Maintenance-free self-lubricating chain wheel

Abstract

The invention provides a maintenance-free self-lubricating type chain wheel, and relates to the technical field of chain equipment. A maintenance-free self-lubricating type chain wheel comprises a chain wheel body and chain wheel teeth, two sets of oil storage cavities are formed in the chain wheel body and distributed in an annular array mode, every two adjacent oil storage cavities in a single set are communicated through a connecting channel, the multiple oil storage cavities are all communicated with oil drainage channels, and the oil drainage channels are communicated with the chain wheel teeth. The ends, away from the oil storage cavities, of the oil drainage channels communicate with the outer side wall of the chain wheel body, oil filtering plates are arranged in the multiple oil storage cavities correspondingly, and reset springs are fixedly connected to the side walls, away from the oil storage cavities, of the multiple oil filtering plates correspondingly. When the oil storage cotton adsorbing the lubricating oil moves to the upper portion, redundant lubricating oil can be squeezed into the oil storage cavity, the recycling effect can be achieved, the lubricating oil can be in a dynamic state after being lubricated, and the situation that the lubricating effect is affected due to the fact that effective substances are separated due to long-time standing and sedimentation is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of chain equipment, in particular to a maintenance-free self-lubricating sprocket. Background Art

[0002] The sprocket can be a solid or spoked gear, and meshes with the roller chain to transmit motion. Its working principle is: when the driving wheel rotates, the driven wheel is driven to rotate through the sprocket and a certain amount of power is transmitted. It is a meshing transmission with the advantages of maintaining an accurate average transmission ratio, compact structure, no need for large tension, small load on the shaft, and high efficiency.

[0003] However, during the chain drive process, a lot of lubricating oil needs to be applied. The excess lubricating oil cannot be well recycled, which will not only easily contaminate the sprocket, but also cause a waste of resources. Summary of the invention

[0004] 1. Technical issues to be resolved In view of the deficiencies in the prior art, the present invention provides a maintenance-free self-lubricating sprocket, which solves the problem that a lot of lubricating oil needs to be applied during chain transmission, and the excess lubricating oil cannot be well recovered, which not only easily contaminates the sprocket, but also causes a waste of resources.

[0005] (II) Technical solution To achieve the above objectives, the present invention is implemented through the following technical solutions: a maintenance-free self-lubricating sprocket, comprising a sprocket body and sprocket teeth, wherein two groups of oil storage chambers are arranged inside the sprocket body, and the two groups of oil storage chambers are distributed in a circular array, and the two adjacent oil storage chambers in a single group are connected by a connecting channel, and multiple oil storage chambers are connected to an oil drain channel, and the end of the oil drain channel away from the oil storage chamber is connected to the outer wall of the sprocket body, and the interiors of multiple oil storage chambers are provided with oil filter plates, and the side walls of multiple oil filter plates away from the oil storage chamber are fixedly connected to reset springs, and the outer wall of the sprocket body is fixedly connected to multiple oil storage cottons, and the multiple oil storage cottons are located between the sprocket teeth, and the outer wall of the oil storage cotton is in contact with the outer walls of two adjacent sprocket teeth, and the ends of the multiple reset springs away from the oil filter plate are respectively fixedly connected to the multiple oil storage cottons.

[0006] Preferably, the distance between the edges of the plurality of oil storage cottons away from the outer side wall of the sprocket body is 2 cm smaller than the distance between the edges of the sprocket teeth away from the outer side wall of the body.

[0007] Preferably, the two groups of oil storage cavities are distributed front-to-back symmetrically with respect to the center position of the sprocket body, and the depth of the two groups of oil storage cavities does not exceed one sixth of the thickness of the sprocket body.

[0008] Preferably, the number of the plurality of oil drain channels corresponds to the number of the plurality of oil storage cottons, that is, an oil drain channel is provided between the teeth of two sprockets.

[0009] Working principle: When in working state, as the sprocket is driven by the chain to rotate, especially the oil storage cotton located below, the lubricating oil stored in the oil storage tank will be absorbed by the oil storage cotton through the oil filter plate and the return spring. In the process of sprocket rotation, the chain squeezes the oil storage cotton to realize the lubrication of the sprocket teeth and the chain by the lubricating oil, ensuring smoothness during operation. Since the sprocket rotates periodically, periodic lubrication and maintenance will be achieved, which can effectively improve the service life of the sprocket body and the chain. When the lubricating oil storage cotton moves to the top, the excess lubricating oil will be squeezed into the oil storage cavity, which can not only achieve the recovery effect, but also make the lubrication in a dynamic state, avoiding long-term static sedimentation and the separation of effective substances, which affects the lubrication effect. The depth of the two sets of oil storage cavities does not exceed one-sixth of the thickness of the sprocket body, so it will not affect the overall strength of the sprocket body during the setting process, which is worthy of promotion. (III) Beneficial effects

[0010] The present invention provides a maintenance-free self-lubricating sprocket. It has the following beneficial effects: 1. The maintenance-free self-lubricating sprocket, as the sprocket is driven by the chain to rotate, especially the oil storage cotton located below, the lubricating oil stored in the oil storage tank will be absorbed by the oil storage cotton through the oil filter plate and the return spring. During the rotation of the sprocket, the chain squeezes the oil storage cotton to achieve lubrication of the sprocket teeth and the chain by the lubricating oil, ensuring smoothness during operation. Since the sprocket rotates periodically, periodic lubrication and maintenance will be achieved, which can effectively increase the service life of the sprocket body and the chain.

[0011] 2. For this maintenance-free self-lubricating sprocket, when the oil storage cotton that absorbs the lubricating oil moves to the top, the excess lubricating oil will be squeezed into the oil storage cavity, which can not only achieve the effect of recycling, but also keep the lubrication in a dynamic state, avoiding long-term static sedimentation and the separation of effective substances, which affects the lubrication effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 For the present invention Figure 1 A magnified image of point A; Figure 3 It is a schematic diagram of the connection relationship between the return spring and the oil storage surface of the present invention.

[0013] Among them, 1. sprocket body; 2. reset spring; 3. connecting channel; 4. oil storage chamber; 5. sprocket teeth; 6. oil storage cotton; 7. oil filter plate; 8. oil drain channel. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example

[0015] like Figure 1-3 As shown, an embodiment of the present invention provides a maintenance-free self-lubricating sprocket, including a sprocket body 1 and sprocket teeth 5. Two groups of oil storage chambers 4 are arranged inside the sprocket body 1, and the two groups of oil storage chambers 4 are distributed in a ring array. A single group of adjacent oil storage chambers 4 are connected by a connecting channel 3. Multiple oil storage chambers 4 are connected to an oil drain channel 8, and the end of the oil drain channel 8 away from the oil storage chamber 4 is connected to the outer wall of the sprocket body 1. Oil filter plates 7 are arranged inside the multiple oil storage chambers 4. The side walls of the multiple oil filter plates 7 away from the oil storage chamber 4 are fixedly connected to reset springs 2. The outer wall of the sprocket body 1 is fixedly connected to multiple oil storage cottons 6. The multiple oil storage cottons 6 are all located between the sprocket teeth 5, and the outer wall of the oil storage cotton 6 is in contact with the outer walls of two adjacent sprocket teeth 5. The ends of the multiple reset springs 2 away from the oil filter plate 7 are respectively fixedly connected to the multiple oil storage cottons 6.

[0016] The edge distance of the multiple oil storage cottons 6 away from the outer wall of the sprocket body 1 is 2 cm smaller than the distance of the edge of the sprocket teeth 5 away from the outer wall of the body 1; the two groups of oil storage chambers 4 are distributed front-to-back symmetrically about the center position of the sprocket body 1, and the depth of the two groups of oil storage chambers 4 does not exceed one-sixth of the thickness of the sprocket body. The number of the multiple oil drain channels 8 corresponds to the number of the multiple oil storage cottons 6, that is, an oil drain channel 8 is arranged between two sprocket teeth 5.

[0017] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A maintenance-free self-lubricating sprocket, comprising a sprocket body (1) and sprocket teeth (5), characterized in that: Two groups of oil storage chambers (4) are arranged inside the sprocket body (1). The two groups of oil storage chambers (4) are distributed in a ring array. Two adjacent oil storage chambers (4) in a single group are connected to each other via a connecting channel (3). Multiple oil storage chambers (4) are connected to an oil drain channel (8). One end of the oil drain channel (8) away from the oil storage chamber (4) is connected to the outer wall of the sprocket body (1). Multiple oil storage chambers (4) are arranged inside. Multiple side walls of the oil filter plates (7) away from the oil storage chamber (4) are fixedly connected to a return spring (2). Multiple oil storage cottons (6) are fixedly connected to the outer wall of the sprocket body (1). Multiple oil storage cottons (6) are located between the sprocket teeth (5). The outer wall of the oil storage cottons (6) fits the outer wall of two adjacent sprocket teeth (5). One end of the return springs (2) away from the oil filter plate (7) is fixedly connected to the multiple oil storage cottons (6).

2. A maintenance-free self-lubricating sprocket according to claim 1, characterized in that: The distance between the edges of the plurality of oil storage cottons (6) away from the outer side wall of the sprocket body (1) is 2 cm smaller than the distance between the edges of the sprocket teeth (5) away from the outer side wall of the body (1).

3. A maintenance-free self-lubricating sprocket according to claim 1, characterized in that: The two groups of oil storage cavities (4) are distributed front-to-back symmetrically with respect to the center position of the sprocket body (1), and the depth of the two groups of oil storage cavities (4) does not exceed one sixth of the thickness of the sprocket body.

4. A maintenance-free self-lubricating sprocket according to claim 1, characterized in that: The number of the plurality of oil drain channels (8) corresponds to the number of the plurality of oil storage cottons (6), that is, an oil drain channel (8) is provided between each of the two sprocket teeth (5).

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