TWI569928B - The chain structure of the chain device - Google Patents

Description

Chain splitter structure

The invention relates to a chain structure of a chain cleaver, and provides a structure that the chain cleaver has a simpler and more convenient chain structure.

Cycling is a popular leisure activity in recent years. It has the characteristics of environmental protection, sports and entertainment. It has also been promoted as a short-distance means in many developing countries to cope with the fate of the Earth's energy.

However, in bicycle riding, it is inevitable that a malfunction occurs, especially in long-distance riding, it is best to have maintenance tools to prevent accidental needs, then you can immediately carry out general maintenance and adjustment, in order to continue, no Enjoy outdoor activities intermittently.

In the case of a faulty situation, the more difficult condition may be to replace the chain. At present, most of the conventional chain drivers are provided with a chain body 90 having a groove 91 disposed on the side of the chainer body 90. There is a shaft 92 for chaining, and the shaft 92 extends outwardly and is coupled to a handlebar 93. The chain is placed in the groove 91 of the chain driver body 90 through the above structure, and the handlebar 93 is operated. The shaft 92 is pushed into the chain and the chain pin of the chain is pushed out of the chain to complete the chaining operation.

However, the above-mentioned conventional structure has the following disadvantages: Please refer to the fifth and sixth figures, and the conventional chain structure structure shaft 92 is Fixed, when the 9-11 speed chain is to be installed, the direct sales of the chain 94 is only 3 mm in diameter and is easily deformed, and the direct sales 94 will encounter the problem that the shaft 92 is bent, and the direct 94 bends through the tool. Or re-assemble with other direct sales 94, so the custom design is rather unsatisfactory and inconvenient.

The main object of the present invention is to provide a chain structure of a chain detacher, wherein the chain detaching bar is designed to linearly move in the installation space inside the outer casing, and the chain detaching bar can be retracted during the chain operation to avoid dismantling. The link rod is in direct contact with the positioning pin, causing the positioning pin to bend.

A second object of the present invention is to provide a chain structure of a de-chaining device, wherein a sleeve is disposed in the outer sleeve, and a receiving groove is disposed at a front end thereof to provide a positioning pin inserted therein, and the positioning pin is rotated by rotating the grip Squeeze into the hole in the chain.

The structure that can achieve the above object mainly includes: a de-chaining device body having a tool head and a hole at one end thereof, and a disassembling head on a side of the tool head; and an outer sleeve screwed to the de-chaining body In the hole, the outer sleeve is a hollow pipe, and a mounting space is formed in the pipe. The outer edge of the outer end of the outer sleeve is provided with a threaded section, and the threaded section provides an outer sleeve screwed to the dechainper body; a sleeve The tube has a convex shape and has a locking edge and a joint end. The sleeve has a through hole in the center thereof, and a receiving groove is recessed from the center toward the inner side of the locking edge. The positioning pin of the chain can be accommodated therein; a spring; a hitting chain, which can define a chain end and a fixed end, the chain rod passes through the straight hole of the set spring and the sleeve, and the fixed end is assembled to the joint end of the sleeve; a grip, The utility model is provided with a through hole; a limiting member defining a joint portion and a cap edge, the joint portion penetrating the perforation of the grip and screwing the joint end of the outer sleeve by the external thread of the joint portion; When the chain is installed, the limiter is loosened by the tool head, so that the chain rod can move linearly in the installation space, and then the positioning pin of the chain is inserted into the receiving groove of the sleeve, and finally the handle is pushed to push the positioning pin Hole into the chain.

Through the above structure, the advantages and functions obtainable by the present invention are briefly described as follows:

1. When the chain is installed, the limit piece is loosened by the tool head, so that the chain rod can move linearly in the installation space, and then the positioning pin of the chain is inserted into the receiving groove of the sleeve, and finally the grip is rotated. Push the locating pin into the hole in the chain.

2. The invention can avoid the situation that the positioning pin and the chain rod are in direct contact with each other to cause the positioning pin to bend.

3. The chaining rod set of the invention is worn with a spring. Therefore, the chaining rod has a certain elasticity, which can avoid bending or breaking of the chaining rod caused by the chaining or de-chaining operation.

"this invention"

10‧‧‧Disassembler body

11‧‧‧Tool head

12‧‧‧ holes

1, ‧ ‧ dismantling head

20‧‧‧Outer casing

21‧‧‧Installation space

22‧‧‧Threaded section

23‧‧‧ Positioning groove

30‧‧‧ sleeve

31‧‧‧ 卡定缘

32‧‧‧ joint end

33‧‧‧ Straight hole

311‧‧‧ accommodating slots

40‧‧‧ Spring

50‧‧‧Chaining rod

51‧‧‧ chain end

52‧‧‧Fixed end

60‧‧‧ grip

61‧‧‧Perforation

62‧‧‧ Positioning Department

70‧‧‧Limited parts

71‧‧‧Combination

72‧‧‧ rim

73‧‧‧Abutment

80‧‧‧Chain

81‧‧‧Locating pin

82‧‧‧handle

"practice"

90‧‧‧Chainer body

91‧‧‧ trench

92‧‧‧ shaft

93‧‧‧Manipulation handle

94‧‧‧Direction

The first figure is a perspective view of the structure of the present invention.

The second drawing is an exploded view of the structure of the present invention.

The third figure is a use state diagram (1) of the present invention.

The fourth figure is a use state diagram (2) of the present invention.

The fifth figure is a state diagram of the use of the conventional structure (1).

The sixth picture is the state diagram of the use of the conventional structure (2).

In order to enable the reviewing committee to have a better understanding and recognition of the features and characteristics of the present invention, the following preferred embodiments are illustrated with the following description: Please refer to Figures 1 to 4 for the de-chaining device of the present invention. The chain structure mainly comprises: a de-chainer body 10, one end of which is provided with a tool head 11 and a hole 12, and a dismantling head 13 is arranged on a side of the tool head 11; an outer sleeve 20 is screwed to the de-chainer body. In the hole 12 of the 10, the outer sleeve 20 is a hollow pipe, and a mounting space 21 is formed in the pipe. The outer edge of the front end of the outer casing 20 is provided with a threaded section 22, and the threaded section 22 provides the outer casing 20 to be screwed to The detacher body 10; a sleeve 30, which is generally a "convex" shaped tube, has a locking edge 31 and an engaging end 32. The sleeve 30 has a through hole 33 in the center thereof, and the locking edge A receiving groove 311 is defined in the center of the 31 from the center, which is suitable for the positioning pin 81 of the chain 80; a spring 40; a chain of links 50, which can define a chain end 51 and a solid The connecting end 52, the chaining rod 50 passes through the set spring 40, the straight hole 33 of the sleeve, and the fixing end 52 Meet At the engaging end 32 of the sleeve 30; a grip 60, which is provided with a through hole 61; a limiting member 70 defining a joint portion 71 and a cap edge 72, the joint portion 71 being passed through the perforation of the grip 60 61 and the joint end of the outer sleeve 20 is screwed by the external thread of the joint portion 71.

Through the above structure, the manner of use of the present invention and the efficiencies and advantages that can be obtained are briefly described as follows: Referring to FIGS. 3 and 4, the chain 80 is mounted on the dechainper body 10 when the chain 80 is installed, and then disassembled. The head 13 is screwed close to the side of the chain 80, and the handle 60 is turned over and the limiting member 70 is loosened through the tool head 11, so that the chain lever 50 can move linearly in the installation space 21, and then the receiving groove of the sleeve 30 The 311 is inserted into the positioning pin 81 of the chain 80, and finally the handle 60 is rotated to push the positioning pin 81 into the hole 12 of the chain 80 to complete the chaining operation. Since the positioning pin 81 is movable in the installation space 21, when the positioning is touched When the pin 81 is slightly displaced, the problem that the positioning pin 81 is bent during the chaining operation can be avoided.

Please refer to the first to fourth figures. The chaining or the chaining operation must pass through the chaining rod 50. Therefore, the present invention is provided with a spring 40 on the chaining end 51 of the chaining rod 50, and the spring 40 can be dispersed. The stress generated by the positioning pin 81 of the chain 80 prevents the chain bar 50 from being bent.

Referring to the second figure, further, the upper end of the outer sleeve 20 is provided with a positioning groove 23, and the grip 60 is provided with more than one positioning portion 62. By positioning the groove 23 and the positioning portion 62, the locking effect is achieved when the screw is locked. .

Please refer to the second figure. The inner edge of the limiting member 70 is provided with a top abutting portion 73. The abutting portion 73 provides a fixing end 52 for abutting against the chaining bar 50 in the installation space 21 during the chain operation. The occurrence of the backlash of the chain lever 50 is prevented from occurring, and the top abutting portion 73 is an elastic body, so that the chain link 50 has a certain elasticity during the chaining or chaining operation, so that during the chain operation The chain link 50 will be displaced toward the rear.

Referring to the first to fourth figures, a handle 82 is disposed under the demolition body 10, and the handle 82 provides a user's grip for easy chaining and chaining operations.

In summary, the present invention is mainly designed to be linearly movable in the installation space 21 inside the outer casing 20 through the chain detaching bar, and can be used to retract the chain detaching bar during the chain operation, thereby avoiding the detachment of the chain bar and the positioning pin 81 directly. Contact, causing the problem of the bending of the positioning pin 81; and its structure has not been seen in the publications or public use, in line with the requirements of the invention patent application, please ask the Bureau to identify the patent, as soon as possible to grant patents, to pray.

The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all of the related art in the art according to the present invention are equivalent to the present invention. The scope of coverage.

10‧‧‧Disassembler body

12‧‧‧ holes

13‧‧‧Dismantling head

20‧‧‧Outer casing

30‧‧‧ sleeve

50‧‧‧Chaining rod

60‧‧‧ grip

Claims (5)

The utility model relates to a chain structure of a chain detacher, which mainly comprises: a chain detacher body, one end of which is provided with a tool head and a hole, and a disassembly head is arranged on one side of the tool head; and an outer sleeve is screwed on the chain. In the hole of the body, the outer sleeve is a hollow pipe, and a mounting space is formed in the pipe. The outer edge of the outer end of the outer sleeve is provided with a threaded section, and the threaded section provides an outer sleeve screwed to the dechainper body; The sleeve is generally a "convex" shaped tube having a locking edge and a joint end, the sleeve has a through hole in the center thereof, and a receiving groove is recessed from the center side in the side of the locking edge , which can be accommodated by the positioning pin of the chain; a spring; a chain of links, which can define a chain end and a fixed end, the chain rod wears a set of springs, a straight hole of the sleeve, and is solid The joint is connected to the joint end of the sleeve; a grip is pierced by a through hole; and a limiting member defines a joint portion and a cap edge, the joint portion is pierced by the grip and is joined by the joint portion The outer end of the external threaded screw outer sleeve; characterized in that: when the chain is installed, The tool head release the stopper member, so that the hit chain lever linearly movable in the installation space, and then inserting a positioning pin of the chain by the receiving groove of the sleeve, and finally rotation of the grip pushes the positioning pins into the holes of the chain. The chain structure of the de-chaining device according to claim 1, wherein the upper end of the outer sleeve is provided with a positioning groove. The chain structure of the de-chaining device according to the first aspect of the invention, wherein the inner edge of the limiting member is provided with a top abutting portion, and the abutting portion provides a fixing end abutting so that the chain bar is locked in the installation space. Inside. The chain structure of the de-chaining device according to claim 1, wherein the abutting portion is composed of an elastic body. According to the chain structure of the de-chaining device according to claim 1, wherein the de-chainer body is provided with a handle.