Abstract: This disclosure provides a series connected water cooling structure. Each water cooling head includes a housing, and the housing includes a water inlet and a water outlet. The connecting pipes are connected between the water cooling heads to be in a series manner. The connecting pipes are connected to the water inlets of adjacent water cooling heads to configure the series connected water cooling heads. The water-inlet pipe and the water-outlet pipe are connected to the water inlet and water outlet of the series connected water cooling heads respectively. The water-inlet pump and the water-outlet pump are arranged on the water-inlet pipe and the water-outlet pipe respectively. Therefore, the heat dissipation efficiency is improved.

Abstract: A plug-in pump installation structure of a cooling distribution unit is disclosed. A pump seat is disposed in a machine case and has a fixed joint. A plug-in pump has a pump main body and a moveable joint. The plug-in pump is plugged or removed relative to the pump seat through the moveable joint and the fixed joint being connected or released. One distal end of each rotary arm of a handgrip has a latching hook. The rotary arms are pivotally connected at opposite sides of the pump main body. When the handgrip is folded on the machine case, the latching hook abuts against a protrusion disposed on a block piece of the machine case, when the handgrip is rotated to be away from the machine case, the latching hooks of the rotary arm is released from the abutted protrusion.

Abstract: A plug-in pump installation structure of a cooling distribution unit is disclosed. A pump seat is disposed in a machine case and has a fixed joint. A plug-in pump has a pump main body and a moveable joint. The plug-in pump is plugged or removed relative to the pump seat through the moveable joint and the fixed joint being connected or released. One distal end of each rotary arm of a handgrip has a latching hook. The rotary arms are pivotally connected at opposite sides of the pump main body. When the handgrip is folded on the machine case, the latching hook abuts against a protrusion disposed on a block piece of the machine case, when the handgrip is rotated to be away from the machine case, the latching hooks of the rotary arm is released from the abutted protrusion.

Abstract: This disclosure provides a series connected water cooling structure. Each water cooling head includes a housing, and the housing includes a water inlet and a water outlet. The connecting pipes are connected between the water cooling heads to be in a series manner. The connecting pipes are connected to the water inlets of adjacent water cooling heads to configure the series connected water cooling heads. The water-inlet pipe and the water-outlet pipe are connected to the water inlet and water outlet of the series connected water cooling heads respectively. The water-inlet pump and the water-outlet pump are arranged on the water-inlet pipe and the water-outlet pipe respectively. Therefore, the heat dissipation efficiency is improved.

Abstract: A pair of ultrathin slide rails capable of rapid installation and removal are disclosed. The slide rails are specially configured to provide an ultrathin three-section slide rail mechanism. Switchable auxiliary pins are inserted into threaded holes formed in bent sections at both ends of each slide rail, allowing the slide rails to be rapidly positioned in positioning holes of slide rail posts of a chassis and secured in place by fastening screws. The fastening screws are replaceable by resilient fasteners provided on the bent sections at both ends of each slide rail so that the slide rails can be rapidly installed and removed by virtue of the resilient fasteners and the auxiliary pins.

Abstract: A tool-free rapid assembly/disassembly slide rail device is characterized in that each of a front slide rail and a rear slide rail has an end inserted by rectangular or circular flange positioning blocks of a positioning element and is detachably assembled with a resilient retaining element, wherein the positioning element is retained by the resilient retaining element to allow rapid assembly and disassembly of the slide rail device.

Abstract: A pair of ultrathin slide rails capable of rapid installation and removal are disclosed. The slide rails are specially configured to provide an ultrathin three-section slide rail mechanism. Switchable auxiliary pins are inserted into threaded holes formed in bent sections at both ends of each slide rail, allowing the slide rails to be rapidly positioned in positioning holes of slide rail posts of a chassis and secured in place by fastening screws. The fastening screws are replaceable by resilient fasteners provided on the bent sections at both ends of each slide rail so that the slide rails can be rapidly installed and removed by virtue of the resilient fasteners and the auxiliary pins.

Abstract: A tool-free rapid assembly/disassembly slide rail device is characterized in that each of a front slide rail and a rear slide rail has an end inserted by rectangular or circular flange positioning blocks of a positioning element and is detachably assembled with a resilient retaining element, wherein the positioning element is retained by the resilient retaining element to allow rapid assembly and disassembly of the slide rail device.

Abstract: A tool-free rapid assembly/disassembly slide rail device is characterized in that a slide rail has an end provided with a bent section formed with a plurality of hooks and a plurality of openings, each of the openings being adjacent to a corresponding one of the hooks, and the slide rail further has a resilient slide pin located corresponding to one of the openings of the slide rail. Engagement of the hooks and locking and unlocking of the slide pin allow tool-free rapid assembly and disassembly of the slide rail device.

Abstract: A modular case assembly device including: a lower case, wherein a front wall and a rear wall protrude from a bottom plate respectively, and a left wall and a right wall protrude from left and right sides of the bottom plate respectively, and protruding pieces are punched out from upper edges of the left and right walls; an upper case structured from an upper plate and left and right side wall plates; and resilient springs, each of which is formed a press portion, a through hole and a connecting portion are further respectively formed of the press portion; The protruding pieces of the lower case transversally cross and rest atop the position fixing portions, which assist in increasing stability of the assembled upper case and lower case, and effectively provide convenient and fast assembly and disassembly.

Abstract: A control device of connection studs of a computer includes a plurality of hexagonal grooves which are punched at different distances on a base plate of a computer casing. The groove is provided with a through-hole, hexagonal heads of a set of studs are loosely fitted into the hexagonal grooves, and rods of the studs are loosely transfixed into the through-holes, in order to screw with a circuit board of different size, such that a number of studs to be actually used for screwing can be effectively controlled, and an interference from the unnecessary studs, the circuit board, or other parts can be prevented.

Abstract: A fan device for a computer host includes a rectangular container having an emplacement sink, a plurality of fans each of whose front and rear surfaces are provided with a plurality of latch holes, a plurality of positioning outer jackets made by a flexible material, and a plurality of positioning inner jackets made by a hard material and inserted into positioning holes of the positioning outer jackets, wherein an exterior edge of positioning outer jacket can be latched and positioned on an inner sink wall of the emplacement sink, so as to latch and fix the fans onto a casing of computer host without using screws, and to achieve the effects of absorbing vibration and reducing a noise at the same time.

Abstract: An assembly device for a power supply is composed of a rectangular case which is provided with a transversal spacer grid in a horizontal direction, with an upper spacer grid and a lower spacer grid being vertically installed above and below the transversal spacer grid, to divide the rectangular case into four rectangular positioning holes; and four rectangular power supplies which are inserted and fitted into the four rectangular positioning holes respectively, such that when the four power supplies start, four fans at their front parts can be activated, thereby allowing air inside and outside the rectangular case to be able to flow uniformly.

Abstract: An anomaly control device for a dual fan of computer is composed of a first and second coil, a first and second driving IC, a controller, and a voltage level comparing circuit. The voltage level comparing circuit will perform a voltage dividing to a first and second reference potential signals input from the first and second driving ICs to obtain a third reference potential signal which is compared with a reference pulse wave signal output from an output end of the first driving IC, to determine to output either a high level pulse voltage signal or a low voltage direct-current signal to the controller for processing. The controller will output a control-gate-on or a control-gate-off signal to the first and second driving ICs for enabling the first and second coils to continue to operate or to stop operating.

Abstract: A partitioning device for holding slots of a host computer case, including: a host computer outer case provided with a horizontal upper panel; an upper cover; more than one rectangular partition; vertical connecting holes are defined in an upper side of each of the rectangular partitions, which provide for vertical penetration into the holding slot; bolts bolt into the through holes and into the vertically connecting holes, thereby fixing the partitions within the holding slot, thus partitioning the holding slot and forming at least more than two holding spaces, thereby achieving control of the number and size of the more than two holding spaces so as to accommodate he insertion of modular cases of various size specifications.

Abstract: A server wherein an interior of which is connected with five expansion boards is composed of a server at a height of 1U, an interior of which is fixed with a circuit motherboard on which is welded with expansion slots; a first riser card which is inserted into the first expansion slot; a first expansion board which is inserted into a transversal slot of the first riser card; a second riser card which is inserted into the second expansion slot; a second expansion board which is inserted into a transversal slot of the second riser card; a third riser card which is inserted into the third expansion slot; a third expansion board which is inserted into a transversal slot of the third riser card; a fourth riser card which is inserted into the fourth expansion slot; a fourth expansion board which is inserted into a lower slot; and a fifth expansion board which is inserted into an upper slot; such that the circuit motherboard, and five expansion boards are installed in the server.

Abstract: A vibration absorption for a fan includes a frame, fans, positioning outer jackets, and pins, wherein the positioning outer jacket is inserted into a latching hole of fan, an outer-projected circular ring of pin is attached to a first groove of frame, and a circular ring of ping is attached to a second groove of frame, so as to reduce a vibration force of fans and to increase a flow rate and a flow speed of air flowing out of the fans.

Abstract: A handle device for a modularized casing is composed of a rectangular inner casing; a handle; a shaft pin which is flexibly connected to the pivoting hole of casing and the pivoting hole of handle being rotated against the shaft pin; and an outer casing, the front sliding wall/rear sliding wall can be frictionally sliding and be exerting a force on a circumferential surface of the pillar. The handle can be moved into or out of an emplacing space, so as to prevent the inner casing from being dropped on a ground surface due to an excessive exertion of force upon pulling out the inner casing from the emplacement sink. In addition, a large vibration force will not be created, such that the handle can be tightly locked and positioned on the inner casing, after inserting the inner casing into the emplacement sink.

Abstract: A block-shape container which can be assembled into and disassembled from a computer casing, is composed of a block-shape container; a computer casing, a side of which is provided with a locking slot, with ear parts being located above the insertion slot, with the ear parts being provided with shaft holes, and with an upper wall of the insertion slot being provided with insertion holes; and a press plate, two sides of which are provided with shaft ends to be loosely connected into the shaft holes, a front end of which is formed downward with a projection part for locking; After the container is inserted into the insertion slot, such that the container, which is latched with the cartridges, can be locked on the computer casing without using screws, and can be quickly assembled or disassembled.

Abstract: An assembly of modularized housing and door cover includes a modularized housing; a door cover having a upper part thereof formed with at least one sleeve for putting around the axial pin, and a main body thereof formed with a plurality of ventilation openings; a film having a surface thereof partially adhered to peripheral areas of the ventilation openings using an adhesive layer to form loose-leaf connection; and spring accommodated in the axial pin, and having one end thereof pushed against the wall surface and the other end thereof pushed against an inner wall of the door cover. The modularized housing is provided with excellent ventilation effects therein when assembled with power supply device. The accommodating chambers are not assembled with power supply devices, external air in large amounts is prevented from entering into the idle accommodating chamber, thereby forming negative pressure at the interior of the modularized housing.