9results about How to "High adjustment sensitivity" patented technology

The utility model relates to the technical field of headboxes, in particular to a headbox flow control device. Comprising a headbox; a stirrer is arranged on one side of the headbox; the stirrer is connected with the headbox through a conveying pipe; the stirrer is connected with the conveying pipe through a conveying pump; an adjusting box is mounted between the conveying pipe and the headbox; one end of the conveying pipe is connected with the conveying pump; by arranging the adjusting box, when the conveying pump conveys flow pulp containing foam to the adjusting box, the foam in the flow pulp floats upwards to the upper end of the liquid level under the action of buoyancy, so that the flow pulp can flow into the flow pulp box through the connecting pipe at the lower end, the amount of the foam entering the flow pulp box is reduced, the density of a calcium silicate board is increased, and the production efficiency is improved. The strength and the stability of the plate are improved, bubble holes formed in the surface of the plate are reduced, and the appearance quality and the surface flatness of the plate are improved; therefore, the practical application effect of the utility model is effectively improved.

The present invention relates to the technical field of pressure reducing valves, and specifically to a multifunctional valve with an adjustable floating valve seat. A multifunctional valve with an adjustable floating valve seat comprises a valve body, a suspended valve seat and an adjusting device. The valve body comprises a valve cover and a valve body. The valve cover is fixedly connected to the valve body. The suspended valve seat is arranged inside the valve body. The adjusting device is arranged inside the valve cover. A safety cap is arranged on the top of the valve cover. An adjusting port is arranged on one side of the valve cover. A sealing plug is arranged inside the adjusting port. The present application provides a suspended valve seat, which has no contact with the valve body, greatly reduces the friction between the valve body and the valve seat, can effectively improve the pressure accuracy and sensitivity of the valve, reduce the wear of the valve seat during use, and improve the service life of the equipment; reinforcement grooves are arranged on the connecting surface of the valve body and the valve cover, which can efficiently fix the diaphragm and make the diaphragm evenly stressed, which can not only improve the reinforcement effect of the diaphragm, but also effectively prevent the diaphragm from falling off during creeping.

The utility model discloses a motorcycle front magnetorheological damper and motorcycle, including working cylinder, guider assembly, piston assembly, floating piston assembly, magnetorheological fluid, outer tube support assembly, ECU control unit and sensor, guider assembly, piston assembly and floating piston assembly are located in the inside of working cylinder, and piston assembly includes built -in solenoid and damping passage, and damping passage penetrates the upper and lower end of piston assembly, and magnetorheological fluid fills the working cavity between guider assembly and floating piston assembly, and, outer tube support assembly is at least partially coated in the outside of working cylinder, and is connected with guider assembly, and ECU control unit and solenoid electric connection are used for the signal adjustment input to solenoid's current according to sensor, like this through solenoid and the combination of magnetorheological fluid, ECU control unit can real -time regulation magnetic field intensity, change the viscosity of magnetorheological fluid to dynamic control damping force.

The utility model discloses a kind of gas tank flow regulating valves, it includes installation valve body, regulating valve piece and gas outlet component, the upper end of this installation valve body is recessed with adjusting slot, the regulating valve piece can be adjusted and connect in this adjusting slot, the lower side end of this adjusting slot is opened with gas outlet hole, the gas outlet component is fixedly connected in this gas outlet hole, the inner bottom of this adjusting slot is equipped with sealing cone groove, the bottom of this regulating valve piece is equipped with the sealing cone head compatible with this sealing cone groove, the sealing cone head is embedded into the sealing cone groove and forms conical surface sealing connection.The gas tank flow regulating valve of the utility model is realized by screw thread transmission the up-and-down movement of regulating valve piece, so that sealing cone head generates controllable gap in sealing cone groove, to realize the accurate regulation of gas flow, in closed state, sealing cone head and sealing cone groove are closely combined, form high-efficiency conical surface sealing, ensure that gas circuit is completely cut off.

The present invention relates to the field of laser technology, and in particular to a front and side integrated adjustable laser marking device, wherein a light outlet is arranged at the bottom of a laser marking head, four vertical rods are fixedly arranged in an array at the outer periphery of the bottom of the laser marking head, a focusing bracket is arranged inside the four vertical rods for sliding up and down, a surrounding plate is arranged between adjacent vertical rods, and a movable mirror plate is arranged on the surrounding plate on one side; a first wedge is slidingly arranged at the bottom of the laser marking head, the first wedge is located at a position far away from the mirror plate, a reflection assembly is arranged on the first wedge and the mirror plate, a second wedge is arranged below the first wedge, the bottom of the second wedge is fixedly arranged on the top of the focusing bracket, when the top of the second wedge presses the first wedge upward, the first wedge moves horizontally in a direction close to the light outlet; in the laser marking process, after marking the upper surface, there is no need to flip the sample, and by pressing the laser marking head downward, the first reflector is driven to move to the light outlet, so that the marking laser is aimed at the side of the sample, and fast and efficient front and side laser marking of the sample is achieved.

The invention relates to a double C-type horizontal fire channel structure of a heat recovery coke oven and a working method thereof. A plurality of secondary air inlets are respectively arranged at the lower parts of the sealing walls on the machine side and the coke side of the heat recovery coke oven. A longitudinal central partition wall is arranged below the carbonization chamber to divide the lower space of the carbonization chamber into two independent spaces. Each independent space is respectively composed of three horizontal fire channels to form a double C-type horizontal fire channel. The three horizontal fire channels are a middle fire channel, an intermediate fire channel and a side fire channel in order from the longitudinal central partition wall to the furnace wall. The middle fire channel and the intermediate fire channel are separated by an L-shaped partition wall, and the intermediate fire channel and the side fire channel are separated by a T-shaped partition wall. The invention can shorten the flow of smoke in the horizontal fire channel, reduce system resistance, improve air volume adjustment sensitivity, improve the controllability and uniformity of the temperature at the bottom of the carbonization chamber, shorten the coking time, reduce energy consumption, and improve production efficiency.

The utility model discloses an adjusting device of an automobile hub spinning machine, which belongs to the technical field of automobile hub spinning machines and comprises a base, a plurality of limit shafts are slidably connected in the base, the tops of the limit shafts are fixedly connected with a supporting plate, the bottoms of the limit shafts are fixedly connected with second plates, and the second plates are fixedly connected with the supporting plate. The bottom of the second plate is rotationally connected with a deflection mechanism. A pushing mechanism meshed with the fluted disc is slidably connected into the base, a second air cylinder slidably connected with one end of the pushing mechanism is fixedly connected into the base, and the other end of the second air cylinder is connected with a ventilation mechanism. Vertical lifting adjustment of the lower die base is achieved through the deflection mechanism, the lever principle is used for amplifying displacement, adjusting sensitivity is improved, air pressure change is converted into fluted disc rotating motion through the pushing mechanism, transmission stability and adjusting precision are ensured, and power is transmitted through the ventilation mechanism by means of air pressure. And the stability of the lower die holder in the lifting process is ensured.

This utility model discloses a presser foot head with automatic pressure adjustment, including a presser foot handle and a presser foot base plate disposed at the bottom of the presser foot handle; the bottom of the presser foot base plate has a recess, and multiple movable plates are engaged in the recess; a first spring rod is longitudinally arranged between the movable plates and the top of the recess; a first airbag is provided at the bottom of the movable plate, and a contact plate is provided at the bottom of the first airbag; a second spring rod is respectively provided on both sides of the recess at the connection of the movable plates, and a friction plate is provided on the second spring rod; a second airbag is provided between the friction plates that are in contact on both sides of the same movable plate through a connecting rod; by setting a linkage structure of movable plates, first airbags and second airbags that are slidably connected to the recess of the presser foot base plate, the friction force between the movable plates and the friction plates can be automatically adjusted according to the fabric thickness, thereby dynamically controlling the pressure applied by the presser foot to the fabric; achieving precise pressing.

The utility model relates to the technical field of spliced screens, and discloses a bendable supporting structure of a spliced screen, which comprises a display screen main body and a supporting block, a back surface groove is arranged on the back surface of the display screen main body, a plurality of groups of movable sleeves are movably arranged in the back surface groove, sliding rods are slidably arranged on the movable sleeves, and the supporting block is arranged on the back surface of the display screen main body. The free ends of the multiple sets of sliding rods are jointly and fixedly provided with an extension frame. The extension frame is pushed inwards, the extension frame drives the movable sleeve and the sliding rod to be folded, so that the extension frame is stored in the back face groove, the display screen body is rapidly connected with the supporting plate through cooperation of the supporting block and the extension frame, and at the moment, the supporting plate plays a role in supporting the display screen body; the orientation and the angle of the supporting block can be conveniently adjusted by freely bending the deformable metal piece, so that the supporting block drives the display screen body to adjust the orientation and the angle, and the effect of improving the adjustment sensitivity of a single screen is achieved.