CN219242308U

CN219242308U - Rotor assembly and heating ventilation equipment

Info

Publication number: CN219242308U
Application number: CN202320865847.0U
Authority: CN
Inventors: 黄涛; 程庆庆
Original assignee: Chongqing Institute Of Urban Science And Technology
Current assignee: Chongqing Institute Of Urban Science And Technology
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-06-23
Anticipated expiration: 2033-04-18

Abstract

The utility model discloses a rotor assembly and heating ventilation equipment, which comprises a rotor assembly and a rotor shaft fixedly arranged on the rotor assembly, wherein a heat dissipation fan is spliced and matched on the rotor shaft and is divided into a base and fan blades according to the structure, and the heating ventilation equipment also comprises: the connecting assembly comprises a polygonal butt-joint shell fixedly mounted on the rotor shaft, a butt-joint cavity is formed in the base, the polygonal butt-joint shell is inserted into the butt-joint cavity, a plurality of nail-shaped columns are movably arranged on the polygonal butt-joint shell, and a plurality of boring holes are formed in the base. According to the rotor assembly and the heating ventilation equipment, the pin columns are used for extruding the nail-shaped columns and inserting the nail-shaped columns into the bored holes, so that the polygonal butt joint shell is locked in the base, the rotor shaft and the cooling fan are installed and fixed, vibration generated when the rotor shaft rotates can be buffered under the elastic deformation effect of the arc-shaped elastic piece, the vibration transmitted to the cooling fan is reduced, the stability of the cooling fan is improved, and detachment and falling are not easy to occur.

Description

Rotor assembly and heating ventilation equipment

Technical Field

The utility model relates to the technical field of heating ventilation equipment manufacturing, in particular to a rotor assembly and heating ventilation equipment.

Background

The heating and ventilation is a general term for heating and ventilating the environment, and the adopted equipment related to heating and ventilation is heating and ventilation equipment, such as an air conditioner taking air as a heating medium, a ventilation pipeline, a control device, a water heating boiler, a radiator, electric heating equipment and the like.

According to publication (bulletin) No.: CN108551219a, publication (date): 2018-09-18, a rotor assembly and an electric machine are disclosed, the rotor assembly comprising: the rotor comprises a rotor shaft, a rotor core and a damping part, wherein the rotor core surrounds the rotor shaft, the rotor shaft is spaced from the rotor core, and a plurality of permanent magnets are arranged on the rotor core at intervals along the circumferential direction of the rotor core; at least a part of the damping portion is filled between the rotor core and the rotor shaft, and the damping portion connects the rotor core and the rotor shaft into a whole. According to the rotor assembly provided by the embodiment of the utility model, the shock absorption and shock resistance of the rotor assembly can be improved.

In the prior art including above-mentioned patent, because the ventilation and heating equipment need dispel the heat to equipment through rotatory flabellum at the during operation, and the flabellum needs to be connected with the rotor shaft in order to guarantee to dispel the heat normal operating, but common flabellum is comparatively loaded down with trivial details when being connected with the rotor shaft, and because the vibrations that the rotor shaft rotated produced cause the flabellum to take place to break away from the condition that drops easily.

Disclosure of Invention

The utility model aims to provide a rotor assembly and heating ventilation equipment, which solve the problem that after a fan blade is connected with a rotor shaft in an installation way, the fan blade is easy to separate and fall off due to vibration generated by the rotor shaft.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a rotor assembly, includes rotor assembly and the rotor shaft of fixed mounting on it, the grafting is fitted with the radiator fan on the rotor shaft, the radiator fan divide into base, flabellum according to the structure, still includes:

the connecting assembly comprises a polygonal butt-joint shell fixedly mounted on a rotor shaft, a butt-joint cavity is formed in a base, the polygonal butt-joint shell is inserted into the butt-joint cavity, a plurality of nail-shaped columns are movably arranged on the polygonal butt-joint shell, and a plurality of boring holes are formed in the base, wherein:

a baffle disc is movably arranged on the base, a pin column is fixedly arranged on the baffle disc, and the pin column is matched with the nail column so that the nail column is inserted into the boring hole;

the damping component comprises a plurality of arc-shaped elastic pieces which are fixedly arranged on the baffle disc, a plurality of clamping holes are formed in the rotor shaft, and the arc-shaped elastic pieces are matched with the clamping holes to lock the radiating fan.

Preferably, the base is provided with a circular groove, and a first elastic piece is fixedly arranged between the baffle disc and the circular groove.

Preferably, a pin hole is formed in the rotor shaft, and the pin post is matched with the pin hole to lock the heat dissipation fan.

Preferably, a second elastic piece is fixedly arranged between the nail-shaped column and the polygonal butt-joint shell, and the second elastic piece is annularly arranged outside the nail-shaped column.

Preferably, the polygonal butt joint shell is provided with a polygonal concave hole, the base is provided with a butt joint concave hole, and a shock pad is fixedly arranged between the polygonal concave hole and the butt joint concave hole.

Preferably, the baffle disc is fixedly provided with a guide rod, the guide rod is fixedly provided with a third elastic piece, and the arc-shaped elastic piece is fixedly arranged on the third elastic piece.

Preferably, the first elastic member is specifically a tension spring.

Preferably, the second elastic member is specifically a spring.

Preferably, the third elastic member is specifically a stainless steel metal sheet.

A heating ventilation apparatus comprising the rotor assembly of the above aspects.

In the technical scheme, the rotor assembly and the heating ventilation equipment provided by the utility model have the following beneficial effects: through inserting the polygon butt joint shell into the butt joint intracavity of seting up on the base for the radiator fan is difficult to take place the skew when rotating under the effect of polygon, increases the stability when the radiator fan rotates, and a plurality of nail type posts of round pin post extrusion simultaneously are and insert it in the bore hole, then accomplish polygon butt joint shell locking in the base, so that the rotor shaft is firm installs fixedly with the radiator fan, make the radiator fan can not take place to break away from when rotating and drop, the vibrations that produce when the rotor shaft rotates can be cushioned under the elastic deformation effect of arc elastic component, thereby reduce the vibrations that transmit to the radiator fan, so that the radiator fan is more firm and be difficult to take place to break away from when rotating and drop.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of a rotor assembly and a heat dissipating fan according to an embodiment of the present utility model;

FIG. 2 is a schematic side cross-sectional view of a rotor assembly and a heat dissipating fan according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of an exploded construction of a rotor assembly and a heat dissipating fan according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of an exploded construction of a rotor assembly, a heat dissipating fan, a connecting assembly, and a damper assembly according to an embodiment of the present utility model;

fig. 5 is an enlarged schematic structural diagram of a according to an embodiment of the present utility model;

fig. 6 is an enlarged schematic structural diagram of B according to an embodiment of the present utility model;

fig. 7 is an enlarged schematic structural diagram of C according to an embodiment of the present utility model;

fig. 8 is an enlarged schematic structural diagram of D according to an embodiment of the present utility model;

fig. 9 is an enlarged schematic structural diagram of E according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a rotor assembly; 11. a rotor shaft; 2. a heat dissipation fan; 21. a base; 22. a fan blade; 3. a connection assembly; 31. polygonal butt-joint shells; 32. a butt joint cavity; 33. a baffle disc; 34. a pin; 35. a first elastic member; 351. a circular groove; 36. a pin hole; 37. a spike column; 38. boring; 39. a second elastic member; 310. polygonal concave holes; 311. butt joint concave holes; 312. a shock pad; 4. a shock absorbing assembly; 41. a guide rod; 42. a third elastic member; 43. an arc-shaped elastic member; 44. and (5) clamping the hole.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-9, a rotor assembly and heating ventilation equipment, including a rotor assembly 1 and a rotor shaft 11 fixedly installed thereon, a heat dissipation fan 2 is inserted and matched on the rotor shaft 11, the heat dissipation fan 2 is divided into a base 21 and fan blades 22 according to the structure, and further includes:

the coupling assembling 3, it includes the polygon butt joint shell 31 of fixed mounting on rotor shaft 11, has offered butt joint chamber 32 on the base 21, and polygon butt joint shell 31 peg graft in butt joint chamber 32, and the activity is provided with a plurality of nail type posts 37 on the polygon butt joint shell 31, has offered a plurality of bore holes 38 on the base 21, wherein:

the base 21 is movably provided with a baffle plate 33, the baffle plate 33 is fixedly provided with a pin column 34, and the pin column 34 is matched with a nail-shaped column 37 so that the nail-shaped column 37 is inserted into a boring 38;

the damper assembly 4 includes a plurality of arc-shaped elastic members 43 fixedly arranged on the baffle disc 33, a plurality of clamping holes 44 are formed in the rotor shaft 11, and the arc-shaped elastic members 43 are matched with the clamping holes 44 to lock the heat dissipation fan 2.

Specifically, as shown in fig. 1, 2, 5 and 6, the rotor assembly 1 is mounted in front of a heat dissipation fin of a heating and ventilation device, and wind generated when the heat dissipation fan 2 connected to the rotor assembly 1 rotates is directed to the heat dissipation fin, the polygonal docking shell 31 may be a shell with a shape of three sides or more, the pin 34 penetrates the base 21 and is located in the docking cavity 32, the bore 38 is communicated with the docking cavity 32, the arc-shaped elastic member 43 is fixedly provided with a damping pad, and the damping pad is abutted in the clamping hole 44. Through inserting polygon butt joint shell 31 into the butt joint chamber 32 of seting up on the base 21 for radiator fan 2 is difficult to take place the skew when rotating under the effect of polygon, increase the stability when radiator fan 2 rotates, a plurality of nail type posts 37 are extruded to the round pin post 34 simultaneously and insert it in bore hole 38, then accomplish polygon butt joint shell 31 locking in base 21, so that rotor shaft 11 firm and radiator fan 2 install fixedly, make radiator fan 2 can not take place to break away from when rotating and drop, the vibrations that produce when rotor shaft 11 rotates can be buffered under the elastic deformation effect of arc elastic component 43, thereby reduce the vibrations that transmit to radiator fan 2, so that radiator fan 2 is more firm and be difficult to take place to break away from when rotating and drop.

As a further embodiment of the present utility model, the base 21 is provided with a circular groove 351, and the first elastic member 35 is fixedly installed between the baffle 33 and the circular groove 351.

Specifically, as shown in fig. 5 and 9, the stopper 33 abuts against the base 21, and the first elastic member 35 is disposed in the circular groove 351. The retaining plate 33 is abutted against the base 21 by the first elastic member 35 in the initial state so that the retaining plate 33 is not separated from the base 21, and when the heat radiation fan 2 is connected with the rotor shaft 11, the pin 34 can be always abutted against the nail-shaped column 37, so that the nail-shaped column 37 is inserted into the boring 38 to keep the locking state.

As a further embodiment of the present utility model, pin holes 36 are formed in rotor shaft 11, and pins 34 cooperate with pin holes 36 to lock heat dissipating fan 2.

Specifically, as shown in fig. 5, the pin 34 penetrates the polygonal docking shell 31 and is inserted into the pin hole 36, and the pin 34 maintains the same number of sides as the polygonal docking shell 31. The pin 34 passes through the polygonal butt-joint shell 31 and is fixedly inserted into the pin hole 36, so that the pin 34 can be in locking connection with the rotor shaft 11 while the pin 37 is pressed, the locking length of the pin 34 and the rotor shaft 11 is prolonged, and the stability of the heat radiation fan 2 during rotation is additionally improved.

As another embodiment further provided by the present utility model, a second elastic member 39 is fixedly installed between the nail-shaped column 37 and the polygonal docking shell 31, and the second elastic member 39 is annularly arranged outside the nail-shaped column 37.

Specifically, as shown in fig. 5 and 8, the cross section of the nail-shaped column 37 is in a "T" shape, so that the second elastic member 39 and the "T" shaped protrusion of the nail-shaped column 37 remain fixed, and the nail-shaped column 37 is received in the polygonal docking shell 31 when the second elastic member 39 is in the initial state. The nail-shaped column 37 is accommodated in the polygonal butting shell 31 through the second elastic piece 39 in the initial state, so that the polygonal butting shell 31 is conveniently inserted into the butting cavity 32, and the second elastic piece 39 is elastically deformed only when the pin 34 presses the nail-shaped column 37, so that the nail-shaped column 37 penetrates through the side wall of the polygonal butting shell 31 and is inserted into the boring hole 38, and the polygonal butting shell 31 and the base 21 are conveniently locked.

As still another embodiment of the present utility model, a polygonal concave hole 310 is formed in the polygonal docking shell 31, a docking concave hole 311 is formed in the base 21, and a shock pad 312 is fixedly installed between the polygonal concave hole 310 and the docking concave hole 311.

Specifically, as shown in fig. 4, 5 and 8, the docking recess 311 is connected to the docking cavity 32, and the shock pad 312 and the polygonal docking shell 31 have the same number of sides, and the shock pad 312 is coated with glue and fixed to the polygonal docking shell 31 and the base 21. Vibration generated by the rotation of the rotor shaft 11 can be buffered by the shock pad 312 provided between the polygonal docking case 31 and the base 21 to reduce the vibration transmitted to the heat dissipating fan 2, thereby increasing the stability of the heat dissipating fan 2 in rotation.

As still another embodiment of the present utility model, the baffle plate 33 is fixedly provided with a guide rod 41, the guide rod 41 is fixedly provided with a third elastic member 42, and the arc-shaped elastic member 43 is fixedly provided on the third elastic member 42.

Specifically, as shown in fig. 5, 6 and 7, the guide rod 41 penetrates through the base 21, and an angle between the third elastic member 42 and the guide rod 41 in an initial state is 120 °. The shock absorbed by the arc-shaped elastic member 43 can be further buffered when being transferred to the third elastic member 42 which is obliquely arranged, so that the shock transferred to the heat dissipation fan 2 is additionally reduced, and meanwhile, the plurality of arc-shaped elastic members 43 can keep locking fit with the clamping holes 44 under the pressing action of the elastic deformation force of the third elastic member 42, so that the installation stability of the heat dissipation fan 2 and the rotor shaft 11 is increased.

As still another embodiment further provided by the present utility model, the first elastic member 35 is embodied as a tension spring.

The pin 34 can be kept in plug-in fit with the pin hole 36 through the first elastic piece 35 of the tension spring, so that the pin 34 is prevented from being separated from the pin hole 36 to cause the lack of extrusion of the nail-shaped column 37, and the condition that the nail-shaped column 37 is separated from the boring 38 is further avoided.

As a further embodiment of the present utility model, the second elastic member 39 is embodied as a spring.

The nail-shaped column 37 can be contained in the polygonal butt-joint shell 31 when the second elastic piece 39 of the spring is used for keeping the initial state, so that the polygonal butt-joint shell 31 is convenient to be in plug-in fit with the butt-joint cavity 32.

As yet another embodiment further provided by the present utility model, the third elastic member 42 is embodied as a stainless steel metal sheet.

The damping pad fixedly mounted on the arc-shaped elastic piece 43 can be abutted in the clamping hole 44 under the action of the third elastic piece 42 of the stainless steel metal sheet when the third elastic piece is in an initial state, so that the locking effect of the third elastic piece 42 on the rotor shaft 11 is improved.

Working principle: by inserting the polygonal abutting shell 31 into the abutting cavity 32 formed in the base 21, simultaneously, the pin 34 fixedly installed on the baffle disc 33 penetrates through the polygonal abutting shell 31 and is in plug-in fit with the pin hole 36, the pin 34 extrudes the plurality of nail-shaped columns 37 and inserts the nail-shaped columns into the boring holes 38, and meanwhile, the polygonal abutting shell 31 is locked in the base 21 along with elastic deformation of the second elastic piece 39, so that the rotor shaft 11 is firmly installed and fixed with the cooling fan 2, the cooling fan 2 cannot be separated and dropped in rotation, when the cooling fan 2 needs to be disassembled, the baffle disc 33 is pulled to separate the pin 34 from the pin hole 36, and the pin-shaped columns are removed from the polygonal abutting shell 31, at the moment, the second elastic piece 39 recovers elastic deformation to enable the nail-shaped columns 37 to be contained in the polygonal abutting shell 31, and then the polygonal abutting shell 31 is taken out from the abutting cavity 32, so that the disassembly of the cooling fan 2 is completed.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides a rotor assembly, includes rotor assembly (1) and last fixed mounting's rotor shaft (11), peg graft on rotor shaft (11) and cooperate with radiator fan (2), radiator fan (2) divide into base (21), flabellum (22) according to the structure, its characterized in that still includes:

coupling assembling (3), it includes polygonal butt joint shell (31) of fixed mounting on rotor shaft (11), offer butt joint chamber (32) on base (21), polygonal butt joint shell (31) peg graft in butt joint chamber (32), the activity is provided with a plurality of nail type posts (37) on polygonal butt joint shell (31), a plurality of bore holes (38) have been seted up on base (21), wherein:

a baffle disc (33) is movably arranged on the base (21), a pin column (34) is fixedly arranged on the baffle disc (33), and the pin column (34) is matched with a nail column (37) so that the nail column (37) is inserted into the boring hole (38);

the damping component (4) comprises a plurality of arc-shaped elastic pieces (43) fixedly arranged on the baffle disc (33), a plurality of clamping holes (44) are formed in the rotor shaft (11), and the arc-shaped elastic pieces (43) are matched with the clamping holes (44) to lock the radiating fan (2).

2. A rotor assembly according to claim 1, wherein the base (21) is provided with a circular groove (351), and a first elastic member (35) is fixedly arranged between the baffle disc (33) and the circular groove (351).

3. A rotor assembly according to claim 1, wherein the rotor shaft (11) is provided with pin holes (36), and the pins (34) cooperate with the pin holes (36) to lock the heat dissipating fan (2).

4. A rotor assembly according to claim 1, wherein a second elastic member (39) is fixedly mounted between the nail-shaped column (37) and the polygonal butt-joint housing (31), and the second elastic member (39) is annularly arranged outside the nail-shaped column (37).

5. A rotor assembly according to claim 1, wherein the polygonal butt-joint housing (31) is provided with a polygonal concave hole (310), the base (21) is provided with a butt-joint concave hole (311), and a shock pad (312) is fixedly arranged between the polygonal concave hole (310) and the butt-joint concave hole (311).

6. A rotor assembly according to claim 1, wherein a guide rod (41) is fixedly mounted on the baffle disc (33), a third elastic member (42) is fixedly mounted on the guide rod (41), and the arc-shaped elastic member (43) is fixedly mounted on the third elastic member (42).

7. A rotor assembly according to claim 2, wherein the first resilient member (35) is embodied as a tension spring.

8. A rotor assembly according to claim 4, wherein the second resilient member (39) is embodied as a spring.

9. A rotor assembly according to claim 6, wherein the third resilient member (42) is embodied as a stainless steel sheet metal.

10. A heating ventilation apparatus comprising a rotor assembly as claimed in any one of claims 1 to 9.