TWI683725B - 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

Removal tool

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

With the development of manufacturing and the prevalence of handmade DIY furniture, fasteners such as nuts or bolts are often used to lock items. Because of their convenience and reusability, fasteners have obviously become an indispensable existence in human life. . The disassembly tool is used to insert fasteners such as nuts or bolts to turn and remove fasteners. Conventional disassembly tools, such as the disassembly tool 5 of Figure 1 of US6076436 patent, include hexagonal holes to sleeve fasteners and use hex The hole engagement has a fastener corresponding to the hexagonal shape. Therefore, when the removal tool rotates, the fastener can be rotated to remove the fastener, and the other side of the removal tool includes a four-corner hole to cover the wrench, pneumatic or electric tool. Drive head. However, after long-term use, the surface of the fastener may have worn out and have rounded corners. As a result, the hexagonal hole of the removal tool and the fastener cannot be tightly engaged, resulting in easy slipping during removal and increasing the difficulty of removal.

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

In order to achieve the above object, the present invention provides a disassembly tool. The disassembly tool includes a body, a covering groove, at least two accommodating portions, and at least one biting interface. The body has a top surface and a bottom surface, and the sleeve coating groove is recessed into the body from the top surface along an axis line. The sleeve coating groove has a side surface. The sleeve coating groove forms an opening on the top surface. The accommodating portion is recessed into the side surface of the sleeve, each accommodating portion extends from the opening toward the bottom surface, the two accommodating portions are adjacent to each other and a sharp is formed between the two adjacent accommodating portions The ridge line, the distance between the ridge line and the axis line is tapered from the opening to the bottom surface, the bite interface is located on the ridge line, the bite interface is cut into the ridge line to form at least all faces, 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 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 spirally extends around the axis line.

In some cases, the sleeve groove is tapered toward the bottom surface.

In some cases, the bite interface is adjacent to the opening, the tangent plane is connected between the ridge line and the opening, and the tangent plane is a plane triangle or a curved triangle.

In some cases, the bite interface intercepts the ridge line to have a bi-tangent plane, and the bi-tangent plane is a plane 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 square hole.

In this way, because the disassembly tool provided by this creation, 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 etc. Firmware, and the sharp angle of the engagement interface can be further embedded in the fastener to achieve a more stable bite effect. Even if the worn fastener is removed, the disassembly tool of this creation can be tightly engaged and not easy to slip.

In addition, when the bite interface in this creation is adjacent to the opening, the bite interface can be used to slide over and introduce the edge of the fastener, which will make the opening and the cover groove easier to align, fit the fastener, and improve the use experience.

This creation provides a disassembly tool that can sleeve and embed fasteners such as nuts or bolts, making the disassembly process less slippery.

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

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

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

The accommodating portion 30 is recessed into the side surface 21 of the covering groove 20, and the accommodating portion 30 extends from the opening 22 toward the bottom surface 12. The number of the accommodating parts 30 is at least two. In this embodiment, the number of the accommodating parts 30 is six, and the number can be adjusted according to actual needs. This creation does not limit this. Each accommodating portion 30 is adjacent to each other and a sharp ridge line 31 is formed between 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 extends spirally around the axis line. Each accommodating portion 30 is arc-shaped, 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 , May vary with the size of the respective receiving portion 30, so that the shape or angle between two adjacent receiving portions changes, but this shape change can still be regarded as a plum shape.

The bite joints 40, 40' are located on the ridge line 31. The bite joints 40, 40' cut into the ridge line 31 to form cut surfaces 41, 41', and the intersections of the cut surfaces 41, 41' and the ridge line 31 form sharp corners 411, 411'. In this embodiment, the cutting planes 41, 41' are plane triangles. However, in other embodiments of this creation, the cutting planes 41, 41' may also be curved triangles, which is not limited to this creation. The number of 40 and 40' is twelve, six of which are located at each ridge line 31 and adjacent to the opening 22, and are connected between the ridge line 31 and the opening 22, respectively The ridge line 31 forms an outwardly inclined cut surface 41, and the other six bite interfaces 40' are located at each ridge line 31 and cut off the ridge line 31 respectively. The six bite interfaces 40' each have two cut surfaces 41' and two cut surfaces 41' One side overlaps, and the two cut surfaces 41' form an angle.

When performing fastener disassembly, place the square drive head of a wrench, pneumatic or electric tool into the shaft hole 131 of the drive part 13, and then sleeve the cover slot 20 of the removal tool to the nut or bolt and other fasteners, adjacent to the opening The engagement interface 40 of 22 has an outwardly inclined cut surface 41 to facilitate nesting, 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 toward the bottom surface 12, the sharp ridge line 31 can be embedded in the occlusal fastener, and the engagement interfaces 40, 40' have sharp corners 411, 411' can be further embedded in the occlusal Fasteners, therefore, the fasteners can be quickly taken out and not easy to slip when rotating to remove the fasteners.

Please continue to refer to Figures 7 to 11, the disassembly tool of the second embodiment of this creation is substantially the same as the first embodiment shown in Figures 1 to 6, and the same component symbols as the first embodiment of this creation are generally used, but the content The placement portion 50 is a ㄑ-shaped groove, the ridge line 51 is coplanar with the axis line of the covering groove, the bite interface 60 adjacent to the opening is cut into the ridge line 51 to form a triangular cut surface 61, and the bite interface 60' of the ridge line 51 is cut off It is triangular shaped. Viewed from the top surface 11, the six accommodating portions 50 of the disassembly tool of the second embodiment of the present invention are hexagonal. It should be noted that since two adjacent accommodating portions 50 have ridges 51 between them, the six The number of sides or corners formed by the accommodating portion 50 is actually greater than six, and the appearance change caused by the ridge line 51 is ignored here, so the overall shape can still be regarded as a hexagon. In this embodiment, the engagement 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 intersection between the cut surfaces 61, 61' and the ridge line 51 forms sharp angles 611, 611', and It has a bite function similar to the above embodiment.

Please continue to refer to FIG. 12, the disassembly tool of the third embodiment of this creation is substantially the same as the second embodiment shown in FIGS. 7 to 11, and the same component symbols as the second embodiment of this creation are used, but the third The shape of the engaging interface 60 of the embodiment is similar to that of the engaging interface 60', and the number of planar triangular cut surfaces of the engaging interface 60 is one. The intersection of the tangent planes of the intermeshing interfaces 60, 60' and the ridge line 51 forms a sharp fold angle, and has a bite function similar to that of the above embodiment.

Please refer to FIG. 13 again. The disassembly tool of the fourth embodiment of this creation is substantially the same as the first embodiment shown in FIGS. 1 to 6, and the same component symbols as the first embodiment of this creation are used, but the accommodating part The number of 30 is two, a ridge line 31 is formed between two adjacent accommodating portions 30, the cutting plane of the engagement interface 40 is a curved triangle, and the cutting plane of the engagement interface 40' is a curved surface with a bifold angle. The sharp ridge line 31 can be embedded in the bite fastener, and the bite interfaces 40, 40' have sharp corners to further insert the bite fastener, and have a bite function similar to the above embodiment.

In the above embodiment, the covering groove tapers toward the bottom surface, and the distance between the ridge line and the axis line tapers from the opening to the bottom surface. However, in other embodiments of the present invention, the covering groove can also maintain the same aperture 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 and has a similar biting function.

In summary, the disassembly tool of this creation can avoid slipping during the removal of fasteners. During the disassembly process, the ridge line can be embedded in fasteners such as bite nuts or bolts, and the sharp angle of the bite interface can be further inserted tightly The fastener can achieve a more stable bite effect. Since the distance between the ridge line and the axis line is gradually reduced from the opening to the bottom surface, even if the worn fastener is removed, the disassembly tool of this creation can closely engage the fastener without slipping. However, the above embodiments are only for explaining and elaborating the technical content of this creation, and the patent scope of this patent shall be subject to the patent application scope described later.

10‧‧‧Body 11‧‧‧Top 12‧‧‧Bottom 13‧‧‧Drive Department 131‧‧‧shaft hole 20‧‧‧set cover 21‧‧‧Side 22‧‧‧ opening 30‧‧‧Accommodation Department 31‧‧‧ridge 40、40’‧‧‧biting interface 41、41’‧‧‧Section 411, 411’‧‧‧Sharp angle 50‧‧‧Accommodation Department 51‧‧‧ridge 60、60’‧‧‧biting interface 61, 61’‧‧‧ Cut 611, 611’‧‧‧Sharp angle

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

10‧‧‧Body

11‧‧‧Top

12‧‧‧Bottom

13‧‧‧Drive Department

131‧‧‧shaft hole

20‧‧‧set cover

21‧‧‧Side

22‧‧‧ opening

30‧‧‧Accommodation Department

31‧‧‧ridge

40、40’‧‧‧biting interface

Claims (10)

A disassembly tool, including: A body with a top surface and a bottom surface; A set of coating grooves, which are recessed into the body from the top surface along an axis line, the cover coating grooves have a side surface, and the cover coating grooves form an opening on the top surface; At least two accommodating portions, the two accommodating portions are recessed into the side surface of the sleeve, each accommodating portion extends from the opening toward the bottom surface, the two accommodating portions are adjacent to each other and the two adjacent ones A sharp ridge line is formed between the accommodating portions, and the distance between the ridge line and the axis line gradually decreases from the opening to the bottom surface; At least one bite interface, the bite interface is located on the ridge line, the bite interface is cut into the ridge line to form at least all surfaces, and the boundary between the tangent surface and the ridge line forms at least one sharp angle. The disassembly tool as described in item 1 of the patent application scope, wherein the accommodating portion is an arc-shaped or ㄑ-shaped groove. The disassembly tool as described in item 2 of the patent application scope, wherein the number of the accommodating parts is six, and viewed from the top surface, the six accommodating parts are plum-shaped or hexagonal. The disassembly tool as described in item 1 of the patent application scope, wherein the ridge line is coplanar with the axis line. The disassembly tool as described in item 1 of the patent application scope, wherein the ridge line spirally extends around the axis line. The disassembly tool as described in item 1 of the scope of the patent application, wherein the set of grooves tapers toward the bottom surface. The disassembly tool as described in item 1 of the patent application scope, wherein the engagement interface is adjacent to the opening, the cutting plane is connected between the ridge line and the opening, and the cutting plane is a plane triangle or a curved triangle. The disassembly tool as described in item 1 or 7 of the patent application scope, wherein the bite interface intercepts the ridge line to have a two-sided plane, and the two-sided plane is a plane triangle or a curved triangle. The disassembly tool as described in item 1 of the patent application scope, wherein the body further has a driving part, and the driving part has a shaft hole. The disassembly tool as described in item 9 of the patent application scope, wherein the shaft hole is a four-corner hole.

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