High-stability tooth skipping prevention chain wheel

Abstract

The utility model belongs to the technical field of chain wheels, and particularly relates to a high-stability tooth skipping prevention chain wheel which comprises a chain wheel body and protective rings, a plurality of wheel teeth are distributed on the outer edge of the chain wheel body in the circumferential direction, the protective rings are symmetrically arranged on the two sides of the wheel teeth, and each protective ring sequentially comprises an annular baffle, a middle ring and a connecting ring from outside to inside. The connecting rings are installed on the upper surface and the lower surface of the chain wheel body, a plurality of chip removal holes are formed in the annular baffle in the circumferential direction, and an oil supply sponge is arranged on the side, close to the wheel teeth, of the annular baffle. Smooth meshing of the chain and the chain wheel is ensured; the oil supply sponge abuts against the chain to lubricate the chain and the chain wheel, so that stable meshing of the chain and the chain wheel is guaranteed, and the problem of tooth skipping is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of sprocket wheels, and in particular relates to a sprocket wheel with high stability and anti-tooth jumping. Background Art

[0002] A sprocket is a transmission wheel with multiple teeth arranged circumferentially and mainly meshing with a chain. Sprockets are widely used in various industries such as material transportation and processing, and mainly play a transmission role. During long-term use of existing sprockets, dust and foreign particles are easily accumulated on the surface of the gear teeth, which increases the friction between the sprocket and the chain, causing the sprocket or chain to be easily damaged or skip teeth. In addition, the wear on the tooth surface and the lack of good lubrication will make the sprocket chain unable to mesh well and stably, and will also cause problems such as skipping teeth. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a high-stability anti-tooth-jumping sprocket.

[0004] The utility model provides the following technical solutions:

[0005] A high-stability anti-tooth jumping sprocket comprises a sprocket body and a protective ring, wherein a plurality of gear teeth are distributed circumferentially on the outer edge of the sprocket body, and protective rings are symmetrically arranged on both sides of the gear teeth. The protective rings comprise an annular baffle, an intermediate ring and a connecting ring from the outside to the inside, and the connecting ring is installed on the upper and lower surfaces of the sprocket body, and a plurality of chip removal holes are circumferentially arranged on the annular baffle, and an oil supply sponge is arranged on the side of the annular baffle close to the gear teeth.

[0006] Furthermore, the oil supply sponge is annular, and an annular groove is formed on the annular baffle plate on one side close to the gear teeth, and the oil supply sponge is embedded in the annular groove.

[0007] Furthermore, the plane of the annular baffle is parallel to the upper and lower surfaces of the sprocket body.

[0008] Furthermore, the connecting ring is provided with a plurality of mounting holes, and the upper and lower surfaces of the sprocket body are provided with a plurality of circular holes corresponding to the mounting holes, and the mounting holes are connected to the circular holes by bolts.

[0009] Furthermore, the intermediate ring plane is perpendicular to the upper and lower surfaces of the sprocket body.

[0010] Furthermore, a plurality of square holes are circumferentially arranged on the sprocket body, and reinforcing ribs are arranged in the square holes.

[0011] Furthermore, an axial hole is arranged in the middle of the sprocket body.

[0012] Furthermore, wear-resistant pads are embedded in the middle of both sides of the gear teeth.

[0013] Furthermore, the outer surface of the sprocket body is coated with a wear-resistant and corrosion-resistant coating.

[0014] The beneficial effects of the utility model are mainly reflected in:

[0015] 1) The annular baffle can block some dust and impurities, reduce the wear of the gear teeth, and play a limiting role to ensure the smooth engagement of the chain and sprocket;

[0016] 2) At the same time, the oil supply sponge contacts the chain to lubricate the chain sprocket, thereby ensuring the stable meshing of the chain and sprocket and avoiding tooth skipping problems;

[0017] 3) The chip removal holes are set to discharge some dust and impurities from the gear teeth, reducing the friction between the sprocket and the chain, reducing the wear of the gear teeth, and increasing the service life of the sprocket;

[0018] 4) In addition, the provision of wear-resistant pads is beneficial to enhancing the wear resistance of the gear teeth and increasing the service life of the gear teeth. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is the overall structure diagram of a high-stability anti-tooth-jumping sprocket of the utility model;

[0020] Figure 2 This is the overall front view of a high-stability anti-tooth jump sprocket of the utility model;

[0021] Figure 3 It is an overall side view of a high-stability anti-tooth-jumping sprocket of the utility model;

[0022] Figure 4 This is a structural diagram of a sprocket body of a high-stability anti-tooth-jumping sprocket of the utility model;

[0023] Figure 5 The utility model discloses a protective ring of a sprocket with high stability and anti-tooth jumping function.

[0024] The following are marked in the figure:

[0025] 1- sprocket body; 2- protection ring; 3- chip removal hole; 4- middle ring; 5- connecting ring; 6- mounting hole; 7- shaft hole; 8- square hole; 9- reinforcing rib; 10- oil supply sponge; 11- gear teeth; 12- annular baffle; 13- round hole; 14- wear-resistant pad. DETAILED DESCRIPTION

[0026] The following describes the specific implementation of the utility model in detail in conjunction with the accompanying drawings so that those skilled in the art can more clearly understand how to practice the utility model. Although the utility model is described in conjunction with its preferred specific embodiments, these embodiments are only illustrative, rather than limiting the scope of the utility model.

[0027] Combined with Figure 1-5 As shown, a high-stability anti-tooth jumping sprocket includes a sprocket body 1 and a protective ring 2. The outer edge of the sprocket body 1 is circumferentially distributed with a plurality of gear teeth 11. The protective rings 2 are symmetrically arranged on both sides of the gear teeth 11. The protective rings 2 include an annular baffle plate 12, an intermediate ring 4 and a connecting ring 5 from the outside to the inside. The connecting ring 5 is installed on the upper and lower surfaces of the sprocket body 1. The annular baffle plate 12 is circumferentially provided with a plurality of chip removal holes 3. The chip removal holes 3 are located on the surface of the annular baffle plate 12 near the bottom, which is beneficial to the discharge of some dust and impurities at the gear teeth 11 through the chip removal holes 3 when the sprocket rotates, and an oil supply sponge 10 is arranged on the side of the annular baffle plate 12 close to the gear teeth 11.

[0028] Specifically, the oil supply sponge 10 is annular, and an annular groove is opened on the annular baffle 12 near the gear tooth 11. The oil supply sponge 10 is embedded in the annular groove, and one side of the oil supply sponge 10 is in contact with the chain meshing with the gear tooth 11. When the oil supply sponge 10 is provided with lubricating oil from the outside, the oil supply sponge 10 can lubricate the chain, and the lubricating oil can flow from the chain to the sprocket body 1, thereby ensuring the stable meshing of the chain and the sprocket and avoiding the problem of tooth skipping.

[0029] Specifically, the plane of the annular baffle 12 is parallel to the upper and lower surfaces of the sprocket body 1. In addition, the spacing distance between the annular baffle 12 and the gear teeth 11 can play a limiting role, ensuring smooth engagement of the chain and the sprocket, and allowing the oil supply sponge 10 to be in an extruded state and abut against the chain. At the same time, the annular baffle 12 can withstand some dust and impurities, reduce the wear of the gear teeth 11, and increase the service life of the sprocket.

[0030] Specifically, the connecting ring 5 is provided with a plurality of mounting holes 6 , and the upper and lower surfaces of the sprocket body 1 are provided with a plurality of circular holes 13 corresponding to the mounting holes 6 . The mounting holes 6 and the circular holes 13 are connected by bolts, thereby facilitating the installation and removal of the protective ring 2 .

[0031] Specifically, the plane of the intermediate ring 4 is perpendicular to the upper and lower surfaces of the sprocket body 1, thereby ensuring smooth meshing of the chain and the sprocket.

[0032] Specifically, a plurality of square holes 8 are circumferentially arranged on the sprocket body 1 , and reinforcing ribs 9 are arranged inside the square holes 8 . The square holes 8 can reduce the overall weight of the sprocket body 1 , and the arrangement of the reinforcing ribs 9 helps to enhance the internal structural strength of the sprocket body 1 .

[0033] Specifically, an axial hole 7 is provided in the middle of the sprocket body 1 for subsequent installation of a transmission shaft.

[0034] Specifically, wear-resistant pads 14 are embedded in the middle of both sides of the gear teeth 11 . The wear-resistant pads 14 are arranged at the meshing position between the gear teeth 11 and the chain. The wear-resistant pads 14 can be made of elastic polyurethane material to improve the wear resistance of the gear teeth 11 .

[0035] Specifically, the outer surface of the sprocket body 1 is coated with a wear-resistant and anti-corrosion coating, and the coating may be a zinc-aluminum coating.

[0036] The specific working principle of the utility model is as follows:

[0037] The annular baffle 12 can block some dust and impurities, reduce the wear of the gear teeth 11, and play a limiting role, ensuring that the meshing of the chain and the sprocket is smooth, and the oil supply sponge 10 can be in an extruded state and abut against the chain to lubricate the chain sprocket, thereby ensuring the stable meshing of the chain and the sprocket and avoiding the problem of tooth skipping. Then, the chip discharge hole 3 is set to discharge some dust and impurities at the gear teeth 11, reduce the wear of the gear teeth 11, and increase the service life of the sprocket.

[0038] The above is only a preferred implementation of the present invention, but the protection scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and inventive concept provided by the present invention should be included in the protection scope of the present invention.

Claims

1. A high-stability anti-tooth jump sprocket, comprising a sprocket body (1) and a protective ring (2), characterized in that: The outer edge of the sprocket body (1) is circumferentially distributed with a plurality of gear teeth (11), and protective rings (2) are symmetrically arranged on both sides of the gear teeth (11). The protective rings (2) include, from the outside to the inside, an annular baffle plate (12), an intermediate ring (4) and a connecting ring (5), and the connecting ring (5) is mounted on the upper and lower surfaces of the sprocket body (1). The annular baffle plate (12) is circumferentially provided with a plurality of chip removal holes (3), and an oil supply sponge (10) is arranged on the side of the annular baffle plate (12) close to the gear teeth (11).

2. A high stability anti-tooth jump sprocket according to claim 1, characterized in that: The oil supply sponge (10) is annular in shape, and an annular groove is formed on the annular baffle (12) on a side close to the gear teeth (11), and the oil supply sponge (10) is embedded in the annular groove.

3. A high stability anti-tooth jumping sprocket according to claim 1, characterized in that: The plane of the annular baffle (12) is parallel to the upper and lower surfaces of the sprocket body (1).

4. A high stability anti-tooth jumping sprocket according to claim 1, characterized in that: The connecting ring (5) is provided with a plurality of mounting holes (6), the upper and lower surfaces of the sprocket body (1) are provided with a plurality of circular holes (13) corresponding to the mounting holes (6), and the mounting holes (6) and the circular holes (13) are connected by bolts.

5. The high stability anti-tooth jumping sprocket according to claim 1, characterized in that: The plane of the intermediate ring (4) is perpendicular to the upper and lower surfaces of the sprocket body (1).

6. A high stability anti-tooth jump sprocket according to claim 1, characterized in that: A plurality of square holes (8) are circumferentially arranged on the sprocket body (1), and reinforcing ribs (9) are arranged inside the square holes (8).

7. The high stability anti-tooth jumping sprocket according to claim 1, characterized in that: An axial hole (7) is provided in the middle of the sprocket body (1).

8. The high stability anti-tooth jumping sprocket according to claim 1, characterized in that: Wear-resistant pads (14) are embedded in the middle of both sides of the gear teeth (11).

9. The high stability anti-tooth jumping sprocket according to claim 1, characterized in that: The outer surface of the sprocket body (1) is coated with a wear-resistant and corrosion-resistant coating.

Images