TW201634194A - Chain tool - Google Patents

Chain tool Download PDF

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Publication number
TW201634194A
TW201634194A TW104109487A TW104109487A TW201634194A TW 201634194 A TW201634194 A TW 201634194A TW 104109487 A TW104109487 A TW 104109487A TW 104109487 A TW104109487 A TW 104109487A TW 201634194 A TW201634194 A TW 201634194A
Authority
TW
Taiwan
Prior art keywords
rod
chain
hook
item
rods
Prior art date
Application number
TW104109487A
Other languages
Chinese (zh)
Other versions
TWI611875B (en
Inventor
Tomonari Ichikawa
Original Assignee
Tomonari Ichikawa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tomonari Ichikawa filed Critical Tomonari Ichikawa
Priority to TW104109487A priority Critical patent/TWI611875B/en
Publication of TW201634194A publication Critical patent/TW201634194A/en
Application granted granted Critical
Publication of TWI611875B publication Critical patent/TWI611875B/en

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Abstract

A chain tool is composed of two plate-shaped rods that are pivotally connected together, wherein each of the plate-shaped members respectively includes a first end and a second end opposite to the first end, the first The end is provided with a hook portion for inserting into a chain link of the chain, and the hook portion is bent toward the roller in the chain link, and a joint portion is disposed between the first end and the second end, The connecting portion can be pivotally connected to the connecting portion of the other plate-shaped member, so that the plate-shaped member and the other plate-shaped member can be pivoted relative to each other by the connecting portion, and each of the plate-shaped members is One side of the two ends is provided with a notch, which can be used as a wrench or a bottle opener according to different uses, so that the chain tool of the invention is not only convenient to carry, but also has the function of multifunctional use.

Description

Chain tool

The invention relates to a tool structure for disassembling a chain, in particular to a chain tool which is easy to carry and has a multi-purpose use.

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 links that can be quickly disassembled.
As shown in Fig. 10, the link that can be quickly disassembled and used is mainly provided at the two ends of the chain 9 with two outer chain plates 91 on both sides of the symmetry, and each outer chain plate 91 has a pin respectively. The member 92 has 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 section 931 of the through hole 93 of the other outer chain plate 91, and then a clamp is used. Shown by the rollers 95 on both sides of the outer chain plate 91, and the forceps of the clamps are made to move the rollers 95 of the two side links away from each other, and the pin member 92 is moved from the large diameter section 931 to the small diameter section. After 932 is fixed, that is, the fastening of both ends of the chain 9 is completed.
On the other hand, when the two ends of the chain 9 are to be detached, as shown in FIG. 11, a pair of clamps 96 are required to be reversely pressed against the rollers 95 of the links on both sides of the outer chain plate 91, and When the forceps 96 is pulled out and the rollers 95 of the two side links are brought close to each other, and the pin member 92 is moved from the small diameter section 932 to the large diameter section 931, the pin member 92 can be withdrawn from the large diameter section 931 to The separation of the ends of the chain 9 is completed.
However, the fastening and separation of the two ends of the chain must be completed by two different clamps, and the two different clamps have a problem of occupying space, and the use of the clamps may be confused due to structural similarity. The problem of misuse and misuse is inconvenient to use; further, riding a bicycle, for example, the rider is as hoping to reduce the load when riding, so it is impossible to carry too many tools on the body.
In view of this, how to solve the problems of the above conventional chain tool is the main subject of the present invention.

The main object of the present invention is to provide a chain tool which is easy to carry and has a multi-functional use.
In order to achieve the foregoing objects, the present invention provides a chain tool having two rod members that are pivotally coupled together, wherein each of the rod members includes a first end and a first end In the opposite second end, the first end is provided with a hook portion for inserting into a chain link of the chain, and the hook portion is bent toward one side to form a roller which can abut against the roller in the chain link. An engaging portion is disposed between the first end and the second end, and the connecting portion is pivotally connected to the connecting portion of the other member, so that the connecting member can be connected to the other member Pivot for the axis.
Preferably, each of the rod members is in the form of a sheet.
Preferably, at least one of the sides of the second end of the rod member is provided with a notch, and the notch has two clamping faces which are disposed at opposite intervals.
Preferably, each of the rods is provided with two parallel spaced grooves at the first end thereof, such that the hook portions are formed between the two grooves, and a pair of the hook portions are respectively formed on the two sides of the hook portion. The auxiliary hook that is bent in the same direction.
Preferably, if the connecting portions on each of the rod members are respectively formed by an opening, and the two rod members are respectively relatively fastened by the connecting portions of the openings, the connecting portions of the two rod members can be The shaft is relatively pivoted.
Preferably, each of the rods has a hook portion formed directly outwardly at a first end thereof, and a scoop-shaped scoop portion is formed at an extending end of the second end thereof.
Preferably, at least one side of the second end of the rod member is provided with a notch, and a hook portion is protruded in the notch.
Preferably, the connecting portion of one of the rods is formed by a protruding column which is perpendicularly intersected with the extending direction of the rod member, and two opposite sides are formed on the extended end of the protruding rod. a wing piece, and the connecting portion of the other rod member is formed by a through hole through which the protruding post and the wing piece are correspondingly disposed, and the protruding post is rotated through the through hole and rotated by an angle. The two fins on the protruding post are abutted against the outer peripheral surface of the other side of the through hole, so that the two rod members are pivotally connected to each other.
Preferably, the connecting portions of each of the rods are respectively formed by a protrusion and a groove disposed opposite to the protrusion, and the shape of the protrusion and the groove correspond to each other.
The above objects and advantages of the present invention will be readily understood from the following detailed description of the embodiments of the invention.
(customized part)
9‧‧‧Chain 91‧‧‧External chain plate 92‧‧‧Spinning 93‧‧‧Perforation 931‧‧‧ Large-diameter section 932‧‧‧ Small-diameter section 95‧‧‧Roller 96‧‧‧ clamps ( Part of the invention)
10‧‧‧ rods 11‧‧ ‧ first end 12 ‧ ‧ second end 13 ‧ ‧ hooks 131 ‧ ‧ actuating surface 14 ‧ ‧ joints 141 ‧ ‧ studs 142 ‧ ‧ wings 143‧‧‧Tongkong 144‧‧ ‧Bumps 145‧‧‧ Groove 15‧‧‧Gap 151‧‧‧Clamped 152‧‧‧Hooking Department 16‧‧‧ Groove 17‧‧‧Auxiliary Hook 18‧‧‧digger 20‧‧‧Chain 21‧‧‧Chain 22‧‧‧Roller

Fig. 1 is an exploded perspective view showing a first embodiment of the present invention.
Fig. 2 is a view showing the state of use of the first embodiment of the present invention.
Fig. 3 is a schematic view showing the operation of the disassembling link in the first embodiment of the present invention.
Figure 4 is a schematic view showing the actuation of the fastening link of the first embodiment of the present invention.
Figure 5 is a schematic view showing the structure of a second embodiment of the present invention.
Figure 6 is a schematic view showing the structure of a third embodiment of the present invention.
Figure 7 is a schematic view showing the structure of a joint portion of a fourth embodiment of the present invention.
Fig. 8 is a schematic view showing the structure of the joint portion of the fourth embodiment of the present invention after being assembled to each other.
Figure 9 is a schematic view showing the structure of a joint portion of a fifth embodiment of the present invention.
Figure 10 is a schematic diagram of the assembly of the conventional chain with a quick-disassembling link.
Figure 11 is a schematic view of the conventional chain with the pliers removed from the link.

Referring first to FIGS. 1 to 3, a first embodiment of a chain tool according to the present invention is mainly composed of two rod members 10 which can be pivotally connected to each other in a fast manner, wherein:
The two rod members 10 are in the form of a plate, and each of the rod members 10 includes a first end 11 and a second end 12 opposite to the first end 11 , and a first end 11 is provided on the first end 11 . a hook portion 13 for inserting into a chain link 21 of a chain 20, and the hook portion 13 is bent toward one side to form an actuating surface 131 which can abut against the roller 22 in the link 21, and A connecting portion 14 is disposed between the first end 11 and the second end 12, and the connecting portion 14 can be quickly pivotally connected to the connecting portion 14 of the other rod member 10, so that the rod member 10 and the other rod member 10 can be The connecting portion 14 is pivoted relative to the shaft, and a notch 15 is formed on one side of the second end 12 of the rod member 10. The notch 15 has two clamping faces 151 disposed at opposite intervals, and the notch 15 is The two clamping faces 151 are relatively close to the opposite sides of a nut (not shown) for locking the nut. In the first embodiment, each of the rods 10 is provided with two parallel spaced grooves 16 at the first end 11 thereof, so that the hook portions 13 are formed between the two grooves 16 and The two sides of the hook portion 13 are respectively formed with an auxiliary hook portion 17 bent in the same direction as the hook portion 13 , and the connecting portion 14 is formed by opening an opening on one side of the rod member 10 to make the two rod members After the connecting portions 14 having the openings are respectively relatively fastened, the two rod members 10 can pivot relative to each other with the connecting portion 14 as an axis.
The first embodiment of the present invention, which is composed of the above structure, is actually used, as shown in FIGS. 2 and 3, when both ends of a chain 20 are fastened by a quick-disconnectable link 21, If the link 21 is to be disassembled, it is only necessary to turn the actuating surface 131 on the hook portion 13 of the first end 11 of the two rods 10 to the opposite positions, and then the connecting portions 14 which are open-shaped respectively The cross-links are fastened together, and then the hook portions 13 of the two-bar member 10 are placed in the links 21 of the chain 20 to be respectively located outside the two rollers 22, and only the second member 10 is required. The two ends 12 are biased by abutting force, and the actuating surface 131 on the hook portion 13 of the first end 11 of the two rod members 10 is pivoted to urge the two rollers 22 toward each other. The direction is displaced to disassemble the link 21.
On the contrary, when the link 21 is to be fastened again, as shown in FIG. 4, the user only needs to turn the actuating surface 131 on the hook portion 13 of the first end 11 of the two members 10 to the opposite position. Then, the connecting portions 14 which are open in shape are mutually cross-linked, and then the hook portions 13 of the two rod members 10 are placed in the links 21 of the chain 20 to be positioned inside the two rollers 22, respectively. At this time, the user only needs to apply a relatively strong force to the second end 12 of the two rod members 10, and the actuating surface 131 on the hook portion 13 of the first end 11 of the two rod members 10 is pivoted. The abutment drives the two rollers 22 to be displaced in a relatively distant direction, so that the link 21 can be returned to the engaged state again.
From the above description, it is not difficult to find that the present invention only needs to be pivotally connected to each other by the plate-like members 10, thereby forming a chain tool for simultaneously disassembling and fastening the links, and the two can be used when not in use. The rod members 10 are stored in an overlapping manner, so that the chain tool of the present invention has the advantages of not occupying space and being convenient to carry, compared with the conventionally used pliers for disassembling the chain links, and the present invention is An auxiliary hook portion 17 is formed on each side of the hook portion 13 on the first end 11 of each rod member 10. The auxiliary hook portion 17 can protect the hook portion 13 from being easily broken, and the hook portion 13 is located at two The side auxiliary hooks 17 can be mutually formed into a spoon shape for use as a digging rod, and the second end 12 of the rod member 10 is provided with a notch 15 for the screw nut, so that the rod of the present invention 10 can also integrate a variety of functional uses such as chain tools, digging rods and wrenches, so that users can greatly reduce the number of tools they need to carry, thus reducing the load.
Next, please refer to FIG. 5, which is a second embodiment provided by the present invention, and the difference from the first embodiment is that the rod 10 is directly convex outward on the first end 11 thereof. The hook portion 13 is formed, and a spoon-shaped spoon portion 18 is formed at the extending end of the second end 12 of the rod member 10, and thereby the two rod members 10 are pivotally connected to each other by the joint portion 14 thereof. Thereafter, the hook portion 13 of the first end 11 can also be used to disassemble the chain links, and the scooping portion 18 formed by the second end 12 of each rod member 10 can be used as a digging rod individually.
Further, as shown in FIG. 6, it is a third embodiment provided by the present invention, and the difference from the first embodiment is that the lever member 10 is attached to one side of the second end 12 thereof. A notch 15 is formed in the notch 15 and a hook portion 152 is protruded therein, so that the second end 12 of the rod 10 can be used as a bottle opener.
Next, please refer to FIGS. 7 and 8 for the fourth embodiment provided by the present invention. The difference from the first embodiment is that the structure of the connecting portion is different. In the fourth embodiment, one of the rods is The connecting portion of the member 10 is formed by a protrusion 141 which is perpendicularly intersected with the extending direction of the rod member 10, and two oppositely disposed fins 142 are formed on the extended end of the protruding post 141. The connecting portion of the other member 10 is formed by a through hole 143 through which the protruding post 141 and the fin 142 are correspondingly disposed, and the protruding post 141 is rotated through the through hole 143 and rotated. After the angle, the two fins 142 on the protruding post 141 can be abutted against the outer peripheral surface of the other side of the through hole 143, thereby making the two rod members 10 relatively easy to assemble and disassemble. They are pivoted together and can be pivoted relative to each other.
Further, as shown in FIG. 9, the fifth embodiment of the present invention is the same as the above-described first embodiment, and the structure of the connecting portion is different. In the fifth embodiment, each of the rods is different. The connecting portion of the member 10 is respectively formed by a protrusion 144 and a groove 145 disposed opposite to the protrusion 144, and the shape of the protrusion 144 and the groove 145 correspond to each other, and thereby A rod member 10 is relatively pivoted by its projection 144 and the recess 145 of the other rod member 10.
The disclosure of the above embodiments is only intended to illustrate the invention, and is not intended to limit the invention, and the replacement of equivalent elements is still within the scope of the invention.
In summary, it will be apparent to those skilled in the art that the present invention can achieve the foregoing objectives and is in compliance with the provisions of the Patent Law.
10‧‧‧ rods
11‧‧‧ first end
12‧‧‧ second end
13‧‧‧Hook
131‧‧‧ actuation surface
14‧‧‧Connecting Department
15‧‧‧ gap
151‧‧‧掣面
16‧‧‧ trench
17‧‧‧Auxiliary hook

Claims (9)

  1. [Item 1]
    A chain tool having two rods that are pivotally connected together, wherein each of the rods includes a first end and a second end opposite the first end, the first The end is provided with a hook portion for inserting into a chain link of the chain, and the hook portion is bent toward one side to form an actuating surface which can abut against the roller in the chain link, and is first A joint portion is disposed between the end and the second end, and the joint portion is pivotally coupled to the joint portion of the other rod member, so that the rod member and the other rod member can pivot relative to each other by the joint portion.
  2. [Item 2]
    The chain tool of claim 1, wherein each of the rod members is in the form of a sheet.
  3. [Item 3]
    The chain tool of claim 1, wherein at least one of the second ends of the one of the rods has a notch formed on one side thereof, and the notch has two clamping faces disposed at opposite intervals.
  4. [Item 4]
    The chain tool of claim 1, wherein each of the rods is provided with two parallel spaced grooves at a first end thereof, such that the hook portion is formed between the two grooves, and the hook portion is formed on the hook portion. An auxiliary hook portion bent in the same direction as the hook portion is formed on each of the two sides.
  5. [Item 5]
    The chain tool of claim 1, wherein the connecting portions on each of the rod members are respectively formed by an opening, and the two rod members are respectively relatively fastened by the connecting portion of the opening shape, so that the two The rod member can perform a pivoting operation relative to the joint portion as an axis.
  6. [Item 6]
    The chain tool of claim 1, wherein each of the rods is formed by directly protruding outwardly at a first end thereof, and a scoop-shaped digging is formed at an extending end of the second end thereof. Spoon.
  7. [Item 7]
    The chain tool of claim 1, wherein at least one side of the second end of the rod is provided with a notch, and a hook is protruded in the notch.
  8. [Item 8]
    The chain tool according to claim 1, wherein the connecting portion of the rod member is formed by a protruding column which is perpendicularly intersected with the extending direction of the rod member, and is formed on the extended end of the protruding rod. Two of the oppositely disposed fins, and the connecting portion of the other member is formed by a through hole through which the stud and the vane are correspondingly disposed, by rotating the stud through the through hole and rotating After an angle, the two fins on the stud can be abutted against the outer peripheral surface of the other side of the through hole, so that the two rod members are pivotally connected to each other.
  9. [Item 9]
    The chain tool of claim 1, wherein the connecting portion of each of the rods is formed by a protrusion and a groove disposed opposite to the protrusion, and the shape of the protrusion and the groove Correspond to each other.
TW104109487A 2015-03-25 2015-03-25 Chain tool TWI611875B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW104109487A TWI611875B (en) 2015-03-25 2015-03-25 Chain tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW104109487A TWI611875B (en) 2015-03-25 2015-03-25 Chain tool

Publications (2)

Publication Number Publication Date
TW201634194A true TW201634194A (en) 2016-10-01
TWI611875B TWI611875B (en) 2018-01-21

Family

ID=57847173

Family Applications (1)

Application Number Title Priority Date Filing Date
TW104109487A TWI611875B (en) 2015-03-25 2015-03-25 Chain tool

Country Status (1)

Country Link
TW (1) TWI611875B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107914239A (en) * 2016-10-05 2018-04-17 毕爱璧创意有限公司 Chain detacher
USD886565S1 (en) 2018-03-12 2020-06-09 Wolf Tooth Components, LLC Multi-tool
USD886564S1 (en) 2018-03-12 2020-06-09 Wolf Tooth Components, LLC Multi-tool

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6170142B1 (en) * 1998-03-18 2001-01-09 Daniel E. Paterson Roller chain link retainer tool
TWI365125B (en) * 2010-02-24 2012-06-01 Chain pin remove / install tool

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107914239A (en) * 2016-10-05 2018-04-17 毕爱璧创意有限公司 Chain detacher
DE102017122333B4 (en) * 2016-10-05 2021-02-25 Bib Creative Co., Ltd. Loosening tool for a chain
USD886565S1 (en) 2018-03-12 2020-06-09 Wolf Tooth Components, LLC Multi-tool
USD886564S1 (en) 2018-03-12 2020-06-09 Wolf Tooth Components, LLC Multi-tool

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Publication number Publication date
TWI611875B (en) 2018-01-21

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