CN218276252U - Split type motor convenient to assemble - Google Patents

Abstract

The utility model discloses a split type motor convenient for assembly, which comprises an outer cylinder, wherein an inner core is formed at the axis position of the outer cylinder, a bottom ring with a hollow cup coil cylinder is fixed at the rear end of the inner core, a fan blade is rotationally arranged at the front end of the inner core, and a rotating shaft of the fan blade passes through the inner core and is sleeved with a magnetic cylinder positioned in the hollow cup coil cylinder; the inner core, the inner cylinder and the bottom ring are fixedly connected through long screws, and a plurality of groups of jacking mechanisms matched with the inner core are further formed on the inner cylinder. Compared with the prior art, the long screw has stronger deformation resistance and abrasion resistance, and the inner cylinder can also provide certain protection capability for the coreless coil cylinder; in addition, the jacking mechanism can reduce the pressure on the long screw, and is beneficial to improving the structural stability, so that the motor with the design can be manufactured into an industrial large motor, and the application range is widened.

Description

Split type motor convenient to assemble

Technical Field

The utility model relates to a split type motor, especially a split type motor convenient to assemble belong to motor technical field.

Background

The motor is a driving mechanism for driving the fan blades to rotate in the fan. The applicant originally applied for a utility model patent with publication number "CN216290498U", entitled "a shock-absorbing heat-dissipating structure of motor", and the motor is mainly assembled and combined in a snap-in structure. However, in the process of practical use, the applicant finds that the following defects exist:

1. the buckling type assembling structure needs to consume a certain amount of force for extrusion, the operation is inconvenient, the repeated extrusion of the buckling part is easy to deform and wear, and the support and the hollow cup coil cylinder thereof can fall off;

2. the whole assembling relation can not be reinforced stably only by means of the buckle structure, so that the design is not completely suitable for industrial large motors and can only be applied to certain small motors, and the application range is small.

Thus, the applicant believes that the prior art still has room for improvement.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art, the utility model provides a split type motor convenient to assemble, its overall structure after assembling has higher stability.

In order to achieve the above object, the utility model adopts the following technical scheme: a split type motor convenient to assemble comprises an outer barrel, wherein an inner core is formed at the axis position of the outer barrel, a bottom ring with a hollow cup coil barrel is fixed at the rear end of the inner core, a fan blade is rotatably arranged at the front end of the inner core, and a rotating shaft of the fan blade penetrates through the inner core and is sleeved with a magnetic barrel positioned in the hollow cup coil barrel; the inner core, the inner cylinder and the bottom ring are fixedly connected through long screws, and a plurality of groups of jacking mechanisms matched with the inner core are further formed on the inner cylinder.

Preferably, the jacking mechanism comprises a panel which is used for being attached to the inner core, a U-shaped frame which can be inserted into a slot formed in the inner core is fixed on the panel, a pushing block is attached to the opening of the U-shaped frame in a sliding mode and is in driving fit with jacking blocks which are arranged on the upper side and the lower side of the U-shaped frame in an elastic mode, and the jacking blocks can be opened relatively under the driving of the pushing block until being abutted to the inner wall of the slot.

Preferably, a shoulder bolt is connected to the U-shaped frame in a threaded manner, the pushing block is sleeved on the shoulder bolt in a sliding manner, and a counter bore capable of being matched with the head of the shoulder bolt is formed at the front end of the pushing block.

Preferably, a pushing block return spring is connected between the pushing block and the U-shaped frame.

Preferably, the tail end of the U-shaped frame is further fixed with a return spring of the jacking block, and the jacking block is elastically connected with the U-shaped frame through the return spring of the jacking block.

Preferably, the fan blade further comprises at least one bearing with a shock absorption silica gel pad, the bearing is detachably fixed on a bearing mounting position formed by the inner core, and a rotating shaft of the fan blade penetrates through the bearing and is mutually sleeved with the magnetic cylinder.

Preferably, a plurality of ventilation grooves for heat dissipation are annularly arranged on the inner core.

Preferably, a plurality of air deflectors are annularly arranged between the outer cylinder and the inner core, and the outer cylinder, the air deflectors and the inner core are integrally formed.

Preferably, a rotating gap is formed between the magnetic cylinder and the hollow cup coil cylinder.

Preferably, the bottom ring is sleeved on the outer side of the coreless coil cylinder, a plurality of abutting blocks are annularly arranged behind the bottom ring, and two ends of the coreless coil cylinder are respectively abutted to the panel and the abutting blocks.

Preferably, the heat dissipation device further comprises a circuit board with a plurality of heat dissipation holes, and the circuit board is detachably fixed behind the bottom ring.

Compared with the prior art, the utility model discloses at least, following useful part has:

1. compared with a buckle, the long screw has stronger deformation resistance and abrasion resistance, and the inner cylinder can also provide certain protection capability for the hollow cup coil cylinder;

2. the jacking mechanism can reduce the pressure borne by the long screw, and is beneficial to improving the stability of the structure, so that the motor with the design can be manufactured into an industrial large motor, and the application range is improved;

3. the positions of screw holes among the components can be quickly aligned during assembly, so that the long screw can be conveniently locked;

4. multiple heat dissipation designs such as ventilation groove, aviation baffle and louvre can play good radiating effect to each subassembly, have improved the life of motor.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a disassembled schematic view of fig. 1.

Fig. 3 is a schematic cross-sectional view of fig. 1.

Fig. 4 is a schematic diagram of the tightening mechanism in a normal state.

Fig. 5 is a schematic drawing of the tightening mechanism.

Fig. 6 is a schematic front view of the holding-down block when it is opened.

Fig. 7 is a schematic structural view of the outer tub.

FIG. 8 is a schematic view of the inner barrel construction.

Fig. 9 is a schematic structural view of the bottom ring.

Fig. 10 is a schematic structural view of the U-shaped frame.

Fig. 11 is a schematic structural view of the holding block.

In the figure, 1-inner core; 101-a ventilation slot; 102-a bearing; 1021-damping silica gel pad; 103-slot; 2-outer cylinder; 3-a wind deflector; 4-a coreless coil bobbin; 5-a bottom ring; 501-a butting block; 502-raised edge section ii; 503-a spacing bar; 6-inner cylinder; 601-convex edge part I; 7-long screw; 8-fan blades; 801-a rotating shaft; 802-magnetic cylinder; 9-a jacking mechanism; 901-panels; 9011-strip chute; 9012-a slide block; 902-U-shaped frame; 903-push block; 904-a puller block; 905-shoulder bolts; 906-pusher block return spring; 907-a return spring of the jacking block; 908-a guide bar; 10-a circuit board.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

As shown in fig. 1-11: a split type motor convenient to assemble comprises an outer barrel 2 with an inner core 1 formed in the axis position, and a plurality of air deflectors 3 which are annularly arranged between the outer barrel 2 and the inner core 1 and are integrally formed with the outer barrel 2 and the inner core 1.

The rear end of the inner core 1 is sequentially provided with an inner cylinder 6 and a bottom ring 5 which are detachably and fixedly connected through a long screw 7, and after assembly, a hollow cup coil cylinder 4 carried by the bottom ring 5 is fastened in the inner cylinder 6; the front end of the inner core 1 is rotatably provided with a fan blade 8, the fan blade 8 is connected with a rotating shaft 801, the end of the rotating shaft 801 penetrates through the inner core 1 and is mutually sleeved with a magnetic cylinder 802 positioned in the hollow cup coil cylinder 4, a certain rotating gap exists between the magnetic cylinder 802 and the hollow cup coil cylinder 4, when the hollow cup coil cylinder 4 is electrified to generate a magnetic field, the magnetic cylinder 802 can drive the rotating shaft 801 to rotate, and therefore the fan blade 8 is driven to rotate (the using principle of the hollow cup coil cylinder 4 and the magnetic cylinder 802 is the prior art, and detailed description is omitted herein).

In addition, in the inner cylinder 6, a plurality of groups of jacking mechanisms 9 are formed for matching with the inner core 1, the number of the jacking mechanisms 9 is matched with the number of the long screws 7, and the jacking mechanisms correspond to the positions of the long screws 7 (as shown in fig. 7). The jacking mechanism 9 comprises a panel 901 attached to the back of the inner core 1, the panel 901 and the inner core 6 are integrally formed, a U-shaped frame 902 is fixed on the panel 901 through a fastener (the fastener is not shown in the figure) and is inserted into a slot 103 correspondingly formed at the rear end of the inner core 1, the shape of the slot 103 is slightly larger than that of the jacking mechanism 9 under a normal state, and when the jacking mechanism 9 is inserted into the slot 103, the alignment of screw holes of the inner core 1 and the inner core 6 is shown; meanwhile, a pushing block 903 is further arranged on the opening of the U-shaped frame 902 in a sliding manner, the pushing block 903 is preferably in a trapezoid shape, and mutually matched inclined planes are formed between the pushing block 903 and the pushing blocks 904 which are elastically arranged on the upper side and the lower side of the U-shaped frame 902, so that the two pushing blocks 904 can be driven to relatively open until being mutually abutted against the inner wall of the slot 103 (in the embodiment, the pushing mechanism 9 is similar to a circle in a normal state, but a person skilled in the art can design other shapes according to specific situations, and this document does not make much limitation).

Furthermore, the U-shaped frame 902 is connected with a shoulder bolt 905 through a thread, the push block 903 is slidably sleeved on the shoulder bolt 905, a counter bore capable of being matched with the head of the shoulder bolt 905 is formed at the front end of the push block 903, and a hole is further formed in the panel 901 for a tool to penetrate through to adjust the shoulder bolt 905. When the shoulder bolt 905 is screwed in towards the direction of the U-shaped frame 902, the head of the shoulder bolt 905 will abut against the counter bore and push the push block 903 to move inwards; however, when the shoulder bolt 905 is screwed out, the push block 903 cannot be actively reset, so in the design, a push block reset spring 906 is further arranged between the push block 903 and the U-shaped frame 902, and the pushing blocks 904 on the two sides are correspondingly opened and retracted through the internal and external movement of the push block 903. In addition, a semicircular abdicating groove is formed in the inner side of the jacking block 904, and is used for avoiding interference between the shaft shoulder bolt 905 and the jacking block 904.

The shoulder bolt 905 is a product in the prior art, and mainly comprises a smooth rod body and a threaded section at the end part; in the design, the diameter of the rod body is smaller than that of the threaded section, namely the rod body can extend into a threaded hole formed in the U-shaped frame 902, so that the pushing block 903 can have enough moving distance.

Further, the panel 901 is symmetrically provided with two strip-shaped sliding grooves 9011, and a sliding block 9012 is slidably embedded in the strip-shaped sliding grooves 9011. One end of each of the two tightening blocks 904 is fixedly connected with the corresponding sliding block 9012 through a fastener, so that the tightening blocks can slide on the panel, and the other end of each of the two tightening blocks 904 is elastically connected with the U-shaped frame 902 through a tightening block return spring 907 (the sliding blocks 9012 are used for preventing the tightening blocks 904 from shaking during opening and retraction, and the tightening block return springs 907 are used for driving the tightening blocks 904 to return and retract).

Further, the U-shaped frame 902 is detachably connected with a guide rod 908, and the guide rod 908 passes through the tightening block 904 and is slidably connected therewith.

Furthermore, a gasket with an anti-slip function can be attached to the outer surface of the tightening block 904 for matching with the slot 103.

In the prior art, the assembly between the support and the shell is realized through the clamping pins and the clamping grooves (clamping buckle structures), the clamping pins are not suitable for long-term disassembly and assembly, deformation and abrasion are easily caused by long-term pressing, and relatively speaking, the assembly stability between the support and the shell is not high. When the motor of making is the large-scale motor of industrial fan, the hollow cup coil section of thick bamboo and support can probably drop from the shell because of gravity, especially under the circumstances that the buckle position has had wearing and tearing, the probability that takes place this problem is great relatively, so can influence the normal use of product. Therefore, the design further strengthens the connection relation between the components by arranging the jacking mechanism between the inner cylinder 6 and the inner core 1, thereby optimizing the problems.

Further, the design also comprises two bearings 102, the bearings 102 are detachably fixed on a bearing installation position formed by the inner core 1, a shock absorption silica gel pad 1021 is further arranged between the bearings 102 and the bearing installation position, and the rotating shaft 801 of the fan blade 8 penetrates through the bearings 102 and is sleeved with the magnetic cylinder 802.

Furthermore, the outer wall of the inner cylinder 6 is provided with a convex edge part I601, the outer wall of the bottom ring 5 is provided with a convex edge part II 502, the shapes of the convex edge part I601 and the convex edge part II 502 are matched, and the screw holes of the inner cylinder 6 and the bottom ring 5 are formed on the corresponding convex edge parts. The convex edge part I601 is used for being abutted and matched with the air deflector 3 to assist the positioning of the inner cylinder 6, the convex edge part II 502 is provided with a limiting strip 503 matched with the convex edge part I601, when the bottom ring 5 is assembled behind the inner cylinder 6, the bottom ring 5 is rotated to enable the limiting strip 503 to be abutted with the convex edge part I601, namely, the screw holes of the inner cylinder 6 and the bottom ring 5 are aligned.

The outer diameter of the hollow cup coil cylinder 4 is matched with the inner diameter of the bottom ring 5, so that the hollow cup coil cylinder 4 cannot move left and right when the bottom ring is sleeved outside the hollow cup coil cylinder; under this bottom ring 5, then be the annular and be provided with a plurality of butt piece 501, this design is after the installation, and the both sides terminal surface of coreless coil section of thick bamboo 4 respectively with panel 901, butt piece 501 looks butt, under the locking effect of long screw 7, coreless coil section of thick bamboo 4 can be by the tight fixed of top.

In addition, a plurality of ventilation grooves 101 are annularly arranged in the inner core 1. When the motor of this design is in use, some of the air current that flabellum 8 rotated and produced can follow the clearance circulation between aviation baffle 3, dispels the heat to the inner tube, and another part then can follow ventilation duct 101 circulation to dispel the heat to components such as bearing 102, pivot 801, through this heat dissipation mode, can prolong the life of motor to a certain extent.

Furthermore, the design also comprises a circuit board 10 with a plurality of heat dissipation holes, wherein the circuit board 10 is fixed behind the bottom ring 5 through long screws 7 and is used for controlling the operation of related components in circuit connection, and the air flow circulating from the ventilation groove 101 can dissipate heat of the circuit board 10 through the heat dissipation holes. In addition, a corresponding positioning hole and a corresponding positioning post are formed between the circuit board 10 and the bottom ring 5, and are used for quickly positioning and assembling the circuit board and the bottom ring. Of course, in order to avoid the problem of electric leakage, the outer barrel 2 of the present design can be made of an insulating material.

The assembly mode of the design is as follows: firstly, installing fan blades at the front end of an inner core, and enabling a rotating shaft of the fan blades to penetrate through the inner core to be sleeved with a magnetic cylinder; secondly, the inner cylinder is installed at the rear end of the inner core, when the jacking mechanism is inserted into the slot, the shaft shoulder bolt is screwed in to enable the jacking block to be opened and jack the inner wall of the slot tightly, and then the bottom ring with the hollow cup coil cylinder is assembled to the rear of the inner cylinder, so that the magnetic cylinder is positioned in the hollow cup coil cylinder; then, the circuit board is arranged behind the bottom ring, and the inner core, the inner cylinder, the bottom ring and the circuit board are locked and fixed by using long screws; finally, the assembled motor is assembled into a housing, and the related circuits are connected (the housing is an existing product, and is not shown in the figure).

The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art. Unless otherwise specified, "upper," "lower," "front," "back," and the like are for convenience of description and are not limited to one position or one spatial orientation.

It is to be understood that the present invention has been described with reference to certain embodiments and that various changes or equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention as defined by the appended claims. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims (10)

1. The utility model provides a split type motor convenient to assemble, includes that the axle center position is formed with urceolus (2) of inner core (1), the rear end of inner core (1) is provided with bottom ring (5) of taking coreless coil section of thick bamboo (4), and the front end of inner core (1) is rotated and is provided with a flabellum (8), and pivot (801) of flabellum (8) pass inner core (1) and cup joint its characterized in that with magnetism section of thick bamboo (802) that are located coreless coil section of thick bamboo (4) in the middle of: still including setting up inner tube (6) between inner core (1) and end ring (5), coreless coil bobbin (4) are located inner tube (6) in the middle of, and inner core (1), inner tube (6) and end ring (5) are through long screw (7) detachable fixed connection, and still are formed with a plurality of groups on inner tube (6) and are used for and inner core (1) complex tight mechanism in top (9).

2. The split type motor convenient to assemble of claim 1, wherein: the jacking mechanism (9) comprises a panel (901) attached to the inner core (1), a U-shaped frame (902) capable of being inserted into a slot (103) formed in the inner core (1) is fixed on the panel (901), a pushing block (903) is attached to and slidably arranged on an opening of the U-shaped frame (902) and is in driving fit with jacking blocks (904) arranged on the upper side and the lower side of the U-shaped frame (902) in an elastic mode, and the jacking blocks (904) can be relatively opened under the driving of the pushing block (903) until being mutually abutted to the inner wall of the slot (103).

3. The split type motor convenient to assemble as claimed in claim 2, wherein: u type frame (902) on threaded connection have a shaft shoulder bolt (905), bulldozing block (903) slip cover is established on shaft shoulder bolt (905), and the front end of bulldozing block (903) is formed with the counter sink that can mutually support with shaft shoulder bolt (905) head.

4. The split type motor convenient to assemble as claimed in claim 2, wherein: and a pushing block return spring (906) is connected between the pushing block (903) and the U-shaped frame (902).

5. The split type motor convenient to assemble of claim 2, wherein: a pushing block return spring (907) is fixed on the U-shaped frame (902), and the pushing block (904) is elastically connected with the U-shaped frame (902) through the pushing block return spring (907).

6. The split type motor convenient to assemble of claim 2, wherein: the bottom ring (5) is sleeved on the outer side of the hollow cup coil cylinder (4), a plurality of abutting blocks (501) are annularly arranged at the rear of the bottom ring (5), and two ends of the hollow cup coil cylinder (4) are mutually abutted with the panel (901) and the abutting blocks (501) respectively.

7. The split type motor convenient to assemble of claim 1, wherein: the fan blade assembly is characterized by further comprising at least one bearing (102) with a shock absorption silica gel pad (1021), the bearing (102) is detachably fixed on a bearing mounting position formed by the inner core (1), and a rotating shaft (801) of the fan blade (8) penetrates through the bearing (102) and is mutually sleeved with the magnetic cylinder (802).

8. The split type motor convenient to assemble of claim 1, wherein: the inner core (1) is annularly provided with a plurality of ventilation grooves (101) for heat dissipation.

9. The split type motor convenient to assemble of claim 1, wherein: a plurality of air deflectors (3) are annularly arranged between the outer cylinder (2) and the inner core (1), and the outer cylinder (2), the air deflectors (3) and the inner core (1) are integrally formed.

10. The split type motor convenient to assemble of claim 1, wherein: a rotating gap is formed between the magnetic cylinder (802) and the hollow cup coil cylinder (4).

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