5results about How to "Plug tight" patented technology

This utility model provides a foldable operating platform for a fire truck pump room, relating to the field of fire trucks. The foldable operating platform includes a vehicle body, with a sliding platform slidably connected to the rear end of the vehicle body. The surface of the sliding platform is provided with a protective mechanism and an adjustment mechanism. The protective mechanism includes a fixed guardrail, a connecting guardrail, and a folding guardrail. This foldable operating platform enhances the protection of the sliding platform through the cooperation of the fixed guardrail, connecting guardrail, and folding guardrail. The fixed base secures the booster pump, improving its operational stability. The movable base allows for lateral movement, staggering the water cannon and booster pump, improving ease of use. A limiting rod adjusts the position of the movable base, enhancing the stability of the water cannon. The sliding platform is stored at the bottom of the vehicle body, reducing the space occupied by the operating platform and improving the overall structural integrity of the fire truck.

The utility model relates to the technical field of bus ducts, in particular to a bus duct convenient for embedding and clamping, which comprises a first wire duct, a second wire duct and a sliding sleeve, two ends of the first wire duct and two ends of the second wire duct are respectively provided with a plug-in piece, the sliding sleeve is in sliding connection with the outer side surface of the first wire duct, and one end of the second wire duct close to the first wire duct is provided with a locking block. Locking rods are rotatably connected to the two surfaces of the outer side of the sliding sleeve, locking claws are fixedly connected to the ends, close to the locking blocks, of the locking rods, locking grooves are formed in the surfaces of the locking claws, a connecting piece is fixedly connected between the two locking rods, and a rotary knob is rotatably connected to the surface of the side, close to the connecting piece, of the sliding sleeve and used for locking the connecting piece; according to the utility model, through the sliding sleeve, the locking rod and the locking claw, the locking block slides along the locking groove, and then the knob is screwed to press the connecting sheet, so that the joint of the two bus ducts is fixed, and during connection, only the locking rod and the knob need to be rotated, and a plurality of bolts do not need to be tightened, so that the connection steps are simplified, and the operation time is shortened.

The utility model discloses a rotary evaporator, which relates to the technical field of evaporators and comprises a bottom plate, an evaporator body is arranged on one side of the top end of the bottom plate, a heating water bath kettle is fixedly arranged on the other side of the top end of the bottom plate, a rotary bottle is arranged in the heating water bath kettle, and a kettle cover is arranged above the heating water bath kettle. An observation window is fixedly arranged at the top of the pot cover, a rotating rod is rotationally arranged in the middle of the observation window, and a scraping plate for scraping mist on the observation window is fixedly arranged at the bottom of the rotating rod; the utility model has the beneficial effects that the observation window specially arranged at the top of the pot cover is matched with the rotatable rotating rod and the scraping plate, so that water mist condensed on the observation window can be scraped in time, and an operator can clearly observe the volatilization state of a solution in the rotating bottle so as to quickly respond and avoid experiment deviation or potential safety hazards; the pot cover can be conveniently disassembled, and great convenience is provided for follow-up cleaning and maintaining work of the pot cover.

The utility model provides a splicing type cable bus duct, which belongs to the technical field of bus ducts and comprises a bus duct body and a splicing cover arranged on one side of the bus duct body. The supporting and guiding ribs are arranged on the outer wall of one side of the bus duct body; the positioning holes are formed in the outer wall of one side of the bus duct body and are close to the vertical direction of the supporting and guiding ribs; the through groove is formed in the splicing cover; the guide groove is formed in the inner side wall of the through groove; the through groove is formed in the outer side wall of the penetrating groove and is close to the vertical direction of the guide groove; according to the utility model, the splicing cover carries out linear guiding movement at the splicing and plugging part of the adjacent bus duct bodies, the plugging part can be limited and corrected, the butt joint tightness and the butt joint precision of the splicing part are ensured, the two positioning blocks are controlled to be close to each other, and the two bus duct bodies move in opposite directions by utilizing thrust, so that the butt joint precision is improved. And the splicing position is inserted more tightly.

A composite module, a composite cable assembly, and a method for manufacturing the same are disclosed. The composite module includes a housing (1), an optical device (2), a power supply device (3), and a first composite connector (4). The optical device (2) includes a photoelectric conversion device (21) and a first optical connector (22), one end of which is connected to the first optical connector (22). The power supply device (3) includes a power supply line (31) and a first electrical connector (32), one end of which is connected to the first electrical connector (32). The photoelectric conversion device (21) and the power supply line (31) are both located in the housing (1), and the first optical connector (22) and the first electrical connector (32) are both located at the first socket (11) of the housing (1). The first composite connector (4) is located at the second socket (12) of the housing (1) and includes a first base (41), a second optical connector (42) located on the first base (41), and two second electrical connectors (43). The two second electrical connectors (43) are located on both sides of the second optical connector (42). The second optical connector (42) is connected to the other end of the photoelectric conversion device (21). Both second electrical connectors (43) are connected to the other end of the power supply line (31). The composite module with the first composite connector (4) facilitates the miniaturization of switches and access point equipment and has good compatibility.