TWI762333B - Tool with buffer structure - Google Patents

Abstract

A tool with buffer structure includes a tool head, a first rod, a second rod, and an elastic member. The tool head is provided with a first pivoting portion. The first rod is provided with a first sliding portion. The second rod is provided with a second pivoting portion pivotally connected to the first pivoting portion. The second rod is provided with a second sliding portion movably connected to the first pivoting portion. The second rod can move relative to the first rod and make the tool head close to or away from the first sliding portion. One end of the elastic member abuts against the first rod, and the other end abuts against the second rod. The elastic member can push the second rod to move and make the tool head close to the first sliding portion. Thus, the tool can reduce the impact damage to the pivoting structure.

Description

Tool with buffer structure

The present invention mainly discloses a tool, especially a tool with a buffer structure.

Please refer to Chinese Patent No. I648133 "Crowbar Tool with Shiftable Claws", which is a crowbar tool with movable claws, which includes a main body and a prying element group, the main body is along a The axial extension of the virtual through shaft, the main body is provided with a first connecting part and a second connecting part along the radial direction of the virtual through shaft, the first connecting part and the second connecting part are respectively arranged on different sides of the virtual through shaft , the prying element group can be connected to the body in a first connection state or a second connection state, the prying element group includes a first prying element and a second prying element, when the prying element group is in the first connection state , the first prying piece is connected to the first connecting part, the second prying piece is connected to the second connecting part, when the prying piece set is in the second connection state, the first prying piece is connected to the second connecting part, the second prying piece is connected to the second connecting part The prying element is connected to the first connecting part.

However, when the above tools are used for prying and pulling operations, it is inevitable that they will encounter tightly coupled objects to be pryed and pulled out, and a larger external force is required to insert the pry bar tool into the gap between the object to be pryed and the fixed object. However, the impact of external force may damage the pivot structure between the prying element set and the body, especially the part where the pivot between the handle and the prying seat and the inner and outer teeth between the prying seat and the prying seat are engaged.

In view of the lack of the above-mentioned conventional structure, the inventors have designed a tool with a buffer structure, which can overcome all the disadvantages of the above-mentioned conventional structure.

The main purpose of the tool with buffer structure of the present invention is to provide a tool including a tool head, a first rod, a second rod and an elastic member, the tool head is provided with a first pivot part and a pivot The first pivot part is provided with a first tooth part, the pivot is provided with a second tooth part, the first rod is provided with a first sliding part, and one end of the second rod is provided with a first Two pivot parts, the pivot is connected to the first pivot part and the second pivot part, and the second tooth part engages the first tooth part, the second rod is provided with a second sliding part, The second sliding portion is movably connected to the first sliding portion, the second rod can move relative to the first rod and make the tool head approach or move away from the first sliding portion, and one end of the elastic member is against the first sliding portion. Relying on the first rod and the other end against the second rod, the elastic piece can push the second rod to move and make the tool head close to the first sliding part, the tool can reduce the impact through the above-mentioned buffer structure Damage to pivot structures.

The first rod includes a sliding sleeve, the sliding sleeve is provided with a first socket hole, the first sliding portion is disposed on the inner periphery of the first socket hole, the second rod includes a rod body and a stopper, the second pivot part and the second sliding part are arranged on the rod body, the stopper is fixedly connected to the end of the rod body opposite to the second pivot part, the stopper protrudes One end of the elastic piece abuts against the sliding sleeve and the other end abuts against the stopper.

The second rod can axially slide relative to the first rod along a first virtual extension line, an accommodating portion is provided on the inner periphery of the first socket hole, and the first sliding portion extends along the first virtual The width in the radial direction of the line is smaller than the width of the accommodating portion in the radial direction of the first virtual extension line. The stopper is provided with a wide portion and a narrow portion along the radial outer edge of the first virtual extension line. The width of the part along the radial direction of the first virtual extension line is smaller than the width of the wide part along the radial direction of the first virtual extension line; The wide part protrudes from the accommodating part, the elastic part is sleeved on the narrow part, one end of the elastic part abuts against the end face of the first sliding part adjacent to the accommodating part, and the other end abuts against the accommodating part. wide part.

The tool head is provided with an impact part, the sliding sleeve is provided with a second socket hole, the second socket hole is adjacent to the first socket hole, the first rod includes a sleeve and an impact rod, the The sleeve is fixedly connected to the sliding sleeve and inserted into the second socket hole, the impact rod can be axially moved in the sleeve along a second virtual extension line, and the second virtual extension line is connected to the first sleeve. A virtual extension line is parallel, and one end of the impact rod is provided with an impact portion. When the impact rod moves in a direction adjacent to the tool head, the impact portion contacts the impact portion. When the impact rod moves in a direction away from the tool head , the impact part is separated from the impact part.

A first flange and a second flange are disposed along the radial outer periphery of the impact rod along the second virtual extension line, and the first flange and the second flange are respectively abutted against the inner periphery of the sleeve , there are two air grooves between the first flange and the second flange, the two air grooves do not contact the inner periphery of the sleeve, and the two air grooves communicate with the first flange adjacent to the impact portion One side of the first flange is opposite to the side of the striking portion.

The inner periphery of the second socket hole is radially provided with a locking groove and a first through hole along the second virtual extension line, and the outer periphery of the sleeve is radially provided with a locking catch along the second virtual extension line a flange and a second through hole, the clamping flange abuts against the clamping groove, the second through hole communicates with the first through hole, the clamping groove, the first through hole, the clamping flange and the first through hole The two perforations are on the same line, and the inner periphery of the sleeve is provided with an extrusion groove, which corresponds to the clamping flange.

The rod body is radially protruded with two stop flanges along the first virtual extension line, the two stop flanges are respectively disposed on opposite sides of the rod body, and the elastic member pushes the second rod to move When the tool head is brought close to the first sliding portion, the two stop flanges abut against the side of the sliding sleeve adjacent to the tool head.

The cross-sectional shape of the first sliding portion along the radial direction of the first virtual extension line is a hexagonal hole shape, and the cross-sectional shape of the second sliding portion along the radial direction of the first virtual extension line is a hexagonal shape.

A plurality of concave edges are recessed on the outer periphery of the impact rod along the radial direction of the second virtual extension line. The plurality of concave edges are adjacent to the end of the impact rod opposite to the impact portion. The first rod is provided with a handle. The handle is sleeved on one end of the impact rod opposite to the impact portion, the handle is provided with several connecting flanges, the several connecting flanges are respectively abutted against the several concave edges, and the handle is in a solid structure.

A plurality of concave edges are recessed on the outer periphery of the impact rod along the radial direction of the second virtual extension line. The plurality of concave edges are adjacent to the end of the impact rod opposite to the impact portion. The first rod is provided with a handle. The handle is sleeved on one end of the impact rod opposite to the impact portion, the handle is provided with a through hole and several connecting flanges, the through hole penetrates the opposite ends of the handle, so that the handle has a hollow structure , the plurality of connecting flanges are disposed on the inner peripheral edge of the through hole, and the plurality of connecting flanges are respectively abutted against the plurality of concave edges.

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

Regarding the techniques, means and effects of the present invention, two preferred embodiments are given and described in detail in conjunction with the drawings, which are for illustrative purposes only, and are not limited by such structures in the patent application.

Referring to FIG. 1 and FIG. 2 , it is a three-dimensional appearance view and a three-dimensional exploded view of the first embodiment of the tool with a buffer structure of the present invention. The tool 10 of the present invention includes a tool head 20, a first rod 30, a second rod 40 and an elastic member 50; wherein:

The tool head 20 is provided with a first pivot portion 21 and a pivot shaft 22 , the first pivot portion 21 is provided with a first tooth portion 211 , and the pivot shaft 22 is provided with a second tooth portion 221 .

Please continue to refer to FIG. 3 to FIG. 7 , which are the cross-sectional structure diagram of the sliding sleeve, the cross-sectional structure diagram of the grip, the cross-sectional structure diagram of the second rod, and the action of the impact rod according to the first embodiment of the tool with a buffer structure of the present invention. picture. The first rod 30 is provided with a first sliding portion 31 .

One end of the second rod 40 is provided with a second pivot portion 41 , the pivot shaft 22 is connected to the first pivot portion 21 and the second pivot portion 41 , and the second tooth portion 221 engages with the first pivot portion 41 . The tooth part 211, the second rod 40 is provided with a second sliding part 42, the second sliding part 42 is movably connected to the first sliding part 31, the second rod 40 can be opposite to the first rod 30 moves and makes the tool head 20 approach or move away from the first sliding portion 31 .

One end of the elastic member 50 abuts against the first rod 30 and the other end against the second rod 40 , the elastic member 50 can push the second rod 40 to move and make the tool head 20 close to the first slide Move part 31 .

The first rod 30 includes a sliding sleeve 32, the sliding sleeve 32 is provided with a first socket hole 321, the first sliding portion 31 is disposed on the inner periphery of the first socket hole 321, the second rod 40 includes a rod body 43 and a stopper 44, the second pivot portion 41 and the second sliding portion 42 are disposed on the rod body 43, the stopper 44 is fixedly connected to the rod body 43 opposite to the At one end of the second pivot portion 41 , the stopper 44 protrudes from the first socket hole 321 and is disposed on the side of the sliding sleeve 32 opposite to the tool head 20 , and one end of the elastic member 50 abuts against the The other end of the sliding sleeve 32 abuts against the stopper 44 .

The second rod 40 can slide relative to the first rod 30 along a first virtual extension line L1 in the axial direction. An accommodating portion 322 is provided on the inner periphery of the first socket hole 321 . The first sliding portion 31 The radial width of the first virtual extension line L1 is smaller than the radial width of the accommodating portion 322 along the radial direction of the first virtual extension line L1, and the stopper 44 is disposed along the radial outer periphery of the first virtual extension line L1 There is a wide portion 441 and a narrow portion 442. The width of the narrow portion 442 along the radial direction of the first imaginary extension line L1 is smaller than the width of the wide portion 441 along the radial direction of the first imaginary extension line L1. Set on the accommodating portion 322 and fixedly connected to the rod body 43 by means of a screw lock, the wide portion 441 protrudes from the accommodating portion 322 , the elastic member 50 is sleeved on the narrow portion 442 , one end of the elastic member 50 is The first sliding portion 31 abuts against the end surface of one side of the first sliding portion 31 adjacent to the accommodating portion 322 and the other end against the wide portion 441 .

The tool head 20 is provided with an impact portion 23, the sliding sleeve 32 is provided with a second socket hole 323, the second socket hole 323 is adjacent to the first socket hole 321, and the first rod 30 includes a A sleeve 33 and an impact rod 34, the sleeve 33 is fixedly connected to the sliding sleeve 32 and inserted into the second socket hole 323, the impact rod 34 can move axially along a second virtual extension line L2 Set in the sleeve 33 , the second virtual extension line L2 is parallel to the first virtual extension line L1 , one end of the impact rod 34 is provided with an impact portion 341 , and the impact rod 34 is in a direction adjacent to the tool head 20 . When moving, the impact portion 341 contacts the impact portion 23 , and when the impact rod 34 moves away from the tool head 20 , the impact portion 341 is separated from the impact portion 23 .

A first flange 342 and a second flange 343 are disposed along the radial outer periphery of the impact rod 34 along the second virtual extension line L2. The first flange 342 and the second flange 343 are respectively abutted against On the inner periphery of the sleeve 33, two air grooves 344 are disposed between the first flange 342 and the second flange 343. The two air grooves 344 do not contact the inner periphery of the sleeve 33. The two air grooves 344 do not touch the inner periphery of the sleeve 33. The air groove 344 communicates with a side of the first flange 342 adjacent to the striking portion 341 and a side of the first flange 342 opposite to the striking portion 341 .

A locking groove 324 and a first through hole 325 are radially provided on the inner periphery of the second socket hole 323 along the second virtual extension line L2 , and the outer periphery of the sleeve 33 is radially along the second virtual extension line L2 A locking flange 331 and a second through hole 332 are provided in the direction. The locking flange 331 abuts against the locking groove 324, the second through hole 332 communicates with the first through hole 325, and the locking groove 324, The first through hole 325 , the locking flange 331 and the second through hole 332 are on the same line, and a pressing groove 333 is formed on the inner periphery of the sleeve 33 , and the pressing groove 333 corresponds to the locking flange 331 .

The rod body 43 radially protrudes with two stop flanges 431 along the first virtual extension line L1 , and the two stop flanges 431 are respectively disposed on opposite sides of the rod body 43 . When the second rod 40 is pushed to move and the tool head 20 is close to the first sliding portion 31 , the two stop flanges 431 abut against a side of the sliding sleeve 32 adjacent to the tool head 20 .

The cross-sectional shape of the first sliding portion 31 along the radial direction of the first virtual extension line L1 is a hexagonal hole, and the cross-sectional shape of the second sliding portion 42 along the radial direction of the first virtual extension line L1 is a hexagonal hole. edge.

A plurality of concave edges 345 are recessed on the radial outer periphery of the impact rod 34 along the second virtual extension line L2. The plurality of concave edges 345 are adjacent to an end of the impact rod 34 opposite to the impact portion 341. A handle 35 is provided, the handle 35 is sleeved on the end of the impact rod 34 opposite to the impact portion 341, the handle 35 is provided with a plurality of connecting flanges 351, and the plurality of connecting flanges 351 respectively abut against the The plurality of concave edges 345, the handle 35 is a solid structure.

The tool 10 can reduce the damage to the pivot structure caused by the impact through the above-mentioned buffer structure. The tool head 20 is a prying tool head in this embodiment. When the tool 10 is in use, the tool head 20 can be aligned with the object to be pryed out. The impact rod 34 moves back and forth, and the impact rod 34 is used to impact the tool head 20 , and the tool head 20 can be inserted into the gap between the object to be pried out and the fixed object in a labor-saving way, and pass through the buffer structure Reduce the impact force of the above-mentioned impact action on the pivot structure of the first pivot portion 21 and the second pivot portion 41, especially the part of the first tooth portion 211 and the second tooth portion 221, to avoid this The first tooth portion 211 and the second tooth portion 221 are damaged.

Referring to FIGS. 8 and 9 , it is a three-dimensional appearance view and a cross-sectional structure view of the handle of the second embodiment of the tool with a buffer structure of the present invention. A plurality of concave edges 345a are recessed along the radial outer periphery of the impact rod 34a along the second virtual extension line L2. The plurality of concave edges 345a are adjacent to an end of the impact rod 34a opposite to the impact portion 341a. The first rod 30a A handle 35a is provided, the handle 35a is sleeved on the end of the impact rod 34a opposite to the impact portion 341a, the handle 35a is provided with a through hole 352a and several connecting flanges 351a, the through hole 352a penetrates through The opposite ends of the handle 35a make the handle 35a a hollow structure, the plurality of connecting flanges 351a are disposed on the inner periphery of the through hole 352a, and the plurality of connecting flanges 351a are respectively abutted against the plurality of recesses Edge 345a.

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

1. It is a tool with a buffer structure of the present invention, wherein the tool includes a tool head, a first rod, a second rod and an elastic member, the tool head is provided with a first pivot part and a pivot, the The first pivot part is provided with a first tooth part, the pivot is provided with a second tooth part, the first rod is provided with a first sliding part, and one end of the second rod is provided with a second pivot part, the pivot is connected to the first pivot part and the second pivot part, and the second tooth part engages the first tooth part, the second rod is provided with a second sliding part, the second The sliding part is movably connected to the first sliding part, the second rod can move relative to the first rod and make the tool head close to or away from the first sliding part, and one end of the elastic piece abuts against the first sliding part The first rod and the other end abut against the second rod, the elastic piece can push the second rod to move and make the tool head close to the first sliding part, the tool can reduce the impact on the pivot connection through the above-mentioned buffer structure structural damage.

However, the above are only preferred embodiments 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 equivalents made according to the scope of the patent application of the present invention Changes and modifications should still fall within the scope of the patent of the present invention.

10: Tools 20: Tool head 21: The first pivot part 211: First tooth 22: Pivot 221: Second tooth 23: Impact Department 30: First shot 31: The first sliding part 32: Sliding sleeve 321: first socket hole 322: accommodating part 323: Second socket hole 324: Card slot 325: First Piercing 33: Casing 331:Clamping flange 332: Second Perforation 333: Extrusion groove 34: Impact bar 341: Impact Department 342: First flange 343: Second flange 344: Air Gutter 345: concave edge 35: Grip 351: Connection flange 40: Second shot 41: Second pivot part 42: Second sliding part 43: Rod body 431: Stop flange 44: Stopper 441: Wide part 442: Narrow part 50: Elastic 30a: first shot 34a: Impact bar 341a: Impact Division 345a: concave edge 35a: Grip 351a: Connection flange 352a: Through hole L1: The first virtual extension line L2: Second virtual extension line

FIG. 1 is a three-dimensional appearance view of the first embodiment of the tool with a buffer structure according to the present invention. FIG. 2 is an exploded perspective view of the first embodiment of the tool with a buffer structure according to the present invention. FIG. 3 is a cross-sectional structural view of the sliding sleeve of the first embodiment of the tool with a buffer structure according to the present invention. FIG. 4 is a cross-sectional structural view of the grip of the first embodiment of the tool with a buffer structure according to the present invention. 5 is a cross-sectional structural view of the second rod of the first embodiment of the tool with a buffer structure of the present invention. 6 is a cross-sectional structural view of the sliding sleeve of the first embodiment of the tool with a buffer structure of the present invention from another perspective. Fig. 7 is the action diagram of the impact bar of the first embodiment of the tool with buffer structure of the present invention. FIG. 8 is a perspective view of the second embodiment of the tool with a buffer structure according to the present invention. FIG. 9 is a cross-sectional view of the handle of the second embodiment of the tool with a buffer structure according to the present invention.

10: Tools

20: Tool head

30: First shot

32: Sliding sleeve

33: Casing

34: Impact bar

341: Impact Department

35: Grip

40: Second shot

43: Rod body

44: Stopper

50: Elastic

Claims (9)

A tool with a buffer structure, comprising: a tool head, the tool head is provided with a first pivot part and a pivot, the first pivot part is provided with a first tooth, the pivot is provided with a second tooth; a first rod, the first rod is provided with a first sliding part, the first rod includes a sliding sleeve, the sliding sleeve is provided with a first socket hole, the first sliding part The moving part is arranged on the inner periphery of the first socket hole; a second rod, one end of the second rod is provided with a second pivot part, and the pivot is connected to the first pivot part and the second pivot a connecting part, and the second tooth part engages the first tooth part, the second rod is provided with a second sliding part, the second sliding part is movably connected to the first sliding part, the second sliding part is The rod can move relative to the first rod and make the tool head close to or away from the first sliding part, the second rod includes a rod body and a stopper, the second pivoting part and the second sliding part The stopper is fixedly connected to the end of the rod body opposite to the second pivoting part, the stopper protrudes from the first socket hole and is arranged on the sliding sleeve opposite to the tool One side of the head; an elastic piece, one end of the elastic piece abuts against the sliding sleeve and the other end against the stopper, the elastic piece can push the second rod to move and make the tool head close to the first A sliding part. The tool with a buffer structure as claimed in claim 1, wherein the second rod can axially slide relative to the first rod along a first virtual extension line, and the inner periphery of the first socket hole is provided with an accommodating part, the width of the first sliding part along the radial direction of the first virtual extension line is smaller than the width of the accommodating part along the radial direction of the first virtual extension line, and the width of the stopper along the radial direction of the first virtual extension line The outer periphery is provided with a wide portion and a narrow portion, the width of the narrow portion along the radial direction of the first virtual extension line is smaller than the width of the wide portion along the radial direction of the first virtual extension line, and the narrow portion is inserted into the container. and is fixedly connected to the The rod body, the wide part protrudes from the accommodating part, the elastic part is sleeved on the narrow part, one end of the elastic part abuts against the end face of the first sliding part adjacent to the accommodating part and the other end abuts against the wide portion. The tool with buffer structure according to claim 2, wherein the tool head is provided with an impact part, the sliding sleeve is provided with a second socket hole, the second socket hole is adjacent to the first socket hole, the The first rod includes a sleeve and an impact rod, the sleeve is fixedly connected to the sliding sleeve and inserted into the second socket hole, and the impact rod can be axially moved along a second virtual extension line. In the sleeve, the second virtual extension line is parallel to the first virtual extension line, and an impact portion is provided at one end of the impact rod. When the impact rod moves in a direction adjacent to the tool head, the impact portion contacts the impact portion When the impact rod moves away from the tool head, the impact part is separated from the impact part. The tool with a buffer structure according to claim 3, wherein a first flange and a second flange are disposed along the radial outer periphery of the impact rod along the second virtual extension line, and the first flange and the The second flanges abut against the inner periphery of the sleeve respectively, two air grooves are disposed between the first flange and the second flange, the two air grooves do not contact the inner periphery of the sleeve, the The two air grooves communicate with a side of the first flange adjacent to the impact portion and a side of the first flange opposite to the impact portion. The tool with a buffer structure according to claim 3, wherein an inner peripheral edge of the second socket hole is radially provided with a locking groove and a first through hole along the second virtual extension line, and an outer peripheral edge of the sleeve A latching flange and a second through hole are radially arranged along the second virtual extension line, the latching flange abuts the latching groove, the second through hole communicates with the first through hole, and the latching groove , The first through hole, the clamping flange and the second through hole are on the same line, and the inner periphery of the sleeve is provided with an extrusion groove, and the extrusion groove corresponds to the clamping flange. The tool with buffer structure according to claim 3, wherein the rod body is radially protruded with two stop flanges along the first virtual extension line, and the two stop flanges are respectively disposed opposite to the rod body of On both sides, when the elastic member pushes the second rod to move and makes the tool head approach the first sliding portion, the two stop flanges abut against one side of the sliding sleeve adjacent to the tool head. The tool with a buffer structure according to claim 3, wherein the cross-sectional shape of the first sliding portion along the radial direction of the first virtual extension line is a hexagonal hole shape, and the second sliding portion is in the shape of a hexagonal hole along the first virtual extension line. The radial cross-sectional shape of the extension line is hexagonal. The tool with a buffer structure according to any one of claims 4 to 7, wherein a plurality of concave edges are recessed along the radial outer periphery of the impact rod along the second virtual extension line, and the plurality of concave edges are adjacent to the impact One end of the rod opposite to the impact part, the first rod is provided with a handle, the handle is sleeved on the end of the impact rod opposite to the impact part, the handle is provided with a number of connecting flanges, the number of connections The flanges abut against the plurality of concave edges respectively, and the handle has a solid structure. The tool with a buffer structure according to any one of claims 4 to 7, wherein a plurality of concave edges are recessed along the radial outer periphery of the impact rod along the second virtual extension line, and the plurality of concave edges are adjacent to the impact One end of the rod opposite to the impact part, the first rod is provided with a handle, the handle is sleeved on the end of the impact rod opposite to the impact part, the handle is provided with a through hole and several connecting flanges , the through hole penetrates the opposite ends of the handle, so that the handle has a hollow structure, the plurality of connecting flanges are arranged on the inner periphery of the through hole, and the plurality of connecting flanges are respectively abutted against the plurality of concave edge.

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