Double-roller chain
Through the innovative design of the inner plate, insert, rotator, and locking pin, the problem of the chain's inability to adjust its width is solved, enabling flexible adaptation and quick installation and disassembly of the chain, thus improving ease of use and transmission stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HANGZHOU QIANJIANG CHAIN TRANSMISSION CO LTD
- Filing Date
- 2024-12-26
- Publication Date
- 2026-04-10
AI Technical Summary
The existing chain cannot be adjusted in width and needs to be adapted to the sprocket, which is inconvenient to use.
The design incorporates an inner plate, insert, rotator, locking pin, and tensioning spring. The chain is flexibly adaptable and quickly installed and disassembled through the rotatable connection between the rotator and the insert and the insertion of the insert into the inner plate.
It improves the ease of use and flexibility of the chain, can adapt to sprockets with different tooth thicknesses, reduces wear, and enhances transmission stability and overall performance.
Smart Images

Figure CN224107618U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to chain technology field, concretely is a double-roller chain. BACKGROUND
[0002] Chain is generally metal chain ring or annular, is used for mechanical transmission, traction, chain-shaped object for obstructing traffic passage, chain used in mechanical transmission, in similar products, according to the basic structure of chain, i.e. according to the shape of element and the parts and positions meshing with chain, the size ratio between parts, etc. to divide the chain product series.
[0003] For example, Chinese patent (announcement number: CN219413412U) chain relates to the technical field of chain, including two inner chain plates, two the inner chain plate between fixedly installed sleeve, the inner chain plate one side is provided with first outer chain plate, the first outer chain plate one side is fixed in the installation pin, the installation pin slides through the both sides of sleeve, the inner chain plate is provided with second outer chain plate away from the first outer chain plate side, the second outer chain plate one side is provided with mounting hole, the installation pin passes through the mounting hole, the installation pin top end is provided with thread hole, the second outer chain plate top end is provided with bolt, the bolt is screwed with the thread hole, the second outer chain plate top end is provided with round hole groove, the screw head of bolt is located in the round hole groove, the chain of the application, simple structure, convenient to use, strong connectivity, convenient for installation and disassembly of installation pin, facilitate reuse, enhance practicability.
[0004] The patent improves the convenience of chain by installing and dismounting the installation pin, but the chain width cannot be adjusted, and the chain wheel needs to be adapted, which is inconvenient to use, so a double-roller chain is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] In view of the deficiencies of the prior art, the utility model provides a double-roller chain, which has the advantages of convenient use and solves the problem of inconvenient use of the chain.
[0006] To achieve the above object, the utility model provides the following technical scheme: a double-roller chain, including two inner plates, the inner side of two the inner plate is movably connected with the insert sleeve, two the insert sleeve opposite sides are fixed with the outer plate, two the insert sleeve inner sides are rotatably connected with the rotating sub, two the rotating sub are located on the same central axis and there is a gap between them.
[0007] By adopting the technical scheme, it is beneficial to realize the adaptation of different tooth thickness, thereby improving the flexibility of chain use, and through the setting of the dismounting assembly, the installation and dismounting of the structure are realized, thereby improving the convenience of chain use.
[0008] Further, the rotating sub-activity set on the plug and with the plug rotating connection.
[0009] Through the design of two rotating sub, it is beneficial to improve the overall chain precision and concentricity, and further improve the use effect of the overall chain.
[0010] Further, the outer side of the two plug is slidingly connected with a rotating cylinder, and the opposite side of the two inner plate is fixed with a disassembly assembly, and the opposite side of the two disassembly assembly is fixed with a locking column, and the two rotating sub is fixed with a tightening spring, and the inner side of the rotating sub is movably connected with the locking column.
[0011] By adopting the technical scheme, it is beneficial to the connection of the plug, thereby facilitating the rapid installation of the overall chain.
[0012] Further, the top of the inner plate is provided with a plug interface penetrating to the bottom thereof, the plug is plugged with the inner plate through the plug interface, the inner side of the locking column is provided with a rotating channel, the outer side of the rotating sub is fixed with a rotating ring, and the rotating ring is rotatably connected with the locking column through the rotating channel.
[0013] By adopting the technical scheme, it is beneficial to the smoothness of the rotating sub, and beneficial to the improvement of the rotating stability of the rotating sub, and further beneficial to the stable use of the overall chain.
[0014] Further, the inner side of the rotating cylinder is provided with a sliding channel, and the outer side of the plug is fixed with a sliding ring, and the sliding ring is slidingly connected with the rotating cylinder through the sliding channel.
[0015] By adopting the technical scheme, it is beneficial to the sliding displacement of the plug, and it is also beneficial to realize the movement of the outer plate and the inner plate, thereby improving the flexibility of the chain.
[0016] Further, the disassembly assembly comprises an outer shell, a connecting block and a locking assembly, the outer side of the outer shell away from the tightening spring is fixed with the inner plate, the connecting block is movably connected with the inner side of the outer shell, and the locking assembly is abutted with the inner side of the connecting block.
[0017] By adopting the technical scheme, it is beneficial to shrink the two sides through the tightening spring, thereby realizing the stability between the chain and the sprocket, and further improving the use stability.
[0018] Further, the back of the connecting block is fixed with a plug, the inner side of the back of the outer shell is provided with a socket, and the connecting block is plugged with the outer shell through the socket.
[0019] By adopting the technical scheme, it is beneficial to the rapid installation of the connecting block, thereby facilitating the rapid positioning of the connecting block and the outer shell, and further improving the overall use stability.
[0020] Further, the top of the connecting block is provided with a mounting hole penetrating to the bottom thereof, and the locking column is fixed with the connecting block through the mounting hole.
[0021] By adopting the technical scheme, the locking column and the connecting block are fixed, and the stability of the locking column and the rotating sub is improved through the protection of the connecting block.
[0022] Further, the locking assembly comprises a rotating plate, a connecting column and a locking disc, the rotating plate is hinged to the inner side of the shell, the connecting column is fixed to the front surface of the rotating plate, the locking disc is threadedly connected to the outer side of the connecting column, and the back surface of the locking disc is attached to the front surface of the connecting block.
[0023] By adopting the technical scheme, the locking disc extrudes the connecting block, the connecting block is quickly fixed, and the convenience of installation and disassembly of the whole chain is improved.
[0024] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:
[0025] The double-roller chain is connected with the rotating cylinder and the insertion cylinder through sliding, and is matched with the tightening of the tightening spring, so that the chain is adapted to different tooth thicknesses, the flexibility of the chain is improved, the use convenience is improved, the use effect of the whole chain is improved, the locking column and the rotating sub are disassembled and assembled through the disassembly assembly, the use convenience of the whole chain is further improved, the whole chain is convenient to disassemble and assemble, is convenient to use, can be adapted to different tooth thicknesses, and is high in use convenience. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 FIG. 1 is a structural schematic view of the embodiment 1 of the present application;
[0027] Figure 2 FIG. 2 is a structural schematic view of the embodiment 2 of the present application;
[0028] Figure 3 FIG. 3 is a half-partial structural schematic view of the embodiment 2 of the present application;
[0029] Figure 4 FIG. 4 is a full-partial structural schematic view of the embodiment 2 of the present application;
[0030] Figure 5 FIG. 5 is a structural perspective view of the disassembly assembly in the embodiment 2 of the present application;
[0031] Figure 6 FIG. 6 is a structural perspective view of the locking assembly in the embodiment 2 of the present application.
[0032] In the figure: 1, inner plate; 2, plug-in cylinder; 3, outer plate; 4, disassembly assembly; 401, shell; 402, connecting block; 403, locking assembly; 4031, rotating plate; 4032, connecting column; 4033, locking disc; 5, locking column; 6, rotating sub; 7, tightening spring; 8, rotating cylinder. DETAILED DESCRIPTION
[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0034] Embodiment 1, please refer to Figure 1 A double-roller chain, comprising two inner plates 1, the inner side of the two inner plates 1 is movably connected with a plug-in cylinder 2, the side opposite to the plug-in cylinder 2 is fixed with an outer plate 3, the inner side of the two plug-in cylinders 2 is rotatably connected with a rotating sub 6, the two rotating subs 6 are located on the same central axis and there is a gap between them, and the rotating sub 6 movably sleeves the plug-in cylinder 2 and is rotatably connected with the plug-in cylinder 2.
[0035] It can be understood that, through the setting of the plug-in cylinder 2 and the plug-in port, the plug-in cylinder 2 and the plug-in port are plugged, thereby facilitating the preliminary stability between the plug-in cylinder 2 and the inner plate 1, thereby facilitating the improvement of the stability of the chain in use, and further facilitating the improvement of the transmission effect and the transmission stability of the chain, and the improvement of the overall use effect, through the setting of the two rotating subs 6, the precision and concentricity of the rotating sub 6 are improved, the transmission effect of the chain is improved, and the use effect of the overall chain is improved.
[0036] It can also be understood that the top of the inner plate 1 is provided with a plug-in port penetrating to the bottom thereof, and the plug-in cylinder 2 is plugged with the inner plate 1 through the plug-in port.
[0037] It should be noted that, through the structural setting, the activity of the chain is facilitated, thereby facilitating the adaptation to different chain teeth, thereby facilitating the improvement of the use flexibility of the chain, and further facilitating the improvement of the use convenience of the chain, through the activity of the inner plate 1 and the outer plate 3, thereby facilitating the improvement of the flexibility of the chain in use.
[0038] Embodiment 2, please refer to Figures 2 to 6, in order to improve the convenience of use, the embodiment proposes to disassemble the assembly 4, the outer side of the two insertion barrels 2 is slidably connected with the rotating barrel 8, the opposite side of the two inner plates 1 is fixed with the disassembly assembly 4, the opposite side of the two disassembly assemblies 4 is fixed with the locking column 5, the two rotating sub 6 is fixed with the tightening spring 7, and the rotating sub 6 is movably connected with the inner side of the locking column 5.
[0039] Through the setting of the disassembly assembly 4, the quick disassembly and installation of the structure is realized, and the convenience of the chain use is further improved. Through the movable connection setting of the rotating sub 6 and the locking column 5, the friction of the chain during transmission is reduced, the stability of the transmission is improved, the wear of the chain during transmission is reduced, the stability of the chain use is improved, and the overall chain use effect is improved.
[0040] It is not difficult to understand that through the setting of the rotating channel and the rotating ring, the rotating ring is rotatably connected with the locking column 5 through the rotating channel, so as to facilitate the rotating connection of the rotating sub 6, thereby improving the stability of the rotating sub 6, and further improving the stable use of the overall chain.
[0041] It is not difficult to understand that the inner side of the rotating barrel 8 is provided with a sliding channel, and the outer side of the insertion barrel 2 is fixed with a sliding ring.
[0042] Through the setting of the sliding channel, the lifting of the sliding ring is facilitated, the lifting stability of the sliding ring is improved, and the use stability of the overall chain is improved. Through the sliding connection setting, the lifting displacement of the insertion barrel 2 is realized, so as to realize the extension of the inner plate 1 and the outer plate 3, thereby realizing the function of adapting to different tooth thicknesses, and improving the use flexibility.
[0043] The disassembly assembly 4 comprises a shell 401, a connecting block 402 and a locking assembly 403, the shell 401 is fixed with the inner plate 1 away from the tightening spring 7, the connecting block 402 is movably connected with the inner side of the shell 401, and the locking assembly 403 is in abutment with the inner side of the connecting block 402.
[0044] It should be explained that through the setting of the plug and the socket, the connecting block 402 and the shell 401 are inserted, so as to realize the preliminary locking of the connecting block 402 and the shell 401, thereby improving the convenience of the overall chain installation, and further improving the convenience of the overall chain use.
[0045] It should be explained that the connecting block 402 is inserted with the shell 401 through the socket, the top of the connecting block 402 is provided with a mounting hole penetrating through the bottom thereof, the locking column 5 is fixed with the connecting block 402 through the mounting hole, and the locking assembly 403 is in abutment with the inner side of the connecting block 402.
[0046] Need to be described, through the installation of the mouth, is conducive to the connection block 402 and the locking column 5 fixed, thus facilitating the realization of locking column 5 and rotating sub 6 and disassembly assembly 4 installation and disassembly, thus facilitating the internal structure of the check maintenance, thus facilitating the overall chain use convenient, and further facilitate the overall chain use effect of ascension.
[0047] Also need to be described, locking assembly 403 includes rotating plate 4031, connecting column 4032, and locking disc 4033, rotating plate 4031 with the inner side of the shell 401 hinged.
[0048] It is necessary to point out that, through the hinge setting, is conducive to the realization of rotating plate 4031 rotation, thus facilitating the rotating plate 4031 located in the connecting block 402, thus the preliminary limiting of connecting block 402, thus facilitating the stability of the connecting block 402, and further facilitate the overall use of stability of ascension.
[0049] It is also necessary to point out that, connecting column 4032 and the front of the rotating plate 4031 fixed, locking disc 4033 and the outer side of the connecting column 4032 screw connection, the back of the locking disc 4033 and the front of the connecting block 402.
[0050] It is well known that, through the screw connection of connecting column 4032 and locking disc 4033 setting, realize through the locking disc 4033 for connecting block 402 locking, thus facilitating the realization of locking column 5 and rotating sub 6 installation, thus facilitating the improvement of the overall structure use of convenience, through the quick disassembly of locking column 5 and rotating sub 6, improve the use effect of chain, the overall chain use effect is good.
[0051] The embodiment, through the disassembly assembly 4 setting, is conducive to the locking column 5 and rotating sub 6 installation, thus facilitating the improvement of the overall chain use of convenience, through the setting of locking assembly 403, is conducive to the locking column 5 through the rotating plate 4031 limiting, at the same time through the locking disc 4033 for connecting column 4032 screw connection, thus facilitating the realization of locking column 5 and rotating sub 6 installation, is conducive to the improvement of the operation of convenience, and further facilitate the overall chain use of ascension of convenience.
[0052] The working principle of the above embodiment is:
[0053] When the roller needs to be installed, the locking column 5 and the connecting block 402 fixed therewith are inserted into the shell 401, then the rotating plate 4031 is rotated by the hinging action to make the rotating plate 4031 located inside the connecting block 402, then the threads on the outside of the connecting column 4032 are screwed with the locking disc 4033 to press the connecting block 402 by the locking disc 4033, thereby realizing the fixation of the locking column 5, and the rotation of the rotating sub 6 and the locking column 5, thereby realizing the stability of the roller, when a gear with large tooth thickness is inserted, the two side inner plates 1 are pressed to drive the insertion cylinder 2 to slide on the rotating cylinder 8, thereby realizing the extension of the distance between the two side inner plates 1, the elasticity of the tightening spring 7 is used to tighten the two side inner plates 1, thereby realizing the stability between the chain wheel and the chain, the whole chain is convenient to disassemble, and can be adapted to chain wheels with different tooth thicknesses.
Claims
1. A double-roller chain comprising two inner plates (1), characterized in that: Both sides of the inner plate (1) are movably connected with the plug (2), and the opposite sides of the two plug (2) are fixedly connected with the outer plate (3). The two rotating sub (6) are located on the same axis and have a gap between them. The rotating sub (6) is movably sleeved on the plug (2) and is rotatably connected with the plug (2). Wherein, the outer side of the two plug (2) is slidably connected with the rotating cylinder (8), and the opposite side of the two inner plate (1) is fixedly connected with the disassembly assembly (4). The opposite side of the two disassembly assembly (4) is fixedly connected with the locking column (5). The rotating sub (6) is movably connected with the inner side of the locking column (5), and the two rotating sub (6) are fixedly connected with the tightening spring (7).
2. A double-roller chain as set forth in claim 1, characterized in that: The top of the inner plate (1) is provided with a plug interface penetrating to the bottom, the plug (2) is plugged with the inner plate (1) through the plug interface, the inner side of the locking column (5) is provided with a rotating channel, the outer side of the rotating sub (6) is fixedly connected with a rotating ring, and the rotating ring is rotatably connected with the locking column (5) through the rotating channel.
3. A double-roller chain as set forth in claim 2 wherein: The inner side of the rotating cylinder (8) is provided with a sliding channel, and the outer side of the plug (2) is fixedly connected with a sliding ring. The sliding ring is slidably connected with the rotating cylinder (8) through the sliding channel.
4. A double-roller chain as set forth in claim 3 wherein: The disassembly assembly (4) comprises an outer shell (401), a connecting block (402) and a locking assembly (403). The side of the outer shell (401) away from the tightening spring (7) is fixedly connected with the inner plate (1), and the connecting block (402) is movably connected with the inner side of the outer shell (401).
5. A double-roller chain as set forth in claim 4 wherein: The back of the connecting block (402) is fixedly connected with a plug, and the inner side of the back of the outer shell (401) is provided with a socket. The connecting block (402) is plugged with the outer shell (401) through the socket.
6. A double-roller chain as set forth in claim 5, wherein: The top of the connecting block (402) is provided with an installation port penetrating to the bottom, and the locking column (5) is fixedly connected with the connecting block (402) through the installation port.
7. A double-roller chain as set forth in claim 6 wherein: The locking assembly (403) comprises a rotating plate (4031), a connecting column (4032) and a locking disc (4033). The rotating plate (4031) is hingedly connected with the inner side of the outer shell (401). The connecting column (4032) is fixedly connected with the front of the rotating plate (4031). The locking disc (4033) is screwedly connected with the outer side of the connecting column (4032). The back of the locking disc (4033) is attached to the front of the connecting block (402).
Citation Information
Patent Citations
Chain
CN219413412U