TWI533952B - A clamp with multiple functions - Google Patents

Description

Clamp with multiple functions

The present invention relates to a clamp, in particular, to a clamp that disassembles a chain or disassembles a C-shaped buckle.

According to the chain, it is a kind of transmission component which is very popular in mechanical structure, and it is one of the applications of conveyors, printing machines, automobile engines and bicycles. Taking a bicycle as an example, the chain is prone to slack after a long period of use, resulting in a chain-breaking situation, which is a major safety concern for the user. Therefore, regular replacement or maintenance of the chain is an indispensable maintenance of the bicycle. project. However, the traditional chain is not easy to disassemble, and it is difficult for the bicycle user to disassemble the chain.

In view of the above problems, the industry has developed a chain 10 that can quickly disassemble a chain link. As shown in the first figure, the link A has a large diameter hole 11 and a small diameter hole 12 connected to each other when the user wants to replace. In the case of the link A, only the pin 13 stuck in the small diameter hole 12 is pushed to the large diameter hole 11, and the pin 13 can be easily removed, and the chain 10 can be easily and quickly disassembled.

However, the above-mentioned chain 10 structure must use a special chain disassembly tool, please refer to the first figure, which is a front view of a conventional folding pliers 14 disassembling the chain 10, and the two crimping jaws 15 of the pressing pliers 14 are extended. The outer side of the pin 13 of the two ends of the link A is gripped by the forceps 14 so that the two jaws 15 are pushed inwardly against the two pins 13, thereby pushing a pin 13 into the large diameter hole 11 The pin 13 can be disengaged from the link A to complete the disassembly of the chain 10. When assembling the chain, please refer to the second figure, which is a conventional extension. The tongs 17 are connected to the front view of the chain, and the two jaws 18 of the expansion tongs 17 are extended into the outside of the pin 13 of the two ends of the link A, and the user applies the force to grasp the expansion tongs 14 so that the two tongs 18 are oriented. Pushing the two links B outwardly, the pin 13 is buckled into the small diameter hole 12 by pulling force, so that the pin 13 can be fixed to the chain to complete the assembly of the chain.

However, the chain detaching tool used above cannot be used for disassembling or assembling the chain at the same time. In other words, the conventional pressing tongs can only be used for disassembling the chain and cannot be assembled, and the conventional expansion tongs can only function. In the assembly chain, the function of disassembling the chain is not provided. When the user assembles and removes the chain, the two types of clamps must be used at the same time to complete the replacement of the link, which is very inconvenient.

In order to solve the above problems, the present invention provides a structure of a clamp, which has the functions of assembling and disassembling a chain at the same time, can reduce the volume of carrying and collecting, and can even disassemble the C-shaped buckle to solve the market. The problem that is needed but still to be solved.

The main object of the present invention is to provide a clamp that allows a single clamp to be assembled and disassembled.

Another object of the present invention is to provide a clamp having two jaws and assembling and disassembling the chain with the two jaws.

Another object of the present invention is to provide a clamp having a first jaw and a second jaw that can be fitted with a C-shaped buckle for facilitating disassembly of the C-shaped buckle by a user.

The utility model provides a clamp having a plurality of functions, comprising: a first caliper body and a second caliper body, wherein the two caliper bodies respectively have a first pivoting portion, a second pivoting portion and a first a handle and a second handle; the first handle and the second The handles are respectively connected to the first pivoting portion and the lower end of the second pivoting portion; the two pivoting portions are pivotally connected to each other such that the two caliper bodies are relatively rotatable; a first jaw has a first a 颚 clip and a second 颚 clip are respectively disposed at the upper ends of the two tongs; each of the upper ends of the shanks and the pivotal portions form a joint portion; and further includes: a second The jaw is formed by a third jaw and a fourth jaw, and the third and fourth jaws are respectively disposed at the two intersections of the two jaws, and corresponding to the clamp The front or back is convex.

Preferably, the third clamp and the fourth clamp are respectively disposed at an upper end of the first grip and an upper end of the second grip.

Preferably, the third jaw and the fourth jaw are respectively disposed at a lower end of the first pivoting portion and a lower end of the second pivoting portion.

Thereby, the clamp of the present invention is provided with a first jaw and a second jaw, and the two jaws are respectively used for assembling, replacing the chain or disassembling the C-shaped buckle, so that the user does not need to change a plurality of The tool can be used for disassembly and assembly of the chain or the removal of the C-shaped buckle to improve the convenience and practicability of the clamp.

Conventional knowledge

10‧‧‧Chain

11‧‧‧ Large diameter hole

12‧‧‧ small diameter hole

13‧‧ ‧ sales

14‧‧‧ Pressing pliers

15‧‧‧ jaws

16‧‧‧ Groove

17‧‧‧Expansion forceps

18‧‧‧ jaws

19‧‧‧ Groove

A, B‧‧‧ link

this invention

20‧‧‧ clamp

22‧‧‧ pivot

24‧‧‧Flexible components

30‧‧‧ first tong body

33‧‧‧First pivotal

34‧‧‧First limit slot

35‧‧‧First limiter

36‧‧‧First grip

40‧‧‧Second caliper

43‧‧‧Second pivotal

44‧‧‧Second limit slot

45‧‧‧second limiter

46‧‧‧Second grip

C‧‧‧ handover site

50‧‧‧ first jaw

51, 51’‧‧‧ first clamp

52, 52’‧‧‧second folder

53‧‧‧ recess

60‧‧‧ second jaw

61‧‧‧third clamp

62‧‧‧fourth clamp

63‧‧‧ Groove

80‧‧‧Chain

81‧‧‧Outer link

83‧‧‧ Large diameter hole

84‧‧‧ small diameter hole

85‧‧‧Internal link

87‧‧ ‧ sales

90‧‧‧ outer buckle

91‧‧‧ Sockets

92‧‧‧ tube body

94‧‧‧ inner buckle

96‧‧‧With holes

In order to enable the reviewing committee to further understand the objects, features and effects of the present invention, the following three preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings in which: Front view of the pliers removal chain.

The second figure is a front view of a conventional expansion tongs chain.

The third figure is a perspective view of a clamp of a preferred embodiment of the present invention.

The fourth figure is an exploded perspective view of the third figure.

The fifth figure is a front view of the third figure.

Figure 5 (A) is a front elevational view of a second preferred embodiment of the clamp of the present invention.

The sixth figure is a rear view of the third figure.

The seventh figure shows a front view of the clamp removal chain of the third figure.

The eighth figure is the bottom view of the clamp of the seventh figure.

The ninth figure is a front view of the clamp of the seventh figure to complete the disassembly of the chain.

The tenth figure is the bottom view of the clamp of the ninth figure.

The eleventh figure shows a front view of the clamp assembly chain of the third figure.

Figure 12 is a top view of the clamp of Figure 11.

The thirteenth figure is a front view of the clamp of the eleventh figure to complete the assembly chain.

Figure 14 is a top view of the clamp of the thirteenth figure.

The fifteenth figure shows a schematic view of the clamp of the third figure with the C-shaped buckle of the outer buckle type removed.

Fig. 16 is a view showing a third preferred embodiment of the clamp of the present invention, and showing a schematic view of the clamp removing the C-shaped buckle of the inner buckle type.

Referring to the third to sixth embodiments, a clamp 20 having various functions according to a preferred embodiment of the present invention includes: a first caliper body 30 and a second caliper body 40, and the second caliper body 30, The first pivoting portion 33 and the second pivoting portion 43 are respectively connected to the lower end of the two pivoting portions 33 and 43 respectively, and the first handle 36 and the second grip 46 are respectively connected to the clamp. A joint portion C is formed between the upper ends of the grips 36, 46 and the respective pivot portions 33, 43 of the bodies 30, 40, as shown in the fifth figure. The junction site C described in this article The upper end of each grip and the lower end of each pivot joint are covered. The two pivoting portions 33 and 43 are superposed on each other and pivotally connected to each other by a pivoting member 22 (for example, a screwing member), so that the two caliper bodies 30 and 40 can be relatively rotated by the pivoting member 22 as a fulcrum. An elastic member 24 is disposed between the two calipers 30 and 40, and is a compression spring connected between the first caliper body 30 and the second caliper body 40. In the normal state, the two caliper bodies 30 and 40 are disposed. The second grips 36, 46 are elastically spaced apart by a distance. The first pivoting portion 33 further has a first limiting slot 34 and a first limiting member 35. The second pivoting portion 43 has a second limiting slot 44 and a second limiting member. 45. The first limiting member 35 of the first pivoting portion 33 is received in the second limiting slot 44 of the second pivoting portion 43 and is displaceable in the second limiting slot 44. The second limiting member 45 of the second pivoting portion 43 is received in the first limiting slot 34 of the first pivoting portion 33 and is displaceable in the first limiting slot 34. In the normal state, the first limiting member 35 and the second limiting member 45 are located at the lower end of the second limiting slot 44 and the lower end of the first limiting slot 34. When the user presses the two grips 36, 46 inwardly, the first and second limiting members 35, 45 are respectively displaced upward along the first and second limiting slots 34, 44. Thereby, the user can know the force application state of the clamp by viewing the positions of the first and second limiting members 35, 45, and the first and second limiting members 35, 45 and the first The second limiting slots 34, 44 can limit the relative rotation of the two caliper bodies 30, 40.

A first jaw 50 has a first jaw 51 and a second jaw 52. The jaws 51, 52 have a symmetrical configuration with a free end that is elongated. The first jaw 51 is disposed at an upper end of the first caliper body 30, and the second jaw 52 is disposed at an upper end of the second caliper body 40. The first handle 36 and the first jaw 51 are located on the same side of the clamp 10 (in the fifth figure, the first handle 36 and the first clamp 51 are located on the right side of the clamp), and The second handle 46 and the second jaw 52 are also located on the same side of the clamp 10 (for example, to the left of the clamp). In practice, the first handle 36 and the first jaw 51 may be respectively located on the right side and the left side of the clamp; and the second The handle 46 and the second jaw 52 are also located on different sides of the clamp.

In addition, in this embodiment, the first clamp 51 and the second clamp The 52 is bent toward the first surface (for example, the front surface) of the second caliper bodies 30 and 40. Therefore, the two jaws 51 and 52 are protruded toward the first surface of the clamp 20, and the second caliper body 30, 40 has an angle of approximately 90 degrees. In practice, the two jaws 51, 52 can also be bent toward the second side (for example, the back side) of the clamp, as shown in the third embodiment of the sixteenth embodiment, and convex toward the second surface of the clamp 20. Stretch. .

The first jaw 50 further has two concave portions 53 which are arc-shaped and are respectively disposed on the outer side of the first jaw 51 of the first jaw 30 and the second jaw 40. The outer side of the second clip 52.

When the user presses the two grips 36, 46 inwardly, the first jaw 50 will open outwardly, so that the distance between the first jaw 51 and the second jaw 52 is enlarged, and the group can be used for the group. Connect the chain.

a second jaw 60 having a third jaw 61 and a fourth jaw 62, the jaws 61, 62 having a symmetrical configuration, the free ends of which are elongated and respectively disposed at the first jaw In the present embodiment, the third clamp 61 and the fourth clamp 62 are respectively disposed at the upper end of the first grip 36 and the first portion of the first gripper 36. The upper end of the second handle 46; the third and fourth jaws 61, 62 are disposed at the lower end of the first pivoting portion 33 and the lower end of the second pivoting portion 43, and are also selected for implementation, in accordance with the present specification. The two jaws 61, 62 are disposed at the intersection C.

The third jaw 61 and the fourth jaw 62 are bent and protrude toward the first surface (for example, the front surface) of the caliper body 20, and in the embodiment, the two jaws 61, 62 are disposed on the second The inside of the grips 36, 46. The two jaws 61, 62 can also be disposed on the outer sides of the two grips 36, 46 as shown in the second embodiment of the fifth figure (A).

Taking the embodiment of the fifth figure as an example, the clamping jaws of the two jaws 50 and 60 51, 52, 61, 62 are all protruded toward the first surface of the clamp, and the jaws 51, 52 of the first jaw 50 are located in a first plane, and the jaws 61, 62 of the second jaw 60 are Located in a second plane, the two planes are horizontal planes, so the two jaws are parallel. The first jaw 50 can also be shown as the imaginary line of the fifth figure (A) and the third figure, so that the first and second jaws 51', 52' protrude upward, and the two handles 36, 46 is parallel. Thus, the two jaws are located in different planes, i.e., the first and second jaws 51', 52' are in a vertical plane, and the third and fourth jaws 61, 62 are in a horizontal plane. It can be understood that the clamps can also be made inclined and placed on an inclined plane, not limited to being in an upright or horizontal state. The two jaws can also respectively protrude from different faces (first side or second side) of the clamp.

The second jaw 60 further has two grooves 63, and the two grooves 63 are also The arcuate shapes are respectively disposed on the inner side of the third jaw 61 of the first caliper body 30 and the inner side of the fourth jaw 62 of the second caliper body 40. The two grooves 63 correspond to each other.

When the user presses the two grips 36, 46 inward, the second pliers The mouth 60 will condense inwardly to reduce the distance between the third jaw 61 and the fourth jaw 62, which can be used to disassemble the chain.

Please refer to the seventh and eighth figures. The clamp 20 of this embodiment can be used for disassembly. Solving or assembling a chain 80, the chain is composed of a plurality of outer links 81 and a plurality of inner links 85, each of the outer links 81 and each of the inner links 85 are alternately arranged, and the inner and outer links are respectively arranged. The joints 81 and 85 are connected by a pin 87 so that the pin 87 can be relatively rotated between the links 81 and 85 as a fulcrum. One end of the outer link 81 has a latching portion, and the latching portion has a large diameter hole 83 and a small diameter hole 84 connected to each other. The small diameter hole 84 is adjacent to the outer side of the outer link 81. The large diameter hole 83 is close to the center of the outer link 81. One end of the pin 87 has a ring groove (not shown) that can be snapped into the small diameter hole 84.

Please refer to the seventh and eighth figures. When the chain 80 is dismantled, The third and fourth jaws 61, 62 of the second jaw 60 of the clamp 20 respectively extend into the two inner links 85 adjacent to the outer link 81, and the two grooves of the second jaw 60 are recessed. After contacting the two pins 87, the two grips 36, 46 are pressed inwardly to reduce the distance between the third and fourth jaws 61, 62 of the second jaw 60, and the two grooves 63 are mutually Closely, and the two grooves 63 press the two pins 87 inwardly, the two pins 87 are separated from the two small diameter holes 84 and moved into the two large diameter holes 83, so that the pin 87 can be detached from the outer chain 80. The disassembly of the chain 80 is completed, as shown in the ninth and tenth figures.

Please refer to Figures 11 and 12, when the chain 80 is assembled, the clamp The first and second jaws 51, 52 of the first jaw 50 of the jaw 20 respectively extend into the two inner links 85 adjacent to the outer link 81, and the two recesses 53 and the two pins 87 are in contact with each other, and The two grips 36 and 46 are pressed inwardly to enlarge the distance between the first and second jaws 51 and 52 of the first jaw 50, so that the two recesses 53 press the two pins 87 outward, and the two pins are pressed. 87, the two small diameter holes 84 are moved into the inner circumference of the two small diameter portions 87, and the two pins 87 are fixed in the two small diameter holes 84 to complete the assembly of the chain 80. As shown in Figures 13 and 14.

The clamp 20 of the present invention can also be used to remove a C-shaped buckle, see In the fifteenth embodiment, an outer buckle 90 is sleeved on the outer peripheral surface of a tubular body 92, and the outer ends of the outer retaining ring 90 respectively have a plug hole 91. When the outer buckle 90 is removed, the two free ends of the first and second jaws 51, 52 of the clamp 20 are inserted into the two insertion holes 91 of the outer buckle 90, and the two grips are pressed inwardly. The shank 36, 46 causes the first jaw 50 to open outwardly, and the two insertion holes 91 of the outer buckle 90 are separated from each other, so that the outer buckle 90 is outwardly expanded and can be detached from the tubular body 92.

Please refer to the sixteenth figure, an inner buckle 94 is installed in the tube body 92. The two ends of the inner buckle 94 have a through hole 96 respectively. When the inner buckle 94 is removed, the two free ends of the third and fourth jaws 61, 62 of the clamp 20 are inserted into the two through holes 96 of the inner buckle 94, and the two are pressed inwardly. Grip 36, 46, The second jaw 60 is folded inwardly, and the two through holes 96 of the inner buckle 94 are brought close to each other, so that the inner buckle 90 is tightened inwardly and can be detached from the tubular body 92.

It can be understood that, in implementation, the first handle 36 and The first jaw 51 can be located on the opposite side of the clamp 10, and the second grip 46 and the second jaw 52 can also be located on opposite sides of the clamp 10. The distance between the two free ends of the first and second jaws 51, 52 of the first jaw 50 is different from the distance between the two free ends of the third and fourth jaws 61, 62 of the second jaw 60. Thus, the clamp 20 of the present invention can be selectively disassembled by the first jaw 50 or the second jaw 60 according to the size of the inner buckle 94, and the user does not need to be replaced by the size of the C-shaped buckle. Different tools to improve the convenience of the project.

The clamp of the present invention has a first jaw and a second jaw, the first A jaw can push the two pins of the chain outward, and the two pins are fixed in the chain to complete the assembly of the chain. The second jaw can push the two pins of the chain inwardly, so that the two pins can be removed from the chain, and the chain can be updated or replaced. The clamp of the present invention also has the function of disassembling the C-shaped buckle, and can be removed by the first jaw or the second jaw according to the type of the C-shaped buckle. Thereby, the user can carry out the assembly, disassembly or disassembly of the C-shaped buckle without carrying a plurality of tools, thereby reducing the burden on the carrying person and increasing the convenience in the application, so that the clamp is more Practical and convenient, it is a rare invention.

The above examples are merely illustrative of the invention and not to be limiting. The invention The clamps with various functions are the first structure of the same kind of articles, and the improvement of the existing clamps is improved, and the application is made according to law.

20‧‧‧ clamp

22‧‧‧ pivot

24‧‧‧Flexible components

30‧‧‧ first tong body

33‧‧‧First pivotal

34‧‧‧First limit slot

36‧‧‧First grip

40‧‧‧Second caliper

43‧‧‧Second pivotal

45‧‧‧second limiter

46‧‧‧Second grip

50‧‧‧ first jaw

51, 51’‧‧‧ first clamp

52, 52’‧‧‧second folder

53‧‧‧ recess

60‧‧‧ second jaw

61‧‧‧third clamp

62‧‧‧fourth clamp

63‧‧‧ Groove

Claims (11)

A clamp having a plurality of functions, comprising: a first caliper body and a second caliper body, wherein the two caliper bodies respectively have a first pivoting portion, a second pivoting portion, a first handle and a first a second handle; the first handle and the second handle are respectively connected to the lower end of the first pivoting portion and the second pivoting portion; the two pivoting portions are pivotally connected to each other to make the second clamp The body is relatively rotatable; a first jaw having a first jaw and a second jaw, the jaws being respectively disposed at the upper ends of the jaws; wherein each of the grips of the jaws Forming a junction between the upper end and each of the pivoting portions; further comprising: a second jaw formed by a third jaw and a fourth jaw, the third and fourth jaws respectively Provided on the two intersection portions of the two tongs, and corresponding to each other; the front surface and the back surface of the clamp respectively form a first surface and a second surface; the third and fourth jaws of the second jaw are oriented toward The first side or the second side of the clamp protrudes. The clamp of claim 1, wherein the third clamp and the fourth clamp are respectively disposed at an upper end of the first grip and an upper end of the second grip. The clamp of claim 1, wherein the third clamp and the fourth clamp are respectively disposed at a lower end of the first pivot portion and a lower end of the second pivot portion. The clamp of claim 1, wherein: the first jaw further has two recesses respectively disposed on an outer side of the first jaw and an outer side of the second jaw; the second jaw The utility model further has two grooves, which are respectively disposed on an inner side of the third jaw and an inner side of the fourth jaw. The clamp of any one of claims 1 to 4, wherein: the first grip, the first clamp, and the third clamp are located on the same side of the clamp; the second grip, The second jaw and the fourth jaw are also located on the same side of the clamp. The clamp of any one of claims 1 to 4, wherein: the first grip and The first jaw is located on the opposite side of the clamp; the second grip and the second jaw are also located on opposite sides of the clamp. The clamp of any one of claims 1 to 4, wherein the first jaw and the second jaw of the first jaw are located in a first plane; the third jaw of the second jaw The 颚 clip and the fourth 颚 clip are located in a second plane; the first plane and the second plane are parallel or non-parallel to each other. The clamp of any one of claims 1 to 4, wherein the first jaw and the second jaw protrude from the same side of the clamp. The clamp of any one of claims 1 to 4, wherein the first jaw and the second jaw protrude from opposite sides of the clamp. The clamp of any one of claims 1 to 4, wherein: the first and second jaws of the first jaw are convex upward or convex toward the first side or the second side of the clamp Stretch. The clamp of any one of claims 1 to 4, wherein the first pivoting portion and the second pivoting portion are overlapped with each other, and the first pivoting portion further has a first limiting slot Or a first limiting member, the second pivoting portion further has a second limiting slot or/and a second limiting member; the first limiting portion of the first pivoting portion is placed The second limiting slot of the second caliper body is displaceable in the second limiting slot; the second limiting component of the second pivoting portion is received in the first limit of the first caliper body In the bit slot, and can be displaced in the first limiting slot.