36results about How to "Does not affect the fixed" patented technology

The invention relates to a safety helmet shell dismounting structure with backsight function, which comprises a shell and at least two reflectors, wherein the shell is divided into at least one subshell; the two reflectors are arranged on the shell and the subshell respectively, the reflector mutually map to reflect rearward images forward and transmit the images to eyes of users; and then at least one dismounting object is arranged between the shell and the subshell to dismount the subshell on the shell. Therefore, because the subshell can be dismounted on the shell, the reflectors inside are convenient to clean and maintain.

The invention discloses a portable track vacuum control system, which is characterized in that: the control system includes a multi-stage vacuum generator (1) and a vacuum pump (2), and the multi-stage vacuum generator (1) and the vacuum pump (2 ) are connected to the vacuum tank (3), the vacuum tank (3) is connected to multiple sets of track vacuum management units (4) through the main pipeline, and between the vacuum tank (3) and each set of track vacuum management units (4) Valves and pressure gauges are provided, and a branch pipeline (5) is connected to the pipeline between the multi-stage vacuum generator (1) and the vacuum tank (3), and the branch pipeline (5) is also connected to all track vacuum management units ( 4) are connected, valves are also set on the branch pipeline (5), and the orbital vacuum management unit (4) includes four parallel branch pipelines (6), each of which is equipped with a suction cup at the end of the branch pipeline (6) (7), electric valves, pressure gauges and manual valves are also arranged on the sub-pipeline (6).

The invention discloses a production device and process of an inner bobbin casting, which belongs to the technical field of bobbins. An inner bobbin casting production device includes a bobbin and a grinding mechanism. The bobbin includes a cylinder body and a center hole. , connection groove, card groove, positioning groove, the middle part of the cylinder is provided with a middle hole, the bottom of the middle hole is provided with a connection groove, both sides of the connection groove are provided with card grooves, and the outer wall of the bottom end of the cylinder is provided with two The grinding mechanism includes the base of the device, the middle rod, the sleeve rod, the support plate, the handle, the adjustment cylinder, the linkage block, the linkage rod, the slider, the slider, the connecting rod, the block, the positioning rod, the drive motor, the driving gear , Driven gears, support rods, bar magnets, grinding blocks, arc-shaped struts, etc. The bobbin can be easily fixed, the grinding mechanism can automatically polish the bobbin, the production efficiency of the bobbin is improved, the labor cost is saved, the operation is simple, the use is convenient, and it is suitable for popularization.

The invention relates to a worm rod processing mechanism with a driving motor separation baffle plate (111). The worm rod processing mechanism is used for processing a blank (1) into a worm rod, and comprises a blank carrying element (2), a sleeve (3) with external screw threads, a driving sleeve (4) with internal screw threads and a machine frame (7), wherein the blank carrying element (2) is used for carrying the blank (1), the upper end and the lower end of the blank carrying element (2) are respectively and fixedly arranged in the sleeve (3) with the external screw threads through an upper bearing (21) and a lower bearing (22) in a direction opposite to the axial direction of the sleeve (3) with the external screw threads, the sleeve (3) with the external screw threads is matched in the driving sleeve (4) with the internal screw threads through screw threads, and the lower end of the driving sleeve (4) with the internal screw threads is rotatablely arranged on the machine frame (7) through a thrust bearing (47).

The invention provides a vehicle-mounted charging head suitable for new energy vehicles, including a body fixedly installed on the vehicle body, and a wiring board connected to a vehicle-mounted power supply is fixedly mounted on the body, and is characterized in that: the body- The upper and lower ends of the side are symmetrically provided with mounting blocks, and a power supply device is installed on the mounting block, and one side of the power supply device is connected to the terminal board, and the other side of the power supply device is connected to the plug device. Moreover, the plug device is detachably connected to the body through locking devices arranged symmetrically at both ends of the upper and lower ends, and an insulating device is also provided on the outer surface of the plug device. The on-board charging head of the new energy vehicle uses a locking device to fix the plug device on the car, avoiding the disadvantages of aging and quick damage of the charging plug placed in the air, and the setting of the insulating device is conducive to increasing the safety of the charging process.

The invention discloses a worm machining mechanism capable of automatically performing up-down limiting. The worm machining mechanism is used for machining a blank (1) into a worm and comprises a blank bearing member (2), a sleeve (3) with external thread, a driving sleeve (4) with internal thread and a rack (7), wherein the blank bearing member (2) is used for bearing the blank (1); the upper and lower ends of the blank bearing member (2) are axially and fixedly arranged in the sleeve (3) with the external thread relative to the sleeve (3) with the external thread through an upper bearing (21) and a lower bearing (22) respectively; the sleeve (3) with the external thread is matched in the driving sleeve (4) with the internal thread; the lower end of the driving sleeve (4) with the internal thread is arranged on the rack (7) through a thrust bearing (47) in a rotating manner.

The invention relates to a universal optical fiber fusion splice protector, which comprises a fusion splice base plate and a cover plate, wherein the fusion splice base plate comprises an integral bottom plate and wall plates around the bottom plate; the bottom plate is provided with outer partition plates, inner partition plates and optical fiber fusion splice protection areas formed between the inner and outer partition plates on the inner sides of the front and rear wall plates; redundant optical fiber storage areas are formed between each side partition plate and the corresponding side wall plate and between each outer partition plate and the corresponding front wall plate and rear wall plate; a bunched optical cable fusion splice chip and a ribbon optical cable fusion splice chip are detachably arranged at the corresponding optical fiber fusion splice protection areas; movable elastic pressure blocks are arranged on the two sides of the bunched optical cable fusion splice chip and / or the two sides of the ribbon optical cable fusion splice chip on the bottom plate. According to the universal optical fiber fusion splice protector, the fusion splice protection and storage of bunched and ribbon optical cables can be met at the same time, movable clamping groove areas can be formed to protect fusion splice points of optical fibers of each core, the universal optical fiber fusion splice protector is reasonable in structure and convenient to maintain and operate, the number of optical cable fusion splice protection lines can be increased in a finite space, and a route can be kept clear.