 2016-11-09 | 佛山市顺德区美的饮水机制造有限公司 | For the motor cover assembly of booster pump and the booster pump with it |
| CN106411088A (en) * | 2016-12-20 | 2017-02-15 | 深圳市万至达电机制造有限公司 | Steering motor of mobile robot platform |
| CN108005887A (en) * | 2016-11-30 | 2018-05-08 | 佛山市顺德区美的饮水机制造有限公司 | Protecgulum, diaphragm pump motor component and the diaphragm pump of diaphragm pump motor component |
| CN108005886A (en) * | 2016-11-23 | 2018-05-08 | 佛山市顺德区美的饮水机制造有限公司 | Protecgulum, diaphragm pump motor component and the diaphragm pump of diaphragm pump motor component |
| CN108054893A (en) * | 2017-11-30 | 2018-05-18 | 上海航天控制技术研究所 | A kind of permanent magnet synchronous servo motor structure of Curve guide impeller |
| CN108652449A (en) * | 2017-03-28 | 2018-10-16 | 佛山市顺德区美的饮水机制造有限公司 | Electric motor mounting structure and water dispenser for water dispenser |
| CN109921539A (en) * | 2019-03-26 | 2019-06-21 | 滁州市润德电子科技有限公司 | A kind of heat dissipation end cap of easy-to-mount direct current permanent magnetic brushless motor |
| CN112242770A (en) * | 2019-07-16 | 2021-01-19 | 比亚迪股份有限公司 | Motor casing, motor and have its vehicle |
-
2010
- 2010-01-28 CN CN201010105682A patent/CN101777812A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105099065A (en) * | 2014-04-18 | 2015-11-25 | 德昌电机(深圳)有限公司 | Automobile window glass drive unit, and driving assembly and assembling method thereof |
| CN105099065B (en) * | 2014-04-18 | 2019-09-10 | 德昌电机(深圳)有限公司 | Automotive glazing driving device, driving assembly and its assembly method |
| CN105048689A (en) * | 2015-09-06 | 2015-11-11 | 刘小波 | Direct-current permanent-magnet brush motor |
| CN106100195A (en) * | 2016-07-29 | 2016-11-09 | 佛山市顺德区美的饮水机制造有限公司 | For the motor cover assembly of booster pump and the booster pump with it |
| CN108005886B (en) * | 2016-11-23 | 2019-12-06 | 佛山市顺德区美的饮水机制造有限公司 | front cover of diaphragm pump motor assembly, diaphragm pump motor assembly and diaphragm pump |
| CN108005886A (en) * | 2016-11-23 | 2018-05-08 | 佛山市顺德区美的饮水机制造有限公司 | Protecgulum, diaphragm pump motor component and the diaphragm pump of diaphragm pump motor component |
| CN108005887A (en) * | 2016-11-30 | 2018-05-08 | 佛山市顺德区美的饮水机制造有限公司 | Protecgulum, diaphragm pump motor component and the diaphragm pump of diaphragm pump motor component |
| CN106411088B (en) * | 2016-12-20 | 2019-07-02 | 深圳市万至达电机制造有限公司 | A kind of steering motor of mobile robot's platform |
| CN106411088A (en) * | 2016-12-20 | 2017-02-15 | 深圳市万至达电机制造有限公司 | Steering motor of mobile robot platform |
| CN108652449A (en) * | 2017-03-28 | 2018-10-16 | 佛山市顺德区美的饮水机制造有限公司 | Electric motor mounting structure and water dispenser for water dispenser |
| CN108652449B (en) * | 2017-03-28 | 2024-05-03 | 佛山市顺德区美的饮水机制造有限公司 | Motor mounting structure for water dispenser and water dispenser |
| CN108054893A (en) * | 2017-11-30 | 2018-05-18 | 上海航天控制技术研究所 | A kind of permanent magnet synchronous servo motor structure of Curve guide impeller |
| CN109921539A (en) * | 2019-03-26 | 2019-06-21 | 滁州市润德电子科技有限公司 | A kind of heat dissipation end cap of easy-to-mount direct current permanent magnetic brushless motor |
| CN112242770A (en) * | 2019-07-16 | 2021-01-19 | 比亚迪股份有限公司 | Motor casing, motor and have its vehicle |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: NINGBO QIANGSHENG ELECTRIC MOTOR CO., LTD. Free format text: FORMER OWNER: LU LIANMIAO Effective date: 20110311 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 315420 NINGBO QIANGSHENG ELECTRIC MOTOR CO., LTD., QIAOXI INDUSTRIAL DEVELOPMENT ZONE, LUBU TOWN, YUYAO CITY, ZHEJIANG PROVINCE TO: 315420 NINGBO QIANGSHENG ELECTRIC MOTOR CO., LTD., INDUSTRIAL PARK (QIAOXI), LUBU TOWN, YUYAO CITY, ZHEJIANG PROVINCE |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20110311 Address after: 315420 Zhejiang city of Yuyao province Lubu Industrial Park (West) Ningbo Johnson Motor Co. Ltd. Applicant after: Ningbo Qiangsheng Electric Motor Co.,Ltd. Address before: 315420 Zhejiang province Yuyao city Lubu Qiaoxi Industrial Development Zone, Ningbo Johnson Motor Co. Ltd. Applicant before: Lu Lianmiao |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100714 |