9results about How to "Avoid self-closing" patented technology

The novel subway side door comprises a side door body, a handrail arranged on the left and right sides of the side door body, an electric lock body, an electric lock armature and a card reader, the top of the handrail and the top of the side door body are provided with handrails, the center of the right end surface of the handrail on the left side is provided with a positioning groove, and the center of the left end surface of the handrail on the side door body is embedded with a positioning bead; when the side door body is closed, the ball of the positioning bead is locked in the positioning groove to position the side door body; the control line of the card reader and the electric lock body is connected through a connector or a wiring terminal; and the right side frame of the side door body is hinged to the left side column of the handrail on the right side through a plurality of positioning hinges. The novel subway side door can ensure the accurate positioning between the electric lock body and the electric lock armature when the subway side door is closed, prolong the service life of the electric lock, facilitate the disassembly, maintenance and repair of the card reader, and is low in equipment cost.

The application provides a pet door, which comprises a frame and a door body arranged on the frame; a locking assembly comprises a first locking part and a second locking part, the first locking part is arranged on one side of the door body close to an opening and closing end, when the door body is attached to the frame, the first locking part is partially inserted into the frame to be locked or is extended out of the frame to be unlocked; a rotating end is connected with a rotating shaft of the frame, and the second locking part is arranged on one side of the door body close to the rotating end, when the door body is opened, the second locking part is moved to support the door body to keep the opened state. The pet door can flexibly set the opening or closing state of the door body by arranging the first locking part and the second locking part.

The utility model discloses a novel vehicle door limiter, and particularly relates to the field of vehicle door limiters, a plurality of hinge blocks are hinged in a compartment, one sides of the hinge blocks are fixedly connected with a compartment door, one side of the compartment door is provided with a first base, and a first threaded nail is inserted in the first base; the first threaded nail is fixedly connected into the compartment door, a limiting piece is fixedly installed on one side of the first base, a rotating piece is rotationally connected to the outer wall of the limiting piece, a limiting supporting rod is fixedly connected to the outer wall of the rotating piece, and a connecting piece is inserted into the end, away from the rotating piece, of the limiting supporting rod. Through the arrangement of the limiting supporting rod and the connecting piece, after a worker opens the compartment door, the worker can rotate the limiting supporting rod to be inserted into the connecting piece, the compartment door is fixed and limited by the limiting supporting rod, the effect of rapidly limiting and fixing the compartment door is achieved, and the situation that the compartment door is automatically closed due to accidents is prevented.

The utility model relates to the technical field of customs inspection equipment, and discloses an insect catching device for customs inspection, which comprises a handheld rod, a fixed frame, a movable frame and a locking device, the first end of the fixed frame is connected with the handheld rod, and the second end of the fixed frame is connected with one end of the movable frame through a torsion spring rotating shaft; the locking device is arranged at the second end of the fixed frame, an insertion hole matched with the locking device is formed in the movable frame, a first mesh is arranged in the fixed frame, a second mesh is detachably arranged in the movable frame through a connecting piece, a mounting plate is arranged on the first mesh, and a trap lamp is arranged on the mounting plate. According to the insect catching device, winged insects can be conveniently caught and taken out, the working pressure of workers can be relieved, and the using effect and the insect catching efficiency of the insect catching device are effectively improved.

The present application belongs to the technical field of packaging machinery, and in particular, relates to a small sealing machine, including: a sealing machine body, the sealing machine body includes a machine body and a protective cover arranged on the machine body; a traction mechanism, the traction mechanism is arranged on the machine body and used to traction plastic packaging bags; a forming mechanism, the forming mechanism is arranged on the machine body and used to heat and cool the sealing bag; an embossing mechanism, the embossing mechanism is arranged on the machine body and used to roll out stripes on the plastic packaging bag, and the embossing mechanism includes a first embossing wheel and a second embossing wheel arranged at intervals; a tensioning mechanism, the tensioning mechanism is arranged on the machine body and connected to the traction mechanism, and the tensioning mechanism is used to adjust the tension of the traction mechanism; and a touch control screen is also arranged on the machine body. The beneficial effects of the present application are: the entire device adopts a touch screen configuration, which is more convenient to operate, and a protective cover is installed on the machine body, which can protect the machine body, and the structural design of the whole machine is compact, occupies a small area, is relatively light, and has high practicality.

The utility model relates to the technical field of window equipment, in particular to a windproof out-opening window which is characterized in that a window sash is hinged to a window frame, an abutting frame is fixedly installed on the window sash, a folded plate is fixedly installed on the window frame, a through groove is formed in the folded plate, an I-shaped block is installed on the folded plate in a sliding mode and penetrates through the through groove, and a plurality of sets of limiting holes are formed in the folded plate. The movable rod penetrates through the I-shaped block and extends into the limiting hole, the connecting block is fixedly connected with the end, away from the limiting hole, of the movable rod, the movable rod is sleeved with the spring, the two ends of the spring are fixedly connected with the connecting block and the I-shaped block respectively, and the transmission assembly is installed on the I-shaped block. When the window sash is opened, the movable rod moves out of the limiting hole to relieve fixation of the I-shaped block, the window sash can be opened through movement of the I-shaped block and transmission of the transmission assembly, the movable rod resets under the action of the spring, fixation of the I-shaped block and the window sash is achieved, and therefore the windproof effect of the window sash is achieved, and the window sash is prevented from being automatically closed under the action of wind power.

The utility model discloses a grab bucket type bottom mud sampler capable of automatically cleaning, which comprises a grab bucket, an opening and closing mud grabbing mechanism and a cleaning mechanism, the outer wall of the grab bucket is provided with the opening and closing mud grabbing mechanism, the opening and closing mud grabbing mechanism is used for grabbing low mud, the inner wall of the grab bucket is provided with the cleaning mechanism, and the cleaning mechanism is used for cleaning the low mud on the inner wall of the grab bucket. The opening and closing mud grabbing mechanism comprises a clasp, the clasp is arranged on the outer wall of the grab bucket and connected through a hinge, and an operating rod is further arranged on the upper portion of the outer wall of the grab bucket and used for controlling the grab bucket to achieve the opening and closing function. The underwater sediment sampling device can automatically clean low mud on the inner wall of the grab bucket after grabbing in real time, is convenient to operate and safer to use, and improves the sampling efficiency of underwater sediments.

This utility model discloses a vehicle door latch, comprising an upper housing and a lower housing arranged opposite to each other. The upper housing has a first hook, and the lower housing has a rotating plate rotatably mounted thereon. A second hook, corresponding to the position of the first hook, is fixed on the rotating plate. A tension spring is connected to the rotating plate, with its other end connected to the lower housing. The upper and lower housings are respectively fixed to the exterior of the vehicle door and body. The first and second hooks interlock to achieve the opening and locking of the vehicle door. Furthermore, the tension of the spring prevents the second hook from easily rotating and disengaging from the first hook, thus preventing the door from closing automatically due to strong winds. This ensures that the latch has strong locking and limiting performance, making the opening and closing of the vehicle door more reliable and safe.

The utility model discloses a hydrogen production power supply safety cabinet which comprises a cabinet body and conductive columns located in the cabinet body, connecting columns matched with the conductive columns are arranged between the conductive columns, a cabinet door matched with the cabinet body is arranged on one side of the cabinet body, a sliding plate is arranged on one side of each connecting column, and a limiting sliding groove matched with the sliding plate is formed in the inner side wall of the cabinet body. An extension groove is formed in the side, close to the cabinet door, of the limiting sliding groove, and a protruding block extending into the extension groove is arranged on one side of the sliding plate. The hydrogen production power supply safety cabinet has the beneficial effects that when the cabinet door is opened, the connecting rod pulls the sliding plate to move outwards, and then the sliding plate drives the connecting column to be separated from the conductive columns arranged at the top and the bottom, so that the hydrogen production power supply safety cabinet is in power-off connection with the outside and a cable, and meanwhile, a protector and the like in the hydrogen production power supply safety cabinet are disconnected to avoid electrification of the protector and the like; and through the arrangement of the limiting assembly, the cabinet door is prevented from being automatically closed in the inspection or maintenance process, and the safety is improved to a certain degree.