CN210780267U

CN210780267U - Outer rotor mechanism for ventilation equipment

Info

Publication number: CN210780267U
Application number: CN201922196245.7U
Authority: CN
Inventors: 周仙梁
Original assignee: Hangzhou Jiarun Electric Appliance Co Ltd
Current assignee: Hangzhou Jiarun Electric Appliance Co Ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-06-16
Anticipated expiration: 2029-12-10

Abstract

The utility model discloses an external rotor mechanism for ventilation unit, including central main part, rotor and outer end cover, the connecting hole has been seted up to the inside intermediate position of central main part, and the outside of central main part is connected with the stator support, first mounting hole has all been seted up to the upper and lower surface of central main part, the upper and lower surface of stator support all is fixed with the lug, and the outside of stator support installs the stator, the rotor sets up in the outside of stator, and the outside of rotor installs the rotor support, the second mounting hole has all been seted up to the upper and lower surface of rotor support, and the left side outer wall of rotor support is provided with first opening, outer end cover installs in the upper and lower both sides of central main part, third mounting hole and fourth mounting hole have all been seted up to the upper and lower surface of outer end cover, and the fourth mounting hole is located the outside of third mounting hole. This outer rotor mechanism for ventilation unit is convenient for be connected with the axis of rotation, not only installs easy operation, also dismantles the maintenance for the later stage simultaneously and provides convenience.

Description

Outer rotor mechanism for ventilation equipment

Technical Field

The utility model relates to a machine part technical field specifically is outer rotor mechanism for ventilation equipment.

Background

The outer rotor motor has the characteristics of space saving, compact design and attractive appearance, is suitable for being installed in an impeller, has the best cooling effect, does not need a V-shaped belt, an additional tension belt or other equipment, uses a pair of sealed deep groove ball bearings, has long service life, can minimize vibration by using the high-precision ball bearings, and has low operation noise, and common ventilation equipment can be driven by using the outer rotor motor.

However, the outer rotor mechanism in the current market is not convenient to mount and connect with the rotating shaft in the using process, the whole outer rotor mechanism is troublesome to assemble and operate, and is not easy to disassemble in the later period, so that the subsequent maintenance is troublesome.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ventilation equipment is with outer rotor mechanism to the outer rotor mechanism on the existing market who proposes in solving above-mentioned background art is not convenient for carry out erection joint with the axis of rotation in the use, and the equipment troublesome poeration of whole outer rotor mechanism, and later stage difficult dismantlement leads to follow-up maintenance more trouble problem.

In order to achieve the above object, the utility model provides a following technical scheme: the outer rotor mechanism for the ventilation equipment comprises a center main body, a rotor and an outer end cover, wherein a connecting hole is formed in the middle position inside the center main body, a stator support is connected to the outer side of the center main body, first mounting holes are formed in the upper surface and the lower surface of the center main body, protruding blocks are fixed to the upper surface and the lower surface of the stator support, a stator is mounted on the outer side of the stator support, the rotor is arranged on the outer side of the stator, a rotor support is mounted on the outer side of the rotor, second mounting holes are formed in the upper surface and the lower surface of the rotor support, a first notch is formed in the outer wall of the left side of the rotor support, a second notch is formed in the outer wall of the right side of the rotor support, the outer end cover is mounted on the upper side and the lower side of the center main body, a third mounting hole and a fourth mounting hole are formed in, the inner surface of the outer end cover is provided with a pressing block, and a clamping groove is formed in the pressing block.

Preferably, the connecting holes are uniformly provided with grooves, and the grooves are in a strip structure.

Preferably, the vertical center line of the first mounting hole and the vertical center line of the third mounting hole are overlapped, and the number of the second mounting holes is identical to that of the fourth mounting holes.

Preferably, the convex blocks are distributed in a central symmetry mode about the central point of the central main body, and the convex blocks are matched with the pressing block through the clamping grooves to form a clamping structure.

Preferably, the cross-sectional structure of the first gap is an arc-shaped structure, and the structure of the second gap is a wedge-shaped structure.

Preferably, the outer end covers are distributed up and down symmetrically about a horizontal center line of the central body, and the outer end covers are connected with the central body and the rotor support through bolts.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the outer rotor mechanism for the ventilation equipment is provided with the connecting hole which is mainly used for connecting and fixing the rotating shaft of the motor, and the elongated grooves are uniformly arranged in the connecting hole, so that the connecting hole is matched with the spline shape of the rotating shaft, the connecting structure not only can play a role in limiting and positioning the connection of the rotating shaft, and the connecting of the rotating shaft is more convenient, but also enhances the connection stability between the rotating shaft and the connecting hole compared with a smooth connecting hole;

2. the opening positions of the first mounting hole and the second mounting hole in the central main body are respectively matched with the opening positions of the third mounting hole and the fourth mounting hole in the outer end cover, so that the outer end cover and the central main body can be fixed by screwing bolts into the two corresponding groups of mounting holes, the mounting operation is simple, convenience is provided for later-stage disassembly and maintenance, and the outer end cover is accurately positioned between the central main body and the outer end cover by utilizing the clamping action between the convex block and the clamping groove, so that the connection between the convex block and the clamping groove is convenient;

3. the first opening and the second opening which are different in shape are formed in the outer side of the rotor support, a melting space of welding rods is reserved for welding connection of the whole follow-up outer rotor structure and other parts, welding connection is facilitated, the inner parts are wrapped by the outer end cover which is arranged on the whole outer rotor structure, an effective protection effect is achieved, the parts are prevented from being exposed and easily corroded and damaged, meanwhile, the outer end cover is mainly fixedly connected with the center main body and the rotor support, a sufficient space range is created for work of the stator and the rotor, and long-term stability of work of the stator and the rotor is guaranteed.

Drawings

Fig. 1 is a schematic top view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the present invention;

fig. 3 is a schematic view of a part of an enlarged structure at a in fig. 2 according to the present invention.

In the figure: 1. a central body; 2. connecting holes; 3. a stator support; 4. a first mounting hole; 5. a bump; 6. a stator; 7. a rotor; 8. a rotor support; 9. a second mounting hole; 10. a first gap; 11. a second gap; 12. an outer end cover; 13. a third mounting hole; 14. briquetting; 15. a card slot; 16. and a fourth mounting hole.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the outer rotor mechanism for the ventilation equipment comprises a center main body 1, a connecting hole 2, a stator support 3, a first mounting hole 4, a convex block 5, a stator 6, a rotor 7, a rotor support 8, a second mounting hole 9, a first opening 10, a second opening 11, an outer end cover 12, a third mounting hole 13, a pressing block 14, a clamping groove 15 and a fourth mounting hole 16, wherein the connecting hole 2 is formed in the middle of the inner portion of the center main body 1, the stator support 3 is connected to the outer side of the center main body 1, grooves are uniformly formed in the connecting hole 2, the grooves are of a strip-shaped structure, the connecting hole 2 is mainly used for connecting and fixing a rotating shaft of a motor, and the strip-shaped grooves are uniformly formed in the connecting hole 2, so that the connecting hole is matched with a spline of the rotating shaft in shape, a limiting and positioning effect can be achieved on the connection of the rotating shaft, and the connection of, meanwhile, compared with the smooth connecting hole 2, the stability of the connection between the rotating shaft and the connecting hole 2 is also enhanced;

the upper surface and the lower surface of the central main body 1 are respectively provided with a first mounting hole 4, the upper surface and the lower surface of the stator support 3 are respectively fixed with a lug 5, the outer side of the stator support 3 is provided with a stator 6, a rotor 7 is arranged on the outer side of the stator 6, the outer side of the rotor 7 is provided with a rotor support 8, the upper surface and the lower surface of the rotor support 8 are respectively provided with a second mounting hole 9, the outer wall of the left side of the rotor support 8 is provided with a first notch 10, the outer wall of the right side of the rotor support 8 is provided with a second notch 11, the cross-sectional structure of the first notch 10 is of an arc-shaped structure, the structure of the second notch 11 is of a wedge-shaped structure, the first notch 10 and the second notch 11 which are arranged on the outer side of the rotor support 8 in different shapes are provided, a welding space of welding rods is reserved for the subsequent welding connection of the whole outer rotor structure, the outer end covers 12 are distributed in an up-down symmetrical mode about a horizontal center line of the central main body 1, the outer end covers 12 are connected with the central main body 1 and the rotor support 8 through bolts, the outer end covers 12 of the whole outer rotor structure are arranged to wrap internal parts, an effective protection effect is achieved, the parts are prevented from being exposed and easily corroded and damaged, meanwhile, the outer end covers 12 are mainly fixedly connected with the central main body 1 and the rotor support 8, an enough space range is created for the work of the stator 6 and the rotor 7, and the long-term stability of the work of the stator 6 and the rotor 7 is guaranteed;

the upper surface and the lower surface of the outer end cover 12 are both provided with a third mounting hole 13 and a fourth mounting hole 16, the fourth mounting hole 16 is positioned at the outer side of the third mounting hole 13, the vertical central line of the first mounting hole 4 is coincident with the vertical central line of the third mounting hole 13, the number of the second mounting hole 9 is identical with that of the fourth mounting hole 16, the positions of the first mounting hole 4 and the second mounting hole 9 on the central main body 1 are respectively identical with the positions of the third mounting hole 13 and the fourth mounting hole 16 on the outer end cover 12, therefore, the outer end cover 12 and the central main body 1 can be fixed by screwing bolts in the two corresponding groups of mounting holes, the mounting operation is simple, the convenience is provided for later-stage dismounting and maintenance, the inner surface of the outer end cover 12 is provided with a pressing block 14, the pressing block 14 is internally provided with a clamping groove 15, the protruding blocks 5 are symmetrically distributed about the center point of the central main body 1, and the lug 5 is mutually matched with the pressing block 14 through the clamping groove 15 to form a clamping structure, and the lug 5 and the clamping groove 15 can be mutually clamped, so that the outer end cover 12 can be accurately positioned with the central main body 1 by utilizing the clamping effect between the lug 5 and the clamping groove 15, the connection between the lug 5 and the clamping groove 15 is convenient, and meanwhile, the alignment between the groups of mounting holes is also convenient.

The working principle is as follows: for the outer rotor mechanism for the ventilation equipment, firstly, assuming that the whole structure is in a split state, firstly, two outer end covers 12 respectively face the upper part and the lower part of a central main body 1, then a bump 5 is buckled in a clamping groove 15 of a pressing block 14, so that the pressing block 14 presses a stator support 3, the outer end covers 12 are contacted with the central main body 1 and a rotor support 8, a first mounting hole 4 and a third mounting hole 13 are mutually overlapped, a second mounting hole 9 and a fourth mounting hole 16 are mutually overlapped, then bolts are respectively screwed into each group of mounting holes, so that the outer end covers 12 are fixed with the central main body 1 and the rotor support 8, at the moment, the two outer end covers 12 wrap a stator 6 and a rotor 7 in the inner part and carry out protection on the stator and the rotor 7, then, a rotating shaft is inserted in a connecting hole 2, so that a spline of the rotating shaft is mutually clamped with a groove in, if the whole outer rotor structure is required to be fixed with other external parts, welding rods are welded at the first gap 10 and the second gap 11 to be fixedly connected, and therefore the using process of the whole outer rotor mechanism for the ventilation equipment is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Outer rotor mechanism for ventilation equipment, including central main part (1), rotor (7) and outer end cover (12), its characterized in that: the inner middle position of the center main body (1) is provided with a connecting hole (2), the outer side of the center main body (1) is connected with a stator support (3), the upper surface and the lower surface of the center main body (1) are provided with first mounting holes (4), the upper surface and the lower surface of the stator support (3) are fixed with lugs (5), the outer side of the stator support (3) is provided with a stator (6), a rotor (7) is arranged on the outer side of the stator (6), the outer side of the rotor (7) is provided with a rotor support (8), the upper surface and the lower surface of the rotor support (8) are provided with second mounting holes (9), the outer wall of the left side of the rotor support (8) is provided with a first notch (10), the outer wall of the right side of the rotor support (8) is provided with a second notch (11), and the outer end covers (12) are arranged on the upper side and, third mounting hole (13) and fourth mounting hole (16) have all been seted up to the upper and lower surface of outer end cover (12), and fourth mounting hole (16) are located the outside of third mounting hole (13), the interior surface mounting of outer end cover (12) has briquetting (14), and inside draw-in groove (15) have been seted up to briquetting (14).

2. An outer rotor mechanism for a ventilating device according to claim 1, wherein: grooves are uniformly formed in the connecting holes (2), and the grooves are of a strip structure.

3. An outer rotor mechanism for a ventilating device according to claim 1, wherein: the vertical center line of the first mounting hole (4) and the vertical center line of the third mounting hole (13) are overlapped, and the number of the second mounting holes (9) is identical to that of the fourth mounting holes (16).

4. An outer rotor mechanism for a ventilating device according to claim 1, wherein: the convex blocks (5) are distributed in a central symmetry mode about the central point of the central main body (1), and the convex blocks (5) are matched with the pressing block (14) through the clamping grooves (15) to form a clamping structure.

5. An outer rotor mechanism for a ventilating device according to claim 1, wherein: the cross-sectional structure of the first gap (10) is an arc-shaped structure, and the structure of the second gap (11) is a wedge-shaped structure.

6. An outer rotor mechanism for a ventilating device according to claim 1, wherein: the outer end covers (12) are distributed in an up-down symmetrical mode about a horizontal center line of the central main body (1), and the outer end covers (12) are connected with the central main body (1) and the rotor support (8) through bolts.