15results about How to "Realize self-locking effect" patented technology

The utility model discloses an ultrathin liquid tank filter relates to filter technical field, this ultrathin liquid tank filter, including first section bar, and first section bar is provided with a plurality, the corner of first section bar is provided with second section bar, the lower extreme of second section bar is provided with third section bar with the connecting place of first section bar, and second section bar and third section bar all are provided with a plurality, first section bar includes first vertical board, the top of first vertical board is provided with first roof, first vertical board's bottom one side surface is provided with first support bottom plate, and the corner of one side of first roof one end forms the connecting gap between first vertical board, and the scheme has solved the total thickness of existing liquid tank filter generally above 40mm, can not realize installation in the narrow equipment environment, and the installation structure is too many due to spare part, leads to the thickness of liquid tank filter to be difficult to reduce, and the problem of complicated installation.

This invention discloses a construction safety protection device with a supporting structure, relating to the field of construction technology. It includes a lower steel pipe, with an upper steel pipe slidably mounted on top of the lower steel pipe. A ring box is slidably connected to the lower steel pipe. A vertical block is fixedly connected to the outer wall of the lower steel pipe. A sliding groove is provided on the inner wall of the ring box, engaging with the vertical block. An inner air groove is formed between the vertical block and the wall of the lower steel pipe. An outer air groove is formed on the inner wall of the sliding groove, engaging with the inner air groove. Both ends of the ring box are rotatably connected to a lower support box via side boxes, and the lower support box communicates with the ring box via the side boxes. An upper support box is rotatably connected to the end of the lower support box furthest from the side boxes. This construction safety protection device with a supporting structure provides three layers of protection, ensuring the stability of the support and improving the safety performance of the device.

This utility model provides a cable fixing structure for the handover test of a photovoltaic power station transformer substation, belonging to the technical field of cable fixing structures. The cable fixing structure includes: a wedge-shaped metal ring assembly divided into at least three circumferential segments, each segment having a spiral groove on its outer surface; a high-friction flexible pad tightly fitted to the inner circumferential surface of each segment; and an integral elastic steel ring surrounding the outer side of the metal ring assembly, the inner circumferential surface of which has a protruding ridge that engages with the spiral groove. When the elastic steel ring rotates relative to the metal ring assembly, the protruding ridge slides along the spiral groove, driving each wedge-shaped metal ring segment to synchronously contract radially and synchronously generate axial displacement, thus forming a self-tensioning clamp. This solves the problem of loose cable joints and uneven stress during the handover test caused by the inability of traditional fixing structures to adaptively clamp according to changes in cable tension.

The utility model relates to the technical field of machine tool tail frames, in particular to a machine tool tail frame with a locking mechanism, which comprises a sliding rail, a sliding seat is arranged at the top of the sliding rail in a sliding mode, a tail frame body is fixedly arranged at the top of the sliding seat, an ejector rod is arranged in the tail frame body through a threaded rod, and a rotating hand wheel is arranged on the side face of the tail frame body in a matched mode. A locking rod is fixedly connected to the side face of the tailstock body and mechanically connected with the ejector rod, an adjusting rod is fixedly arranged on the side face of the tailstock body, and a clamping plate is arranged at the bottom of the adjusting rod in a matched mode. The self-locking device has the beneficial effects that when the clamping plate and the sliding rail are locked in a friction mode, a main contact and an auxiliary contact in the self-locking structure are driven to make contact, a first electromagnet and a second electromagnet are powered on and magnetically attracted with a magnetic block and the sliding rail respectively, the self-locking effect is achieved, and the locking effect of the machine tool tailstock is further stabilized; and power-on control is conducted through a power-off button at the top of the adjusting rod, operation is convenient, the tailstock can be flexibly moved, and use is convenient.

The utility model discloses an automatic wire arranging and self-locking device for copper wire unwinding, which comprises a positioning column inserted in a central hole of a flat wire coil wound with a copper wire, a spring telescopic rod is mounted on the side wall of the positioning column along the radial direction, and a vertical support roller in rolling connection with the inner wall of the central hole of the wire coil is mounted at the end part of the spring telescopic rod; a fixing rod is vertically fixed to the top of the positioning column, the surface of the fixing rod is rotationally connected with a rotating disc through a shaft sleeve, a supporting rod is horizontally fixed to the rotating disc, a limiting sleeve used for penetrating an unwinding copper wire on a wire coil is fixed to one end of the supporting rod, and a balance bolt is installed at the other end of the supporting rod. The positioning column is installed in the center hole of the wire coil, the rotatable rotating disc is arranged on the surface of the fixing rod on the positioning column, and an unwound copper wire is inserted and supported through the limiting sleeve which is arranged at the end of the supporting rod and provided with the smooth round corners at the upper end and the lower end, so that flaws caused by scraping of the unwound copper wire and the edge of the wire coil are avoided; and the automatic wire arrangement effect is realized.

The utility model discloses a cooking equipment self-locking type door closing safety mechanism, and relates to the field of oven doors, the cooking equipment self-locking type door closing safety mechanism comprises a bottom plate, a rectangular plate is fixedly installed on one side of the bottom plate, a box body is fixedly installed at the bottom of the rectangular plate, and the rectangular plate is provided with a door closing safety mechanism used for automatically opening and closing an oven door. The door closing safety mechanism comprises a circular plate arranged on the rectangular plate. According to the baking oven, the gear motor conducts back transmission, the adapter plate and the adjustable connecting rod can be driven to move, the switching hinge is pulled through the spring steel ball pin, the baking oven door is driven to achieve the closing action, when the second proximity switch is triggered through the inductive sensor, the system closes the gear motor at the moment, and due to the structure of the gear motor and the angle of the adjustable connecting rod, the baking oven door can be closed. After the oven door is closed, the self-locking effect can be achieved, the door opening and closing functions of different oven doors and the adjusting function of different door closing sealing tensioning force are achieved, and therefore the flexibility and safety in the using process can be improved.

The invention discloses a three-dimensional laser scanning device for ship body modeling based on data processing, and relates to the technical field of ship body modeling, the three-dimensional laser scanning device comprises a supporting frame, a laser scanner is fixed on one side of a sliding block, the outer side of a bearing frame is covered with a protective cover, and a second incomplete gear penetrates through the protective cover. According to the three-dimensional laser scanning device for ship body modeling based on data processing, after a ship body model is placed on the supporting table, an air suction head abuts against the bottom of the ship body model, an air suction fan rotates, the air suction head sucks air downwards, so that the ship body model is adsorbed and fixed, meanwhile, an air suction pipeline and the supporting table integrally rotate, and the ship body model is rotated by 360 degrees; after the ship body model rotates by a circle every time, a third circular gear rotates, a sliding block on a first lead screw moves upwards, meanwhile, a sliding block on a second lead screw moves rightwards, the two laser scanners can scan the side face of the ship body model and the top of the ship body model respectively, and therefore three-dimensional scanning work is automatically completed.

The application relates to an RV reducer with an output locking function, which comprises an RV reducer body, an output locking disc, an input shaft limiting screw, a motor connecting shaft and an elastic component. The output locking disc is coaxially fixed outside an output disc of the RV reducer body. An input shaft of the RV reducer body is installed in the reducer body in a displaceable manner along an axial direction. An installation hole is arranged at a power input end of the input shaft, and an outer spline is arranged at the other end. The input shaft limiting screw is connected with a self-locking threaded hole on the output locking disc, and the elastic component is arranged in the installation hole. The output shaft limiting screw and the elastic component are matched to realize axial positioning of the input shaft. The inner end of the motor connecting shaft is drivingly connected with the power input end. When the RV reducer is in a running state, the outer spline of the input shaft is in a disengaged state with a spline hole section of the output locking disc. When the RV reducer is in a locking state, the outer spline of the input shaft is in a matched state with the spline hole section of the output locking disc. The application realizes self-locking of the reducer.

This invention discloses an uninterrupted meter replacement box, comprising a box body, a drive device, a shorting device, and a meter pushing device. The box body is equipped with connecting terminals. The drive device includes a drive handle and a transmission assembly. The first end of the drive handle has a hook, the second end is hinged to the box body, and the third end is hinged to the transmission assembly. The hook is used to engage with the meter's slot when the meter is installed. The drive handle is driven to rotate, causing the hook to disengage from the slot and, through the transmission assembly, to translate the shorting device and the meter pushing device. This allows the shorting device to short-circuit two connecting terminals of the same phase, and after short-circuiting, the meter pushing device pushes the meter out of its position. The meter pushing device is also used to be pushed in the opposite direction by the meter during installation, causing the shorting device to disengage from the connecting terminals and rotating the drive handle until the hook engages with the slot. The uninterrupted meter replacement box provided by this invention enables uninterrupted meter replacement, effectively reduces replacement steps, improves replacement efficiency, and avoids misoperation.

The utility model discloses a locking structure of contactor for ship, include: counterforce mechanism includes connecting rod, and connecting rod is connected with support, interlocking piece and connecting rod cooperation form first locking portion, second locking portion, and interlocking piece is equipped with interlocking hole, and first locking portion, second locking portion form the connecting fixed of connecting rod and interlocking piece, drive assembly includes drive source and lock bolt, and drive source drives lock bolt to move, and the state of opening and closing, and lock bolt extends to interlocking hole, and lock bolt locks interlocking piece, and the state of closing, and lock bolt is from interlocking hole and extends, and connecting rod drives interlocking piece to move, this structure, simple structure, locking effect is good, avoids the misoperation of contactor under the vibration environment, improves the stability of contactor work.

According to the door body assembly and the refrigeration equipment, the door body assembly is fixed through a pure buckle insertion structure, screws are omitted, the assembly process is simplified, and the manufacturing cost is reduced. The door body assembly comprises a decorative strip and a frame. The decorative strip is provided with an abutting wall, a vertical limiting part (comprising a first inclined wall, a second inclined wall, a first positioning part and a second positioning part) and a horizontal limiting part, the first inclined wall and the second inclined wall incline in opposite directions, and the distance between the outer surfaces is gradually increased when the distance is close to the abutting wall. In the assembling process, the frame is inserted into the decoration strip in the extending direction and abuts against the first inclined wall and the second inclined wall, the inclined walls are obliquely designed to guide the frame to slide stably till the end of the frame makes contact with the abutting wall, the first positioning wall naturally abuts against the first positioning part, the second positioning wall naturally abuts against the second positioning part, and the locking effect is achieved. The design limits the movement of the frame in the vertical and horizontal directions, and ensures high assembly precision and strong stability. The locking device is simple to operate, can be locked only through vertical pushing, shortens the assembly time, is suitable for refrigeration equipment such as a refrigerator, improves the durability and attractiveness of a door body, reduces the material management and quality control cost, and realizes structure optimization and function improvement.

The utility model provides a shaft centering horizontal adjusting device which comprises a base provided with an installation cavity and a sliding way, and the sliding way is arranged on the upper portion of the installation cavity and distributed in the horizontal direction; the upper end cover is arranged on the slide way in a sliding mode and fixedly connected with the motor elastic supporting piece; the transmission system comprises a worm, a worm gear in transmission connection with the worm and a linear conversion assembly in transmission connection with the worm gear, at least one end of the worm extends out of the mounting cavity, a rotating shaft of the worm gear is rotationally connected with the bottom face of the mounting cavity, and the linear conversion assembly is connected with the upper end cover and used for converting rotating motion of the worm gear into linear motion so that the upper end cover can slide along the sliding way. The motor level difference can be efficiently and conveniently adjusted.

The utility model discloses an intelligent pneumatic door lock for a universal steaming oven, and relates to the field of steaming ovens, the intelligent pneumatic door lock comprises an air cylinder fixedly mounted on one side of a mounting plate, a telescopic rod is mounted at the output end of the air cylinder, a connecting piece is hinged to one end of the telescopic rod, and a connecting rod is hinged to the bottom of the connecting piece; a cylinder is rotationally mounted at the end, away from the connecting piece, of the connecting rod, and a guide block is movably mounted on one side of the mounting plate. The spring pin drives the axis, the self-locking effect can be achieved after the air cylinder drives the telescopic rod to drive the connecting rod to be in place when the connecting piece is contracted, the effect that an equipment door can still be locked after air is cut off is guaranteed, and due to the spring pin, the manual mode can be switched to when electric control and an air source fail; the spring pin and the guide block drive the tail end of the shaft center to swing and release, the purpose of locking an equipment door is achieved, in-place mechanical locking is achieved through the connecting rod structure, and the situation that an air source fails and a power source fails is avoided.

The utility model discloses a kind of compatible different screen and adjustable height's support, comprising: support assembly, including base and support piece, support piece is set on base, guiding space is set in support piece, the side of support piece is provided with the first guide hole of strip shape, the first guide hole is communicated with the guiding space;Lift core assembly, including moving mechanism, adjusting screw and screen fixing piece, moving mechanism is set in guiding space, screen fixing piece passes through the first guide hole and is connected with moving mechanism, moving mechanism sets screw hole, the top of adjusting screw is set knob piece, adjusting screw is rotatably connected with the top of support piece, the bottom of adjusting screw is connected with the screw hole of moving mechanism by being inserted into guiding space inside.This utility model uses screw rod structure to replace constant force spring structure control screen lifting, simple structure and easy operation, adjusting screw and moving mechanism cooperate to realize self-locking effect, and different size and weight screen can be compatible.

The utility model relates to the technical field of tire mold tools, and provides a tire pattern block mold fixing tool which comprises a base, the top of the base is fixedly connected with a fixing frame, the right side of the fixing frame is fixedly connected with a servo motor, and the left side of the output end of the servo motor penetrates through the fixing frame and is fixedly connected with an adjusting block. And the front side of the adjusting block is fixedly connected with a positioning support. By arranging the servo motor, the adjusting block and the positioning support, the die body can be flexibly switched between the horizontal state and the vertical state, the die body can be rapidly clamped and fixed at different angles in cooperation with the hydraulic cylinder and the pressing plate in the fixing mechanism, and when the die body is in the horizontal state, the die body can be rapidly clamped and fixed. And a rotating motor and a screw rod in the locking mechanism can lock the position of the positioning support, the stability of repairing operation is ensured, and when vertical repairing is needed, the control mechanism drives the clamping plate to drive the clamping frame to limit the adjusting block.