Abstract: A ratchet mechanism, including: a first member having an annular surface, the annular surface being provided a plurality of teeth parallel to an axial direction thereof; a second member rotatably disposed within the annular surface of the first member; at least two pawl teeth, the at least two pawl teeth being disposed on at least one drive transmission member, the drive transmission member being movably disposed on the second member, the pawl teeth being configured to be capable of being in meshing engagement with the teeth to transmit motion between the first member and the second member, wherein the pawl teeth and the teeth have at least two different meshing engagement states.

Abstract: A distance measuring device, including a first housing having an accommodating space; and a laser ranging device provided in the accommodating space of the first housing; a tapeline structure, the tapeline structure integrated with the laser ranging device into one piece, wherein the laser ranging device is arranged along a radial direction or an axial direction of the tapeline structure.

Abstract: A storage box and a storage system are provided. The storage box includes a box body, and the box body is provided with a storage space. A wall plate of the box body facing an external mounting surface is defined as a first wall plate, and the first wall plate is provided with a mounting portion configured to suspend the box body on the external mounting surface.

Abstract: Disclosed are a ceramic tile leveling bracket, pushing and clamping pliers, and a ceramic tile leveling and laying system. The ceramic tile leveling and laying system comprises: a ceramic tile leveling bracket, an insertion block, and pushing and clamping pliers, wherein the ceramic tile leveling bracket is disposed at a junction of at least two adjacent ceramic tiles, one end of the insertion block is inserted into an insertion block receiving portion of the ceramic tile leveling bracket, and the pushing and clamping pliers push and clamp the insertion block into a ceramic tile leveling bracket such that a bottom face of the insertion block is tangent to upper surfaces of the ceramic tiles. The ceramic tile leveling and laying system is easy to operate, and improves the laying efficiency and laying quality.

Abstract: The present disclosure provides a cleaning tool. The cleaning tool includes a gripping member and a cleaning member. The gripping member includes two gripping portions disposed at intervals along a first direction. The two cleaning members are disposed on two inner surfaces of the two gripping portions opposite to each other, respectively. The cleaning member includes two cleaning portions configured for cleaning a object to be cleaned. At least part of the object to be cleaned is configured for being allowed to be inserted between the two cleaning portions disposed on the two gripping portions in a first direction. a cleaning region capable of cleaning both two surfaces of the object to be cleaned where an insertion area of the object to be cleaned is located is formed between the cleaning portions on the two gripping portions opposite to each other.

Abstract: A ratchet wrench comprises: a handle; a first member having an annular surface provided thereon with a plurality of teeth parallel to an axial direction thereof; a second member configured to rotate circumferentially with respect to the annular surface, the second member having at least two recesses arranged circumferentially around it; and at least two first drive transmission members disposed in the respective recesses of the second member, each of the first drive transmission members comprising at least one ratchet tooth, the first drive transmission members configured to be engaged with the teeth to transmit movement in a first direction between the first member and the second member, wherein each of the first drive transmission members is in a different engagement configuration with the teeth, wherein one of the first member and the second member is coupled to the handle and configured to be driven by the handle to rotate.

Abstract: A folding knife, comprising: a handle; a blade assembly pivotably connected to one end of the handle, the blade assembly being configured to be rotatable relative to the handle; a locking mechanism configured to be engageable with the blade assembly, wherein the folding knife is configured such that: the blade assembly has at least two states, the blade assembly is switched between different states by rotating, the locking mechanism, when engaged with the blade assembly, locks the blade assembly in a current state, and the locking mechanism, when disengaged from the blade assembly, is able to unlock the blade assembly.

Abstract: A storage box is provided. The storage box includes two first side walls, a second side wall and a bottom wall. The two first side walls are connected to two sides of the second side wall, respectively; and the two first side walls are opposite to each other. The second side wall and the two first side walls are fixedly connected to the bottom wall, respectively; and the bottom wall, the second side wall and the two first side walls are enclosed together to form a first accommodation space.

Abstract: A package arrangement includes a support board. The support board is formed of at least two layers of plate laminated and affixed together. Adjacent two plates of the at least two layers of plate define therebetween a cavity for receiving at least part of a hand tool. Each plate of the at least two layers of plate is fabricated from a material satisfying recycling requirements for the same class of materials.

Abstract: A stacking system is provided. The stacking system includes a first stacking device and a second stacking device being arranged in a stacked configuration. The first stacking device is provided with a first fitting structure, the second stacking device is provided with a second fitting structure, the first fitting structure and the second fitting structure have a locked state and a released state. In the locked state, the first fitting structure and the second fitting structure are locked to connect the first stacking device and the second stacking device. In the released state, the first fitting structure and the second fitting structure are released from each other.

Abstract: The present disclosure provides a storage system, which includes a chassis, a supporting frame and at least one intermediate plate movably connected to the supporting frame. The supporting frame includes a first folding mechanism connected to the chassis and a second folding mechanism. The intermediate plate is capable of rotating along with the first folding mechanism and/or the second folding mechanism. The first folding mechanism and the second folding mechanism can move close to the chassis through a space, so that the storage system is switched to the folded state.

Abstract: A glue gun, including: a main body, one end of the main body formed as an accommodation part for accommodating a glue cylinder; a first handle and a second handle, the first handle coupled to the second handle by a pivot pin shaft, one of the first handle and the second handle configured as a fixed handle, the other configured as a movable handle pivotable relative to the fixed handle, the fixed handle coupled to the other end of the main body, wherein the movable handle is provided with an actuating member, the actuating member configured to push a push member of the glue gun; at least one of the actuating member and the pivot pin shaft is configured to be adjustable in position to vary a distance between the actuating member and the pivot pin shaft, resulting in a switching between at least two gear positions.

Abstract: The present disclosure provides a storage system, which includes a chassis, a supporting frame and at least one intermediate plate movably connected to the supporting frame. The supporting frame includes a first folding mechanism connected to the chassis and a second folding mechanism. The intermediate plate is capable of rotating along with the first folding mechanism and/or the second folding mechanism. The first folding mechanism and the second folding mechanism can move close to the chassis through a space, so that the storage system is switched to the folded state.