50results about How to "Increase or decrease in size" patented technology

The invention discloses a general bottle stopper. An internally concave bottle mouth accommodation groove is formed in the lower end surface of a casing of the bottle stopper, a bottle stopper part of an external aerated air bag and an air pressing part of an internal aerated air bag are arranged in a through hole in the bottom part of the accommodation groove, an air flow control piece is arranged on each of two sides of the air pressing part of the aerated air bag, a positioning guide pin I penetrates through and is connected with the air flow control pieces and then the top end of the positioning guide pin is left in a guiding hole of a driving plate, a clamping connection part of each air flow control piece is clamped in a clamping groove of the driving plate, three clamping claws connected through a positioning guide pin II in a penetrating way are arranged on the lower end surface of the driving plate, one end of each clamping claw is in clamped connection with the driving plate and the other locking end of the clamping claw is telescopically arranged in a guiding-out hole formed in the side wall of the accommodation groove, two ends of an elastic ring are fixedly connected to the driving plate and a connecting seat, a push rod drives the driving plate to rotate so that the clamping claws lock the bottle mouth, and simultaneously the air flow control pieces push the air pressing part of the aerated air bag to unequally and radially expand the volume of the bottle plug part of the aerated air bag in the bottle mouth, and therefore the bottle mouth is tightly plugged and sealed.

The disclosed bi-axis circuit board comprises: a top circuit board connecting with the circuit in top cover of a fold-type device, a bottom circuit board connecting with the circuit in the fold-type device body, and a connection board to form a height difference and a ninety included angle between the top and bottom boards.

The invention discloses an energy feedback shock absorber with damping stiffness changing along with a road condition. The energy feedback shock absorber adopts a combined piston structure, through the combination of a first bent circuit throttle oil way and a second bent circuit throttle oil way, oil liquid in the upper cavity of a cylinder barrel is connected with a hydraulic system through the first bent circuit throttle oil way and the first oil way of a piston rod, oil liquid in the lower cavity of the cylinder barrel is connected with the hydraulic system through the second bent circuit throttle oil way and the second oil way of the piston rod, pressure oil flow circulation generation is realized, and the vibration energy of the shock absorber is converted into storable electric energy; a gas bag arranged at the bottom of the cylinder barrel is communicated with an oil-gas separation pressure balance type energy accumulator gas cavity, the volume of the gas bag is increased or decreased through the elastic deformation of the gas bag, and the problem that the changes for the volumes of the upper cavity and the lower cavity of the cylinder barrel are unequal when the piston slides is effectively solved; a control device appropriately delays the opening time of a related electromagnetic check valve according to pressure jump feedback obtained by a first pressure sensor and a second pressure sensor, and the adaptive control that the damping stiffness of the shock absorber changes along with the road condition is realized, so that the frequency and amplitude of vibration between a frame and an axle is reduced, and the frame can be effectively protected from being damaged.

The invention relates to an anorthite intermediate used as an industrial kiln high-temperature heat-insulating material. A calcium silicate material, an aluminum silicate material, other aluminum-containing and / or calcium-containing materials, and the like are adopted as raw materials. Silica sol and cellulose or / and polyacrylamide are adopted as binding agents. The anorthite intermediate is prepared by adding water, mixing, performing compression molding and drying. The anorthite intermediate has good mechanical strength and heat insulating performance, can be converted into anorthite resisting to higher temperatures by reactions in a using environment with high temperatures of an industrial kiln, and can resist a temperature of 1200 DEG C.

The invention discloses a device for transferring a pallet of an automatic inserting machine, comprising several transferring devices and a transfer bar connecting them, the transfer bar has a multi-layer structure, and the transfer bar includes a bar main body, The outer side of the strip main body is a contact part, the inner side of the strip main body is a wear-resistant layer, the transfer device includes an outer frame, the inner bottom of the outer frame is provided with an I-shaped plate, and an I-shaped plate is arranged above the I-shaped plate , above the two ends of the bar are provided with side fixing blocks, between the two side fixing blocks is provided with a horizontal angle support frame, the side of the horizontal angle support frame is provided with a vertical angle support frame, above the vertical angle support frame Two bearings are fixed through the upper arc plate, and the bearings are sleeved at both ends of the grooved roller. The inside of the grooved roller is provided with a carbon fiber rod. The outline of the wear-resistant layer is semicircular. The outer surface of the contact part The circle is a plane. The automatic sheet inserting machine transfers the pallet device, has good bearing capacity, and the pallet structure is stable and reliable, and is suitable for popularization and use.

The invention belongs to the technical field of luggage, and is specifically a multifunctional suitcase with variable volume; it includes a box body, a pull rod, a telescopic clamping device and a walking device; wherein, the box body includes a bottom shell, a top shell, Folding part and folding door; the shape of the folding part is wave after folding; the folding door is arranged on the front of the folding part; a group of running devices are arranged symmetrically on the back of the box body; the running devices are used for the luggage The box walks; the back of the box is provided with the pull rod; a group of telescopic clamping devices are arranged symmetrically on the left and right of the box; the telescopic clamping device is used to control the expansion and contraction of the box; Stretch or compress the folding part of the box body, thereby realizing the change of the size of the box body, thereby meeting the needs of users for suitcases of different sizes, and further reducing the size of the suitcase as much as possible while ensuring sufficient storage space, thereby facilitating Carrying and consignment by users.

The invention provides an automatic dedusting and demoulding agent brushing device for a tunnel steel trolley. The device is characterized in that the device is composed of an automatic dedusting device and an automatic demoulding agent brushing device and is of a portal-shaped frame structure, and the automatic demoulding agent brushing device is arranged behind the automatic dedusting device and is fixed to an inner wall of a tunnel through a fixing and adjusting device; an automatic dedusting and demoulding device for the tunnel steel trolley is arranged in advance, a pump machine or a sprayer and all angle grinders with steel wire brushes as angle grinding pieces are started when the trolley is moved in place, and accordingly the steel trolley passes through the automatic dedusting device firstly in the moving process, a steel trolley formwork is ground and dedusted through the angle grinding pieces of the angle grinders in the passing process, then the steel trolley passes through the automatic demoulding agent brushing device, demoulding agents are continuously pressed into rolling cotton brushes through steel tubes by means of the pump machine or the sprayer in the automatic demoulding agent brushing device, and the rolling cotton brushes roll due to friction force of the trolley and finish demoulding agent brushing construction of the steel trolley formwork.