12results about How to "Avoid loose installation" patented technology

The utility model relates to an air inlet filter element structure, in particular to an air inlet filter element structure of a fuel engine unit, which comprises a filter box, and a breather pipe and a fixing frame are fixedly mounted on the filter box. An air inlet pipe is fixedly mounted on the cover plate, and a limiting groove is formed in the cover plate; the connecting piece is arranged on the filter box and comprises a limiting plate; the filter element is embedded with the fixing frame in a sliding manner; a plurality of groups of filter holes are formed in the filter element; the fastener comprises a plurality of groups of wedge blocks which are used for being clamped with the filter element, and the plurality of groups of wedge blocks are arranged in a sliding manner in the circumferential direction of the filter box at equal intervals; through the extrusion effect of the wedge block and the filter element, sliding of the filter element on the fixing frame is limited, the phenomenon that a gap exists between the filter element and the ventilation pipe, and consequently plugging failure is caused is avoided, and the protection effect on the combustion chamber is improved; and the filter element and the filter box are connected through the fastener, so that infirm installation caused by dust accumulation can be effectively avoided, and the labor cost and the time cost for cleaning the filter box can be reduced.

The utility model belongs to the technical field of punchers, and particularly relates to an aluminum alloy door and window hinge installation puncher which comprises a first fixing plate. The device is characterized in that one side of the first fixing plate is fixedly connected with a first buffering shaft, the end, away from the first fixing plate, of the first buffering shaft is sleeved with a second buffering shaft, the end, away from the first buffering shaft, of the second buffering shaft is fixedly connected with a second fixing plate, and the position of the positioning plate can be accurately adjusted through transverse sliding of a sliding block on the roller shaft; the punching device can accurately control the transverse position and perpendicularity of punching in combination with the guide of the positioning pipe to the drill bit, avoids infirm hinge installation caused by punching deviation, further ensures the position precision and depth consistency of punching through the arrangement of the limiting protection structure and the through pipe, effectively improves the installation quality of the aluminum alloy door and window hinge, and improves the production efficiency of the aluminum alloy door and window hinge. The door and window can be opened and closed smoothly after being installed, and sealing performance and stability are better.

The application belongs to the technical field of coal mill safety equipment, and discloses a medium-speed coal mill coal blocking alarm device, which comprises a controller, an alarm lamp and a sensor, a signal interface and an assembling cavity are respectively arranged on the back of the controller, and an intermediate hole is arranged in the inside of the back of the controller. The gas is pressed into the elastic air bag through the cooperation of the rotating extrusion, the inflation effect after the inside of the elastic air bag is ventilated is utilized, the signal connector maintains good sealing after being sleeved, the air in the signal interface is extracted when the movable plug in the suction assembly is moved by the cooperation of the operation assembly, the signal connector is adsorbed and fixed after being sleeved with the sealing frame under the negative pressure, the stability after actual wiring installation is greatly improved, good plug-in stability can be maintained under external force pulling or vibration effect, the situation of relaxation and disconnection can be effectively avoided, the frequency of arranging artificial maintenance and troubleshooting can be reduced, the use effect is good, and the monitoring and alarm are stable and reliable.

The utility model discloses a protective net structure for constructional engineering construction, which relates to the technical field of protective net installation and comprises a protective net consisting of a net cloth main body and an I-shaped reinforcing ring, and the I-shaped reinforcing ring is pressed and fixed on the edge of the net cloth main body and penetrates through the upper surface and the lower surface of the net cloth main body. The plurality of I-shaped reinforcing rings are arranged along the edge track of the mesh cloth main body, the mesh cloth main body is connected with a quick-mounting assembly through the I-shaped reinforcing rings, and the quick-mounting assembly is used for realizing the mounting connection of the protective net and a steel pipe. According to the utility model, efficient connection between the protective net and the steel pipe can be realized by arranging the quick-mounting assembly, compared with the traditional binding operation of iron wires or binding bands, the whole mounting operation is easier and more convenient, the situation of mounting looseness can be effectively avoided, and the mounting efficiency and stability of the protective net can be further improved.

This utility model discloses a vehicle toolbox, belonging to the field of automotive parts technology. It includes a circular toolbox body with a tool recess inside and a frustum-shaped exterior. A mounting hole is located at the center of the toolbox body, and a locking mechanism is provided in the mounting hole. Several connecting holes are located outside the mounting hole, each containing a locking mechanism. In this utility model, the toolbox body and spare tire are secured horizontally, tightly engaging the toolbox with the spare tire hub. This, combined with the longitudinal locking mechanism, forms a "double longitudinal and transverse fixation," completely eliminating lateral relative movement between the toolbox and the spare tire and preventing abnormal noises caused by lateral collisions.

The utility model discloses an internet security probe convenient to install, which is characterized in that the upper surface of an installation seat is provided with an embedding groove, the front surface of the embedding groove is provided with two first installation grooves, the inner surfaces of the two first installation grooves are fixedly connected with a fixed column, the outer surface of the fixed column is rotatably connected with a rotating lock rod, and the rotating lock rod is connected with a rotating shaft. A second mounting groove is formed in the side wall of the rotating lock rod, a rotating rod is rotationally connected to the inner surface of the second mounting groove, connecting blocks are rotationally connected to the upper side and the lower side of the rotating rod, sliding rods are fixedly connected to the side walls of the connecting blocks, and abutting buttons are in threaded connection to the front surfaces of the sliding rods; the rear surface of the abutting button abuts against a spring. By arranging a linkage structure formed by the abutting button, the spring, the sliding rod, the rotating rod, the rotating locking rod and the like, tedious operations such as screw turning in the installation process are greatly reduced, the installation time is greatly shortened, and the labor intensity of installation personnel is reduced.

This utility model discloses a combined metal pipe end forming mold, comprising: a mold body, which includes two mold units symmetrically arranged facing each other; each mold unit includes a mold body, a slider, a pressure plate, and a baffle; the mold body has a cavity, and the end of the cavity has a forming groove; the metal pipe is placed in the cavity; the slider is slidably connected to the mold body and elastically connected to the end face of the mold body; the slider has a clamping groove corresponding to the cavity; symmetrically arranged protrusions are provided on both sides of the slider; the pressure plate is fixedly installed on the main mold body; the side wall of the pressure plate has a guide groove corresponding to the protrusions; and the baffle is fixedly installed on the mold body; a punch has a positioning groove, and a positioning rod is provided on the bottom surface of the positioning groove. Compared with the prior art, this utility model solves the problem of poor sliding restriction effect of existing metal pipe end forming molds on the forming slider.

The utility model provides a kind of sewage treatment suspended filler interception device, it is related to sewage treatment field, and it includes: access hole, the bottom end of access hole inner wall is connected with the insertion of columnar filter screen, the outer wall of columnar filter screen is slidably equipped with annular scraper, one side of annular scraper is fixed with moving block, the bottom end of access hole inner wall is connected with the insertion of the moving rod fixed with moving block, lifting assembly is set in the inner wall of access hole, based on the sewage treatment suspended filler interception device of the embodiment of the application, when needing to clean columnar filter screen, under the movement of lifting assembly, the up-down movement of moving rod is driven, moving rod drives the up-down movement of moving block, moving block is driven the up-down movement of annular scraper, the inner wall of annular scraper is in contact with the outer wall of columnar filter screen, so in annular scraper movement, the surface of columnar filter screen can be cleaned, without columnar filter screen disassembly, the quick cleaning of columnar filter screen is convenient, and the cleaning efficiency of columnar filter screen is improved.

This utility model discloses an electrode mounting structure and its quartz heating tube, including: a heating tube body, an electrode, a wire, a fixing block, and an elastic element. The fixing block has a side through hole, the wire is fastened to the electrode, the electrode is housed in the inner cavity of the fixing block, the heating tube body is inserted into the fixing block, and the electrode is sleeved on the outer wall of the heating tube body. The elastic element is located in the side through hole, and the lower end of the elastic element presses against the open end of the electrode, thereby keeping the electrode firmly pressed against the heating tube body. In this utility model, the electrode and the heating tube body can be tightly connected simply by inserting the elastic element into the fixing block from the side, and the electrode installation is not limited by the narrow installation space inside the heating device. At the same time, when the electrode deforms due to temperature changes, the elastic element always keeps the electrode firmly pressed against the heating tube body, and the electrode installation remains stable, avoiding the problem of the electrode becoming loose or deformed due to compression.

The utility model discloses an assembly type LED screen installation seat, which belongs to the technical field of LED screen installation, and comprises an installation seat main body, the installation seat main body comprises an assembly seat I and an assembly seat II, four corners of the assembly seat I and four corners of the assembly seat II are all provided with fixing bolts in a threaded manner, and the assembly seat I and the assembly seat II are fixed through bolts. A fixing seat is fixedly installed on the side face of the first assembling seat, and a horizontal fine adjustment groove is formed in the side face of the fixing seat. The mounting base body is assembled by arranging the first assembling base and the second assembling base in a matched mode, and after the first assembling base and the second assembling base are fixed to the mounting face and the LED screen through fixing bolts correspondingly, convenient dismounting operation of the first assembling base and the second assembling base is achieved through the dismounting base, the dismounting inserting plate and the dismounting clamping plate; subsequent maintenance and disassembly can be achieved only through the disassembly and assembly insertion plate and the disassembly and assembly clamping plate, the fixing bolt does not need to be screwed repeatedly, the disassembly and assembly operation convenience is improved, and the problem that installation is loosened easily due to the fact that the fixing bolt is screwed repeatedly is solved.

The application discloses a railway cast-in-place box girder hydraulic inner mold and relates to the technical field of railway cast-in-place box girder construction. The hydraulic inner mold comprises an adjusting assembly, the adjusting assembly comprises an inner mold, a connecting support is arranged in the inner mold, a hydraulic oil cylinder is arranged at the top of the connecting support, a supporting beam is arranged at the top end of the hydraulic oil cylinder, connecting seats are symmetrically arranged at the two ends of the supporting beam, a fixing frame is rotatably installed through the connecting seats, and a first adjusting frame is connected to one side of the fixing frame. The adjusting assembly is arranged to adjust the two symmetrically arranged first adjusting frames through hydraulic pressure. When the inner mold is controlled to move in the box girder, the inner mold can be controlled to shrink according to the moving condition through hydraulic pressure adjustment, so that the normal movement of the inner mold is ensured, the movement interference between the inner mold and the web plate in the box girder is avoided, the problem that the existing device cannot be adjusted and is prone to movement interference during movement and cannot support movement is solved, the normal construction is ensured, and the construction efficiency is effectively improved.

The utility model belongs to the technical field of photovoltaic module installation, and particularly discloses a photovoltaic module installation frame which comprises an installation frame, a waterproof cotton block is arranged on the inner wall of the installation frame, a socket is movably inserted in the installation frame, an adaptive groove is formed in the outer surface of the socket, an installation base is fixedly connected to the outer surface of the socket, and the waterproof cotton block is arranged on the inner wall of the installation frame. An expansion water stop strip is arranged at the end, close to the mounting base, of the outer surface of the socket, and a photovoltaic panel is fixedly connected to the mounting base. According to the photovoltaic module mounting frame, rapid mounting and dismounting of the photovoltaic panel are realized through plugging cooperation of the socket and the mounting frame and an ingenious locking mechanism of the hook claw and the limiting hook, and the expansion water stop strip expands after meeting water and is tightly attached to a gap between the mounting frame and the mounting seat, so that an effective waterproof barrier is formed; the design not only enhances the sealing performance of installation, but also improves the firmness degree of connection, so that the installation stability of the photovoltaic module is improved while the interior of the installation frame is protected from being corroded by water.