TWM562174U - Fast chain buckling tool - Google Patents

Abstract

A chain quick-release tool is a driving portion formed on a rear side and a front side of the wrench body, and a driving portion having a front narrow rear width, and a plurality of first concave portions are continuously formed from the front to the rear at the left and right edges of the driving portion. And the second concave portion, the positions of the first concave portions and the second concave portions in the same order from the front to the rear are staggered in the same direction; when the present invention is used, the user holds the wrench portion and inserts the driving portion into the chain forward. Between the two latches of the quick snap, the first recessed portion and the second recessed portion are offset against the sleeve around the two latches, and after twisting the drive portion to the left or right, the two latches are reversely opened. Quickly buckle the chain into a combined state.

Description

Chain quick release tool

The present invention relates to a hand tool, and more particularly to a chain quick release tool for use in a bicycle quick release chain.

The existing chain quick buckle includes a pair of links respectively provided with pins, and the two pins are respectively passed through the bushes at the end of the chain, inserted into the 8-shaped insertion holes of the other chain, and then the two pins are reversed by tools. When the jacking is opened, the latches are fixed to the insertion holes of the other chain, and the assembly operation of the chain quick buckles is completed to connect the chains into a ring shape.

When the above operations of inverting the two pins are performed, the two pins are generally reversely opened by a tool in the form of a wrench. However, since the tool of the above-mentioned wrench shape is large in size, it is inconvenient to carry when assembling the chain. Not convenient for users to use.

Since the existing tool for assembling the chain buckle is a wrench-shaped tool, the volume is large and cannot be carried by the user. To this end, the present invention designs a rod-shaped tool that is small in size, convenient to carry, and capable of assembling a chain quick buckle.

In order to achieve the above new object, the present invention provides a chain quick-release tool, which is provided with a wrench body, which is a long rod body extending in the front and rear directions and forming a wrench portion extending forward at the front end of the wrench portion. a driving portion, the left and right widths of the driving portion are gradually narrowed from the rear to the front, and a plurality of first concave portions are continuously formed from the front to the rear on the left side edge of the driving portion, and a plurality of second portions are continuously formed from the front to the rear on the right side edge of the driving portion The recesses are shifted back and forth in the same direction from the first recesses in the same order from the front to the rear and the positions of the respective second recesses.

Further, each of the first concave portions of the present invention respectively forms a first concave point at the most concave portion, and each of the second concave portions respectively forms a second concave point, a plurality of first concave points and several first portions at the most concave portion. The two pits are arranged from front to back in a left-right staggered configuration.

Further, the radius of curvature of the plurality of first recesses of the present invention gradually increases from front to back, and the radius of curvature of the plurality of second recesses gradually increases from front to back.

Preferably, the wrench body of the present invention is a plate-like long rod body extending in the front-rear direction.

In the present invention, the chain quick buckle is initially assembled on the chain, and the driving portion is inserted between the two pins of the chain quick buckle, so that the first or second concave portion of one side of the driving portion is abutted therein a bushing around the pin, and the first or second recess of the corresponding position is abutted against the bushing around the other pin, and then the wrench portion is twisted to reverse the two pins to complete the chain buckle The assembly operation causes the chain to be connected in a ring shape.

The effect of the present invention is that the first and second recesses provided on the left and right sides of the driving portion can achieve the effect of quick-fastening the chain of the chain, and since the driving portion has a front narrow and a wide width, it can be applied to Chain quick release with different pin spacing. Moreover, since the wrench body is a long rod body, the volume is smaller than that of the wrench and is easy to carry, which is convenient for the user to use.

In order to understand the technical features and practical effects of the present invention in detail, it can be implemented in accordance with the contents of the specification, and further described in detail with reference to the preferred embodiments shown in the drawings.

Referring to the preferred embodiment of the present invention as shown in FIG. 1 and FIG. 2, the present invention provides a chain quick-release tool, which is provided with a wrench body 10, and the wrench body 10 is a plate-shaped long rod body extending in the front and rear directions. The rear side and the front side of the wrench body 10 respectively form a wrench portion 11 and a driving portion 12, and the driving portion 12 extends forward from the front end of the wrench portion 11, and the left and right widths of the driving portion 12 are backward and forward. Gradually narrowed, showing a narrow and wide front shape.

A plurality of first recesses 13 are formed continuously from the front to the rear on the left side edge of the driving portion 12, and the plurality of first recesses 13 are respectively arcuate and respectively form a first pit 131 and a plurality of first recesses 13 at the most recesses. The radius of curvature gradually increases from front to back, and the radius of curvature of the first recess 13 on the rear side is larger than the radius of curvature of the first recess 13 on the front side; a plurality of second recesses 14 are continuously formed from the front to the rear on the right edge of the driving portion 12, The plurality of second recesses 14 are respectively arcuate and respectively form a second pit 141 at the most recessed portion, and the radius of curvature of the plurality of second recesses 14 gradually increases from front to back, and the curvature of the second recess 14 on the rear side. The radius of curvature is greater than the radius of curvature of the second recess 14 on the front side.

The plurality of first pits 131 and the plurality of second pits 141 are arranged in a left-right staggered manner from front to back, and the first recess 13 and the second recess 14 are in the same order from the front to the rear, for example, the first one from the front to the rear. Both the first recessed portion 13 and the second recessed portion 14 are in a state in which the second recessed portion 14 is displaced from the front and the front and rear positions of the first recessed portion 13 are displaced; likewise, the second recessed portion 13 and the second recessed portion are provided from the front to the rear. 14, the same state of the front and rear positional misalignment as the first one is also presented, and so on.

The present invention is used in the case of assembling a chain quick buckle. Referring to FIG. 3 to FIG. 4, the chain quick buckle includes a pair of links 20 respectively provided with pins 21, and the two pins 21 respectively pass through the chain 30 end. After the bushing 31 of the portion, the figure-shaped insertion hole 22 of the other chain piece 20 is inserted. When the chain fastener is assembled, the user grips the wrench portion 11 of the wrench body 10, and inserts the driving portion 12 forward between the two pins 21 so that the portion of the driving portion 12 having the proper width is located at the two pins 21 And the first recess 13 on one of the left and right sides of the driving portion 12 abuts against the bushing 31 around one of the latches 21, and then the wrench portion 11 is twisted to the right, corresponding to the other latch 21 The two recesses 14 abut against the bushing 31 around the other pin 21, then twist the wrench portion 11 to the right, and use the first recess 13 on the left side as a fulcrum of the lever to reverse the two pins 21 to make the latches 21 is fixed to the insertion hole 22 of the other link piece 20, and the assembly operation of the chain quick release is completed, and the chain 30 is connected in a ring shape.

In addition to the above-described preferred embodiment, the radius of curvature of the plurality of first recessed portions 13 and the plurality of second recessed portions 14 is gradually increased from front to back, and a plurality of first recessed portions 13 and numbers may be used. The radius of curvature of the second recessed portions 14 is the same as that of the front and rear, and the effect of combining the quick release tabs can be exhibited in the same manner. In addition to being used alone, the present invention can also be placed in a folding tool as one of the tools of the folding tool.

The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. All other equivalent changes or modifications which are not departing from the spirit of the present invention are included in the present invention. Within the scope of the patent application.

10‧‧‧Wrench body
11‧‧‧Wrist parts
12‧‧‧ Drive Department
13‧‧‧First recess
131‧‧‧ first pit
14‧‧‧Second recess
141‧‧‧ second pit
20‧‧‧ Links
21‧‧‧Latch
22‧‧‧Interposed holes
30‧‧‧Chain
31‧‧‧ bushing

1 is a perspective view of a preferred embodiment of the present invention. Figure 2 is a plan view of a preferred embodiment of the present invention. 3 is a schematic view of a preferred embodiment of the present invention in conjunction with a chain quick release. 4 is a schematic view showing the implementation of the combined chain quick release of the preferred embodiment of the present invention.

Claims (4)

A chain fast-fastening tool is provided with a wrench body, the wrench body is a long rod body extending in the front and rear directions and forming a wrench portion, and a driving portion is extended forwardly at a front end of the wrench portion, and the left and right width of the driving portion Gradually narrowed from the back to the front, a plurality of first recesses are continuously formed from the front to the rear on the left side edge of the driving portion, and a plurality of second recesses are continuously formed from the front to the rear on the right side edge of the driving portion, and the first order is in the same order from the front to the rear. The positions of one recess and each of the second recesses are shifted back and forth in the same direction. The chain fast-fastening tool of claim 1, wherein each of the first recesses respectively forms a first pit at the most recess, and each of the second recesses respectively forms a second pit at the most recess, a plurality of A pit and a plurality of second pits are arranged from front to back in a left-right staggered configuration. The chain quick-release tool of claim 1 or 2, wherein the radius of curvature of the plurality of first recesses gradually increases from front to back, and the radius of curvature of the plurality of second recesses gradually increases from front to back. The chain quick release tool of claim 3, wherein the wrench body is a plate-like long rod body extending in the front-rear direction.