TW202031428A - Removal device - Google Patents

Abstract

The present invention provides a removal device comprising a body, a covering cavity, at least two receiving portions and at least one nick. The body includes a top surface and a bottom surface. The covering cavity with a lateral is recessed from the top surface into the body, and the covering cavity forms an opening on the top surface. The receiving portion is recessed into the lateral of the covering cavity, and each of the receiving portions extends from the opening toward the bottom surface. There is a ridge line formed between two adjacent receiving portions, and the distance between the ridge line and the axis is tapered from the opening to the bottom surface. The nick locates at the ridge line and cuts into the ridge line to forms at least one cutting plane. At least one acute corner is formed at the junction of the cutting plane and the ridge line. The removal device can cut into a fastener such as a nut or bolt to avoid slippage.

Description

Disassembly tool

This creation is about a disassembly tool, especially a disassembly tool used to disassemble fasteners such as nuts or bolts.

With the development of manufacturing industry and the prevalence of handmade DIY furniture, fasteners such as nuts or bolts are often used to lock objects. Because of their convenience and reusability, fasteners have obviously become indispensable in human life. . The removal tool is used for socketing fasteners such as nuts or bolts to rotate and remove the fasteners. The conventional removal tool, such as the removal tool 5 in Figure 1 of the US6076436 patent, contains hexagonal holes to socket the fasteners and uses hexagonal holes. The hole has a fastener with a corresponding hexagonal shape. Therefore, when the removal tool rotates, it can drive the fastener to rotate and remove the fastener. The other side of the removal tool contains a four-corner hole to set the wrench, pneumatic or electric tool. Drive the head. However, after long-term use, the surface of the fastener may be worn and have rounded corners, resulting in the failure of tight engagement between the hexagonal hole of the disassembly tool and the fastener, resulting in slipping during disassembly and increasing the difficulty of disassembly.

One of the purposes of this creation is to provide a disassembly tool that can be inserted into fasteners such as snap nuts or bolts to avoid slipping during the disassembly process. Even if the fasteners are worn, they can still be effectively embedded into the snap fasteners.

In order to achieve the above objective, the present invention provides a disassembly tool, which includes a main body, a covering groove, at least two accommodating parts, and at least one engaging interface. The body has a top surface and a bottom surface, the covering groove is recessed into the body from the top surface along an axis line, the covering groove has a side surface, the covering groove forms an opening on the top surface, the two The accommodating portion is recessed into the side surface of the covering groove, each accommodating portion extends from the opening toward the bottom surface, the two accommodating portions are adjacent to each other, and a sharp shape is formed between the two adjacent accommodating portions The distance between the ridge line and the axis line is tapered from the opening to the bottom surface, the biting interface is located on the ridge line, the biting interface cuts into the ridge line to form at least a cut surface, and the cut surface At least one sharp corner is formed at the junction with the ridge line.

In some cases, the accommodating portion is an arc-shaped or ㄑ-shaped groove.

In some cases, the number of the accommodating parts is six, and when viewed from the top surface, the six accommodating parts are plum-shaped or hexagonal.

In some cases, the ridge line is coplanar with the axis line.

In some cases, the ridge line extends spirally around the axis line.

In some cases, the covering groove tapers toward the bottom surface.

In some cases, the engaging interface is adjacent to the opening, the cut surface is connected between the ridge line and the opening, and the cut surface is a flat triangle or a curved triangle.

In some cases, the engaging interface cuts off the ridge line to have a two-cut surface, and the two-cut surface is a flat triangle or a curved triangle.

In some cases, the body further has a driving part, and the driving part has a shaft hole.

In some cases, the shaft hole is a four-corner hole.

As a result, the disassembly tool provided by this creation, because the distance between the ridge line and the axis line is tapered from the opening to the bottom surface, during the disassembly process, the ridge line can be inserted into the bite nut or bolt. The fasteners and the sharp corners of the biting interface can be further embedded in the fasteners to achieve a more stable occlusal effect. Even if the worn fasteners are removed, the removal tool of this creation can occlude tightly and not slip easily.

In addition, when the biting port in this creation is adjacent to the opening, the biting port can be used to slide over and lead into the edge of the fastener, which will make the opening and the covering groove easier to align and nest the fastener, and improve the experience of use.

This creation provides a disassembly tool that can be sleeved and embedded in fasteners such as nuts or bolts, so that the disassembly process is not easy to slip.

For the first embodiment of this creation, please refer to FIGS. 1 to 6. This embodiment includes a main body 10, a covering groove 20, a receiving portion 30 and a biting interface 40.

The main body 10 has a top surface 11, a bottom surface 12 and a driving part 13. The driving part 13 has a shaft hole 131, and the shaft hole 131 can house a wrench, a driving head of a pneumatic or electric tool. In this embodiment, the driving part 13 is cylindrical, and the shaft hole 131 is a square hole. In the embodiment, the driving part can be changed to a square column, a hexagonal column or other cylinders, and the shaft hole can be changed to a hexagonal hole or other non-circular holes. In addition, the body may not have a driving part and can be installed in the opening of the wrench. , Or the body is integrally formed into a wrench, as long as it can retain the function of removing the fasteners, this creation is not limited to this.

The covering groove 20 is recessed into the main body 10 along an axis line from the top surface 11. The covering groove 20 has a side surface 21. The covering groove 20 forms an opening 22 on the top surface 11, and the covering groove 20 is tapered toward the bottom surface 12.

The receiving portion 30 is recessed into the side surface 21 of the covering groove 20, and the receiving portion 30 extends from the opening 22 toward the bottom surface 12. The number of accommodating parts 30 is at least two. In this embodiment, the number of accommodating parts 30 is six, and the number can be adjusted according to actual needs. This creation does not limit this. The accommodating portions 30 are adjacent to each other and a sharp ridge line 31 is formed between the two adjacent accommodating portions 30. The distance between the ridge line 31 and the axis line is tapered from the opening 22 to the bottom surface 12, and the ridge The wire 31 spirally extends around the axis line. Each accommodating portion 30 is arc-shaped, as viewed from the top surface 11, the six accommodating portions 30 are plum-shaped. It is worth mentioning that the opening shape formed by two adjacent accommodating portions 30 and the ridge line 31 , It may be changed according to the size of each accommodating part 30, so that the shape or angle between two adjacent accommodating parts is changed, but such a shape change can still be regarded as a plum blossom shape.

The biting ports 40, 40' are located on the ridge line 31, and the biting ports 40, 40' are cut into the ridge line 31 to form cut surfaces 41, 41'. The intersections of the cut surfaces 41, 41' and the ridge line 31 form sharp bends 411, 411'. In this embodiment, the cutting surfaces 41, 41' are plane triangles. However, in other embodiments of the invention, the cutting surfaces 41, 41' can also be curved triangles. The invention is not limited to this. The meshing interface of this embodiment The number of 40 and 40' is twelve, of which six engaging interfaces 40 are located on each ridgeline 31 and adjacent to the opening 22, and are respectively connected between the ridgeline 31 and the opening 22, and the six engaging interfaces 40 are cut into each The ridgeline 31 forms an outwardly inclined section 41, and the other six engagement interfaces 40' are located at each ridgeline 31 and cut off the ridgeline 31. Each of the six engagement interfaces 40' has a two-section 41' and a two-section 41'. One side overlaps, and the two cut surfaces 41' form an included angle.

When performing the fastener disassembly project, put the square drive head of a wrench, pneumatic or electric tool into the shaft hole 131 of the driving part 13, and then cover the covering groove 20 of the disassembly tool to the fastener such as nut or bolt, adjacent to the opening The engaging interface 40 of 22 has an outwardly inclined cut surface 41 to facilitate socketing, and the accommodating portion 30 with an arc-shaped concave surface can further accommodate fasteners. Since the distance between the ridge line 31 and the axis line is tapered from the opening 22 to the bottom surface 12, the sharp ridge line 31 can be inserted into the occlusal fastener, and the biting interface 40, 40' has sharp bends 411, 411' to be further inserted into the occlusal Fasteners, therefore, the fasteners can be quickly taken out and not easy to slip when rotating and removing the fasteners.

Please continue to refer to Figures 7 to 11, the disassembly tool of the second embodiment of this creation is roughly the same as the first embodiment shown in Figures 1 to 6, roughly using the same component symbols as the first embodiment of this creation, except for the content The setting portion 50 is a ㄑ-shaped groove, the ridge line 51 is coplanar with the axis of the covering groove, the engaging interface 60 adjacent to the opening is cut into the ridge line 51 to form a triangular section 61, and the engaging interface 60' of the ridge line 51 is cut off It is triangular column shape. Viewed from the top surface 11, the six accommodating parts 50 of the disassembly tool of the second embodiment of the creation are hexagonal. It should be noted that because there are ridges 51 between two adjacent accommodating parts 50, the six The number of sides or corners formed by the accommodating portion 50 is actually greater than six. Here, the appearance change caused by the ridge line 51 is ignored, so the overall shape can still be regarded as a hexagon. In this embodiment, the engaging interface 60' of the truncated ridge line 51 is in the shape of a triangular column and has two plane triangular cut surfaces 61'. The junctions of the cut surfaces 61, 61' and the ridge line 51 form sharp bends 611, 611', and It has a bite function similar to the above-mentioned embodiment.

Please continue to refer to Figure 12. The disassembly tool of the third embodiment of this creation is roughly the same as the second embodiment shown in Figures 7 to 11, and roughly uses the same component symbols as the second embodiment of this creation, except for the third embodiment. The shape of the biting interface 60 of the embodiment is similar to that of the biting interface 60', and the number of plane triangular sections of the biting interface 60 is one. The interface between the cut surface of the biting ports 60, 60' and the ridge line 51 forms a sharp bend, and has a bite function similar to the above-mentioned embodiment.

Please refer to Figure 13 again. The disassembly tool of the fourth embodiment of this creation is roughly the same as the first embodiment shown in Figures 1 to 6, roughly using the same component symbols as the first embodiment of this creation, except that the accommodating part The number of 30 is two, a ridge line 31 is formed between two adjacent accommodating portions 30, the cut surface of the engaging interface 40 is a curved triangle, and the cut surface of the engaging interface 40' is a curved surface with two bends. The sharp ridge line 31 can be inserted into the occlusal fastener, and the biting ports 40, 40' have sharp corners to be further embedded into the occlusal fastener, and have an occlusal function similar to the foregoing embodiment.

In the above embodiment, the covering groove is tapered toward the bottom surface, and the distance between the ridge line and the axis line is tapered from the opening to the bottom surface. However, in other embodiments of the present invention, the covering groove may also maintain the same diameter As long as the distance between the ridge line and the axis line is tapered from the opening to the bottom surface, the ridge line can still be embedded in the fastener to have a similar bite function.

In summary, the removal tool of this creation can avoid slipping when removing fasteners. During the removal process, the ridge line can be inserted into the fasteners such as bite nuts or bolts, and the biting interface has a sharp bend angle for further insertion. The fastener achieves a more stable bite effect. Since the distance between the ridge line and the axis line is tapered from the opening to the bottom surface, even if the worn fasteners are removed, the removal tool of this creation can tightly bite the fasteners without slipping. However, the above embodiments are only to illustrate and illustrate the technical content of this creation, and the patent scope of this patent shall prevail in the scope of the patent application described later.

10: body 11: top surface 12: Bottom 13: Drive 131: Shaft hole 20: Cover groove 21: side 22: opening 30: accommodating part 31: Ridge 40, 40’: biting interface 41, 41’: cut surface 411, 411’: sharp corners 50: accommodating part 51: Ridge 60, 60’: biting interface 61, 61’: cut surface 611, 611’: sharp corners

Figure 1 is a perspective view of the first embodiment of the authoring disassembly tool. Figure 2 is a partial enlarged view of Figure 1 (1). Figure 3 is a partial enlarged view of Figure 1 (2). Figure 4 is a side view of the first embodiment of the creative disassembly tool. Figure 5 is a top view of the first embodiment of the creative disassembly tool. Figure 6 is a cross-sectional view of the first embodiment of the creative disassembly tool. Figure 7 is a perspective view of the second embodiment of the authoring disassembly tool. Figure 8 is a partial enlarged view of Figure 7 (1). Figure 9 is a partial enlarged view of Figure 7 (2). Figure 10 is a top view of the second embodiment of the creative disassembly tool. Figure 11 is a cross-sectional view of the second embodiment of the creative disassembly tool. Figure 12 is a perspective view of the third embodiment of the authoring disassembly tool. Figure 13 is a perspective view of the fourth embodiment of the authoring disassembly tool.

10: body

11: top surface

12: Bottom

13: Drive

131: Shaft hole

20: Cover groove

21: side

22: opening

30: accommodating part

31: Ridge

40, 40’: biting interface

Claims (10)

A disassembly tool including: A body having a top surface and a bottom surface; A set of covering grooves, which are recessed into the body from the top surface along an axis line, the covering groove has a side surface, and the covering groove forms an opening on the top surface; At least two accommodating portions, the two accommodating portions are recessed into the side surface of the covering groove, each accommodating portion extends from the opening toward the bottom surface, and the two accommodating portions are adjacent to each other and are adjacent to each other A sharp ridge line is formed between the accommodating parts, and the distance between the ridge line and the axis line is tapered from the opening to the bottom surface; At least one biting interface is located on the ridge line, the biting interface cuts into the ridge line to form at least a cut surface, and the intersection of the cut surface and the ridge line forms at least one sharp bend. For the disassembly tool described in item 1 of the scope of patent application, the accommodating part is an arc-shaped or ㄑ-shaped groove. For the disassembly tool described in item 2 of the scope of patent application, the number of the accommodating parts is six, and when viewed from the top surface, the six accommodating parts are in a plum blossom or hexagonal shape. The disassembly tool described in item 1 of the scope of patent application, wherein the ridge line and the axis line are coplanar. The disassembly tool described in item 1 of the scope of patent application, wherein the ridge line spirally extends around the axis line. The disassembly tool described in item 1 of the scope of patent application, wherein the covering groove is tapered toward the bottom surface. According to the disassembly tool described in item 1 of the scope of patent application, wherein the engaging interface is adjacent to the opening, the cut surface is connected between the ridge line and the opening, and the cut surface is a flat triangle or a curved triangle. The disassembly tool described in item 1 or 7 of the scope of patent application, wherein the engaging interface cuts off the ridge line to have a two-cut surface, and the two-cut surface is a flat triangle or a curved triangle. For the disassembly tool described in item 1 of the scope of patent application, the main body further has a driving part, and the driving part has a shaft hole. For the disassembly tool described in item 9 of the scope of patent application, the shaft hole is a four-corner hole.

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