JP3210799U - Hand tool rotating part - Google Patents

Abstract

There is provided a structure of a hand tool rotating unit that rotates and fastens a hexagonal screwed part that can be loosened even when a corner is rounded without making a meshing mark on a side surface. An annular sleeve portion 11 of a main body 10 is provided, and three first drive portions 12 and three second drive portions 13 and three first storage recess portions 14 and three are provided on the inner peripheral surface of the sleeve portion. Two second storage recesses 15 are provided, and a first drive unit and a second drive unit are provided on both sides of each first storage recess, and these are connected to the two second storage recesses. When the screw part is fitted to the sleeve part and the tool is fastened clockwise, the first surface 122 of the first drive part becomes a point of contact with the side of the screw part, and when the tool is loosened counterclockwise Even when the third surface 132 of the two driving parts comes into surface contact and acts as a force point and wears and the corners are rounded, the acute-angled first acting part 121 located at the center of the first driving part is By biting into the side, the rotational force can be applied and loosened. [Selection] Figure 2

Description

  The present invention relates to a structure of a hand tool rotating portion, and more particularly to a technique of a hand tool that is driven on a tool or a screwed part.

  In the prior art hand tool rotating part, Taiwan Patent Application No. 089206331, a hexagonal tank of a screwed part to be installed using a sleeve 20 is constituted by a large convex arc surface 22 and a small concave arc surface 21. A plurality of forward inclined teeth 23 and inverted inclined teeth 24 are provided on the large convex arc surface 22 alternately and annularly. The large convex arc surface 22 forms a chamfered slope 25. However, the disadvantages are: When the forward oblique teeth 23 and the reverse oblique teeth 24 bite the hexagonal circumferential surface 31 of the threaded component 30 during rotation, both the forward oblique teeth 23 and the reverse oblique teeth 24 exhibit an acute angle and are screwed together. The hexagonal circumferential surface 31 of the component 30 is easily marked.

  In addition, the first end angle 23 and the second end angle 32 of the progressive wrench of Taiwan Patent Application No. 105205070 exhibit acute angles. Such a structure is similar to the forward inclined teeth 23 and the inverted inclined teeth 24 of the application proposal 089206331, and the hexagonal circumferential surface 31 of the threaded component 30 is easily marked.

  In addition, the cannula for preventing the nut head of US Patent Application No. 2006/0117917 from being damaged is shown in FIGS. 6 and 7 when the cannula 20 and the nut head 40 are engaged with each other. The inclined protrusion 24 of the occlusal hole 22 is latched at the central portion of each side of the nut head 40 to rotate the nut head 40. However, since the inclined protrusion 24 has an acute angle, the rotating force of the inclined protrusion 24 is relatively insufficient, and leaves a mesh mark on the nut head 40. In view of the above prior art, further improvements were necessary.

JP-A-2005-59202

  The main object of the present invention is to provide a structure of a hand tool rotating unit that improves the state in which a meshing mark remains on the side surface of a tool or screwed part during driving of the prior art.

  In order to solve the above-described problems, the present invention provides a structure of a hand tool rotating unit that does not cause a meshing mark on a side surface of a tool or a screwed part during driving as in the prior art. The main body is provided with an annular sleeve portion, three first drive portions and three second drive portions arranged alternately and annularly on the inner periphery of the sleeve portion, and three first storage recesses alternately arranged annularly And three second storage recesses. There are a first drive part and a second drive part on both sides of each first storage recess, respectively, which are connected to the two second storage recesses so that the engagement part is driven by a tool. be able to.

  Compared with the effects of the prior art: the body can tighten the threaded part clockwise and loosen the threaded part counterclockwise. When the screwed parts are loosened in the counterclockwise direction, the three first action portions only assist the power point, and do not make any meshing marks on the side surfaces of the screwed parts. When the corners of the threaded parts are worn round, the three first working parts effectively mesh the three sides of the threaded parts to rotate the threaded parts, and the general rotation method and the corners are rounded. Combines the effect of rotating screwed parts.

  According to the structure of the present invention, the main body can tighten the screwed part clockwise and loosen the screwed part counterclockwise. When the screwed parts are loosened in the counterclockwise direction, the three first action portions only assist the power point, and do not make any meshing marks on the side surfaces of the screwed parts.

It is a three-dimensional view of the hand tool rotating part of the present invention. It is a front view of the hand tool rotation part of this invention. FIG. 3 is an enlarged view of a portion A in FIG. 2. It is a front view of the 1st operation state which covers the hexagonal screwing component of this invention. It is a front view of the 2nd operation state which covers the hexagonal screwing component of this invention. It is a front view of the 3rd operation state which covers the hexagonal screwing component of this invention. It is a three-dimensional view of the second embodiment of the present invention. It is a three-dimensional view of the third embodiment of the present invention. It is a three-dimensional view of the fourth embodiment of the present invention. It is a front view of 5th Example of this invention. It is an enlarged view of A part of FIG. It is a front view of 6th Example of this invention. It is a three-dimensional view of the seventh embodiment of the present invention. It is a three-dimensional view of the eighth embodiment of the present invention. It is a three-dimensional view of the ninth embodiment of the present invention. It is a three-dimensional view of a tenth embodiment of the present invention. It is a top view of 10th Example of this invention. It is sectional drawing of the AA part of FIG. It is a three-dimensional view of the eleventh embodiment of the present invention.

Hereinafter, the structure, features, and effects of the present invention will be described in detail with reference to the drawings of the best embodiment.

  As shown in FIGS. 1 to 3, a main body 10 is included in the rotating part of the hand tool of the present invention. The main body 10 is provided with an annular sleeve 11, and is arranged in an annular shape alternately on the inner periphery of the sleeve 11, and protrudes three first drive parts 12 and three second drive parts 13, and alternately annularly. Three first storage recesses 14 and three second storage recesses 15 to be arranged are formed. There are a first drive unit 12 and a second drive unit 13 on both sides of each first storage recess 14, which are connected to two second storage recesses 15, respectively. The main body 10 is a ring wrench.

As shown in FIG. 3, each first drive unit 12 includes a first action unit 121, a first surface 122, a first arc surface 123, and a second surface 124.
The first action part 121 has an acute angle shape and is located at the center of the first drive part 12. The first surface 122 and the first arc surface 123 are provided on both sides of the first action portion 121, and the first surface 122 has a planar shape or a convex arc shape, and is between the first action portion 121 and the first arc surface 123. A first straight line 1231 is provided. The included angle 1232 between the first straight line 1231 and the first surface 122 is 100 to 120 degrees (the best is 110 degrees), and the first straight line 1231 forms a tangent line that is in contact with the first arc surface 123 and the first action portion 121. The other end of the circular arc surface 123 is connected to the second surface 124 in a tangential relationship, and the second surface 124 has a planar shape or a convex circular arc shape.

Each second drive unit 13 includes a second action unit 131, a third surface 132, a second arc surface 133, and a fourth surface 134.
The second action part 131 has a convex arcuate surface shape and is located at the center of the second drive part 13. The third surface 132 and the second arc surface 133 are provided on both sides of the second action portion 131, the third surface 132 has a planar shape or a convex arc shape, and the second arc surface 133 is tangent to the second action portion 131. Connected. The other end of the second arc surface 133 is connected to the fourth surface 134, the fourth surface 134 and the second arc surface 133 are tangential, and the fourth surface 134 is a flat surface or a convex arc surface.

  The first storage recess 14 has a concave arc surface shape, and both sides thereof are in contact with the second surface 124 and the fourth surface 134, respectively.

  The second storage recess 15 has a concave arc surface shape, and both sides thereof are in contact with the first surface 122 and the third surface 132, respectively, but are not in a tangential relationship.

  The center of the inner circle of the sealing portion 11 is the center 16 of the circle 161, and the outer side of the circle 161 is cut into a hexagon 162. The first action portion 121 is located on one side of the hexagon 162, and the second surface 124 and the fourth surface 134 are parallel to the side surface opposite to the hexagon 162. The second action part 131 and the side surface of the hexagon 162 are in contact with each other. The sharpest point of the first action part 121 is positioned at the center point 163 of one side of the hexagon 162, and the second surface 124 and the fourth surface 134 are positioned symmetrically with respect to the diagonal line 164 of the hexagon 162. . The first surface 122 and the third surface 132 are positioned symmetrically with respect to the diagonal line 165 of the hexagon 162. The circle centers of the first storage recess 14 and the second storage recess 15 are respectively located on the diagonal line 164/165, and the depression angle 166 between the side surface of the hexagon 162 and the first surface 122 is 6 to 15 degrees (the best is 8-10 degrees).

  As shown in FIG. 4, when the main body 10 rotates the hexagonal screw part 20 in the clockwise direction, each of the first drive parts 12 and each of the second drive parts 13 of the occlusion part 11 Conflict with one side. The three first surfaces 122 conflict with the three side surfaces of the threaded component 20, and the three second action portions 131 conflict with the other three side surfaces of the threaded component 20. The six corners of the threaded component 20 are located within the range of the first storage recess 14 and the second storage recess 15, respectively. The second storage recess 15 and the first surface 122 are not tangent, and the corners of the threaded component 20 can be prevented from being worn. When the threaded component 20 is rotated clockwise around the main body 10, the three first surfaces 122 are the main power points that come into surface contact with the three side surfaces of the threaded component 20, and the three second action portions 131 have the power points. Acts as an auxiliary part.

  As shown in FIG. 5, when the main body 10 rotates the hexagonal screw part 20 in the counterclockwise direction, each first drive part 12 and each second drive part 13 of the sleeve part 11 are connected to the screw part 20. Conflict on each side. The three first action portions 121 come into contact with the three side surfaces of the threaded component 20, and the three third surfaces 132 come into contact with the other three side surfaces of the screwed component 20. The six corners of the threaded component 20 are located within the range of the first storage recess 14 and the second storage recess 15, respectively. When the threaded component 20 is rotated counterclockwise, the three third surfaces 132 are the main power points that come into surface contact with the other three side surfaces of the threaded component 20, and the three first action portions 121. Acts as an auxiliary part of the power point.

  As shown in FIG. 6, even when the hexagonal screw part 20 is worn and the corners are slightly rounded, when the screw part 20 is rotated counterclockwise, the three third surfaces 132 and Even if the contact surface between the three side surfaces of the threaded component 20 is very limited due to wear, a relatively large rotational force is applied to the first action portion 121 of each first drive portion 12, and the three first Since the action part 121 has an acute angle shape and can be engaged with and engaged with the side surface of the hexagonal screw part 20, the screw part 20 can still be effectively removed.

  As shown in FIG. 7, the main body 10 is a sleeve.

  As shown in FIG. 8, the main body 10 is a transmission type sleeve.

  As shown in FIG. 9, the main body 10 is a ratchet, and the ratchet is pivoted on the ratchet wrench.

  As shown in FIGS. 10 and 11, a plurality of ratchet teeth 1221 arranged in a straight line are provided on the first surface 122.

  As shown in FIG. 12, the second action part 131 has an acute angle shape, and the second action part 131 and the first action part 121 are the same. The second action part 131 and the first action part 121 are symmetrical with respect to the diagonal line 164. Each of the second storage recesses 15 has a tangential relationship with the first surface 122 and the third surface 132.

  As shown in FIG. 13, the main body 10 is a slide bar.

  As shown in FIG. 14, the main body 10 is a floating joint or a universal joint.

  As shown in FIG. 15, the main body 10 is an open wrench, and the main body 10 has few two side surfaces as opposed to the main body 10 of FIG. 1.

  As shown in FIGS. 16 to 18, the sealing portion 11 is a single unit and has two steps of different standard sizes. As described above, the main body 10 of this embodiment has four different standard size sleeves 11.

  As shown in FIG. 19, the main body is a single sleeve.

  The advantages of the hand tool rotating part of the present invention are:

  1. As shown in FIG. 4, when the threaded component 20 is rotated clockwise, the three first surfaces 122 become the power points when rotating mainly by surface contact, and the three second action portions 131 assist the force points. The second action part 131 has a convex arcuate surface shape and is less likely to wear the threaded component 20.

  As shown in FIG. 5, when the threaded component 20 is rotated counterclockwise, the three third surfaces 132 are mainly the power points during rotation by surface contact, and the three first action portions 121 are the power points. Although the three first action parts 121 have acute angles, the rotational force is very small and the side surfaces of the threaded parts 20 are not easily worn.

  3. As shown in FIG. 6, when the contact surface is very limited between the three third surfaces 132 of the second drive unit 13 and the three side surfaces of the threaded component 20, the acute angle shape of the first drive unit 12 Since a relatively large rotational force is applied to the first action part 121 and the three side surfaces of the hexagonal threaded part 20 can be engaged and latched, the threaded part 20 can be effectively removed. it can.

  4. According to the description of the above three points, the main body 10 can tighten the screwing part 20 clockwise, and can loosen the screwing part 20 counterclockwise. When the screwed part 20 is loosened in the counterclockwise direction, there is a low possibility of making a mesh mark on the side surface of the screwed part 20. When the corners of the threaded component 20 are worn round, the three first action portions 121 mesh with the three side surfaces of the threaded component 20 and rotate by meshing the three side surfaces, thereby rotating the threaded component 20. be able to. If it does in this way, it has the effect which can rotate the general rotation method and the screwing component 20 with a rounded corner.

10 Body
11 Sealing part 12 First drive part
121 1st action part 122 1st surface
1221 Ratchet teeth 123 First arc surface
1231 1st straight line 1232
124 2nd surface 13 2nd drive part
131 Second action part 132 Third surface
133 Second arc surface 134 Fourth surface
14 First storage recess
15 Second storage recess 16 Circle center
161 circle 162 hexagon
163 Center vertical line 164 Diagonal line
165 Diagonal line 166
20 Threaded parts

Claims (9)

An annular sleeve for fitting a hexagonal threaded part is provided on the hand tool body,
Three first drive units and three second drive units arranged alternately and annularly on the inner periphery of the sleeve portion, and three first storage recesses and three second storage recesses arranged alternately and annularly are provided. ,
The first drive part and the second drive part are arranged on both sides of each first storage recess, respectively, and are connected to each other with two second storage recesses,
Each of the first drive parts is composed of a first action part having an acute angle shape, a first surface, a first arc surface, and a second surface, and the first action part is arranged at the center of the first drive part. The first surface and the first arc surface are arranged on both sides of the first action part,
The first surface has a planar shape or a convex arc shape, and passes between the first arc surface and the first action portion through a portion where the first action portion and one end of the first arc surface are in contact with each other. A tangent line is provided in contact with one arc surface, and the depression angle between the tangent line and the first surface is 100 to 120 degrees, the other end of the first arc surface is connected to the second surface in a tangential relationship, and the second surface Has a planar shape or a convex arc surface shape, and each of the second driving parts is composed of a second action part having a convex arc surface shape, a third surface, a second arc surface, and a fourth surface. The action portion is located at the center of the second drive portion, the third surface and the second arc surface are provided on both sides of the second action portion, respectively, and the third surface has a planar shape or a convex arc surface shape. The second arc surface and the convex arc surface of the second action portion are tangential, the other end of the second arc surface is connected to the fourth surface, and the fourth surface and the second arc surface are Tangential It said tetrahedron exhibits a flat or convex arc surface shape,
The first storage recess has a concave arc surface shape and is positioned between the second surface and the fourth surface and connected in a tangential relationship with the second surface and the fourth surface, respectively.
The second storage recess has a concave arc surface and is provided between the first surface and the third surface, and the second storage recess has a tangential relationship with the first surface and the third surface. Connect without
With respect to a hexagon circumscribing a circle inscribed on the inner side of the sleeve, the first action portion is located on the side, and the second surface and the fourth surface are respectively opposite hexagonal sides. The second action portion convex arc surface and the hexagonal side are tangential, the sharpest point of the first action portion is located at the center point of the hexagonal side, and the second surface and The fourth surface is symmetrical with respect to the diagonal of the hexagon sandwiched between them, the center of the arc of the first storage recess is on the diagonal, the first surface and the third surface It is symmetrical with respect to the diagonal of the side, the center of the arc of the second storage recess is on the diagonal, and the depression angle between the side of the hexagon and the first surface is 8 to 12 degrees. The structure of the hand tool rotating part characterized by this.   2. The structure of a hand tool rotating unit according to claim 1, wherein the main body has a ring wrench structure and the engagement portion has a transmission structure.   The hand tool rotating part structure according to claim 1, wherein a depression angle between the tangent and the first surface is 110 degrees.   The hand tool rotating part structure according to claim 1, wherein a depression angle between the side of the hexagon and the first surface is 8 to 10 degrees.   The structure of the hand tool rotating unit according to claim 1, wherein the main body has a sleeve structure, a transmission type sleeve structure, a ratchet structure, a slide bar structure, a floating joint, a universal joint, or an open wrench structure. .   The structure of the hand tool rotating unit according to claim 1, wherein a plurality of ratchet teeth are provided on the first surface of the first drive unit, and the ratchet teeth are arranged in a straight line.   The second action part of the second drive part has an acute angle, has the same configuration as the first action part, and the second action part and the first action part are symmetrical with respect to a diagonal line passing therebetween. The structure of the hand tool rotating part according to claim 1, wherein   2. The structure of the hand tool rotating unit according to claim 1, wherein each of the second storage recesses is in a tangential relationship with the first surface and the third surface.   2. The structure of the hand tool rotating unit according to claim 1, wherein the sealing unit is a single unit and is configured as a two-stage unit having different standard sizes.

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