The invention relates to a hand tool used for bicycles, in detail, it refers to a detacher for disassembling a quick-linked chain.
Bicycle chain is a commonly used transmission component for bicycles. In order to facilitate bicycle users to easily disassemble and assemble bicycle chains, chain manufacturers have developed a quick-linked chain. The quick-linked chain has a pair of fasten plates for quick detaching from the chain pin of a chain and fastening with the chain pin to make the disassembly, assembly and replacement of the chain more convenient.
The above-mentioned fasten plates of the quick-linked chain must be disassembled or fastened with a special plier for quick link, as shown in FIG. 1A to FIG. 2B of Taiwan utility model No. M408455.
Although the plier for quick link is a special tool for disassembling the quick-linked chain, the plier has a certain volume, which is not convenient to be carried around by bicycle riders. With innovation being emphasized on products nowadays, the invention aims to propose a different type of hand tool for disassembling quick-linked chains.
In addition, chain breaker is a bicycle tool used to break the chain links of a chain to adjust the tightness of the chain. The plier for quick link and the chain breaker are different types of bicycle tools, and they are different in operation and purpose. In order to replace and disassemble a chain, it would be very inconvenient for bicycle riders to bring the plier for quick link and the chain breaker along with them when cycling.
The invention aims to solve the above-mentioned drawbacks, and its object is to provide a detacher for chain quick link, which is an innovative bicycle tool for disassembling quick-linked chains.
Another object of the invention is to provide a detacher for chain quick link, the detacher is not only capable of disassembling quick-linked chains, but also has the function of a chain breaker.
Yet another object of the invention is to provide a detacher for chain quick link, which can also be used for assembling quick-linked chains.
The detacher for chain quick link provided by the invention comprises:
a main body having a first end and a second end, a moving direction is formed between the first end and the second end; a fixed jaw is disposed on the main body;
a driving member having a screw portion, the screw portion is screwed into a screw hole provided at the first end of the main body, when the driving member is rotated, the driving member is capable of displacing along the moving direction toward the second end of the main body; and
a sliding member installed in the main body and capable of displacing along the moving direction; a movable jaw is disposed on the sliding member and corresponds to the fixed jaw; when the driving member displaces toward the second end of the main body, the sliding member is driven to displace toward the second end of the main body, so that the movable jaw moves toward the fixed jaw.
Thereby, the driving member linked with the sliding member together displace toward the second end of the main body, so that a distance between the movable jaw and the fixed jaw is shortened, thereby the movable jaw and the fixed jaw are capable of disassembling a quick-linked chain.
In one implementation, the driving member has a driving portion, and the driving portion drives the sliding member to displace toward the second end of the main body.
In one implementation, the driving member forms the driving portion with one end of the screw portion facing the second end of the main body.
In one implementation, the main body has a slideway disposed along the moving direction; the sliding member is disposed in the slideway.
In one implementation, the driving member is provided with a pin at one end of the screw portion facing the second end of the main body, and the pin is inserted into the sliding member to restrain the sliding member.
In one implementation, the fixed jaw is provided on a bottom side of the main body; the movable jaw passes through a through groove of the main body to reach the bottom side of the main body.
In one implementation, the sliding member is provided with a perforation, the perforation is provided along the moving direction and penetrates through the sliding member; one end of the screw portion facing the second end of the main body is provided with a pin along an axial direction of the screw portion, the pin is inserted into the perforation of the sliding member and protrudes from the sliding member; an accommodating space is disposed on a top side of the main body; when the driving member displaces toward the second end of the main body, the pin is capable of moving into the accommodating space; a receiving chamber is disposed at the second end of the main body and located in an axial direction of the pin.
With the above structure, the detacher can be used to break the chain, so that the detacher has the function of a chain breaker.
In one implementation, the driving member drives the sliding member to displace toward the first end of the main body together, so that the movable jaw is away from the fixed jaw. Thereby, a distance between the movable jaw and the fixed jaw is increased for assembling the quick-linked chain.
In one implementation, the sliding member is provided with a perforation along the moving direction; the screw portion is provided with a pin at one end facing the second end of the main body, the pin is inserted into the perforation of the sliding member; a second driving portion is provided on the pin, the driving member drives the sliding member to displace toward the first end via the second driving portion.
In one implementation, the main body is provided with a grip for an operator to hold; or the main body is provided with a pivotal portion so that the detacher can be pivotally connected to a folding tool set as one of the tools of the folding tool set.
The objects, features, and achieved efficacies of the invention can be understood from the description and drawings of the following preferred embodiments, in which:
Please refer to
The main body 20 is generally an elongated body, two ends thereof are respectively a first end 21 and a second end 22, a moving direction M is formed between the first end 21 and the second end 22; a screw hole 23 is provided at the first end 21 of the main body 20; a fixed jaw 24, as shown in
The driving member 30 is in the form of a screw member, and has a screw portion 32 and an operating end 34 located at an outer end of the screw portion 32. The screw portion 32 of the driving member 30 is screwed into the screw hole 23 of the first end 21 of the main body 20, an axial direction of the screw hole 23, an axial direction of the screw portion 32 and a direction of the slideway 25 are parallel to the moving direction M. The operating end 34 can be operated by hand tools such as a hexagonal wrench or an open-end wrench to rotate the driving member 30. The operating end 34 can be made into any form, such as an inner hexagonal hole or a hexagonal head, which is not limited by the form shown in the figures. When the driving member 30 is rotated clockwise or counterclockwise, the driving member 30 is driven to be capable of displacing forward towards or away from the second end 22 of the main body 20 along the moving direction M.
The sliding member 40 is installed in the slideway 25 of the main body 20 and capable of displacing along the moving direction M; a movable jaw 42 is provided on the sliding member 40 and corresponds to the fixed jaw 24 of the main body 20, as shown in
When the detacher 10 is used to disassemble a quick-linked chain 50, as shown in
When disassembling the chain 50, the fixed jaw 24 and the movable jaw 42 are positioned to contact with outer sides of rollers 56 of the two fasten pins 54, 55, and a hand tool, such as a hexagonal wrench 60, is used to rotate the driving member 30 from the operating end 34, so that the driving member 30 is moved toward the second end 22 along the moving direction M, and the sliding member 40 is synchronously driven to move toward the second end 22. As a result, as shown in
In this embodiment, the driving member 30 can further be provided with a pin 36 on an inner end of the screw portion 32 along the axial direction of the screw portion 32, and the pin 36 is inserted into the sliding member 40 from one end of the sliding member 40, it is not necessary for the pin 36 to protrude from another end of the sliding member 40. Thereby, the pin 36 serves as a design for restraining the sliding member 40, so that the sliding member 40 will not detach from the main body 20, and the pin 36 also has a function of stabilizing displacement of the sliding member 40.
Please refer to
This embodiment further enables the detacher 10 to combine the function of a chain breaker. Please refer to
When the detacher 10 is used for breaking a chain, as shown in
The detacher 10 can be made into a single hand tool or used as one of components of a folding tool set.
Or, as shown in
The detacher of the invention is an innovative structure tool for disassembling and assembling the quick-linked chain, which is different from the conventional pliers for quick link. A size of the detacher is smaller than that of pliers for quick link, and it takes less space to carry around. Furthermore, the detacher of the invention perfectly integrates the function of the chain breaker, so that a single tool has the dual purposes of disassembling, assembling the quick-linked chain and breaking the chain, and the convenience and efficiency of use can be improved. Moreover, because the detacher of the invention has the functions of breaking the chain and disassembling, assembling the quick-linked chain, the folding tool set can be equipped with other types of tools, and the types of tools of the folding tool set can be increased.
It is to be understood that the above description is only the embodiments of the invention and is not used to limit the present invention, and changes in accordance with the concepts of the present invention may be made without departing from the spirit of the present invention. For example, the equivalent effects produced by various transformations, variations, modifications and applications made to the configurations or arrangements shall still fall within the scope covered by the appended claims of the present invention.
Number | Date | Country | Kind |
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110136438 | Sep 2021 | TW | national |