CN206830493U - Brushless direct-current draining pump - Google Patents
Brushless direct-current draining pump Download PDFInfo
- Publication number
- CN206830493U CN206830493U CN201720365902.4U CN201720365902U CN206830493U CN 206830493 U CN206830493 U CN 206830493U CN 201720365902 U CN201720365902 U CN 201720365902U CN 206830493 U CN206830493 U CN 206830493U
- Authority
- CN
- China
- Prior art keywords
- pump housing
- stator
- brushless direct
- stator module
- current draining
- 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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Abstract
The utility model provides a kind of brushless direct-current draining pump, including：The pump housing, exocoel is provided with it, and outer intracavitary is provided with projection, inner chamber is provided with projection；Stator module, it is located at outer intracavitary and is sheathed on projection；Rotor assembly, it is located at interior intracavitary and can be rotated in it；End cap, it is connected with one end of pump housing relative rotor component, and fluid chamber is provided with end cap, and end cap is provided with the water inlet and delivery port connected respectively with fluid chamber；Vane wheel, it is connected and is located in fluid chamber with rotor assembly；Wherein, the outer intracavitary of the pump housing is provided with location structure, and stator module is provided with the depressed part coordinated with location structure, fixes stator module by the cooperation of depressed part and location structure and is limited in the pump housing.Brushless direct-current draining pump of the present utility model, it can realize that the fixation of stator is spacing, be unlikely to the situation for Arbitrary Rotation occur, it is ensured that the performance of water pump.
Description
【Technical field】
It the utility model is related to a kind of water pump, more particularly to a kind of brushless direct-current draining pump.
【Background technology】
Brushless direct-current water pump, using the principle of permanent-magnet brushless DC electric machine, impeller is added on its rotor, in shell mechanism
On the cavity that is designed to make liquid make centrifugal motion form, because there is no carbon brush, so spark will not be produced；Efficiency high, low-power consumption,
It is lower than brush motor long lifespan, noise.
But the stator structure fixed form in the pump housing of brushless direct-current water pump of the prior art is more complicated, pass through a modeling
The cooperation of materials and parts and stator and the encapsulated epoxy resin glue between circuit board and stator, although being inoculated with fluid sealant, stator is difficult
Exempt from the situation that rotation occurs, influence the performance of water pump.
【Utility model content】
Rotations occurs to solve stator of the prior art, the problem of influenceing pump performance, the utility model offer one
Kind brushless direct-current draining pump, it can effectively solve the problems, such as stator rotation, realize that the fixation of stator is spacing.
The utility model is to solve technical scheme used by its technical problem：
Brushless direct-current draining pump, including：
One pump housing, exocoel is provided with it, and the outer intracavitary is provided with projection, inner chamber is provided with the projection；
Stator module, it is located at the outer intracavitary and is sheathed on the projection；
Rotor assembly, it is located at the interior intracavitary and can be rotated in it；
One end cap, one end connection of its rotor assembly relative with the pump housing, the end cap is interior to be provided with fluid chamber, holds
Cover provided with the water inlet and delivery port connected respectively with the fluid chamber；
One Vane wheel, it is connected and is located in the fluid chamber with the rotor assembly；
Wherein, the outer intracavitary of the pump housing is provided with location structure, and the stator module is provided with to be coordinated with the location structure
Depressed part, stator module is fixed by the cooperation of depressed part and location structure and is limited in the pump housing.
The location structure is the convex tendon extended located at the exocoel side wall and along pump housing length direction, and the depressed part is
It is opened in the groove at stator module edge.
The convex tendon is provided with least two, and two convex tendons are oppositely arranged.
The projection is provided with an annular step, and one end of the stator module contacts against with the annular step
It is fixed on annular step.
The stator module includes a stator, and the middle part of the stator is provided with axis hole, is located at the axis hole in the stator
Outside is provided with some winding bore annular in shape for being distributed and running through stator.
The stator module also includes the circuit board being fixedly arranged on by a support on stator, and the circuit board is located at described outer
Intracavitary.
The rotor assembly includes armature spindle, and the armature spindle is provided with the magnet rotated with armature spindle, the Vane wheel
It is connected with the one end of the magnet away from stator module.
The Vane wheel includes the connecting portion being connected with the magnet, and the side wall of the connecting portion is provided with some be spaced apart
Flabellum.
The end face of the relatively described fluid chamber of the pump housing is provided with annular groove, and the sealing pump housing is provided with to prevent in the annular groove
The sealing ring that liquid is spilt from the connection end of the pump housing and end cap.
The one end of the pump housing away from end cap is provided with and is connected with the pump housing to protect the bottom of the stator module.
Compared with prior art, the beneficial effects of the utility model are, are provided with detent mechanism in the pump housing, on stator module
Provided with depressed part, stator module can be fixed and be limited in the pump housing by the cooperation of depressed part and location structure, realize stator
Orientation, is unlikely to the situation for Arbitrary Rotation occur, it is ensured that the performance of water pump, there is service life to grow, operating noise is low
Advantage.
【Brief description of the drawings】
Fig. 1 is the structural representation of the brushless direct-current draining pump of the utility model embodiment；
Fig. 2 is the decomposing schematic representation one of the brushless direct-current draining pump of the utility model embodiment；
Fig. 3 is the decomposing schematic representation two of the brushless direct-current draining pump of the utility model embodiment；
Fig. 4 be Fig. 1 along A-A to profile.
【Embodiment】
The utility model is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.
Accompanying drawing 1 be refer to accompanying drawing 4, a kind of brushless direct-current draining pump, including the pump housing 1, stator module 2, rotor assembly 3,
End cap 4, Vane wheel 5 and bottom 7.
Wherein, exocoel 11 is provided with the pump housing 1, projection 13 is provided with the exocoel 11, inner chamber is provided with the projection
12；The stator module 2 is in the exocoel 11 and is sheathed on the projection 13.Specifically, the stator module 2 includes
Stator 21 and the circuit board 22 being connected with stator, the middle part of the stator 21 are provided with axis hole 211, are located in the stator 21 described
The outside of axis hole 211 is provided with some winding bore 212 annular in shape for being distributed and running through stator.The winding bore is to be connected with the axis hole
For the scallop hole of coil winding, the circuit board 22 is fixedly arranged on stator 21 by a support, and the circuit board is located at described outer
Embedding has epoxide-resin glue in chamber 11 and between circuit board 22 and exocoel and stator.Stator and circuit board section use epoxy resin
Embedding is simultaneously completely isolated with rotor, solves water pump leakage problems caused by diving for a long time, can install under water and completely anti-
Water.
The rotor assembly 3 includes armature spindle 31, and the armature spindle is provided with the rotor core 32 rotated with armature spindle, turns
Sub- iron core is magnet 32.Armature spindle is made up of high-performance abrasion-proof ceramic shaft, and armature spindle is provided with Ceramic shaft sleeve, and axle sleeve passes through injection
It is linked to be entirety with magnet also to avoid to wear, the life-span greatly enhances, and has the advantages of precision is high, and shock resistance is good.
The end cap 4 is connected with one end of the relatively described rotor assembly 3 of the pump housing 1, and fluid chamber is provided with the end cap 4
41, end cap is provided with the water inlet 42 and delivery port 43 connected respectively with the fluid chamber 41.It is cased with preventing water outlet on delivery port
The flexible glue sealing sleeve pipe of mouth leak.
The Vane wheel 5 is connected with the rotor assembly 3 and in the fluid chamber 41, and Vane wheel is by rotating liquid
Body is sucked in fluid chamber 41 at water inlet 42 and discharged by delivery port 43, the mesh for reaching conveying liquid or being pressurized liquid
's.Specifically, the Vane wheel 5 includes the connecting portion 51 being connected with the magnet 32, and the connecting portion 51 is covered on magnet 32
Remote circuit board 22 one end, the side wall of the connecting portion 51 is provided with some flabellums 52 being spaced apart.
The end face of the relatively described fluid chamber 41 of the pump housing 1 is provided with annular groove 10, and canned pump is provided with the annular groove 10
Body 1 is to prevent sealing ring 6 that liquid is spilt from the connection end of the pump housing 1 and end cap 4.Specifically, the sealing ring seals for flexible glue
Ring, play a part of sealing the pump housing.
The bottom 7 is located at the described one end of the pump housing 1 away from end cap 4 and is connected with the pump housing to protect the stator module 2.
Location structure 111 is provided with the pump housing exocoel 11, the stator 21 is provided with what is coordinated with the location structure
Depressed part 20, stator is fixed by the cooperation of depressed part and location structure 111 and is limited in the pump housing 1.The location structure 111
For the convex tendon extended located at the exocoel side wall and along pump housing length direction, the depressed part 20 is to be opened in stator rim 2
Groove.The convex tendon 111 is provided with least two, and two convex tendons are oppositely arranged.When it is implemented, convex tendon is settable 4, divide equally
It is distributed in the opposite flank of exocoel side wall.
The present embodiment, stator module can be fixed and be limited in the pump housing by the cooperation of depressed part and location structure, realized
The orientation of stator, it is unlikely to the situation for Arbitrary Rotation occur, it is ensured that the performance of water pump, there is service life length, work is made an uproar
The advantages of sound is low.
Spacing to further fixing for stator to realize, the projection 13 is provided with an annular step 131, the stator
21 one end contacts against with the annular step 131 to be fixed on annular step.
The brushless direct-current draining pump also includes being used for the fixed seat for fixing the pump housing, the fixed seat on the pump housing
Upper end be provided with and be used to be socketed in sets of holes on the pump housing.Fixed seat uses damping silica gel sheath, can improve water pump shock resistance, reduce
Friction and the noise of operating.
Preferred embodiment of the present utility model is the foregoing is only, is not used for limiting the scope of the utility model implementation,
Other all its principle and basic structure are identical or approximate with the utility model, within the scope of protection of the utility model.
Claims (10)
1. brushless direct-current draining pump, it is characterised in that：Including：
One pump housing (1), exocoel (11) is provided with it, and the outer intracavitary is provided with projection (13), inner chamber (12) are provided with the projection；
Stator module (2), it is in the exocoel (11) and is sheathed on the projection (13)；
Rotor assembly (3), it is in the inner chamber (12) and can be rotated in it；
One end cap (4), it is connected with one end of the relatively described rotor assembly (3) of the pump housing (1), is provided with the end cap and holds liquid
Chamber (41), end cap are provided with the water inlet (42) and delivery port (43) connected respectively with the fluid chamber；
One Vane wheel (5), it is connected with the rotor assembly (3) and in the fluid chamber (41)；
Wherein, location structure (111) is provided with the pump housing exocoel (11), the stator module (2) is provided with and the positioning
The depressed part (20) that structure (111) coordinates, stator module (2) is fixed by the cooperation of depressed part and location structure (111) and limited
In the pump housing.
2. brushless direct-current draining pump according to claim 1, it is characterised in that：The location structure (111) is located at institute
Exocoel (11) side wall and the convex tendon extended along the pump housing (1) length direction are stated, the depressed part (20) is to be opened in stator module (2)
The groove at edge.
3. brushless direct-current draining pump according to claim 2, it is characterised in that：The convex tendon (111) is provided with least two,
And two convex tendons are oppositely arranged.
4. brushless direct-current draining pump according to claim 1, it is characterised in that：The projection (13) is provided with an annular table
Rank portion (131), one end and the annular step (131) of the stator module (2), which contact against, is fixed on annular step
On.
5. brushless direct-current draining pump according to claim 1, it is characterised in that：The stator module (2) includes a stator
(21), the middle part of the stator is provided with axis hole (211), is provided with the stator (21) on the outside of the axis hole (211) some
It is annular in shape to be distributed and through the winding bore (212) of stator.
6. brushless direct-current draining pump according to claim 5, it is characterised in that：The stator module (2) also includes passing through
One support is fixedly arranged on the circuit board (22) on stator (21), and the circuit board is in the exocoel (11).
7. brushless direct-current draining pump according to claim 1, it is characterised in that：The rotor assembly (3) includes armature spindle
(31), the armature spindle is provided with the magnet (32) rotated with armature spindle, and the Vane wheel (5) is with the magnet (32) away from fixed
One end connection of sub-component (2).
8. brushless direct-current draining pump according to claim 7, it is characterised in that：The Vane wheel (5) includes and the magnetic
The connecting portion (51) of body (32) connection, the side wall of the connecting portion are provided with some flabellums (52) being spaced apart.
9. brushless direct-current draining pump according to claim 1, it is characterised in that：The relatively described fluid chamber of the pump housing (1)
(41) end face is provided with annular groove (10), and the sealing pump housing (1) is provided with to prevent liquid from the pump housing and end cap (4) in the annular groove
The sealing ring (6) that spills of connection end.
10. brushless direct-current draining pump according to claim 1, it is characterised in that：The remote end cap (4) of the pump housing (1)
One end is provided with and is connected with the pump housing to protect the bottom of the stator module (2) (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720365902.4U CN206830493U (en) | 2017-04-08 | 2017-04-08 | Brushless direct-current draining pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720365902.4U CN206830493U (en) | 2017-04-08 | 2017-04-08 | Brushless direct-current draining pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206830493U true CN206830493U (en) | 2018-01-02 |
Family
ID=60767013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720365902.4U Expired - Fee Related CN206830493U (en) | 2017-04-08 | 2017-04-08 | Brushless direct-current draining pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206830493U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109717811A (en) * | 2019-01-10 | 2019-05-07 | 佛山市顺德区美的洗涤电器制造有限公司 | The draining pump of washing facility and washing facility with it |
-
2017
- 2017-04-08 CN CN201720365902.4U patent/CN206830493U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109717811A (en) * | 2019-01-10 | 2019-05-07 | 佛山市顺德区美的洗涤电器制造有限公司 | The draining pump of washing facility and washing facility with it |
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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: 20180102 Termination date: 20200408 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |