Chain with chain link anti-abrasion structure

By setting up an oil storage chamber in the chain section and automatically injecting/exhausing lubricant oil, the wear problem caused by the drying of lubricant during chain use is solved, extending the service life of the chain and simplifying maintenance.

CN222668812UActive Publication Date: 2025-03-25SUZHOU FUBANG MASCH CHAIN TRANSMISSION MFG CO LTD
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Patent Information

Application Number
CN202420968528.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-07
Publication Date
2025-03-25
Estimated Expiration
2034-05-07

AI Technical Summary

Technical Problem

The existing chain needs to be oiled during use. After long rotation, the lubricating oil between the chain sections will easily dry up, causing the chain to wear and reduce the service life.

Method used

A chain with a chain joint anti-wear structure is designed. By setting up an oil storage cavity, oil injection part, oil outlet part and striker in the outer link unit, lubricating oil is automatically injected and discharged by the impact of the gear when the gear rotates, and the lubricating oil is maintained.

Benefits of technology

It effectively reduces the friction between the link unit and the gear teeth in the chain, prevents lubricating oil from drying up, extends the service life of the chain, and simplifies the maintenance process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of chains, in particular to a chain with a chain link anti-abrasion structure, which comprises a plurality of inner link units and a plurality of outer link units, each outer link unit comprises two outer link pieces and two outer link components, and the plurality of inner link units and the plurality of outer link units are sequentially spliced and assembled to form the chain. A chain is installed on a gear, gear teeth on the gear are clamped and embedded between an inner linking unit and an outer linking unit, the gear teeth impact a firing pin to open an oil outlet piece in an oil storage cavity in the rotating process of the gear, then lubricating oil in the oil storage cavity flows out of a plug pin to make the gear teeth of the gear make contact with the lubricating oil, and the friction force generated when the inner linking unit makes contact with the gear teeth can be reduced; therefore, the problems that an existing chain needs to be oiled in the using process, lubricating oil between chain sections is prone to drying up in the long-time rotating process, the chain is prone to abrasion, and the service life of the chain is shortened are solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of chains, in particular to a chain with a chain link anti-wear structure. Background Art

[0002] Chains are generally metal links or rings, mostly used for mechanical transmission and traction. Chains are widely used. In addition to being often used in industry, chains can also be seen everywhere in life. There are many types of chains, including industrial chains, motorcycle chains, etc.

[0003] The prior art (CN205639471U) discloses a chain comprising a plurality of chain plate units and a chain shaft unit, each of which comprises two inner chain plates spaced opposite to each other and two outer chain plates respectively arranged on the outer sides of the inner chain plates, the chain shaft unit comprises a plurality of chain shafts, each of which has a connecting shaft portion located between the corresponding inner through holes, which can facilitate the sleeve arrangement of the inner chain plates and the outer chain plates, so as to facilitate assembly and appropriate positioning.

[0004] However, in the above method, the chain needs to be oiled during use. During long-term rotation, the lubricating oil between the chain links is easy to dry up and cause chain wear, thereby reducing the service life of the chain. Utility Model Content

[0005] The utility model aims to provide a chain with a chain link anti-wear structure, aiming to solve the problem of the existing chain that the chain needs to be oiled during use, the lubricating oil between the chain links is easy to dry up during long-term rotation, which easily leads to chain wear, thereby reducing the service life of the chain.

[0006] To achieve the above object, the utility model provides a chain with a chain link anti-wear structure, comprising a plurality of inner link units and a plurality of outer link units, wherein the plurality of outer link units and the plurality of inner link units are arranged alternately;

[0007] The external link unit includes two external link pieces and two external link components;

[0008] The two outer link pieces are respectively located on both sides of the inner link unit; the two outer link assemblies are respectively located between the two outer link pieces; the outer link assembly includes a latch, two connecting shafts, an oil storage chamber, an oil injection piece, an oil outlet piece and a striker, and the latch is located between the two outer link pieces; the two connecting shafts are respectively fixedly connected to the latch, and are respectively rotatably connected to the two outer link pieces, and are respectively located on both sides of the latch; the oil storage chamber is fixedly connected to the latch and is located inside the latch; the oil injection piece is arranged on one side of the oil storage chamber; the oil outlet piece is arranged on one side of the oil storage chamber; the striker is fixedly connected to the oil outlet piece and is located on one side of the latch.

[0009] Wherein, the inner link unit includes two inner chain plates and two rollers, the two inner chain plates are respectively located between the two outer chain plates; the two rollers are respectively fixedly connected to the two inner chain plates, and are respectively sleeved on one side of the two pins; and are respectively located between the two inner chain plates.

[0010] Wherein, the oil injection piece includes an extended oil inlet pipe and a sealing plug, the extended oil inlet pipe is connected to the oil storage chamber and is located on one side of the oil storage chamber; the sealing plug is threadedly connected to the extended oil inlet pipe and is located on one side of the extended oil inlet pipe.

[0011] Among them, the oil outlet part includes a first rod, a second rod, a rebound spring and a conical sealing plug, the first rod is fixedly connected to the oil storage chamber and is located on one side of the oil storage chamber; the second rod is slidably connected to the first rod and is located on one side of the first rod; the rebound spring is fixedly connected to the first rod and the second rod respectively, and is located between the first rod and the second rod respectively; the conical sealing plug is fixedly connected to the second rod and to the striker, and is located on one side of the second rod.

[0012] Wherein, the external link assembly further includes two auxiliary oil outlet parts, and the two auxiliary oil outlet parts are respectively arranged inside the oil storage cavity.

[0013] Among them, the auxiliary oil outlet part includes an oil outlet channel, a bracket, a push rod and a baffle, the oil outlet channel is connected to the oil storage chamber and is located on one side of the oil storage chamber; the bracket is fixedly connected to the oil storage chamber and is located on one side of the oil storage chamber; the push rod is slidably connected to the bracket and is located on one side of the bracket; the baffle is fixedly connected to the push rod and is located on one side of the push rod.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. By providing two outer link plates and two outer link assemblies, the inner link unit is installed between the two outer link plates through the two latches to complete the assembly of the outer link unit and the inner link unit. After the plurality of inner link units and the plurality of outer link units are sequentially spliced ​​and assembled to form a chain, the oil storage chamber is filled with lubricating oil through the oil filling piece, and the chain is installed on the gear. The gear teeth on the gear are inserted between the inner link unit and the outer link unit. During the rotation of the gear, the gear teeth hit the striker to open the oil outlet in the oil storage chamber. Then, the lubricating oil in the oil storage chamber flows out from the latch so that the gear teeth contact the lubricating oil, thereby reducing the friction force of the inner link unit contacting the gear teeth, thereby solving the problem that the existing chain needs to be oiled during use, and the lubricating oil between the chain links is easy to dry up during long-term rotation, which can easily cause chain wear, thereby reducing the service life of the chain.

[0016] 2. By setting the extended oil inlet pipe and the sealing plug, twist the sealing plug to open the extended oil inlet pipe, and use an injection tool such as a syringe to inject lubricating oil into the oil storage chamber so that the lubricating oil in the oil storage chamber is sufficient. By adding the extended oil inlet pipe, subsequent maintenance is facilitated.

[0017] 3. By setting the first rod, the second rod, the rebound spring and the conical sealing plug, the first rod is used to support the sliding of the second rod. When the striker hits the gear teeth, the striker pushes the conical sealing plug to contract and open the oil storage chamber. The lubricating oil in the oil storage chamber can easily flow out through the striker to lubricate the gear teeth. The rebound spring in the first rod pushes the second rod to reset the conical sealing plug through elastic tension, so that the oil storage chamber returns to a sealed shape to reduce the loss of lubricating oil.

[0018] 4. By setting the oil outlet channel, the bracket, the push rod and the baffle, when the striker pushes the conical sealing plug to contract, the conical sealing plug squeezes the push rods on both sides, and the push rods drive the baffle to open the oil outlet channel. The lubricating oil in the oil storage chamber flows out to the gear teeth through the oil outlet channel. By adding the additional oil outlet channels at both ends, the lubricating oil can evenly cover the gear teeth, further increasing the lubrication effect and reducing wear. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0020] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0021] Figure 2 It is an overall front view of the first embodiment of the utility model.

[0022] Figure 3 It is a cross-sectional view of the outer link assembly of the first embodiment of the utility model.

[0023] Figure 4 It is a schematic diagram of the overall structure of the second embodiment of the utility model.

[0024] Figure 5 It is a cross-sectional view of the outer link assembly of the second embodiment of the utility model.

[0025] 101-inner link unit, 102-outer link unit, 103-outer link plate, 104-outer link assembly, 105-latch pin, 106-connecting shaft, 107-oil storage chamber, 108-oil filling part, 109-oil outlet part, 110-striker, 111-inner link plate, 112-roller, 113-extended oil inlet pipe, 114-sealing plug, 115-first rod, 116-second rod, 117-rebound spring, 118-conical sealing plug, 201-auxiliary oil outlet part, 202-oil outlet channel, 203-bracket, 204-top rod, 205-baffle. DETAILED DESCRIPTION

[0026] The first embodiment of the present application is:

[0027] See also Figure 1-Figure 3 ,in, Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model. Figure 2 It is a front view of the whole of the first embodiment of the utility model. Figure 3 It is a cross-sectional view of the outer link assembly of the first embodiment of the utility model.

[0028] The utility model provides a chain with a chain link anti-wear structure: comprising a plurality of inner link units 101 and a plurality of outer link units 102, the outer link unit 102 comprising two outer link plates 103 and two outer link assemblies 104, the outer link assembly 104 comprising a latch 105, two connecting shafts 106, an oil storage chamber 107, an oil injection piece 108, an oil outlet piece 109 and a striker 110, the inner link unit 101 comprising two inner link plates 111 and two rollers 112, the oil injection piece 108 comprising an extended oil inlet pipe 113 and a sealing plug 114, the oil outlet piece 109 comprising a first rod 115, a second rod 116, a rebound spring 117 and a conical sealing plug 118, the above-mentioned scheme solves the problem of the existing chain that the chain needs to be oiled during use, the lubricating oil between the chain links is easy to dry up during long-term rotation, which easily causes the chain to wear, thereby reducing the service life of the chain.

[0029] According to this specific embodiment, the outer link unit 102 and the inner link unit 101 can be assembled by installing the inner link unit 101 between the two outer link pieces 103 through the two latches 105, and then multiple inner link units 101 and multiple outer link units 102 are sequentially spliced ​​and assembled to form a chain.

[0030] Among them, the two outer link pieces 103 are respectively located on both sides of the inner link unit 101; the two outer link components 104 are respectively located between the two outer link pieces 103; the latch 105 is located between the two outer link pieces 103; the two connecting shafts 106 are respectively fixedly connected to the latch 105, and are respectively rotatably connected to the two outer link pieces 103, and are respectively located on both sides of the latch 105; the oil storage chamber 107 is fixedly connected to the latch 105 and is located inside the latch 105; the oil injection piece 108 is arranged on one side of the oil storage chamber 107; the oil outlet piece 109 is arranged on one side of the oil storage chamber 107; the striker 110 is fixedly connected to the oil outlet piece 109 and is located on one side of the latch 105, and the inner link unit 101 is installed between the two outer link pieces 103 through the two latches 105 to complete the outer chain The connecting unit 102 and the inner link unit 101 are assembled, and multiple inner link units 101 and multiple outer link units 102 are sequentially spliced ​​and assembled to form a chain, and the oil storage chamber 107 is filled with lubricating oil through the oil filling piece 108. The chain is installed on the gear, and the gear teeth on the gear are embedded between the inner link unit 101 and the outer link unit 102. During the rotation of the gear, the gear teeth hit the striker 110 to open the oil outlet 109 in the oil storage chamber 107, and then the lubricating oil in the oil storage chamber 107 flows out from the latch 105 so that the gear teeth contact the lubricating oil, which can reduce the friction of the inner link unit 101 contacting the gear teeth, thereby solving the problem of the existing chain that the chain needs to be oiled during use, and the lubricating oil between the chain links is easy to dry up during long-term rotation, which can easily cause chain wear, thereby reducing the service life of the chain.

[0031] Secondly, the two inner chain pieces 111 are respectively located between the two outer chain pieces 103; the two rollers 112 are respectively fixedly connected to the two inner chain pieces 111, and are respectively sleeved on one side of the two latches 105; and are respectively located between the two inner chain pieces 111. The two inner chain pieces 111 are sleeved on the latches 105 through the rollers 112 and are arranged between the two outer chain pieces 103 to complete the assembly of the inner link unit 101 and the outer link unit 102.

[0032] At the same time, the extended oil inlet pipe 113 is connected to the oil storage chamber 107 and is located on one side of the oil storage chamber 107; the sealing plug 114 is threadedly connected to the extended oil inlet pipe 113 and is located on one side of the extended oil inlet pipe 113. The sealing plug 114 is twisted to open the extended oil inlet pipe 113, and the lubricating oil is injected into the oil storage chamber 107 using an injection tool such as a syringe so that the lubricating oil in the oil storage chamber 107 is sufficient. The addition of the extended oil inlet pipe 113 facilitates subsequent maintenance.

[0033] In addition, the first rod 115 is fixedly connected to the oil storage chamber 107 and is located on one side of the oil storage chamber 107; the second rod 116 is slidably connected to the first rod 115 and is located on one side of the first rod 115; the rebound spring 117 is fixedly connected to the first rod 115 and the second rod 116 respectively and is located between the first rod 115 and the second rod 116 respectively; the conical sealing plug 118 is fixedly connected to the second rod 116 and to the striker 110 and is located on one side of the second rod 116, the first rod 115 is used to support the sliding of the second rod 116, when the striker 110 hits the gear teeth, the striker 110 pushes the conical sealing plug 118 to contract and open the oil storage chamber 107, the lubricating oil in the oil storage chamber 107 is convenient to flow out through the striker 110 to lubricate the gear teeth, the rebound spring 117 is used to reset the conical sealing plug 118 so that the oil storage chamber 107 returns to a sealed state to reduce the loss of lubricating oil.

[0034] When using a chain with a chain link anti-wear structure described in this embodiment, two inner chain plates 111 are sleeved onto the pin 105 through the roller 112 and are arranged between the two outer chain plates 103 to complete the assembly of the inner link unit 101 and the outer link unit 102. After the plurality of inner link units 101 and the plurality of outer link units 102 are sequentially spliced ​​and assembled to form a chain, the sealing plug 114 is twisted to open the extended oil inlet pipe 113, and the lubricating oil is injected into the oil storage chamber 107 using an injection tool such as a syringe so that the lubricating oil in the oil storage chamber 107 is sufficient. The chain is installed on the gear, and the gear teeth on the gear are embedded between the inner link unit 101 and the outer link unit 102. The gear rotates through During the process, the gear teeth hit the striker 110, pushing the conical sealing plug 118 to shrink and open the oil storage chamber 107. Then the lubricating oil in the oil storage chamber 107 flows out from the pin 105, making the gear teeth of the gear contact the lubricating oil, thereby reducing the friction force of the inner link unit 101 contacting the gear teeth. After the striker 110 is away from the gear teeth, the rebound spring 117 in the first rod 115 pushes the second rod 116 to reset the conical sealing plug 118 through elastic tension, making the oil storage chamber 107 return to a sealed state, thereby solving the problem of the existing chain that the chain needs to be oiled during use, and the lubricating oil between the chain links is easy to dry up during long-term rotation, which can easily cause chain wear, thereby reducing the service life of the chain.

[0035] The second embodiment of the present application is:

[0036] See also Figure 4-Figure 5 ,in, Figure 4 It is a schematic diagram of the overall structure of the second embodiment of the utility model. Figure 5 It is a cross-sectional view of the outer link assembly of the second embodiment of the utility model.

[0037] Based on the first embodiment, the utility model provides a chain with a chain link anti-wear structure, the outer link assembly 104 also includes two auxiliary oil outlet parts 201, and the auxiliary oil outlet parts 201 include an oil outlet channel 202, a bracket 203, a push rod 204 and a baffle 205.

[0038] The two auxiliary oil outlets 201 are respectively disposed inside the oil storage cavity 107 , and the auxiliary oil outlets 201 are used to further increase the lubrication effect and reduce wear.

[0039] Secondly, the oil outlet channel 202 is communicated with the oil storage chamber 107 and is located on one side of the oil storage chamber 107; the bracket 203 is fixedly connected to the oil storage chamber 107 and is located on one side of the oil storage chamber 107; the push rod 204 is slidably connected to the bracket 203 and is located on one side of the bracket 203; the baffle 205 is fixedly connected to the push rod 204 and is located on one side of the push rod 204. When the striker 110 pushes the conical sealing plug 118 to contract, the conical sealing plug 118 squeezes the push rods 204 on both sides, and the push rod 204 drives the baffle 205 to open the oil outlet channel 202. The lubricating oil in the oil storage chamber 107 flows out to the gear teeth through the oil outlet channel 202. By adding the additional oil outlet channels 202 at both ends, the lubricating oil can evenly cover the gear teeth, further increasing the lubrication effect and reducing wear.

[0040] When using a chain with a chain link anti-wear structure described in this embodiment, when the striker 110 pushes the conical sealing plug 118 to contract, the conical sealing plug 118 squeezes the push rods 204 on both sides, and the push rods 204 drive the baffle 205 to open the oil outlet channel 202. The lubricating oil in the oil storage chamber 107 flows out to the gear teeth through the oil outlet channel 202. By adding the additional oil outlet channels 202 at both ends, the lubricating oil can evenly cover the gear teeth, further increasing the lubrication effect and reducing wear.

[0041] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A chain with a chain link anti-wear structure, comprising a plurality of inner link units; characterized in that: Also includes a plurality of external link units; The plurality of outer link units and the plurality of inner link units are arranged alternately; the outer link unit comprises two outer link pieces and two outer link components; The two outer link pieces are respectively located on both sides of the inner link unit; the two outer link assemblies are respectively located between the two outer link pieces; the outer link assembly includes a latch, two connecting shafts, an oil storage chamber, an oil injection piece, an oil outlet piece and a striker, and the latch is located between the two outer link pieces; the two connecting shafts are respectively fixedly connected to the latch, and are respectively rotatably connected to the two outer link pieces, and are respectively located on both sides of the latch; the oil storage chamber is fixedly connected to the latch and is located inside the latch; the oil injection piece is arranged on one side of the oil storage chamber; the oil outlet piece is arranged on one side of the oil storage chamber; the striker is fixedly connected to the oil outlet piece and is located on one side of the latch.

2. A chain with a chain link anti-wear structure as claimed in claim 1, characterized in that: The inner link unit includes two inner chain plates and two rollers. The two inner chain plates are respectively located between the two outer chain plates. The two rollers are respectively fixedly connected to the two inner chain plates and are respectively sleeved on one side of the two latches. The rollers are respectively located between the two inner chain plates.

3. A chain with a chain link anti-wear structure as claimed in claim 2, characterized in that: The oil injection piece includes an extended oil inlet pipe and a sealing plug. The extended oil inlet pipe is communicated with the oil storage chamber and is located at one side of the oil storage chamber. The sealing plug is threadedly connected to the extended oil inlet pipe and is located at one side of the extended oil inlet pipe.

4. A chain with a chain link anti-wear structure as claimed in claim 3, characterized in that: The oil outlet component includes a first rod, a second rod, a rebound spring and a conical sealing plug. The first rod is fixedly connected to the oil storage chamber and is located on one side of the oil storage chamber; the second rod is slidably connected to the first rod and is located on one side of the first rod; the rebound spring is fixedly connected to the first rod and the second rod respectively and is located between the first rod and the second rod respectively; the conical sealing plug is fixedly connected to the second rod and to the striker and is located on one side of the second rod.

5. A chain with a chain link anti-wear structure as claimed in claim 1, characterized in that: The external link assembly further includes two auxiliary oil outlets, and the two auxiliary oil outlets are respectively arranged inside the oil storage cavity.

6. A chain with a chain link anti-wear structure as claimed in claim 5, characterized in that: The auxiliary oil outlet component includes an oil outlet channel, a bracket, a push rod and a baffle. The oil outlet channel is connected to the oil storage chamber and is located on one side of the oil storage chamber; the bracket is fixedly connected to the oil storage chamber and is located on one side of the oil storage chamber; the push rod is slidably connected to the bracket and is located on one side of the bracket; the baffle is fixedly connected to the push rod and is located on one side of the push rod.

Citation Information

Patent Citations

  • Chain

    CN205639471U