18results about How to "Restricted movement" patented technology

The application relates to a foot end structure, a supporting leg assembly and a robot, and the foot end structure comprises a foot end part, a foot bottom buffer, a fastening assembly and a supporting part. The application is characterized in that a second accommodating space is arranged in the foot bottom buffer, at least part of the side wall of the second accommodating space forms a foot bottom connecting part, a supporting part is arranged in the second accommodating space, the supporting part is arranged opposite to the foot bottom connecting part, and the supporting part is connected with the other side of the abutting part. In this way, the abutting part can be limited to move in the second accommodating space, so that the problem of low assembly efficiency caused by the movement of the first fastening part in the process of fixing connection of the second fastening part and the first fastening part can be avoided or improved, and the connecting strength between the foot bottom connecting part and the locking part is improved. In addition, the foot bottom connecting part is clamped and fixed between the locking part and the abutting part of the rigid structure, so that the locking force is further improved, and the problem of falling off of the foot bottom buffer is improved or avoided.

The utility model discloses a heating lamp tube convenient to install and position in copying machine, including lamp tube installation mechanism, the lamp tube installation mechanism comprises the mounting seat, heating lamp tube and fixed establishment, the fixed establishment installs in the both sides of mounting seat, heating lamp tube installs in the middle of fixed establishment, heating lamp tube comprises the lamp tube and high temperature resistance porcelain head, the fixed establishment comprises the mounting bracket, the clamping plate and the bottom plate, the mounting bracket installs in the both ends of mounting seat, the bottom plate installs in the bottom end of mounting bracket, the clamping plate is located the upside of bottom plate, the bottom plate upper end rotation has the threaded rod installed, when the utility model distance adjustment is to the appropriate position, and the clamping plate and bottom plate jointly to the high temperature resistance porcelain head of heating lamp tube both sides carry out clamping fixed, realize the accurate installation positioning of heating lamp tube in copying machine, and meanwhile high temperature resistance porcelain head can insulate the high temperature that lamp tube works produces, avoids the damage of high temperature to fixed establishment, guarantees the stable operation of device whole.

The application belongs to the hoisting technical field of concrete columns, in particular to a hoisting device for anti-leakage treatment of concrete outer walls, which comprises a rear support, a connecting frame is fixedly installed on the front side of one side of the rear support through bolts, an arc-shaped arch part is arranged in the middle of the upper surface of the connecting frame, a connecting groove rail A is arranged on the side of the connecting frame away from the arc-shaped arch part at the top, a supporting shaft is movably connected to the inner arc surface of the connecting groove rail A, and a front panel is connected to the end of the supporting shaft away from the rear support. When unexpected situations such as rope breakage and uncontrolled sliding of the supporting shaft occur, the locking and anti-falling assembly can quickly trigger automatic locking, cut off the falling trend from multiple links such as limiting the swing part from moving and preventing the supporting shaft from moving, effectively avoiding the falling risk of the front panel, workers and tools, and improving the safety protection capability of high-altitude operation of the concrete outer wall anti-leakage.

This invention discloses a heat- and impact-resistant protective conduit for MPP cables and its preparation method, relating to the field of polymer materials technology. The components, by weight, include: 20-22 parts of a toughening dispersion made from anhydrous ethanol and terminally epoxy-terminated hyperbranched polysiloxane; 33-35 parts of a boron-nitrogen co-doped carbon dot made from citric acid, boric acid, and urea, first compounded with phytic acid and piperazine, then compounded with modified zirconium phosphate prepared by hexadecyltrimethylammonium bromide intercalation, and then modified with silane coupling agent KH-560 to form a flame retardant synergist; 12-14 parts of polyolefin elastomer; 2-2.5 parts of magnesium aluminum hydrotalcite; 0.2-0.24 parts of antioxidant; 0.2-0.3 parts of calcium stearate; 0.2-0.3 parts of polyethylene wax; and 100-120 parts of polypropylene. The introduction of the flame retardant synergist and other raw materials in this invention effectively improves flame retardancy, aging resistance, impact resistance, low-temperature resistance, and heat resistance.

A vehicle vision device is provided. In a door rearview mirror device, the extension side of a first light guide originating from a first LED and the extension side of a second light guide originating from a second LED are on the same side, and the first and second light guides are housed in a housing. Here, light-shielding ribs within the housing block light between the first and second light guides. Therefore, it is possible to suppress light incident between the first and second light guides.

The application discloses a kind of automatic ink injection equipment for remanufactured ink cartridge refinish processing, and is related to the technical field of remanufactured ink cartridge refinish processing.The bottom end of the exhaust pipe penetrates the exhaust tank and extends into its interior, and the inner diameter of the exhaust pipe gradually increases from top to bottom.A float ball is installed inside the exhaust pipe.The automatic ink injection equipment for remanufactured ink cartridge refinish processing cooperates with the exhaust tank and the exhaust pipe to form a storage space before ink is injected into the ink cartridge, allowing ink to accumulate in the exhaust tank.The air in the ink flows upward through the gap between the exhaust pipe and the float ball in the accumulation space while the ink is being filled.The float ball can block the exhaust pipe when the ink accumulation level is too high.This design allows for an exhaust process before the ink is filled, preventing ink from splashing when the needle tube is used to fill the remanufactured ink cartridge due to the simultaneous discharge of gas and ink.

This invention relates to the field of automotive component structure technology, specifically to a high-braking lamp mounting structure and disassembly method. It includes a trunk lid and a high-braking lamp. The trunk lid comprises an inner panel and an outer panel. When the trunk lid is closed, the outer panel has a mounting groove recessed downwards in the Z direction at its X-axis front end. The high-braking lamp is mounted within the mounting groove, and when the trunk lid is closed, the X-axis front end of the high-braking lamp connects to the X-axis rear end of the rear windshield. A fixing structure for securing the high-braking lamp within the mounting groove and an arrangement structure for facilitating the installation of wiring harnesses on the high-braking lamp are provided between the inner panel, outer panel, and high-braking lamp. The high-braking lamp mounting structure of this application is very simple. The high-braking lamp is located outside the rear windshield, unobstructed, easy to install and disassemble, increases the storage capacity of the rear cargo area while increasing the luminous area of ​​the high-braking lamp, and has significant potential for widespread application.

The utility model discloses a distribution frame and a cabinet. The distribution frame comprises a frame body and a module box, the frame body defines at least one mounting position for mounting the module box, the module box comprises a first main body part, the first main body part is provided with a first end and a second end, and the module box further comprises two locking parts which are respectively arranged at the first end and the second end of the first main body part. The frame body comprises a second main body part and two matching parts which are respectively connected with the corresponding locking parts so as to limit the displacement of the module box; the module box is configured as follows: the locking part of the first end can be separated from the corresponding matching part, so that the module box can be moved out of the mounting position in the direction from the second end to the first end; or, the locking part of the second end can be separated from the corresponding matching part, so that the module box can be moved out of the mounting position from the first end to the second end. The distribution frame can be installed and detached in two directions, and the flexibility and convenience of installation and maintenance of the distribution frame are improved.

This utility model provides a wire tensioning structure for a stone cutting machine, including a frame, a plurality of transition rollers respectively disposed around the frame, a top wire mechanism disposed at the upper end of the frame, a tensioning roller disposed on the frame, a rotating mechanism disposed between each of the transition rollers and the tensioning roller for driving each transition roller and the tensioning roller to rotate together, and a cutting wire disposed between each of the transition rollers, the tensioning roller and the top wire mechanism for tensioning the cutting wire, and further including a tensioning roller disposed on the frame, and an auxiliary tensioning mechanism disposed between the tensioning roller and the frame for driving the tensioning roller to move to increase or decrease the tension of the cutting wire on the transition rollers, the top wire mechanism and the tensioning roller.

This invention discloses an aircraft maintenance ladder and method, including a walking ladder assembly. The walking ladder assembly includes a base frame, with a step fixedly connected to the upper side of the base frame; a lifting assembly is fixedly connected to the step, and the lifting assembly is threadedly connected to an adjusting assembly, which is fixedly connected to two sets of maintenance components; each maintenance component includes an L-plate, which has a first adjusting groove and a second adjusting groove; a first motor is fixedly connected to the L-plate, and the output shaft of the first motor passes through the L-plate and is fixedly connected to a first screw; the first screw is threadedly connected to a protruding plate, which is nested within the first adjusting groove. This invention relates to the field of aircraft maintenance technology, specifically to an aircraft maintenance ladder and method. The technical problem this invention aims to solve is to provide an aircraft maintenance ladder and method that facilitates the maintenance of the aircraft's vertical tail.

This invention relates to a C x N y This invention relates to a Pt@C fuel cell catalyst and its preparation method, belonging to the field of fuel cell catalyst technology. First, Pt@C is synthesized via a solvothermal reaction using ethylene glycol reduction. Then, it is mixed with a nitrogen-containing polymer material and cobalt chloride hexahydrate, and subjected to reduction in a reducing atmosphere, high-temperature treatment, carbon pyrolysis, and alloying to obtain porous nitrogen-containing carbon-coated Pt@C. x N y @PtCo / C catalyst. In the prepared catalyst, the porous coating layer significantly reduces the poisoning of catalyst particles by resin during fuel cell operation, improves cell activity, and extends cell life, exhibiting excellent activity and durability.

The present application relates to the technical fields of mine filling, in particular to a kind of mine goaf partition isolation and directional filling integrated equipment, including center column, one end of center column is communicated with injection tube for infusion paste, the end of injection tube away from center column is communicated with transport equipment for transporting paste;Center column is equipped with frame forming mechanism for keeping paste solidification forming around;Frame forming mechanism includes spacing plate evenly arranged along the length direction of center column, the end of injection tube away from transport equipment is communicated with filling bag loaded with paste, and slit for small and medium-sized particles in paste to pass through is opened on filling bag;Current height corresponding spacing plate is fixedly connected with filling bag between next layer height direction, and pull rope is used to push spacing plate to center for closing based on the weight of filling bag;The present application strengthens the support effect of paste initial solidification process on goaf, improves the geological stability in goaf isolation and filling process.

The utility model relates to ophthalmic operation technical field discloses a kind of posterior sclera pad pressure implant, including silica gel piece, multiple suture holes are opened in both ends of silica gel piece, storage cavity is opened in silica gel piece, the silica gel piece located at the both sides in storage cavity is also opened and placed inlet, pressure block is movably installed in storage cavity, gasket is movably installed between the bottom of pressure block and storage cavity, the inboard of storage cavity is also coated with ion exchange coating.Place inlet design can place pressure block and gasket before suturing, convenient operation, and pressure block adopts hydrogel, can flexibly adapt to eye demand and cooperate with the silica gel material quality and limit protrusion of gasket, effectively limit pressure block movement, and reduce the pressure of pressure block to eye socket inside, simultaneously, the ion exchange coating in storage cavity, can accurately position hydrogel, improve support accuracy, near macular area Special arc-shaped structure and thickening design, enhanced the pertinence support to macular area, can effectively improve patient eye condition, improve operation effect.

This invention discloses a lockable roll-up and retraction device, mainly addressing the problems of existing flexible screen retraction devices being too large, lacking adaptability, and posing a risk of damage during the retraction process. The device includes a housing (1), a scroll (2), a flexible screen (3), a support structure (4), a drive mechanism (5), and a guide locking structure (6). The support structure consists of multiple longitudinally arranged magnetic strips fixed to the back of the flexible screen and magnetic blocks attracted to its sides, forming a unified support for the flexible screen. This support is integrated with the scroll. The guide locking structure employs a parallelogram hinge linkage mechanism. During the retraction process, the drive structure rotates the scroll, causing the support structure and the flexible screen to retract simultaneously. The guide locking structure, under the influence of the support structure's movement, drives a floating locking linkage to move up and down. Upon completion of the retraction, the relative linkages mutually restrict displacement to achieve locking. This invention is small in size, easy to install, and portable, and can be used for the roll-up and retraction of flexible screens.

This utility model relates to the field of curling irons, and more particularly to an adjustment device for an adjustable curling iron, including an adjustment part comprising a rotating paddle, a first gear and a second gear, and a driven gear; and a rotating part comprising a positioning plastic, heating wires, a drive shaft, and a support shaft. This utility model achieves high precision and stability in adjusting the curling area of ​​the curling iron through precise gear transmission and axial limiting design. The rotating paddle, through meshing with the first and second gears, can precisely control the rotation angle of the driven gear, thereby driving the coordinated movement of the drive shaft. The first limiting protrusion passes through the first limiting groove and the moving groove, ensuring the movement of the positioning plastic with the heating wire attached when the drive shaft operates, ensuring precise positioning and smooth movement of the rotating parts, effectively preventing the curling iron from shaking and loosening during use, and allowing for arbitrary adjustment of the size of the curling area formed by each heating wire, improving the accuracy of the curling iron and the user experience.

The utility model relates to a humidifier motor sealing structure comprising a motor support provided with an axially penetrating mounting through hole; the first sealing piece is made of an elastic material and embedded in the mounting through hole, and the first sealing piece is provided with a shaft hole coaxial with the mounting through hole; the motor is arranged in the motor bracket, and a motor shaft of the motor penetrates through the shaft hole and is in transmission connection with the air drum; the first sealing convex rib is arranged at the end, close to one end of the motor, of the shaft hole and abuts against the end face, close to the motor shaft, of the motor; and the second sealing convex rib is arranged at the end part of one end, far away from the motor, of the shaft hole and is propped against the peripheral surface of the motor shaft. The motor aims to solve the technical problem that the sealing performance of a motor in the prior art is reduced due to axial movement of a sealing ring.

This utility model relates to the field of wiring harness technology, and more particularly to an automotive wiring harness that is easy to disassemble and repair. The technical solution includes a connector and a joint. A fixing plate is mounted on the outside of the connector, and a wiring harness A is connected to the outside of the fixing plate. Connecting plates are mounted on both the front and rear surfaces of the fixing plate. Sliding strips are provided at opposite ends of the two connecting plates. J-shaped hook plates are connected to the ends of the two connecting plates via a pivot. A insertion groove is provided on the inside of the joint, and a wiring harness B is connected to the outside of the joint. Raised plates are provided on both the front and rear surfaces of the joint, and sliding grooves are provided at opposite ends of the two raised plates. A helical spring is installed inside each of the two sliding grooves. This utility model facilitates the positioning and insertion of the automotive wiring harness connector and joint, and also facilitates the disassembly of the automotive wiring harness, thereby facilitating the repair of the automotive wiring harness.