CN218992138U

CN218992138U - Self-lubricating copper bush for fan

Info

Publication number: CN218992138U
Application number: CN202221987226.1U
Authority: CN
Inventors: 陈保仕; 李朋飞
Original assignee: Dongguan Junhe Precision Hardware Co ltd
Current assignee: Dongguan Junhe Precision Hardware Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2023-05-09
Anticipated expiration: 2032-07-29

Abstract

The utility model relates to the technical field of copper sleeves, in particular to a self-lubricating copper sleeve for a fan. The self-lubricating copper sleeve for the fan comprises a copper sleeve main body and a connecting sleeve which are connected; the connecting sleeve is arranged at the bottom of the copper sleeve main body, a round groove which is upwards opened is arranged at the bottom of the connecting sleeve, and a positioning toothed ring is arranged on the outer wall of the connecting sleeve; the copper sleeve main body is provided with a through hole communicated with the circular groove, and the diameter of the through hole is smaller than that of the circular groove; the outer wall of the copper bush main body is provided with a filling hole which is inwards opened to be communicated with the through hole, and the filling hole is filled with a graphite body; a baffle ring extending downwards is arranged in the circular groove at the outer side of the through hole, an annular cavity is formed between the baffle ring and the circular groove, and viscous glue is filled in the annular cavity; the baffle ring is connected with an extrusion ring in a sliding manner, and a gap is formed between the extrusion ring and the circular groove. The utility model solves the problem that the prior copper bush needs to be manually added with a lubricant.

Description

Self-lubricating copper bush for fan

Technical Field

The utility model relates to the technical field of copper sleeves, in particular to a self-lubricating copper sleeve for a fan.

Background

Copper bushings, also known as copper bushings, include machine copper rollers, copper bearings, and the like. The material is used for equipment such as automobiles, fans and the like, and is an important component in machinery. The high-hardness wear-resistant alloy has high hardness, excellent wear resistance, difficult occurrence of seizure phenomenon, good casting performance and cutting processability, and good corrosion resistance in the atmosphere and fresh water.

The existing copper bush is often required to be manually added with a lubricant in the use process so as to ensure the self lubricity of the copper bush, and then certain inconvenience exists.

Therefore, there is a need to provide a solution to the above-mentioned problems.

Disclosure of Invention

The utility model provides a self-lubricating copper sleeve for a fan, which aims to solve the problem that the existing copper sleeve is inconvenient because a lubricant is always required to be added manually to ensure the self-lubricating property of the copper sleeve.

In order to achieve the above object, the present utility model provides a self-lubricating copper sleeve for a fan, comprising a copper sleeve main body and a connecting sleeve connected with each other, wherein:

the connecting sleeve is arranged at the bottom of the copper sleeve main body, a round groove which is upwards opened is arranged at the bottom of the connecting sleeve, and a positioning toothed ring is arranged on the outer wall of the connecting sleeve; the top of the copper bush main body is provided with a through hole which is downwards communicated with the circular groove, and the diameter of the through hole is smaller than that of the circular groove; the outer wall of the copper bush main body is provided with a filling hole which is inwards opened to be communicated with the through hole, and the filling hole is filled with a graphite body; a baffle ring extending downwards is arranged in the circular groove at the outer side of the through hole, an annular cavity is formed between the baffle ring and the circular groove, and viscous glue is filled in the annular cavity; the baffle ring is connected with an extrusion ring in a sliding manner, and a gap is formed between the extrusion ring and the circular groove.

More specifically, the inner wall of the filling hole is provided with an anti-slip structure.

More specifically, a plurality of filling holes are distributed on the copper sleeve main body to form a plurality of hole groups, the hole groups are distributed in a layered mode, and each filling hole in two adjacent hole groups is staggered.

More specifically, a baffle plate extends out of the outer side of the extrusion ring and is contacted with the wall surface of the circular groove; a plurality of gaps are formed in the partition plate, and a blocking film is adhered in the gaps.

More specifically, the outside cover of copper sheathing main part is equipped with the sheath, the sheath with the connecting sleeve links to each other.

More specifically, a plurality of heat dissipation holes are formed in the outer side of the sheath, and the positions of the heat dissipation holes are staggered with the positions of the filling holes.

More specifically, the sheath is made of copper material.

The utility model provides a self-lubricating copper sleeve for a fan, which has the technical effects that:

1. this application fills into the graphite body in the copper sheathing main part for fan during operation rubs copper sheathing main part wall, and the graphite body is evenly scribbled on copper sheathing main part wall after by the friction, forms stable lubricating film, realizes high-efficient self-lubricating effect, makes fan rotation resistance reduce, and the energy consumption reduces. The design makes the copper bush main body have a long-acting self-lubricating effect, and does not need to manually add a lubricant, so that the copper bush is more convenient to use.

2. This application adopts the connecting sleeve to realize the copper sheathing main part and the connection of fan, through exerting pressure to the extrusion ring when the fan connecting seat is connected, makes the clearance outflow of viscous glue along the extrusion ring to be connected with the fan connecting seat, this design improves the convenience of copper sheathing installation, and has improved the connection stability of fan connecting seat and copper sheathing through the design of location ring gear.

Drawings

Fig. 1 is a schematic structural view of a self-lubricating copper sleeve for a fan according to the present utility model;

FIG. 2 is a schematic view of a self-lubricating copper sleeve for fans according to another view angle of the present utility model;

FIG. 3 is a schematic cross-sectional view of a self-lubricating copper sleeve for a fan according to the present utility model;

fig. 4 is an enlarged schematic view at a in fig. 3.

The marks in the figure:

1-copper sleeve main body; 2-connecting the sleeve; 3-graphite body; 4, a sheath;

11-a through hole; 12-filling the hole;

21-a circular groove; 22-positioning a toothed ring; 23-a baffle ring; 24-adhesive glue; 25-pressing ring; 26-a separator; 27-notch; 28-blocking film;

41-heat dissipation holes;

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the embodiments of the present utility model, it should be understood that the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In order to more clearly illustrate the technical solution of the present utility model, a preferred embodiment is provided below, and referring specifically to fig. 1 to 4, a self-lubricating copper sleeve for a fan includes a copper sleeve main body 1 and a connecting sleeve 2 connected to each other, wherein:

the connecting sleeve 2 is arranged at the bottom of the copper bush main body 1, a circular groove 21 which is arranged upwards is arranged at the bottom of the connecting sleeve, and a positioning toothed ring 22 is arranged on the outer wall of the connecting sleeve 2; the top of the copper bush main body 1 is provided with a through hole 11 which is downwards opened to be communicated with the circular groove 21, and the diameter of the through hole 11 is smaller than that of the circular groove 21; the outer wall of the copper bush main body 1 is provided with a filling hole 12 which is inwards opened to be communicated with the through hole 11, and the filling hole 12 is internally filled with a graphite body 3; a baffle ring 23 extending downwards is arranged in the circular groove 21 at the outer side of the through hole 11, an annular cavity is formed between the baffle ring 23 and the circular groove 21, and viscous glue 24 is filled in the annular cavity; the baffle ring 23 is slidably connected with an extrusion ring 25, and a gap is arranged between the extrusion ring 25 and the circular groove 21.

In this embodiment, the design of filling the graphite body 3 in the copper bush main body 1 is adopted, so that the wall surface of the copper bush main body 1 is rubbed during the operation of the fan, the graphite body 3 is uniformly coated on the wall surface of the copper bush main body 1 after being rubbed, a stable lubricating film is formed, a high-efficiency self-lubricating effect is realized, the rotation resistance of the fan is reduced, and the energy consumption is reduced. This design makes copper sheathing main part 1 has long-term self-lubricating effect, need not artifical the interpolation lubricant, makes the use of copper sheathing more convenient.

Traditional copper sheathing is installed on the fan through simple fastener, leads to overall stability comparatively general, and result in use and working property receive certain influence. So in this embodiment, add the connecting sleeve 2 and make the connection of copper sheathing main part 1 and fan, through exerting pressure to the extrusion ring 25 when the fan connecting seat is connected, make the viscous glue follow extrusion ring 25's clearance flows out to be connected with the fan connecting seat, this design improves the convenience of copper sheathing installation, and has just improved the connection stability of fan connecting seat and copper sheathing through the design of location ring gear 22.

As a preferable aspect of the present embodiment, an anti-slip structure (not shown in the drawings) is provided on the inner wall of the filling hole 12. The anti-slip structure is used for increasing the friction force between the graphite body 3 and the copper bush main body 1, namely, the installation stability of the graphite body 3 is improved.

Preferably, the anti-slip structure is an anti-slip pattern formed by inward protrusions of the wall surface of the filling hole 12.

Preferably, the anti-slip structure is an anti-slip bump formed by inward facing protrusions of the wall of the filling hole 12.

As a preferable solution of this embodiment, a plurality of filling holes 12 are arranged on the copper sleeve main body 1 to form a plurality of hole groups, the plurality of hole groups are distributed in a layered manner, and each filling hole 12 in two adjacent hole groups is staggered. The graphite body 3 is uniformly distributed by the design, so that graphite powder generated by the graphite body can be uniformly distributed on the wall surface of the through hole 11, and the lubrication quality is ensured.

As a preferable solution of this embodiment, a partition plate 26 extends from the outer side of the pressing ring 25, and the partition plate 26 contacts with the wall surface of the circular groove 21; a plurality of notches 27 are formed in the partition plate 26, and a blocking film 28 is adhered in the notches 27. The design of the baffle film 28 makes the copper bush block the viscous glue before use, so as to avoid the glue from leaking outwards, when the copper bush is mounted on the fan, the fan connecting seat applies pressure to the extrusion ring 25, the glue in the annular cavity generates impact force to break the baffle film, and the viscous glue can flow outwards to be contacted with the fan connecting seat.

As a preferable scheme of this embodiment, a sheath 4 is sleeved on the outer side of the copper sleeve main body 1, and the sheath 4 is connected with the connecting sleeve 2. The sheath 4 protects the copper bush main body 1 and prolongs the service life of the copper bush main body 1.

As a preferable solution of this embodiment, a plurality of heat dissipation holes 41 are formed on the outer side of the sheath 4, and the positions of the heat dissipation holes 41 are staggered with the positions of the filling holes 12. The design of the heat dissipation holes 41 improves the contact area between the copper bush main body 1 and the air, so that the copper bush main body 1 maintains better heat dissipation performance.

As a preferred solution of this embodiment, the sheath 4 is made of copper material. The sheath 4 made of copper material has stable structure and better heat conductivity, so that the overall heat dissipation performance of the copper sleeve is better.

The self-lubricating copper sleeve solves the problem that the existing copper sleeve is inconvenient because lubricating substances are required to be added manually to ensure the self-lubricating property in the use process through reasonable structural arrangement.

The above-mentioned embodiments of the present utility model are not limited to the above-mentioned embodiments, but can be modified, equivalent, and improved within the spirit and principle of the present utility model, and the present utility model is also included in the scope of the present utility model.

Claims

1. A self-lubricating formula copper sheathing for fan, its characterized in that: including copper sheathing main part and the connecting sleeve that are connected, wherein:

2. The self-lubricating copper sleeve for a fan according to claim 1, wherein: and an anti-slip structure is arranged on the inner wall of the filling hole.

3. The self-lubricating copper sleeve for a fan according to claim 1, wherein: the filling holes are distributed on the copper sleeve main body to form a plurality of hole groups, the hole groups are distributed in a layered mode, and each filling hole in two adjacent hole groups is staggered.

4. The self-lubricating copper sleeve for a fan according to claim 1, wherein: a baffle plate extends out of the outer side of the extrusion ring and is contacted with the wall surface of the circular groove; a plurality of gaps are formed in the partition plate, and a blocking film is adhered in the gaps.

5. The self-lubricating copper sleeve for a fan according to claim 1, wherein: the outside cover of copper sheathing main part is equipped with the sheath, the sheath with the connecting sleeve links to each other.

6. The self-lubricating copper sheathing for a fan as defined in claim 5, wherein: and a plurality of heat dissipation holes are formed in the outer side of the sheath, and the positions of the heat dissipation holes are staggered with the positions of the filling holes.

7. The self-lubricating copper sheathing for a fan as defined in claim 5, wherein: the sheath is made of copper material.