CN203504339U - Water pump motor - Google Patents
Water pump motor Download PDFInfo
- Publication number
- CN203504339U CN203504339U CN201320676753.5U CN201320676753U CN203504339U CN 203504339 U CN203504339 U CN 203504339U CN 201320676753 U CN201320676753 U CN 201320676753U CN 203504339 U CN203504339 U CN 203504339U
- Authority
- CN
- China
- Prior art keywords
- water
- waterproof
- pump motor
- proof mechanism
- rotating shaft
- 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 - Fee Related
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- Rotary Pumps (AREA)
- Motor Or Generator Frames (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a water pump motor, particularly, a waterproof water pump motor. The waterproof water pump motor includes an end cover and a rotating shaft, wherein the end cover is sleeved on the rotating shaft; the external side of the end cover is provided with a round stage-shaped waterproof mechanism; the waterproof mechanism is sleeved on the rotating shaft; four through holes are evenly and circumferentially formed at the bottom end of the waterproof mechanism; four blind holes are formed at positions on the external side of the end cover which are corresponding to the through holes; the waterproof mechanism is fixedly connected with the blind holes at the external side of the end cover by screws through the through holes; an annular groove is formed in the external wall of the waterproof mechanism; the central axis of the annular groove is overlapped with the central axis of the waterproof mechanism; an annular sealing groove is formed in the inner wall of the top end of the waterproof mechanism; and a sealing ring is arranged inside the sealing groove. Through adopting the above structural design, the waterproof performance of the water pump motor can be greatly improved, and therefore, external water can be effectively prevented from leaking into an accommodating cavity of a rotor and a stator, and a waterproof sealing effect can be better, and reliability and security can be also significantly improved.
Description
Technical field
The utility model relates to a kind of pump motor, relates in particular to a kind of pump motor of waterproof.
Background technology
For the water pump being operated in humidity or outdoor environment, moisture can be from electric motor end cap joint place etc. penetrates into motor internal, causes motor internal watered and wetting, causes motor short circuit to burn.This not only affects the normal work of water pump, and causes serious potential safety hazard.Conventional pump motor water-tight device is mainly, in rotating shaft place, one deck sealing ring is set, although simple installation, waterproof effect is not ideal, and the water capacity is easily penetrated in motor cavity volume from the periphery of rotating shaft.Therefore, this just need to design a kind of pump motor with good water resistance.
Utility model content
Technical problem to be solved in the utility model is to overcome the problems referred to above, and a kind of pump motor of waterproof is provided.
The technical solution of the utility model is:
A pump motor, comprises end cap, rotating shaft, and end cap is set in rotating shaft, it is characterized in that: described end cap outside is provided with a round table-like proof mechanism of water; Described proof mechanism of water is set in rotating shaft, and proof mechanism of water bottom is prolonged even circumferential and had four through holes, and end cap outside and the corresponding position of through hole have four blind holes, and proof mechanism of water is fixedly connected with the blind hole in end cap outside by screw by through hole; Described proof mechanism of water outer wall has an annular groove, the central axis of described annular groove and the central axes of proof mechanism of water; Described proof mechanism of water top inwall has an annular seal groove, is provided with a sealing ring in described seal groove.
The beneficial effects of the utility model are: the utility model pump motor is taked to have increased a proof mechanism of water in end cap outside in design process.When pump motor is during in moist environment, current enter annular groove along proof mechanism of water surface, thereby leave the top layer of proof mechanism of water, and can directly not enter the axis hole being connected with rotating shaft.Even if minority current are not discharged along annular groove in time, also can cannot enter motor internal because of the stopping of sealing ring on proof mechanism of water top.Such structure will increase the water resistance of pump motor dramatically, effectively prevents that the water of outside from leaking in the cavity volume of rotor and stator, makes waterproof sealing effect better, and reliability and fail safe significantly improve.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model pump motor.
Fig. 2 is the structural representation of the proof mechanism of water of the utility model pump motor.
Embodiment
Now by reference to the accompanying drawings the utility model is further described:
As shown in Figure 1 and Figure 2, the utility model is a kind of pump motor with good water resistance, and it comprises end cap 2, rotating shaft 1, and end cap 2 is set in rotating shaft 1.End cap 2 outsides are provided with a round table-like proof mechanism of water 3, and this proof mechanism of water 3 is set in rotating shaft 1, and proof mechanism of water 3 bottoms are prolonged even circumferential and had four through holes 5.End cap 2 outsides have four blind holes on the position corresponding with through hole 5, and proof mechanism of water 3 is fixed and is connected with the blind hole in end cap 2 outsides by screw by through hole 5.The outer wall of this proof mechanism of water 3 has annular groove 4, the central axes of the central axis of this annular groove 4 and proof mechanism of water 3, and annular groove 4 is mainly to play guiding to drop in the effect of the current on proof mechanism of water 3 top layers.When pump motor is during in moist environment, current enter annular groove 4 along the truncated cone-shaped outer surface of proof mechanism of water 3, along annular groove 4, leave gradually the top layer of proof mechanism of water 3, and can directly not enter the axis hole being connected with rotating shaft 1.The inwall on these proof mechanism of water 3 tops has an annular seal groove 6 simultaneously, in seal groove 6, is provided with sealing ring, even if minority current are not discharged along annular groove 4 in time, also can cannot enter motor internal because of the stopping of sealing ring on proof mechanism of water 3 tops.
Claims (1)
1. a pump motor, comprises end cap, rotating shaft, and end cap is set in rotating shaft, it is characterized in that: described end cap outside is provided with a round table-like proof mechanism of water; Described proof mechanism of water is set in rotating shaft, and proof mechanism of water bottom is prolonged even circumferential and had four through holes, and end cap outside and the corresponding position of through hole have four blind holes, and proof mechanism of water is fixedly connected with the blind hole in end cap outside by screw by through hole; Described proof mechanism of water outer wall has an annular groove, the central axis of described annular groove and the central axes of proof mechanism of water; Described proof mechanism of water top inwall has an annular seal groove, is provided with a sealing ring in described seal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320676753.5U CN203504339U (en) | 2013-10-21 | 2013-10-21 | Water pump motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320676753.5U CN203504339U (en) | 2013-10-21 | 2013-10-21 | Water pump motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203504339U true CN203504339U (en) | 2014-03-26 |
Family
ID=50335283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320676753.5U Expired - Fee Related CN203504339U (en) | 2013-10-21 | 2013-10-21 | Water pump motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203504339U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105105862A (en) * | 2015-09-15 | 2015-12-02 | 深圳市同洁科技有限公司 | Waterproof electric toothbrush |
-
2013
- 2013-10-21 CN CN201320676753.5U patent/CN203504339U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105105862A (en) * | 2015-09-15 | 2015-12-02 | 深圳市同洁科技有限公司 | Waterproof electric toothbrush |
| CN105105862B (en) * | 2015-09-15 | 2017-01-04 | 深圳市同洁科技有限公司 | A kind of water-proof electric toothbrush |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20141021 |
|
| EXPY | Termination of patent right or utility model |