CN211397986U

CN211397986U - Environment-friendly low-noise fan for farm

Info

Publication number: CN211397986U
Application number: CN201922287174.1U
Authority: CN
Inventors: 赵文伦; 赵运超
Original assignee: Shandong Zhongmai Wanda Agricultural Equipment Co ltd
Current assignee: Shandong Zhongmai Wanda Agricultural Equipment Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-09-01
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses an environmental protection low noise fan is used on farm, concretely relates to fan equipment field, including fan blade axle, the fixed surface of fan blade axle is equipped with bearing assembly, bearing assembly's fixed surface is equipped with the stand pipe, the fixed surface of stand pipe is connected with the fixed block, and the fixed block keeps away from the one end fixedly connected with of stand pipe and seals up the pipe, the both ends of fan blade axle are equallyd divide and are do not run through the both ends that seal up the pipe. The utility model discloses a to seal the inside of depositing the pipe and pour into emollient, when fan blade axle rotated, the guide way on fan blade axle surface can make emollient flow to the one end of depositing the pipe to make emollient bump to bearing assembly, make bearing assembly's inside be full of emollient, thereby make bearing assembly inner assembly obtain the lubrication, thereby reduce the noise that fan blade axle rotated the production, thereby it is less to realize this fan noise when using, reach energy-concerving and environment-protective purpose.

Description

Environment-friendly low-noise fan for farm

Technical Field

The utility model relates to a fan equipment field, more specifically say, the utility model relates to a farm is with environmental protection low noise fan.

Background

The fan is a driven fluid machine which can increase the pressure of gas and discharge the gas by means of input mechanical energy, and the main structural components of the fan are an impeller, a shell, an air inlet, a support, a motor, a belt pulley, a coupling, a silencer, a transmission part (a bearing) and the like.

However, in the prior art, in practical use, the bearing technology adopted by the fan is mainly single/double ball bearings, and the single/double ball bearings are all spheres, so that the friction force is small, the service life is long, and the running noise is large.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a farm is with environmental protection low noise fan, the utility model aims to solve the technical problem that: how to reduce the noise when the fan uses.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an environmental protection low noise fan for farm, includes fan blade axle, the fixed surface of fan blade axle is equipped with bearing assembly, the fixed surface of bearing assembly is equipped with the stand pipe, the fixed surface of stand pipe is connected with the fixed block, and the fixed block keeps away from the one end fixedly connected with of stand pipe and seals up the pipe, the both ends of fan blade axle are equallyd divide and are do not run through the both ends that seal up the pipe, and the surface of fan blade axle and the inner wall rotation that seals up the pipe are connected, the surface of fan blade axle is equipped with the guide way, the inner wall fixedly connected with sealing washer of sealing up the pipe, and the surface of the corresponding sealing washer position of fan blade axle has seted up the seal groove, the inner wall of seal groove is connected with the inner wall rotation.

When the fan blade shaft is used, the lubricant is poured into the sealing tube, when the fan blade shaft rotates, the guide groove on the surface of the fan blade shaft can enable the lubricant to flow towards one end of the sealing tube and collide against one of the bearing assemblies, the interior of one of the bearing assemblies is filled with the lubricant, the interior assembly of one of the bearing assemblies is lubricated, noise generated by rotation of the fan blade shaft is reduced, the noise of the fan is low in use, the fan is environment-friendly, when the lubricant penetrating through one of the bearing assemblies is blocked by the sealing ring, one side of the sealing ring corresponding to the guide tube is also stained with the lubricant, the sealing ring and the sealing groove can rotate easily, friction force between the sealing groove and the sealing ring is reduced, and the lubricant penetrating through one of the bearing assemblies is blocked by the sealing ring and passes through the sealing tube, And the gap between the fixed block and the guide pipe returns to the other end of the sealing pipe again, and the lubricant enters the guide pipe from the other end of the sealing pipe, so that the lubricant can pass through the other bearing assembly, and the lubricating effect on the other bearing assembly is achieved.

In a preferred embodiment, the number of the fixed blocks is six, and the six fixed blocks are annularly arranged between the outer surface of the guide pipe and the inner wall of the containment pipe, so that six cavities are formed between the guide pipe and the containment pipe by the six fixed blocks, and can be used for flowing lubricating oil.

In a preferred embodiment, the number of the bearing assemblies is two, and the two bearing assemblies are symmetrically arranged on the inner wall of the guide tube about the vertical axis of the midpoint of the guide tube, so that the balance of the fan blade shaft can be maintained through the two bearing assemblies in use.

In a preferred embodiment, the number of the sealing grooves and the sealing rings is two, and the two sealing grooves are symmetrically arranged on the inner wall of the containment tube with respect to the vertical axis of the midpoint of the containment tube as a symmetry axis, so that the two groups of sealing rings and the two sealing grooves can seal two ends of the inner wall of the containment tube, and lubricant inside the containment tube is prevented from leaking out of two ends of the fan blade shaft.

In a preferred embodiment, the bearing assembly comprises an outer ring and an inner ring, a retaining ring is rotatably connected between the outer ring and the inner ring, a retaining groove is formed in the middle of the retaining ring and penetrates through two ends of the retaining ring, balls are rotatably connected to the inner wall of the retaining groove, the surfaces of the balls are respectively rotatably connected with the inner wall of the outer ring and the outer surface of the inner ring, the outer ring and the inner ring can stably rotate relative to each other through cooperation among the outer ring, the inner ring, the retaining ring and the balls, gaps are reserved among the outer ring, the inner ring, the retaining ring and the balls, and lubricant can conveniently enter the bearing assembly to lubricate the outer ring, the inner ring, the retaining ring and the balls.

In a preferred embodiment, the radian of the retaining groove is matched with the radian of the ball in a rotating mode, and one third of the ball is positioned in the retaining groove, so that the retaining groove can play a role in limiting the ball.

In a preferred embodiment, a connecting ring is fixedly connected to the surface of the fan blade shaft corresponding to the side wall of one end of the sealing tube, a limiting ring is fixedly connected to the end of the connecting ring away from the fan blade shaft, limiting seats are fixedly connected to both ends of the side wall of the sealing tube, and the inner wall of each limiting seat is rotatably connected to the surface of the limiting ring.

In a preferred embodiment, the number of the connecting rings is four, every two connecting rings are a group, and the two groups of connecting rings are respectively arranged at two ends of the sealed tube, so that the connecting rings, the limiting rings and the limiting seat are matched with each other, the rotation of the fan blade shaft can be guided, the fan blade shaft is prevented from radially jumping, and the leakage of lubricating oil can be further avoided.

The utility model discloses a technological effect and advantage:

lubricant is poured into the inside of the sealing pipe, when the fan blade shaft rotates, the guide groove on the surface of the fan blade shaft can enable the lubricant to flow to one end of the sealing pipe, the lubricant is collided to the bearing assembly, the lubricant is filled in the bearing assembly, the bearing assembly inner assembly is lubricated, the noise generated by rotation of the fan blade shaft is reduced, the noise of the fan is low when the fan is used, the purposes of energy conservation and environmental protection are achieved, compared with the prior art, the noise of the fan is low when the fan is used, and the fan is environment-friendly.

Drawings

Fig. 1 is a front sectional view of the overall structure of the present invention.

Fig. 2 is an enlarged view of a portion a of fig. 1 according to the present invention.

Fig. 3 is a front sectional view of the bearing assembly structure of the present invention.

Fig. 4 is a side sectional view of the guide tube structure of the present invention.

Fig. 5 is a schematic view of the fan blade shaft structure of the present invention.

The reference signs are: 1. a fan blade shaft; 2. a bearing assembly; 21. an outer ring; 22. an inner ring; 23. a retaining ring; 24. a holding groove; 25. a ball bearing; 3. a guide tube; 4. a fixed block; 5. sealing the storage tube; 6. a seal ring; 7. a sealing groove; 8. a connecting ring; 9. a limiting ring; 10. a limiting seat.

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.

The utility model provides an environmental protection low noise fan is used on farm, including fan blade axle 1, the fixed surface of fan blade axle 1 is equipped with bearing assembly 2, bearing assembly 2's fixed surface is equipped with stand pipe 3, the fixed surface of stand pipe 3 is connected with fixed block 4, and fixed block 4 keeps away from the one end fixedly connected with of stand pipe 3 and seals up the pipe 5, the both ends of fan blade axle 1 are equallyd divide and are do not run through the both ends that seal up the pipe 5, and the surface of fan blade axle 1 rotates with the inner wall that seals up the pipe 5 and be connected, the surface of fan blade axle 1 is equipped with the guide way, the inner wall fixedly connected with sealing washer 6 that seals up the pipe 5, and the surface of the corresponding sealing washer 6 positions of fan blade axle 1 has seted up seal groove 7, the inner wall of seal groove 7 is connected with the inner wall rotation of sealing washer 6.

The quantity of fixed block 4 is six, and six fixed blocks 4 are the annular setting between the surface of stand pipe 3 and the inner wall of sealing up the pipe 5.

The number of the bearing assemblies 2 is two, and the two bearing assemblies 2 are symmetrically arranged on the inner wall of the guide tube 3 by taking the vertical axis of the midpoint of the guide tube 3 as a symmetry axis.

The number of the sealing grooves 7 and the number of the sealing rings 6 are two, and the two sealing grooves 7 are symmetrically arranged on the inner wall of the sealing pipe 5 about the vertical axis of the midpoint of the sealing pipe 5.

The bearing assembly 2 comprises an outer ring 21 and an inner ring 22, a retaining ring 23 is rotatably connected between the outer ring 21 and the inner ring 22, a retaining groove 24 is formed in the middle of the retaining ring 23, the retaining groove 24 penetrates through two ends of the retaining ring 23, a ball 25 is rotatably connected to the inner wall of the retaining groove 24, and the surface of the ball 25 is respectively rotatably connected with the inner wall of the outer ring 21 and the outer surface of the inner ring 22.

The radian of the retaining groove 24 is matched with the radian of the ball 25 in a rotating way, and one third of the ball 25 is positioned in the retaining groove 24.

The surface fixed connection who keeps off 5 one end lateral walls of the corresponding seal of fan flabellum axle 1 has a clamping ring 8, the clamping ring 8 is kept away from the one end fixedly connected with spacing collar 9 of fan flabellum axle 1, the equal fixedly connected with spacing seat 10 in both ends of 5 lateral walls of seal up, and the inner wall of spacing seat 10 rotates with the surface of spacing collar 9 to be connected.

The quantity of clamping ring 8 is four, and per two clamping ring 8 be a set of, and is two sets of clamping ring 8 sets up respectively at the both ends of sealing up and depositing pipe 5.

As shown in fig. 1 to 5, the embodiment specifically is: the working principle and the beneficial effect are that the embodiment specifically solves the problems that in the prior art, single/double ball bearings are all spheres, so that the friction force is small, the service life is long, and the running noise is high.

The utility model discloses the theory of operation:

referring to the attached drawings 1-5 of the specification, when in use, by filling the inside of the containment tube 5 with a lubricant, when the fan blade shaft 1 rotates, the guide groove on the surface of the fan blade shaft 1 enables the lubricant to flow towards one end of the containment tube 5 and enables the lubricant to collide with one of the bearing assemblies 2, so that the inside of one of the bearing assemblies 2 is filled with the lubricant, thereby the inside components of one of the bearing assemblies 2 are lubricated, thereby reducing the noise generated by the rotation of the fan blade shaft 1, so that the fan is less noisy when in use, and is more environment-friendly, when the lubricant passing through one of the bearing assemblies 2 is blocked by the sealing ring 6, and the side of the sealing ring 6 corresponding to the guide tube 3 is also stained with the lubricant, so that the sealing ring 6 and the sealing groove 7 are more easily rotated, thereby reducing the friction force between the sealing groove 7 and the sealing ring 6, the lubricant passing through one of the bearing assemblies 2 is blocked by the sealing ring 6 and passes through the gap between the containment tube 5, the fixed block 4 and the guide tube 3, returns to the other end of the containment tube 5, and allows the lubricant to enter the guide tube 3 from the other end of the containment tube 5, so that the lubricant passes through the other bearing assembly 2, thereby having a lubricating effect on the other bearing assembly 2.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a farm is with environmental protection low noise fan, includes fan blade axle (1), its characterized in that: the surface of the fan blade shaft (1) is fixedly provided with a bearing assembly (2), the outer surface of the bearing assembly (2) is fixedly provided with a guide pipe (3), the outer surface of the guide pipe (3) is fixedly connected with a fixed block (4), and one end of the fixed block (4) far away from the guide pipe (3) is fixedly connected with a sealing pipe (5), both ends of the fan blade shaft (1) respectively penetrate through both ends of the sealing and storing pipe (5), the surface of the fan blade shaft (1) is rotationally connected with the inner wall of the sealing and storing pipe (5), the surface of the fan blade shaft (1) is provided with a guide groove, the inner wall of the sealing and storing pipe (5) is fixedly connected with a sealing ring (6), and the surface of the fan blade shaft (1) corresponding to the position of the sealing ring (6) is provided with a sealing groove (7), the inner wall of the sealing groove (7) is rotatably connected with the inner wall of the sealing ring (6).

2. The environmentally friendly and low noise blower for farms according to claim 1, wherein: the quantity of fixed block (4) is six, and six fixed blocks (4) are the annular setting between the surface of stand pipe (3) and the inner wall of sealing up and depositing pipe (5).

3. The environmentally friendly and low noise blower for farms according to claim 1, wherein: the number of the bearing assemblies (2) is two, and the two bearing assemblies (2) are symmetrically and axially arranged on the inner wall of the guide pipe (3) relative to the vertical axis of the midpoint of the guide pipe (3).

4. The environmentally friendly and low noise blower for farms according to claim 1, wherein: the number of the sealing grooves (7) and the number of the sealing rings (6) are two, and the two sealing grooves (7) are symmetrically and axially symmetrically arranged on the inner wall of the sealing pipe (5) relative to the vertical axis of the midpoint of the sealing pipe (5).

5. The environmentally friendly and low noise blower for farms according to claim 1, wherein: the bearing assembly (2) comprises an outer ring (21) and an inner ring (22), a retaining ring (23) is rotatably connected between the outer ring (21) and the inner ring (22), a retaining groove (24) is formed in the middle of the retaining ring (23), the retaining groove (24) penetrates through two ends of the retaining ring (23), a ball (25) is rotatably connected to the inner wall of the retaining groove (24), and the surface of the ball (25) is rotatably connected with the inner wall of the outer ring (21) and the outer surface of the inner ring (22) respectively.

6. The environmentally friendly and low-noise blower for farms according to claim 5, wherein: the radian of the holding groove (24) is matched with the radian of the ball (25) in a rotating way, and one third of the ball (25) is positioned in the holding groove (24).

7. The environmentally friendly and low noise blower for farms according to claim 1, wherein: the utility model discloses a fan blade shaft, including fan blade shaft (1), the corresponding surface fixedly connected with clamping ring (8) of sealing up of keeping in pipe (5) one end lateral wall, the one end fixedly connected with spacing collar (9) of fan blade shaft (1) are kept away from in clamping ring (8), the equal fixedly connected with spacing seat (10) in both ends of sealing up pipe (5) lateral wall, and the inner wall of spacing seat (10) is connected with the surface rotation of spacing collar (9).

8. The environmentally friendly and low noise blower for farms according to claim 7, wherein: the quantity of clamping ring (8) is four, and per two clamping ring (8) are a set of, and are two sets of clamping ring (8) set up respectively at the both ends of sealing up and depositing pipe (5).