CN216951867U

CN216951867U - Ventilation plug of fan bearing box

Info

Publication number: CN216951867U
Application number: CN202122171156.4U
Authority: CN
Inventors: 李其亮
Original assignee: Gucheng Juquan General Equipment Co ltd
Current assignee: Gucheng Juquan General Equipment Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-07-12
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses a ventilating plug of a fan bearing box, which comprises a ventilating plug, wherein the ventilating plug comprises a circular plug cap and a plug cylinder, the plug cylinder is connected below the circular plug cap, the surface of the circular plug cap is provided with a ventilating hole, a dustproof net is arranged inside the ventilating hole, the outer side of the plug cylinder is connected with an annular bulge, the inner part of the plug cylinder is connected with a buffer spring, the inner wall of the circular plug cap is provided with a built-in thread, the inner wall of the plug cylinder is provided with a longitudinal oil guide groove, the outermost layer of the annular bulge is provided with waterproof rubber, the inner part of the waterproof rubber is provided with a first plastic layer, the bottom of the first plastic layer is connected with a bending support sheet, and the bottom of the bending support sheet is connected with second plastic. The setting of built-in screw thread conveniently installs ventilative stopper, and is very convenient.

Description

Ventilation plug of fan bearing box

Technical Field

The utility model relates to the field of vent plugs, in particular to a vent plug of a fan bearing box.

Background

The fan can run for a long time under the working state, and in order to ensure the stable running of the fan, an oil storage tank is usually arranged in a fan bearing box of the fan, and the abrasion of a rotating shaft and a bearing in the running process is reduced by regularly replacing or filling lubricating oil into the oil storage tank.

The fan bearing needs to be kept in operation for a long time during use, and lubricating oil is slowly and irregularly filled into the bearing during the long-time operation, so that the bearing is kept in a lubricating state.

At present, when a fan bearing is used, lubricating oil is inconvenient to add, and the heat inside the fan bearing cannot be dissipated, so that a ventilation plug of a fan bearing box is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a ventilation plug of a fan bearing box.

In order to achieve the purpose, the utility model adopts the following technical scheme: a ventilation plug of a fan bearing box comprises a ventilation plug, wherein the ventilation plug comprises a circular plug cap and a ventilation plug column, an air plug column is connected below the circular plug cap, air holes are arranged on the surface of the circular plug cap, a dust screen is arranged inside the air hole, an annular bulge is connected with the outer side of the air plug column, the interior of the air plug column is connected with a buffer spring, the inner wall of the circular plug cap is provided with a built-in thread, the inner wall of the air plug column is provided with a longitudinal oil guide groove, the outermost layer of the annular bulge is provided with waterproof rubber, a first plastic layer is arranged inside the waterproof rubber, the bottom of the first plastic layer is connected with a bending support sheet, the bottom of the bent support sheet is connected with second plastic, a bearing box is arranged below the air-permeable plug, an access hole is connected above the bearing box, and a filter screen is arranged in the bearing box.

As a further description of the above technical solution:

the circular plug cap is cylindrical, the size of the circular plug cap is larger than that of the air plug column, and the air plug column is cylindrical.

As a further description of the above technical solution:

the inside at circular stopper cap is seted up to the bleeder vent, the quantity of bleeder vent is three, dust screen fixed connection is in the inside of bleeder vent, the size of bleeder vent is less than the size of circular stopper cap, built-in screw thread is seted up on the inner wall of circular stopper cap.

As a further description of the above technical solution:

protruding fixed connection of annular is in the outside of stopper post, waterproof rubber fixed connection is in the bellied outmost of annular, first plastic layer fixed connection is in waterproof rubber's below, the backing sheet fixed connection of buckling is between waterproof rubber and second plastics, second plastics fixed connection is in the bottom of the backing sheet of buckling, first plastic layer is the same with the width of second plastics, the width of the backing sheet of buckling is greater than the width of first plastic layer, the backing sheet of buckling is made by folding metallic aluminum.

As a further description of the above technical solution:

vertically lead the oil groove and set up in the inside of air plug post, vertically lead the quantity of oil groove and be two, vertically lead the oil groove size and be less than the size of air plug post, buffer spring fixed connection is in the inside of air plug post, buffer spring's size is less than the size of air plug post.

As a further description of the above technical solution:

the bearing box is placed below the ventilation plug, the filter screen is fixedly connected inside the bearing box, the size of the filter screen is smaller than that of the bearing box, the access hole is fixedly connected at the upper end of the bearing box, and the size of the ventilation plug is matched with that of the access hole.

The utility model has the following beneficial effects:

according to the utility model, the installation of the air-permeable plug is facilitated by the existence of the circular plug cap and the air plug column, the air-permeable plug is enabled to have certain air permeability by the arrangement of the air holes, the heat in the bearing box can be dissipated, the dust screen can prevent a backflow city from entering the interior of the bearing box, the arrangement of the built-in threads is convenient, the installation of the air-permeable plug is facilitated, the convenience is very convenient, the flexibility of the annular bulge can be ensured by the arrangement of waterproof rubber, the annular bulge can be conveniently blocked, certain stability is provided for the annular bulge by the first plastic layer and the second plastic layer, the bending support sheet is made of folded metal aluminum, the stability of the internal structure of the bending support sheet is ensured, certain variability is increased, lubricating oil can be added into the bearing box through the longitudinal oil guide groove, and the longitudinal oil guide groove is connected with the air holes.

Drawings

FIG. 1 is a schematic overall structure diagram of a ventilation plug of a fan bearing box provided by the utility model;

FIG. 2 is a schematic structural diagram of a circular plug cap of a ventilation plug of a fan bearing box, which is provided by the utility model;

FIG. 3 is a schematic view of an internal structure of a gas plug column of a ventilation plug of a fan bearing box according to the present invention;

FIG. 4 is a schematic plan view of the inside of an annular protrusion of a venting plug of a fan bearing housing according to the present invention;

fig. 5 is a schematic plan view of a bearing box of a ventilation plug of a fan bearing box according to the present invention.

Illustration of the drawings:

1. a venting plug; 2. a circular plug cap; 3. a plug cylinder; 4. air holes are formed; 5. a dust screen; 6. an annular projection; 7. a buffer spring; 8. internally arranging a thread; 9. a longitudinal oil guide groove; 10. waterproof rubber; 11. a first plastic layer; 12. bending the support sheet; 13. a second plastic material; 102. a bearing housing; 103. an access hole; 104. and (4) a filter screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to 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 simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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.

Referring to fig. 1-5, one embodiment of the present invention is provided: the utility model provides a fan bearing box ventilative stopper, including ventilative stopper 1, ventilative stopper 1 includes circular stopper cap 2 and stopper post 3, the below of circular stopper cap 2 is connected with stopper post 3, the surface of circular stopper cap 2 is provided with bleeder vent 4, the inside of bleeder vent 4 is provided with dust screen 5, the outside of stopper post 3 is connected with annular arch 6, the internal connection of stopper post 3 has buffer spring 7, be provided with built-in screw thread 8 on the inner wall of circular stopper cap 2, be provided with vertical oil groove 9 of leading on the inner wall of stopper post 3, the outermost of annular arch 6 is provided with waterproof rubber 10, the inside of waterproof rubber 10 is provided with first plastic layer 11, the bottom of first plastic layer 11 is connected with the backing sheet of buckling 12, the bottom of backing sheet 12 of buckling is connected with second plastics 13, the below of ventilative stopper 1 is provided with bearing box 102, the top of bearing box 102 is connected with and connects the hole 103, the inside of bearing box 102 is provided with filter screen 104.

In the utility model, the circular plug cap 2 is cylindrical, the size of the circular plug cap 2 is larger than that of the air plug column 3, the air plug column 3 is cylindrical, and the circular plug cap 2 and the air plug column 3 are provided to facilitate the installation of the air vent plug 1.

The inside at circular stopper cap 2 is seted up to bleeder vent 4, the quantity of bleeder vent 4 is three, 5 fixed connection of dust screen is in the inside of bleeder vent 4, the size of bleeder vent 4 is less than the size of circular stopper cap 2, built-in screw thread 8 is seted up on the inner wall of circular stopper cap 2, the setting of bleeder vent 4, make ventilative stopper 1 possess certain gas permeability, can give off the inside heat of bearing box 102, the inside that the non return city got into bearing box 102 can be prevented to the existence of dust screen 5, the setting of built-in screw thread 8, conveniently install ventilative stopper 1, it is very convenient.

Protruding 6 fixed connection of annular is in the outside of stopper post 3, waterproof rubber 10 fixed connection is at the outmost of the protruding 6 of annular, 11 fixed connection of first plastic layer is in waterproof rubber 10's below, it is between waterproof rubber 10 and second plastics 13 to buckle backing sheet 12 fixed connection, 13 fixed connection of second plastics is in the bottom of the backing sheet 12 of buckling, first plastic layer 11 is the same with the width of second plastics 13, the width of the backing sheet 12 of buckling is greater than the width of first plastic layer 11, the backing sheet 12 of buckling is made by folding metallic aluminum, the pliability of protruding 6 of annular can be guaranteed in waterproof rubber 10's setting, make it be convenient for block up, first plastic layer 11 and second plastics 13 give the protruding 6 certain stability that provides of annular, the backing sheet 12 of buckling is made by folding metallic aluminum, guarantee its inner structure's stability, certain variability has still been increased.

Vertically lead oil groove 9 and set up in the inside of stopper post 3, vertically lead the quantity of oil groove 9 and be two, vertically lead the size of oil groove 9 and be less than stopper post 3, buffer spring 7 fixed connection is in the inside of stopper post 3, and buffer spring 7's size is less than stopper post 3's size, can add lubricating oil to the inside of bearing box 102 through vertically leading oil groove 9, vertically lead oil groove 9 and connecting bleeder vent 4.

Bearing box 102 is placed in the below of ventilative stopper 1, and filter screen 104 fixed connection is in the inside of bearing box 102, and the size of filter screen 104 is less than the size of bearing box 102, and access hole 103 fixed connection is in the upper end of bearing box 102, and the size of ventilative stopper 1 holds size looks adaptation with access hole 103, and the existence of filter screen 104 can prevent the entering of dust, also gives the certain support of buffer spring 7 with.

The working principle and the using process thereof are as follows: the user is when using ventilative stopper 1, can insert inside the access hole 103 the gas stopper post 3 through circular stopper cap 2 and the combination of access hole 103, make access hole 103 plugged up, the existence of bleeder vent 4 can prevent that inside gas from circulating inadequately, cause atmospheric pressure to rise, vertically lead the installation of oil groove 9 and can add lubricating oil to inside, unusual convenience, the pliability of annular arch 6 can be guaranteed in waterproof rubber 10's setting, make it be convenient for block up, first plastic layer 11 and second plastics 13 give the protruding certain stability that 6 provided of annular, the backing sheet 12 of buckling is made by folding metallic aluminum, guarantee its inner structure's stability, certain variability has still been increased.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a fan bearing box ventilation plug, includes ventilation plug (1), its characterized in that: the air-permeable plug (1) comprises a circular plug cap (2) and an air plug column (3), the air plug column (3) is connected below the circular plug cap (2), air holes (4) are formed in the surface of the circular plug cap (2), a dust screen (5) is arranged inside the air holes (4), an annular bulge (6) is connected to the outer side of the air plug column (3), a buffer spring (7) is connected to the inner portion of the air plug column (3), built-in threads (8) are arranged on the inner wall of the circular plug cap (2), a longitudinal oil guide groove (9) is formed in the inner wall of the air plug column (3), waterproof rubber (10) is arranged on the outermost layer of the annular bulge (6), a first plastic layer (11) is arranged inside the waterproof rubber (10), a bending support sheet (12) is connected to the bottom of the first plastic layer (11), and a second plastic (13) is connected to the bottom of the bending support sheet (12), a bearing box (102) is arranged below the ventilation plug (1), an access hole (103) is connected to the upper portion of the bearing box (102), and a filter screen (104) is arranged inside the bearing box (102).

2. The fan bearing box breather plug of claim 1, wherein: the round plug cap (2) is cylindrical, the size of the round plug cap (2) is larger than that of the plug column (3), and the plug column (3) is cylindrical.

3. The fan bearing box breather plug of claim 1, wherein: set up in the inside of circular gag cap (2) bleeder vent (4), the quantity of bleeder vent (4) is three, dust screen (5) fixed connection is in the inside of bleeder vent (4), the size of bleeder vent (4) is less than the size of circular gag cap (2), built-in screw thread (8) are set up on the inner wall of circular gag cap (2).

4. The fan bearing box breather plug of claim 1, wherein: protruding (6) fixed connection of annular is in the outside of stopper post (3), waterproof rubber (10) fixed connection is outermost in the protruding (6) of annular, first plastic layer (11) fixed connection is in the below of waterproof rubber (10), the backing sheet (12) fixed connection of buckling is between waterproof rubber (10) and second plastics (13), second plastics (13) fixed connection is in the bottom of backing sheet (12) of buckling, first plastic layer (11) are the same with the width of second plastics (13), the width of backing sheet (12) of buckling is greater than the width of first plastic layer (11), the backing sheet (12) of buckling is made by folding metal aluminium.

5. The fan bearing box breather plug of claim 1, wherein: vertically lead oil groove (9) and set up the inside in stopper post (3), vertically lead the quantity of oil groove (9) and be two, vertically lead the size that oil groove (9) size is less than stopper post (3), buffer spring (7) fixed connection is in the inside of stopper post (3), the size of buffer spring (7) is less than the size of stopper post (3).

6. The fan bearing box vent plug of claim 1, wherein: the bearing box (102) is placed below the vent plug (1), the filter screen (104) is fixedly connected inside the bearing box (102), the size of the filter screen (104) is smaller than that of the bearing box (102), the access hole (103) is fixedly connected to the upper end of the bearing box (102), and the size of the vent plug (1) is matched with that of the access hole (103).