Chain convenient to disassemble

By designing a chain assembly that is easy to disassemble, the combination of screws, pins, hexagon nuts and locking parts solves the problem of troublesome disassembly of existing chains, and achieves rapid and convenient disassembly of the chain.

CN222798055UActive Publication Date: 2025-04-25SUZHOU FUBANG MASCH CHAIN TRANSMISSION MFG CO LTD
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Patent Information

Application Number
CN202421042458.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-14
Publication Date
2025-04-25
Estimated Expiration
2034-05-14

AI Technical Summary

Technical Problem

The existing chain is more troublesome when disassembling, mainly due to the coordination between the pin and the outer link plate and the sleeve and the inner link plate, making it difficult to disassemble quickly.

Method used

A chain assembly including a first connecting mechanism and a second connecting mechanism is designed, and the chain is easily disassembled by a combination of a screw, a pin, a hexagon nut and a locking member. The specific steps include loosening the locking member, unscrew the hex nut, removing the outer and inner link plates, and finally disassembly the connecting mechanism.

Benefits of technology

Through this design, the disassembly process of the chain becomes more convenient and quick, reducing the complexity and time of disassembly and improving operational efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of transmission chains, in particular to a chain convenient to disassemble, which comprises a plurality of chain components. The chain assembly comprises a first connecting mechanism and a second connecting mechanism; the first connecting mechanism comprises a first outer chain plate, two pin shafts, two screw rods, a second outer chain plate, two hexagon nuts and a locking piece; the second connecting mechanism comprises a first inner chain plate, two sleeves and a second inner chain plate; during connection, one sleeve is arranged on one pin shaft in a sleeving mode, the second inner chain plate is arranged on one sides of the two sleeves in a sleeving mode, then the second outer chain plate is arranged on one sides of the two pin shafts in a sleeving mode, the two hexagon nuts are screwed on, the locking piece is used for locking, the first connecting mechanism and the second connecting mechanism are alternately connected to form a chain, and during disassembly, the locking piece is loosened, so that the chain is disassembled. Two hexagon nuts are screwed off, a second outer chain plate is detached, then a second inner chain plate can be detached, and a first connecting mechanism and a second connecting mechanism are detached; and therefore, disassembly can be conveniently carried out.
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Description

Technical Field

[0001] The utility model relates to the technical field of transmission chains, in particular to a chain which is easy to disassemble. Background Art

[0002] Chains are generally metal links or rings, mostly used for mechanical transmission and traction. Chain-shaped objects used to block traffic passages (such as in streets, rivers or harbor entrances), and chains used for mechanical transmission. Chains can be divided into short pitch precision roller chains, short pitch precision roller chains, heavy-duty transmission bent plate roller chains, cement machinery chains, leaf chains, and high-strength chains.

[0003] The chain in the prior art generally consists of outer chain links, pins, sleeves, rollers, outer link plates, inner link plates, etc. The pins and outer link plates have an interference fit, the sleeves and inner link plates also have an interference fit, the sleeves and pins have a clearance fit, and the rollers and sleeves have a clearance fit.

[0004] However, when the above method is adopted, the pin shaft and the outer link plate adopt an interference fit, and the sleeve and the inner link plate also adopt an interference fit, which makes it difficult to disassemble the entire chain. Utility Model Content

[0005] The utility model aims to provide a chain which is easy to disassemble and can be conveniently disassembled.

[0006] To achieve the above-mentioned purpose, the utility model provides a chain that is easy to disassemble, including a plurality of chain components;

[0007] The chain assembly includes a first connecting mechanism and a second connecting mechanism;

[0008] The first connecting mechanism includes a first outer link plate, two pins, two screws, a second outer link plate, two hexagonal nuts and a locking piece; the two pins are respectively fixedly connected to the first outer link plate and are respectively located on one side of the first outer link plate; the two screws are respectively fixedly connected to the two pins and are respectively located on one side of the two pins; the second outer link plate is sleeved on one side of the two pins; the two hexagonal nuts are respectively threadedly connected to the two screws and are respectively located on one side of the two screws; the locking piece is arranged on one side of the second outer link plate; the second connecting mechanism includes a first inner link plate, two sleeves and a second inner link plate; the first inner link plate is located on one side of the first outer link plate; the two sleeves are respectively fixedly connected to the first inner link plate and are respectively located on one side of the first inner link plate; the second outer link plate is sleeved on one side of the two sleeves.

[0009] Wherein, the second connecting mechanism further includes two rollers; the two rollers are respectively sleeved on the two sleeves.

[0010] Wherein, the locking member includes a locking plate, a buckle block and a spring; the locking plate is located on one side of the second outer link plate; the locking plate has two openings; the buckle block is slidingly connected to the second outer link plate and passes through the second outer link plate; the spring is fixedly connected to the buckle block and to the second outer link plate, and is located inside the second outer link plate.

[0011] Wherein, the locking member further comprises an extension plate; the extension plate is fixedly connected to the buckle block and is located at one side of the buckle block.

[0012] Wherein, the first connecting mechanism further includes a reinforcing member; the reinforcing member is arranged on one side of the buckle block.

[0013] Wherein, the reinforcement comprises a mounting block and a screw; the mounting block is fixedly connected to the buckle block and is located on one side of the buckle block; the screw is threadedly connected to the second outer link plate and to the mounting block, and passes through the mounting block.

[0014] The utility model discloses a chain that is easy to disassemble, wherein the screw rod and the pin shaft are integrally formed and used to install the hexagonal nut; the second outer link plate is fixed to one side of the two pin shafts by the two hexagonal nuts, and the two hexagonal nuts can be locked by the locking member so as to be unable to rotate; the sleeve can be sleeved on the pin shaft; when connecting the first connecting mechanism and the second connecting mechanism, one sleeve is sleeved on one pin shaft, at which time the first inner link plate is against one side of the first outer link plate, and then the second inner link plate is sleeved on one side of the two sleeves, and then the second outer link plate is sleeved It is arranged on one side of the two pin shafts, and the two hexagonal nuts are screwed on, and finally locked with the locking piece, so that the first connecting mechanism and the second connecting mechanism are connected, the first connecting mechanism and the second connecting mechanism are alternately connected to form a chain, and the head and the tail of the chain are also the first connecting mechanism and the second connecting mechanism respectively, which can also be connected; when disassembling, loosen the locking piece, unscrew the two hexagonal nuts, remove the second outer link plate, and then remove the second inner link plate, and disassemble the first connecting mechanism and the second connecting mechanism; so that disassembly can be convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] 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.

[0016] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0017] Figure 2 It is a structural schematic diagram of a chain assembly of the first embodiment of the utility model.

[0018] Figure 3 It is a cross-sectional view of the chain assembly of the first embodiment of the utility model.

[0019] Figure 4 It is a structural schematic diagram of the first outer link plate, the pin shaft, the screw rod and the hexagonal nut of the first embodiment of the utility model.

[0020] Figure 5 It is a schematic structural diagram of the chain assembly of the first embodiment of the utility model without rollers.

[0021] Figure 6 It is a structural schematic diagram of a chain assembly of the second embodiment of the utility model.

[0022] Figure 7 yes Figure 6 A partial enlargement of detail A.

[0023] 101-chain assembly, 102-first connecting mechanism, 103-second connecting mechanism, 104-first outer link plate, 105-pin shaft, 106-screw, 107-second outer link plate, 108-hexagonal nut, 109-locking piece, 110-first inner link plate, 111-sleeve, 112-second inner link plate, 113-roller, 114-locking plate, 115-buckle block, 116-spring, 117-extension plate, 118-opening, 201-reinforcement, 202-mounting block, 203-screw. DETAILED DESCRIPTION

[0024] The first embodiment of the present application is:

[0025] See also Figure 1-Figure 5 ,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 structural schematic diagram of a chain assembly of the first embodiment of the utility model. Figure 3 It is a cross-sectional view of the chain assembly of the first embodiment of the utility model. Figure 4 It is a structural schematic diagram of the first outer link plate, the pin shaft, the screw rod and the hexagonal nut of the first embodiment of the utility model. Figure 5 It is a schematic structural diagram of the chain assembly of the first embodiment of the utility model without rollers.

[0026] The utility model provides a chain that is easy to disassemble: comprising a plurality of chain assemblies 101; the chain assembly 101 comprises a first connecting mechanism 102 and a second connecting mechanism 103; the first connecting mechanism 102 comprises a first outer link plate 104, two pins 105, two screws 106, a second outer link plate 107, two hexagonal nuts 108 and a locking member 109; the second connecting mechanism 103 comprises a first inner link plate 110, two sleeves 111, a second inner link plate 112 and two rollers 113; the locking member 109 comprises a locking plate 114, a buckle block 115, a spring 116 and an extension plate 117; the locking plate 114 has two openings 118; the above scheme can be conveniently disassembled.

[0027] According to this specific embodiment, the chain assembly 101 includes a first connecting mechanism 102 and a second connecting mechanism 103; a plurality of the chain assemblies 101 are connected to form a chain, that is, the first connecting mechanism 102 and the second connecting mechanism 103 are alternately connected.

[0028] The first connecting mechanism 102 includes a first outer link plate 104, two pins 105, two screws 106, a second outer link plate 107, two hexagonal nuts 108 and a locking member 109; the two pins 105 are respectively fixedly connected to the first outer link plate 104 and are respectively located on one side of the first outer link plate 104; the two screws 106 are respectively fixedly connected to the two pins 105 and are respectively located on one side of the two pins 105; the second outer link plate 107 is sleeved on one side of the two pins 105; the two hexagonal nuts 108 They are respectively threadedly connected to the two screw rods 106 and are respectively located on one side of the two screw rods 106; the locking piece 109 is arranged on one side of the second outer link plate 107; the second connecting mechanism 103 includes a first inner link plate 110, two sleeves 111 and a second inner link plate 112; the first inner link plate 110 is located on one side of the first outer link plate 104; the two sleeves 111 are respectively fixedly connected to the first inner link plate 110 and are respectively located on one side of the first inner link plate 110; the second outer link plate 107 is sleeved on one side of the two sleeves 111. The screw rod 106 is integrally formed with the pin shaft 105 and is used to install the hexagonal nut 108; the second outer link plate 107 is fixed to one side of the two pin shafts 105 by the two hexagonal nuts 108, and the two hexagonal nuts 108 can be locked by the locking member 109 so as to be unable to rotate; the sleeve 111 can be sleeved on the pin shaft 105; when connecting the first connecting mechanism 102 and the second connecting mechanism 103, one sleeve 111 is sleeved on one pin shaft 105, at which time the first inner link plate 110 is against one side of the first outer link plate 104, and then the second inner link plate 112 is sleeved on one side of the two sleeves 111, and then the second outer link plate 107 is sleeved on One side of the two pins 105, and screw on the two hexagonal nuts 108, and finally lock with the locking piece 109, so as to connect the first connecting mechanism 102 and the second connecting mechanism 103, the first connecting mechanism 102 and the second connecting mechanism 103 are alternately connected to form a chain, and the head and tail of the chain are also the first connecting mechanism 102 and the second connecting mechanism 103 respectively, which can also be connected; when disassembling, loosen the locking piece 109, unscrew the two hexagonal nuts 108, remove the second outer link plate 107, and then remove the second inner link plate 112, and disassemble the first connecting mechanism 102 and the second connecting mechanism 103; so that disassembly can be convenient.

[0029] Secondly, the two rollers 113 are respectively sleeved on the two sleeves 111. The rollers 113 are sleeved on the sleeves 111 to reduce the friction between the chain and the sprocket.

[0030] Meanwhile, the lock plate 114 is located at one side of the second outer link plate 107; the lock plate 114 has two openings 118; the buckle block 115 is slidably connected to the second outer link plate 107 and passes through the second outer link plate 107; the spring 116 is fixedly connected to the buckle block 115 and the second outer link plate 107 and is located inside the second outer link plate 107. The opening 118 is adapted to the shape of the hexagonal nuts 108. After screwing on the two hexagonal nuts 108, the buckle block 115 is pushed upward to install the lock plate 114 on the two hexagonal nuts 108. When the buckle block 115 is loosened, the spring 116 pushes the buckle block 115 downward to buckle the lock plate 114, and the lock plate 114 locks the two hexagonal nuts 108 so that the two hexagonal nuts 108 cannot rotate.

[0031] In addition, the extension plate 117 is fixedly connected to the buckle block 115 and is located at one side of the buckle block 115. The extension plate 117 is used to better buckle the locking plate 114.

[0032] The chain that is easy to disassemble described in this embodiment, when connecting the first connecting mechanism 102 and the second connecting mechanism 103, one of the sleeves 111 is sleeved on one of the pins 105, at this time, the first inner link plate 110 is against the side of the first outer link plate 104, and then the second inner link plate 112 is sleeved on the side of the two sleeves 111, and then the second outer link plate 107 is sleeved on the side of the two pins 105, and the two hexagonal nuts 108 are screwed on, and finally locked with the locking member 109, so that the first connecting mechanism 10 2 and the second connecting mechanism 103 are connected, the first connecting mechanism 102 and the second connecting mechanism 103 are alternately connected to form a chain, the head and tail of the chain are also the first connecting mechanism 102 and the second connecting mechanism 103 respectively, and can also be connected; when disassembling, loosen the locking member 109, unscrew the two hexagonal nuts 108, remove the second outer link plate 107, and then remove the second inner link plate 112, and disassemble the first connecting mechanism 102 and the second connecting mechanism 103; thereby, the disassembly can be conveniently performed.

[0033] The second embodiment of the present application is:

[0034] Based on the first embodiment, please refer to Figure 6-Figure 7 ,in, Figure 6 It is a structural schematic diagram of a chain assembly of the second embodiment of the utility model. Figure 7 yes Figure 6 A partial enlargement of detail A.

[0035] The first connection mechanism 102 of the chain that is easy to disassemble provided by the utility model further includes a reinforcement member 201 ; the reinforcement member 201 includes a mounting block 202 and a screw 203 .

[0036] According to this specific embodiment, the reinforcing member 201 is arranged on one side of the buckle block 115. It is not stable enough to only use the spring 116 to press against the buckle block 115, so the reinforcing member 201 is arranged.

[0037] The mounting block 202 is fixedly connected to the buckle block 115 and is located on one side of the buckle block 115; the screw 203 is threadedly connected to the second outer link plate 107 and the mounting block 202 and passes through the mounting block 202. A threaded hole is provided at a corresponding position on the second outer link plate 107. After the buckle block 115 moves down to buckle the locking plate 114, the screw 203 is aligned with the threaded hole. At this time, the screw 203 is screwed to fix the mounting block 202 on one side of the second outer link plate 107, thereby reinforcing the buckle block 115 so that the buckle block 115 buckles the locking plate 114 stably.

[0038] The present embodiment describes a chain that is easy to disassemble, and a threaded hole is opened at a corresponding position on the second outer link plate 107. After the buckle block 115 moves down to buckle the locking plate 114, the screw 203 is just aligned with the threaded hole. At this time, the screw 203 is turned to fix the mounting block 202 on one side of the second outer link plate 107, thereby reinforcing the buckle block 115 so that the buckle block 115 can stably buckle the locking plate 114.

[0039] 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 that is easy to disassemble, characterized in that: including a plurality of chain assemblies; The chain assembly includes a first connecting mechanism and a second connecting mechanism; The first connecting mechanism includes a first outer link plate, two pins, two screws, a second outer link plate, two hexagonal nuts and a locking piece; the two pins are respectively fixedly connected to the first outer link plate and are respectively located on one side of the first outer link plate; the two screws are respectively fixedly connected to the two pins and are respectively located on one side of the two pins; the second outer link plate is sleeved on one side of the two pins; the two hexagonal nuts are respectively threadedly connected to the two screws and are respectively located on one side of the two screws; the locking piece is arranged on one side of the second outer link plate; the second connecting mechanism includes a first inner link plate, two sleeves and a second inner link plate; the first inner link plate is located on one side of the first outer link plate; the two sleeves are respectively fixedly connected to the first inner link plate and are respectively located on one side of the first inner link plate; the second outer link plate is sleeved on one side of the two sleeves.

2. A chain that is easy to disassemble as claimed in claim 1, characterized in that: The second connecting mechanism also includes two rollers; the two rollers are respectively sleeved on the two sleeves.

3. A chain that is easy to disassemble as claimed in claim 2, characterized in that: The locking member includes a locking plate, a buckle block and a spring; the locking plate is located on one side of the second outer link plate; the locking plate has two openings; the buckle block is slidably connected to the second outer link plate and passes through the second outer link plate; the spring is fixedly connected to the buckle block and to the second outer link plate, and is located inside the second outer link plate.

4. A chain that is easy to disassemble as claimed in claim 3, characterized in that: The locking member further comprises an extension plate; the extension plate is fixedly connected to the buckle block and is located at one side of the buckle block.

5. The chain that is easy to disassemble as claimed in claim 4, characterized in that: The first connecting mechanism also includes a reinforcing member; the reinforcing member is arranged on one side of the buckle block.

6. The chain that is easy to disassemble as claimed in claim 5, characterized in that: The reinforcement member includes a mounting block and a screw; the mounting block is fixedly connected to the buckle block and is located on one side of the buckle block; the screw is threadedly connected to the second outer link plate and to the mounting block, and passes through the mounting block.