CN217741423U

CN217741423U - Motor wire sheath and axial flow fan applying same

Info

Publication number: CN217741423U
Application number: CN202221824629.4U
Authority: CN
Inventors: 李浩然; 何锦豪; 李卓
Original assignee: Zhongshan Broad Ocean Motor Co Ltd
Current assignee: Zhongshan Broad Ocean Motor Co Ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-11-04
Anticipated expiration: 2032-07-14

Abstract

The utility model discloses a motor wire sheath and use its axial fan, axial fan includes the water conservancy diversion circle, external rotor electric machine and impeller, the water conservancy diversion circle includes the lid, external rotor electric machine includes stator module, the external rotor, the cover barrel seat, the apparatus further comprises a rotating shaft, the wire sheath, insulating seat and circuit board, the wire sheath includes plate body portion, from the bellied boss portion of one end of plate body portion and the wire hole that runs through plate body portion and boss portion, be equipped with the draw-in groove on the lateral wall of plate body portion, up dig out two locating holes on the bottom surface in plate body portion, two locating holes are located the both sides of wire hole, the cover barrel seat includes first end plate, the border position of the terminal surface of first end plate is equipped with annular boss, the lid fits on annular boss, set up the mounting hole on the lid, the wire sheath is installed in the mounting hole, the circuit board is installed on insulating seat, be provided with on the insulating seat with wire sheath two locating hole complex reference columns, the reference column cartridge is in order to realize insulating seat and wire sheath's location installation in the locating hole.

Description

Motor wire sheath and axial flow fan applying same

The technical field is as follows:

the utility model relates to a motor wire sheath and use its axial fan.

Background art:

as shown in fig. 1 to 3, the conventional axial flow fan includes a guide ring 9A, an outer rotor motor 100A, and an impeller 10A, and a wire sheath 60A is installed at a lead outlet of the outer rotor motor 100A; the conventional wire sheath 60A comprises a plate body portion 1A, a boss portion 2A protruding from one end of the plate body portion 1A, and a wire outlet hole 3A penetrating through the plate body portion 1A and the boss portion 2A, wherein a clamping groove 4A is formed in the outer side wall of the plate body portion 1A; the guide ring 9A comprises a box cover 91A, an outer ring part 92A and a plurality of connecting strips 93A for connecting the box cover 91A with the outer ring part 92A, an impeller 10A is sleeved outside the outer rotor motor 100A, and the outer rotor motor 100A is arranged on the box cover 91A in the middle of the guide ring 9A; the outer rotor motor 100A comprises a stator assembly 20A, an outer rotor 30A, a sleeve seat 40A, a rotating shaft 50A, a wire protecting sleeve 60A, an insulating seat 70A and a circuit board 80A, wherein the sleeve seat 40A comprises a first end plate 401A and a first cylinder 402A protruding out of the first end plate 401A, two ends of the first cylinder 402A are respectively provided with a bearing seat 403A, a bearing is installed in the bearing seat 403A, the rotating shaft 50A is supported and installed on the bearing, the stator assembly 20A is sleeved outside the first cylinder 402A, the rotating shaft 50A is connected with the outer rotor 30A and is placed in the first cylinder 402A, and the outer rotor 30A is sleeved outside the stator assembly 20A; the edge position of the end face of the first end plate 401A is provided with an annular boss 404A, the box cover 91A covers the annular boss 404A, the box cover 91A is provided with a mounting hole 911A, the box cover 91A, the annular boss 404A and the first end plate 401A enclose an accommodating cavity 200A, the insulating base 70A and the circuit board 80A are installed in the accommodating cavity 200A, the mounting hole 911A is communicated with the accommodating cavity 200A, the wire protecting sleeve 60A is installed in the mounting hole 911A, the circuit board 80A is installed on the insulating base 70A, the wire protecting sleeve 60A is clamped between the annular boss 404A and the box cover 91A through the clamping groove 4A, and a lead on the circuit board 80A is led out of the outer rotor motor 100A through the wire protecting sleeve 60A.

When the axial flow fan is assembled, firstly, the stator assembly 20A, the outer rotor 30A, the sleeve seat 40A, the rotating shaft 50A, the insulating seat 70A, the circuit board 80A and the impeller 10A are assembled, then the wire protecting sleeve 60A is clamped on the annular boss 404A of the sleeve seat 40A, then a lead on the circuit board 80A passes through the wire outlet hole 3A of the wire protecting sleeve 60A to lead out the lead, finally, the box cover 91A of the guide ring 9A is covered on the annular boss 404A of the sleeve seat 40A, and the wire protecting sleeve 60A is clamped by the mounting hole 911A on the box cover 91A, but because the existing wire protecting sleeve 60A is not designed with a positioning structure, when the axial flow fan is assembled, the wire protecting sleeve 60A is only simply clamped on the annular boss 404A of the sleeve seat 40A, and annular boss 404A can not play the positioning action to grommet 60A, because the outer lane portion 92A is connected in the lid 91A outside when closing lid 91A, make the whole bulky of grommet 9A, thereby lead to be difficult to aim at grommet 60A's draw-in groove 4A and lid 91A's mounting hole 911A when closing lid 91A when lid, make grommet 60A take place offset or slope easily, in order to ensure that lid 91A can install smoothly, then need correct grommet 60A's position, make axial fan's assembly step redundant like this, and the structure that the box lid 91A outside is connected grommet 9A also can increase the degree of difficulty of correcting grommet 60A position, thereby the efficiency of fan equipment has been reduced, make the cost of labor increase.

The invention content is as follows:

the utility model aims at providing a motor wire sheath and use its axial fan can solve among the prior art because the wire sheath does not have design location structure, wire sheath can only earlier simple joint on the annular boss of cover barrel when equipment axial fan, when the lid closes the lid, wire sheath takes place offset or slope easily, cause the equipment step redundancy of fan, and the structure of water conservancy diversion circle makes wire sheath position correction's the degree of difficulty big, thereby the efficiency of fan equipment has been reduced, the technical problem of cost of labor has been increased.

The purpose of the utility model is realized by the following technical scheme.

An object of the utility model is to provide a motor wire sheath, including the plate body portion, from the bellied boss portion of the one end of plate body portion and the wire hole that runs through plate body portion and boss portion, be equipped with the draw-in groove on the lateral wall of plate body portion, up dig out two locating holes on the bottom surface in plate body portion, two locating holes are located the both sides of wire hole.

Preferably, a guide projection is projected downwards from the bottom surface of the plate body part, and the guide projection is positioned between the two positioning holes.

Preferably, the positioning hole is a through hole that penetrates the plate body portion upward.

Preferably, the cross section of the outlet hole is circular, and the outlet hole is arranged at one end of the plate body part to form a large-fillet transition circular ring.

Preferably, a clearance groove is formed in the side surface of the plate body, and the clearance groove is located below the wire outlet hole.

Another object of the present invention is to provide an axial flow fan, which includes a flow guiding ring, an outer rotor motor and an impeller, wherein the flow guiding ring includes a box cover, an outer ring portion and a plurality of connecting strips for connecting the box cover and the outer ring portion, the impeller is sleeved outside the outer rotor motor, and the outer rotor motor is installed on the box cover located in the middle of the flow guiding ring; the outer rotor motor comprises a stator component, an outer rotor, a sleeve seat, a rotating shaft, a wire protecting sleeve, an insulating seat and a circuit board, wherein the sleeve seat comprises a first end plate and a first cylinder body protruding out of the first end plate; the edge position of the end face of the first end plate is provided with an annular boss, the box cover covers the annular boss, a mounting hole is formed in the box cover, the annular boss and the first end plate are enclosed to form an accommodating cavity, the insulating base and the circuit board are mounted in the accommodating cavity, the mounting hole is communicated with the accommodating cavity, the wire protecting sleeve is mounted in the mounting hole, the circuit board is mounted on the insulating base, the wire protecting sleeve adopts the motor wire protecting sleeve, the insulating base is provided with a positioning column matched with two positioning holes in the wire protecting sleeve, and the positioning column is inserted in the positioning holes to realize positioning and mounting of the insulating base and the wire protecting sleeve.

Preferably, the guide projection of the wire sheath is embedded between the two positioning columns of the insulating base.

Preferably, the box cover comprises a second end plate and a second cylinder body arranged at the edge position of the end face of the second end plate, the second cylinder body is supported on the top face of the annular boss, and the mounting hole is formed in the second cylinder body.

Preferably, an arc-shaped positioning boss is arranged on the top surface of the annular boss, the second cylinder body is sleeved outside the arc-shaped positioning boss, and a space for accommodating the wire protection sleeve is formed between two end parts of the arc-shaped positioning boss.

Preferably, be provided with a plurality of circumference interval distribution's erection column on the first end plate, be provided with the screw on the erection column, on the second end plate, the position that corresponds the erection column is provided with the through-hole, and the through-hole corresponds with the screw, the lid passes through screw fixed mounting and is in on the cover cylinder seat.

Compared with the prior art, the utility model, following effect has:

1) The utility model provides a motor wire sheath through set up two locating holes on the plate body portion, makes the motor wire sheath possess the condition of location installation, is convenient for realize the location installation of motor wire sheath when using motor or axial fan to can effectively simplify motor or axial fan's equipment step, improve the packaging efficiency, reduce the cost of labor.

2) The utility model provides an axial fan, through be provided with on the insulating seat with two locating hole complex reference columns on the protecting wire cover, the reference column cartridge is in order to realize the location installation of insulating seat and protecting wire cover in the locating hole, make the draw-in groove that can aim at the protecting wire cover when the lid closes the lid fast and the mounting hole of lid, can effectively avoid the protecting wire cover to take place the condition emergence of skew or slope when the lid closes the lid, thereby can realize the lid of lid fast and close, realize the location installation of protecting wire cover, need not to correct the position of protecting wire cover when the equipment fan, thereby the equipment step of fan has been simplified, the efficiency of fan equipment is provided, can effectively reduce the cost of labor.

3) Other advantages of the present invention will be described in detail in the examples section.

Description of the drawings:

fig. 1 is a schematic perspective view of a grommet provided for the related art;

FIG. 2 is an exploded view of an axial flow fan provided in the prior art;

fig. 3 is a schematic view of the internal structure of an axial flow fan provided for the prior art;

fig. 4 is a schematic perspective view of the wire sheath according to the present invention;

fig. 5 is a schematic perspective view of another angle of the wire sheath according to the present invention;

fig. 6 is a schematic perspective view of an axial flow fan provided by the present invention;

fig. 7 is an exploded schematic view of an axial flow fan provided by the present invention;

fig. 8 is a schematic front view of an axial flow fan provided by the present invention;

FIG. 9 isbase:Sub>A schematic cross-sectional view A-A provided in FIG. 8;

fig. 10 is an enlarged schematic view of the structure of part B provided for fig. 9;

fig. 11 is an enlarged schematic view of the structure of portion C provided for fig. 9;

fig. 12 is a schematic perspective view of the wire sheath and the insulating base provided by the present invention;

fig. 13 is an exploded view of the wire sheath and the insulating base according to the present invention;

fig. 14 is a schematic perspective view of the wire sheath and the insulating base provided by the present invention at another angle.

The specific implementation mode is as follows:

the present invention will be described in further detail with reference to the following detailed description of preferred embodiments and accompanying drawings.

The first embodiment is as follows:

as shown in fig. 4 and 5, the motor wire sheath provided by the embodiment includes a plate body portion 1, a boss portion 2 protruding from one end of the plate body portion 1 and a wire outlet 3 penetrating through the plate body portion 1 and the boss portion 2, a clamping groove 4 is provided on an outer side wall of the plate body portion 1, two positioning holes 5 are dug upwards on a bottom surface on the plate body portion 1, the two positioning holes 5 are located on two sides of the wire outlet 3, so that the motor wire sheath has a positioning and mounting condition, and positioning and mounting of the motor wire sheath when the motor wire sheath is applied to a motor or an axial flow fan are facilitated, thereby effectively simplifying the assembly steps of the motor or the axial flow fan, improving the assembly efficiency, and reducing the labor cost.

The bottom surface on plate body portion 1 is gone up downward protrusion and is had guide convex block 6, and guide convex block 6 is located between two locating holes 5, and guide convex block 6's design is used for realizing the direction installation of wire sheath 60 to improve the packaging efficiency.

The positioning hole 5 is a through hole which penetrates through the plate body 1 upwards, and the processing is convenient.

As shown in fig. 10, the cross section of the wire outlet hole 3 is circular, a large fillet transition ring 7 is arranged at one end of the wire outlet hole 3 located at the plate body portion 1, and the design of the large fillet transition ring 7 can prevent the wire 500 from being damaged due to bending deformation at an angle of 90 ° when the wire is pulled out in a tensioned state, so that the fillet transition wire can better protect the wire.

As shown in fig. 10, a clearance groove 8 is disposed on a side surface of the plate portion 1, the clearance groove 8 is located below the wire outlet hole 3, when the motor is assembled, in order to reduce the material consumption of the wire 500 of the circuit board 80, the mounting position of the wire sheath 60 is generally designed at the end of the wire 500 close to the circuit board 80, so that the wire 500 of the circuit board 80 can be led out quickly, and the increase of the material consumption of the wire of the circuit board 80 due to the need of wiring arrangement before the wire 500 of the circuit board 80 is led out can be avoided, and the clearance groove 8 designed in the scheme can enable the wire of the circuit board 80 to enter the wire outlet hole 3 in a linear wiring manner, so as to better avoid the increase of the loss of the wire due to the existence of the bent wire when the wire enters the wire outlet hole 3.

Example two:

as shown in fig. 6 to 14, the axial flow fan provided in this embodiment includes a baffle ring 9, an outer rotor motor 100, and an impeller 10, where the baffle ring 9 includes a box cover 91, an outer ring portion 92, and a plurality of connecting bars 93 for connecting the box cover 91 and the outer ring portion 92, the impeller 10 is sleeved outside the outer rotor motor 100, and the outer rotor motor 100 is installed on the box cover 91 located in the middle of the baffle ring 9.

The outer rotor motor 100 comprises a stator assembly 20, an outer rotor 30, a sleeve seat 40, a rotating shaft 50, a wire protecting sleeve 60, an insulating seat 70 and a circuit board 80, wherein the sleeve seat 40 comprises a first end plate 401 and a first cylinder 402 protruding out of the first end plate 401, two ends of the first cylinder 402 are respectively provided with a bearing seat 403, a bearing 90 is installed in the bearing seat 403, the rotating shaft 50 is supported and installed on the bearing 90, the stator assembly 20 is sleeved outside the first cylinder 402, the rotating shaft 50 is connected with the outer rotor 30 and is arranged in the first cylinder 402, the outer rotor 30 is sleeved outside the stator assembly 20, the stator assembly 20 comprises a stator core 201, an end insulator 202 and a coil winding 203, the end insulator 202 is installed at two ends of the stator core 201 and then the coil winding 203 is wound, the outer rotor 30 comprises a casing sleeve 301 and a permanent magnet 302 installed on the inner wall surface of the casing sleeve 301, an impeller 10 is sleeved outside the casing sleeve 301, and one end of the rotating shaft 50 extends out of the first cylinder 402 and is connected with the casing sleeve 301; the edge position of the end face of the first end plate 401 is provided with the annular boss 404, the box cover 91 is covered on the annular boss 404, the box cover 91 is provided with the mounting hole 911, the box cover 91, the annular boss 404 and the first end plate 401 enclose the accommodating cavity 200, the insulating base 70 and the circuit board 80 are installed in the accommodating cavity 200, the mounting hole 911 is communicated with the accommodating cavity 200, the wire protecting sleeve 60 is installed in the mounting hole 911, the circuit board 80 is installed on the insulating base 70, the wire protecting sleeve 60 adopts the motor wire protecting sleeve, the positioning column 701 matched with the two positioning holes 5 in the wire protecting sleeve 60 is arranged on the insulating base 70, the positioning column 701 is inserted into the positioning hole 5 to realize the positioning installation of the insulating base 70 and the wire protecting sleeve 60, the clamping groove 4 of the wire protecting sleeve 60 and the mounting hole 911 of the box cover 91 can be quickly aligned when the box cover 91 is covered, the condition that the position of the wire protecting sleeve 60 deviates or inclines when the box cover 91 is covered can be effectively avoided, the covering of the box cover 60 can be quickly realized, the positioning installation of the wire protecting sleeve 60 can be quickly, the fan correcting the position of the wire sleeve 60 when the fan is assembled, and the fan assembling efficiency can be effectively reduced, and the fan assembling cost can be effectively reduced.

The guide projection 6 of the wire sheath 60 is embedded between the two positioning columns 701 of the insulating base 70, and the guide projection is designed to achieve guide installation of the wire sheath 60, so that the positioning columns 701 and the positioning holes 5 of the wire sheath 60 can be quickly aligned in the axial flow fan assembling process, and the guide projection is adopted to achieve guide installation of the wire sheath 60, and the assembling efficiency can be improved.

The box cover 91 comprises a second end plate 912 and a second cylinder 913 arranged at the edge position of the end surface of the second end plate 912, the second cylinder 913 is supported on the top surface of the annular boss 404, and the mounting hole 911 is arranged on the second cylinder 913; an arc-shaped positioning boss 405 is arranged on the top surface of the annular boss 404, the second cylinder 913 is sleeved outside the arc-shaped positioning boss 405, and a space 300 for accommodating the wire sheath 60 is formed between two end portions of the arc-shaped positioning boss 405, so that the positioning and installation of the box cover 91 are facilitated.

The utility model discloses a socket, including first end plate 401, lid 91, cover seat 40, first end plate 401 is last to be provided with a plurality of circumference interval distribution's erection column 406, is provided with screw 407 on the erection column 406, on the second end plate 912, the position that corresponds erection column 406 is provided with through-hole 914, and through-hole 914 corresponds with screw 407, pass through screw 400 fixed mounting on the sleeve seat 40, simple to operate.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention are equivalent replacement modes, and are all included in the scope of the present invention.

Claims

1. The utility model provides a motor wire sheath, includes plate body portion (1), from the bellied boss portion (2) of one end of plate body portion (1) and runs through wire hole (3) of plate body portion (1) and boss portion (2), is equipped with draw-in groove (4), its characterized in that on the lateral wall of plate body portion (1): two positioning holes (5) are dug upwards on the bottom surface of the plate body part (1), and the two positioning holes (5) are positioned at two sides of the wire outlet hole (3).

2. The motor wire sheath according to claim 1, characterized in that: a guide convex block (6) is protruded downwards on the bottom surface of the plate body part (1), and the guide convex block (6) is positioned between the two positioning holes (5).

3. The motor wire sheath according to claim 2, characterized in that: the positioning hole (5) is a through hole and penetrates the plate body part (1) upwards.

4. A motor grommet according to claim 1, 2 or 3, characterized in that: the section of the wire outlet hole (3) is circular, and a large-fillet transition circular ring (7) is arranged at one end of the wire outlet hole (3) positioned on the plate body part (1).

5. The motor wire sheath according to claim 4, wherein: and a clearance groove (8) is arranged on the side surface of the plate body part (1), and the clearance groove (8) is positioned below the wire outlet hole (3).

6. An axial flow fan comprises a guide ring (9), an outer rotor motor (100) and an impeller (10), wherein the guide ring (9) comprises a box cover (91), an outer ring part (92) and a plurality of connecting strips (93) used for connecting the box cover (91) with the outer ring part (92), the impeller (10) is sleeved outside the outer rotor motor (100), and the outer rotor motor (100) is arranged on the box cover (91) in the middle of the guide ring (9);

the outer rotor motor (100) comprises a stator assembly (20), an outer rotor (30), a sleeve seat (40), a rotating shaft (50), a wire protecting sleeve (60), an insulating seat (70) and a circuit board (80), wherein the sleeve seat (40) comprises a first end plate (401) and a first cylinder (402) protruding out of the first end plate (401), two ends of the first cylinder (402) are respectively provided with a bearing seat (403), a bearing (90) is arranged in the bearing seat (403), the rotating shaft (50) is supported and mounted on the bearing (90), the stator assembly (20) is sleeved outside the first cylinder (402), the rotating shaft (50) is connected with the outer rotor (30) and is arranged in the first cylinder (402), and the outer rotor (30) is sleeved outside the stator assembly (20);

the border position of the terminal surface of first end plate (401) is equipped with annular boss (404), lid (91) lid fits on annular boss (404), set up mounting hole (911) on lid (91), annular boss (404) encloses into an accommodation chamber (200) with first end plate (401), install in accommodation chamber (200) insulator seat (70) and circuit board (80), mounting hole (911) and accommodation chamber (200) intercommunication, protect line cover (60) and install in mounting hole (911), install on insulator seat (70) circuit board (80), its characterized in that: the wire sheath (60) is the motor wire sheath as claimed in any one of claims 1 to 5, the insulating base (70) is provided with positioning columns (701) matched with the two positioning holes (5) in the wire sheath (60), and the positioning columns (701) are inserted into the positioning holes (5) to realize the positioning and installation of the insulating base (70) and the wire sheath (60).

7. The axial flow fan of claim 6, wherein: the guide convex block (6) of the wire protecting sleeve (60) is embedded between the two positioning columns (701) of the insulating base (70).

8. The axial fan of claim 6 or 7, wherein: the box cover (91) comprises a second end plate (912) and a second cylinder (913) arranged at the edge position of the end face of the second end plate (912), the second cylinder (913) is supported on the top face of the annular boss (404), and the mounting hole (911) is formed in the second cylinder (913).

9. The axial flow fan of claim 8, wherein: an arc-shaped positioning boss (405) is arranged on the top surface of the annular boss (404), the second cylinder (913) is sleeved outside the arc-shaped positioning boss (405), and a space (300) for accommodating the wire sheath (60) is formed between two end portions of the arc-shaped positioning boss (405).

10. The axial flow fan of claim 9, wherein: be provided with a plurality of circumference interval distribution's erection column (406) on first end plate (401), be provided with screw (407) on erection column (406), on second end plate (912), the position that corresponds erection column (406) is provided with through-hole (914), and through-hole (914) correspond with screw (407), lid (91) pass through screw (400) fixed mounting in on cover barrel seat (40).