TWI614098B - Folding and locking device for hand tool - Google Patents

Abstract

The present invention provides a turning locking structure for a hand tool, which is mainly provided by a toroidal engaging unit, a double-toothed facering, a first and a second interlocking gear, which are disposed between the first and second sections of the hand tool and The locking shaft or the like is configured, and when the first and second concave-convex annular surfaces of the toroidal engaging unit are in a disengaged state, the first and second sections can be locked as a pivot to change the hand tool into a straight shank Or the crank type, when the hand tool is in the straight shank type, the axial position of the two rotating shafts is opposite to each other, and the central axis of the double-toothed toothed disc is interlaced with the axial line of the two rotating shafts, and the hand tool is cranked. In the state, the axes of the two shafts are staggered, and the center point of the double-toothed toothed disc is located at the intersection of the axes of the two shafts.

Description

Hand tool locking structure

The invention relates to a hand tool structure; in particular to an innovative revealer of a turning lock structure of a hand tool.

Traditional hand tools, whether they are drills, tools, or interlocking posts, are usually shaped like a turning-shaped gun or a straight rod. That is to say, the body type is Fixed and not adjustable.

However, with the different environments used by hand tools, the fixed type of the body tends to become a limitation and obstacle in its use. Based on this problem, the related industry has developed a kind of ontology that can be based on the user. It is necessary to selectively adjust and change into two different types of functions, such as a gun shape or a straight rod shape.

Although the body type described in the previous paragraph can selectively adjust the structure of the conventional hand tool that has changed into different types, it has achieved the advantages of being more practical and useful. However, the conventional structure type design still has its original perfection. Where, including problems such as poor positioning of the turning portion and easy loosening, and the problem that the center axis of the front and rear sections is not positioned when converted into a straight rod shape, in which the problem is usually Nowadays, when the appearance of the linked post is changed from a gun shape to a straight rod type, it is necessary to consider that the internal interlocking shaft member can maintain its interlocking relationship. However, in the conventional structural design, when Although the appearance of the linked rod changes from a gun shape to a straight rod shape, although the amount of the interlocking shaft member can be maintained, the central axes of the front and rear sections tend to be misaligned and different axes. The problem is that the user may have problems such as difficulty in accurate alignment and difficulty in applying force due to deviation of the center end of the force application end and the center end of the action end during the operation process. Examples are conventional hand tools turning point locking structure entirely perfect place, in fact, worth re-thinking industry-related issues important breakthrough technology.

In addition, how to further improve the convenience of the operation of the conventional hand tool turning locking structure is also a secondary issue that needs to be further explored in this case.

Therefore, in view of the problems existing in the above-mentioned conventional hand tool turning locking technology, how to develop an innovative structure that can be more ideal and practical, and the relevant industry should further consider the goal and direction of breakthrough; in view of this, The inventor has been engaged in the manufacturing development and design experience of related products for many years. After detailed design and careful evaluation of the above objectives, the inventor has finally obtained the practical invention.

The main object of the present invention is to provide a turning locking structure for a hand tool, and the technical problem to be solved is to think about an innovative breakthrough in how to develop a new hand tool turning locking structure which is more ideal and practical. The turning locking structure is configured to correspond to a first set of ends of the first section of the hand tool provided with the interlocking post function and a second set of ends of the second section, the first zone a first rotating shaft is disposed in the segment along the axial direction thereof, and a second rotating shaft is disposed in the second portion along the axial direction thereof, and the first and second sets of the connecting ends are aligned with the axis of the first and second rotating shafts The beveled shapes with an angle abut each other.

The technical feature of the present invention is mainly that the turning locking structure comprises: a ring-shaped engaging unit, comprising a first concave-convex annular surface disposed at the first set of ends and a second concave-convex shape disposed at the second set of ends The annular surface, the first and second concave-convex annular surfaces are in mesh with each other, the first concave-shaped annular surface intermediate portion is oppositely defined to form a first receiving portion, and the second concave-convex annular surface intermediate portion is oppositely defined to form a second receiving portion And the first accommodating portion and the second accommodating portion are normally aligned with each other; a double-toothed sprocket wheel is disposed in the accommodating space formed by the first accommodating portion and the second accommodating portion, and the double-toothed surface The two sides of the toothed discs facing each other are respectively provided with a first ring tooth surface and a second ring tooth surface. The first ring tooth surface is located in the first receiving portion, and the second ring tooth surface is located in the second receiving portion. The tooth surface of the double-toothed toothed disc is set to be aligned with the inclined surface of the first set of the connecting end and the second set of the connecting end, and the center of the double-toothed toothed disc has an axially-shaped tube; a first interlocking gear is The coaxial relationship is set at one end of the first rotating shaft, and the first ring gear surface of the first interlocking gear and the double toothed tooth plate is a normal phase Engagement relationship; a second interlocking gear is disposed coaxially at one end of the second rotating shaft, and the second interlocking gear and the second ring tooth surface of the double-toothed facering are in a normal meshing relationship; a locking shaft is worn in the first a first set of ends of a section and a second set of ends of the second section, the locking shaft comprising a mounting end, a locking state control portion and a shaft body section, wherein the shaft body section is set in the double In the shaft tube of the center of the toothed toothed disc, the axial line constituting the lock shaft and the tooth surface of the double-toothed toothed disc are perpendicular to each other, and the lock state control portion has an urging portion to selectively control the change ring. The first and second concave-convex annular surfaces of the planar engaging unit are in an engaged positioning state or a disengaged releasing state; and when the first and second concave-convex annular surfaces are in a disengaged state, the first section and the second section are The segment can be selectively pivoted with the locking shaft as a fulcrum to change the appearance of the hand tool in a straight shank or a crank shape, and when the hand tool has a straight shank shape, the first and second rotating shafts form an axis. The state of the opposite position of the heart line, and constitutes the central axis of the double-toothed facering 1. The arrangement relationship of the axis lines of the second rotating shaft are mutually staggered; when the appearance of the hand tool is in the crank type, the first and second rotating shafts are arranged to be interlaced with each other, and constitute a double-toothed tooth. The center point of the disk is disposed at an intersection of the first rotating shaft and the second rotating shaft.

The main effects and advantages of the present invention are that the positioning of the hand tool turning portion is better, and the first and second rotating shafts of the first and second sections are axial when the hand tool is in the straight shank type. The relative position of the heart line achieves practical advancement that is easy to accurately align and easier to apply.

Another main object of the present invention is that the locking shaft is locked by a screw-type screw that is fixed in the first set of the first section of the first section by the mounting end of the locking shaft. The state control unit is composed of a quick release swinging lever, the quick release swinging lever includes a pivoting seat and a pulling lever segment, and the pivoting seat is pivoted to the end of the locking shaft by a pivoting shaft, and the pivoting seat One side is formed into a gradual curved shape to form the pressing portion, and the surface of the pressing portion is formed with an outer diameter changing shape with respect to the center of the fulcrum to define a tapered end and a diverging end, and when When the rod section is in the buckled state, the tensioning end is oppositely locked to the locked state of the socket-shaped pressure receiving portion preset on the side of the second group of connecting ends, and when the pulling rod section is in the open state, the system is converted into The tapered end of the pressing portion is located at the socket-shaped pressure receiving portion, thereby forming a disengaged state between the first and second concave-convex annular surfaces; and the same side of the second group of connecting ends is further provided with a recessed groove for the pulling The moving rod segment is embedded in the locked state to embed another technical feature to form a limit function, thereby achieving the operation of the hand tool turning locking structure Another advantage of the added convenience of progressive and practical.

Referring to Figures 1, 2 and 3, there is shown a preferred embodiment of the folding lock structure of the hand tool of the present invention, but the embodiments are for illustrative purposes only and are not limited by the structure in the patent application;

The turning locking structure is configured to provide a first set of terminals 11 of a first section 10 and a second set of ends 22 of a second section 20 of a hand tool A having a linked post function. Correspondingly, a first rotating shaft 111 is disposed in the first section 10 along the axial direction thereof, and a second rotating shaft 222 is disposed in the second section 20 along the axial direction thereof, and the first set of connecting ends 11 and the second set of ends 22 are abutted against each other with an oblique shape with respect to the axis line L1 of the first rotating shaft 111 and the second rotating shaft 222; the turning locking structure comprises: a toroidal engaging unit 30 The first embossed annular surface 31 disposed on the first set of terminals 11 and the second embossed annular surface 32 disposed on the second set of the connecting ends 22, the first embossed annular surface 31 and the first The shape of the two embossed toroids 32 is in mesh with each other. The intermediate portion of the first embossed annular surface 31 is oppositely defined to form a first accommodating portion 33, and the intermediate portion of the second embossed annular surface 32 is oppositely defined to form a second portion. The accommodating portion 34, and the first accommodating portion 33 and the second accommodating portion 34 are normally aligned with each other; a double-toothed toothed disc 40 is disposed at the first accommodating portion In the accommodating space formed by the second accommodating portion 34, the two opposite sides of the double-toothed sprocket 40 are respectively provided with a first ring-shaped surface 41 and a second ring-shaped surface 42. The first ring tooth surface 41 is located in the first receiving portion 33, and the second ring tooth surface 42 is located in the second receiving portion 34. The tooth surface of the double-toothed facering plate 40 is disposed. The direction of the inclined surface of the first set of the connecting end 11 and the second set of the connecting end 22 is the same, and the center of the double-toothed toothed disc 40 has a shaft tube 43; a first interlocking gear 50 is coaxially arranged At the end of the first rotating shaft 111, the first interlocking gear 50 and the first ring tooth surface 41 of the double-toothed toothed disc 40 are in a normal mutual meshing relationship; a second interlocking gear 60 is disposed in a coaxial relationship. One end of the second rotating shaft 222, and the second interlocking gear 60 and the second ring-toothed surface 42 of the double-toothed toothed disc 40 are normally in meshing relationship; a locking shaft 70 is worn in the first section 10 a first set of ends 11 and a second set of ends 22 of the second section 20, the locking shaft 70 includes a mounting end 71, a locking state control portion 72, and the mounting end 71 and the locking A shaft portion 73 between the state control portions 72, wherein the shaft portion 73 is threaded into the shaft tube 43 disposed at the center of the double-toothed toothed disc 40, and constitutes an axis L2 of the locking shaft 70. A locking mechanism control portion 72 has a pressing portion 725 for selectively controlling the first concave-convex ring of the toroidal engaging unit 30. The surface 31 and the second concave-convex annular surface 32 are in an engaged or disengaged state; and wherein the first concave-convex annular surface 31 and the second concave-convex annular surface 32 are in a disengaged state, the first The section 10 and the second section 20 are selectively pivoted with the locking shaft 70 as a fulcrum to change the appearance of the hand tool A in either a straight shank or a crank shape, and when the hand tool A is in appearance In the straight shank configuration, the first shaft 111 and the second shaft 222 form a state in which the axis L1 is opposite to each other, and constitute a central axis of the double-toothed spur 40 (ie, the axis of the locking shaft 70). The relationship between the line L2) and the axis line L1 of the first rotating shaft 111 and the second rotating shaft 222 is interlaced; and when the hand tool A is curved In the shank type, the first shaft 111 and the second shaft 222 are arranged to be interlaced with each other, and the center point pair of the double-toothed toothed disc 40 is located on the first shaft 111 and the first shaft 111 The arrangement relationship at the intersection of the two shafts 222 of the axis line L1.

As shown in the second and third figures, in this example, the mounting end 71 of the locking shaft 70 is an expanded diameter end type, which is screwed to the first set of the first section 10. One of the preset mounting holes 115 is defined in the first embodiment. The locking state control portion 72 of the locking shaft 70 is formed by a quick release swinging lever 721. The quick release swinging lever 721 includes a screwing seat 722 and a The screwing portion 723 is provided with a threaded hole 724. The end of the locking shaft 70 is provided with a threaded portion 74 for screwing into the screw hole 724, and the screwing seat 722 is tapered on one side. The pressing portion 725 is formed in a curved shape, and the surface of the pressing portion 725 is shaped to have a change in outer diameter with respect to the center of the screw seat 722 to define a tapered end 726 and a tapered end 727. The value of the difference in outer diameter formed by the end 726 to the tapered end 727 is greater than the value of the depth of engagement between the first embossed annular surface 31 and the second embossed annular surface 32, and when the pulling rod segment 723 is present In the state of the pressing state, the tapered end portion 727 of the pressing portion 725 is pressed against the predetermined one of the socket-shaped pressure receiving portions 225 of the second group 20 of the second portion 20 When the triggering lever section 723 is in the disengaged state (as shown in FIG. 4), the tapered end 726 that is converted into the pressing portion 725 is located at the socket-shaped pressure receiving portion 225, thereby constituting the first A concave-convex annular surface 31 and a second concave-convex annular surface 32 are in a disengaged state; and the same side of the second-grouped end 22 is further provided with a recessed groove 23 (only shown in Figures 3 and 6). When the triggering lever segment 723 of the quick release swinging lever 721 is in a buckled locking state, the limiting function is embedded; in this example, the type design of the quick release swinging lever 721 can be mainly Allowing the user to achieve the convenience and operational efficiency of the toggle form, the operation of the turning lock structure of the hand tool A is more convenient and convenient, and the second section 20 is provided with a recessed groove 23 for quick release swinging. The pulling lever segment 723 of the triggering rod 721 is in a state of being embedded in the buckle-locking state, and the locking lever segment 723 of the pressing state can be stably restrained to effectively prevent any yaw from loosening; in this example, The mounting end 71 of the unlocking shaft 70 is a rotary end type of the expanded diameter, and is provided with a screw seat 722 of the quick release swinging lever 721. The hole 724 is characterized by a screwing of the threaded portion 74 provided at the end of the locking shaft 70. The intention is that when the pulling lever segment 723 of the quick release swinging lever 721 has been swung to the second set of terminals 22 When the position of the recessed groove 23 is set, if the tightness of the actual buckle locking is insufficient, the tightness of the locking shaft 70 can be adjusted by rotating the mounting end 71; wherein the mounting end 71 of the locking shaft 70 is 71 The tool sleeve groove 715 is provided at the end; the tool socket groove 715 can be shaped like a slot, a cross slot or a hexagonal slot for the rotation of the existing insert.

As shown in FIG. 3, in this example, the center axis of the double-toothed facering plate 40 (the axis line L2 of the locking shaft 70) and the axis line of the first rotating shaft 111 and the second rotating shaft 222 are Interlaced configuration relationship at an angle of 45 degrees to each other.

As shown in FIG. 3, in this example, the axial extension of the shaft 43 of the center of the double-toothed toothed disc 40 extends beyond the first toroidal surface 41 and the second toroidal surface 42; The type of the shaft is set to 43, which can further increase the torsional strength and rigidity of the integral meshing transmission structure of the present invention.

According to the above-mentioned structural composition and technical features, the present invention is disclosed in the structure of the hand-tool A having the interlocking post function, and the structure of the preferred embodiment of the preferred embodiment is as follows. As shown in the figure, the hand tool A has a straight shank shape. In this state, the first shaft 111 and the second shaft 222 are in a state of being aligned with the axis L1, and constitute a double-toothed toothed disc 40. The central axis (ie, the axis L2 of the locking shaft 70) and the axis line L1 of the first rotating shaft 111 and the second rotating shaft 222 are interdigitated, and the pulling rod section 723 of the quick-release swinging lever 721 is passed through. In a state of being pressed, the tapered end 727 of the pressing portion 725 is pressed against the locking state of the socket-shaped pressure receiving portion 225 provided on the side of the second group of the second end portions 22 of the second portion 20, thereby locking the ring. The first concave-convex annular surface 31 and the second concave-convex annular surface 32 of the planar engaging unit 30 securely position the first segment 10 and the second segment 20 in a straight shank-like assembled state; It is shown that when the user wants to adjust and change the appearance of the hand tool A, the toggle lever of the quick release swing lever 721 is firstly used. The 723 is opened, so that the tapered end 726 of the pressing portion 725 is in the state of the socket-shaped pressure receiving portion 225, thereby forming a release between the first concave-convex annular surface 31 and the second concave-convex annular surface 32. The state (as indicated by D in FIG. 5 is the distance formed by the separation between the first embossed annular surface 31 and the second embossed annular surface 32); thus, with respect to the state shown in FIG. 3, The user can turn the first section 10 as shown in FIG. 6 so that the first section 10 and the second section 20 become a crank type having an angle (for example, a 90 degree angle). After the determination, the user can reach the locking function again by the pulling lever segment 723 of the quick release oscillating trigger 721. At this time, as shown in FIG. 7, the first rotating shaft 111 and the second rotating shaft 222 form an axis. a state in which the core lines are interlaced, and a center point pair of the double-toothed facering 40 is disposed at an intersection of the first rotating shaft 111 and the second rotating shaft 222 at the axial line L1; the first section 10 and the second section During the 20-transition process, since the first interlocking gear 50 and the first ring-toothed surface 41 of the double-toothed toothed disc 40 are normally in meshing relationship, and second The interlocking gear 60 and the second ring tooth surface 42 of the double-toothed toothed disc 40 are also normally in meshing relationship, so the transmission between the first rotating shaft 111 and the second rotating shaft 222 is not affected by the change of the appearance of the hand tool A. influences.

As shown in Fig. 8, in this example, the first embossed annular surface 31 and the second embossed annular surface 32 of the toroidal engaging unit 30 (Note: this figure is only represented by the second embossed annular surface 32) The method includes a plurality of concave surface portions 321 and a convex surface portion 322 which are continuously arranged in a ring shape, and the adjacent concave surface portions 321 and the convex surface portions 322 are connected by an oblique guiding surface 323, and the oblique guiding surface 323 is inclined. The angle X is between 5 degrees and 15 degrees. In this embodiment, the shape of the inclined guide surface 323 is designed to increase the first concave-convex annular surface 31 and the second concave-convex annular surface 32. When the state is released, they are mutually displaced, and the smoothness of the appearance process of the hand tool A is changed.

Further, the partition line between each concave surface portion 321 of the first uneven-shaped annular surface 31 and the second uneven-shaped annular surface 32 and the convex surface portion 322 is the first concave-convex annular surface 31 and the second concave-convex surface The center point of the annular surface 32 is a shape in which the common center is radiated outward; thereby, the configuration is mainly such that the first concave-convex annular surface 31 and the second concave-convex annular surface 32 are engaged at respective rotation angles. , can achieve accurate positioning and stable mesh positioning effect.

Advantages of the Invention: The "turning locking structure of the hand tool" disclosed in the present invention is mainly composed of the toroidal engaging unit, the double-toothed facering, the first and second interlocking gears, and the locking shaft, and 1. The second concave-convex annular surface is in a disengaged state, and the first and second sections are selectively swingable with the locking shaft as a fulcrum to change the appearance of the hand tool into a straight shank or a crank type, and When the tool has a straight shank shape, the axial line of the first and second rotating shafts is opposite to each other, and the central axis of the double-toothed toothed disc is interlaced with the axial lines of the first and second rotating shafts; When the appearance of the tool is cranked, the first and second rotating shafts are interlaced with each other, and the center point of the double-toothed toothed disc is located at the intersection of the first and second rotating shafts. The structure and technical features of the present invention are related to the conventional structure proposed in the prior art, wherein the toroidal engagement unit includes the first embossed torus provided at the first set of ends and The technical feature of the second embossed torus provided at the second set of ends, The positioning of the hand tool turning part is better, and when the hand tool is in the straight shank type, the first and second rotating shafts of the first and second sections are in a state of relative position of the axis line, which is easy to accurately align. And practical progress that is easier to apply force.

A‧‧‧Hand tools
10‧‧‧First section
11‧‧‧The first set of joints
111‧‧‧First shaft
115‧‧‧Mounting holes
20‧‧‧second section
22‧‧‧The second set of joints
222‧‧‧second shaft
225‧‧‧Whole pressure part
23‧‧‧ embedded groove
30‧‧‧toothed meshing unit
31‧‧‧First embossed torus
32‧‧‧Second embossed torus
321‧‧‧ concave face
322‧‧‧ convex face
323‧‧‧ oblique guide
33‧‧‧First Housing Department
34‧‧‧Second Accommodation
40‧‧‧Double-toothed facering
41‧‧‧First ring tooth surface
42‧‧‧second ring tooth surface
43‧‧‧Axis management
50‧‧‧First linkage gear
60‧‧‧Second linkage gear
70‧‧‧Locking shaft
71‧‧‧Installation end
715‧‧‧Tools
72‧‧‧Lock Status Control
721‧‧‧Quick release swing lever
722‧‧‧ screw seat
723‧‧‧Toggle lever
724‧‧‧ screw holes
725‧‧‧Forcing Department
726‧‧‧ tapered end
727‧‧‧Expanded
73‧‧‧ Shaft section
74‧‧‧Threaded section
L1, L2‧‧‧ axis line
X‧‧‧ tilt angle

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view showing the structure of a preferred embodiment of the present invention. Figure 2 is an exploded perspective view of the preferred embodiment of the present invention. Figure 3 is a cross-sectional view showing the structure of a preferred embodiment of the present invention. Fig. 4 is a cross-sectional view showing the structure of the pulling lever of the present invention in an open state. Fig. 5 is an enlarged view of a portion B of Fig. 4. Fig. 6 is a schematic view showing the appearance transition of the hand tool of the present invention in a crank state. Fig. 7 is a schematic view showing the appearance change of the hand tool of the present invention in a crank state. Fig. 8 is a view showing an embodiment of a second concave-convex annular surface of the present invention including a concave surface, a convex surface, and an oblique guide surface.

A‧‧‧Hand tools

10‧‧‧First section

11‧‧‧The first set of joints

111‧‧‧First shaft

115‧‧‧Mounting holes

20‧‧‧second section

22‧‧‧The second set of joints

222‧‧‧second shaft

30‧‧‧toothed meshing unit

31‧‧‧First embossed torus

32‧‧‧Second embossed torus

34‧‧‧Second Accommodation

40‧‧‧Double-toothed facering

41‧‧‧First ring tooth surface

42‧‧‧second ring tooth surface

43‧‧‧Axis management

50‧‧‧First linkage gear

60‧‧‧Second linkage gear

70‧‧‧Locking shaft

71‧‧‧Installation end

715‧‧‧Tools

72‧‧‧Lock Status Control

721‧‧‧Quick release swing lever

722‧‧‧ screw seat

723‧‧‧Toggle lever

724‧‧‧ screw holes

725‧‧‧Forcing Department

73‧‧‧ Shaft section

74‧‧‧Threaded section

Claims (7)

A turning locking structure for a hand tool, wherein the turning locking structure is configured to provide a first set of terminals and a second section of a first section of a hand tool having a linked post function a first rotating shaft is axially disposed in the first portion, and a second rotating shaft is axially disposed in the second portion, and the first rotating end is The second set of ends is abutted against each other with an angled shape with respect to the axis of the first rotating shaft and the second rotating shaft; the turning locking structure comprises: a toroidal engaging unit, comprising the first a first concave-convex annular surface of one of the set ends and a second concave-convex annular surface provided at one of the second set of ends, wherein the first concave-convex annular surface and the second concave-convex annular surface are in mesh with each other, and the shape The first embossed toroidal intermediate portion is oppositely defined to form a first accommodating portion, and the second embossed toroidal intermediate portion is oppositely defined to form a second accommodating portion, and the first accommodating portion and the second accommodating portion a normal portion of the positioning portion; a double-toothed facering plate disposed at the first receiving portion and the second receiving portion In the accommodating space formed by the unit, the two opposite sides of the double-toothed toothed disc are respectively provided with a first ring tooth surface and a second ring tooth surface, wherein the first ring tooth surface is located in the In the first accommodating portion, the second ring-shaped surface is located in the second accommodating portion, and the tooth surface of the double-toothed sprocket is disposed on the inclined surface of the first group and the second group The direction of the orientation is the same, and the center of the double-toothed toothed disc has a shaft; a first interlocking gear is disposed coaxially at one end of the first rotating shaft, and the first interlocking gear and the double-toothed toothed disc The first ring gear surface is in a normal mutual meshing relationship; a second interlocking gear is disposed coaxially at one end of the second rotating shaft, and the second interlocking gear and the second ring tooth surface of the double toothed tooth plate are Normally intermeshing relationship; a locking shaft is disposed in the first group of the first segment and the second group of the second segment, the locking shaft includes a mounting end and a locking state control portion And a shaft body section between the mounting end and the locking state control portion, wherein the shaft body section is screwed into the shaft body In the shaft tube of the center of the double-toothed toothed disc, the axial line constituting the locking shaft and the tooth surface of the double-toothed toothed disc are perpendicular to each other, and the locking state control portion has a pressing portion for Selectively controlling the first concave-convex annular surface of the toroidal engagement unit to be in an engaged or disengaged state with the second concave-convex annular surface; and wherein, the first concave-convex annular surface and the second The first and second sections are selectively pivoted with the locking shaft as a fulcrum to change the appearance of the hand tool as a straight shank or a crank. And when the appearance of the hand tool is in a straight shank shape, the state in which the axis of the axis is opposite between the first rotating shaft and the second rotating shaft is formed, and the central axis of the double-toothed toothed disc is formed and the first The arrangement relationship between the axis of the rotating shaft and the second rotating shaft is mutually staggered; and when the appearance of the hand tool is in a crank type, the state in which the axis lines are interlaced between the first rotating shaft and the second rotating shaft is formed, and constitutes The center point of the double-toothed toothed disc is located at the first The configuration relationship between the axis of rotation and the intersection of the axis of the second shaft. The turning lock structure of the hand tool according to the first aspect of the invention, wherein the mounting end of the locking shaft is an expanded diameter end type, and is screwed to the first group of the first section. One of the preset mounting holes in the connecting end, the locking state control portion of the locking shaft is formed by a quick release swinging lever, the quick release swinging lever includes a screwing seat and a pulling lever segment. The screwing seat is provided with a screw hole, and the end of the locking shaft is provided with a threaded section to be screwed to the screw hole, and the screwing seat side is formed in a gradual curved shape to form the pressing portion. The surface of the pressing portion has a shape with an outer diameter change with respect to the center of the fulcrum, and defines a tapered end and a diverging end. The difference between the tapered end and the diverging end is larger than the first outer diameter difference. a value of the depth of engagement between the concave-convex annular surface and the second concave-convex annular surface, and when the pulling rod portion is in a buckled state, the tapered end portion of the pressing portion is configured to be pressed against the second portion The locking state of one of the socket-shaped pressure receiving portions preset on the side of the second group of the segments, and when the pulling lever segment is in the open state , the tapered end of the pressing portion is located at the socket-shaped pressure receiving portion, thereby forming a disengaged state between the first concave-convex annular surface and the second concave-convex annular surface; and the second assembly The same side of the end is further provided with a recessed groove for inserting a limit function when the toggle lever of the quick release swing lever is in a buckled lock state. The turning lock structure of the hand tool according to the second aspect of the invention, wherein the central axis of the double-toothed toothed disc and the axial line of the first rotating shaft and the second rotating shaft are at an angle of 45 degrees to each other. Configuration relationship. The turning lock structure of the hand tool according to the third aspect of the invention, wherein the shaft of the center of the double-toothed toothed disc has a convex end elongation of the tube beyond the first ring tooth surface and the second ring tooth surface. The turning locking structure of the hand tool according to the fourth aspect of the invention, wherein the first concave-convex annular surface and the second concave-convex annular surface of the toroidal engaging unit comprise a plurality of concave and convex surfaces arranged in a ring shape And the adjacent concave surface and the convex surface are connected by an oblique guiding surface, and the inclined guiding surface has an inclination angle of between 5 and 15 degrees. The turning lock structure of the hand tool according to the second aspect of the invention, wherein the mounting end of the locking shaft is provided with a tool socket groove. The turning lock structure of the hand tool according to the fifth aspect of the invention, wherein the first concave-convex annular surface and the second concave-convex annular surface are separated from each other by a concave portion and a convex portion. The center point of the first embossed annular surface and the second embossed annular surface is a type in which the common center is radiated outward.