TW202402469A - Spherical plum blossom tool head and preparation method thereof - Google Patents

Abstract

The spherical plum-blossom tool head of the present invention is a rod, which comprises: a body; a driving part, generally in the shape of a spherical shape, and located at the opposite end of the body, the driving part has a plurality of ridges, each of the ridges There are a first side support wall and a second side support wall inclined relative to a predetermined angle on both sides, and the adjacent two ridge bars are connected by a connecting wall, and one side of each connecting wall is connected with a connecting wall. The second side brace of the ridge strip and the first side brace of the other ridge strip define each connecting wall with a virtual centerline, and the connecting walls are arranged to face each other from two sides opposite to each other. A concave arc surface on its center line; a necking part is located between the body part and the driving part.

Description

Spherical plum blossom tool head and preparation method thereof

The present invention relates to the technical field of hand tools, and in particular, to a spherical torx tool head capable of locking and removing screws in a narrow space and a preparation method thereof.

Press, a screw is a common fastener, its main function is to join two objects, or to fix the position of an object; when the screw is used with a nut, the nut can be rotated to complete the action of tightening or loosening the screw. When a screw is inserted into a hole with an internal thread, the screw can be rotated to screw in or out of the hole with an internal thread. It is known that the head of the screw has a larger diameter and is provided with grooves. Common ones include one-word, cross, and square (four-corner) ), hexagonal, plum blossom (star), etc., the corresponding screwdriver can be inserted, and the screwdriver can be driven with a hand tool or electric tool to turn the screw and perform the screw locking operation.

However, when using a screwdriver to insert into the groove of the screw head, whether it is a slot, a cross, a square, a hexagon, or a plum blossom (star), the screwdriver must align the groove from directly above the screw." The screwdriver can be operated to turn the screw after inserting it into the shape and direction of "one-word", "cross", "square", "hexagonal", or "quincunx (star)"; however, if you encounter certain circumstances The narrow space makes it impossible for the screwdriver to align and insert into the groove of the screw head, and of course it is impossible to rotate the screw.

The present invention provides a spherical torx tool head and a preparation method thereof to solve the problem that conventional screwdrivers cannot align and insert into the grooves of the screw head in certain environments, resulting in the inability to lock or loosen the screw.

The spherical torx tool head disclosed by the present invention can be inserted into the groove of the head of the screw at an angle and will not slide. It can effectively transmit and apply torque to the screw, so it can lock in a small space. It is necessary to remove the screw.

In order to achieve the above objects and effects, the present invention discloses a spherical plum blossom tool head, which is a rod and includes: a body; a driving part, generally in a spherical shape, and located at the opposite end of the body, the driving part having A plurality of ridge strips, each of the ridge strips is provided with a first side support wall and a second side support wall that are inclined at a predetermined angle relative to each other on both sides, and two adjacent ridge strips are connected by a connecting wall , one side of each connecting wall is connected to the second side supporting wall of the ridge strip and the first side supporting wall of the other ridge strip, defining that each connecting wall has a virtual center line, and each connecting wall has a virtual center line. The connecting wall is configured as an arc surface concave from its two sides toward its center line; a necking portion is located between the body portion and the driving portion.

In one embodiment, the driving part has a first base surface and a second peripheral surface, and the plurality of ridge strips connect the first base surface and the second peripheral surface.

In one embodiment, the first base surface is a hexagonal circumferential surface, and the second circumferential surface is hexagonal.

In one embodiment, the first base surface is an arc surface, and the second peripheral surface is a hexagon.

In one embodiment, a third peripheral surface is formed between the necking portion and the body, the third peripheral surface is hexagonal, and the necking portion has six necking surfaces.

In one embodiment, each necking surface of the necking portion has an upper bottom edge, a lower bottom edge and two waist edges connecting the upper bottom edge and the lower bottom edge, and the width of the upper bottom edge is smaller than the Lower bottom edges, each upper bottom edge forms the second circumferential surface, each lower bottom edge forms the third circumferential surface, the width of the second circumferential surface is smaller than the third circumferential surface, and the two waist edges are formed into a concave arc. shape, and the concave arc gradually decreases from the upper bottom edge to the lower bottom edge, so that the necking surface becomes a concave arc surface.

In one embodiment, the rod is a hexagonal rod.

In one embodiment, the rod is a circular rod.

In one embodiment, the connecting wall has a first concave arc width, a second concave arc width and a third concave arc width in sequence from the upper end of the driving part to the necking part, and the second concave arc width The arc width is the largest, and the width gradually increases downward from the first concave arc width to the second concave arc width, and then gradually decreases the width downward from the second concave arc width to the third concave arc width.

A method for preparing a spherical plum blossom tool head, which includes: a material preparation step, taking a rod of appropriate size; a spherical processing step, making one end of the rod into a spherical shape through a processing machine that can be processed into a spherical structure The driving part, the first base surface, the second peripheral surface, and at the same time, the necking part and the third peripheral surface are formed below the driving part, and then the body is distinguished below the necking part ; The quincunx-shaped processing step is to use a processing machine that can be processed into a quincunx-shaped structure to make the driving part have a plurality of ridge strips connecting the first base surface and the second peripheral surface, each of the convex ridge strips The two sides of the first side support wall and the second side support wall are formed. The two adjacent ridge strips are connected by the connecting wall. One side of each connecting wall is connected to the one of the ridge strips. The structure of the second side supporting wall and the first side supporting wall of the other ridge strip.

In the following, according to the purpose, function and structural configuration disclosed by the present invention, preferred embodiments are cited and described in detail with reference to the drawings.

Please refer to Figures 1 to 3. The present invention discloses a spherical torx tool head and a preparation method thereof. The spherical torx tool head 100 is a rod. This embodiment takes a hexagonal rod body with six club faces and Hexagonal line; wherein, the rod can also be a circular rod.

The spherical torx tool head 100 includes: a body part 10, a driving part 20, and a necking part 30, wherein:

The body 10 has six club faces and hexagonal lines, and has an appropriate length, which is convenient for human hands to grasp, or can be combined with hand tools and electric tools.

The driving part 20 is located at the opposite end of the body 10. The driving part 20 is generally spherical and has a first base surface 21, a second peripheral surface 22 and connects the first base surface 21 and the second peripheral surface. The first base surface 21 has a hexagonal circumferential surface, the second circumferential surface 22 is also hexagonal, and the two sides of each convex ridge bar 23 are provided with relative inclination predetermined A first side support wall 24 and a second side support wall 25 at an angle, two adjacent ridge strips 23 are connected by a connecting wall 26, and one side of each connecting wall 26 is connected to one of the ridges. The second side support wall 25 of the strip 23 and the first side support wall 24 of the other ridge strip 23 define each connecting wall 26 as having a virtual center line L, and each connecting wall 26 is set by its The two sides are arc surfaces concave relative to the center line L. As shown in Figure 2, the upper part of the connecting wall 26 is connected to the first base surface 21, and the lower part of the connecting wall 26 is connected to the second peripheral surface 22. Between the upper part and the lower part is a middle part. The upper part of the connecting wall 26 adjacent to the first base surface 21 has a first concave arc width W1. The middle part of the connecting wall 26 has a second concave arc width. W2, the lower part of the connecting wall 26 and adjacent to the second peripheral surface 22 has a third concave arc width W3. The first concave arc width W1 is small and gradually increases downward until the second concave arc width W2 is the largest. , and then gradually decreases downward from the second concave arc width W2 to the third concave arc width W3.

The necked part 30 is located between the body part 10 and the driving part 20, and a third circumferential surface 31 is formed between the necked part 30 and the body part 10. The third circumferential surface 31 is also six-dimensional. The necked portion 30 has six necked surfaces 32, each of the necked surfaces 32 is generally trapezoidal, with an upper bottom side a, a lower bottom side b, and a joint connecting the upper bottom side a and the lower bottom side b. Two waist edges c, the width of the upper bottom edge a is smaller than the width of the lower bottom edge b, each of the upper bottom edges a forms the second peripheral surface 22, and each of the lower bottom edges b forms the third peripheral surface 31. The width of the circumferential surface 22 is smaller than the third circumferential surface 31 , and the waist edge c is formed in a concave arc shape, and the concave arc gradually decreases from the upper bottom edge a to the lower bottom edge b, so that the necked surface 32 It is a concave arc surface, and the necking portion 30 has six trapezoidal and concave arc-shaped necking surfaces 32, and the concave arc is gradually reduced from the second circumferential surface 22 to the third circumferential surface 31. .

According to the above structure, please refer to Figures 4 and 5 to reveal a method for preparing a spherical plum blossom tool head of the present invention, which includes a material preparation step, a spherical processing step and a plum blossom processing step. The specific implementation of each step is as follows:

a. In the material preparation step, a rod of appropriate size is taken. The rod in this embodiment is a hexagonal rod body with six surfaces.

b. Spherical processing step: using a processing machine that can be processed into a spherical structure, one end of the rod is turned or milled into a spherical shape of the driving part 20, the first base surface 21, and the second peripheral surface 22, At the same time, the necked portion 30 with six necked surfaces 32 and the third peripheral surface 31 are formed below the driving portion 20 , thereby distinguishing the body 10 below the necked portion 30 .

c. The quincunx-shaped processing step is to use a processing machine that can be processed into a quincunx-shaped structure to make the driving part 20 with six ridge strips 23 connecting the first base surface 21 and the second peripheral surface 22. The two sides of each ridge strip 23 form a first side support wall 24 and a second side support wall 25, and the two adjacent ridge strips 23 are connected by the connecting wall 26.

Please refer to Figure 6. The spherical torx tool head 100 of the present invention is completed according to the above steps. When in use, the spherical torx tool head 1 of the present invention can penetrate into narrow or tricky places through the driving part 20 which is entirely spherical. In the angular space, the groove 201 of the screw 200 head (hexagonal or plum blossom shape) is correspondingly inserted, and the six ridge strips 23 it has are matched with the first side support wall 24 or the third side support wall 24 on both sides. The two side support walls 25 are in contact with the grooves 201 of the screw 200 head (hexagonal or plum blossom shape). The spherical plum blossom tool head 100 of the present invention will not slide relative to the screw 200 and can effectively transmit torque. To allow torque to be applied to the screw 200 to achieve the purpose of locking or loosening the screw 200, the spherical torx tool head 100 of the present invention can have an angle relative to the rotation axis of the screw 200, allowing the screw 200 to be locked or loosened. The action can be performed in difficult environments without slipping, which completely solves the shortcomings of the conventional screwdriver and can indeed achieve the intended creative purpose of the present invention.

Please refer to Figure 7, which shows another preferred embodiment of the spherical torx tool head 100' of the present invention. The difference from the previous preferred embodiment is that the first base surface 21' is an arc surface.

The above are the preferred embodiments and design drawings of the present invention. However, the preferred embodiments and design drawings are only examples and are not used to limit the scope of the technical rights of the present invention. Any equal technical means, or the following Anyone who implements the scope of rights covered by the contents of the "Patent Application Scope" does not deviate from the scope of the invention and remains within the scope of the applicant's rights.

100, 100’: spherical torx tool head 10: body 20:Drive Department 21, 21’: first base plane 22:Second week 23: ridge strip 24:First side support wall 25:Second side support wall 26:Connecting wall 30: Neck 31:The third week 32: Neck surface 200:Screw 201:Groove L: center line W1: first concave arc width W2: Second concave arc width W3: The width of the third concave arc a: upper bottom edge b: lower bottom edge c: waist

Figure 1 is a schematic three-dimensional view of the spherical torx tool head of the present invention. Figure 2 is a schematic plan view of the spherical torx tool head of the present invention. Figure 3 is a schematic cross-sectional view of the spherical torx tool head of the present invention. Figure 4 is a schematic block diagram of the processing steps of the preparation method of the spherical plum blossom tool head of the present invention. Figure 5 is a schematic diagram of the processing flow of the preparation method of the spherical plum blossom tool head of the present invention. Figure 6 is a schematic diagram of the operation of the spherical torx screwdriver head of the present invention, which can penetrate deeply into the groove of the screw head into a small space to operate the rotating screw to lock and remove. Figure 7 is a schematic plan view of another preferred embodiment of the spherical torx screwdriver head of the present invention.

100: Spherical plum blossom tool head

10: body

20:Drive Department

21:First base plane

22:Second week

23: ridge strip

24:First side support wall

25:Second side support wall

26:Connecting wall

30: Neck

31:The third week

32: Neck surface

L: center line

Claims (10)

A spherical plum blossom tool head, which is a rod and includes: one body part; A driving part is generally in the shape of a ball and is located at the opposite end of the body. The driving part has a plurality of ridge strips, and two sides of each ridge strip are provided with a first side support wall and a first side support wall that are relatively inclined at a predetermined angle. The second side support wall is connected by a connecting wall between two adjacent ridge strips. One side of each connecting wall is connected to the second side support wall of one ridge strip and the other ridge strip. The first side support wall defines that each connecting wall has a virtual center line, and each connecting wall is set as an arc surface concave from its two sides relative to its center line; A necking part is located between the body part and the driving part. The spherical torx tool head according to claim 1, wherein the driving part has a first base surface and a second peripheral surface, and the plurality of ridge strips connect the first base surface and the second peripheral surface. The spherical torx tool head as claimed in claim 2, wherein the first base surface is a hexagonal circumferential surface, and the second circumferential surface is hexagonal. The spherical torx tool head as claimed in claim 2, wherein the first base surface is an arc surface and the second peripheral surface is a hexagon. The spherical torx tool head according to claim 3 or 4, wherein a third peripheral surface is formed between the necked portion and the body, the third peripheral surface is hexagonal, and the necked portion has Six necking surfaces. The spherical plum blossom tool head as claimed in claim 5, wherein each necking surface of the necking portion has an upper bottom edge, a lower bottom edge and two waist edges connecting the upper bottom edge and the lower bottom edge, and the upper bottom edge The width of the bottom edge is smaller than the width of the lower bottom edge, each of the upper bottom edges forms the second peripheral surface, each of the lower bottom edges forms the third peripheral surface, and the width of the second peripheral surface is smaller than the third peripheral surface. The waist is formed into a concave arc shape, and the concave arc gradually decreases from the upper bottom edge to the lower bottom edge, so that the necking surface becomes a concave arc surface. The spherical plum blossom tool head as claimed in claim 1, wherein the rod is a hexagonal rod. The spherical plum blossom tool head as claimed in claim 1, wherein the rod is a circular rod. The spherical torx tool head of claim 1, wherein the connecting wall has a first concave arc width, a second concave arc width and a third concave arc in sequence from the upper end of the driving part to the necking part. Width, the width of the second concave arc is the largest, and the width gradually increases downward from the width of the first concave arc until the width of the second concave arc, and then gradually decreases the width downward from the width of the second concave arc until the width of the third concave arc. The width of the three concave arcs. A method for preparing a spherical torx tool head, used to make a spherical torx tool head as described in any one of claims 1 to 9, which includes: In the material preparation step, obtain a rod of appropriate size; In the spherical processing step, through a processing machine that can be processed into a spherical structure, one end of the rod is formed into a spherical shape of the driving part, the first base surface, and the second peripheral surface, and at the same time, below the driving part forming the necked part and the third peripheral surface, and further distinguishing the body part below the necked part; In the quincunx-shaped processing step, the driving part is made into a plurality of ridge strips connecting the first base surface and the second peripheral surface through a processing machine that can be processed into a quincunx-shaped structure. The ridge strips of each ridge strip are The first side support wall and the second side support wall are formed on two sides. The two adjacent ridge strips are connected by the connecting wall. One side of each connecting wall is connected to the third side of the ridge strip. The structure of two side supporting walls and the first side supporting wall of the other ridge strip.

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