11results about How to "Guaranteed detachability" patented technology

The utility model discloses a modularized chair, which relates to the field of furniture structures and comprises a chair back main body, armrest main bodies, chair leg main bodies and a seat cushion plate, the chair back main body, the armrest main body and the chair leg main body are respectively formed by splicing a first chair back module and a second chair back module, splicing a first armrest module and a second armrest module as well as splicing a first chair leg module and a second chair leg module. According to the scheme, the modular structure below the chair can be clearly displayed, the ornamental value of the chair is increased, the first splicing blocks and the second splicing blocks are combined in a mutual lap joint, fitting and meshing mode to form the structure of the chair, the chair comprises a backrest, armrests, chair legs and other components, the module connection mode is achieved through customized hole site design, and the modular structure is more attractive. And the connecting sticks with different sizes are used for stable connection, so that the modules can be easily disassembled and recombined.

A combined floating pipe structure suitable for offshore floating photovoltaic platforms is characterized by comprising a core load-bearing pipe, a buoyancy layer, and ribs; the buoyancy layer is disposed outside the core load-bearing pipe and fixed by ribs that are fixedly connected to the core load-bearing pipe. This invention employs a steel-HDPE combined structure or a steel-airbag combined structure, combining high load-bearing capacity, high stability, and high durability.

The utility model relates to the technical field of suspension type air rail transit, in particular to a composite tire for an air rail train and a traveling system, and aims to solve the problems that an existing solid tire is lack of buffering, loud in noise and high in repair and replacement cost. The utility model provides a composite tire for an air rail train. The composite tire comprises a hub, a solid tire and a pneumatic tire, the hub is sleeved with the solid tire, and the solid tire is sleeved with the inflatable tire which is connected with the solid tire in a clamped mode. According to the composite tire provided by the utility model, through the combination of the solid tire and the pneumatic tire, the repair and replacement cost is reduced, the elastic contact between the tire and the walking plate is realized, the buffer is provided for the operation of a train, the operation noise is reduced, the riding comfort is improved, and the normal operation can still be kept after the pneumatic tire leaks air. Meanwhile, proper convex structures are arranged on the outer surface of the pneumatic tire, and groove structures are arranged on the surfaces of the walking plates, so that the stable rolling of the tire can be ensured, the friction force is increased, the limitation is provided, and the wear resistance, skid resistance and stable operation of the tire are ensured.

The utility model discloses a kind of automobile silica gel pipe water pressure demolding devices, solve the problem of low efficiency, great labor intensity of traditional manual demolding. The device includes fixed frame, connector and detachable forming die, and there is support tube in forming die, support tube is connected water pump by water pipe, support tube is connected shunt pipe, and water tank is equipped on the surface of forming die. Its preferred structure has the support sleeve of forming die large diameter end inside and the threaded connection of connector movable end, water pump input end is connected external water tank through inlet pipe, connector sleeve sealing ring, support tube and forming die coaxial and shunt pipe equidistant arrangement, water tank is shunt groove with strip-shaped opening, and shunt pipe and die inner wall have sealing pad layer. Its beneficial effect is to use water pressure to demould easily, improve efficiency, reduce labor intensity, and connection is stable, sealing performance is good, ensure that device normal operation, meet large-scale production demand, reduce personnel injury risk, improve work efficiency and quality.

The invention belongs to the technical field of electronic packaging testing, and particularly relates to a potting material and printed board bonding strength testing structure and method.The potting material is poured between two printed boards, the two printed boards and the potting material form a printed board potting piece, after a positioning ring and a potting ring are removed, positioning baffles are fixed to the upper end and the lower end of a clamping handle, and the potting material is fixed to the upper end and the lower end of the clamping handle; the two clamping handles are clamped on the outer sides of the two printed boards through a strong adhesive under the constraint of the two positioning baffles, so that the printed board potting piece and the two clamping handles form a test sample piece; the two positioning baffles are removed, clamping handles at the two ends of the printed board potting piece are pulled outwards through a universal tensile testing machine, tensile force data are recorded till the printed board is separated from the potting material, the tensile force is the maximum when the printed board is separated from the potting material, and the bonding strength is calculated through the tensile force data. The connection mode of the tested piece and the clamping handle through the strong adhesive gets rid of the limitation of the installation space and the structural form, and the application range and the feasibility of interconnection are improved.

This utility model relates to the field of noise reduction equipment technology and provides an engine noise reduction device, comprising: a noise reduction housing with an exhaust port at its rear end and an opening at the other end; a cover plate disposed at the opening of the noise reduction housing, the cover plate having an inner tube inside the noise reduction housing, a push plate inside the inner tube, an exhaust gas inlet on the cover plate, the exhaust gas inlet communicating with the interior of the inner tube, exhaust gas entering the interior of the inner tube and pushing the push plate to slide, and an elastic element between the push plate and the inner tube. Thus, this utility model, by setting a noise reduction structure that can adjust the exhaust state, ensures that the working state of the noise reduction structure is automatically adjusted when the engine's operating conditions change, thereby effectively removing engine noise and reducing exhaust back pressure, achieving real-time adjustment of the engine's exhaust back pressure.

The utility model provides a connecting device and a steel bar connecting system.The connecting device comprises a first connector, a second connector and a sleeve, one end of the first connector is suitable for being detachably connected with the end of a bar, the other end of the first connector is provided with a first annular flange, and the first annular flange extends along the peripheral side of the first connector; one end of the second connector is suitable for being detachably connected with the end of another bar, and external threads are arranged on the peripheral side of the second connector. A through hole is formed in the sleeve so that the sleeve can be arranged on the peripheral side of the first connector in a sleeving mode, a second annular flange is arranged at one end of the inner wall of the through hole, a first internal thread is further arranged on the inner wall of the through hole, and the first internal thread can be screwed with the external thread so that when the first annular flange abuts against the second connector, the second annular flange can abut against the second connector. And the first joint is connected with the second joint through the second annular flange. The connecting device has the advantages of being convenient to reuse and high in connecting strength.

The utility model relates to the technical field of naked eye display, in particular to a transverse cylinder dynamic naked eye panoramic all-digital immersive media display device which comprises an LED display screen module, a rectangular galvanized steel pipe, a fixing piece and a fixing frame which are distributed in a transverse cylinder mode, and the LED display screen module is formed by splicing a plurality of arc-shaped LED screens. The rectangular galvanized steel pipe is arranged in the axial direction of the fixing frame and used for supporting the LED display screen module, a U-shaped clamp is arranged on the rear side of the LED display screen to serve as a fixing piece, the connection stability is enhanced through an inner arm magnet piece, and rapid installation and disassembly are facilitated. The balance weight base with expansion bolts is arranged at the bottom of the fixing frame, it is ensured that the overall structure is stable and safe, the equipment is reasonable in structure, convenient to install, high in visual immersion and suitable for scenes such as virtual reality, digital exhibition halls and game experience, and high-quality naked eye panoramic dynamic image display is achieved.

The utility model relates to the field of cellulose discharging devices, and discloses a discharging device for cellulose production, which comprises a filtering shell, two filtering plates are arranged in the filtering shell in a sliding manner, sliding blocks are fixedly arranged on two sides of each filtering plate, two pairs of sliding chutes are formed in each filtering shell, and the sliding chutes are arranged in the filtering shell. And rubber clamping blocks are fixedly arranged on the rear end faces of the four sliding blocks correspondingly, and clamping grooves are formed in the positions, located at the four rubber clamping blocks, in the filtering shell correspondingly. According to the utility model, the sliding blocks on the filter plate are arranged on the sliding grooves in the sliding manner, so that the filter plate can be conveniently disassembled, and the rubber clamping blocks are fixedly arranged on the sliding blocks and can be connected with the clamping grooves in the filter shell, so that the connection is tighter, and the possibility that the filter plate is vibrated off due to vibration can be prevented; and when the filter plate is mounted, the first magnetic attraction block and the second magnetic attraction block are magnetically attracted, so that the tightness between the filter plate and the filter shell can be further improved through the arrangement.

The utility model discloses a stirring device and a milk foam machine thereof, the stirring device comprises a support, the support is provided with a through hole, a groove and a handle, and the handle is located above the through hole; the spring ring is used for stirring liquid, and the side face of the support is sleeved with the spring ring through the groove; the two ends of the rotating shaft are provided with a shaft head and a base respectively, and the rotating shaft is inserted into the through hole so that the support can be clamped between the shaft head and the base. The bracket and the rotating shaft are arranged, so that the bracket can be stably and flexibly fixed on the rotating shaft, the bracket is prevented from falling off in the use process, and the stability of the stirring device is ensured; by arranging the shaft head and the base, the support can be accurately clamped between the shaft head and the base, displacement of the support and the spring ring in the rotating process is avoided, and the positioning accuracy of the support is improved.

The invention discloses a flow state filling type adjustable dumbbell and a production method thereof. The adjustable dumbbell comprises a grab handle structure and two balance weight structures arranged at the two ends of the grab handle structure respectively. The counterweight structure comprises a plurality of counterweight units which are detachably connected. And the counterweight unit comprises a counterweight disc. And a closed cavity is arranged in the counterweight disc. And the closed cavity is filled with a flow state filling body. The blow-molded thin-wall containing shell structure is used for bearing low-cost flow state filling bodies such as iron sand, the low-cost balance weight disc is obtained, dumbbell modular design is conducted through the low-cost balance weight disc, the balance weight units based on the flow state filling bodies are detachably stacked in the axial direction, and therefore the balance weight disc is formed. The weight of the dumbbell can be flexibly switched among a plurality of preset gears, the weight can be quickly adjusted on the premise of not depending on a complex mechanical adjusting mechanism, and the use flexibility and adaptability of the dumbbell are remarkably improved.