CN218000329U

CN218000329U - Lightweight wear-resistant chain wheel

Info

Publication number: CN218000329U
Application number: CN202221963358.0U
Authority: CN
Inventors: 魏刚; 魏子涵
Original assignee: Nanjing Jinniu Mechanical Manufacture Co ltd
Current assignee: Nanjing Jinniu Mechanical Manufacture Co ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2022-12-09
Anticipated expiration: 2032-07-28

Abstract

The utility model discloses a lightweight wear-resistant chain wheel, which comprises a wheel body, wherein a plurality of teeth are arranged on the edge array of the wheel body, an oil storage tank is arranged on the surface of the wheel body and is communicated with a plurality of tooth gaps through an oil outlet hole, and a groove cover is arranged on the notch of the oil storage tank and is detachably connected with the wheel body; the advantages are that: the oil storage tank with the tank cover is matched with the oil outlet hole, so that long-time oil supply between tooth gaps of the chain wheel is realized.

Description

Lightweight wear-resistant chain wheel

Technical Field

The utility model relates to a wear-resisting sprocket of lightweight.

Background

The chain wheel is commonly used on the structure of a chain transmission machine, the most common chain wheel in reality is used on the engines of bicycles, motorcycles and automobiles and some machines related to chain transmission, the thickness of the gear of the chain wheel can be different according to different use scenes, and the service life of one chain wheel is generally related to the manufacturing materials and maintenance; in order to seek light weight, like bicycles and special machines related to chain transmission, a sprocket is often made thinner and subjected to larger force loss, so that maintenance of the thinner sprocket is more important, and the maintenance is most common and effective, namely, lubricating oil is added to teeth and tooth gaps of the sprocket, so that the loss caused by friction is reduced when the teeth are matched with a chain, and the service life of the sprocket and the chain is prolonged; most of the existing chain wheels are lubricated by using a brush or directly dripping lubricating oil on a chain or a gear, and then the chain wheels are rotated to uniformly smear the lubricating oil on the chain wheel teeth, tooth gaps and the chain, so that the lubricating oil can effectively lubricate and reduce friction loss, but can not be kept for a long time, the continuous lubricating time is too short, the lubricating oil can be quickly evaporated particularly in a high-temperature environment, and the long-time lubricating effect can not be achieved, the existing chain wheels only have an oil storage groove with a shallow depth on the surface of the oil storage groove to retain a small part of lubricating oil, the lubricating time can be prolonged, but the lubricating time can not be increased too much, and more lubricating oil is dried in the air; and more existing products do not have oil storage grooves for retaining lubricating oil.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is that the existing chain wheel can not retain the lubricating oil for lubrication for a long time, so that the long-time chain lubrication and maintenance can not be performed, and even if some existing products can retain a small part of the lubricating oil, the lubricating time can not be increased too much; the problem is directed to a lightweight wear-resisting sprocket, including the wheel body, wheel body edge array is equipped with a plurality of teeth, and the wheel body has seted up the oil storage tank on the surface, and the oil storage tank passes through a plurality of tooth gaps of oil outlet intercommunication, and the oil storage tank notch is equipped with the capping, and the capping is connected with the wheel body is detachable.

It is right to the utility model discloses technical scheme's preferred, capping and wheel body bolt cooperation, bolt cooperation can make capping inseparabler to the condition of oil leak can not appear.

It is right the utility model discloses technical scheme's preferred, the oil storage tank is the annular, is equipped with the oil scraper ring in the oil storage tank, and the oil scraper ring is the oil output for reducing the oil outlet, prevents that the oil outlet oil output is too big, when causing the waste, just also means to reduce the time of continuous lubrication.

It is right the utility model discloses technical scheme's preferred, the big footpath size of slinger is less than the big footpath of oil storage tank, and the ring body disconnection breach of slinger is in order to leave the gap like this, lets the lubricating oil in the oil storage tank get into between the gap that forms between slinger and the oil storage tank from the breach of slinger disconnection to slowly flow out.

It is right the utility model discloses technical scheme's preferred, the lightening hole is seted up at the wheel body center, and lightening hole pore wall array is equipped with a plurality of mounts, has seted up the mounting hole on the mount, and the benefit of design like this can be seted up and fall more wheel bodies, makes its more lightweight.

It is right the utility model discloses technical scheme's preferred, the mount becomes triangle-shaped, and the mounting hole is seted up at the apex angle end of mount, has seted up the biasing lightening hole on triangle-shaped's the mount, and triangle-shaped is more pleasing to the eye, and the size is better to be calculated, and the biasing lightening hole is for further lightweight.

Compared with the prior art, the utility model beneficial effect who has is:

1. according to the technical scheme of the utility model, the oil storage tank with the tank cover is provided with the oil outlet hole in a matching way, so that long-time oil supply between tooth gaps of the chain wheel is realized;

2. the technical scheme of the utility model, have the breach and the oil scraper ring that big footpath size is less than through the setting, still increased the time of continuous lubrication when having avoided causing the waste of oil.

3. The technical scheme of the utility model, set up the lightening hole through wheel body center, the lightening hole pore wall array is equipped with a plurality of mounts, sets up the biasing lightening hole on the mount, and in addition itself has alleviateed the weight of sprocket greatly with regard to thin wheel body.

Drawings

FIG. 1 is an oblique top view of a lightweight wear resistant sprocket according to the present embodiment;

FIG. 2 is a bottom oblique view of the lightweight wear resistant sprocket of the present embodiment;

FIG. 3 is a side oblique view of a lightweight wear resistant sprocket according to the present embodiment;

FIG. 4 is an exploded view of a lightweight wear resistant sprocket according to the present embodiment;

FIG. 5 is a schematic view of a slinger configuration;

FIG. 6 is a schematic view of the structure of the slot cover;

fig. 7 is a view showing the internal structure of the lightweight wear-resistant sprocket after the slot cover is opened.

Detailed Description

The technical solution in the embodiment of the present invention will be described in detail with reference to the accompanying fig. 1-7 in the embodiment of the present invention.

Example 1

As shown in fig. 1-7, a light wear-resisting sprocket comprises a sprocket body 1, a plurality of teeth 2 are arranged on the edge array of the sprocket body 1, an oil storage tank 3 is arranged on the surface of the sprocket body 1, the oil storage tank 3 is communicated with a plurality of tooth gaps through an oil outlet hole 4, a groove cover 5 is arranged on the notch of the oil storage tank 3, and the groove cover 5 is detachably connected with the sprocket body 1.

Two sides of the gear body 1, which is close to the gear 2, of the gear body 1 are respectively provided with a convex ring, and the thickness of each convex ring is about 1mm-2mm.

The oil storage tank 3 is arranged at the convex ring, the depth of the oil storage tank 3 is the thickness of the convex ring at one side and the thickness of the wheel body 1 at the position, although two convex rings are added, the weight of the whole chain wheel is not increased but is lighter under the state that lubricating oil is not added.

Stepped groove 31 has been seted up to 3 notch departments of oil storage tank, and stepped groove 31 is arranged in to capping 5, and capping 5 not only can play sealed oil storage tank 3's effect, can also play the left and right sides of support, because set up the reason of oil storage tank 3, the wheel body of tooth 2 below belongs to the state of fretwork, and only one side supports, if meet big torque motor, then can lead to tooth 2 below to sink very probably, and be equipped with the capping and just can play certain supporting role.

Four columns 33 are arranged in the oil storage tank 3 in an array mode, the diameter of each column 33 is about 3/5 of the width of the oil storage tank 3, oil slingers 32 are installed in the two columns with gaps, lubricating oil can circulate in the oil storage tank 3, and threaded holes are formed in the columns 33.

The countersunk hole has been seted up to the position that the cell lid 5 corresponds four cylinders 33, and the advantage of countersunk hole is including can hiding the head of a nail of screw, makes its external appearance watch more level and smooth, and the screw passes the countersunk hole and is fixed with the screw hole cooperation, for preventing the oil leak, can fill up the leak protection ring pad of rubber at the tank bottom pad in ladder groove 31, can play better leak protection effect.

The oil storage tank 3 is annular, and an oil retainer 32 is arranged in the oil storage tank 3.

The major diameter of the slinger 32 is smaller than that of the oil storage tank 3 by about 1mm-0.5mm, only a gap needs to be generated, the slinger 32 can rotate and rock in the oil storage tank 3, the body of the slinger 32 is disconnected with a notch 321, the width of the disconnected notch is about 1mm-5mm, the flow is increased if the gap is too large, and the whole slinger 32 is likely to break.

The center of the wheel body 1 is provided with lightening holes, the wall of each lightening hole is provided with five fixing frames 11 in an array mode, and the fixing frames 11 are provided with mounting holes 12.

The fixing frame 11 is triangular, the triangle is an isosceles triangle, the mounting hole 12 is formed in the sharp corner end of the fixing frame 11, and the triangular fixing frame 11 is provided with offset lightening holes.

The fixing structure designed for light weight is a fixing method commonly used in the prior similar products.

The use method of the light wear-resistant sprocket of the embodiment is as follows: firstly, opening the tank cover 5, firstly placing the oil retainer 32 into the oil storage tank 3, then filling lubricating oil into the oil storage tank 3, firstly placing the leakage-proof ring gasket into the stepped tank 31, then placing the tank cover 5 on the leakage-proof ring gasket, enabling the countersunk hole on the tank cover 5 to correspond to the threaded hole on the cylinder 33, and finally screwing the threaded hole by matching a screw; after the oil storage tank 3 is filled with lubricating oil, the lubricating oil is not fixed on a vehicle or a machine through the five mounting holes on the five mounting brackets by utilizing five bolts.

The lubricating oil in the oil storage tank 3 firstly passes through the notch 321 on the oil retainer 31, enters a gap generated between the oil retainer 32 and the oil storage tank 3, then flows out through the oil outlet hole formed in the wall of the oil storage tank 3, flows into the tooth gap between two adjacent teeth 2, the lubricating oil on the tooth gap is stained on a plurality of chains, one chain is contacted with each tooth, and thus the chain can transfer the lubricating oil to the tooth gap without the oil outlet hole 4, so that each tooth is lubricated.

When the wheel body rotates, the inner oil slinger 32 can rock in the oil storage tank 3 due to the size problem, and oil can flow out from different oil outlet holes 4.

The above embodiment is only for explaining the technical thought of the utility model, can not be limited with this the utility model discloses a protection scope, all according to the utility model provides a technical thought, any change of doing on the technical scheme basis all falls into the utility model discloses within the protection scope.

Claims

1. The utility model provides a wear-resisting sprocket of lightweight, includes wheel body (1), its characterized in that: wheel body (1) edge array is equipped with a plurality of teeth (2), has seted up oil storage tank (3) on wheel body (1) surface, and oil storage tank (3) are through a plurality of tooth gaps of oil outlet (4) intercommunication, and oil storage tank (3) notch is equipped with capping (5), and capping (5) are connected with wheel body (1) detachable.

2. The lightweight wear resistant sprocket as set forth in claim 1, wherein: the groove cover (5) is matched with the wheel body (1) through bolts.

3. The lightweight wear resistant sprocket as set forth in claim 1, wherein: the oil storage tank (3) is annular, and an oil retainer ring (32) is arranged in the oil storage tank (3).

4. A lightweight wear resistant sprocket as set forth in claim 3, wherein: the major diameter of the oil retainer ring (32) is smaller than that of the oil storage tank (3), and a gap (321) is cut off on the ring body of the oil retainer ring (32).

5. The lightweight wear resistant sprocket as set forth in claim 1, wherein: lightening holes are formed in the center of the wheel body (1), a plurality of fixing frames (11) are arranged on the hole wall arrays of the lightening holes, and mounting holes (12) are formed in the fixing frames (11).

6. The lightweight wear resistant sprocket as set forth in claim 5, wherein: the fixing frame (11) is triangular, the mounting hole (12) is formed in the sharp corner end of the fixing frame (11), and the triangular fixing frame (11) is provided with an offset lightening hole.