TWM566128U - Bushing for removing screw piece - Google Patents

Abstract

The bushing of the creation disassembling screw comprises a sleeve hole and a stop portion, and the sleeve hole is located at an inner circumference of the bushing, and the sleeve hole extends in a direction from the front end toward the rear end in the axial direction of the virtual rotation axis, and the sleeve The receiving hole includes a plurality of socket portions and a plurality of dodging slots. Each of the plurality of dodging slots is located between two adjacent socket portions of the plurality of socket portions, and the stopping portion is disposed on the socket hole. The inner peripheral surface of the sleeve extends from the inner circumferential surface of the socket hole in a radial direction of the virtual rotation axis toward the virtual rotation axis, and the stopper portion is located between the sleeve hole and the rear end, and the bushing is provided by the above The structure can prevent the screw from being separated from the bushing during the turning process, which is beneficial for the user to perform the turning operation.

Description

Removing the bushing of the screw

This creation mainly discloses a bushing for removing a screw, especially a dismounting bushing which can be used exclusively for disassembling a round screw or a rust screw.

Press, the hand tool can provide the function of disassembling the screw. When the screw is repeatedly used or rusted, the corner of the screw will be driven by the hand tool due to reciprocation, and the screw will be worn by the hand tool with higher hardness. After the corner of the screw is rounded, the hand tool cannot smoothly drive the screw, and the hand tool will be idling with the screw to complete the locking or unscrewing purpose.

Please refer to the Patent No. 96215962.X of the People's Republic of China for the "Wrench for Wrapping Wear Bolt Geometry" patent, which is a wrench that can pull the geometric shape of the wear bolt, which will be a closed wrench or a socket wrench. The inner hole is formed into a regular 12-sided shape, and the corner top is rounded, and each side has an expanded M-shaped tines on the arch shape, and the sharp teeth and the corners on the adjacent side arches form a near-distance symmetrical form. It has the ability to tighten or loosen the worn bolts.

However, the above-mentioned wrench adopts a design in which a special driving hole is formed directly on the closed-end wrench, so that the user has to re-purchase a new wrench, and the new wrench needs to be prepared for different specifications and sizes to satisfy the driving. Different sizes and sizes require a large economic burden for the user. In addition, the entire wrench tool requires storage space, so additional space for preparation is required.

In addition, another embodiment of the patent of the People's Republic of China is to design a special drive hole on the sleeve, the cost and volume of the sleeve is smaller than the complete wrench, but the purchase of the entire set of sleeves still has a high cost. problem.

In view of the above-described deficiencies in the conventional structure, the present author has devised a bushing for removing a screw which overcomes all of the disadvantages of the above-described conventional structure.

The main purpose of the bush for disassembling a screw is to provide a bushing including a sleeve hole and a stop portion, the sleeve hole being located at an inner circumference of the bushing, the bushing being along a virtual rotation axis One end of the axial direction is provided with a front end and a different end is disposed at the other end, and the sleeve hole extends in the axial direction of the virtual rotating shaft from the front end toward the rear end, and the sleeve hole includes a plurality of Each of the plurality of evasion slots is located between two adjacent sockets of the plurality of socket portions, and any one of the plurality of socket portions The first segment includes a first end and a second end, and the second segment includes a first end and a second end, the second end a first end of the segment is connected to one of the plurality of dodging slots, and the second end of the first segment and the first end of the second segment are respectively located at two ends of the class connecting segment, and the second segment is The two ends are connected to another one of the plurality of dodging slots, and the stopping portion is disposed on the sleeve An inner circumferential surface of the hole, the inner circumferential surface of the sleeve hole extends in a direction of the virtual rotation axis toward the virtual rotation axis, and the stop portion is located at the sleeve hole and the rear end Between the above, the bushing can prevent the screw from being disengaged from the bushing during the turning process, which is advantageous for the user to perform the turning operation.

The distance from the virtual axis of rotation to the second end of the first segment forms a first length, the first length being the minimum distance from the virtual axis of rotation to the socket.

The stop portion has a through hole in the axial direction of the virtual rotating shaft, and the minimum distance from the virtual rotating shaft to the inner circumference of the through hole is smaller than the first length.

The perforations are capable of passing through the bolts.

The stopping portion extends from the inner circumferential surface of the socket hole to the virtual rotating shaft and closes a side of the socket hole adjacent to the rear end.

The bushing is provided with an opening extending from the outer circumferential surface of the bushing along a radial direction of the virtual rotating shaft to the sleeve hole, and a side of the stopping portion adjacent to the opening is provided with a communication groove, the communication groove In communication with the opening, a minimum distance from the virtual axis of rotation to an inner circumference of the opening is less than the first length.

This opening allows the bolt to pass through.

The bushing is provided with an opening extending from the outer peripheral surface of the bushing along the radial direction of the virtual rotating shaft to the sleeve hole, the stopping portion extending from the inner peripheral surface of the sleeve hole to the virtual rotating shaft And closing the side of the socket adjacent to the rear end.

The distance between the virtual rotating shaft and the dodge slot forms a second length, which is the maximum distance from the virtual rotating shaft to the socket hole.

The one side of the stop is connected to the sleeve hole and the other side is adjacent to the rear end.

The bushing is provided with a receiving edge along a radial outer peripheral surface of the virtual rotating shaft, the receiving edge includes a plurality of sides, a plurality of concave corners and a plurality of convex corners, and one of each of the plurality of sides The side is connected to one of the plurality of concave corners and the other side is connected to an adjacent one of the plurality of external convex corners.

Each of the plurality of socket portions corresponds to one of a plurality of outer lobes, and the plurality of evasive slots also correspond to one of the plurality of lobes, and the second end of the first segment The distance from the nearest outer convex angle among the plurality of outer convex corners forms a first thickness, and the first thickness is the maximum thickness of the socket hole to the receiving edge.

The second end of the second segment extends in a direction perpendicular to the wall surface to a distance of the receiving edge to form a second thickness, and the first end of the first segment extends in a direction perpendicular to the wall surface to a distance of the receiving edge to form a third a thickness, the third thickness being greater than the second thickness.

The number of the plurality of sockets and the number of the plurality of evasions are six, and any one of the six sockets includes the first segment, the second segment, and the class connection segment. One end of the segment is connected to one of the six doffer slots, and the second end of the second segment is connected to another of the six doffer slots, and the number of the plurality of outer lobe is twelve. Each of the six socket portions and the six flashing slots respectively correspond to twelve outer convex angles, and the second end of the first segment is closest to the twelve outer convex corners The distance of an outer lobe forms the first thickness.

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

The techniques, means, and effects of the present invention are described in the following description of the preferred embodiments and the accompanying drawings, which are for illustrative purposes only and are not limited by the structure.

1 and 2, a perspective view of a first embodiment of a bushing for disassembling a screw is shown. A sleeve hole 20 is formed in the inner circumference of the inner sleeve 10, and a stopper portion 30 is formed on the inner circumferential surface of the socket hole 20; wherein:

Please refer to FIG. 3 to FIG. 5 , which is a plan view and a cross-sectional structural view of the front end of the sleeve hole of the first embodiment of the bushing for the disassembled screw. The bushing 10 is provided with a front end 21 at one end in the axial direction of a virtual rotating shaft O and a rear end 22 at the other end of the dissimilar shaft. The sleeve hole 20 is axially adjacent to the virtual rotating shaft O. 21 extends in a direction toward the rear end 22, and the sleeve hole 20 can be sleeved with a screw. The sleeve hole 20 includes a plurality of sleeve portions 23 and a plurality of dosing grooves 24, each of the plurality of doffer slots 24 The doffer slots 24 are located between the adjacent two socket portions 23 of the plurality of socket portions 23 .

Each of the plurality of sockets 23 includes a first segment 231, a second segment 232, and a class connection segment 233. The first segment 231 includes a first end 234 and a second end 235. The second end 232 includes a first end 236 and a second end 237. The first end 234 of the first segment 231 is connected to one of the plurality of doffer slots 24, and the second end 235 of the first segment 231 The second end 237 of the second segment 232 is connected to the other two of the plurality of dosing slots 24, and the plurality of the first ends 236 of the second segment 232 are respectively located at the two ends of the second connecting portion 233. The dodging grooves 24 are each curved and have no problem of stress concentration.

The distance from the virtual axis of rotation O to the second end 235 of the first segment 231 forms a first length L1, which is the minimum distance from the virtual axis of rotation O to the socket hole 20.

The bushing 10 is provided with a receiving edge 25 on the outer peripheral surface of the virtual rotating shaft O in the radial direction. The receiving flange 25 can be sleeved by a wrench. The receiving edge 25 includes a plurality of sides 251, a plurality of concave corners 252 and a plurality of An outer lobe 253, one side of each of the plurality of sides 251 is connected to one of the plurality of recessed corners 252 and the other side of the different sides is adjacent to the adjacent one of the plurality of outer lobe 253 An outer convex angle 253, the number of the plurality of concave corners 252 is equal to the number of the plurality of convex corners 253, and the sum of the number of the plurality of concave corners 252 and the number of the plurality of convex angles 253 is equal to the plurality of The number of sides 251.

Each of the plurality of socket portions 233 corresponds to one of the plurality of outer lobes 253, and the plurality of evasive slots 24 also correspond to one of the plurality of lobes 253, the first segment The distance from the second end 235 of the 231 to the nearest outer convex corner 253 of the plurality of outer convex corners 253 forms a first thickness D1, and the first thickness D1 is the maximum thickness of the socket hole 20 to the receiving edge 25. The first thickness D1 can effectively increase the structural strength of the bushing 10 and prevent deformation of the bushing 10.

The number of the plurality of sockets 23 and the number of the plurality of the doffer slots 24 are all six in the embodiment, and any one of the six socket portions 23 includes the first segment 231 and the second portion. The first end 234 of the first segment 231 is connected to one of the six avoidance slots 24, and the second end 237 of the second segment 232 is connected to the six of the six doffer slots 24. Another dodging slot 24. The number of the plurality of bulging angles 253 is twelve in this embodiment, and each of the six socket portions 23 and the six evasing slots 24 respectively correspond to twelve outer lobes. 253. The distance from the second end 235 of the first segment 231 to the nearest outer convex corner 253 of the twelve outer convex corners 253 forms the first thickness D1.

The second end 237 of the second segment 232 extends along the direction of the vertical wall to the receiving edge 25 to form a second thickness D2. The first end 234 of the first segment 231 extends in the direction of the vertical wall to the receiving edge. The distance of 25 forms a third thickness D3 which is greater than the second thickness D2. In other words, the wall thickness between the first segment 231 and the receiving edge 25 is greater than the wall thickness between the second segment 232 and the receiving edge 25, so that the first segment 231 can effectively bear the force, and when the liner When the sleeve 10 is biased, the first segment 231 can be prevented from deforming and has better structural strength.

The stopping portion 30 extends from the inner circumferential surface of the sleeve hole 20 in the radial direction of the virtual rotation axis O toward the virtual rotation axis O, and the stopping portion 30 is located at the sleeve hole 20 and the rear end. In the present embodiment, the stop portion 30 is connected to the sleeve hole 20 on one side and the other opposite side is adjacent to the rear end 22, and the stop portion 30 is axially penetrated by the virtual rotation axis O. There is a perforation 31, and the minimum distance from the virtual rotation axis O to the inner circumference of the perforation 31 is smaller than the first length L1. The distance between the virtual rotation axis O and the dodging groove 24 forms a second length L2, which is the maximum distance from the virtual rotation axis O to the socket hole 20.

Please refer to FIG. 6 and FIG. 7 for a schematic view of the state of use of the first embodiment of the bushing for disassembling the screw. The bushing 10 can be used in combination with the plum wrench 90. The driving hole 91 of the torus wrench 90 has twelve concave occlusal faces 92 and twelve convex occlusal faces 93, and the driving holes 91 of the Phillips wrench 90 are sleeved. The receiving edge 25 of the bushing 10, the concave occlusal surface 92 of the Phillips wrench 90 corresponds to the lobes 253 outside the bushing 10, and the convex occlusal surface 93 of the Phillips wrench 90 corresponds to the concave angle of the bushing 10. 252, each of the occlusal surfaces can be engaged with the outer lobes 253 and the inner recessed corners 252, so the Phillips wrench 90 can surely drive the bushing 10 to rotate.

The rounding screw 94 is sleeved by the bushing 10, and when the toroidal wrench 90 is turned to disassemble the round screw 94, the second end 235 of the first segment 231 of the six socket portions 23 of the bushing 10 The six sides of the screw member 94 are engaged to form six occlusal points, and the six occlusal points are engaged with the round screw member 94, so that the bushing 10 is surely engaged with the round screw member 94, and the plum blossom is continuously turned The wrench 90 is used to smoothly disassemble the round screw 94.

In the process of disassembling the round screw member 94, the stopping portion 30 can block the rounding screw member 94, preventing the rounding screw member 94 from passing through the rear end 22 of the socket hole 20, and the bolt 95 can be stopped. The hole in the center of the stopper 30 is passed out, so that the bushing 10 can also be applied to the bolt 95 without affecting the applicability of the bushing 10. Further, the stopper portion 30 is also provided with a function of increasing the structural strength of the bushing 10.

8 and FIG. 9 is a perspective view and a cross-sectional structural view of a second embodiment of the bushing for disassembling the screw. The second embodiment of the present invention is substantially the same as the first embodiment. The main difference is that the stopper portion 30a extends from the inner circumferential surface of the sleeve hole 20a to the virtual rotation axis O and closes the sleeve hole 20a. One side of the end 22a.

10 and FIG. 11, a perspective view and a cross-sectional structural view of a third embodiment of the bushing for disassembling a screw according to the present invention. The third embodiment of the present invention is substantially the same as the first embodiment. The main difference is that the bushing 10b is provided with an opening 40b extending from the outer peripheral surface of the bushing 10b along the radial direction of the virtual rotary axis O to the a socket 20b, a side of the stopping portion 30b adjacent to the opening 40b is provided with a communication groove 32b, and the communication groove 32b communicates with the opening 40b, and the minimum distance from the virtual rotation axis O to the inner circumference of the opening 40b is smaller than The first length L1, the opening 40b is capable of passing a bolt.

12 and FIG. 13 are perspective views and cross-sectional structural views of a fourth embodiment of the bushing for disassembling a screw. The fourth embodiment of the present invention is substantially the same as the first embodiment. The main difference is that the bushing 10c is provided with an opening 40c extending from the outer peripheral surface of the bushing 10c in the radial direction of the virtual rotating shaft O to the The socket hole 20c extends from the inner circumferential surface of the socket hole 20c to the virtual rotation axis O and closes a side of the socket hole 20c adjacent to the rear end 22c.

As far as the above is concerned, it can be concluded that this creation has the following advantages:

1. The bushing of the present invention, wherein the bushing comprises a sleeve hole and a stop portion, the sleeve hole being located at an inner circumference of the bushing, the bushing being axially along a virtual axis of rotation One end is provided with a front end and the other end is provided with a rear end. The sleeve hole extends in the axial direction of the virtual rotating shaft from the front end toward the rear end, and the sleeve hole includes a plurality of sockets. And a plurality of dodging slots, each of the plurality of dodging slots is located between two adjacent sockets of the plurality of socket portions, and one of the plurality of socket portions includes one a first segment, a second segment and a class connection segment, the first segment comprising a first end and a second end, the second segment comprising a first end and a second end, the first segment The first end is connected to one of the plurality of doffer slots, and the second end of the first segment and the first end of the second segment are respectively located at two ends of the class connecting segment, and the second end of the second segment is connected Another one of the plurality of dodging slots, the stopping portion is disposed on an inner circumferential surface of the socket hole, The blocking portion extends from the inner circumferential surface of the socket hole in a radial direction of the virtual rotating shaft toward the virtual rotating shaft, and the stopping portion is located between the sleeve hole and the rear end, the bushing is The above structure can prevent the screw from being detached from the bushing during the turning, which is advantageous for the user to perform the turning operation.

However, the above description is only for the preferred embodiment of the present invention, and the scope of the present invention may not be limited thereto, so that the numerical value is changed or the replacement of the equivalent elements, or the equivalent of the patent application scope of the present invention. Changes and modifications should remain within the scope of this new patent.

10‧‧‧ bushing
20‧‧‧ socket
21‧‧‧ front end
22‧‧‧ Backend
23‧‧‧ Sockets
231‧‧‧ first paragraph
232‧‧‧second paragraph
233‧‧‧Class connection
234‧‧‧ first end
235‧‧‧ second end
236‧‧‧ first end
237‧‧‧ second end
24‧‧‧Dashing trough
25‧‧‧ 承缘
251‧‧‧
252‧‧‧ Inside corner
253‧‧‧Outer lobes
30‧‧‧stop
31‧‧‧Perforation
20a‧‧‧ socket
22a‧‧‧ Backend
30a‧‧‧stop
10b‧‧‧ bushing
20b‧‧‧ socket
30b‧‧‧stop
32b‧‧‧Connecting slot
40b‧‧‧ openings
10c‧‧‧ bushing
20c‧‧‧ socket
22c‧‧‧ backend
30c‧‧‧stop
40c‧‧‧ openings
90‧‧‧Meihua Wrench
91‧‧‧ drive hole
92‧‧‧ concave occlusal surface
93‧‧‧Outer convex occlusal surface
94‧‧‧ Round screw
95‧‧‧ bolt
O‧‧‧Virtual Rotary Axis
L1‧‧‧ first length
L2‧‧‧ second length
D1‧‧‧first thickness
D2‧‧‧second thickness
D3‧‧‧ third thickness

Figure 1 is a perspective view of the bushing of the disassembled screw of the present invention. Figure 2: A perspective view of another perspective view of the bushing of the disassembled screw of the present invention. Figure 3: The plan view of the front end of the bushing socket of the original disassembly screw. Fig. 4 is a partially enlarged plan view showing the front end of the bushing socket of the original disassembling screw. Figure 5 is a cross-sectional structural view of the bushing of the disassembled screw of the present invention. Figure 6 is a schematic view showing the state of use of the bushing of the disassembled screw of the present invention. Figure 7 is a schematic view showing the state of use of the bushing of the disassembled screw of the present invention. Figure 8 is a perspective view showing the second embodiment of the bushing of the disassembling screw of the present invention. Figure 9 is a cross-sectional structural view showing a second embodiment of the bushing for the disassembled screw of the present invention. Fig. 10 is a perspective view showing the third embodiment of the bushing of the disassembled screw of the present invention. Figure 11 is a cross-sectional structural view showing a third embodiment of the bushing of the present invention. Figure 12 is a perspective view showing the fourth embodiment of the bushing of the disassembled screw of the present invention. Figure 13 is a cross-sectional structural view showing a fourth embodiment of the bushing for the disassembled screw of the present invention.

Claims (14)

A bushing for removing a screw member, comprising: a socket hole located at an inner circumference of the bushing, the bushing is provided with a front end at an axial end of a virtual rotating shaft and is different The other end is provided with a rear end. The sleeve hole extends in the axial direction of the virtual rotating shaft from the front end toward the rear end. The sleeve hole includes a plurality of socket portions and a plurality of dodging slots, and the plurality of socket holes Each of the plurality of sleeving slots is located between two adjacent sockets of the plurality of socket portions, and each of the plurality of socket portions includes a first segment, a second segment and a a first connecting section comprising a first end and a second end, the second section comprising a first end and a second end, the first end of the first section being connected to the plurality of dozers One of the first ends of the first segment and the first end of the second segment are respectively located at two ends of the class connecting segment, and the second end of the second segment is connected to another dodging of the plurality of dodging slots a stop portion, the stop portion is disposed on an inner circumferential surface of the sleeve hole, and the stop portion is The extending direction of the inner peripheral surface of the socket hole along the virtual axis of rotation radially inward near the virtual axis of rotation, and the stopper portion is located between the hole and the rear end of the socket. The bushing of the disassembling screw of claim 1, wherein the distance from the virtual rotating shaft to the second end of the first segment forms a first length, the first length being the virtual rotating shaft to the socket hole shortest distance. The bushing of the disassembling screw of claim 2, wherein the stopping portion of the virtual rotating shaft is axially provided with a through hole, and the minimum distance of the virtual rotating shaft to the inner circumference of the perforating is smaller than the first length. A bushing for removing a screw member according to claim 3, wherein the through hole is capable of passing a bolt. A bushing for removing a screw member according to claim 2, wherein the stopping portion extends from an inner circumferential surface of the socket hole to the virtual rotating shaft and closes a side of the socket hole adjacent to the rear end. The bushing for removing a screw according to claim 2, wherein the bushing is provided with an opening extending from the outer peripheral surface of the bushing along a radial direction of the virtual rotating shaft to the sleeve hole, the stopping portion A communication groove is disposed on a side adjacent to the opening, and the communication groove is in communication with the opening, and a minimum distance from the virtual rotation axis to an inner circumference of the opening is smaller than the first length. A bushing for removing a screw member according to claim 6, wherein the opening is capable of passing a bolt. The bushing for removing a screw according to claim 2, wherein the bushing is provided with an opening extending from the outer peripheral surface of the bushing along a radial direction of the virtual rotating shaft to the sleeve hole, the stopping portion An inner circumferential surface of the socket extends to the virtual rotation axis and closes a side of the socket adjacent to the rear end. The bushing of the disassembling screw according to claim 2, wherein a distance between the virtual rotating shaft and the dodging groove forms a second length, and the second length is a maximum distance from the virtual rotating shaft to the socket hole. . A bushing for removing a screw member according to any one of claims 1 to 9, wherein the one side of the stop portion is connected to the socket hole and the other side is adjacent to the rear end. A bushing for removing a screw according to claim 10, wherein the bushing is provided with a receiving edge along a radial outer peripheral surface of the virtual rotating shaft, the receiving edge comprising a plurality of sides, a plurality of concave corners and a plurality of outer edges a lobe, one side of each of the plurality of sides connecting one of the plurality of concave corners and the other side of the different one of the plurality of outer convex corners connecting an adjacent one of the plurality of outer convex corners. The bushing for removing a screw according to claim 11, wherein each of the plurality of socket portions corresponds to one of a plurality of outer lobes, and the plurality of evasive slots correspond to a plurality of outer lobes. One of the lobes, the distance from the second end of the first segment to the nearest one of the plurality of lobes forming a first thickness, the first thickness being the socket to the rim Maximum thickness. The bushing for removing a screw member according to claim 12, wherein the second end of the second segment extends in a direction perpendicular to the wall surface to a distance of the receiving edge to form a second thickness, the first end edge of the first segment The direction of the vertical wall extending to the receiving edge forms a third thickness, the third thickness being greater than the second thickness. The bushing for removing a screw according to claim 13, wherein the number of the plurality of socket portions and the number of the plurality of flashing grooves are six, and any one of the six socket portions includes the first a first segment, the second segment and the class connecting segment, the first end of the first segment is connected to one of the six doffering slots, and the second end of the second segment is connected to the other of the six dodging slots The number of the plurality of bulging angles is twelve, and each of the six socket portions and the six evasive slots respectively correspond to twelve outer lobes, and the first segment The distance from the second end to the nearest one of the twelve outer lobes forms the first thickness.