TWI730250B - Chain breaker structure - Google Patents

Abstract

A chain breaker structure comprises a seat and a dismounting tool, wherein the seat is provided with a positioning groove. The dismounting tool is installed in the seat. A containing opening is formed in one end of the positioning groove. A clamping opening is formed in the two sides of the phase position of the positioning groove. The connecting part of the two ends is accommodated in the first positioning groove, and the other end of the second positioning groove is embedded into the clamping jaw, and can be pushed out by means of displacement and can be used as a two-way joint which is connected with the shackles. The invention has the advantages of being capable of enabling the rushen to be fixed at a fixed position and being capable of enabling the rushen to be abutted against the poke.

Description

Chain drive structure

The present invention relates to the technical field of a tool for dismantling chains, in particular to a chain driver structure for fixing a chain for chain dismantling operations.

Bicycles are very popular whether they are used as transportation tools or leisure and entertainment tools. In terms of bicycle peripheral equipment, bicycle maintenance tools are the most important because they can provide users with simple troubleshooting. In view of this, the chain driver is a tool owned by many users.

The traditional chain hitting device can only provide a single chain hitting effect, and the general chain hitting effect is achieved by using the push member to screw on the screw hole of the positioning part. This kind of chain driver cannot provide the disassembly and assembly of the eight-shaped hole chain. When the eight-shaped hole chain is to be disassembled and assembled, another chain driver needs to be prepared, which cannot provide the user with convenient operation. In addition, auxiliary tools may be needed to fix or position the broken chain when chaining, and this traditional chain-driving device cannot provide the effect.

Furthermore, when the chain is placed on the clamping part of the base body, the chain is only subjected to a single clamping force of the clamping part. In addition, there is no other pressing force on the top of the chain, and the chain plate of the chain is not affected by other forces. The repressive power. When the detent end of the push button pushes the pin of the chain, the chain often slips due to insufficient clamping force, and the chain is further separated from the clamping part, and the chain operation cannot be carried out smoothly.

In addition, because the chain is installed on the chain driver, it is easy to produce a loose state, resulting in the pin not forming an accurate alignment with the push member, so the push member will touch the position of the non-pin rod after the displacement, thereby causing The push button is broken.

The object of the present invention is to provide a chain driver structure, which has the ability to stabilize the chain links of the chain and accurately align the chain disassembly mechanism with the chain pins on the chain, thereby smoothing the chain disassembly process and reducing disassembly. The probability of damage to the chain mechanism.

A chain driver structure disclosed in the present invention is used to provide positioning and disassemble a chain pin used to connect two chain links. It includes a base body with a front-end seat block and a rear-end seat block , A groove is located between the front-end seat block and the rear-end seat block, so that the front-end seat block is separated from the rear-end seat block; a positioning groove is formed in the front-end seat block, and one end of the positioning groove is an open structure An accommodating opening of the locating slot communicates with the groove, and the two opposite sides of the positioning groove are respectively a latching opening with an opening structure; a chain breaking mechanism is installed on the rear end block, and the chain breaking mechanism has a thimble Opposite the positioning slot; wherein the connecting part of the two chain links is accommodated in the positioning slot, so that the chain link is embedded in the latch, and the connecting pin is opposite to the thimble; the thimble of the disconnecting mechanism can be borrowed The displacement pushes the chain pin to detach from the two connected chain links.

In one embodiment, the front end block has a detachment hole, and the detachment hole communicates with the positioning groove and opposite to the thimble.

In one embodiment, the inner wall of the positioning groove has a first curved surface, and a second curved surface corresponds to the first curved surface.

In one embodiment, the chain breaking mechanism includes a threaded rod, the threaded rod is rotatably mounted on the rear end block, and the thimble is connected to one end of the threaded rod and is opposite to the positioning groove.

In one embodiment, the chain breaking mechanism includes an operating rod connected to the threaded rod, and the operating rod is used to drive the threaded rod to rotate.

The above-mentioned objects and advantages of the present invention can be deeply understood from the following detailed description of the selected embodiments and the accompanying drawings.

10: chain

12: chain link

14: chain pin

20: chain driver

30: seat body

32: Groove

34: Front seat block

36: Rear seat block

40: Unchain mechanism

42: threaded rod

44: Joystick

46: Stop

48: thimble

50: positioning slot

52: Containment Mouth

54: Snapshot

56: escape hole

58: The first surface

59: second surface

Figure 1 is a perspective view of a preferred embodiment of the creation.

Figure 2 is a cross-sectional view of a preferred embodiment of the creation.

Figure 3 is a partial enlarged view of the preferred embodiment of the creation.

Figure 4 is the use state diagram (1) of the preferred embodiment of the authoring.

Figure 5 is the use state diagram (2) of the preferred embodiment of authoring.

Figure 6 is the use state diagram (3) of the preferred embodiment of authoring.

Please refer to FIG. 1, which illustrates a chain driver 20 provided by a preferred embodiment of the present invention. The chain driver 20 is used for positioning a chain 10 and a chain pin 14 for disassembling and connecting two chain links 12. The chain driver 20 has a base 30 and a chain breaking mechanism 40. A part of the chain 10 is accommodated in the base 30, and the chain breaking mechanism 40 is used to push the chain pin 14 out of the chain 10.

Please refer to Figures 1 and 2, the base 30 is block-shaped. The base 30 has a groove 32. For example, the groove 32 extends from the middle position of the seat body 30 and extends in the radial direction. One side of the groove 32 of the seat body 30 is a front-end seat block 34, and the other side of the groove 32 of the seat body 30 is a rear-end seat block 36. As shown in the figure, the groove 32 is located between the front seat block 34 and the rear seat block 36, so that the front seat block 34 is separated from the rear seat block 36, and the left side of the groove 32 is the front seat block. Block 34, the right side of the groove 32 is the rear end seat block 36.

A positioning groove 50 is formed and extends in the axial direction of the front end block 34. One end of the positioning groove 50 is a receiving opening 52 with an opening structure, and the receiving opening 52 communicates with the groove 32. Two opposite sides of the positioning slot 50 are respectively a latch 54 with an opening structure. Secondly, an escape hole 56 is formed in the front end block 34 in the axial direction. One end of the escape hole 56 communicates with the positioning slot 50, and the other end communicates with the outside, so that the escape hole 56 forms a through state.

The chain breaking mechanism 40 is installed on the rear end block 36. The chain breaking mechanism 40 includes a threaded rod 42 and an operating rod 44. The threaded rod 42 is rotatably installed in the axial direction of the rear end block 36 (lateral direction in the drawing), and the operating rod 44 is connected to the threaded rod 42. Furthermore, the operating rod 44 is passed through the threaded rod 42. The surface of the operating rod 44 has a protruding stop portion 46, and the stop portion 46 is used to catch the threaded rod 42, so that the operating rod 44 does not fall out of the threaded rod 42. In addition, the operating rod 44 is used to drive the threaded rod 42 to rotate.

The chain breaking mechanism 40 includes a thimble 48. The thimble 48 is connected to/formed at one end of the threaded rod 42 and is opposed to the positioning slot 50 and aligned with the escape hole 56.

Please refer to FIGS. 3 and 4, the positioning groove 50 has two opposite inner wall surfaces, one of the inner wall surfaces is a first curved surface 58, and the other inner wall surface is a second curved surface 59. It is worth noting that the middle section of the first curved surface 58 and the second curved surface 59 is concave toward the thickness direction of the front end block 34, so that the spatial shape formed by the first curved surface 58 and the second curved surface 59 can accommodate Set the chain link 12 (see Figure 4).

Please refer to FIG. 4 again, insert the position of the connecting portion of the two chain links 12 to be disassembled into the positioning slot 50, and insert the latching opening 54 on one side of the two connecting chain links 12 respectively. By the shape of the inner wall surface of the positioning groove 50 conforming to the shape of the chain link 12, and one side of the chain link 12 is embedded in the latch opening 54, a stable positioning can be obtained for the two connected chain links 12 effect.

Referring to FIGS. 5 and 6, after the chain link 12 is received in the positioning slot 50, one end of the chain pin 14 is opposite to one end of the escape hole 56, and the other end of the chain pin 14 is opposite to the thimble 48. In this way, the user drives the operating rod 44 to displace the threaded rod 42 so that the thimble 48 contacts and pushes the Chain pin 14. The chain pin 14 is pushed by the moving threaded rod 42 and the thimble 48 to disengage from the two connected chain links 12 and fall out from one end of the disengagement hole 56 to the outside.

Since the chain link 12 is firmly positioned in the positioning slot 50, and the thimble 48, the chain pin 14 and the escape hole 56 are aligned, the thimble 48 can push the chain pin 14 out of the pin 14 stably and smoothly. Chain link 12. It is worth noting that because the thimble 48, the chain pin 14 and the escape hole 56 are aligned, the thimble 48 pushes the chain pin 14 accurately, and the problem of the thimble 48 breaking due to the deflection will not occur.

In addition, the components and combinations of the chain breaking mechanism 40 disclosed above are only examples and not limited thereto. For example, the combination of the threaded rod 42 and the operating rod 44 can be replaced by an elastic push or hydraulic push structure.

The above description is only an illustration of the present invention, and does not limit the present invention in any form. The scope of rights claimed in the present invention should be subject to the scope of the patent application, rather than limited to the above-mentioned embodiments. Anyone with ordinary knowledge in the technical field can make some changes or modifications into equivalent embodiments with equivalent changes using the technical content disclosed above without departing from the scope of the technical solution of the present invention, provided that they do not depart from the present invention The content of the technical solution still falls within the scope of the technical solution of the present invention.

10: chain

12: chain link

14: chain pin

20: chain driver

30: seat body

32: Groove

34: Front seat block

36: Rear seat block

40: Unchain mechanism

42: threaded rod

44: Joystick

46: Stop

48: thimble

50: positioning slot

52: Containment Mouth

54: Snapshot

56: escape hole

Claims (5)

A chain driver structure is used to provide positioning and disassemble a chain pin for connecting two chain links. It includes a base body with a front end seat block and a rear end seat block, and a groove is located in the Between the front-end seat block and the rear-end seat block, the front-end seat block is separated from the rear-end seat block; a positioning groove is formed in the front-end seat block, one end of the positioning groove is an opening with an opening structure and In communication with the groove, the two opposite sides of the positioning groove are respectively a latch with an opening structure, and secondly, the inner wall of the positioning groove has a first curved surface and a second curved surface corresponding to the first curved surface; The mechanism is installed on the rear end block, the chain removal mechanism has a thimble opposite to the positioning slot; wherein the connecting part of the two chain links is accommodated in the positioning slot, so that the chain link is inserted into the latch , And the connecting part of the two chain links is located between the first curved surface and the second curved surface, and the chain pin is relative to the thimble; the thimble of the chain unraveling mechanism can push the chain pin out of the two connected ones by displacement The chain link. According to the chain driver structure described in item 1 of the scope of patent application, the front-end seat block has a disengagement hole, and the disengagement hole communicates with the positioning groove and opposes the thimble. As described in the first item of the scope of patent application, the chain drive structure includes a threaded rod, the threaded rod is rotatably installed on the rear end block, the thimble is connected to one end of the threaded rod and Relative to the positioning slot. For the chain drive structure described in item 3 of the scope of patent application, the chain breaking mechanism includes an operating rod connected to the threaded rod, and the operating rod is used to drive the threaded rod to rotate. The chain drive structure described in item 4 of the scope of patent application, wherein the operating rod system passes through the threaded rod, and the surface of the operating rod has a protruding stopper, and the stopper is used to catch on the thread Rod.

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