TWI874019B - Chain riveting tool - Google Patents

Abstract

A chain riveting tool includes a main body, a pushing module, and a clamping mechanism. The main body is provided with a base, a head seat, and a tail seat. The head seat and tail seat are connected to the base. A working area is disposed between the head seat and the tail seat. The pushing module is screwed onto the tail seat and is provided with a pushing portion. When the pushing module rotates about a pivot axis, the pushing portion is movable within the working area. The clamping mechanism is movable between a clamping position and a release position and is connected to the main body. The clamping mechanism includes a clamping member, which is positioned within the working area. When the clamping mechanism is in the clamping position, the clamping member is close to the head seat. When the clamping mechanism is in the release position, the clamping member is away from the head seat. A side of the clamping member adjacent to the head seat has a first protrusion, which is located on the side of the pivot axis opposite to the base. Thus, the chain riveting tool can accurately and securely fix the position of the chain.

Description

Chainer

The present invention mainly discloses a chain maker, in particular a chain maker capable of hooking and clamping a chain.

Please refer to the patent case of "Bicycle Chain Structure Improvement" of Taiwan Patent No. M462632, which is a bicycle chain structure improvement, which refers to a bicycle chain comprising a base, a positioning member, a grip rod and an adjustment device. The front end of the base is provided with a positioning groove to form a butt end and a pivot part. The butt end is for the positioning member to be assembled and fixed; the pivot part is for the adjustment device to be pivotally screwed, and the grip rod is provided at the bottom of the base. The holding rod is fixed by screws; the positioning member is provided with a shaft seat resisting the end portion of the base body and a shaft column penetrating the positioning hole of the base body; the positioning groove of the base body is provided with a supporting wall to form a first groove and a second groove, and an arc-shaped notch groove is provided at the upper end of the supporting wall, and the shaft column of the positioning member is pre-pierced into the positioning hole provided at the end portion of the base body to present the distance between the first groove formed by the positioning groove of the base body and the supporting wall.

However, although the above-mentioned chainer is provided with a supporting wall to align the push pin with the chain shaft, the supporting wall can only limit the front and rear position of the chain and the position along the axial direction of the bolt body. If the user does not hold the chainer firmly, the chain will still come off the chainer.

In view of the defects of the above-mentioned known structures, the inventors of the present invention have designed a chaining device which can overcome all the defects of the above-mentioned known structures.

The main purpose of the chaining device of the present invention is to provide a chaining device including a main body, a push-up module and a clamping mechanism. The main body is provided with a seat body, a headstock and a tailstock, the headstock and the tailstock are respectively connected to the seat body, the main body is provided with a working area between the headstock and the tailstock, the tailstock is provided with an internal thread, the push-up module is provided with an external thread and a push-up part, the external thread is screwed on the internal thread, and the push-up module can move the push-up part in the working area and approach the internal thread when rotating around a virtual shaft. or far away from the tailstock, the clamping mechanism can be movably connected to the body between a clamping position and a releasing position, the clamping mechanism includes a clamping member, the clamping member is arranged in the working area, when the clamping mechanism is in the clamping position, the clamping member is close to the headstock, when the clamping mechanism is in the releasing position, the clamping member is far away from the headstock, at least one first flange is arranged on a side of the clamping member adjacent to the headstock, the at least one first flange is located on a side of the shaft opposite to the seat body, the chainer can accurately and stably fix the chain position through the above structure.

The clamping member is provided with a notch, the shaft passes through the notch, and the notch faces the direction opposite to the seat body along the radial opening direction of the shaft. The number of the at least one first flange is two, and the two first flanges are respectively arranged on both sides of the notch.

Two second flanges are arranged on one side of the clamping member adjacent to the head seat, and the two second flanges are located between the rotating shaft and the seat body. The two first flanges extend along straight lines respectively, and the two second flanges extend along arc lines respectively, and the arc-shaped convex surfaces of the two second flanges face the two first flanges respectively.

The two first flanges are connected to the edge of the clamping piece opposite to the side of the seat body through an integrally formed structure, and the two second flanges are connected to the edge of the clamping piece adjacent to the side of the seat body through an integrally formed structure.

A slide groove is recessed on one side of the seat body adjacent to the working area, the two second flanges are respectively arranged on the opposite sides of the slide groove, the head seat is provided with a through hole, one end of the through hole is connected to the slide groove and the other end is connected to the outer periphery of the head seat opposite to the tail seat, and the clamping mechanism includes a push rod, the push rod is arranged in the through hole, one end of the push rod is connected to the clamping piece and the other end protrudes from the head seat.

The perforation includes a narrow section and a wide section, the radial width of the narrow section is smaller than the radial width of the wide section, the narrow section is connected to the slide slot, and the wide section is connected to an end of the narrow section opposite to the slide slot. The clamping mechanism includes an elastic member, which is arranged in the wide section, one end of the elastic member abuts against the end surface of the narrow section adjacent to the wide section and the other end abuts against the push rod.

The push-up module includes a screw, a jack, a cover and a handle. The external thread is arranged on the outer periphery of the screw, one end of the jack is connected to the screw, the push portion is arranged on the end of the jack opposite to the screw, the cover is sleeved on the jack and connected to the screw in a screw-locked manner, the cover restricts the jack from being separated from the screw, and the handle is sleeved on the end of the screw opposite to the jack.

The main body includes a handle and a locking piece. The handle is connected to a side of the seat body opposite to the working area. The locking piece is inserted into the handle from an end of the handle opposite to the main body. The locking piece passes through the handle and is connected to the main body in a screw-locking manner.

Other objects, advantages and novelties of the present invention will become more apparent from the following detailed description and the accompanying drawings.

The technology, means and effects adopted by the present invention are described in detail below with reference to a preferred embodiment and accompanying drawings. This is for illustrative purposes only and is not limited to this structure in patent applications.

Referring to FIG. 1 to FIG. 7 , the three-dimensional appearance diagram, three-dimensional exploded diagram, cross-sectional structure diagram, action diagram and use state diagram of the chaining tool of the present invention are shown. The chaining tool 10 of the present invention includes a main body 20, a top module 30 and a clamping mechanism 40; wherein:

The main body 20 is provided with a base body 21, a headstock 22 and a tailstock 23. The headstock 22 and the tailstock 23 are respectively connected to the base body 21. The main body 20 is provided with a working area 24 between the headstock 22 and the tailstock 23. The tailstock 23 is provided with an internal thread 231.

The push module 30 is provided with an outer thread 31 and a push portion 32. The outer thread 31 is screwed to the inner thread 231. When the push module 30 rotates around a virtual rotation axis L, the push portion 32 can move in the working area 24 and approach or move away from the tailstock 23.

The clamping mechanism 40 is movably connected to the body 20 between a clamping position and a release position. The clamping mechanism includes a clamping member 41 disposed in the working area 24. When the clamping mechanism 40 is in the clamping position, the clamping member 41 is close to the head base 22. When the clamping mechanism 40 is in the release position, the clamping member 41 is far away from the head base 22. A supporting portion 414 and at least one first flange 411 are provided on one side of the component 41 adjacent to the head seat 22. The supporting portion 414 extends radially along the rotation axis L. The at least one first flange 411 is located on a side of the rotation axis L opposite to the seat body 21 and on a side of the supporting portion 414 opposite to the seat body 21. The at least one first flange 411 protrudes more than the supporting portion 414.

The clamping member 41 is provided with a notch 412, the shaft L passes through the notch 412, and the notch 412 is oriented in a direction opposite to the seat body 21 along the radial opening direction of the shaft L. The at least one first flange 411 is two in number in this embodiment, and the two first flanges 411 are respectively provided on both sides of the notch 412.

Two second flanges 413 are provided on one side of the clamping member 41 adjacent to the head seat 22. The two second flanges 413 are located between the rotation axis L and the seat body 21. The two first flanges 411 extend along straight lines respectively, and the two second flanges 413 extend along arcs respectively. The arc-shaped convex surfaces of the two second flanges 413 face the two first flanges 411 respectively.

The two first flanges 411 are connected to the edge of the clamping member 41 opposite to the seat body 21 by an integrally formed structure, and the two second flanges 413 are connected to the edge of the clamping member 41 adjacent to the seat body 21 by an integrally formed structure.

A slide groove 211 is recessed on one side of the seat body 21 adjacent to the working area 24, and the two second flanges 413 are respectively arranged on the opposite sides of the slide groove 211. The head seat 22 is provided with a through hole 221, one end of the through hole 221 is connected to the slide groove 211 and the other end is connected to the outer periphery of the head seat 22 on the side opposite to the tail seat 23. The clamping mechanism 40 includes a push rod 42, which is arranged in the through hole 221, one end of the push rod 42 is connected to the clamping member 41 and the other end protrudes from the head seat 22.

The through hole 221 includes a narrow section 222 and a wide section 223. The radial width of the narrow section 222 is smaller than the radial width of the wide section 223. The narrow section 222 is connected to the slide slot 211. The wide section 223 is connected to the end of the narrow section 222 opposite to the slide slot 211. The clamping mechanism 40 includes an elastic member 43. The elastic member 43 is arranged in the wide section 223. One end of the elastic member 43 abuts against the end surface of the narrow section 222 adjacent to the wide section 223 and the other end abuts against the push rod 42.

The push-up module 30 includes a screw 33, a push rod 34, a cover 35 and a handle 36. The external thread 31 is arranged on the outer periphery of the screw 33. One end of the push rod 34 is connected to the screw 33. The push portion 32 is arranged on the end of the push rod 34 opposite to the screw 33. The cover 35 is sleeved on the push rod 34 and connected to the screw 33 in a screw-locked manner. The cover 35 restricts the push rod 34 from disengaging from the screw 33. The handle 36 is sleeved on the end of the screw 33 opposite to the push rod 34.

The body 20 includes a handle 25 and a locking piece 26. The handle 25 is connected to a side of the base 21 opposite to the working area 24. The locking piece 26 is inserted into the handle 25 from an end of the handle 25 opposite to the body 20. The locking piece 26 passes through the handle 25 and is connected to the body 20 in a screw-locked manner.

The chain 10 can accurately and stably fix the chain position through the above structure. When using the chain 10, the push rod 42 must be pressed to move the clamping mechanism 40 to the release position, and the chain 90 is placed between the head base 22 and the clamping member 41 and the push rod 42 is released. Not only can the clamping member 41 be used to clamp the chain 90 toward the head base 22, but the The design of the two first flanges 411 disposed on one side of the clamping member 41 adjacent to the head seat 22 can limit the radial movement of the chain 90 along the shaft L to disengage from the chain maker 10, and can also use the two second flanges 413 to locate the position of the chain link to ensure that the shaft pin of the chain 90 is centered and aligned with the push portion 32.

Based on the above, it can be concluded that the present invention has the following advantages:

1. The chaining device of the present invention comprises a main body, a push-up module and a clamping mechanism, wherein the main body is provided with a seat body, a headstock and a tailstock, the headstock and the tailstock are respectively connected to the seat body, the main body is provided with a working area between the headstock and the tailstock, the tailstock is provided with an internal thread, the push-up module is provided with an external thread and a push-up part, the external thread is screwed to the internal thread, and when the push-up module rotates with a virtual rotating shaft as the center, the push-up part can move in the working area and approach or move away from The tailstock and the clamping mechanism are movably connected to the main body between a clamping position and a releasing position. The clamping mechanism includes a clamping member, which is arranged in the working area. When the clamping mechanism is in the clamping position, the clamping member is close to the headstock. When the clamping mechanism is in the releasing position, the clamping member is far away from the headstock. At least one first flange is arranged on a side of the clamping member adjacent to the headstock. The at least one first flange is located on a side of the rotating shaft opposite to the seat body. The chainer can accurately and stably fix the chain position through the above structure.

However, the above is only a preferred embodiment of the present invention and should not be used to limit the scope of implementation of the present invention. Therefore, any changes in numerical values or replacement of equivalent components, or equivalent changes and modifications made according to the scope of the patent application of the present invention should still fall within the scope of the patent of the present invention.

10: Chainer 20: Body 21: Body 211: Slide 22: Headstock 221: Perforation 222: Narrow section 223: Wide section 23: Tailstock 231: Internal thread 24: Working area 25: Handle 26: Locking piece 30: Pushing module 31: External thread 32: Pushing part 33: Screw 34: Pushing rod 35: Cover 36: Rotating handle 40: Clamping mechanism 41: Clamping piece 411: First flange 412: Notch 413: Second flange 414: Pushing part 42: Push rod 43: Elastic part 90: Chain L: Shaft

Figure 1: A three-dimensional external view of the chainer of the present invention. Figure 2: A three-dimensional exploded view of the chainer of the present invention. Figure 3: A cross-sectional structural view of the clamping mechanism of the chainer of the present invention in the clamping position. Figure 4: A partially enlarged cross-sectional structural view of the clamping mechanism of the chainer of the present invention in the clamping position. Figure 5: An action diagram of the clamping mechanism of the chainer of the present invention moving to the release position. Figure 6: A diagram of the use state of the chainer of the present invention clamping the chain. Figure 7: A diagram of the use state of the chainer of the present invention clamping the chain from another angle.

10: Chainer

20: Body

21: Seat

22: Head seat

23: Tailstock

24: Work area

25: Handle

30: Top module

31: External thread

32: Pushing part

34: Top bar

36: Rotating handle

40: Clamping mechanism

41: Clamping parts

411: First flange

412: Gap

Claims (8)

A chaining device, comprising: A main body, the main body is provided with a seat body, a headstock and a tailstock, the headstock and the tailstock are respectively connected to the seat body, the main body is provided with a working area between the headstock and the tailstock, and the tailstock is provided with an internal thread; A top-pushing module, the top-pushing module is provided with an external thread and a pushing part, the external thread is screwed to the internal thread, and the top-pushing module can move the pushing part in the working area and approach or move away from the tailstock when rotating around a virtual rotating shaft; A clamping mechanism is movably connected to the body between a clamping position and a release position. The clamping mechanism includes a clamping member disposed in the working area. When the clamping mechanism is in the clamping position, the clamping member is close to the head seat. When the clamping mechanism is in the release position, the clamping member is far away from the head seat. The head seat, the clamping member is provided with a supporting portion and at least one first flange on one side adjacent to the head seat, the supporting portion extends radially along the rotation axis L, the at least one first flange is located on the side of the rotation axis opposite to the seat body and on the side of the supporting portion opposite to the seat body, and the at least one first flange protrudes from the supporting portion. A chain maker as described in claim 1, wherein the clamping member is provided with a notch, the rotating shaft passes through the notch, and the notch faces in a direction opposite to the seat body along the radial opening direction of the rotating shaft, and the number of the at least one first flange is two, and the two first flanges are respectively provided on both sides of the notch. A chain maker as described in claim 2, wherein two second flanges are provided on one side of the clamping piece adjacent to the head seat, the two second flanges are located between the shaft and the seat body, the two first flanges extend along straight lines respectively, the two second flanges extend along arcs respectively, and the convex arc surfaces of the two second flanges face the two first flanges respectively. A chain maker as described in claim 3, wherein the two first flanges are connected to the edge of the clamping piece on the side opposite to the base body by an integrally formed structure, and the two second flanges are connected to the edge of the clamping piece on the side adjacent to the base body by an integrally formed structure. A chain maker as described in claim 3, wherein a slide groove is recessed on one side of the base body adjacent to the working area, the two second flanges are respectively arranged on the opposite sides of the slide groove, the head seat is provided with a through hole, one end of the through hole is connected to the slide groove and the other end is connected to the outer periphery of the head seat on the side opposite to the tail seat, and the clamping mechanism includes a push rod, which is arranged in the through hole, one end of the push rod is connected to the clamping piece and the other end protrudes from the head seat. A chain breaker as described in claim 5, wherein the perforation includes a narrow section and a wide section, the radial width of the narrow section is smaller than the radial width of the wide section, the narrow section is connected to the slide slot, and the wide section is connected to an end of the narrow section opposite to the slide slot, and the clamping mechanism includes an elastic member disposed in the wide section, one end of the elastic member abuts against an end face of the narrow section adjacent to the wide section and the other end abuts against the push rod. A chain breaker as described in any one of claims 1 to 6, wherein the push-up module includes a screw, a top rod, a cover and a rotary handle, the external thread is arranged on the outer periphery of the screw, one end of the top rod is connected to the screw, the push portion is arranged at the end of the top rod opposite to the screw, the cover is sleeved on the top rod and connected to the screw in a screw-locked manner, the cover restricts the top rod from disengaging from the screw, and the rotary handle is sleeved on the end of the screw opposite to the top rod. A chain maker as described in any one of claims 1 to 6, wherein the main body includes a handle and a locking piece, the handle is connected to the side of the base opposite to the working area, the locking piece is inserted into the handle from the end of the handle opposite to the main body, and the locking piece passes through the handle and is connected to the main body in a screw-locked manner.

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