26results about How to "Prevent ejection" patented technology

The present invention relates to the technical field of varistors, and specifically to a multi-layer chip varistor, comprising a protective shell, a cover plate being detachably mounted on the top of the protective shell, a resistor body being mounted in the protective shell; the resistor body being a multi-layer chip varistor; a first slide, the slide being arranged below the longitudinal sides of the protective shell, a longitudinal positioning plate for longitudinally positioning the resistor body being arranged above the slide; transverse positioning plates being respectively arranged on the transverse sides of the protective shell, the transverse positioning plates positioning the resistor body transversely in the protective shell, and the resistor body being limited in multiple directions through the structure of a top plate, a longitudinal positioning plate, a transverse positioning plate and a stop block, even if the rubber pad is aged and deformed due to the increase in the use time, the resistor body can still be effectively limited in the protective shell to prevent the resistor body from moving in the protective shell and affecting the normal use of the resistor body.

The invention discloses a light-weight aluminum alloy casting low-pressure forming device and an operation technology, and the light-weight aluminum alloy casting low-pressure forming device comprises a heat preservation furnace which is installed on a lifting base and is provided with a liquid rising pipe, an opening and closing cylinder installed on a support, and an upper mold installed at the lower end of the opening and closing cylinder, a connecting pipeline matched with the output end of the air compressor is arranged on the outer wall of the heat preservation furnace, a pressure relief pipeline is further arranged on the heat preservation furnace, and the heat preservation furnace further comprises a gas rapid filling unit. The low-pressure casting machine is provided with the quick gas filling unit, so that a large amount of nitrogen can be quickly filled into the furnace, the gas filling time is shortened, the working efficiency of the low-pressure casting machine is greatly improved, and the quick gas filling unit can be repeatedly used by releasing the nitrogen in the furnace into the hollow pipe for the first time; and meanwhile, the nitrogen is extruded by the gravity of the heavy object to maintain the air pressure in the furnace to reach a set constant pressure range, and the device is also suitable for different liquid levels of molten aluminum alloy in the furnace.

The utility model belongs to the technical field of gas engineering, and relates to a pipeline temporary plugging mechanism for gas engineering construction, which comprises a ventilation pipeline, one side of the ventilation pipeline is fixedly connected with an air bag, the surface of the ventilation pipeline is sleeved with a first sleeve and a second sleeve, the surface of the first sleeve is fixedly connected with an adapter block and a telescopic plate, and the adapter block is fixedly connected with the air bag. A pin shaft is fixedly connected to the interior of the adapter block, the surface of the pin shaft is sleeved with an adjusting mechanism, and by arranging a first fixing rod, a second fixing rod, a first sleeve, a second sleeve, a movable rod and a connecting rod, the size can be adjusted according to different inner diameters of the gas pipeline; therefore, the gas pipeline plugging device is suitable for plugging work of gas pipelines with different diameters, when the diameter of the gas pipeline exceeds the diameter of the limiting ring, the plugging work of the gas pipelines with different diameters can be met by replacing parts with different specifications, and the application range of the gas pipeline plugging device is widened.

The invention belongs to the technical field of anchor rod supporting. In order to solve the problems that an existing anchor rod bin is large in occupied space and cannot achieve automatic anchor rod installation, the swing type anchor rod bin comprises a fixing base assembly, a rack, a limiting device and a pushing device, a swing oil cylinder is arranged in the fixing base assembly and can push the rack to swing, and the limiting device is arranged on the rack; the anchor rod is installed in the pushing device, the pushing device is suitable for sliding along the rack and driving the anchor rod to a designated position, the limiting device comprises an upper limiting assembly, a lower limiting assembly and a limiting assembly, the upper limiting assembly prevents the anchor rod from being ejected out when the anchor rod and the drilling machine body are not in butt joint well, and a movable baffle is arranged so that the anchor rod can be ejected out to achieve butt joint; the lower limiting assembly prevents the anchor rod from falling, the swing baffle is arranged, automatic installation of the anchor rod can be achieved, the anchor rod is mechanically limited through the limiting assembly, and the anchor rod bin is compact in structure, small in occupied space and capable of achieving automatic installation of the anchor rod.

The application relates to an optical structure, a semiconductor light-emitting device and a light-emitting apparatus. The optical structure comprises a light-transmitting piece and a truncation structure. The light-transmitting piece comprises a support part and a light-emitting part which are integrally arranged. The support part is hollowly arranged, and the light-emitting part encloses one end of the support part. The truncation structure is light-opaque and has a through hole. The outer side of the truncation structure corresponds to the inner side of the support part and laterally shields all the inner sides of the support part, and one end of the through hole corresponds to the light-emitting part. The optical structure integrates the truncation structure on the inner side of the support part of the light-transmitting piece. The truncation structure shields part of the lateral light rays and truncates the light emission of the light-emitting chip, thereby improving the cutoff of the light spot projected by the semiconductor light-emitting device, making the light spot edge clearer, weakening or basically eliminating the light-dark transition phenomenon of the light spot, and improving the light spot quality.

The utility model provides an anti-backflow door and window, which relates to the technical field of doors and windows, and comprises a frame body, a first movable window sash and a second movable window sash, and an exhaust structure is arranged on the inner side wall of the top of the frame body; the first movable window sash is arranged in the frame body and is movably connected with the frame body; the second movable window sash is arranged in the frame body and movably connected with the frame body, the second movable window sash and the first movable window sash are arranged in a staggered mode in the horizontal direction, the first movable window sash is arranged at the end, close to the outdoor space, of the frame body, and an exhaust structure is arranged on the outer side wall of the top of the second movable window sash. The anti-backflow door and window can balance indoor and outdoor air pressure and reduce formation of bubbles, so that rainwater is prevented from being ejected into a room, rainwater backflow is effectively prevented, the room is kept dry, building materials such as walls and floors are prevented from being affected with damp and mildewed, the service life of a building is prolonged, and the anti-backflow door and window is more beneficial to physical health of residents.

The germanium wet purification hydrolysis kettle comprises a box body, the box body is of a cylindrical design, a box cover is arranged on the outer surface of an opening of the box body, the box cover is attached to the outer surface of the box body, and a discharging hopper is arranged on the outer surface of the box cover in a penetrating mode. A driving motor is fixedly mounted on the outer surface of the box cover, a separation mechanism is arranged in the box body, and residues obtained after complete reaction can be filtered and taken out through a lifting filter frame through the separation mechanism. According to the germanium wet purification hydrolysis kettle convenient for precipitation separation, after the reaction is completed, germanium residues are precipitated in the box body and fall into the lifting filter frame, at the moment, the box cover can be lifted up, so that the box cover drives the rotating shaft to ascend together with the lifting filter frame, a solution is filtered through a filter screen of the lifting filter frame, and the residues after the germanium reaction are left in the lifting filter frame; and an operator can conveniently take out germanium after extraction reaction, so that the solution is separated from germanium residues after reaction.

The utility model discloses a light source module, a photoacoustic sensor and gas detection equipment, the light source module comprises a tube shell, one end of the tube shell is closed, and the other end of the tube shell is open; the optical filter comprises a first optical filter and a second optical filter which are fixedly arranged on the tube shell, the second optical filter is connected with the tube shell in a sealing manner, so that a closed space is formed between the second optical filter and the closed end of the tube shell, and the first optical filter is fixedly arranged in the closed space; the light source is arranged in the closed space and located between the first optical filter and the closed end of the tube shell, and the direction of the light source faces the open end of the tube shell; wherein the second optical filter, the first optical filter and the light source are arranged at intervals. The light source module can prevent the side wall of the optical filter from leaking light and reduce the influence of environment temperature and humidity on the sensor, and temperature and humidity compensation is not needed.

The utility model relates to automatic demoulding device technical field of sealing element discloses a kind of automatic demoulding device of sealing element, including upper die body and lower die body, the top of the upper die body is fixedly inserted with two symmetrical positioning columns, and the top of two positioning columns is fixedly connected with fixed sheet, the bottom end of two positioning columns is slidably inserted in the inside of lower die body, by setting connection column and slider, make upper die body drive slider movement in lifting process, and utilize the lifting of slider to promote elastic sliding block to drive thimble gradually lift, to realize the automatic demoulding of sealing element, without cylinder or motor and other external drive, reduce manufacturing cost, and compact structure, action synchronism.

The present application discloses a parts picking device, which belongs to the technical field of mechanical parts processing. The parts picking device includes: a material storage structure; a picking piece, on which a picking hole is provided; a fixed frame, on which a guide structure for the picking piece to perform linear motion is provided; a conveyor belt of the conveying structure is arranged in the fixed frame and is arranged adjacent to the material storage structure, and the conveying structure is used to convey parts; a driving structure, which is used to drive the picking piece to perform reciprocating linear motion along the guide structure above the material storage mechanism and the conveyor belt; wherein, when the picking piece moves to the top of the material storage structure, the picking hole corresponds to the material storage port one by one, and the distance from the picking piece to the material storage structure is less than the thickness of the parts, and the distance from the picking piece to the conveyor belt is greater than the thickness of the parts. The picking device translates the parts from the material storage mechanism to the conveyor belt, prevents the parts from flipping over, saves the cost of manual flipping, saves time and effort, and improves the processing efficiency of the parts.

The present invention discloses a special injection molding machine for automobile light bulbs, belonging to the technical field of injection molding for automobile light bulbs. A special injection molding machine for automobile light bulbs comprises a frame, the top of the frame is connected to an upper template, the upper template is connected to an injection mechanism; the output end of the injection mechanism is connected to a sliding plate, the bottom of the sliding plate is connected to a hot runner module; the bottom of the frame is connected to a lower template, the lower template is connected to a mold body corresponding to the hot runner module; the side walls of the frame are also respectively connected to a slider mechanism and a blowing mechanism, the bottom of the lower template is connected to a positioning mechanism; in the present invention, the hot runner module is designed to be separated from the mold body, so that the automobile light bulb can be more conveniently injected, while reducing labor intensity and improving work efficiency, and the mold body is stably connected, easy to work and disassemble, and has a longer service life.

The invention relates to the technical field of crushers, and discloses a mining double-roller crusher which comprises a machine shell and further comprises two swing plates rotationally mounted on the inner wall of the machine shell, crushing rollers are rotationally mounted on the sides, close to each other, of the two swing plates, and the two crushing rollers can rotate relatively; the blocking part is arranged below the middle parts of the two crushing rollers and can move up and down for adjustment; and a triangular crushing area is formed between the blocking part and the two crushing rollers. The feeding speed of the crushing channel can be increased through reciprocating swing of the two swing plates, so that the crushing efficiency is improved, when the two crushing rollers swing downwards, the extrusion effect can be improved under the action of the blocking parts, and in this way, the crushing effect can be improved through extrusion of the two crushing rollers; meanwhile, compared with a horizontal mutual approaching mode, the downward acting force can prevent mineral aggregate chippings from splashing upwards during extrusion, and then influences on surrounding operators or nearby equipment are avoided.

The leakage-proof plug comprises a plug core, a plugging rubber sleeve, a driving rod and a locking assembly, the plug core is cylindrical, the plugging rubber sleeve used for sealing a pipe opening is arranged on the outer wall of the plug core, the locking assembly is arranged on one side of the plug core, and the driving rod is rotationally connected to the middle of the plug core and is coaxial with the plug core. One end of the driving rod extends out of the plugging core and is provided with an outer hexagonal part, the other end of the driving rod extends out of the plugging core and is provided with a threaded part, and the threaded part of the driving rod is used for driving the locking assembly to fix the plugging core and the plugging rubber sleeve at the pipe orifice; the plugging rubber sleeve is plugged into the pipe orifice for plugging, so that the effect of plugging the pipeline can be achieved even if the plugged pipe orifice has no internal thread or the internal thread slips; the driving rod is rotated to drive the driving block to move, so that the driving block drives the first supporting rod and the second supporting rod to expand in the radial direction of the driving rod, the positioning block abuts against the inner wall of the pipeline to position the whole, and therefore the plugging rubber sleeve plugged into the pipeline is prevented from being ejected out by internal pressure.

The present invention belongs to the technical field of ball pin manufacturing, and in particular, relates to a multi-station forming mechanism for a ball pin, including a plurality of forming stations arranged side by side, one station being responsible for a step of forming the ball pin, such as forming the bottom rod diameter of the ball pin, the head of the preformed ball pin, the flange of the formed ball pin, and the ball head of the formed ball pin by a positive extrusion process. Each forming station includes: a support assembly, the support assembly includes a base, a lower die seat installed on the base; an extrusion assembly, the extrusion assembly includes an upper support shell arranged toward the base, an extrusion placement hole is formed in the upper support shell, an upper die assembly and an extrusion reset assembly cooperating with the upper die assembly are arranged in the extrusion placement hole; and an extrusion drive mechanism is arranged at one end of the upper support shell away from the base; a lower ejector assembly, a lower ejector assembly is arranged at the bottom of the support assembly, and a lower ejector rod extending into the lower die seat of the base is arranged on the lower ejector assembly.

The utility model discloses a cover plate assembly of a socket, which comprises a cover plate and a panel, and is characterized in that the cover plate is detachably arranged on an installation box; the panel is installed on the outer side of the installation box in a magnetic attraction mode. And the panel is mounted on the outer side of the mounting box in a magnetic attraction manner, so that the panel is convenient to mount and dismount, ejection or prizing by using a sharp tool is avoided, and the risk of wall damage is reduced.

The invention provides an engine compartment fuse box with a secondary lock, and relates to the technical field of fuse boxes, the engine compartment fuse box comprises a fuse bottom box, the top of the fuse bottom box is hinged and matched with a fuse cover, the inner bottom of the fuse bottom box is fixedly provided with a fuse mounting seat, and the fuse mounting seat is clamped and matched with a plurality of fuses. And a clamping mechanism is arranged at the top of the fuse in the safety cover. In the process from mutual contact of the fuse bottom box and the fuse cover to complete closing, the two U-shaped clamping plates clamp the top of the fuse clamped and matched on the fuse mounting seat, and the top of the fuse abuts against the limiting top plate fixed to the circumferential side face of the semicircular plate. And the surfaces of the pins are in fit fit with the two U-shaped extrusion plates, the center clamping ring and the side edge clamping plates, so that the bottom of the fuse can be further clamped, the connection stability of the fuse and a connection circuit is further improved, the short circuit phenomenon of the fuse and the circuit is reduced, and the safety of the engine compartment is improved.

The utility model belongs to mechanical lifting equipment field discloses a hidden lifting mechanism with anti -drop limiting structure, including stand, transmission assembly, lifting cylinder and driving part, transmission assembly includes screw rod and screw thread cover is equipped on the moving link of screw rod outer diameter, moving link top end connects lifting cylinder, still be provided with the limiting piece on the inner wall of stand, transmission assembly still includes extension link, extension link bottom and moving link top end fixed link, extension link top and lifting cylinder fixed link, limiting piece forms the abutment with extension link in horizontal direction, forms the abuttment with moving link top end in vertical direction, the maximum distance of moving link along the axial movement of screw rod is less than the height of screw rod, the utility model can hide transmission assembly, still can limit the maximum height of the ascending of moving block, avoids moving block from the top of screw rod and ejects, separates from screw rod, has guaranteed the use safety of the equipment of waiting for lifting, the utility model is applicable to the industrial production or daily life, is used for the auxiliary equipment of waiting for lifting to lift.

The utility model relates to the technical field of insulating covers, in particular to an electrical grounding protection insulating cover, which comprises a clamping module and a dismounting module. The clamping module comprises an L-shaped plate, two fixed door plates installed on the two sides of the L-shaped plate, guide rods connected with the tops of the fixed door plates, a movable pressing cover connected between the multiple guide rods in a sliding mode, a locking rod connected with the movable pressing cover in an inserted mode and a spring located in the movable pressing cover and connected between the movable pressing cover and the locking rod. The fixed door plate is provided with a transverse opening, and the movable gland is provided with two vertical openings. According to the utility model, when the grounding ring and the branch wire clamp are dismounted, the pull rod is pulled down, then the locking rod is pulled by the support frame to retract into the movable gland, the pull rod is limited by the stop block to prevent the spring from ejecting the locking rod, and then the movable gland is lifted, so that the grounding ring and the branch wire clamp can be dismounted, the device is prevented from being damaged, and the service life of the device is ensured.

The utility model discloses a bird kettle spout which comprises a water outlet pipe, one end of the water outlet pipe is connected with a filtering part in a clamped mode, an ejector rod is coaxially and movably sleeved with the other end of the water outlet pipe, the ejector rod is sleeved with a supporting ring, and the supporting ring is fixedly sleeved with the inner wall of the water outlet pipe. One end of the ejector rod is coaxially and fixedly connected with the end of one side of the movable seat, the other side of the movable seat is sleeved with one end of a spring, and the other end of the spring abuts against and is connected with the end of the filtering part. Through the arrangement of the filtering part, a water source is filtered in a multi-layer mode, the cleanliness of the drinking water source of birds is guaranteed, when the birds drink the water source, by pecking an ejector rod, after the ejector rod moves, a spring is compressed, meanwhile, a movable seat is driven to be separated from a supporting ring, a gap is formed between a sealing gasket and the supporting ring to leak out, and the water source flows out to an inclined face of a water outlet pipe through the gap; the drinking by birds is convenient; and the water outlet pipe is clamped with the filtering part, so that the filtering part is prevented from being ejected by the elastic force of the spring, and the mounting tightness is ensured.

The utility model provides an injection device for veterinarians, which relates to the technical field of medical equipment and comprises a needle tube, the needle tube is detachably arranged in an auxiliary tube, the needle tube and the auxiliary tube are coaxially arranged and are connected through a limiting structure, and the auxiliary tube is provided with a locking structure and a fixing structure. The needle tube is fixed to the livestock through the auxiliary tube, the situation that the needle tube falls off, is bent and the like due to the fact that the livestock suffers from pain and stimulation and violently counteracts in the injection process is prevented, the limiting structure is arranged between the needle tube and the auxiliary tube to prevent the needle tube from shifting in the injection process, and the locking mechanism helps the needle tube and the auxiliary tube to be installed.

The utility model relates to the technical field of cylindrical battery production and provide a kind of into shell device.The utility model's into shell device is used to be loaded into to the battery shell inside roll core, this into shell device includes the device main body with shell fixed part and roll core accommodating cavity, roll core push plate is slidably arranged on device main body, and heating element is slidably arranged on roll core push plate;Shell fixed part is used to fix battery shell, roll core accommodating cavity is used to accommodate the roll core to be into shell, and roll core accommodating cavity is located at the side of shell fixed part, and it is coaxially arranged with battery shell;Heating element can be moved to battery shell inside along the axial direction of roll core accommodating cavity, and it is used to heat battery shell;Roll core push plate can push roll core from roll core accommodating cavity into battery shell inside.The utility model into shell device, by battery shell thermal expansion, can improve the smoothness of roll core into shell, and can reduce frictional resistance, reduce the risk of battery damage, to improve production efficiency and product yield.

The present invention relates to the technical field of spring pressure testing machines, and specifically to a spring pressure testing machine with a core shaft positioning mechanism, which solves the problem that when the spring pressure testing machine is in use, there is no way to position the axis of the spring being tested, which may cause the spring to be ejected from the equipment due to bending during the test, posing a great threat to the personal safety of the staff operating the equipment. A spring pressure testing machine with a core shaft positioning mechanism comprises a base, a spring placement plate is fixed to the upper surface of the base, an axis positioning mechanism is placed above the spring placement plate, and the axis positioning mechanism comprises a plurality of assembled circular plates. The present invention positions the axis of the spring through a guide rod, an inner positioning plate, a reset rod, and an outer positioning plate, thereby ensuring that the spring will not be displaced or bent in the middle during the pressure test, and preventing the spring from being ejected to the surroundings due to bending, thereby ensuring the personal safety of the staff operating the spring pressure testing machine.

The utility model provides an edge sealing device for processing a purification plate, which relates to the technical field of edge sealing devices for processing purification plates, comprises a bracket, and is characterized in that a conveying belt is arranged at the upper top of the bracket, a rectangular plate is fixedly connected to the side surface of the bracket, a clamping component is arranged on the side surface of the bracket, and the rectangular plate is fixedly connected to the side surface of the bracket. A gluing assembly is fixedly connected to the upper top of the rectangular plate, a motor is fixedly connected to the bottom of the rectangular plate, a protruding block is fixedly connected to the output end of the motor, a rotating roller is fixedly connected to one end of the protruding block, a connecting belt is arranged on the surface of the protruding block, and a round rod is rotationally connected to the surface of the rectangular plate; a connecting belt is arranged on the surfaces of the round rod and the protruding block, one end of the round rod is fixedly connected with a rotating roller, a cleaning device is arranged on the surface of the rotating roller, and the problem that the edge sealing strip slips between the rollers due to the fact that an anti-skid block is used for a long time and is abraded is solved.

An adaptive ejection mechanism for injection mold bases is disclosed. This invention relates to the field of injection mold technology. Ejector pins are respectively positioned above a mounting plate; each ejector pin is equipped with a pressure sensor; the pressure sensor has a built-in power supply and signal transmitter; lifting tubes are respectively fixed to the bottom of the ejector pins; a fixing rod is installed inside the lifting tube and fixed to the mounting plate; springs are respectively sleeved on the fixing rod, with both ends of the springs fixed to the lifting tube and the mounting plate; locking mechanisms are respectively located on the lifting tube; pull-back mechanisms are respectively located on the mounting plate and connected to the lifting tube; the ejection pressure is detected in real time by the pressure sensor, enabling automatic identification of areas with difficult demolding and targeted adjustments; the ejection components in areas with difficult demolding can be quickly fixed, avoiding excessive local ejection; the ejection action in areas with easy demolding can be temporarily slowed down, balancing the overall ejection force distribution; finally, uniform ejection is achieved through spring reset, effectively preventing product deformation or damage due to uneven ejection.