16results about How to "Won't come out" patented technology

The invention provides a switch cabinet lifting device, and belongs to the technical field of switch cabinet production. Comprising a horizontally-arranged cross beam, sliding blocks arranged in the two ends of the cross beam and connected in a sliding mode, supporting and hanging pieces hung on the sliding blocks and rotationally connected with the sliding blocks, steel wire ropes used for pulling the sliding blocks to slide in a one-to-one mode and hanging rings fixedly connected with the ends of all the steel wire ropes. The supporting and hanging piece comprises a vertical hanging rod, a vertical angle plate and a horizontal supporting plate; the lower part of the lifting rod is fixedly connected with the upper part of the angle plate; the angle plate is composed of two metal strips which are perpendicular to each other and fixedly connected. The two adjacent side edges of the supporting plate are fixedly connected with the bottom edges of the two metal strips respectively. The lifting preparation operation can be completed on the ground more conveniently; during hoisting, the supporting plate is used for supporting the switch cabinet from the bottom, and deformation caused by too large stress on the top of the switch cabinet can be avoided; and meanwhile, the corner plates can clamp the edges of the switch cabinet, so that the switch cabinet can be prevented from slipping, and safety is ensured.

The invention discloses a laser marking machine for food production and packaging, and relates to the technical field of packaging bag laser marking, the laser marking machine comprises a conveyor and a laser marking head, and further comprises a support; the displacement mechanism is used for driving the laser marking head to move; the sealing mechanism is used for sealing the packaging bag in the marking process; the fixed-point smoke removal mechanism is used for carrying out fixed-point cleaning on smoke generated by multi-position marking of the packaging bag in the sealing mechanism; according to the laser marking machine for food production packaging, the top space of a packaging bag is sealed, when a laser marking head conducts multi-position marking treatment on the packaging bag, smoke generated by laser marking in a sealing cover cannot be scattered out, and the problem that in the prior art, smoke cannot be collected thoroughly due to the fact that smoke can only be collected after being diffused is solved; the problem that in the prior art, due to the fact that an air exhaust structure is arranged on one side of the packaging bag, the thin and light packaging bag is prone to deviating or folding on the conveyor, and normal marking is difficult is solved.

The utility model relates to the field of analytical instruments, and discloses a urine specimen centrifugal device which comprises a centrifugal tube containing a urine specimen, the centrifugal tube comprises a tube body with the upper diameter identical to the lower diameter, and a separation plug is connected in the tube body in the length direction. The separating plug divides the pipe body into a first cavity and a second cavity and seals the first cavity and the second cavity. The centrifugal tube is divided into the first chamber and the second chamber through the separation plug, during use, a patient puts urine into the first chamber, and even if the patient fills the first chamber, an analyst can move the separation plug towards the second chamber, so that the accommodating volume of the first chamber is enlarged, the liquid level in the first chamber is reduced, and the urine in the first chamber is separated from the urine in the second chamber. The urine is prevented from splashing when an analyst opens the cover.

This application relates to the field of marine engineering construction technology, specifically to a pile clamping device. The pile clamping device includes a clamping body, a pile clamping plate, and connecting components. The clamping body includes at least two clamping units, with the ends of adjacent clamping units connected by fasteners to form a ring structure for clamping the foundation pile. At least one fastener includes an mounting portion. The pile clamping plate has mounting holes. The connecting components include a connecting portion, a connecting rod, a threaded rod, and an assembly nut. One end of the connecting rod is fixedly connected to the connecting portion, and the other end is fixedly connected to the threaded rod. The connecting portion is movably connected to the mounting portion. The threaded rod and the assembly nut are screwed together, and a limiting portion is provided between the connecting rod and the threaded rod. The threaded rod passes through the mounting hole, and the end faces of the limiting portion and the assembly nut abut against both sides of the pile clamping plate. This pile clamping device can adapt to harsh marine environments, ensuring the stability of the foundation pile. It has high overall structural safety, a simple installation process, low construction difficulty, and high efficiency.

The utility model provides a wind-resistant external sunshade roller shutter with a cleaning function. The wind-resistant external sunshade roller shutter comprises a roller shutter roller, a roller shutter body, wind-resistant beads, track grooves, a protective cover shell, a driving system and a cleaning device. The roller shutter body comprises curtain cloth and a balance weight bottom beam, the top end of the curtain cloth is fixed to the roller shutter roller, and the bottom end of the curtain cloth is connected with the balance weight bottom beam. The wind-resistant beads are fixed on two sides of the curtain cloth at equal intervals and are connected and fixed through threads. The rail grooves are symmetrically formed in the two sides of the window frame, and the cross sections are C-shaped to ensure that the wind-resistant beads do not fall off; the protective housing comprises a housing cover plate and a rear housing body, a wind-resistant support is arranged on the inner side of the housing cover plate, and a sound insulation and heat preservation plate and a maintenance plate are arranged in the rear housing body; the driving system comprises a handle control seat, a driving rope, a driving rope groove, a driving fixed pulley and a driven fixed pulley, and the roller shutter is lifted through operation of the handle control seat; the cleaning device comprises a brush plate and a brush plate fixing base and makes contact with the curtain cloth to achieve automatic cleaning. The utility model has the advantages of wind resistance, cleaning function and sound insulation and heat preservation effect.

The embodiment of the invention provides a shafting locking structure, a turbine pump, an engine and a rocket. The shafting locking structure comprises a main shaft, a plurality of shafting rotating components connected to the main shaft, a locking nut arranged between every two adjacent shafting rotating components and a limiting structure for limiting the circumferential position of the locking nut. According to the technical scheme, the locking mode is compact in structure and high in reliability, the requirement for repeated use is met, and the locking device is suitable for being applied to the rocket turbine pump.

The multifunctional miter saw comprises a miter saw body composed of a base, a workbench and a machine head assembly, the workbench is movably installed above the base, a support is installed at the rear end of the workbench, the machine head assembly is installed on the support in a hinged mode, folding wing unfolding assemblies are symmetrically installed on the two sides of the base, and each wing unfolding assembly comprises a wing unfolding table top and an L-shaped wing unfolding support. The upper ends of the wing-unfolding supports are hinged to the wing-unfolding table top, the lower ends of the wing-unfolding supports are hinged to the base, and the included angle of the inner sides of the wing-unfolding supports is larger than 90 degrees. The wing unfolding table boards can be driven by the wing unfolding supports to ascend and descend in a folding mode, and when the wing unfolding table boards ascend, the two wing unfolding table boards can be oppositely buckled on the two sides of the machine head assembly to serve as upper workbenches. When the wing-unfolding table board is folded and descends, the wing-unfolding table board can be used as an extension surface of the workbench; a folding wing unfolding locking assembly is arranged between the wing unfolding table top and the machine head assembly. The bench saw is reasonable in structural design, the bench saw mode and the miter saw mode can be conveniently switched, and the cutting effect is guaranteed.

The utility model relates to a USB flash disk with a USB flash disk cover, which comprises a USB flash disk body and an end cover slidably wrapping the USB flash disk body, the end part of the end cover is provided with an adjusting device for adjusting the position of the USB flash disk body, and the adjusting device comprises a sealing plate buckled at the opening of the end cover. According to the USB flash disk with the USB flash disk cover, the end cover is arranged as a USB flash disk cover structure of the USB flash disk and directly and slidably wraps the USB flash disk, so that the phenomenon that the USB flash disk cover is easily lost relative to the USB flash disk is reduced, meanwhile, the sealing plate is arranged to be connected with the pull ring, and the USB flash disk is connected through the first connecting rod and the second connecting rod, so that the USB flash disk can be conveniently pulled out of the end cover for use; the first connecting rod can rotate relative to the second connecting rod, normal use of the plug part is prevented from being hindered by the sealing plate, the lower rod and the baffle are arranged at the rear end of the USB flash disk, the position of the USB flash disk in the end cover can be limited, meanwhile, the USB flash disk can be prevented from being disengaged from the end cover, and the practicability of the device is improved.

The utility model discloses a magnetic repulsive damping roller carrier which comprises a roller seat and a roller carrier body, a containing cavity is formed below the roller seat, the roller carrier body is located in the containing cavity, one side of the roller carrier body is connected with a hinge arm, the hinge arm is hinged to the roller seat, a first magnet is arranged above the containing cavity, a second magnet is arranged on the roller carrier body, and the first magnet is connected with the second magnet. The same-polarity sides of the first magnet and the second magnet are opposite, and a rotation guiding structure and an anti-disengaging structure used for preventing the wheel frame from disengaging from the interior of the containing cavity are arranged between the wheel base and the wheel frame. According to the magnetic repulsive damping roller carrier, elastic damping is carried out through mutual magnetic repulsive force between the magnets, damping failure caused by clamping of sundries can be avoided, the overall structure is simple, and later maintenance and replacement of the magnets are convenient.

The present invention relates to the technical field of communication equipment, and discloses a communication equipment for a direct sequence spread spectrum system, comprising a base and a communication device, wherein the upper surface of the base is symmetrically fixedly connected with side panels, and the opposite sides of the two side panels are symmetrically provided with lifting grooves, the interior of the lifting grooves is fixedly connected with lifting rods, and the outer side walls of the lifting rods are slidably connected with lifting sleeves, and the outer side walls of the four lifting sleeves are commonly fixedly connected with a mounting seat, and the two sides of the mounting seat are respectively fitted with the opposite sides of the two side panels; the present invention can preliminarily install the communication device to the inner side of the mounting seat by means of a cavity, a plug-in block and a spring arranged on the mounting seat, and cooperate with a plug-in interface opened at the bottom of the communication device, and then use a positioning bolt to plug into the positioning hole to limit the plug-in block, so as to ensure that the plug-in block is more stable after being plugged into the plug-in interface and will not fall out.

The utility model relates to an anti-falling platform turning cover lock catch which comprises a platform face. A flip cover; the platform eye plate is fixedly mounted on the platform surface; the flip cover eye plate is fixedly mounted on the flip cover, and the flip cover eye plate and the platform eye plate are partially overlapped together; the plug pin penetrates through the overlapped part of the flip cover eye plate and the platform eye plate, and the outer wall of the plug pin is connected with a stop lever; and the limiting column is fixedly arranged on the platform surface, and when the turning cover is buckled on the platform surface, the stop lever makes contact with the limiting column to achieve limiting of the plug pin. According to the anti-falling platform turning cover lock catch, the stability of connection between a platform face and a turning cover is guaranteed through the reasonability of arrangement of the positions of the plug pin, the eye plate and the limiting column, the lock catch is simple in structure and convenient to operate and use, double limiting is arranged, and the plug pin can be fixed and does not shake in the opening state; in the closed state, the bolt can also be fixed and does not shake, and the bolt body cannot be disengaged from the device under the navigation working condition.

This invention relates to the field of electrical connection devices, and particularly to a quick-connection device. A quick-connection device includes a plug and a socket, which are inserted into each other. One of the plug and socket has a protrusion, and the other has a groove. The protrusion can engage with the groove as the plug moves. One of the plug and socket also has a positioning element, and the other has a positioning groove. The positioning element can elastically abut against the plug or socket. During the insertion process, the positioning element is elastically abutted. After the plug rotates a preset angle around its axis, the positioning element elastically resets and engages with the positioning groove, while the protrusion engages with the groove as the plug rotates. Its advantages are that it avoids accidental insertion or misplacement of the plug into the socket, and also prevents the plug from coming out of the socket.

The utility model discloses a sampling device for animal quarantine, relates to the technical field of sampling devices, and provides the following scheme that the sampling device comprises a box body, a concave block is arranged at one corner of the box body, containing grooves are symmetrically formed in the middle of the box body, sliding rails are arranged on the inner walls of the two sides of each containing groove, and a sliding cover is installed on the outer side of each containing groove; a sliding cover is arranged in the containing groove, a sliding strip is integrally arranged on the side of the sliding cover, a saliva sampling assembly is contained in the containing groove, a containing box is arranged on the periphery of the containing groove, a groove is formed in the inner wall of the containing box, a rotating shaft is installed in the containing box, a top cover is connected to the outer side of the rotating shaft, and protruding blocks are arranged on the two sides of the end of the top cover. Through the arrangement of the saliva collection assembly and reasonable storage arrangement of the whole device, saliva collection, hair collection and excrement collection operation can be ensured, multi-sample sampling of animals is flexibly performed, and subsequent detection operation is facilitated.