CN209959541U

CN209959541U - Bearing seat of fan

Info

Publication number: CN209959541U
Application number: CN201920451850.1U
Authority: CN
Inventors: 毛金铎; 毛翔宇; 尚昭
Original assignee: Hebei Punade Fan Manufacturing Co Ltd
Current assignee: Hebei Punade Fan Manufacturing Co Ltd
Priority date: 2019-04-04
Filing date: 2019-04-04
Publication date: 2020-01-17
Anticipated expiration: 2029-04-04

Abstract

The utility model discloses a fan bearing seat, including pedestal, end cover and motor shaft, the end cover is fixed to be cup jointed in the top of pedestal, the motor shaft runs through pedestal and end cover, the washer groove has been seted up to the bottom in the pedestal, the rotor groove has been seted up to the bottom in washer groove, seal ring has been placed to the washer inslot, rotor inslot rotation installs the swivel, fixed cover has connect solid fixed ring on the motor shaft, gu fixed ring's outside fixed mounting has the stopper. This fan bearing frame rotates through the motor shaft and drives solid fixed ring and rotate, gu fixed ring passes through the stopper and drives the swivel becket rotation, the swivel becket drives seal ring and rotates, because the sealing washer rotates along with the motor shaft, consequently reduced the relative friction between seal ring and the motor shaft, the seal ring side can produce the friction damage with the inboard in gasket groove simultaneously, but seal ring's bottom can play sealed effect, therefore the wearing and tearing at edge do not influence seal ring's use.

Description

Bearing seat of fan

Technical Field

The utility model relates to a bearing frame technical field specifically is a fan bearing frame.

Background

In the use process of the fan, influenced by field conditions, sometimes the output shaft of the motor needs to be lengthened, the lengthened output shaft can shake and be unstable when rotating, therefore, a bearing seat is needed to be added for supporting the output shaft, when the bearing seat is used, in order to prevent the bearing from influencing the rotation of the output shaft and prevent the interior of the bearing seat from overheating, lubricating oil and cooling oil need to be added inwards, meanwhile, in order to prevent oil leakage, a sealing washer needs to be placed at a connecting port, however, because the installation position of a common bearing seat is far away from the motor, the output shaft at the position is easy to shake, the shake can extrude the sealing washer, the local pressure of the sealing washer is increased when rotating, when the bearing seat rotates relatively, the friction force is increased, the abrasion is serious, the sealing effect is reduced, and meanwhile, when the output shaft rotates, because the, therefore, air pressure is generated, and the air pressure can cause the internal oil level to rise rapidly and be sprayed out from the oil seal, so that dust is accumulated at the shaft, and the dynamic balance at the shaft is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model provides a following technical scheme: the utility model provides a fan bearing seat, includes pedestal, end cover and motor shaft, the end cover is fixed to be cup jointed in the top of pedestal, the motor shaft runs through pedestal and end cover, the oiling mouth has been seted up at the top of end cover, the gasket groove has been seted up to the bottom in the pedestal, the rotor plate groove has been seted up to the bottom in gasket groove, seal ring has been placed to the gasket inslot, rotor plate inslot rotation installs the rotating ring, the top of rotating ring and seal ring's bottom fixed connection, the spacing groove has been seted up to the inboard of rotating ring, rotating ring and motor shaft looks adaptation, fixed the cover has been cup jointed solid fixed ring on the motor shaft, gu fixed ring's outside fixed mounting has the stopper.

Preferably, the end cover comprises a connector, a limiting body and a top cover, the connector is fixedly mounted at the bottom of the limiting body, the limiting body is fixedly mounted at the bottom of the top cover, a buffer groove is formed in the inner side of the limiting body, and the diameter of the buffer groove is larger than the inner diameter of the top of the seat body.

Preferably, the diameter of the sealing washer is the same as that of the gasket groove, and the height of the sealing washer is the same as that of the gasket groove.

Preferably, the diameter of the gasket groove is larger than that of the rotor plate groove, and the diameter of the rotor plate groove is the same as the outer diameter of the rotating ring.

Preferably, the number of the limiting grooves and the number of the limiting blocks are four, and the four limiting grooves are respectively matched with the four limiting blocks.

The utility model discloses possess following beneficial effect:

1. this fan bearing frame, it rotates to drive solid fixed ring through the motor shaft and rotates, gu fixed ring passes through the stopper and drives the swivel becket rotation, the swivel becket drives seal ring and rotates, because the sealing washer rotates along with the motor shaft, consequently, the relative friction between seal ring and the motor shaft has been reduced, just also can reduce the damage to seal ring, the seal ring side can produce the friction damage with the inboard in gasket groove simultaneously, but seal ring's bottom can play sealed effect, consequently, the wearing and tearing at edge do not influence seal ring's use.

2. This fan bearing frame, through seting up the dashpot in the inboard of spacing body, the dashpot is located the interior higher position department of end cover, when the inside atmospheric pressure that produces of bearing frame, can cause the oil level to rise, when the oil level rises to dashpot department, because volume enlargement, can reduce the rising speed and the rising impact force of oil level, play fine cushioning effect to rising trend, prevent that oil from the blowout of oil blanket department.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a schematic structural view of the bottom of the present invention;

fig. 3 is an exploded view of the present invention;

fig. 4 is a schematic structural diagram of the end cap of the present invention.

In the figure: 1. a base body; 2. an end cap; 201. a linker; 202. a limiting body; 203. a top cover; 204. a buffer tank; 3. a motor shaft; 4. an oil filling port; 5. a gasket groove; 6. a wafer rotating groove; 7. a sealing gasket; 8. a rotating ring; 9. a limiting groove; 10. a fixing ring; 11. and a limiting block.

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. 1-4, including a base 1, an end cover 2 and a motor shaft 3, the end cover 2 is fixedly sleeved in the top of the base 1, the motor shaft 3 penetrates the base 1 and the end cover 2, the end cover 2 includes a connector 201, a limiting body 202 and a top cover 203, the connector 201 is fixedly mounted at the bottom of the limiting body 202, the limiting body 202 is fixedly mounted at the bottom of the top cover 203, a buffer groove 204 is formed at the inner side of the limiting body 202, the diameter of the buffer groove 204 is larger than the inner diameter of the top of the base 1, an oil injection port 4 is formed at the top of the end cover 2, a gasket groove 5 is formed at the bottom of the base 1, a rotor groove 6 is formed at the bottom of the gasket groove 5, the rotor groove 6 penetrates the bottom of the base 1, a sealing gasket 7 is placed in the gasket groove 5, the diameter of the sealing gasket 7 is the same as the diameter of the gasket groove 5, the height of the, a rotating ring 8 is rotatably arranged in the rotor groove 6, the rotating ring 8 and the fixing ring 10 are both made of steel, the hardness is high, the abrasion is not easy, the diameter of the gasket groove 5 is larger than that of the rotor groove 6, a sealing gasket 7 with the diameter larger than that of the rotor groove 6 can be placed, the contact surface between the rotor groove 6 and the rotating ring 8 is shielded, the oil leakage of the contact surface is prevented, the diameter of the rotor groove 6 is the same as the outer diameter of the rotating ring 8, the rotating ring 8 is movably sleeved with the rotor groove 6, the rotation of the rotating ring 8 is ensured not to be influenced by the rotor groove 6, the top of the rotating ring 8 is fixedly connected with the bottom of the sealing gasket 7, a limiting groove 9 is arranged on the inner side of the rotating ring 8, the rotating ring 8 is matched with the motor shaft 3, the fixing ring 10 is fixedly sleeved on the motor shaft 3, the fixing ring 10 is matched with the rotating ring 8, a limiting block 11, and four spacing grooves 9 are respectively with four stopper 11 looks adaptations, compare in single stopper 11, when driving swivel becket 8 and rotate, can make swivel becket 8 and stopper 11's atress more even, reduce the probability of damaging.

According to the working principle, when the motor shaft 3 rotates, the fixing ring 10 is driven to rotate, the fixing ring 10 can drive the rotating ring 8 to rotate in the rotating sheet groove 6 through the limiting block 11, and the rotating ring 8 drives the sealing gasket 7 to rotate in the gasket groove 5; when air pressure is generated inside the bearing housing, the oil level rises, and when the oil level rises to the buffer groove 204, the rising speed and rising impact force of the oil level can be reduced due to the sudden increase in the volume of the groove.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides a fan bearing frame, includes pedestal (1), end cover (2) and motor shaft (3), its characterized in that: the end cover (2) is fixedly sleeved in the top of the seat body (1), the motor shaft (3) penetrates through the seat body (1) and the end cover (2), the top of the end cover (2) is provided with an oil filling port (4), the bottom of the seat body (1) is provided with a gasket groove (5), a rotor groove (6) is arranged at the bottom of the gasket groove (5), a sealing gasket (7) is arranged in the gasket groove (5), a rotating ring (8) is rotatably arranged in the rotating sheet groove (6), the top of the rotating ring (8) is fixedly connected with the bottom of the sealing washer (7), the inner side of the rotating ring (8) is provided with a limit groove (9), the rotating ring (8) is matched with the motor shaft (3), the motor shaft (3) is fixedly sleeved with a fixing ring (10), and a limiting block (11) is fixedly mounted on the outer side of the fixing ring (10).

2. A fan bearing housing according to claim 1, wherein: the end cover (2) comprises a connecting body (201), a limiting body (202) and a top cover (203), wherein the connecting body (201) is fixedly installed at the bottom of the limiting body (202), the limiting body (202) is fixedly installed at the bottom of the top cover (203), a buffer groove (204) is formed in the inner side of the limiting body (202), and the diameter of the buffer groove (204) is larger than the inner diameter of the top of the seat body (1).

3. A fan bearing housing according to claim 1, wherein: the diameter of the sealing washer (7) is the same as that of the gasket groove (5), and the height of the sealing washer (7) is the same as that of the gasket groove (5).

4. A fan bearing housing according to claim 1, wherein: the diameter of the gasket groove (5) is larger than that of the rotor plate groove (6), and the diameter of the rotor plate groove (6) is the same as the outer diameter of the rotating ring (8).

5. A fan bearing housing according to claim 1, wherein: the number of the limiting grooves (9) and the number of the limiting blocks (11) are four, and the four limiting grooves (9) are respectively matched with the four limiting blocks (11).