阅读说明：本技术 一种射包定子与pcba板卡扣连接结构 (Penetrate package stator and PCBA integrated circuit board and detain connection structure ) 是由 周效刚 于 2021-07-13 设计创作，主要内容包括：本发明涉及一种射包定子与PCBA板卡扣连接结构,包括射包定子、位于射包定子底部的PCBA板,射包定子包括绝缘中心架、位于绝缘中心架内的若干矽钢片,绝缘中心架上设有中心套、位于中心套外部间隔设置的焊接柱,中心套底部设有向中心套底部凸出的卡扣,PCBA板上设有对应中心套设置的第一中心孔、对应焊接柱焊接固定的焊接孔,第一中心孔上设有若干对应卡扣设置的第一凹口,第一凹口内壁与卡扣外壁或外侧壁形状配合,射包定子的绝缘中心支架与矽钢片结合稳定、射包定子与PCBA板的结合力通过焊接点来固定,同时增加了卡扣与PCBA板相结合,进一步加强结合力,避免脱落风险、利于增加风扇射包定子与PCBA板组合结构稳定性和寿命。(The invention relates to a buckling connection structure of a shooting package stator and a PCBA (printed Circuit Board Assembly) plate, which comprises the shooting package stator and the PCBA plate positioned at the bottom of the shooting package stator, wherein the shooting package stator comprises an insulating center frame and a plurality of silicon steel sheets positioned in the insulating center frame, a center sleeve and welding columns positioned outside the center sleeve at intervals are arranged on the insulating center frame, buckles protruding towards the bottom of the center sleeve are arranged at the bottom of the center sleeve, a first center hole and welding holes are arranged on the PCBA plate and correspond to the center sleeve, the welding holes are welded and fixed with the welding columns, a plurality of first notches corresponding to the buckles are arranged on the first center hole, the inner wall of each first notch is matched with the outer wall or the outer side wall of the buckle in shape, the insulating center support of the shooting package stator is stably combined with the silicon steel sheets, the combination force of the shooting package stator and the PCBA plate is fixed through welding points, meanwhile, the combination of the buckle and the PCBA plate is increased, the combination force is further strengthened, and the falling risk is avoided, The stability and the service life of the combined structure of the fan ejection package stator and the PCBA plate are favorably improved.)

1. A buckle connecting structure of a shooting package stator and a PCBA plate comprises a shooting package stator (1) and the PCBA plate (2) positioned at the bottom of the shooting package stator (1), wherein the shooting package stator (1) comprises an insulating center frame (11) and a plurality of silicon steel sheets (12) positioned in the insulating center frame (11), and is characterized in that a center sleeve (3) and welding columns (4) positioned outside the center sleeve (3) are arranged on the insulating center frame (11), a plurality of buckles (5) arranged at intervals around the center sleeve (3) and protruding towards the bottom of the center sleeve (3) are arranged at the bottom of the center sleeve (3), a first center hole (10) corresponding to the center sleeve (3) and a welding hole (13) corresponding to the welding columns (4) in a welding and fixing mode are arranged on the PCBA plate (2), a plurality of first notches (14) corresponding to the buckles (5) are arranged on the first center hole (10), the inner wall of the first notch (14) is matched with the outer wall or the outer side wall of the buckle (5) in shape.

2. The shooting pot stator and PCBA board buckling connection structure as claimed in claim 1, wherein said insulating central frame (11) comprises an upper plate (111) and a lower plate (112) connected with the outer wall of the central sleeve (3), said upper plate (111) and lower plate (112) are respectively provided with a plurality of wing plates (6) arranged around the central sleeve (3) at intervals, and a side plate (7) vertically connected with the upper plate (111) and lower plate (112) is arranged between adjacent wing plates (6) of the upper plate (111) and lower plate (112).

3. The buckling connection structure of the shooting ladle stator and the PCBA plate as claimed in claim 2, wherein the wing plates (6) are of T-shaped structures with arc-shaped end faces, first through holes (21) arranged close to the central sleeve (3) are formed in the wing plates (6), and the side plates (7) are of V-shaped or C-shaped structures.

4. A shooting pot stator and PCBA plate snap connection structure as claimed in claim 2, characterised in that the top of the wing (6) of the upper plate (111) is provided with a first boss (8) in a U-shaped configuration.

5. The shooting pot stator and PCBA board buckling connection structure according to claim 2, wherein the bottom of the wing plate (6) of the lower plate (112) is provided with a second boss (9) which is in a U-shaped or fan-shaped structure and is matched with the top of the PCBA board (2), and the end part of the welding column (4) is embedded in the second boss (9).

6. The injection-coated stator and PCBA plate buckling connection structure as claimed in claim 2, wherein the silicon steel sheet (12) is provided with a second center hole (16) corresponding to the center sleeve (3), the silicon steel sheet (12) is provided with fins (17) located between the wing plates (6) of the upper plate (111) and the lower plate (112) and the side plates (7), the fins (17) of the silicon steel sheets (12) are provided with corresponding second through holes (18), and a center post (19) matched with the second through hole (18) in shape is arranged between the wing plates (6) of the upper plate (111) and the lower plate (112).

7. A bale injecting stator and PCBA plate snap connection structure as claimed in claim 6, wherein said second central hole (16) and central sleeve (3) are provided with correspondingly arranged second notches (20).

8. The shooting pot stator and PCBA board buckling connection structure as claimed in claim 6, wherein the fin (17) is in a T-shaped structure with an arc-shaped end face, and two ends of the fin (17) protrude out of the upper plate (111) and the lower plate (112).

9. The connecting structure of the shooting pot stator and the PCBA plate buckle as claimed in any one of claims 1-8, wherein the inner wall and the outer wall of the buckle (5) are of an arc structure concentric with the central sleeve (3), and a slope (15) inclined to the bottom of the buckle (5) is arranged at the bottom in the buckle (5).

10. A bale-shooting stator and PCBA plate snap connection as claimed in claim 9, wherein the inner diameter of the snap (5), the inner diameter of the first central hole (10) and the inner diameter of the central sleeve (3) are identical, and the outer diameter of the snap (5) and the outer diameter of the central sleeve (3) are identical.

Technical Field

The invention relates to a buckling connection structure of a shooting packet stator and a PCBA board, and belongs to the technical field of fan motor structures.

Background

The fan is that electrically driven internal balance weight flabellum rotates into natural wind to reach the purpose of accelerating air flow, heat dissipation and cooling, and is widely applied to the fields of electronic devices, cooling devices, domestic environment, automobiles and the like, after the control circuit of PCBA board controls the conduction of the coil of the shooting packet stator to generate internal excitation, the rotor flabellum with the coil positioned outside the shooting packet stator rotates around a shaft, the shooting packet stator and the PCBA board are combined and assembled into a fan motor assembly, the fan motor assembly is favorable for quick assembly, compact and reasonable arrangement of structural circuits, and the fan flabellum is reliably driven to rotate on supporting pieces such as an outer frame and the like. The hot-melt extrusion package stator mainly comprises an insulation center frame and a plurality of silicon steel sheets positioned in the insulation center frame, a plurality of stator coil groups are correspondingly wound on the insulation center frame at intervals around the center, the hot-melt extrusion package stator and a PCBA (printed Circuit Board Assembly) plate at the bottom are combined in a welding mode, and the bonding force of the hot-melt extrusion package stator and the PCBA plate is fixed only through a welding point and easily causes falling.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a buckling connection structure of a shooting packet stator and a PCBA (printed Circuit Board Assembly), wherein an insulating central support of the shooting packet stator is stably combined with a silicon steel sheet, the combining force of the shooting packet stator and the PCBA is fixed through a welding point, meanwhile, the combination of a buckle and the PCBA is increased, the combining force is further enhanced, the falling risk is avoided, and the stability and the service life of the combined structure of the fan shooting packet stator and the PCBA are favorably improved.

The invention is realized by the following technical scheme:

a buckling connection structure of a shooting package stator and a PCBA board comprises the shooting package stator and the PCBA board located at the bottom of the shooting package stator, wherein the shooting package stator comprises an insulating center frame and a plurality of silicon steel sheets located in the insulating center frame, a center sleeve and welding columns located outside the center sleeve at intervals are arranged on the insulating center frame, and a plurality of buckles which are arranged around the center sleeve at intervals and protrude towards the bottom of the center sleeve are arranged at the bottom of the center sleeve;

the insulating center frame comprises an upper plate and a lower plate which are connected with the outer wall of the center sleeve, the upper plate and the lower plate are respectively provided with a plurality of wing plates which are arranged around the center sleeve at intervals, and a side plate which is vertically connected with the upper plate and the lower plate is arranged between the adjacent wing plates of the upper plate and the lower plate;

the end face of each wing plate is of an arc-shaped T-shaped structure, a first through hole which is arranged close to the central sleeve is arranged on each wing plate, each side plate is of a V-shaped or C-shaped structure, a first boss which is of a U-shaped structure is arranged at the top of each wing plate of the upper plate, a second boss which is of a U-shaped or fan-shaped structure and matched with the top of the PCBA plate is arranged at the bottom of each wing plate of the lower plate, and the end part of each welding column is embedded into the corresponding second boss;

the PCBA is provided with a first central hole arranged corresponding to the central sleeve and a welding hole fixed by welding corresponding to the welding column, the first central hole is provided with a plurality of first notches arranged corresponding to the buckles, and the inner walls of the first notches are matched with the outer walls or the outer side walls of the buckles in shape;

be equipped with the second centre bore that corresponds the center sleeve setting on the blade of silicon steel, the blade between pterygoid lamina, the curb plate that the blade of silicon steel has and is located upper plate and hypoplastron, is equipped with corresponding second through-hole on a plurality of blade of silicon steel, be equipped with between the pterygoid lamina of upper plate and hypoplastron with second through-hole shape complex center pillar, be equipped with the second notch that corresponds the setting on second centre bore and the center sleeve, the blade is the terminal surface and is curved T shape structure, and blade both ends protrusion in upper plate and hypoplastron, the blade is the terminal surface and is curved T shape structure, and the protrusion in upper plate and hypoplastron at blade both ends.

The invention has the beneficial effects that:

(1) a plurality of silicon steel sheets of the injection-coated stator are sequentially stacked, an insulating central support is matched with a second through hole of a wing piece in shape through a center post between wing plates of an upper plate and a lower plate, the upper plate and the lower plate of the insulating central support are respectively positioned at the top and the bottom of the silicon steel sheets, a side plate between adjacent wing plates of the upper plate and the lower plate is positioned outside the silicon steel sheets, the silicon steel sheets are positioned and fixed inside the insulating central support, coils are wound outside the wing plates of the upper plate and the lower plate and the side plate connected with the wing plates under the limit of a first boss and a second boss, a plurality of welding columns are inserted into corresponding welding holes of the PCBA plate and are welded and fixed with the PCBA plate at the welding holes through the welding columns, and the positioning, fixing and assembling of the injection-coated stator and the PCBA plate are realized;

(2) the bottom of the central sleeve and the bottom of the second boss are positioned at the top of the PCBA, the shape of the outer wall or the outer wall of the buckle is matched with the shape of the inner wall of the first notch to improve the bonding force of the shooting and wrapping stator and the PCBA when the shooting and wrapping stator and the PCBA are combined, the inner wall of the central sleeve, the inner wall of the buckle and the inner wall of the first central hole are matched and fixed with the inner pipe of the outer frame of the fan under the positioning of the second notch, compared with the traditional method that the shooting and wrapping stator and the PCBA are fixed through a welding fixing structure, the positioning and assembling speed and stability of the invention are high, the bonding force of the shooting and wrapping stator and the PCBA is fixed through a welding point, meanwhile, the combination of the buckle and the PCBA is increased, the bonding force is further strengthened, the falling risk is avoided, and the stability and the service life of the combination structure of the shooting and the PCBA of the fan are favorably increased.

Drawings

Fig. 1 is a top perspective view of the present invention.

Fig. 2 is a bottom perspective view of the present invention.

Fig. 3 is a front view structural diagram of the present invention.

Fig. 4 is a top assembled perspective view of the present invention.

Fig. 5 is a bottom assembled perspective view of the present invention.

Fig. 6 is a top perspective view of the insulated center frame of the present invention.

Fig. 7 is a bottom perspective view of the insulated center frame of the present invention.

FIG. 8 is a perspective view of a silicon steel sheet according to the present invention.

Fig. 9 is a bottom view of the present invention.

Fig. 10 is a cross-sectional view in the direction AA of fig. 9.

The labels in the figure are: the injection-molded stator comprises a stator 1, a PCBA plate 2, an insulating center frame 11, a silicon steel sheet 12, a center sleeve 3, a welding column 4, a buckle 5, an upper plate 111, a lower plate 112, a wing plate 6, a side plate 7, a first boss 8, a second boss 9, a first center hole 10, a welding hole 13, a first notch 14, a slope 15, a second center hole 16, a fin 17, a second through hole 18, a center column 19, a second notch 20 and a first through hole 21.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

A buckling connection structure of an injection package stator and a PCBA (printed Circuit Board Assembly) plate comprises an injection package stator 1 and a PCBA plate 2 positioned at the bottom of the injection package stator 1, wherein the injection package stator 1 comprises an insulating center frame 11 and a plurality of silicon steel sheets 12 positioned in the insulating center frame 11, a center sleeve 3 in an integrated structure and welding columns 4 positioned outside the center sleeve 3 at intervals are arranged on the insulating center frame 11, and a plurality of buckles 5 which are arranged at intervals around the center sleeve 3 and protrude towards the bottom of the center sleeve 3 are arranged at the bottom of the center sleeve 3;

the insulating center frame 11 comprises an upper plate 111 and a lower plate 112 connected with the outer wall of the center sleeve 3, the upper plate 111 and the lower plate 112 are respectively provided with a plurality of wing plates 6 arranged around the center sleeve 3 at intervals, and a side plate 7 vertically connected with the upper plate 111 and the lower plate 112 is arranged between the adjacent wing plates 6 of the upper plate 111 and the lower plate 112;

the wing plate 6 is of a T-shaped structure with an arc-shaped end face, a first through hole 21 which is arranged close to the central sleeve 3 is arranged on the wing plate 6, the side plate 7 is of a V-shaped or C-shaped structure, a first boss 8 which is of a U-shaped structure is arranged at the top of the wing plate 6 of the upper plate 111, a second boss 9 which is of a U-shaped or fan-shaped structure and matched with the top of the PCBA plate 2 is arranged at the bottom of the wing plate 6 of the lower plate 112, and the end part of the welding column 4 is embedded in the second boss 9;

the PCBA board 2 is provided with a first central hole 10 corresponding to the central sleeve 3 and welding holes 13 corresponding to the welding posts 4 and fixed in a welding mode, the first central hole 10 is provided with a plurality of first notches 14 corresponding to the buckles 5, and the inner walls of the first notches 14 are matched with the outer walls or the outer side walls of the buckles 5 in shape;

the inner wall and the outer wall of the buckle 5 are of arc structures concentric with the central sleeve 3, a slope surface 15 inclined to the bottom of the buckle 5 is arranged at the bottom in the buckle 5, the inner diameter of the buckle 5 and the inner diameter of the first central hole 10 are consistent with the inner diameter of the central sleeve 3, and the outer diameter of the buckle 5 is consistent with the outer diameter of the central sleeve 3;

the silicon steel sheet 12 is provided with a second center hole 16 corresponding to the center sleeve 3, the silicon steel sheet 12 is provided with fins 17 between the wing plates 6 and the side plates 7 of the upper plate 111 and the lower plate 112, the fins 17 of the silicon steel sheets 12 are provided with corresponding second through holes 18, a center pillar 19 matched with the second through holes 18 in shape is arranged between the wing plates 6 of the upper plate 111 and the lower plate 112, the second center hole 16 and the center sleeve 3 are provided with second notches 20 correspondingly arranged, the fins 17 are of T-shaped structures with arc-shaped end faces, two ends of the fins 17 protrude out of the upper plate 111 and the lower plate 112, the fins 17 are of T-shaped structures with arc-shaped end faces, and two ends of the fins 17 protrude out of the upper plate 111 and the lower plate 112.

The principle of the invention is as follows:

referring to the attached drawings, a plurality of silicon steel sheets 12 of the injection-coated stator 1 are correspondingly arranged and sequentially stacked through second notches 20 of a plurality of second center holes 16, an insulating center support is matched with second through holes 18 of fins 17 through a center post 19 between wing plates 6 of an upper plate 111 and a lower plate 112 in a shape, the insulating center support is formed outside the silicon steel sheets 12 in an injection molding mode, the upper plate 111 and the lower plate 112 of the insulating center support are respectively positioned at the top and the bottom of the silicon steel sheets 12, a side plate 7 which is V-shaped or C-shaped between the wing plates 6 of the upper plate 111 and the lower plate 112 is positioned outside the silicon steel sheets 12, and the silicon steel sheets 12 are positioned and fixed inside the insulating center support;

the end parts of a plurality of welding columns 4 are embedded in the corresponding second bosses 9, the welding columns 4 are arranged through the U-shaped or fan-shaped second bosses 9 and are heightened to ensure that the welding columns 4 are installed, the wing plates 6 of the upper plate 111 and the lower plate 112 and the outer parts of the side plates 7 connected with the wing plates 6 are used for winding coils, the wing plates 6 are of T-shaped structures, the end surfaces of the wing plates 17 are of arc-shaped T-shaped structures, the two ends of the wing plates 17 protrude out of the upper plate 111 and the lower plate 112, the first bosses 8 and the second bosses 9 play a role in limiting the coils, so that a stable magnetic field effect is formed, the coils are convenient to fix by using the first through holes 21 close to the central columns or the first bosses, the whole structure of the injection-packaging stator 1 is compact, and the first bosses 8 are U-shaped so that the injection-packaging stator 1 is convenient to position and fix;

a plurality of welding columns 4 at the bottom of an insulating center frame 11 of the injection-coated stator 1 are inserted into welding holes 13 corresponding to the PCBA board 2, a plurality of buckles 5 protruding from a center sleeve 3 of the insulating center frame 11 are correspondingly clamped into first notches 14 of a first center hole 10 of the PCBA board 2, the bottom of the center sleeve 3 and the bottom of a second boss 9 are positioned at the top of the PCBA board 2, the outer wall or the outer side wall of each buckle 5 is matched with the inner wall of each first notch 14 in shape to improve the bonding force when the injection-coated stator 1 and the PCBA board 2 are combined, and the welding columns 4 are welded and fixed with the PCBA board 2 at the welding holes 13, so that the positioning, fixing and assembling of the injection-coated stator 1 and the PCBA board 2 are realized;

the inner wall and the outer wall of the buckle 5 are of an arc structure concentric with the central sleeve 3, the inner bottom of the buckle 5 is provided with a slope 15 inclined to the bottom of the buckle 5, the inner diameter of the buckle 5 and the inner diameter of the first central hole 10 are consistent with the inner diameter of the central sleeve 3, and the outer diameter of the buckle 5 is consistent with the outer diameter of the central sleeve 3, so that the inner wall of the central sleeve 3, the inner wall of the buckle 5 and the inner wall of the first central hole 10 are conveniently matched and fixed with a middle tube in an outer frame of a fan, and a second notch 20 correspondingly arranged is matched and positioned with the middle tube in the outer frame, so that a control circuit of the assembled PCBA plate 2 generates rotary drive on a fan rotor through the injection wrapping stator 1;

therefore, compared with the traditional structure that the package shooting stator 1 and the PCBA board 2 are fixed through welding, the positioning assembly is rapid and stable, the binding force of the package shooting stator 1 and the PCBA board 2 is fixed through welding points, meanwhile, the combination of the buckles 5 and the PCBA board is increased, the binding force is further strengthened, the falling risk is avoided, and the stability and the service life of the combined structure of the fan package shooting stator 1 and the PCBA board 2 are favorably improved.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.