TW201532746A - Wrench latching device - Google Patents

Abstract

This invention is a wrench latching device used for an assembly of a fastening sleeve. The latching device comprises a wrench having a handle section and a driving section, a tool seat disposed at one lateral side of the driving section, an assembling hole disposed to the tool seat and passing through the bottom end from the top end, a cutting port and a through hole, which respectively communicate with the assembling hole, further disposed at the circumference of on one end of the tool seat; and a buckle member disposed to the end of the tool seat equipped with the through hole and the cutting port, the buckle member comprising a buckling section and an allocator section connected to the buckling section. The installation of the buckle member is that one end of the buckling section passes through the through hole and surrounds the periphery of the tool seat. Another end of the allocator section connected to the buckling section is lodged into the cutting port and then extends to the outside of the cutting port. The allocator section elastically drives the deformation of the buckling section and leans against the exterior periphery of the fastening sleeve.

Description

Wrench clamp device

The utility model relates to a wrench clamping device, which is a related device of a wrench tool component, which is used for controlling the clamping between the wrench and the sleeve, so as to extend the use time of the components, which is a practicality. Excellent invention

With the development of hardware tools, whether it is wrenches, screwdrivers, pliers, etc., it is very common in the market. In addition, each hand tool has different sizes depending on the working environment and site size. The size and use of the socket wrench, which is the most used in the socket wrench, it is used to remove the screw or nut-type zero-resistance parts, and the socket wrench provides users with labor-saving operation and different construction sites. The size of the replacement, so that users can achieve easy operation and save time and labor.

However, the general socket wrench includes a wrench handle and a plurality of sleeves of different sizes, and the user can select a suitable sleeve size according to the size of the screw or nut to be disassembled and assembled before operation, and then select the sleeve. The rear sleeve is inserted into the working end of the wrench handle, and the assembly of the sleeve is fixed through the internal fastening structure of the working end, whereby the user only needs to hold the grip of the wrench, and the swinging wrench grip drives the sleeve to rotate, In order to achieve the purpose of disassembly and assembly, please refer to the Republic of China Patent Publication No. M426472 "Thumbs-clamping device", which mainly includes a wrench body having at least one receiving portion and a ratchet wheel disposed on the wrench body receiving portion. a ring seat, a ratchet device disposed between the ratchet ring seat and the wrench body, and at least one clamping device disposed on the ratchet ring seat; wherein The ratchet ring seat is provided with an outer ring ratchet on the outer ring surface, and an inner twelve-corner sleeve portion is formed on the inner ring surface, and the clamping device is disposed between two adjacent inner corners of the socket portion The abutting wall is provided with an elastically stretchable clamping jaw assembly, and the clamping jaw assembly can simultaneously protrude from the sleeve faces of two adjacent inner corners; thereby, the twelve-corner sleeve is inserted into the ratchet ring seat When the outer hexagonal working piece is assembled, the clamping member can be used to firmly and effectively hold the working piece regardless of the odd inner angle or the even inner inner angle, thereby achieving the practical benefit of greatly improving the use efficiency.

The foregoing enumerated ones are common socket wrenches on the market, in which the elastic body in the clamping device drives the displacement of the beads to be fixed against the sleeve, thus providing a user-operated use, but the group of elastic members and beads. It is easy to cause the elastic fatigue of the elastic member when the insertion and extraction of the long-term sleeve is performed. In addition, the design of the ball is a spherical ball to the sleeve, so that the sleeve cannot be completely firmly fixed on the body of the wrench. In the accommodating part, it is easy to fall off or be lost during the construction work. Therefore, the relevant industry must carefully consider how to improve to prevent the looseness of the sleeve and the elastic fatigue of the elastic member.

In view of the above-mentioned "wrench clamping device" and the lack of conventional wrenches, the inventors have conducted some research and conducted experiments in related knowledge fields, and further compared with various hand tools in the past, and even carried out The research and development of related products, after repeated experiments and tests, has finally introduced a "wrench jam device" to improve the above-mentioned descriptions to meet the needs of the public.

The main object of the present invention is to provide the user that the sleeve is not easily loosened and lost, damaged, etc. during the operation of the socket wrench, and the prior art is that the sleeve is easily damaged by the elastic fatigue of the elastic member. The body cannot be surely engaged with the sleeve between the sleeves, resulting in numerous problems in construction work.

To this end, the present invention has various embodiments in order to improve the above-mentioned numerous deficiencies, and achieve the above-described objects and effects described in the present invention. The present invention has a different embodiment, wherein a wrench clamping device is used for fixing the assembly of the sleeve. The utility model comprises a wrench having a handle segment and a driving segment, and a tool holder is arranged on one side of the driving segment, and the tool holder is provided with an assembly hole extending from the top end to the bottom end, and The circumference of one end of the tool holder is further provided with a slit and a through hole respectively communicating with the assembly hole; and a buckle member is disposed at one end of the tool holder having a through opening and a slit, and the buckle member includes a buckle member a buckle section and a dialing section connected to one end of the buckle section, the buckle component is installed such that one end of the buckle section penetrates into the opening and surrounds the circumference of the tool holder, and the dial section is connected to the buckle section The other end card is disposed in the opening and extends to the outside of the opening, and the dialing section elastically drives the deformation of the buckle segment and is clamped to the outer circumferential side of the fixing sleeve.

A further technical feature of the present invention further includes a positioning ring piece that is sleeved on a peripheral side of the tool holder that is provided with one end of the opening and the opening and covers the buckle member, and the positioning ring piece corresponds to the buckle member. The section of the dialing section extending outside the section of the opening has an arc ring opening, and the dialing section of the buckle section is bent upward toward the arcing ring mouth, and the top end of the dialing section is exposed to the positioning ring piece.

A further technical feature of the present invention is that the buckle portion of the buckle member further includes a shaft card portion and a buckle portion, wherein the shaft card portion and the dialing portion are respectively connected to two ends of the buckle portion, and the shaft card portion is respectively The insertion portion is pierced and exposed in the assembly hole, and the buckle portion is wound around the outer side of the end of the tool holder provided with the opening and the opening, and the dialing portion is clamped in the opening and partially Exposed to the assembly hole, the portion of the dialing section exposed to the opening is bent toward the arc ring of the positioning ring and protrudes from the arc ring opening.

A further technical feature of the present invention is that a C fastener is sleeved on the outer peripheral side of the tool holder that is provided with one end of the opening and the opening, and the C fastener is attached to the top side of the positioning ring. And fixing the assembly of the positioning ring to prevent the buckle member from falling off.

A further technical feature of the present invention is that the assembly hole is further a hexagonal hole, an octagonal hole or a twelve-corner hole.

Another type of spanner device for fixing a sleeve includes: a wrench having a grip portion and a driving portion, and a tool holder attached to the side of the driving portion, and The tool base is provided with an assembly hole extending from the top end to the bottom end, and a slit is formed on a peripheral side of one end of the tool holder, and a through hole respectively communicates with the assembly hole, and an arc is further provided on one side of the drive section. a groove, the arc groove is close to a side of the tool holder having a slit; a buckle member is disposed on the outer side of the tool holder having one end of the opening and the opening and abutting against the driving section, The buckle member includes a buckle segment and a dial segment, and the buckle segment and the dial segment are connected to each other, and the buckle member is installed with one end of the buckle portion penetrating into the opening and along the circumference of the tool holder The side is surrounded by the dialing section and is disposed at the section of the arc groove, and the end of the dialing section is elastically driven to change the buckle segment; and a positioning ring piece is sleeved on the tool holder. The outer side of the opening and the end of the opening are covered with a buckle member, and the positioning ring corresponds to the arc It defines a slot-based control segments, based on the control sheet to sheet positioning ring sleeved on the outer peripheral side of the insertion tool for arc groove, and the positioning ring segment relative to the tool holder is rotated pushing segment allocation.

A further technical feature of the present invention is that the buckle portion of the buckle member further includes a shaft card portion and a buckle portion, and the shaft card portion and the dialing portion are respectively connected to the two ends of the buckle portion, and the shaft card portion Parallel to the dialing section, the shaft card is inserted into the shaft The mouth is convexly protruded from the assembly hole, and the buckle portion is disposed around the outer side of the end of the tool holder where the opening and the opening are provided, and is connected to the dialing section after the opening, and the dialing section is The inside of the opening is partially exposed to the assembly hole, and the end of the dialing section is extended to expose the opening.

A further technical feature of the present invention is that a C-ring is sleeved on a peripheral side of the tool holder that is provided with one end of the opening and the opening, and the C-ring is attached to the top side of the positioning ring, and Fix the assembly of the positioning ring to prevent the buckle member from coming off.

A further technical feature of the present invention is that the assembly hole is further a hexagonal hole, an octagonal hole or a twelve-corner hole.

Combining the above-mentioned various technical features described in the present invention, the advantage is that when the user wants to insert or pull the sleeve into the assembly hole of the tool holder, only the dialing portion of the buckle member is required to be rotated or rotated. Positioning the ring piece to push the dialing section, so that the dialing section drives the elastic deformation and the accumulating force of the buckle segment, and then the sleeve can be pulled out, or the elastic sleeve of the buckle member can be reset to fix the assembly of the sleeve. According to the foregoing different embodiments of the present invention, the invention is simple, quick and convenient to operate, and the elastic fatigue of the buckle member can be slowed down to stabilize the assembly of the sleeve. Therefore, the present invention can be said to be a practical and progressive creation, which is quite worthy of promotion by the industry and is publicized to the public.

(1)‧‧‧ wrench

(11) ‧‧‧ grip section

(12) ‧‧‧Drive segment

(121)‧‧‧Arc trench

(2)‧‧‧tool holder

(21)‧‧‧Assembled holes

(22)‧‧‧ Cutout

(23) ‧ ‧ ‧ mouth

(3) ‧‧‧ buckle parts

(31) ‧‧‧Deduction card segment

(311)‧‧‧Axis card department

(312) ‧‧‧ buckle department

(32) ‧‧ ‧ transfer section

(4) ‧‧‧ positioning ring

(41) ‧ ‧ arc ring

(42) ‧‧‧ control film

(5) ‧‧‧C fasteners

(6) ‧‧‧C buckle

The first figure is a partial perspective view of a first embodiment of the present invention.

The second and third figures are schematic views of the continuous operation of the first embodiment of the present invention.

The fourth figure is a partial perspective view of a second embodiment of the present invention.

The fifth figure is an exploded perspective view of the fourth figure.

The sixth figure is a schematic diagram of the section BB section of the fourth figure.

The seventh figure is a schematic diagram of the action of the buckle section of the buckle member of the present invention being pushed and actuated to produce an elastic deformation of the buckle member.

Figure 8 is a partial perspective view showing a third embodiment of the present invention.

Figure 9 is a partially exploded perspective view showing a third embodiment of the present invention.

Figure 11 is a full exploded perspective view of a third embodiment of the present invention.

The eleventh figure is a schematic cross-sectional view of the CC line segment of the eighth figure.

The twelfth figure is a schematic diagram of the action of rotating the positioning ring piece of the present invention to make the steering piece snap ring member.

In order to clearly illustrate the above objects and effects, the present invention relates to a wrench latching device, and the techniques, means and achievable effects thereof are described in detail with reference to the drawings. Later.

The present invention has three embodiments, which are respectively described below, and the embodiments are not intended to limit the invention in any way. For the first embodiment of the present invention, please refer to the first to third figures. The invention relates to a wrench clamping device for fixing an assembly of a sleeve, comprising: a wrench (1) having a handle segment (11) and a driving segment (12), and in the driving segment ( 12) is provided with a cylindrical tool holder (2), and the tool holder (2) is provided with an assembly hole (21) extending from the top end to the bottom end, and the sleeve is inserted into the assembly hole. (21) and combined, and a slit (22) and a through opening (23) are respectively connected to the assembly hole (21) on the circumferential side of one end of the tool holder (2), and the present invention is in the section (22) ) adjacent to the position design of the mouthpiece (23); and a buckle member (3) mounted to the tool holder (2) a slit (22) and an outer peripheral side of one end of the opening (23) are attached to the end surface of the driving section (12), and the buckle member (3) includes a buckle section (31) and a connection a dialing section (32) at one end of the buckle section (31), the buckle member (3) being mounted with one end of the buckle section (31) penetrating into the opening (23) and along the circumference of the tool holder (2) Side shifting, and the dialing section (32) is connected to the other end of the buckle section (31) and is disposed in the section (22), and then extends beyond the section (22), the dialing section (32) is elastic The deformation of the buckle segment (31) is driven and the card is pressed against the outer peripheral side of the fixing sleeve.

Through the above description, the first embodiment of the present invention is that when the user wants to install the sleeve in the assembly hole (21) of the tool holder (2), the dialing section (32) needs to be first exposed to the section. The portion of the mouth (22) causes the dialing section (32) to move in the opposite direction of the opening (22), and the shifting of the dialing section (32) causes the buckle section (31) to be elastically deformed, so that when the dialing section (32) After retreating from the opening (22) away from the assembly hole (21), the user can insert the sleeve into the tool holder (2), and then elastically return to the original state through the elastic accumulating force of the buckle portion (31). The assembly of the dialing section (32) is fixed to the outer peripheral side of the sleeve to complete the assembly; otherwise, if the sleeve is to be pulled out of the assembly hole (21) of the tool holder (2), only the dialing is required. The segment (32) retreats from the opening (22) and releases the snapping between the dialing section (32) and the sleeve, so that the sleeve can be removed from the assembly hole (21) and then disassembled, see first Figure to the third figure.

However, according to the above description, the second embodiment of the present invention is different from the first embodiment in that the second embodiment further includes a positioning ring piece (4) which is sleeved on the tool holder (2). There is a slit (22) and an outer side of one end of the opening (23) and covers the buckle member (3), and the positioning ring piece (4) extends corresponding to the dialing portion (32) of the buckle member (3) The section outside the section (22) is provided with an arc ring mouth (41), and the dialing section (32) of the buckle member (3) is bent upwardly at a right angle to the arc ring (41), and the Top of the dialing section (32) The end positioning ring piece (4), when the user wants to install the sleeve in the assembly hole (21) of the tool holder (2), the dialing section (32) of the buckle member (3) is firstly arced. The design direction of the ring mouth (41) is pushed against the displacement, so that the dialing section (32) drives the deformation of the buckle section (31), and the buckle section (31) is retracted from the opening in the section (22). The part of the dialing section (32) is not exposed to the assembly hole (21), so that the user can insert the sleeve into the assembly hole (21) of the tool holder (2), and then the card section is buckled ( 31) The elastic accumulating force generated by the elastic deformation is elastically reset, so that the buckle portion (31) of the buckle member (3) can be stuck to the circumferential side of the sleeve in a relatively stable manner, thereby completing the assembly of the sleeve. Conversely, when the user wants to detach the sleeve from the assembly hole (21) of the tool holder (2), it is only necessary to adjust the dialing section (32) along the design direction of the arc ring mouth (41) to make the dialing section. (32) Retreat from the assembly hole (21) and the snap-in between the sleeve, so that the sleeve can be pulled out of the assembly hole (21) of the tool holder (2) to complete the disassembly, please refer to the fourth to seventh The figure shows.

According to the operation description of the above-mentioned buckle member (3) in the first and second embodiments, the features of the components of the present invention will now be further described below, wherein in the portion of the buckle member (3), The buckle section (31) further includes a shaft card portion (311) and a buckle portion (312). The shaft card portion (311) and the dialing portion are shown in the second, third, fifth, sixth, and seventh diagrams. (32) respectively connected to the two ends of the buckle portion (312), and the shaft card portion (311) and the dialing portion (32) are parallel to each other, so the buckle member (3) and the tool holder (2), the wrench ( 1) The assembly type is that the shaft portion (311) of the buckle member (3) is inserted into the opening (23), and the buckle portion (312) is connected to the buckle portion (312). Along the circumference of the tool holder (2) with a slit (22) and one end of the opening (23), the loop portion (312) is wound around the tool holder (2) with a slit (22) ) is connected to the dialing section (32), the dialing section (32) is inserted into the section (22) until the end is extended outside the section (22), and in the second embodiment of the dialing section (32) The end exposed to the opening (22) is oriented The arc ring mouth (41) of the positioning ring piece (4) is bent so as to be disposed at a right angle and convexly convex to the arc ring mouth (41), so that the user is between the operating sleeve and the tool holder (2) When assembling and disassembling, the finger shifting section (32) can be extended to the end of the arc ring mouth (41) by the force of the finger, and the displacement is pushed along the diameter of the arc ring mouth (41) to make the buckle section ( The buckle portion (312) of 31) is displaced by the displacement of the dialing section (32) (as shown in the seventh figure); and the first embodiment is to directly pull the exposed end of the dialing section (32) (such as As shown in the third figure, the sleeve can be easily and quickly assembled or removed from the assembly hole (21) of the tool holder (2).

However, since the buckle member (3) has an elastic feature, in order to enhance the stability of the buckle member (3) when the user performs the pulling operation, a C fastener (5) may be further included. The tool holder (2) is provided with a slit (22) and an outer peripheral side of one end of the opening (23). Referring to the fifth figure, the C fastener (5) is attached to the base. Positioning the top side of the ring piece (4) and fixing it to the outer peripheral side of the tool holder (2), thereby fixing the positioning ring piece (4) to reduce the buckle member (3) by the pushing operation of the dialing section (32) Moreover, the problem of easy separation occurs, and the setting of the C fastener (5) makes it possible to stably fix the position of the ring piece (4), prevent the upper and lower displacement of the positioning ring piece (4), and provide the user with operational stability. (This is a description of a preferred embodiment in which a C fastener (5) is attached in the second embodiment).

Referring to the eighth to twelfth drawings, it is a third embodiment of the present invention, which is different from the second embodiment in the buckle member (3) and the positioning ring (4). a design, wherein a guiding piece (42) is further protruded on a side of the positioning ring piece (4) opposite to the buckle member (3), and corresponding to the positioning ring of the driving section (12) of the wrench One side of the piece (4) is further provided with an arc groove (121) corresponding to the insertion of the direction guiding piece (42), and the details thereof are shown in the ninth to twelfth figures. , the buckle piece (3) The tool base (2) is provided with a slit (22) and an outer peripheral side of one end of the opening (23), and the dialing section (32) is inserted into the slit (22) and continues to extend until the arc groove (121) Position, and the side of the positioning ring piece (4) provided with the direction guiding piece (42) is sleeved and assembled to the tool holder (2) toward the buckle member (3), and the steering piece (42) is inserted into the arc. The groove (121) abuts against the end of the dialing section (32), so that the user only needs to rotate the positioning ring piece (4) relative to the tool holder (2), thereby driving the steering piece (42) to push The dialing section (32) of the buckle member (3) is displaced away from the opening (22), and the biasing of the dialing section (32) by the steering piece (42) also affects the elastic deformation of the buckle section (31). And the accumulating force, whereby the user can insert and pull the sleeve into the assembly hole (21) of the tool holder (2) in a convenient and rapid manner, and the elastic deformation of the buckle member (3) is controlled by the user. The elastic fatigue can be greatly reduced, and the use of the cost can be further reduced. Among them, in the design of the third embodiment of the present invention, the design of the buckle member (3) is the same as that of the first embodiment. Only in the first embodiment The user pulls the dialing section (32) to achieve the disassembly and assembly of the sleeve, and the third embodiment transmits the steering tab (42) to the dialing section through the rotation of the positioning ring (4). In order to achieve the disassembly and assembly of the sleeve, no matter what kind of control is provided, the deformation of the elastic deformation of the buckle member (3) is reduced, and the deformation of the buckle member (3) is controlled by the user. The use of the buckle member (3) is extended, and the increase in cost is reduced, and in addition, the user is more convenient and quick in operation.

In the third embodiment of the present invention, the C buckle (6) capable of fixing one of the positioning ring pieces (4) has the same function as the C fastener (5) of the second embodiment, and also provides positioning. When the ring piece (4) is rotated relative to the tool holder (2), the positioning ring piece (4) is prevented from being displaced up and down by itself, and the buckle piece (3) is disengaged, as shown in the eighth, ninth, and tenth drawings; value It should be noted that the first, second, and third embodiments of the present invention may also vary in the design of the assembly hole (21) according to different types of sleeves, and most of the sleeves on the market. It is hexagonal, octagonal or twelve-corner, so the assembly hole (21) in the tool holder (2) can also be designed with hexagonal holes, octagonal holes (not shown) and twelve-corner holes in the shape of the sleeve. (not shown), through the description of the first, second and third embodiments described above, the buckle member (3) can be elastically deformed according to the user's operation to maintain its elasticity as compared with the prior art. The strength and the stability of the sleeve to the outer peripheral wall of the sleeve during assembly of the sleeve are not caused by the long-term assembly and disassembly of the sleeve as in the prior art, resulting in the elastic fatigue of the elastic member, so that the bead cannot be surely embedded in the sleeve. The outer wall surface causes problems such as frequent detachment, loss, and breakage of the sleeve, and even increases the cost. Therefore, it can be known that the present invention has more progress than the conventional technology, and is more suitable for use by the public.

The above is only a preferred embodiment for explaining the present invention, and is not intended to limit the invention in any way, so that any modifications relating to the present invention are made in the spirit of the same invention. And the changer, other types that can be implemented and have the same effect, should still be included in the scope of the intention of the present invention.

In summary, the "wrench jam device" of the present invention is indeed in full compliance with the development of the industry in terms of practicality and cost-effectiveness, and the disclosed structural invention has an unprecedented innovative structure, so it has " "Newty" should be undoubtedly considered, and the invention can be more effective than the conventional structure, and therefore has "progressiveness", which fully complies with the requirements of the application requirements of the invention patents in the Patent Law of China, and is a patent application according to law. And please ask the bureau to review it early and give it affirmation.

(1)‧‧‧ wrench

(11) ‧‧‧ grip section

(12) ‧‧‧Drive segment

(2)‧‧‧tool holder

(21)‧‧‧Assembled holes

(22)‧‧‧ Cutout

(23) ‧ ‧ ‧ mouth

(3) ‧‧‧ buckle parts

Claims (9)

A wrench clamping device for fixing an assembly of a sleeve, comprising: a wrench having a handle segment and a driving segment, and a tool holder attached to one side of the driving segment, and the tool The pedestal is provided with an assembly hole extending from the top end to the bottom end, and a slit is formed on a peripheral side of one end of the tool holder and a through hole respectively communicates with the assembly hole; and a buckle member is disposed on the tool holder. The end of the opening and the opening of the buckle, the buckle member includes a buckle portion and a dialing portion connected to one end of the buckle portion, the buckle member is installed with one end of the buckle portion penetrated into the opening and along The tool holder is circumferentially surrounded, and the other end of the dialing section is connected to the section of the buckle section and extends to the outside of the section, and the dialing section elastically drives the deformation of the buckle section and is clamped to the fixing sleeve. The outer peripheral side. The wrench latching device of claim 1, further comprising a positioning ring piece sleeved on the outer side of the tool holder having one end of the opening and the opening and covering the buckle member, and the positioning ring piece A section of the dialing section of the corresponding buckle member extending beyond the opening has an arc ring opening, and the dialing section of the buckle member is bent upward toward the arcing ring mouth, and the top end of the dialing section is exposed to the positioning ring piece. The yoke-clamping device of the second aspect of the invention, wherein the buckle portion of the buckle member further comprises a shaft card portion and a buckle portion, wherein the shaft card portion and the dialing portion are respectively connected to the buckle portion The two ends of the card are inserted into the opening and exposed in the assembly hole, and the buckle is wound around the outer side of the end of the tool holder where the opening and the opening are provided, and the dialing section is stuck. The portion is disposed in the opening and partially exposed to the assembly hole, and the portion of the dialing portion exposed to the opening is bent toward the arc ring of the positioning ring and protrudes from the arc ring mouth. According to the wrench latching device of claim 2, a C fastener is further disposed on the outer peripheral side of the tool holder that is provided with one end of the opening and the opening. The C fastener is attached to the top side of the positioning ring piece, and the assembly of the positioning ring piece is fixed to prevent the buckle piece from coming off. The wrench latching device of claim 1, wherein the assembly hole is further a hexagonal hole, an octagonal hole or a twelve-corner hole. The utility model relates to a wrench clamping device, which is used for fixing an assembly of a sleeve, which comprises: a wrench having a handle segment and a driving segment, and a tool holder is attached to the side of the driving segment, and the tool The pedestal is provided with an assembly hole extending from the top end to the bottom end, and a slit is formed on the circumferential side of one end of the tool holder, and a through hole respectively communicates with the assembly hole, and an arc groove is further provided on one side of the driving section. a groove, the arc groove is close to a side of the tool holder having a slit; a buckle member is disposed on the outer side of the tool holder having one end of the opening and the opening and abutting against the driving segment, The buckle member includes a buckle segment and a dial segment, and the buckle segment and the dial segment are connected to each other, and the buckle member is installed with one end of the buckle portion penetrating into the opening and along the circumference of the tool holder Surrounding, the dialing section is clipped to the section opening, and the end is located above the arc groove, and the dialing section is elastically driven to change the buckle segment; and a positioning ring piece is sleeved on the tool holder. The outer side of the mouth and the end of the mouth are covered with a buckle member, and the positioning ring piece corresponds to the arc groove Defines a steering-based sheet, the sheet line to control the positioning ring piece as a sleeve provided on the outer peripheral side of the insertion tool arc groove, and the positioning ring segment relative to the tool holder is rotated pushing segment allocation. The yoke-clamping device of the ninth aspect of the invention, wherein the buckle portion of the buckle member further comprises a shaft card portion and a buckle portion, wherein the shaft card portion and the dialing portion are respectively connected to the buckle portion The two ends of the shaft card portion and the dialing portion are parallel to each other, the shaft card portion is inserted into the opening and protrudes from the assembly hole, and the buckle portion is disposed around the tool holder with the opening and the opening One end of the outer side of the circumference, and after the opening of the section is connected to the dialing section, The dialing section is disposed in the opening and partially exposed to the assembly hole, and the end of the dialing section is extended to expose the section. The wrench latching device according to claim 6 or 7, wherein a C-ring is sleeved on the outer side of the tool holder having one end of the opening and the opening, and the C buckle Attached to the top side of the positioning ring piece and fix the assembly of the positioning ring piece to prevent the buckle piece from falling off. The wrench chucking device of claim 6, wherein the assembly hole is further a hexagonal hole, an octagonal hole or a twelve-corner hole.