CN215835279U - Stator structure with built-in control circuit - Google Patents

Abstract

The utility model relates to a stator structure, in particular to a stator structure with a built-in control circuit, which is used for driving a motor rotor to rotate in a driving motor and comprises a base, a fixed framework, a circuit board and a cover plate, wherein the fixed framework is inserted in the base through a second through hole; a plurality of needle columns are arranged at the top of the fixed framework; the circuit board is sleeved on the needle post and buckled at the top of the fixed framework; the cover plate is buckled at the top of the circuit board and covers the circuit board. In the stator structure with the built-in control circuit, the circuit board is fixed in the motor in a buckling mode, so that the assembly and disassembly are more convenient, and meanwhile, the circuit board is effectively protected by the cover plate arranged on the circuit board.

Description

Stator structure with built-in control circuit

Technical Field

The utility model relates to a stator structure, in particular to a stator structure with a built-in control circuit.

Background

In the prior art, in order to effectively improve the utilization ratio of the internal space of the motor, most motors can arrange the control circuit inside, and in most motors with built-in circuit boards, the circuit boards are fixed inside the motors in a screw or viscose mode, so that the assembly and disassembly are very inconvenient.

Accordingly, the prior art is in need of improvement and development.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a built-in control circuit's stator structure, utilizes the fixed circuit board of lock mode so that install and remove more conveniently, simultaneously, through setting up apron protection circuit board, effectively prevents that the circuit board from being damaged.

The technical scheme of the application is as follows:

a stator structure with a built-in control circuit for driving a rotor of a motor to rotate in a driving motor, comprising:

the base is provided with a first through hole and a plurality of second through holes, and the second through holes are distributed at intervals around the circumferential outer side of the first through hole;

the fixing framework is inserted on the base through the second through hole; a plurality of needle columns are arranged at the top of the fixed framework;

the circuit board is sleeved on the needle post and buckled at the top of the fixed framework;

and the cover plate is buckled at the top of the circuit board and covers the circuit board.

The application provides a built-in control circuit's stator structure, the circuit board passes through the lock mode to be fixed inside the motor, makes to install and remove more portably, sets up the apron simultaneously on the circuit board and can effectively prevent that the circuit board from receiving vibrations bumps and lead to damaging.

Further, fixed skeleton includes skeleton and lower skeleton, go up the skeleton with the mutual gomphosis of lower skeleton will the base is fixed go up the skeleton with between the skeleton down.

Go up skeleton and lower skeleton centre gripping base simultaneously, can effectively ensure the stability of base and the compactedness between the greatly increased structure, the structure takes place not hard up when being favorable to preventing to shake.

Further, the base includes outer frame and interior iron core, a plurality of first recesses have been seted up to outer frame inside, interior iron core outside be equipped with a plurality of with the first boss of first recess one-to-one, through first recess with mutually supporting of first boss makes interior iron core inlays inside the outer frame.

The fixed framework is arranged on the inner iron core, a user can take out the whole fixed framework, the winding and the rotor by separating the inner iron core from the outer framework, the user can conveniently overhaul the fixed framework, the inner iron core and the outer framework are fixed in an embedded mode, and the assembly and disassembly can be more convenient.

Furthermore, a plurality of first separation blades are arranged on the outer side of the upper framework, a plurality of second separation blades are arranged on the outer side of the lower framework, and each first separation blade is aligned with one second separation blade up and down.

Furthermore, the circuit board is arc-shaped, and one side of the inner arc of the circuit board is provided with at least one second groove; the bottom of the cover plate is provided with a plurality of reverse buckles corresponding to the second grooves, and the reverse buckles penetrate through the second grooves and are fastened and fixed on the upper framework.

Furthermore, the cover plate is arc-shaped, the cross section of the cover plate is L-shaped, and the cover plate surrounds one side and the top of the outer arc of the circuit board.

Furthermore, a third through hole is formed in the top of the cover plate and used for inserting a wire.

Furthermore, 3 second bosses arranged at intervals are arranged at the top of the fixed framework, and the interval between every two adjacent second bosses is vertically aligned with the position of the second groove, so that the reverse buckle can penetrate through the interval buckle on the bottom surface of the second bosses to be fixed on the fixed framework.

Furthermore, at least 1 needle post is inserted into the upper surface of each second boss.

Furthermore, the outer frame is also provided with a fourth through hole, and the fourth through hole is used for fixing the outer frame.

The utility model has the beneficial effects that: on one hand, the circuit board is fixed in the motor in a buckling mode, so that screws and glue are omitted, and the assembly and disassembly are more convenient; on the other hand, the circuit board is effectively protected by arranging the cover plate on the circuit board, and the circuit board is prevented from being damaged due to collision.

Drawings

Fig. 1 is a schematic structural diagram of a stator structure with a built-in control circuit according to an embodiment of the present disclosure.

Fig. 2 is an exploded view of a stator structure with a built-in control circuit provided in an embodiment of the present application.

Fig. 3 is a schematic structural diagram of the cover plate in the embodiment of the present application.

Fig. 4 is a schematic structural diagram of the circuit board in the embodiment of the present application.

Fig. 5 is a schematic structural diagram of the upper frame in the embodiment of the present application.

Fig. 6 is a schematic structural diagram of the base in the embodiment of the present application.

Fig. 7 is a schematic structural diagram of the inner core in the embodiment of the present application.

Fig. 8 is a schematic structural diagram of an outer frame in an embodiment of the present application.

Description of reference numerals:

100. a base; 110. a first through hole; 120. a second through hole; 130. an outer frame; 131. a first groove; 132. a fourth via hole; 140. an inner core; 141. a first boss; 200. fixing the framework; 210. a needle cylinder; 220. mounting a framework; 221. a first baffle plate; 230. a lower framework; 231. a second baffle plate; 240. a second boss; 300. a circuit board; 310. a second groove; 400. a cover plate; 410. reversing; 420. a third via.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" 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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

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; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the utility model. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.

In certain preferred embodiments, referring to fig. 1 and 2, a stator structure with a built-in control circuit for driving a motor rotor in a driving motor to rotate, comprises:

the base 100 is provided with a first through hole 110 and a plurality of second through holes, and the plurality of second through holes 120 are arranged around the circumferential outer side of the first through hole 110 at intervals;

the fixing framework 200, the fixing framework 200 is inserted on the base 100 through the second through hole; a plurality of needle pillars 210 are arranged at the top of the fixing frame 200;

a circuit board 300, wherein the circuit board 300 is sleeved on the needle post 210 and buckled on the top of the fixing framework 200;

and a cover plate 400 fastened to the top of the circuit board 300 and covering the circuit board 300.

In this embodiment, the circuit board 300 is mounted on the stator of the motor and integrated inside the motor, thereby effectively eliminating an external driving device. In addition, the circuit board 300 is fixed with the fixing frame 200 in a buckling manner, when a user needs to maintain the circuit board 300 or the stator, the circuit board 300 can be taken out only by releasing the buckling state, screw fixation is omitted, and the assembly and disassembly efficiency is greatly improved. In addition, the cover plate 400 is fixed to the circuit board 300 by the same fastening method, so as to effectively prevent the circuit board 300 from being damaged.

It should be noted that the first through hole 110 is a reserved position of the motor rotor, the motor stator in this embodiment does not include the motor rotor, and the motor rotor is an additional assembly.

In some embodiments, referring to fig. 2, the fixing frame 200 includes an upper frame 220 and a lower frame 230, and the upper frame 220 and the lower frame 230 are engaged with each other to fix the base 100 between the upper frame 220 and the lower frame 230.

In this embodiment, the upper frame 220 and the lower frame 230 clamp the base 100 up and down, and the winding is sleeved between the upper frame 220 and the lower frame 230, so that the upper frame 220, the lower frame 230 and the base 100 can be tightly combined, the stability between the internal structures of the motor is greatly improved, and the internal structures are effectively prevented from being loosened due to the vibration of the motor.

In some embodiments, referring to fig. 6, 7 and 8, the base 100 includes an outer frame 130 and an inner core 140, the outer frame 130 defines a plurality of first grooves 131 therein, the inner core 140 defines a plurality of first bosses 141 corresponding to the first grooves 131 one by one on the outside thereof, and the inner core 140 is embedded in the outer frame 130 by the cooperation of the first grooves 131 and the first bosses 141.

In this embodiment, the inner core 140 is fixed between the upper frame 220 and the lower frame 230, the inner core 140 is separated from the outer frame 130, and a user can replace the inner core 140 or the outer frame 130 according to actual needs, which is beneficial to overhaul the motor. Because the winding cover is established on fixed skeleton 200, and fixed skeleton 200 is installed on interior iron core 140, consequently overhauls the motor, can one step realize taking out the winding, only need aim at first boss 141 with first recess 131 after overhauing and can inlay interior iron core 140 in outer frame 130, easy operation.

In some embodiments, referring to fig. 5, a plurality of first blocking pieces 221 are disposed on the outer side of the upper frame 220, a plurality of second blocking pieces 231 are disposed on the outer side of the lower frame 230, and each first blocking piece 221 is aligned with one second blocking piece 231 up and down.

After the upper framework 220 and the lower framework 230 are mutually embedded, the first blocking piece 221 of the upper framework is vertically aligned with the second blocking piece 231, so that the winding can be smoothly sleeved on the fixed framework 200, and meanwhile, the first blocking piece 221 and the second blocking piece 231 can limit the winding, and the winding is effectively prevented from being accidentally separated from the fixed framework 200 when vibrating.

In some embodiments, referring to fig. 4, the circuit board 300 is arc-shaped and has at least one second groove 310 formed on one side of the inner arc; the bottom of the cover plate 400 is provided with a plurality of reverse buckles 410 corresponding to the second grooves 310, and the reverse buckles 410 pass through the second grooves 310 and are fastened and fixed on the upper frame 220. The cover plate 400 is fastened to the top of the circuit board 300 through the reverse buckle 410, so that the circuit board 300 can be shielded by the cover plate 400, and the circuit board 300 is prevented from being damaged by external force. The structure of the reverse buckle 410 can greatly facilitate the assembly and disassembly of the cover plate 400, and a screw and a nut are omitted, so that the overall structure of the motor is lighter.

Further preferably, referring to fig. 3, the cover plate 400 has an arc shape and an "L" shape in cross section, and the cover plate 400 surrounds the outer arc side and the top of the circuit board 300. The cover plate 400 surrounds the outer arc side and the top of the circuit board 300, and can prevent the circuit board 300 from being damaged by external impact.

Further preferably, referring to fig. 3, a third through hole 420 is further formed in the top of the cover plate 400, and the third through hole 420 is used for inserting a wire. The user can extend the wire connected to the circuit board 300 out of the third through-hole 420 so as not to be accidentally entangled with the motor rotor.

In some embodiments, referring to fig. 2 and 5, 3 second bosses 240 are provided at intervals on the top of the fixing frame 200, and the interval between every two adjacent second bosses 240 is aligned with the position of the second groove 310, so that the inverted buckle 410 can be snapped on the bottom surfaces of the second bosses 240 through the interval to be fixed on the fixing frame 200. The reverse buckle 410 is generally made of a plastic material, can deform under stress, and can recover from deformation when not subjected to external force.

The utility model is used for oppressing back-off 410 and make back-off 410 take place deformation, so that back-off 410 can from last down pass in proper order behind the interval between second recess 310 and the adjacent second boss 240, reach the bottom of second boss 240, after losing external force, back-off 410 deformation resumes, back-off 410 is blockked by second boss 240 bottom surface, therefore apron 400 is fixed, when apron 400 needs to be demolishd, only need oppress back-off 410 from second boss 240 bottom surface and make back-off 410 take place deformation and can take out back-off 410 through the interval between second recess 310 and the adjacent second boss 240, the user need not to be with the help of other instruments, for example, the fix with screw needs the screwdriver to unblock, this embodiment can facilitate greatly the user and install and remove apron 400.

In some embodiments, referring to fig. 2 and 5, at least 1 pin 210 is inserted into the upper surface of each second boss 240, each pin 210 corresponds to a set of windings of the motor and is connected to a winding wire, the plurality of second bosses 240 separate the pins 210 to facilitate a user to distinguish the windings corresponding to each pin 210, for example, 2 pins 210 are inserted into the first second boss 240 on the left side to correspond to the first winding and the second winding on the left side, when the windings need to be maintained, the user can quickly distinguish the corresponding windings according to the position of the second boss 240 and the pins 210 inserted into the second boss 240, so as to reduce the maintenance time and avoid erroneous maintenance.

In some embodiments, referring to fig. 6 and 8, the outer frame 130 is further provided with a fourth through hole 132, and the fourth through hole 132 is used for fixing the outer frame 130. In this embodiment, four corner positions of the outer frame 130 are provided with the fourth through holes 132, and the whole motor stator can be fixed with an external structure by the fourth through holes 132 in cooperation with screws, so that the position of the motor stator is limited, and the motor stator is prevented from moving due to vibration generated during the operation of the motor.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.

Claims (10)

1. A stator structure with a built-in control circuit for driving a rotor of a motor to rotate in a driving motor, comprising:

the base (100) is provided with a first through hole (110) and a plurality of second through holes (120), and the second through holes (120) are arranged around the circumferential outer side of the first through hole (110) at intervals;

the fixing framework (200) is inserted on the base (100) through the second through hole (120); the top of the fixed framework (200) is provided with a plurality of needle columns (210);

the circuit board (300) is sleeved on the needle post (210) and buckled at the top of the fixed framework (200);

and the cover plate (400) is buckled on the top of the circuit board (300) and covers the circuit board (300).

2. The stator structure with a built-in control circuit according to claim 1, wherein the fixing frame (200) comprises an upper frame (220) and a lower frame (230), and the upper frame (220) and the lower frame (230) are fitted to each other to fix the base (100) between the upper frame (220) and the lower frame (230).

3. The stator structure of the built-in control circuit of claim 2, wherein the base (100) comprises an outer frame (130) and an inner iron core (140), a plurality of first grooves (131) are formed inside the outer frame (130), a plurality of first bosses (141) corresponding to the first grooves (131) in a one-to-one manner are formed outside the inner iron core (140), and the inner iron core (140) is embedded inside the outer frame (130) through the mutual matching of the first grooves (131) and the first bosses (141).

4. The stator structure with built-in control circuit according to claim 2, wherein a plurality of first blocking pieces (221) are provided on the outer side of the upper frame (220), a plurality of second blocking pieces (231) are provided on the outer side of the lower frame (230), and each first blocking piece (221) is vertically aligned with one second blocking piece (231).

5. The stator structure of the built-in control circuit according to claim 2, wherein the circuit board (300) is arc-shaped and has at least one second groove (310) formed on one side of the inner arc; the bottom of the cover plate (400) is provided with a plurality of inversed buckles (410) corresponding to the second grooves (310), and the inversed buckles (410) penetrate through the second grooves (310) and are fastened on the upper framework (220).

6. The stator structure with built-in control circuit of claim 5, wherein the cover plate (400) is arc-shaped and has a "L" shape in cross section, and the cover plate (400) surrounds the outer arc side and the top of the circuit board (300).

7. The stator structure with the built-in control circuit of claim 6, wherein a third through hole (420) is further formed in the top of the cover plate (400), and the third through hole (420) is used for inserting a conducting wire.

8. The stator structure with the built-in control circuit of claim 5, wherein the top of the fixing frame (200) is provided with 3 second bosses (240) arranged at intervals, and the interval between every two adjacent second bosses (240) is aligned with the position of the second groove (310) up and down, so that the inverted buckle (410) can be buckled on the bottom surface of the second bosses (240) through the interval to be fixed on the fixing frame (200).

9. The stator structure with built-in control circuit of claim 8, wherein at least 1 of said needle pillars (210) is inserted into the upper surface of each of said second bosses (240).

10. The stator structure with built-in control circuit according to claim 3, wherein said outer frame (130) is further provided with a fourth through hole (132), said fourth through hole (132) being used for fixing said outer frame (130).

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