14results about How to "Plug tight" patented technology

The invention discloses a device and a method for implanting a column for a CCGA device, relates to the technical field of electronic packaging, is used for welding a micro-spring on a bonding pad of a substrate, and comprises a positioning base and a positioning plate, the top of the positioning base is provided with a positioning groove used for positioning the base plate, and guide columns are arranged on the two sides, corresponding to the positioning groove, of the positioning base. Guide holes correspondingly matched with the two guide columns are formed in the bottom of the positioning plate, a plurality of positioning needles used for positioning the micro-spring are arranged at the position, corresponding to the position between the two guide holes, of the positioning plate in an array mode, and the diameter of a needle body at the end, connected with the positioning plate, of each positioning needle is not smaller than the inner diameter of the micro-spring; the bottom of the positioning plate is provided with a separating plate for separating the micro-spring from the positioning needle; the plate surface of the separating plate is provided with openings corresponding to the positioning needle and the guide post; according to the invention, the micro-spring is tightly inserted into the positioning pin, and the position of the micro-spring is determined through the positioning pin, so that the tolerance between the micro-spring and the corresponding bonding pad of the substrate is less than 0.01 mm.

The utility model discloses an anti-interference device for radio frequency spectrum sensing, which belongs to the technical field of anti-interference devices and comprises a load-bearing mechanism, a fixing assembly is connected to the side face of the load-bearing mechanism, a supporting frame is mounted on the top of the load-bearing mechanism, a mounting seat is connected to the top of the supporting frame, and a switch assembly is connected to the side face of the mounting seat. Through the arrangement of the switch assembly, the motor in the fixing seat is started to drive the rotating plate to drive the baffle to rotate to one side, the use effect of the wireless frequency receiver in the mounting seat at the top of the supporting frame can be better, and the limiting block plays a guiding role so that the baffle can be accurately located at the top of the wireless frequency receiver to implement protection; through the arrangement of the fixing assembly, the inserting block at the bottom of the balancing weight is inserted into the groove in the surface of the load bearing mechanism, the inserting rod and the inserting block are tightly connected in an inserted mode under the elastic acting force of the second spring in the side base on the sleeve block, and the balancing weight can be firmly installed, and the auxiliary stabilizing effect is better.

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 present invention discloses a reciprocating multi-head milling machine, and relates to the technical field of milling machine equipment. The reciprocating multi-head milling machine comprises a storage and retrieval mechanism. Through the storage and retrieval mechanism, the milling cutter clamping part of the reciprocating multi-head milling machine enters the clamping storage part, and the clamping storage part can be elastically extended and retracted, so as to adapt and clamp the milling cutter clamping part, and then the milling cutter head is plugged with the new milling cutter, and the milling cutter and the loading and unloading auxiliary part are squeezed. Under the action of the reaction force, not only can the milling cutter and the milling cutter head be plugged more tightly, but also the clamping storage part can be loosened to facilitate the removal of the milling cutter. After each disassembly and installation, the rear horizontal plate is moved to the position of the front horizontal plate to facilitate the disassembly and installation of the next milling cutter. The movement procedure after each installation is exactly the same, and the steps are few, which is easy to use.

The utility model relates to the technical field of mounting heads, and discloses a novel insulating cover mounting head, which comprises an insulating rod, and an insulating cylinder is fixed on the left side of the lower surface of the insulating rod. When the novel insulating cover mounting head is used for mounting a novel insulating cover, the insulating insertion rods on the upper side and the lower side are used for being matched with holes in an insulating cover shell for use, the insulating insertion rods on the upper side and the lower side can be inserted into the insulating cover shell, and then the inserted insulating cover is additionally mounted on a hardware fitting iron piece by holding the mounting rod body with a hand. After the upper and lower insulating insertion rods are inserted into the insulating cover, the rotating handle can be twisted, the distance between the upper and lower insulating insertion rods can be changed, and when the distance between the upper and lower insulating insertion rods is changed, the rotating handle can be rotated to rotate, so that the safety of the live working can be improved, and the personal safety of the power personnel can be guaranteed. The insulating insertion rods on the upper side and the lower side can be inserted into the insulating cover shell more tightly, the insertion stability is improved, and the situation of falling is not prone to occurring.

The utility model discloses a computer network cable deconcentrator, comprising a deconcentrator body, the deconcentrator body is provided with a wire slot, the top end of the deconcentrator body is provided with an L-shaped support plate, and the L-shaped support plate is provided with a dustproof and poor contact prevention mechanism; the dust-blocking and poor-contact-preventing mechanism can cover the wire inserting groove, and relates to the technical field of deconcentrators, the dust-blocking and poor-contact-preventing mechanism is arranged, a dust-blocking and poor-contact-preventing assembly is moved up and down, the unused wire inserting groove can be blocked by using a baffle plate, and under sealing of a rubber ring, the dust-blocking and poor-contact-preventing mechanism can cover the wire inserting groove. Dust is effectively prevented from entering the wire inserting groove, and meanwhile, abrasion between the shielding plate and the deconcentrator body cannot be caused; the limiting block in the dust-blocking and poor-contact-preventing assembly can be used for effectively limiting the cable connector, so that the cable connector is ensured to be tightly inserted into the wire inserting groove, and the situation of poor contact is avoided.

The utility model discloses a fastening type touch screen structure, which belongs to the technical field of touch screen structures and comprises a fixed base, supporting blocks are mounted at the tops of two sides of the fixed base, auxiliary components are arranged in the supporting blocks, and fixing components are embedded in the supporting blocks. The fixing rod and the fixing groove can be tightly connected in an inserted mode under the elastic acting force of the spring, the fixing plate can be fixed, so that the structure assembly of the device is more stable and firmer, and after the control panel drives the fixing rod to move outwards to be separated from the fixing groove, the fixing plate can be detached to replace and overhaul the display screen. The auxiliary assembly is arranged, the screw rod can be controlled to rotate through the control groove, under the meshing connection between the screw rod and the transmission block, the transmission block and the sliding rod are limited in a sliding mode, the transmission block can drive the soft cushion bottom plate to move upwards to abut against the display screen, the internal structure of the device can be more compact, and the using effect is better.

The utility model discloses an automatic conveying and feeding device for a printed circuit board, which belongs to the technical field of circuit board packaging and comprises a rack, a lifting mechanism is mounted in the rack, a dismounting and mounting component is arranged at the top of the lifting mechanism, and control components are mounted on two sides of the rack. The motor can drive the two screw rods to rotate synchronously through the gear meshing structure, under meshing connection between the screw rods and the transmission blocks, the two transmission blocks can synchronously move in a limited mode to drive the mechanical arm on the top to conduct longitudinal movement position adjustment, the double-screw-rod transmission structure can enable the moving platform to move more stably, and the clamping and conveying precision of the mechanical arm is higher. According to the utility model, through the arrangement of the dismounting assembly, the sliding limiting insertion rod between the T-shaped slide block and the slide rail is inserted into the through hole, so that the component material box can be firmly installed, the insertion rod is lifted up to move out of the through hole, and then the component material box can be taken down after being drawn, so that the dismounting operation is simpler and more convenient.

The present invention discloses a quickly replaceable activated carbon filter, belonging to the field of filter equipment, and includes a top cover and a bottom shell, wherein the opening end of the top cover and the opening end of the bottom shell are symmetrically distributed, the top end of the top cover is inlaid with a liquid inlet pipe, the bottom end of the bottom shell is inlaid with a liquid outlet pipe, the bottom surface of the bottom shell and the surrounding side of the liquid outlet pipe are provided with a plurality of supporting legs, and further includes: a filtering mechanism, which is arranged between the top cover and the bottom shell, and is used for filtering the raw materials flowing through; and a locking mechanism, which is arranged outside the filtering mechanism. The present invention can facilitate the staff to disassemble the equipment, so as to replace the internal materials, thereby improving the efficiency of equipment maintenance and saving the time of maintenance.

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.