CN213093942U - Stator core rubber coating structure - Google Patents
Stator core rubber coating structure Download PDFInfo
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- CN213093942U CN213093942U CN202021389357.0U CN202021389357U CN213093942U CN 213093942 U CN213093942 U CN 213093942U CN 202021389357 U CN202021389357 U CN 202021389357U CN 213093942 U CN213093942 U CN 213093942U
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- stator
- stator core
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Abstract
The utility model discloses a stator core rubber coating structure belongs to motor technical field, stator core and stator shell integrated into one piece, stator core inlays in the stator shell. Stator core's technical problem can not wrap up completely to stator shell among the prior art, the utility model provides a stator core rubber coating structure, it can protect enameled wire insulating layer not cut, has ensured winding coil's turn-to-turn insulation, improves the production yields to stator core's rust resisting property has been improved.
Description
Technical Field
The utility model relates to the technical field of electric machines, concretely relates to stator core rubber coating structure.
Background
Brushless dc water pump (brushlesdcpump) is a machine that uses dc to drive a brushless motor to rotate, and the brushless motor rotates to drive a impeller to rotate, so that the liquid pressure is increased to achieve the function of transferring liquid.
The insulation of the existing direct current brushless water pump stator mostly adopts a structure that an upper coil support and a lower coil support are buckled, and the upper coil support and the lower coil support are required to be installed on a stator iron core before winding. So, stator core still need install the shell and just can effective fixed and protection winding coil, and current shell adopts manual assembly usually, and the not hard up problem of shell easily appears in this kind of mode assembly, and the shell can not wrap up completely and live the stator, has the phenomenon of high-voltage leakage between enameled wire and the stator, and intensity of labour is big, and production efficiency is low, the mass production of being not convenient for.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
Stator core's technical problem can not wrap up completely to stator shell among the prior art, the utility model provides a stator core rubber coating structure, it can protect enameled wire insulating layer not cut, has ensured winding coil's turn-to-turn insulation, improves the production yields to stator core's rust resisting property has been improved.
2. Technical scheme
In order to solve the above problem, the utility model provides a technical scheme does:
a stator core rubber coating structure, stator core and stator shell integrated into one piece, stator core inlays in the stator shell.
Optionally, the stator core includes a stator ring and a plurality of stator teeth fixedly connected to an inner wall of the stator ring.
Optionally, the stator housing includes a first housing wrapped around the stator ring and a second housing wrapped around the stator teeth, and a gap is formed between adjacent second housings for the cable to be wound around the second housings.
Optionally, the stator housing is provided with a plurality of claws for fixing the circuit board.
Optionally, the number of the jaws is three, and the jaws are uniformly distributed along the circumferential direction of the stator housing.
Optionally, the outer wall of the stator housing is provided with a plurality of connecting portions, and the connecting portions are provided with connecting grooves in a penetrating manner.
Optionally, the stator housing is made of plastic.
Optionally, a sealing groove for installing a sealing element is formed in the stator housing.
Optionally, the stator teeth include stator rib plates and stator cross plates fixedly connected to end portions of the stator rib plates, an arc surface is arranged on one side, away from the stator rib plates, of the stator cross plates, and circle centers of the arc surfaces of the plurality of stator rib plates are overlapped.
Optionally, transition parts are arranged at the joint of the stator rib plates and the stator ring and the joint of the stator rib plates and the stator transverse plate,
3. advantageous effects
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
(1) the stator core is wrapped in the stator shell in an injection molding mode, so that an insulating layer of the enameled wire is protected from being cut, turn-to-turn insulation of a winding coil is ensured, the production yield is improved, and the antirust performance of the stator core is improved;
(2) compared with a manual assembly mode, the stator shell is simple in structure, few in material parts, convenient to realize automatic production, low in manufacturing cost, low in labor intensity, labor-saving, high in production efficiency and low in labor cost;
(3) the connection strength between the stator core and the stator shell is high after the stator core is formed, and the stator core is stably arranged in the stator shell;
drawings
Fig. 1 is a schematic structural diagram of a stator casing in the present invention;
fig. 2 is a schematic structural diagram of a stator core in the present invention;
1. a stator core; 11. a stator ring; 12. stator teeth; 121. a stator rib plate; a. a circular arc surface; 122. a stator transverse plate; 123. a transition section; 2. a stator housing; 21. a first housing; 22. a second housing; 24. a claw; 25. a connecting portion; 26. connecting grooves; 27. sealing the groove.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings 1 and 2.
With reference to fig. 1 and 2, the stator core encapsulation structure of this embodiment includes stator core 1 and stator housing 2, and is characterized in that: stator core 1 and stator housing 2 integrated into one piece, stator core 1 inlays in stator housing 2.
In the present embodiment, the stator core 1 and the stator housing 2 are integrally formed by injection molding.
The utility model discloses an assembly method: the stator core 1 and the stator housing 2 are combined into a whole by placing the stator core 1 into an injection mold in advance and then injection molding the stator housing 2 on the outer surface of the stator core 1.
The stator core 1 is wrapped in the stator shell 2 in an injection molding mode, so that an enameled wire insulating layer is protected from being cut, turn-to-turn insulation of a winding coil is ensured, the production yield is improved, and the antirust performance of the stator core 1 is improved; compare manual assembly's mode, adopt integrated into one piece's mode, optimized stator housing 2's structure, stator housing 2 simple structure, material spare are few, are convenient for realize automated production, have reduced manufacturing cost, have reduced intensity of labour simultaneously, have practiced thrift the labour, have improved production efficiency, have reduced the cost of labor, and joint strength between shaping back stator core 1 and the stator housing 2 is high, and stator core 1 installs comparatively firmly in stator housing 2.
As a preferred embodiment of the present invention, the stator core 1 includes a stator ring 11 and a plurality of stator teeth 12 fixedly connected to an inner wall of the stator ring 11.
As a preferred embodiment of the present invention, the stator housing 2 includes a first housing 21 wrapped outside the stator ring 11 and a second housing 22 wrapped outside the stator teeth 12, and a gap is formed between adjacent second housings 22 for the cable to be wound on the second housing 22; first casing 21 and second casing 22 wrap up stator ring 11 and stator tooth 12 of stator core 1 respectively to set up stator core 1 to insulate, thereby can improve stator core 1's insulating properties, make stator core 1 have better uniformity, be convenient for carry out batch production to stator core 1's insulation system, reduce the labour, thereby be convenient for improve the machining efficiency to the stator.
As a preferred scheme of the present invention, a plurality of claws 24 for fixing the circuit board are arranged on the stator housing 2; the circuit board and the stator shell 2 can be assembled and fixed through the clamping claws 24, so that the circuit board is more convenient and efficient to mount.
As a preferred scheme of the present invention, the number of the claws 24 is three, and the claws are uniformly distributed along the circumferential direction of the stator housing 2; after the circuit board is fixed by the three claws 24, the circuit board can be fixed and the circle center of the circuit board can be positioned, so that the circuit board is prevented from sliding horizontally relative to the stator housing 2 after being mounted on the stator housing 2.
As a preferred scheme of the present invention, the outer wall of the stator housing 2 is provided with a plurality of connecting portions 25, and the connecting portions 25 are provided with connecting grooves 26 in a penetrating manner; stator housing 2 passes spread groove 26 when installing on the motor accessible fastener and realizes fixing, and in this embodiment, the fastener is the screw, and spread groove 26 is the through-hole or the screw that can supply the screw to pass, is equipped with the screw with screw matched with on the motor housing.
As a preferred scheme of the utility model, the stator housing 2 is made of plastic; the plastic material has good insulating effect, has better parcel nature to stator core 1 during injection moulding, avoids having great clearance between stator core 1 and the stator housing 2 after the shaping.
As a preferred scheme of the present invention, a sealing groove 27 for installing a sealing member is provided on the stator housing 2; in this embodiment, the sealing groove 27 is provided on the side where the stator housing 2 is connected to the motor, and when the stator housing 2 and the motor are assembled, a sealing member may be installed in the sealing groove 27 to improve the sealing performance between the stator housing 2 and the motor, so that the motor has a better waterproof performance when used in a brushless dc water pump.
As a preferred scheme of the present invention, the stator teeth 12 include stator ribs 121 and stator transverse plates 122 fixedly connected to end portions of the stator ribs 121, one side of the stator transverse plate 122 away from the stator ribs 121 is provided with arc surfaces a, and circle centers of the arc surfaces a of the stator ribs 121 coincide; the rotor can rotate in a circular cavity formed by surrounding a plurality of stator ribbed plates 121, and an air gap is formed between the outer side of the rotor and the circular arc surface a of the stator ribbed plate 121 at intervals to ensure that a complete magnetic circuit is formed.
As a preferred embodiment of the present invention, the connecting portion of the stator rib 121 and the stator ring 11 and the connecting portion of the stator rib 121 and the stator transverse plate 122 are both provided with a transition portion 123; the transition portion 123 can reduce stress concentration at the connection position of the stator ribs 121 and the stator ring 11 and the stator ribs 121 and the stator cross plate 122, thereby facilitating the reinforcement of the connection strength of the stator ribs 121 and the stator ring 11
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a stator core rubber coating structure, includes stator core and stator shell, its characterized in that: the stator core and the stator shell are integrally formed, and the stator core is embedded in the stator shell; the stator core comprises a stator ring and a plurality of stator teeth fixedly connected to the inner wall of the stator ring; the stator shell comprises a first shell body wrapped outside the stator ring and a second shell body wrapped outside the stator teeth, and a gap for a cable to be wound on the second shell body is formed between every two adjacent second shell bodies.
2. The stator core encapsulated structure of claim 1, wherein: and a plurality of clamping claws for fixing the circuit board are arranged on the stator shell.
3. The stator core encapsulated structure of claim 2, wherein: the number of jack catchs is three, and along stator housing's circumferencial direction evenly distributed.
4. The stator core encapsulated structure of claim 1, wherein: the stator is characterized in that a plurality of connecting parts are arranged on the outer wall of the stator shell, and connecting grooves are formed in the connecting parts in a penetrating mode.
5. The stator core encapsulated structure of claim 1, wherein: the stator shell is made of plastic.
6. The stator core encapsulated structure of claim 1, wherein: and a sealing groove for mounting a sealing element is arranged on the stator shell.
7. The stator core encapsulated structure of claim 1, wherein: the stator teeth comprise stator rib plates and stator transverse plates fixedly connected to the end portions of the stator rib plates, arc surfaces are arranged on one sides, far away from the stator rib plates, of the stator transverse plates, and the circle centers of the arc surfaces of the stator rib plates are overlapped.
8. The stator core encapsulated structure of claim 7, wherein: and transition parts are arranged at the joint of the stator rib plate and the stator ring and the joint of the stator rib plate and the stator transverse plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021389357.0U CN213093942U (en) | 2020-07-15 | 2020-07-15 | Stator core rubber coating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021389357.0U CN213093942U (en) | 2020-07-15 | 2020-07-15 | Stator core rubber coating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213093942U true CN213093942U (en) | 2021-04-30 |
Family
ID=75624436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021389357.0U Active CN213093942U (en) | 2020-07-15 | 2020-07-15 | Stator core rubber coating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213093942U (en) |
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2020
- 2020-07-15 CN CN202021389357.0U patent/CN213093942U/en active Active
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