Abstract: A multifunctional hand tool has a grip and a metal working rod. The grip has an assembly hole. A polygonal coupling part is disposed on the assembly hole has. The metal working rod has two action sections, each action section has a polygonal portion, and each polygonal portion has an insertion hole. When one of the two action sections is inserted in the assembly hole, one of the two polygonal portions is engaged with the polygonal coupling part, the other action section is assembled to a suitable tool head, and a torque exerting element may be used to exert torque to the other polygonal portion or the insertion hole thereof. Accordingly, it is possible to provide versatility by having interchangeable tool heads on a top end and a bottom end of the metal working rod, and increasing torque on the top end and the bottom end.

Abstract: A toolbox handle of a combination screwdriver. A handle includes a barrel and a plate seat. The barrel includes a chamber and an embedding slot. A receiving seat is movably disposed in the chamber and includes an outer sleeve and a resisting base. An outer spring elastically abuts the resisting base. A retractable assembly is inserted in the outer sleeve and includes an inner spring, a positioning rod, and an inner sleeve. A ball is disposed on the positioning recess of the positioning rod to abut the receiving seat. A pressing plate is combined to abut the positioning rod. Therefore, the receiving seat is stably positioned in the handle and is ejectable for use after being pressed.

Abstract: A hand tool with insulation handle. The handle is made of an insulation material and is formed with a hollow portion (11) and an embedding groove (12). The embedding groove (12) is communicated with the hollow portion (11) and located on a front end (101) of the handle. The tool rod (20) includes a shaft (21) having a rear end (211) and a front end (212). The end plug (30) is made of the insulation material and includes a clamping section (31) and an abutting section (32). The rear end (211) of the shaft is positioned in the end plug through snapping the clamping section. The tool rod (20) is replaceablely inserted in the hollow portion (11) of the handle and protrudes from the handle.

Abstract: A handgrip structure of a hand tool includes a handgrip body, a foldable cover and an installation set; a chamber is formed in the handgrip body, and an opening is formed at one side of the chamber; the foldable cover has one end pivoted with the handgrip body and served to cover the opening, wherein a tool accommodation room is formed between the foldable cover and the chamber of the handgrip body; and the installation set is disposed on the handgrip body and arranged corresponding to another end of the foldable cover. Accordingly, a large amount of tool heads can be stably fastened and the tool heads can be easily taken out and stored, so that features of easy in operation and convenient in storage are achieved.

Abstract: A ratchet wrench capable of rotating quickly and driving rotation includes a handle, a rotary head, a positioning mechanism, and a sleeve. The handle includes an arm and a bar body. The bar body includes an accommodating slot; the arm includes a through hole. The rotary head is connected to the arm and includes recess portions. The positioning mechanism includes a positioning element, a resilient body, and a block element. The resilient body receives the positioning element and is received in the through hole, the positioning element is correspondingly disposed in any of the recess portions, and the block element is connected to the positioning element. The sleeve receives the bar body and operably drives the block element to slide in the accommodating slot, so that the positioning element is positioned and selectively engaged with any recess portion.

Abstract: A ratchet wrench having a quick release structure includes a drive bar, a rotary head, and a locking switch. The drive bar includes a fork arm, a fork opening formed at the fork arm, an axial hole communicating with the fork opening, and a radial hole communicating with the axial hole. The rotary head is pivotally connected to two ends of the fork arm. The rotary head includes a round housing, a plurality of positioning recesses disposed on the round housing, and a pivot axis passing through the rotary head. The pivot axis is perpendicular to the radial hole. The locking switch includes a turning element disposed in the radial hole and a latch element disposed in the axial hole. The turning element rotatably drives the latch element to move axially, and the latch element is engaged with or released from any positioning recess.

Abstract: A ratchet wrench having a flexible positioning structure includes a drive bar, a rotary head, and a locking button. The drive bar includes a fork arm, an axial hole, and a radial hole communicating with the axial hole. The rotary head is pivotally connected to the fork arm; the rotary head includes a round housing, a plurality of positioning recesses disposed on the round housing, and a pivot axis passing through the rotary head and two ends of the fork arm. The pivot axis is perpendicular to the radial hole. The locking button includes a flexible fastener inserted through the radial hole and a latch bar disposed in the axial hole. The flexible fastener is flexibly movable in association with movement of the latch bar, so that the latch bar is engaged with or released from any of the positioning recesses.

Abstract: A ratchet wrench capable of rotating quickly and driving rotation includes a handle, a rotary head, a positioning mechanism, and a sleeve. The handle includes an arm and a bar body. The bar body includes an accommodating slot; the arm includes a through hole. The rotary head is connected to the arm and includes recess portions. The positioning mechanism includes a positioning element, a resilient body, and a block element. The resilient body receives the positioning element and is received in the through hole, the positioning element is correspondingly disposed in any of the recess portions, and the block element is connected to the positioning element. The sleeve receives the bar body and operably drives the block element to slide in the accommodating slot, so that the positioning element is positioned and selectively engaged with any recess portion.

Abstract: A ratchet driving mechanism for a hand tool includes: a drive unit, including a drive shaft, a position member and a plurality of latch members, wherein each of the latch members includes a latch plate and an elastic piece; an adjustment ring, sleeved on the drive shaft and formed with a plurality of cavities allowing the position member to be selectively latched and positioned and an accommodation slot allowing each of the latch plates to inwardly/outwardly move; and a ratchet unit, sleeved on the drive shaft and formed with a plurality of ratchet teeth allowing each of the latch plates to be engaged. Accordingly, during the drive shaft driving the ratchet unit for generating rotation, the position member is able to precisely position the ratchet unit on drive shaft.

Abstract: A hand tool with a latch structure includes a main body (10) and a latch unit (20) coupled to the main body (10), and the latch unit (20) includes a rod body (21) and an elastic element (22). The rod body (21) has a center hole (211) formed in an axial direction parallel to the rod body (21) and a through hole (213) formed in an axial direction perpendicular to the rod body (21) and communicated with the center hole (211). The elastic element (22) has a circular plate (221) and a tongue (222) formed by bending from an end of circular plate (221), and the circular plate (221) is clamped outside the rod body (21), and the tongue (222) passes through the through hole (213) into the center hole (211) to achieve the effects of an easy installation and a secured latch.

Abstract: A hand tool with a latch structure includes a main body (10) and a latch unit (20) coupled to the main body (10), and the latch unit (20) includes a rod body (21) and an elastic element (22). The rod body (21) has a center hole (211) formed in an axial direction parallel to the rod body (21) and a through hole (213) formed in an axial direction perpendicular to the rod body (21) and communicated with the center hole (211). The elastic element (22) has a circular plate (221) and a tongue (222) formed by bending from an end of circular plate (221), and the circular plate (221) is clamped outside the rod body (21), and the tongue (222) passes through the through hole (213) into the center hole (211) to achieve the effects of an easy installation and a secured latch.

Abstract: A ratchet driving mechanism for a hand tool includes: a drive unit, including a drive shaft, a position member and a plurality of latch members, wherein each of the latch members includes a latch plate and an elastic piece; an adjustment ring, sleeved on the drive shaft and formed with a plurality of cavities allowing the position member to be selectively latched and positioned and an accommodation slot allowing each of the latch plates to inwardly/outwardly move; and a ratchet unit, sleeved on the drive shaft and formed with a plurality of ratchet teeth allowing each of the latch plates to be engaged. Accordingly, during the drive shaft driving the ratchet unit for generating rotation, the position member is able to precisely position the ratchet unit on drive shaft.

Abstract: An impact driver includes a sleeve, a striking unit and a chuck. The sleeve includes a bore with an open end and a polygonal section near the open end. The striking unit can strike a bit partially inserted in the sleeve through the open end. The chuck includes a ring, a tube, a spring and a ball. The tube includes a polygonal section movably inserted in the polygonal section of the bore of the sleeve, a circular section extended through the ring, an annular rib formed thereon, a polygonal bore for receiving the bit, and at least one aperture in communication with the polygonal bore. The spring is compressed between the annular rib and the sleeve. The ball includes a portion placed in the aperture and another portion movable into the polygonal bore.

Abstract: A tool includes a chuck connected to a handle. The chuck includes a mandrel including a non-circular cavity defined therein, a slit in communication with the non-circular cavity, a first bore in communication with the non-circular cavity, and a second bore in communication with the slit. A bit with a non-circular profile can be inserted in the non-circular cavity. A flat bit can be inserted in the slit. A ball is located in the first bore. A pin is located in the second bore. A movable sleeve is located around and movable along the mandrel and formed with a thread. A rotary sleeve is rotationally located around the mandrel and formed with a thread engaged with the thread of the movable sleeve. By rotating the rotary sleeve, the movable sleeve pushes the ball into the non-circular cavity and the pin into the slit.