51results about How to "Reduce assembly strength" patented technology

The invention discloses a magnetic absorption type connecting structure of a display device, which comprises a front frame, a rear cover and a display screen, wherein the display screen is connected and fixed in the rear cover, and the front frame is in magnetic absorption connection with the rear cover or the display screen through a magnet block. Compared with the prior art, the connecting structure in which the front frame is in magnetic absorption connection with the rear cover or the display screen through the magnet block has the characteristics of high assembly efficiency, low assembly strength, convenience for disassembly, low requirements for assembly technology, low research and development manufacture costs, good assembly quality and attractive appearance. The connecting structure can be widely used in electronic display devices, such as televisions, mobile phones, computer displays and the like.

The invention discloses a diffuser. The diffuser comprises a lower-portion component and an upper-portion component. The upper-portion component is fixed to the lower-portion component, and the upper-portion component and the lower-portion component are formed respectively. The lower-portion component comprises a lower-portion inner wall and a lower-portion outer wall, the upper-portion component comprises an upper-portion inner wall and an upper-portion outer wall, the upper-portion inner wall and the lower-portion inner wall are connected to form an inner air guide surface, the upper-portion outer wall and the lower-portion outer wall are connected to form an outer air guide surface, and the inner air guide surface and the outer air guide surface oppositely define an air guide channel used for diffusing airflow. The upper-portion component further comprises an upper air guide fin connected with the upper-portion inner wall and the upper-portion outer wall, the lower-portion component further comprises a lower air guide fin connected with the lower-portion inner wall and the lower-portion outer wall, and the upper air guide fin and the lower air guide fin are connected to form an air guide fin connected with the inner air guide surface and the outer air guide surface. In this way, breakage, caused by contraction deformation, of the air guide fin is reduced. The diffuser is simple in structure and convenient to assemble and disassemble. The invention further discloses a centrifugal compression type power system and a bladeless fan.

The invention discloses a hexagonal trampoline, which comprises a framework and jumping fabric, wherein the framework comprises a hexagonal bottom frame, a top frame, connecting rods and leg rods, the connecting rods are connected between the top frame and the bottom frame, the leg rods are arranged under the bottom frame and are used for supporting the bottom frame, the jumping fabric is arranged in the sealed area of the bottom frame, the periphery of the outer edge of the jumping fabric is connected with the bottom frame through an elasticated net, and enclosure nets are respectively arranged between the outer edge of the elasticated net and the top frame or between the bottom frame and the top frame. The trampoline has the advantages that a traditional spring which is used as the bounce source of the jumping fabric is saved, the elasticated net is used for providing the bounce for the jumping fabric, protection cushions are saved, the safety performance is improved, and meanwhile, the available space is increased.

The invention relates to a self-locking engaging and disengaging gear for a cutter of a mixing cup. The engaging and disengaging gear comprises a gear-box and a mixing cutter, and is characterized in that one end of the mixing cutter is connected with the gear-box by a drive connection head and the other end thereof is rotatably arranged on the mixing cup, wherein a first cavity is arranged in the mixing cutter, a slide bar connected with a spring is arranged in the first cavity, a locking bar is arranged in the slide bar, one end of the locking bar is connected with the mixing cup, and an engaging and disengaging mechanism is arranged between the slide bar and the locking bar; and a push bar on the drive connection head extends into the first cavity and is connected with one end of the slide bar. The mixing cutter comprises a cutter body and cutter blades arranged thereon, wherein a first cavity is arranged in the cutter body, positioning holes communicated with the first cavity are arranged on one end of the cutter body, an opening is arranged on the other end of the cutter body, and more than one positioning blocks are arranged on the peripheries of the positioning holes. The invention is characterized by simple and reasonable structure, high safety, and low vibration and noise.

An elastic wheel for a rail traffic vehicle comprises a tire, a wheel core and elastic bodies, wherein the tire and the wheel core are radially separated to form radial clearances and are circumferentially separated to form circumferential clearances; N*2 circumferential clearances are circumferentially uniformly distributed, and N is not less than 3; each elastic body is compressed into the corresponding circumferential clearance; the elastic bodies are radially separated from the tire and the wheel core without contact; and the circumferential clearances are arranged parallel to two sides towhich the elastic bodies are clung. With the adoption of the elastic wheel for the rail traffic vehicle, the radial rigidity of the elastic wheel can be effectively reduced; the radial axis rigidityratio of the elastic wheel is reduced; the vibration condition of a lower part of a vehicle spring is reduced; the structure stability and reliability of the elastic wheel is improved; the rigidity demand of the lower part of the vehicle spring in a low-floor vehicle under different route conditions can be met; the use safety of the elastic wheel is improved; the production cost and the maintenance cost of the elastic wheel are low; and the practicability of the elastic wheel is improved. The invention also supplies an assembling method and a rigidity design method of the elastic wheel for therail traffic vehicle.

The invention provides a three-phase five-column type amorphous alloy transformer. The three-phase five-column type amorphous alloy transformer comprises an amorphous alloy, a coil, a clip, a transformer frame and a transformer tank, wherein the clip is divided into an upper clip, a lower clip and a side clip; the transformer further comprises a noise reducing device; the noise reducing device comprises a strengthening bar and a shock-absorbing device; the shock-absorbing device is divided into a first shock-absorbing device and a second shock-absorbing device; the second shock-absorbing device comprises a lower fixing plate and lower shock absorbers; the lower fixing plate is connected with the transformer tank via the lower shock absorbers; a shock-absorbing cavity is disposed on the lower fixing plate; the lower shock absorbers are disposed inside the shock-absorbing cavity; the number (N) of the the lower shock absorbers at the bottom of the lower clip is no less than three; the central location of the bottom of the transformer frame is provided with the lower shock absorber all the time; and the rest of the shock absorbers are centrally symmetric in distribution with respect to the central shock absorber. According to the transformer provided by the invention, the shock passing between the amorphous alloy and the transformer tank is reduced to the maximum by adopting multiple shock absorption, and the anti-shock performance of the noise-reducing device is effectively improved; and the assembling of the shock absorbing device is simple and easy.

The invention provides a noise reduction type amorphous alloy dry type transformer. The noise reduction type amorphous alloy dry type transformer comprises amorphous alloy, a coil, clamping parts, a transformer frame and a transformer case, wherein the coil sleeves a core limb. The amorphous alloy dry type transformer further comprises a noise reduction device, wherein the noise reduction device comprises reinforcing ribs and a damping device, the damping device is divided into a first damping device and a second damping device, the first damping device is arranged at the tops of the upper clamping parts, the second damping device is arranged between the bottom of the transformer frame and the transformer case, and the first damping device is arranged at the tops of the upper clamping parts, and arranged at the tops of the upper clamping parts on the front side and the back side of the coil respectively. The noise reduction device reduces vibration transmission between the amorphous alloy and the transformer case to the uttermost through multiple damping of the reinforcing ribs and the damping device, weakens vibration of the transformer frame, and reduces noise generation, and simultaneously the damping device is simple to assemble, and does not increase assembly intensity of technicians.

The invention discloses an integrated gear chamber. The integrated gear chamber comprises a gear chamber body, a mounting boss, a fuel injection pump mounting hole, a water pump and a water return hole are integrated in the gear chamber body, wherein the mounting boss is arranged above one end of the gear chamber body and is used for allowing an idler or a tensioning wheel to be installed, the fuel injection pump mounting hole is formed in the top of the gear chamber body, and is used for allowing a fuel injection pump to be installed, the water pump is arranged at the other end of the gear chamber body, moreover, a plurality of water inlets are formed in the inclined upper portion of the water pump, a water inlet pipe of the water pump is vertically protruded from the water pump downwards, water inlet of the water pump is achieved through the water inlet pipe, water enters the plurality of water inlets through a water cavity, then the water enters an air cylinder body from the plurality of water inlets, and return water of the air cylinder body is returned to the water inlet pipe of the water pump through the water return hole. Therefore, the integrated gear chamber is simple andreasonable in structure, the number of parts is reduced, the arrangement is convenient, and the cost and the assembly difficulty and strength are reduced.

The invention relates to a sundries removing and grass separating, cutting and smashing integrated mower. A sundries separating and removing device is formed by transversely and uniformly arranging agroup of parallel separating sheets, a through hole is formed in the middle of each separating sheet, and the separating sheets are arranged in a transverse-spaced, equal-amplitude and gradual-shortening manner to form an oblique angle to push and discharge big sundries; after rotating, a spiral sundries removing device can laterally push medium sundries among spiral sheets to transversely penetrate the through holes to be discharged, and small sundries fall from space among the separating sheets; a mowing gap is formed between an upper conical rod and a lower conical rod of a grass separatingdevice; a cutter transversely moves along the mowing gap to cut off grass and sets aside the grass to one transverse side; an inlet is arranged in a tangential direction of moving directions of a grass smashing device and the cutter; the sundries separating and removing device, the spiral sundries removing device, the grass separating device, the cutter and the grass smashing device are fixed into a whole and fixedly connected with a screw connection frame which is assembled with a screw. The mower realizes integration of sundries removing and grass separating, cutting and smashing and is simple in process, convenient to operate and resource-saving.

The invention relates to an automatic efficient spring manufacturing production line and process. A spring product (61) comprises a spiral forming spring (62). The forming spring (62) is provided with two end heads, and the two end heads of the forming spring (62) are connected with a first end cap (63) and a second end cap (64) respectively. The first end cap (63) and/or the second end cap (64) is provided with a hollow hole and a connecting flange; the hollow hole is in welded connection with the end of the forming spring (62), and the connecting flange is used for being connected with a corresponding traction piece; the device is reasonable in design, compact in structure and convenient to use.

The invention provides a fixing structure of an outward-pulling handle and a refrigerator. The fixing structure of the outward-pulling handle comprises a handle part and a fixing par. The handle partcomprises a handle assembly and an inserting component, wherein the handle assembly is connected with the inserting component. The fixing part comprises a first insertion hole and a second insertion hole; the first insertion hole is connected with the second insertion hole; the cross sectional area of the first insertion hole is larger than that of the second insertion hole. The inserting component can be inserted into the first insertion hole and slides into the second insertion hole in a sliding mode, so that clamping can be completed. With the fixing structure of the invention adopted, thehandle can be effectively clamped and fixed to the door body of the refrigerator or the door bodies of other structures; the outward-pulling handle can be effectively fixed. Compared with existing screw installation, the fixing structure can fix the outward-pulling handle more firmly and effectively lock the handle, and therefore, the handle is not prone to loosening after long-time work and can be installed and assembled easily and rapidly.

The invention discloses a pedal frame assembly of an excavator track frame. The pedal frame assembly comprises a pedal frame and a pedal frame accessory, the pedal frame is fixed to a fixing seat of an excavator longitudinal beam through bolts, the pedal frame accessory is fixed to the pedal frame through bolts, and upward bulged blocks with a limiting effect are arranged at the left end and the right end of the upper end face of the pedal frame correspondingly. The pedal frame assembly has the advantages of reasonable and compact structure, and the like, the pedal frame is conveniently and quickly disassembled and assembled, safety and a climbing structure are further enhanced, and the length of the pedal frame can be quickly increased or decreased according to actual needs.

The invention relates to an automatic efficient spring manufacturing process. A spring product (61) comprises a spiral formed spring (62). The forming spring (62) is provided with two end heads, and the two end heads of the forming spring (62) are connected with a first end cap (63) and a second end cap (64) respectively. The first end cap (63) and/or the second end cap (64) is provided with a hollow hole and a connecting flange; the hollow hole is in welded connection with the end of the forming spring (62), and the connecting flange is used for being connected with a corresponding traction piece; the device is reasonable in design, compact in structure and convenient to use.

The invention discloses a two-shot molding process for a Micro USB connector. The two-shot molding process comprises the following steps of (1) putting a metal frame and a plurality of conductive terminals into an injection mold for positioning; (2) carrying out mold closing and first injection molding to mold an insulating body and forming a first module; (3) carrying out mold splitting, separating a terminal positioning part from the insulating body and forming a hollow part on a tongue plate; (4) dragging the first module to a second molding position of a male mold for second injection molding, filling the hollow part with plastic to mold a terminal separating and positioning block, and embedding, molding and fixing the terminal separating and positioning block and the first module together to form a second module; (5) coating the outer surface of the second module with a shielding case, carrying out dispensing between a protrusion part of the insulating body and the inner wall of the shielding case to form a waterproof plate, and embedding, molding and fixing the waterproof plate and a semi-finished product together to form the semi-finished product; and (6) finally mounting agland on the surface of the shielding case to form a finished product. The two-shot molding process is simple in assembly process and the overall strength of the connector is improved.