TWM517033U - Chain disassembling tool - Google Patents

Description

Chain removal tool

This creation is related to the structure of the tool used to remove the chain, especially a light and easy to carry chain removal tool.

According to the chain, the chain is a common transmission tool in the machine, which can be driven between the shaft and the shaft through the connection of the chain. In the bicycle field, the chain is sleeved on the axle of the axle and the crankshaft of the crank, and when the crank drives the axle to rotate due to the pedaling action, the axle can be rotated by the chain transmission, so that the wheel of the bicycle is Driving on the road.

The chain that is traditionally used in bicycles is composed of a plurality of chain links, and if it is to be disassembled for maintenance or cleaning, the pin must be detached from the two links by a special tool, but the traditional chain is removed. It is not easy to install, so there are improved quick-release links on the market.

As shown in FIG. 6 , it is a quick release link which is mainly used for the two ends of the chain 9 to be provided with two outer chain plates 91 on two sides of the symmetry, and each outer chain plate 91 has a pin member. 92 and a through hole 93, and the through hole 93 has a large diameter section 931 and a small diameter section 932.

When the two ends of the chain 9 are assembled by the two outer chain plates 91, the pin members 92 of the outer chain plates 91 are placed in the large diameter segments 931 of the through holes 93 of the other outer link plates 91, and then, as shown in Fig. 7, By applying a force away from each other (reverse) to both ends of the chain 9, the pin member 92 can be moved by the large diameter section 931. After the small diameter section 932 is fixed, the fastening of the two ends of the chain 9 is completed.

When the two ends of the chain 9 are to be disassembled, since the user does not easily apply force, as shown in FIG. 8, the chain clamp 96 is further removed by a chain, and the outer chain plate 91 is reversely opposed. The roller 95 of the side link, and the force of the clamp 96, causes the rollers 95 of the two links to approach each other to force the pin 92 to move from the small diameter section 932 to the large diameter section 931, so that the pin 92 can be driven. The large diameter section 931 is withdrawn, and the disassembly work of both ends of the chain 9 is completed.

However, the conventional chain removal pliers are not easy to carry because of their large size, so few people will carry such a large chain to remove the pliers when riding a bicycle, so they often need to be disassembled during the riding process. In the case of chains, the dilemma of a toolless detachable chain occurs.

In view of this, how to solve the problem of the conventional chain removal pliers is the main subject of the creation.

The main purpose of this creation is to provide a chain removal tool that is easy to carry and can be used with simple hand tools.

For the purpose of the foregoing, the present invention provides a chain removal tool comprising: a socket having a platform that protrudes laterally and spans the periphery of a chain, and is respectively disposed at two ends of the platform Extendingly forming a first hook portion for inserting into the chain link of the chain, and a pivoting portion located outside the chain link of the chain; a pulling member having one end bent to form a first hook portion relatively The second hook portion is disposed, and the other end of the trigger member defines a biasing end, and the pivoting member is pivotally connected to the socket by a pivotal position between the second hook portion and the biasing end. In the upper part, by pulling the force applying end, the triggering member can pivot the pivoting portion and perform a pivotal movement relative to the bearing.

Preferably, the first hook portion is bent toward the pivoting portion, and the second hook portion is bent toward the first hook portion to be opposite to the first hook portion.

Preferably, the pivoting portion has a convex shape, and a pivot hole is formed in the pivoting portion, and a pivotal position between the second hook portion and the urging end of the pulling member has a cylinder, and The cylindrical shape corresponds to the pivot hole of the bearing pivoting portion, so that the trigger member is pivotally connected to the pivot hole of the pivoting portion by the cylindrical position of the pivoting position.

Further, the urging end is provided with a polygonal hole; preferably, the polygonal hole is a hexagonal hole and can be combined with one end of an L-shaped hex wrench.

Further, the urging end of the trigger member extends integrally with an extension.

The above objects and advantages of the present invention are not difficult to understand from the detailed description of the selected embodiments and the accompanying drawings.

(customized part)

9‧‧‧Chain

91‧‧‧Outer chain board

92‧‧‧ Pins

93‧‧‧Perforation

931‧‧‧ Large diameter section

932‧‧‧Small path

95‧‧‧Roller

96‧‧‧Pliers

(this part of the creation)

11‧‧‧ 承座

12‧‧‧ platform

13‧‧‧ pivotal department

14‧‧‧ pivot hole

15‧‧‧First hook

21‧‧‧Removable parts

22‧‧‧Second hook

23‧‧‧ 施力端

24‧‧‧Multi-angle hole

25‧‧‧ pivot position

26‧‧‧Extension

30‧‧‧Chain

31‧‧‧ links

32‧‧‧Roller

41‧‧‧L type hex wrench

Fig. 1 is a perspective exploded view of the first embodiment of the present creation.

Fig. 2 is a perspective view showing the assembled first embodiment of the present invention.

Figure 3 is a schematic view showing the state of use of the first embodiment of the present invention, which is used to show that the first hook portion and the second hook portion of the present creation are respectively placed in the link portion. State.

Fig. 4 is a schematic view showing the operation of the first embodiment of the present invention when the chain link is disassembled.

Figure 5 is a schematic view showing the structure of the second embodiment of the present invention.

Figure 6 is a schematic view showing the structure of a conventional quick-release link.

Figure 7 is a schematic view of the structure of the conventional quick-release chain link after the fastening.

Figure 8 is a schematic view of a conventional quick release link when the clamp is detached.

First, please refer to the first embodiment of the present invention. The first embodiment of the chain removal tool is mainly composed of a socket 11 and a trigger member 21, which can be used for disassembling a chain. 30 link 31, where:

The socket 11 has a platform 12 protruding toward the front side and spanning the outer circumference of the chain 30, and extending outwardly from one end of the platform 12 to form a lug-shaped chain link located on the chain 30. A pivoting portion 14 is defined in the outer portion of the pivoting portion 13 , and a pivot hole 14 is defined in the pivoting portion 13 . The platform 12 extends downwardly from the other end of the pivoting portion 13 to form a first hook portion 15 . The first hook portion 15 is bent in a hook shape toward the pivot portion 13 and is inserted into the link 31 of the chain 30 to abut against the roller 32 in the link 31.

The triggering member 21 is in the shape of a plate, and has a second hook portion 22 bent in a hook shape at one end thereof, and the biasing member 21 defines a force applying end 23 at the other end relatively away from the second hook portion 22. And a polygonal hole 24 is formed on the force applying end 23, and the triggering member 21 is second A pivotal position 25 between the hook portion 22 and the biasing end 23 is pivotally connected to the pivoting portion 13 of the socket 11 , and the second hook portion 22 is bent toward the first hook portion 15 of the socket 11 . The first hook portion 15 is disposed opposite to the first hook portion 15. In the embodiment, the polygonal hole 24 on the urging end 23 is a hexagonal hole, and the pivotal position 25 between the second hook portion 22 and the urging end 23 of the urging member 21 has an integral protrusion. a cylinder having a cylindrical shape corresponding to the pivot hole 14 of the pivot portion 13 of the socket 11 , such that the trigger member 21 is pivotally connected to the socket 11 by the cylinder of the pivoting position 25 thereof. In the pivot hole 14 of the portion 13, by pulling the force applying end 23, the pivoting member 21 can be pivoted with respect to the pivoting portion 13 and pivotally moved relative to the socket 11.

The first embodiment of the present invention, which is composed of the above structure, is actually used, as shown in FIG. 3, when both ends of a chain 30 are fastened by a quick-release link 31, The quick release link 31 is disassembled, and the user only needs to first insert the first hook portion 15 of the socket 11 and the second hook portion 22 of the trigger member 21 into the chain link 31 of the chain 30, respectively. And respectively located on the outer side of the two rollers 32, the chain removal tool of the present creation can be placed over the chain link 31 of the chain 30; then, as shown in FIG. 4, the user can take an L-shaped hex wrench. 41, and one end of the L-shaped hex wrench 41 is inserted into the polygonal hole 24 (hexagonal hole) of the biasing end 23 of the triggering member 21, so that the L-shaped hex key 41 can be coupled with the urging end 23 of the triggering member 21. The arm of the force applying end 23 is extended to facilitate the user to pull the force applying end 23, and when the user applies the force to pull the L-shaped hex key 41, the triggering member 21 is simultaneously driven. The second end portion 22 of the trigger member 21 is pivoted toward the roller 32 in the link 31 by the pivot portion 13 as an axis, thereby pushing the two rollers 32 toward each other. The direction of displacement is to disassemble the link 31.

It is not difficult to find that the chain detaching tool composed of the present invention has the advantages of simple structure and low manufacturing cost, and is lighter and easier to carry because it has a smaller volume than a chain link. Advantages, and can be combined with the hand tools that are usually carried when riding a bicycle (such as the L-shaped hex wrench used to adjust the bicycle transmission), and have excellent practicability; in addition, the chain removal tool of the present creation Further, the platform 11 protrudes from the front side of the base 11 to extend over the outer periphery of the chain 30, thereby providing an occlusion and protection effect on the link 31 during the process of disassembling the link 31.

Please continue to refer to FIG. 5 , which is a second embodiment provided by the present invention, and the difference from the first embodiment is that the biasing end 23 of the triggering member 21 extends integrally with an extension 26 . The force applying end 23 is provided with an appropriate arm length for the user to directly pull the force applying end 23 by hand, and the driving member 21 is driven to pivotally move to complete the work of disassembling the link 31.

However, the disclosure of the above embodiments is merely illustrative of the present invention and is not intended to limit the present invention. Therefore, the replacement of equivalent elements should still be within the scope of the present invention.

In summary, it can be made known to those skilled in the art that the creation of the creation can indeed achieve the aforementioned objectives, and it has already met the requirements of the Patent Law, so the application is made according to law.

11‧‧‧ 承座

12‧‧‧ platform

13‧‧‧ pivotal department

14‧‧‧ pivot hole

15‧‧‧First hook

21‧‧‧Removable parts

22‧‧‧Second hook

23‧‧‧ 施力端

24‧‧‧Multi-angle hole

25‧‧‧ pivot position

Claims (6)

A chain removal tool includes: a socket having a platform extending laterally across the outer circumference of a chain, and extending at each end of the platform to form a chain for insertion into the chain a first hook portion in the chain link, and a pivoting portion located outside the chain link of the chain; a triggering member, one end of which is bent to form a second hook portion opposite to the first hook portion, the wrench The other end of the movable member defines a biasing end, and the pivoting member is pivotally connected to the pivoting portion of the socket by a pivotal position between the second hook portion and the biasing end, by pulling the force The end portion of the socket can be pivoted relative to the socket. The chain removing tool of claim 1, wherein the first hook portion is bent toward the pivoting portion, and the second hook portion is bent toward the first hook portion and the first hook portion The department is relatively set. The chain detaching tool of claim 1, wherein the pivoting portion has a lug shape, and a pivot hole is formed in the pivoting portion, and the second hook portion of the triggering member and the urging end are located between the urging portion The pivoting position has a cylinder, and the cylindrical shape thereof corresponds to the pivot hole of the bearing pivoting portion, so that the pulling member is pivotally connected to the pivot hole of the pivoting portion by the cylindrical position of the pivoting position thereof. . The chain removal tool of claim 1, wherein the force applying end has a polygonal hole. The chain removal tool of claim 4, wherein the force applying end The polygonal hole is a hexagonal hole and can be combined with one end of an L-shaped hex wrench. The chain removal tool of claim 1, wherein the biasing end of the trigger member extends integrally with an extension.