CN216564735U - Motor protection structure and air-out device - Google Patents

Abstract

The utility model provides a motor protection structure and an air outlet device, comprising: the base comprises a first cavity, the first cavity is suitable for accommodating the motor, and a first opening is formed in one end, far away from an output shaft of the motor, of the first cavity; the cover body comprises a main cover, the main cover is connected with the first opening in a sealing mode and is suitable for shielding the first opening, a flow guide surface is arranged on one side, away from the first opening, of the main cover, the flow guide surface is arranged in an arc surface mode and is suitable for dispersing and guiding airflow flowing towards the main cover. The first cavity and the main cover which are connected in a sealing mode are arranged to form the motor wrapped by the closed cavity, the whole structure of the motor is protected, the motor is prevented from being wetted by water entering, meanwhile, the main cover is arranged on the air inlet side far away from the output shaft of the motor, the arc-surface-shaped flow guide surface on the main cover is arranged to face the wind, the edge of the main cover is streamline, the flow guide surface arranged in the mode can enable air flow to slide along the arc surface, the wind resistance of the windward side of the motor protection structure is reduced, the kinetic energy loss of the air flow is further reduced, and the air output of a fan provided with the motor protection structure is improved.

Description

Motor protection structure and air-out device

Technical Field

The utility model relates to the technical field of fans, in particular to a motor protection structure and an air outlet device.

Background

The motor of thermantidote is generally installed between air intake and air outlet, opens humidification or cooling function when the thermantidote after, and the air inlet blows off behind humidification device, and at this in-process, the motor if do not protect, will expose in moist air, and long-time back motor can wet into water, reduces life.

Among the prior art, set up the protection architecture of cladding motor usually, for the motor provides the protection, avoid the motor to wet into water, but common protection device structure is comparatively complicated, can improve the windage in the complete machine wind channel, shelters from partial wind passageway, influences the air output of fan.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the utility model is to overcome the defect that the air output of the whole machine is influenced by the protection structure of the motor in the prior art, thereby providing the motor protection structure and the air outlet device.

The utility model provides a motor protection structure, comprising:

the base comprises a first cavity, the first cavity is suitable for accommodating a motor, and a first opening is formed in one end, far away from an output shaft of the motor, of the first cavity;

the cover body comprises a main cover, the main cover is in sealing connection with the first opening and is suitable for shielding the first opening, a flow guide surface is arranged on one side, away from the first opening, of the main cover, the flow guide surface is arranged in an arc surface shape and is suitable for dispersing and guiding airflow flowing towards the main cover.

The seat body also comprises a second cavity, the second cavity is arranged along the circumferential direction of the first opening, a second opening is arranged on the second cavity, and the second cavity is communicated with the first cavity and is suitable for accommodating a motor wire;

the lid still includes the line ball board, the line ball board with the setting is connected to the main cover, and with second opening detachably sealing connection is suitable for sheltering from the second opening.

The second opening is arranged in the same direction as the first opening.

The wire pressing plate and the main cover are integrally formed.

The first cavity is provided with a plurality of first limiting parts along the circumferential direction of the inner wall of the first cavity, one side, facing the first cavity, of the main cover is provided with a plurality of second limiting parts, and the first limiting parts are detachably clamped and connected with the second limiting parts.

The first limiting piece is arranged along the inner wall of the first cavity in a protruding mode and comprises a first barb piece extending along the circumferential direction and a first abutting piece far away from the first barb piece and extending along the axial direction;

the second locating part includes along the second barb piece that circumference set up to and keep away from along the second barb piece and along the second butt piece of axial extension, the second barb piece has and stretches under the exogenic action and arranges in the first cavity to along first revolve to rotate to with the spacing state that first barb piece block is connected.

The second cavity comprises a main cavity and a wire groove, the main cavity is adjacent to and communicated with the first cavity, and the wire groove is connected with the main cavity and extends in the direction far away from the first cavity;

the line ball board includes mainboard and extension board, the extension board with the mainboard connection sets up, and along keeping away from the main lid direction extends, the mainboard with the main cavity body corresponds sealing connection, the extension board with the wire casing corresponds sealing connection.

Be provided with first connecting piece on the outer wall of the main cavity body, the outer edge of mainboard is provided with the second connecting piece along last salient, the second connecting piece has and follows under the exogenic action first revolve to the rotation, and during spacing state, move to with the mounted position of the external wall butt of main cavity the mounted position, the second connecting piece with first connecting piece detachably connects the setting.

Be provided with the spacing arch of following the outstanding setting of second opening direction on the lateral wall of wire casing, be provided with the spacing groove that the opening side direction set up on the lateral wall of extension board, the spacing groove is established with the second connecting piece branch the both sides of line ball board are suitable for when the second connecting piece moves to mounted position, the spacing groove holds spacing arch, and with spacing protruding butt sets up.

The first cavity orientation the one end of the output shaft of motor still is provided with motor shaft hole and a plurality of louvre, motor shaft hole sets up the tip medial side of first cavity is suitable for the confession the output shaft of motor passes through, and is a plurality of the louvre is followed motor shaft hole week side distributes and sets up.

The utility model provides an air outlet device, comprising:

the air passing channel is internally provided with an accommodating cavity and is also provided with an air inlet and an air outlet;

the driving piece comprises a motor and fan blades arranged on an output shaft of the motor;

the motor protection structure is arranged in the accommodating cavity, the motor is arranged in the first cavity, and the flow guide surface faces the air inlet.

The pedestal still includes: the outer ring piece is sleeved outside the first cavity, is arranged concentrically with the first cavity and is connected with the inner wall of the air passing channel; the supporting pieces are connected with the outer wall of the first cavity and the inner wall of the outer ring piece;

the second cavity on the seat body is respectively connected with the first cavity and the outer ring piece, and the outer ring piece is also provided with a wire passing hole communicated with the second cavity.

The second cavity and the supporting piece are arranged in a profiling mode, and the second cavity and the supporting pieces are uniformly distributed between the first cavity and the outer ring piece.

The air outlet device is a cooling fan.

The technical scheme of the utility model has the following advantages:

1. the utility model provides a motor protection structure, comprising: the base comprises a first cavity, the first cavity is suitable for accommodating a motor, and a first opening is formed in one end, far away from an output shaft of the motor, of the first cavity; the cover body comprises a main cover, the main cover is connected with the first opening in a sealing mode and is suitable for shielding the first opening, a flow guide surface is arranged on one side, away from the first opening, of the main cover, the flow guide surface is arranged in an arc surface shape and is suitable for dispersing and guiding airflow flowing towards the main cover.

The first cavity and the main cover which are connected in a sealing mode are arranged to form the motor wrapped by the closed cavity, the whole structure of the motor is protected, the motor is prevented from being wetted by water entering, meanwhile, the main cover is arranged on the air inlet side far away from the output shaft of the motor, the arc-surface-shaped flow guide surface on the main cover is arranged to face the wind, the edge of the main cover is streamline, the flow guide surface arranged in the mode can enable air flow to slide along the arc surface, the wind resistance of the windward side of the motor protection structure is reduced, the kinetic energy loss of the air flow is further reduced, and the air output of a fan provided with the motor protection structure is improved. The arrangement is simple and easy to implement, and the defect that the air output of the whole machine is influenced by the protection structure of the motor in the prior art is effectively overcome.

2. According to the motor protection structure provided by the utility model, the base body further comprises a second cavity, the second cavity is circumferentially arranged along the first opening, a second opening is formed in the second cavity, and the second cavity is communicated with the first cavity and is suitable for accommodating a motor wire; the lid still includes the line ball board, the line ball board with the setting is connected to the main cover, and with second opening detachably sealing connection is suitable for sheltering from the second opening.

Set up second cavity and line ball board through the combination, further protect the motor line in the second cavity, both prevented the motor line and had run disorderly, realized the setting tied in a bundle, avoided the motor line to wet again, its improvement life.

3. According to the motor protection structure provided by the utility model, the wire pressing plate and the main cover are integrally formed.

The line ball board and the main cover that integrated into one piece set up make between the two hookup location not have the seam, have improved the leakproofness of lid with the pedestal cooperation in-process, further improve the protection effect to motor and motor line.

4. According to the motor protection structure provided by the utility model, the outer wall of the main cavity is provided with the first connecting piece, the outer edge of the main board is provided with the second connecting piece in a protruding mode, the second connecting piece rotates along the first rotating direction under the action of external force and moves to the installation position abutted against the outer wall of the main cavity in the limiting state, and the second connecting piece and the first connecting piece are detachably connected and arranged in the installation position.

The main cover is buckled on the first cavity body and rotates along the first rotating direction until the first barb piece on the first limiting piece is connected with the second barb piece on the second limiting piece in a clamping mode, at the moment, the second connecting piece on the main board of the line pressing plate is also rotated to the mounting position abutted against the outer wall of the main cavity body of the second cavity body, and at the mounting position, the second connecting piece and the first connecting piece can be fixedly connected.

Set up like this for the second connecting piece is connected with first connecting piece, has realized the linkage with being connected between second locating part and the first locating part, when guaranteeing to realize the fastening nature of connecting between main cavity and mainboard, further realizes the installation location between main cover and first cavity and line ball board and the second cavity, plays the effect of setting element, in addition, can also regard as the redundant structure of first butt piece and second butt piece, has improved the stability and the accuracy of installation location.

5. According to the motor protection structure provided by the utility model, the side wall of the wire groove is provided with the limiting bulge which is convexly arranged along the direction of the second opening, the side wall of the extension plate is provided with the limiting groove which is laterally arranged along the opening, the limiting groove and the second connecting piece are respectively arranged at two sides of the wire pressing plate, and the limiting groove is suitable for accommodating the limiting bulge and is abutted against the limiting bulge when the second connecting piece moves to the installation position.

The setting of spacing arch and spacing groove is simultaneously guaranteeing to realize the wiring duct and extend the inter-plate and connect fastening nature, further realizes the installation location between main lid and first cavity and line ball board and second cavity, plays the effect of setting element, in addition, can also regard as the redundant structure of first butt piece and second connecting piece and two subassemblies of first connecting piece, has improved the stability and the accuracy of installation location.

6. According to the air outlet device provided by the utility model, the second cavity and the supporting piece are arranged in a profiling manner, and the second cavity and the supporting pieces are uniformly distributed between the first cavity and the outer ring piece.

The profiling and uniform distribution of the second cavity and the supporting piece enable the combined structure of the second cavity and the line pressing plate to seal and convey the motor line, the effect of reinforcing the connection stability between the first cavity and the outer ring piece can be achieved, and the connection strength of each position between the first cavity and the outer ring piece is effectively balanced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic view of an internal structure of an air outlet device provided in an embodiment of the present invention;

fig. 2 is a schematic perspective view of a motor protection structure with a motor built in the air outlet device shown in fig. 1;

fig. 3 is a schematic perspective view of the motor protection structure shown in fig. 2 when the cover is removed;

FIG. 4 is a schematic perspective view of the motor protection structure shown in FIG. 3 with the motor removed;

fig. 5 is a schematic perspective view of a cover in the air outlet device shown in fig. 1;

FIG. 6 is a side view of the cover shown in FIG. 5;

fig. 7 is a schematic perspective view of another angle of the cover in the air outlet device shown in fig. 1;

description of the labeling:

1-a seat body; 11-a first cavity; 111-a first opening; 112-motor shaft hole; 113-heat dissipation holes; 12-a second cavity; 121-a second opening; 122-a main chamber; 123-wire groove; 13-a first stop; 131-a first barb element; 132-a first abutment; 14-a first connector; 15-limiting bulges; 16-an outer ring member; 17-a support; 2-a cover body; 21-a main cover; 211-a flow guiding surface; 22-a line-pressing plate; 221-a main board; 222-an extension plate; 23-a second stop; 231-a second barb element; 232-a second abutment; 24-a second connector; 25-a limit groove; 3-air inlet; 4, air outlet; 5, a motor; 51-motor wire; 6-fan blades; 7-wet curtain.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 7, the present embodiment provides a motor protection structure, which includes a base 1 and a cover 2.

The base 1 includes a first cavity 11, the first cavity 11 is cylindrical, the motor 5 can be accommodated inside the first cavity 11, one end of the first cavity 11, which is far away from the output shaft of the motor 5, is provided with a first opening 111, and in this embodiment, the shape of the first opening 111 is the same as the cross section of the first cavity 11.

In addition, a motor shaft hole 112 and a plurality of heat dissipation holes 113 are formed in one end, facing the output shaft of the motor 5, of the first cavity 11, the motor shaft hole 112 is formed in the middle side of the end portion of the first cavity 11, the output shaft of the motor 5 passes through the motor shaft hole 112, a plurality of motor 5 mounting holes are formed in positions, adjacent to the periphery, of the motor shaft hole 112 and used for fixedly connecting the motor 5 through screws, a plurality of heat dissipation holes 113 are formed in the junction position of the side end portion of the end portion and the side wall of the first cavity 11, the heat dissipation holes 113 are uniformly distributed along the periphery of the motor shaft hole 112, and therefore heat dissipation of the motor 5 is facilitated.

The cover body 2 comprises a main cover 21, the main cover 21 is detachably and hermetically connected with the first opening 111 through a limit step arranged at each edge, the outer diameter of the main cover is approximately equal to that of the first opening 111 and can be used for shielding the first opening 111, a flow guide surface 211 is arranged on one side, away from the first opening 111, of the main cover 21, the flow guide surface 211 is arranged in an arc shape protruding towards the outer side of the first cavity 11, the vertical section of the flow guide surface is arranged in a streamline shape, and the flow guide surface can disperse and guide airflow flowing towards the main cover 21.

The first cavity 11 and the main cover 21 which are connected in a sealing mode are arranged to form the motor 5 wrapped by the closed cavity, the whole structure of the motor 5 is protected, the motor 5 is prevented from being wetted by water entering the motor 5, meanwhile, the main cover 21 is arranged on the air inlet side far away from the output shaft of the motor 5, the cambered surface-shaped flow guide surface 211 is arranged facing the wind, the edge of the cambered surface-shaped flow guide surface is streamline, the flow guide surface 211 arranged in the mode can enable air flow to slide along the cambered surface, the wind resistance of the windward side of the motor protection structure is reduced, further, the kinetic energy loss of the air flow is reduced, and the air output of a fan provided with the motor protection structure is improved. The arrangement is simple and easy to implement, and the defect that the air output of the whole machine is influenced by the protection structure of the motor 5 in the prior art is effectively overcome.

The base 1 further comprises a second cavity 12, the second cavity 12 is in a square groove shape and is arranged along the circumferential direction of the first opening 111, and a second opening 121 is arranged on the second cavity, in this embodiment, the first opening 111 and the second opening 121 are opened along the same direction, which is convenient for the design and production of the cover body 2, so that the cover body can be simultaneously buckled with the first opening 111 and the second opening 121, and the second cavity 12 is communicated with the first cavity 11 and can accommodate the motor wire 51;

the lid body 2 still includes line ball board 22, and line ball board 22 is rectangular form, along with main lid 21 circumference, is connected with main lid 21 to with second opening 121 butt, and through connecting piece detachably sealing connection such as screw, line ball board 22 is suitable for sheltering from second opening 121.

Set up second cavity 12 and line ball board 22 through the combination, further protect motor line 51 in second cavity 12, both prevented that motor line 51 from running indiscriminately, realized the setting tied in a bundle, avoid motor line 51 again to wet, its improvement life.

In this embodiment, line ball board 22 and main lid 21 integrated into one piece set up, and line ball board 22 and the main lid 21 that integrated into one piece set up make between the two the hookup location do not have the seam, have improved the leakproofness of lid 2 with 1 cooperation in-process of pedestal, further improve the protection effect to motor 5 and motor line 51. In addition, the first cavity 11 and the second cavity 12 are integrally formed, and further, the first cavity 11 and the second cavity 12 are also integrally formed with the outer ring member 16 and the supporting member 17.

A plurality of first limiting parts 13 are uniformly distributed along the circumferential direction of the inner wall of the first cavity 11, a plurality of second limiting parts 23 are uniformly arranged on one side of the main cover 21 facing the first cavity 11, and the first limiting parts 13 and the second limiting parts 23 are detachably clamped and connected. The specific form of the first limiting member 13 and the second limiting member 23 is not limited, and may be a snap-fit connection, a spring snap-fit connection, or other connection forms, such as magnetic connection or adhesion between the first limiting member 13 and the second limiting member 23.

In the present embodiment, the first limiting member 13 is protrudingly disposed along the inner wall of the first cavity 11, and includes a first hooking member 131 extending along the circumferential direction, and a first abutting member 132 away from the first hooking member 131 and extending along the axial direction; the second position-limiting member 23 includes a plurality of second hook members 231 arranged along the circumferential direction, and a second abutting member 232 extending along the axial direction and away from the second hook members 231, wherein the second hook members 231 extend into the first cavity 11 under the action of an external force, and rotate along the first rotation direction to a position-limiting state engaged with the first hook members 131.

The first abutting piece 132 can limit the second barb 231, the second abutting piece 232 can limit the first abutting piece 132, and the first cavity 11 and the main cover 21 can be rotationally fixed through the limit of the abutting pieces and the barb pieces. In this embodiment, the first abutting part 132 and the second abutting part 232 are further provided with a reinforcing rib, the main cover 21 is further provided with a plurality of abutting parts, the abutting parts are adjacent to the second limiting parts 23 and abut against the inner wall of the first cavity 11, and the overall stability of the main cover 21 after being connected with the first cavity 11 is enhanced.

The second cavity 12 comprises a main cavity 122 and a wire groove 123, the main cavity 122 is smaller than the first cavity 11 in volume, is in a square groove shape, is adjacent to and communicated with the first cavity 11, and the wire groove 123 is in a long-strip groove shape, is connected with the main cavity 122 and extends in a direction away from the first cavity 11; the line pressing plate 22 comprises a main plate 221 in a shape of an imitated square plate and an extension plate 222 in a shape of a strip plate, the extension plate 222 is connected with the main plate 221 and extends along the direction away from the main cover 21, the main plate 221 and the main cavity 122 are correspondingly and hermetically connected through a limiting step, and the extension plate 222 and the line groove 123 are correspondingly and hermetically connected through a limiting step.

In this embodiment, the outer wall of the main cavity 122 is provided with the first connecting part 14, the outer edge of the main board 221 is provided with the second connecting part 24 in a protruding manner, the second connecting part 24 rotates along the first rotation direction under the action of external force, and moves to the installation position abutted against the outer wall of the main cavity 122 in the limiting state, and the second connecting part 24 is detachably connected with the first connecting part 14 in the installation position. In this embodiment, the first connecting member 14 is a protruding piece with a screw hole, the second connecting member 24 is a screw post, and the two can be fixed by screws, and as an alternative embodiment, the first connecting member 14 and the second connecting member 24 can also be respectively a slot and a protruding post, etc.

The main cover 21 is fastened on the first cavity 11 and rotates along the first rotation direction until the first hook member 131 on the first limiting member 13 is connected with the second hook member 231 on the second limiting member 23 in a clamping manner, at this time, the second connector 24 on the main board 221 of the line pressing plate 22 also rotates to the installation position abutting against the outer wall of the main cavity 122 of the second cavity 12, and at the installation position, the second connector 24 and the first connector 14 can be fixedly connected.

By the arrangement, the second connecting piece 24 is connected with the first connecting piece 14 and is linked with the second limiting piece 23 and the first limiting piece 13, the connection fastening performance between the main cavity 122 and the main board 221 is ensured, the installation and the positioning between the main cover 21 and the first cavity 11 as well as between the line pressing plate 22 and the second cavity 12 are further realized, the positioning piece is played, in addition, the redundant structure of the first abutting piece 132 and the second abutting piece 232 can be used, and the stability and the accuracy of the installation and the positioning are improved.

In addition, the side wall of the wire groove 123 is provided with a limiting protrusion 15 protruding along the direction of the second opening 121, the side wall of the extension plate 222 is provided with a limiting groove 25 laterally arranged along the opening, the limiting groove 25 and the second connecting piece 24 are respectively arranged at two sides of the wire pressing plate 22, and the limiting groove 25 is suitable for accommodating the limiting protrusion 15 and is abutted against the limiting protrusion 15 when the second connecting piece 24 moves to the installation position.

The arrangement of the limiting protrusion 15 and the limiting groove 25 also ensures the connection tightness between the current-generating groove 123 and the extension plate 222, and simultaneously further realizes the installation and positioning between the main cover 21 and the first cavity 11 as well as between the wire pressing plate 22 and the second cavity 12, thereby playing the role of a positioning piece, and in addition, the positioning piece can also be used as a redundant structure of two components of the first abutting piece 132, the second abutting piece 232, the second connecting piece 24 and the first connecting piece 14, thereby improving the stability and accuracy of the installation and positioning.

As an alternative embodiment, only one or two of the three sets of the limiting protrusion 15 and the limiting groove 25, the first abutment member 132 and the second abutment member 232, and the second connecting member 24 and the first connecting member 14 may be selected.

The utility model also provides an air outlet device, specifically a cooling fan, and also can be a desk fan, a floor fan, an air duct and the like, comprising: the air passing channel, the driving piece and the motor protection structure.

Cross the wind passageway and be the cylindric, the built-in chamber that holds that has, cross wind passageway both ends and still be provided with air intake 3 and the air outlet 4 that are the grid structure setting, still be provided with wet curtain 7 in 3 one side of air intake in addition. The driving piece comprises a motor 5 and a fan blade 6 arranged on an output shaft of the motor 5; the motor protection structure is arranged in the accommodating cavity, the motor 5 is arranged in the first cavity 11, and the flow guide surface 211 is arranged towards the air inlet 3. The guide surface 211 arranged in this way can enable the air flow to slide along the cambered surface, reduce the windage resistance of the windward side of the air outlet device, further reduce the kinetic energy loss of the air flow, improve the air outlet quantity of the air outlet device, and is simple, convenient and easy to implement, and low in cost.

The holder body 1 further comprises an outer ring member 16 and a plurality of supporting members 17. The outer ring piece 16 is sleeved outside the first cavity 11 and is arranged concentrically with the first cavity 11, and the outer wall of the outer ring piece is connected with the inner wall of the air passing channel; the support 17 may connect the outer wall of the first chamber 11 with the inner wall of the outer ring 16;

in this embodiment, the second cavity 12 of the seat body 1 is respectively connected to the first cavity 11 and the outer ring member 16, and the outer ring member 16 is further provided with a wire passing hole communicated with the second cavity 12, so that the wire passes through the outer ring member 16 and is connected to the power supply circuit.

In addition, the supporting member 17 is disposed in an arc shape, the second cavity 12 and the supporting member 17 are profiled, and the second cavity 12 and the supporting members 17 are uniformly distributed between the first cavity 11 and the outer ring member 16. The profiling and uniform distribution of the second cavity 12 and the supporting piece 17 enable the combined structure of the second cavity 12 and the line pressing plate 22 to play a role in reinforcing the connection stability between the first cavity 11 and the outer ring piece 16 while sealing and conveying the motor line 51, and effectively balance the connection strength of each position between the first cavity 11 and the outer ring piece 16. As an alternative embodiment, the support members 17 are uniformly distributed, and the second chamber 12 is arranged independently of the arrangement of the support members 17.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the utility model may be made without departing from the spirit or scope of the utility model.

Claims (15)

1. A motor protection structure, comprising:

the base body (1) comprises a first cavity (11), the first cavity (11) is suitable for accommodating the motor (5), and a first opening (111) is formed in one end, far away from an output shaft of the motor (5), of the first cavity (11);

the cover body (2) comprises a main cover (21), the main cover (21) is connected with the first opening (111) in a sealing mode and is suitable for shielding the first opening (111), one side, away from the first opening (111), of the main cover (21) is provided with a flow guide surface (211), the flow guide surface (211) is arranged in an arc surface mode and is suitable for dispersing and guiding airflow flowing towards the main cover (21).

2. The motor protection structure according to claim 1,

the seat body (1) further comprises a second cavity (12), the second cavity (12) is arranged along the circumferential direction of the first opening (111), a second opening (121) is formed in the second cavity, and the second cavity (12) is communicated with the first cavity (11) and is suitable for accommodating a motor wire (51);

the lid (2) still includes line ball board (22), line ball board (22) with main lid (21) are connected the setting, and with second opening (121) detachably sealing connection, be suitable for to shelter from second opening (121).

3. The motor protection structure according to claim 2, characterized in that said second opening (121) is arranged in the same direction as said first opening (111).

4. The motor protection structure according to any one of claims 2-3, characterized in that the tension disc (22) and the main cover (21) are integrally formed.

5. The motor protection structure according to claim 4,

a plurality of first limiting parts (13) are circumferentially distributed on the inner wall of the first cavity (11), a plurality of second limiting parts (23) are arranged on one side, facing the first cavity (11), of the main cover (21), and the first limiting parts (13) are detachably clamped and connected with the second limiting parts (23).

6. The motor protection structure according to claim 5,

the first limiting piece (13) is arranged in a protruding mode along the inner wall of the first cavity (11) and comprises a first barb piece (131) extending along the circumferential direction and a first abutting piece (132) far away from the first barb piece (131) and extending along the axial direction;

the second limiting part (23) comprises a second barb part (231) arranged along the circumferential direction and a second abutting part (232) which is far away from the second barb part (231) and extends along the axial direction, and the second barb part (231) extends into the first cavity (11) under the action of external force and rotates to a limiting state connected with the first barb part (131) in a clamping mode along the first rotating direction.

7. The motor protection structure according to claim 6,

the second cavity (12) comprises a main cavity (122) and a wire groove (123), the main cavity (122) is adjacent to the first cavity (11) and communicated with the first cavity, and the wire groove (123) is connected with the main cavity (122) and extends in a direction far away from the first cavity (11);

the line ball board (22) includes mainboard (221) and extension board (222), extension board (222) with mainboard (221) are connected and are set up, and along keeping away from main lid (21) direction extends, mainboard (221) with main cavity (122) correspond sealing connection, extension board (222) with wire casing (123) correspond sealing connection.

8. The motor protection structure according to claim 7,

be provided with first connecting piece (14) on the outer wall of main cavity body (122), the outer edge of mainboard (221) is gone up the protrusion and is provided with second connecting piece (24), second connecting piece (24) have under the exogenic action and follow first turning to the rotation, and during spacing state, move to with the mounted position of main cavity body (122) outer wall butt mounted position, second connecting piece (24) with first connecting piece (14) detachably connects the setting.

9. The motor protection structure according to claim 7 or 8,

be provided with on the lateral wall of wire casing (123) along the protruding spacing arch (15) that set up of second opening (121) direction, be provided with spacing groove (25) that the opening side direction set up on the lateral wall of extension board (222), spacing groove (25) are established with second connecting piece (24) branch the both sides of line ball board (22) are suitable for when second connecting piece (24) move to mounted position, spacing groove (25) hold spacing arch (15), and with spacing arch (15) butt sets up.

10. The motor protection structure according to claim 1,

first cavity (11) orientation the one end of the output shaft of motor (5) still is provided with motor shaft hole (112) and a plurality of louvre (113), motor shaft hole (112) set up the tip medial side of first cavity (11), are suitable for the confession the output shaft of motor (5) passes through, and is a plurality of louvre (113) are followed motor shaft hole (112) week side distributes and sets up.

11. The utility model provides an air-out device which characterized in that includes:

the air passing channel is internally provided with an accommodating cavity and is also provided with an air inlet (3) and an air outlet (4);

the driving piece comprises a motor (5) and fan blades (6) arranged on an output shaft of the motor (5);

the protection structure of the motor (5) as claimed in any one of claims 1 to 10, wherein the protection structure of the motor (5) is disposed in the accommodating cavity, the motor (5) is disposed in the first cavity (11), and the flow guiding surface (211) is disposed toward the air inlet (3).

12. The air outlet device of claim 11, wherein the seat body (1) further comprises:

the outer ring piece (16) is sleeved on the outer side of the first cavity (11), is arranged concentrically with the first cavity (11), and is connected with the inner wall of the air passing channel;

and the supporting pieces (17) are connected with the outer wall of the first cavity (11) and the inner wall of the outer ring piece (16).

13. The air outlet device of claim 12, wherein the second cavity (12) of the seat body (1) is connected to the first cavity (11) and the outer ring (16), and the outer ring (16) is further provided with a wire passing hole communicated with the second cavity (12).

14. The air outlet device of claim 13, wherein the second cavity (12) and the supporting members (17) are disposed in a profiling manner, and the second cavity (12) and the supporting members (17) are uniformly distributed between the first cavity (11) and the outer ring member (16).

15. The air outlet device of any one of claims 11 to 14, wherein the air outlet device is a cooling fan.

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