Abstract: A foldable electronic device includes a first body and a second body, in which the second body is pivoted to the first body. The second body includes a display cover, a display module, at least one battery module and a pivot mechanism. The display cover has a display region and a battery cavity, in which the display region is adjacent to the battery cavity and the display module is installed to the display region of the display cover. The battery module is disposed in the battery cavity. The pivot mechanism is disposed between the first body and the second body and adjacent to the side wall of the battery cavity to make the second body rotate relatively to the first body on a pivoting axis.

Abstract: A heat-dissipation structure for a motor. The heat-dissipation structure comprises a shaft, a seat and a rotator. The rotator coupled to the seat by the shaft comprises a housing and a cover. The housing comprises an inner side connected to the shaft and a bottom comprising at least one through hole. The cover is connected to an exterior of the bottom of the housing and a distance is formed between the cover and the housing, so that the cover prevents objects from entering the through hole.

Abstract: An electronic device is provided, which includes a bottom casing, an electronic module, at least a positioning part and an upper cover. The electronic module is disposed in the bottom casing. The positioning part is connected to the electronic module. The upper cover includes a cover body and a positioning portion. The cover body is assembled to the bottom casing. The positioning portion is connected to the cover body. A structural interference between the positioning portion and the positioning part makes the electronic module positioned. In addition, an assembling method of electronic module and a disassembling method of electronic module are also provided.

Abstract: A motor includes a motor body and a housing for covering and accommodating the motor body. The housing includes a seat and a cover. The seat has at least one first connecting portion disposed at the circumference of the seat, and the cover has at least one second connecting portion disposed at the circumference of the cover and corresponding to the first connecting portion. The first and second connecting portions are connected by the relative movement of the seat and the cover, so that the seat and the cover can be combined tightly.

Abstract: A fan includes a fan housing, a motor and an impeller. The fan housing includes a first pressure area, a second pressure area and a guiding portion. The pressure of the first pressure area is higher than the pressure of the second pressure area. The guiding portion has a first end and a second end, the first end of the guiding portion is disposed at the first pressure area and the second end of the guiding portion is disposed at the second pressure area for draining moisture gathered in the fan housing away from the first pressure area to the second pressure area. The motor is disposed in the fan housing, and the impeller is connected with the motor.

Abstract: A snap relieving device includes a first movable part, a second movable part, an inclining guiding groove, a guiding piece, and a snap. The first movable part moves along a first direction. The second movable part moves along a second direction, wherein the first direction is substantially orthogonal to the second direction. The inclining guiding groove is disposed on the first movable part. The guiding piece is coupled with the inclining guiding groove and disposed on the second movable part. The snap is connected to the first movable part or the second movable part.

Abstract: An impeller includes a hub, a plurality of first blades, and a plurality of second blades. The first blades are disposed around the hub. The second blades are disposed between the first blades. The lengths of the second blades are shorter than those of the first blades. The impeller can avoid the airflow reflux and have good airflow efficiency.

Abstract: A band saw includes a machine base having a shaft hole for a saw blade to pass through, and a worktable having a shaft tube for the saw blade to pass through. By means of the insertion of the shaft tube of the worktable into the shaft hole of the machine base, the worktable is rotatable relative to the saw blade for adjustment of the horizontal rotary angle thereof.

Abstract: A heat-dissipation structure for a motor. The heat-dissipation structure comprises a shaft, a seat and a rotator. The rotator coupled to the seat by the shaft comprises a housing and a cover. The housing comprises an inner side connected to the shaft and a bottom comprising at least one through hole. The cover is connected to an exterior of the bottom of the housing and a distance is formed between the cover and the housing, so that the cover prevents objects from entering the through hole.

Abstract: A fan includes a fan housing, a motor and an impeller. The fan housing includes a first pressure area, a second pressure area and a guiding portion. The pressure of the first pressure area is higher than the pressure of the second pressure area. The guiding portion has a first end and a second end, the first end of the guiding portion is disposed at the first pressure area and the second end of the guiding portion is disposed at the second pressure area for draining moisture gathered in the fan housing away from the first pressure area to the second pressure area. The motor is disposed in the fan housing, and the impeller is connected with the motor.

Abstract: An impeller, which is driven by a stator, includes a conducting shell, a hub and a plurality of blades. The conducting shell covers at least one side of the stator. The hub covers the conducting shell. At least one air gap is formed between the hub and the stator. A top portion of the hub has an opening to partially expose a top portion of the conducting shell. At least one airflow passage is formed between an inner wall of the hub and an outer surface of the conducting shell. The airflow passage has at least one inlet connected with the opening and at least one outlet connected with the air gap. The blades are disposed around the circumferences of the hub.

Abstract: A snap relieving device includes a first movable part, a second movable part, an inclining guiding groove, a guiding piece, and a snap. The first movable part moves along a first direction. The second movable part moves along a second direction, wherein the first direction is substantially orthogonal to the second direction. The inclining guiding groove is disposed on the first movable part. The guiding piece is coupled with the inclining guiding groove and disposed on the second movable part. The snap is connected to the first movable part or the second movable part.

Abstract: A resilient arm includes an outer frame, a fastening portion, and a first spring. The fastening portion is located in the outer frame and connected to a fixed object. The first spring connects the fastening portion and the outer frame such that the outer frame and the first spring are linked.

Abstract: A bearing structure, which is cooperated with a shaft, includes a housing, a bearing, an elastic element and a blocking element. The shaft passes through the bearing. The elastic element presses against the bearing to provide a pre-stress to the bearing. The blocking element is apart from the bearing by a predetermined distance.

Abstract: A locking device disposed on a casing and suitable for buckling up with a detachable object is provided. The locking device includes a base, an actuating element, and a driven latch. The base has a body fixed at the casing and a first slide track passing through the body. The actuating element has a first sliding block passing through the body and moves between a first position and a second position along a first axis via the first sliding block slidingly connected to the first slide track. The driven latch is slidingly disposed at the base and slides between a third position and a fourth position along a second axis. The driven latch and the actuating element are located at two opposite sides of the base. The driven latch has a second slide track and a locking portion. The first sliding block is slidingly connected to the second slide track.

Abstract: A light guide plate has a light emitting surface, a bottom surface and a first and a second light incident surfaces connected to the light emitting surface and the bottom surface. The bottom surface approaches the light emitting surface gradually along a first direction away from the first light incident surface and along a second direction away from the second light incident surface, or is away from the light emitting surface gradually along the first direction and the second direction. The light guide plate includes a plurality of first and second hollow portions disposed on the light emitting surface. The first hollow portions are arranged on a first axis. The second hollow portions are arranged on a second axis. A plurality of orthogonal projections of the second hollow portions formed on the first axis and the first hollow portions are alternately arranged.

Abstract: A foreign-body-proof or water-proof fan includes an impeller and a motor. The motor includes a rotor, a stator, a housing, at least one bearing and a spacer. The rotor has a shaft. The stator is disposed corresponding to the rotor. The housing supports for the stator and the rotor and has an axial hole, and the shaft passes through the axial hole. One end of the shaft protrudes out of the housing and is connected to the impeller. The bearing for supporting the shaft is disposed in the axial hole and securely disposed in the axial hole. The spacer loops the shaft and urges against the bearing.

Abstract: A motor includes a stator, a first bearing, a second bearing, a first buffer element, a second buffer element and a rotor. The rotor has a shaft passing though the first bearing, the second bearing, the first buffer element and the second buffer element in order. The first buffer element is disposed adjacent to the first bearing for buffering in one direction, and the second buffer element is disposed adjacent to the second bearing for buffering in another direction.

Abstract: A motor includes a motor body and a housing for covering and accommodating the motor body. The housing includes a seat and a cover. The seat has at least one first connecting portion disposed at the circumference of the seat, and the cover has at least one second connecting portion disposed at the circumference of the cover and corresponding to the first connecting portion. The first and second connecting portions are connected by the relative movement of the seat and the cover, so that the seat and the cover can be combined tightly.

Abstract: A dishwasher has multiple wash zones which are each supplied by a wash liquid supply. An interior tub configured to provide an interior wash chamber for washing dishes is divisible into a plurality of wash zones supplied by separate wash liquid supplies. One of the wash zones is supplied by a spray manifold having rotating spray heads. The spray heads are provided with internal vanes which urge the spray heads to rotate and direct wash liquid to outlets in the spray heads.