48results about How to "Adjustable clearance" patented technology

The invention provides a refrigerator door which is provided with a micro door capable of being opened independently. The refrigerator door is further provided with a lock catch part, the micro door is provided with a buckling part in lock catch matching with the lock catch part, the buckling part can move in the thickness direction of the refrigerator door relative to the micro door, and the micro door is further provided with a locating piece which is used for limiting movement of the buckling part so as to enable the buckling part to be stably buckled with the lock catch part. Not only are the refrigerator door and the micro door coplanar, but also an interval between the refrigerator door and the micro door can be adjusted, attractiveness in appearance can be guaranteed, the sealing performance is good, and the micro door can be opened and closed smoothly simultaneously.

The invention discloses a spirulina cell-wall breaking shearing device comprising a shearing cavity, wherein an upper cover round plate is fixed at the top of the shearing cavity, a rotor shearing impeller is arranged on a base plate of the shearing cavity by virtue of a driving shaft in a sealed manner, and the driving shaft penetrates through the base plate of the shearing cavity and is connected with a motor and is connected with a hole formed in the base plate of the shearing cavity in a sealed manner; a plurality of stator blades are uniformly arranged in the peripheral direction of the base plate of the shearing cavity at intervals, the head part of each stator blade is provided with symmetrical blade surfaces, the top parts of the two blade surfaces form a cutting edge, a stator tooth blade is arranged between the blade surfaces of every two adjacent stator blades respectively, and gaps are formed among the cutting edges of the stator blades, the cutting edges of the stator tooth blades and the rotor shearing impeller; a material blocking circular ring is clamped on the inner end surface of the upper cover round plate, the bottom of the material blocking circular ring presses against the stator blades and the stator tooth blades, and a material guide circular ring is also fixed on the inner end surface of the upper cover round plate by virtue of a fastening piece and is positioned at the upper part of the rotor shearing impeller; and a feeding cavity is formed in the middle part of the upper cover round plate, and a discharge opening is formed at the bottom of the side wall of the shearing cavity. The spirulina cell-wall breaking shearing device has a good shearing and breaking effect.

The invention relates to a conveying device used for conveying a container (11), especially small bottles. The conveying device comprises a conveying element (2), a lateral guiding device (3), and an adjusting device (4). The container (11) can be conveyed along a conveying direction (T). The lateral guiding device is disposed on the vertical side of the conveying element (2). The lateral guiding device (3) can be adjusted by the adjusting device in a horizontal direction (Q) horizontal to the conveying direction (T).The lateral guiding device (3) can be moved synchronously with the conveying element (2)to absorb the force transmitted by the container (11) in a horizontal direction.

A knee-joint activity and inertia-combined adjusting control outer fixer comprises an upper C-shaped hole ring arranged at a thighbone far end, and a lower C-shaped hole ring arranged at a tibia near end; the upper C-shaped hole ring is upwards connected with two upper tubular connection rods by a T-shaped connection plate; two dual-groove steel needle fixing clamps are fixed on the two upper tubular connection rods; point ends of two thread semi-needles are fixed on a femoral shaft; an arc arch is connected between the upper C-shaped hole ring and the upper tubular connection rods; the tail ends of the thread semi-needles are fixed with a single-groove steel needle fixing clamp on the arc arch; the point ends of the thread semi-needles are fixed on the femoral shaft. The upper C-shaped hole ring and the lower C-shaped hole ring are connected by a knee elbow joint device. The knee-joint activity and inertia-combined adjusting control outer fixer is firm in static fixing and balanced in dynamic fixing, can adjust and control the kneel joint gap, can promote the fracture healing and reduce or avoid the stiffness of the knee joint and is an advanced and excellent treatment method for the knee joint fracture, particularly the severe comminuted fracture.

The invention relates to the electric power aerial line lightning protection technical field, and discloses an insulator lightning protection device capable of adjusting a discharging gap; the insulator lightning protection device comprises an insulator; the insulator comprises a porcelain body, a core bar, and a steel cap; the steel cap has a connecting lug with a connecting hole; the core bar is provided with a rod electrode; one end of the rod electrode is provided with threads; the core bar is provided with an electrode positioning hole; the rod electrode penetrates the electrode positioning hole and is locked by a nut; a stud is arranged in the steel cap connecting hole; one end of the stud is welded with a connecting rod; the other end of the stud is locked by a nut; a rectangular hole penetrating two sides of the connecting rod is arranged outside the connecting rod; a slide piece is arranged in the rectangular hole; the slide piece outer end bends and extends to form a connecting piece; the connecting piece is provided with a plate electrode; the side face of the connecting rod is provided with a locking bolt used for fixing the slide piece. The insulator lightning protection device can adjust the gap, and is stable in lightning protection effect.

Online synchronous continuous feeding, uncoiling and straightening equipment of a bearing roller header comprises a hanging shaft used for laying a bearing steel material, a pulling pair wheel driven by a speed-variable motor, and a straightening device used for straightening the bearing steel material. Continuous power is provided to the bearing steel material, pulling speed can be adjusted according to the bearing steel material, and straightening work is completed in the process of conveying.

Online synchronous continuous feeding, uncoiling and straightening equipment of a bearing roller cold header comprises a hanging shaft used for laying a bearing steel material, a pulling pair wheel driven by a motor, a trigger switch, a controller for controlling rotation of the motor, and a straightening device used for straightening the bearing steel material. Power is continuously provided to the bearing steel material, conveying speed of the bearing steel material is adjusted by adjusting working speed of the cold header or a punching machine to ensure the conveying speed to be uniform with using speed, synchronous working is realized, and straightening work is completed in the process of conveying.

The invention relates to a component of an offset printing machine, in particular to an easy-installation and high-strength carbon fiber printing cylinder support comprising a printing cylinder and a central solid shaft, wherein a support body is arranged between the printing cylinder and the solid shaft. The support is characterized by compositing a carbon fiber layer, an EVA elastic body layer and a glass fiber layer to be cylindrical. The support is high in strength and adjustable in strength by adjusting the thickness of the carbon fiber layer and the thickness of the glass fiber layer. In addition, the support has certain elasticity and is convenient to install, and the play of the cylinder can be adjusted by adjusting the thickness of the EVA elastic body layer.

The invention relates to a rotary cone valve, in particular relates to a ceramic rotary cone valve, and belongs to the technical field of rotary cone valves. The ceramic rotary cone valve comprises a shell, wherein the shell is a metal shell or a ceramic shell, has a split structure or an integrated structure, and is in threaded connection with a flange or a flange pressing ring; an intermediate is arranged in the shell and is made of ceramics or polytetrafluoroethylene; and a ceramic valve core is sleeved in the intermediate in a close fit manner. According to the ceramic rotary cone valve, a clearance between the ceramic valve core and the intermediate can be adjusted, so that an optimal sealing effect is achieved; a ceramic flange liner is in close fit with the flange pressing ring through an additionally arranged step, so that the problem that the ceramic flange liner easily drops off at high temperature in the prior art is solved; the intermediate can be made of a polytetrafluoroethylene material, so that the ceramic rotary cone valve is high in sealing performance, cannot be scratched, is small in torque, and is smoothly turned on and turned off; and with the structure, the ceramic rotary cone valve is long in service life and low in using cost.

The invention relates to a ceramic plug valve, which comprises a metal shell, wherein an upper end cover is screwed above the shell; a lower end cover is screwed below the shell; a ceramic or other nonmetal material middle body is arranged in the shell; a ceramic valve element is tightly matched in the middle body; a valve rod hole is formed in the center of the upper end face of the valve element; a valve rod penetrates through the upper end cover and is matched with the valve rod hole; a circular or V-shaped through hole is formed in the middle of the valve element; the valve element is divided into an upper part and a lower part by taking the through hole as a basis, the valve element is an upper cone with thick upper part and thin lower part or a lower cone with thin upper part and thick lower part, and the taper is 0-20 degrees. The ceramic plug valve is characterized in that the joint between the thick end face of the valve element and the side face is provided with a groove or arc. Compared with the prior art, the ceramic plug valve has the advantages that the structural design is reasonable; the service life is long; the cost is low; no torque is produced by the valve under any pressure and only area friction force is produced; and the ceramic plug valve has the advantages of wear resistance, erosion resistance, corrosion resistance, high temperature resistance and the like.