CN203500034U - Actuating mechanism for alternating current and permanent magnet drainage pump - Google Patents
Actuating mechanism for alternating current and permanent magnet drainage pump Download PDFInfo
- Publication number
- CN203500034U CN203500034U CN201320567057.0U CN201320567057U CN203500034U CN 203500034 U CN203500034 U CN 203500034U CN 201320567057 U CN201320567057 U CN 201320567057U CN 203500034 U CN203500034 U CN 203500034U
- Authority
- CN
- China
- Prior art keywords
- muscle
- limit rib
- permanent
- reducing structure
- shock reducing
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses an actuating mechanism for an alternating current and permanent magnet drainage pump. The actuating mechanism comprises a magnetic core (92), a rotor shaft (91), a starting sleeve (93b) and a shaft sleeve (93a). The magnetic core is sleeved on the rotor shaft (91) and one end of the rotor shaft is fixed with an impeller (2). The starting sleeve (93b) is fixedly connected at one end, away from the impeller, of the magnetic core. The inner wall of the starting sleeve is provided with a starting rib (93b'). A shaft sleeve (93a) is fixed on the rotor shaft and arranged in the starting sleeve. The outer wall of the shaft sleeve is provided with a spacing rib (93a '). A damping body (93c) is arranged in an empty cavity disposed between the starting sleeve and the shaft sleeve. An anti-interference gap is arranged between the starting rib and the spacing rib. The actuating mechanism for the alternating current and permanent magnet drainage pump has following beneficial effects: the actuating mechanism is simple in structure; the anti-interference gap is arranged between the starting rib and the spacing rib and the damping body is evenly in stress so that the damping body and all members are long in service lifetime; and the actuating mechanism is good in damping effect and low in operating noise.
Description
Technical field
The utility model relates to draining pump technical field, relates in particular to a kind of starting mechanism of AC permanent-magnet draining pump.
Background technique
At notice of authorization number, be CN202841037U, the Chinese utility model patent that model utility name is called " magnetic core starting mechanism and the draining pump of alternating current permanent magnet synchronous water discharge pump motor " discloses a kind of magnetic core starting mechanism of alternating current permanent magnet synchronous water discharge pump motor, comprise p-m rotor, rotor shaft and rotor axle sleeve, the tubular body outer side wall of axle sleeve protrudes one and starts muscle, the magnetic core of p-m rotor have one can accommodating described axle sleeve receiving cavity, receiving cavity madial wall protrudes a limit rib, start muscle and limit rib and interfere two groups of interference surfaces of formation, in each group interference surface, be installed on a damping elastomer, damping elastomer has towards starting the first cambered surface of muscle and towards the second cambered surface of limit rib, start muscle or limit rib and there is respectively the globoidal structure with the first cambered surface or the second cambered surface with same curvature radius and centre of curvature.This patent has been improved the spatial structure that starts the interference surface between muscle and limit rib, has reduced the beating noise producing when starting between axle sleeve, damping elastomer and fan blade.
But, adopting above-mentioned structure, although start between muscle and limit rib, can directly not contact, owing to starting muscle and limit rib, will interfere, so it is less to start the stress surface of muscle and limit rib, easily causes the infringement of member.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, a kind of starting mechanism of AC permanent-magnet draining pump is provided, it is simple in structure, start between muscle and limit rib and there is anti-interference gap, in start-up course, make shock reducing structure stress equalization, so the long service life of shock reducing structure and each member, good damping effect, operational noise is little.
For realizing above-mentioned purpose of the present utility model, the starting mechanism of a kind of AC permanent-magnet draining pump of the present utility model, comprising: magnetic core; Rotor shaft, suit magnetic core on it, its one end is fixed with impeller; Start cover, be fixedly connected with one end away from impeller of described magnetic core, the inwall that starts cover is provided with one and starts muscle; Axle sleeve, is fixed on described rotor shaft and is placed in described startup cover, and the outer wall of axle sleeve is provided with a limit rib, wherein starts in the cavity between cover and axle sleeve and is mounted with shock reducing structure; Start between muscle and limit rib and there is anti-interference gap.
Wherein, between described startup muscle inwall and described limit rib outer wall, form described anti-interference gap.
Wherein, when forming described anti-interference gap between described startup muscle inwall and described limit rib outer wall, the cavity forming between described startup muscle and described limit rib is integrated fan-shaped chamber, and described shock reducing structure is positioned at described fan-shaped chamber.
Particularly, described startup muscle and described limit rib are quadrant.
Wherein, described shock reducing structure is quadrant, and the outer fan-shaped wall radius of shock reducing structure is greater than the inwall radius of described startup muscle, and the interior fan-shaped wall radius of shock reducing structure is less than described limit rib exterior radius.
Preferably, the distance between the tubular body outer wall of described axle sleeve and described startup muscle inwall is less than inside and outside fan-shaped wall radius poor of described shock reducing structure.
Particularly, the height of described startup muscle and described shock reducing structure is not more than the height of described limit rib.
Preferably, the described tubular body outer end of described axle sleeve is equipped with outwardly platform, and the bottom of described platform is connected with the top of described limit rib.
Preferably, described limit rib is located at the tubular body outer wall of described axle sleeve, and one-body molded with described tubular body, described platform.
Preferably, described startup muscle and described startup cover are one-body molded.
Particularly, described startup cover is made by plastic material.
Compared with prior art, the starting mechanism tool of AC permanent-magnet draining pump of the present utility model has the following advantages:
1) startup cover of the present utility model is made by nonmagnetic substance, reduce production costs, and be mounted with shock reducing structure between the startup muscle in startup cover and the limit rib of axle sleeve, start between muscle and limit rib and contact by shock reducing structure, so stress surface is large, starts muscle little to the impact force of limit rib, good damping effect, the operational noise of draining pump is little, makes startup more steady, the long service life of starting mechanism;
2) when magnetic core of the present utility model rotates, owing to starting the gap between the startup muscle of cover and the limit rib of axle sleeve with anti-interference, it is not interfered in start-up course, while therefore starting, zero load (referring to not to the limit rib carry-over moment) rotational travel that starts muscle has reached more than 270 °, the increase of the trip can make motor when being coupled to impeller, reach higher rotating speed, the starting torque now producing increases greatly, be conducive to starting mechanism and start vane rotary, start more steady, rotor assembly long service life;
3) startup cover, axle sleeve and the shock reducing structure of starting mechanism of the present utility model are placed in the one end away from impeller, can make magnetic core near impeller, stator iron core is also just near impeller, optimized the structure of the pump housing: on the one hand, because starting mechanism is not arranged in impeller, not only the length of the blade of impeller can increase, and the area that impeller is clapped water increases, increase starting torque, and be convenient to installation and the manufacture of impeller; On the other hand, because stator iron core is near impeller, make whole pump structure compact.
Below in conjunction with accompanying drawing, the utility model is elaborated.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model AC permanent-magnet draining pump;
Fig. 2 is the explosive view of the starting mechanism of AC permanent-magnet draining pump of the present utility model;
Fig. 3 is the sectional view of starting mechanism shown in Fig. 2;
Fig. 4 is magnetic core in the starting mechanism shown in Fig. 3 structural representation in idling conditions;
Fig. 5 is the structural representation of the starting mechanism shown in Fig. 3 in counterclockwise motion state.
Description of reference numerals: 1-pump cover; 2-impeller; The 4-pump housing; 7-stator coil; 8-stator iron core; 91-rotor shaft; 92-magnetic core; 93a-axle sleeve; 93a '-limit rib; 93a ' ' '-platform; 93b-starts cover; 93b '-startup muscle; 93c-shock reducing structure; 93d, 93d '-seal ring; 93e-bonnet; ; 93f-lubricates muscle.
Embodiment
As shown in Figure 1, AC permanent-magnet draining pump of the present utility model comprises: the pump housing 4; The pump cover 1 being connected with the pump housing 4; Be arranged on the impeller 2 in pump cover 1; Be placed in the stator module within the pump housing 4, there is stator coil 7 and stator iron core 8; And the starting mechanism rotating for drives impeller 2.
Wherein, as shown in Figure 2,3, starting mechanism comprises: magnetic core 92, in the receiving cavity that its indent circular arc part that is placed in stator iron core 8 surrounds; Rotor shaft 91, thereon, its one end is fixedly connected with the center of impeller 2 to magnetic core 92 suit, and its other end is placed in by bearing in the bearing support of rotator seat of the pump housing; Start cover 93b, be fixedly connected with one end away from impeller 2 of magnetic core 92, along with magnetic core 92 rotates simultaneously; Axle sleeve 93a, is fixedly mounted on rotor shaft 91 and is placed in to start and overlap in 93b, rotates with rotor shaft 91 simultaneously.Wherein, start cover 93b inwall and be provided with startup muscle 93b ', axle sleeve 93a outer wall is provided with limit rib 93a ', as shown in Figure 3, in the cavity starting between cover 93b and axle sleeve 93a, between startup muscle 93b ' and limit rib 93a ', be mounted with the shock reducing structure 93c along the circumferential direction arranging, start between muscle 93b ' and limit rib 93a ' and have anti-interference gap, shock reducing structure 93c can along the circumferential direction rotate under the promotion that starts muscle 93b '.
In addition, at magnetic core 92, away from one end of impeller 2, bonnet 93e is installed, between axle sleeve 93a and bonnet 93e, start between cover 93b and axle sleeve 93a and be mounted with respectively seal ring 93d, 93d ', and, on the inwall of shock reducing structure 93c ', be provided with a plurality of lubricated muscle 93f, can reduce shock reducing structure and axle sleeve outer wall and start the area of contact of overlapping inwall, thereby reduce frictional force.
When stator coil 7 is passed to Ac, the alternating magnetic field that stator coil 7 produces drives magnetic core 92 to rotate by stator iron core 8, start cover 93b rotates with it under the effect of magnetic core 92 simultaneously, the startup muscle 93b ' that starts cover 93b inwall can contact with the limit rib 93a ' of axle sleeve 93a outer wall, and rotate by limit rib 93a ' propeller shaft sleeve 93a, because axle sleeve 93a is fixedly connected with rotor shaft 91, therefore rotor shaft 91 rotates accordingly, and impeller 2 is fixed on one end of rotor shaft 91, therefore impeller 2 rotates along with the rotation of rotor shaft 91, thereby make AC permanent-magnet draining pump realize the function of draining.
Concrete, start cover 93b and be and take magnetic core 92 and be inserts, adopt the method for injection process plastic material to be fixed on to one end of magnetic core 92, starting cover 93b has for settling the holding cavity of axle sleeve 93a, the inwall that overlaps 93b in startup is provided with a startup muscle 93b ' who protrudes towards the axis direction that starts cover 93b, and this startup muscle 93b ' is quadrant.
Particularly, the exterior radius of limit rib 93a ' is slightly less than the inwall radius that starts muscle 93b ', therefore between the outer wall of limit rib 93a ' and the inwall of startup muscle 93b ', radially has certain gap, i.e. anti-interference gap.This gap makes limit rib 93a ' can relatively rotate and can not pile up with startup muscle 93b ', in rotation process, can mutually not interfere.
Between limit rib 93a ' and the opposing sidewalls of startup muscle 93b ', form two fan-shaped chambeies, shock reducing structure 93c is placed in one of them fan-shaped chamber.Shock reducing structure 93c is the sector structure similar to fan-shaped cavity shape, and it adopts plastic material to make, and as rubber, and is adding man-hour, and shock reducing structure 93c can adopt solid construction, also can adopt hollow-core construction.
Preferably, shock reducing structure 93c is that central angle is the quadrant of 90 °, and the centre of curvature of its inside and outside fan-shaped wall is all positioned on the axis of rotor shaft 91.The outer fan-shaped wall radius of shock reducing structure 93c is greater than the inwall radius that starts muscle 93b ', the interior fan-shaped wall radius of shock reducing structure 93c is less than the exterior radius of limit rib 93a ', thereby make the outer wall Spielpassung of the interior fan-shaped wall of shock reducing structure 93c and the tubular body of axle sleeve, the outer fan-shaped wall of shock reducing structure 93c forms Spielpassung with the inwall starting outside the startup muscle 93b ' of cover 93b, and two sidewalls of shock reducing structure 93c can be respectively with start two sidewalls of muscle 93b ' and two sidewalls of limit rib 93a ' contact.And shock reducing structure 93c freely rotates in described fan-shaped chamber.
Wherein, the tubular body outer wall of axle sleeve 93a and start ultimate range between muscle 93b ' inwall be less than shock reducing structure 93c in, outer fan-shaped wall radius poor, thereby make to start muscle 93b ' and limit rib 93a ' near time, shock reducing structure 93c is squeezed, and start muscle 93b ', can not collide with limit rib 93a ' itself, make axle sleeve 93a can not overlap 93b direct collision or friction with startup, thereby axle sleeve 93a and shock reducing structure 93c while having reduced the startup of AC permanent-magnet draining pump, beating noise between shock reducing structure 93c and startup cover 93b and magnetic core 92, while making the work of AC permanent-magnet draining pump, vibration is less, quieter.
When design, the height along rotor shaft 91 axial directions that starts muscle 93b ' and shock reducing structure 93c is not more than the height along axial direction of limit rib 93a ', and depart from described fan-shaped chamber for fear of shock reducing structure 93c, as shown in Figure 2, tubular body outer wall at axle sleeve 93a is equipped with outwardly platform, the bottom of platform is connected with the top of limit rib 93a ', thus by shock reducing structure 93c shutoff in described fan-shaped chamber.
During fabrication, the tubular body of axle sleeve 93a, platform and limit rib 93a ' the integrated structure for adopting the method for plastic material by injection process to obtain.And, start muscle 93b ' and start the also integrated structure for adopting the method for plastic material by injection process to obtain of cover 93b.
The working principle of starting mechanism of the present utility model is described below in conjunction with Fig. 3-5.
As shown in Figure 3, as limit rib 93a ' with when starting muscle 93b ' and along the circumferential direction mutually staggering, in the position shown in Fig. 3, between the limit rib 93a ' sidewall relative with starting muscle 93b ', form two fan-shaped chambeies, shock reducing structure 93c is positioned at a wherein fan-shaped chamber of upside, now, a sidewall of shock reducing structure 93c offsets with a sidewall that starts muscle 93b ', and a sidewall of another sidewall of shock reducing structure 93c and limit rib 93a ' offsets.
Now, stator coil 7 produces alternating magnetic field, alternating magnetic field drives magnetic core 92 to rotate around the axis clockwise direction of rotor shaft 91 by stator iron core 8, with magnetic core 92, the axis clockwise direction around rotor shaft 91 rotates the startup cover 93b fixing with magnetic core 92, start a sidewall contact of the startup muscle 93b ' on cover 93b and promote that shock reducing structure 93c rotates and against a sidewall of limit rib 93a ', owing to starting, stroke is too small, and the resistance of start is excessive and be not enough to promote axle sleeve and rotate by rotor shaft impeller.
Like this, magnetic core 92 is under magnetic fields, will be rotated counterclockwise, the startup cover 93b that drive is fixedly connected with it carries out anticlockwise rotation around the axis of rotor shaft 91, first arrive position as shown in Figure 4, owing to starting between muscle 93b ' and limit rib 93a ', there is anti-interference gap, therefore start muscle 93b ' rotation by limit rib 93a, and make to start another sidewall of muscle 93b ' and another sidewall contact of shock reducing structure 93c; When startup muscle 93b ' continues to rotate in the counterclockwise direction, startup muscle 93b ' promotion shock reducing structure 93c rotates in the counterclockwise direction around the axis of rotor shaft 91, until a sidewall of shock reducing structure 93c is against on another sidewall of limit rib 93a ' of axle sleeve 93a, as shown in Figure 5.
In the position shown in Fig. 5, when startup cover promotion shock reducing structure 93c continues counterclockwise to rotate thereupon, by shock reducing structure 93c, promoting limit rib 93a ' rotates, making axle sleeve 93a carry out counter clockwise direction rotates, axle sleeve 93a, by the rotor shaft 91 being fixedly connected with it, drives the impeller 2 that is fixed on rotor shaft 91 one end along counterclockwise rotating.
Preferably, when magnetic core 92 drives rotor shaft 91 of the present utility model are rotated, can the first unloaded maximum angle rotating it be 270 °.
Therefore, according to the process shown in Fig. 3-Fig. 5, start, make to start muscle 93b ' and by the position of Fig. 3, turned to the position of Fig. 5, rotational travel has reached 270 °, the increase of the trip can make motor when being coupled to impeller, reach higher rotating speed, the starting torque now producing increases greatly, is conducive to starting mechanism and starts vane rotary.
The starting mechanism with said structure, when magnetic core rotates, by starting muscle, promote shock reducing structure, by shock reducing structure, promote again the method for limit rib, propeller shaft sleeve rotates, thereby rotor shaft is rotated, and then impeller is rotated, make the starting torque of AC permanent-magnet draining pump of the present utility model large, start more steady; And seal ring can seal to the grease starting in cover, and be provided with a plurality of lubricated muscle at the inwall of shock reducing structure, avoid rotor assembly longevity of service make shock reducing structure lose lubricated and damage, so long service life; Shock reducing structure adopts sector structure, and it is stressed more well-balanced, therefore starts noise little.
Although above the utility model is explained in detail; but the utility model is not limited to this; those skilled in the art can modify according to principle of the present utility model; therefore, all various modifications of carrying out according to principle of the present utility model all should be understood to fall into protection domain of the present utility model.
Claims (10)
1. a starting mechanism for AC permanent-magnet draining pump, for drives impeller rotation, is characterized in that, comprising:
Magnetic core (92);
Rotor shaft (91), is rotatably set with magnetic core (92) on it, its one end is fixed with impeller (2);
Start cover (93b), be fixedly connected with one end away from impeller (2) of described magnetic core (92), the inwall that starts cover (93b) is provided with one and starts muscle (93b ');
Axle sleeve (93a), is fixed on described rotor shaft (91) and goes up and be placed in described startup cover (93b), and the outer wall of axle sleeve (93a) is provided with a limit rib (93a '), wherein
Start in the cavity between cover (93b) and axle sleeve (93a) and be mounted with shock reducing structure (93c);
Start between muscle (93b ') and limit rib (93a ') and there is anti-interference gap.
2. the starting mechanism of AC permanent-magnet draining pump according to claim 1, is characterized in that, between described startup muscle (93b ') inwall and described limit rib (93a ') outer wall, forms described anti-interference gap.
3. the starting mechanism of AC permanent-magnet draining pump according to claim 1, it is characterized in that, when forming described anti-interference gap between described startup muscle (93b ') inwall and described limit rib (93a ') outer wall, the cavity forming between described startup muscle (93b ') and described limit rib (93a ') is integrated fan-shaped chamber, and described shock reducing structure (93c) is positioned at described fan-shaped chamber.
4. the starting mechanism of AC permanent-magnet draining pump according to claim 1, it is characterized in that, described shock reducing structure (93c) is quadrant, and the outer fan-shaped wall radius of shock reducing structure (93c) is greater than the inwall radius of described startup muscle (93b '), the interior fan-shaped wall radius of shock reducing structure (93c) is less than described limit rib (93a ') exterior radius.
5. the starting mechanism of AC permanent-magnet draining pump according to claim 1, it is characterized in that, the distance between the tubular body outer wall of described axle sleeve (93a) and described startup muscle (93b ') inwall is less than inside and outside fan-shaped wall radius poor of described shock reducing structure (93c).
6. the starting mechanism of AC permanent-magnet draining pump according to claim 1, is characterized in that, the height of described startup muscle (93b ') and described shock reducing structure (93c) is not more than the height of described limit rib (93a ').
7. the magnetic core starting mechanism of AC permanent-magnet draining pump according to claim 1, is characterized in that, the tubular body outer end of described axle sleeve (93a) is equipped with outwardly platform, and the top of the bottom of described platform and described limit rib (93a ') is connected.
8. the magnetic core starting mechanism of AC permanent-magnet draining pump according to claim 7, is characterized in that, described limit rib (93a ') is located at the tubular body outer wall of described axle sleeve (93a), and one-body molded with described tubular body, described platform.
9. the starting mechanism of AC permanent-magnet draining pump according to claim 1, is characterized in that, and described startup muscle (93b ') one-body molded with described startup cover (93b).
10. the starting mechanism of AC permanent-magnet draining pump according to claim 1, is characterized in that, described startup cover (93b) is made by plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320567057.0U CN203500034U (en) | 2013-09-12 | 2013-09-12 | Actuating mechanism for alternating current and permanent magnet drainage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320567057.0U CN203500034U (en) | 2013-09-12 | 2013-09-12 | Actuating mechanism for alternating current and permanent magnet drainage pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203500034U true CN203500034U (en) | 2014-03-26 |
Family
ID=50331018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320567057.0U Expired - Lifetime CN203500034U (en) | 2013-09-12 | 2013-09-12 | Actuating mechanism for alternating current and permanent magnet drainage pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203500034U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104779738A (en) * | 2015-05-04 | 2015-07-15 | 宁波贞观电器有限公司 | Permanent magnet synchronous motor starting mechanism |
| CN107061304A (en) * | 2017-03-23 | 2017-08-18 | 江门市地尔汉宇电器股份有限公司 | Draining pump rotor startup mechanism, draining pump motor and draining pump |
| CN107465297A (en) * | 2016-06-02 | 2017-12-12 | 德昌电机(深圳)有限公司 | The electric equipment of drive component and the application drive component |
| CN109067032A (en) * | 2018-08-22 | 2018-12-21 | 广东赛普电器制造有限公司 | Rotor structure for permanent magnet motor |
-
2013
- 2013-09-12 CN CN201320567057.0U patent/CN203500034U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104779738A (en) * | 2015-05-04 | 2015-07-15 | 宁波贞观电器有限公司 | Permanent magnet synchronous motor starting mechanism |
| CN107465297A (en) * | 2016-06-02 | 2017-12-12 | 德昌电机(深圳)有限公司 | The electric equipment of drive component and the application drive component |
| CN107465297B (en) * | 2016-06-02 | 2020-09-01 | 德昌电机(深圳)有限公司 | Driving assembly and electric equipment applying same |
| CN107061304A (en) * | 2017-03-23 | 2017-08-18 | 江门市地尔汉宇电器股份有限公司 | Draining pump rotor startup mechanism, draining pump motor and draining pump |
| CN107061304B (en) * | 2017-03-23 | 2023-11-21 | 汉宇集团股份有限公司 | Drainage pump rotor starting mechanism, drainage pump motor and drainage pump |
| CN109067032A (en) * | 2018-08-22 | 2018-12-21 | 广东赛普电器制造有限公司 | Rotor structure for permanent magnet motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203500034U (en) | Actuating mechanism for alternating current and permanent magnet drainage pump | |
| CN105317678A (en) | External rotor rotary compressor | |
| CN104958046A (en) | Motor-built-in-type dust-collector rolling brush structure | |
| CN205207206U (en) | Miniature pump integral type magnetic drive pump based on axial motor drive | |
| CN203604215U (en) | Alternating-current permanent magnet drainage pump | |
| CN201877987U (en) | Brushless direct current motor for drum type washing machine | |
| CN104854349B (en) | AC permanent-magnet draining pump | |
| CN203734492U (en) | Rotor assembly of permanent magnet synchronous motor and AC permanent magnet drainage pump | |
| CN203297108U (en) | Motor magnetic drive pump | |
| CN206323228U (en) | A kind of micro direct current brushless motor | |
| CN203500035U (en) | Actuating mechanism for alternating current and permanent magnet drainage pump | |
| CN209344954U (en) | A kind of micro magnetic permanent synchronization motor with position limiting structure | |
| CN109347250B (en) | A kind of drive motor in oil field | |
| CN103256230B (en) | A kind of motor magnetic pump | |
| CN203071734U (en) | Starting mechanism and AC permanent magnet water drainage pump between rotor and working component of permanent magnet synchronous motor | |
| CN203867917U (en) | Motor for circulating pump of dish-washing machine and circulating pump of dish-washing machine | |
| CN207353978U (en) | A kind of balance block structure of automotive electronics cooling water pump motor | |
| CN203967941U (en) | For the drive motors of compressor and there is the compressor of this drive motors | |
| CN203451701U (en) | Spinning frame motor type spindle adopting extending magnetic suspension structure | |
| CN112234785A (en) | Birotor motor and air conditioning unit | |
| CN203962394U (en) | External rotor rotary compressor | |
| CN104989656B (en) | Without sealing circulating pump | |
| CN201318339Y (en) | Centrifugal draining pump | |
| CN204851667U (en) | No shaft seal circulating pump | |
| CN209057037U (en) | A kind of asynchronous machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 529040 No. 336 Qing Lan Road, hi tech Development Zone, Guangdong, Jiangmen Patentee after: HANYU GROUP Co.,Ltd. Address before: 529040 No. 336 Qing Lan Road, hi tech Development Zone, Guangdong, Jiangmen Patentee before: JANGMEN IDEAR HANYU ELECTRICAL JOINT-STOCK Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140326 |