19results about How to "Avoid breakage damage" patented technology

The utility model belongs to the technical field of automobile sensors, and particularly relates to an automobile sensor which comprises an end cover, a cover cap is installed on the right side of the end cover, an assembly structure is fixedly connected to the right side of the end cover, a connecting piece is fixedly connected to the left side of the end cover, and the assembly structure is slidably connected to the interior of the cover cap. A protection mechanism is arranged on the right side of the cover cap, a mounting mechanism is arranged at the joint of the end cover and the cover cap, the outer side of the power line is fixedly wrapped with a rubber sleeve, the outer side of the rubber sleeve is fixedly wrapped with an outer sleeve, and the outer sleeve wraps and protects the rubber sleeve; the connecting position of the left side of the outer sleeve and the right side of the cover cap is reinforced and protected through a sleeve ring and a reinforcing sleeve, so that the connecting position is prevented from being broken and damaged, and the connecting position of the power line and the cover cap is prevented from being broken and damaged. Therefore, the end cover and the cover cap can be conveniently separated and connected through the threaded sleeve.

This utility model discloses a high-efficiency electric drill with quick-change drill bits, including a drill body and a light source. The drill body is equipped with a storage component for storing the light source, and a connecting collar is provided between the storage component and the drill body. The storage component is equipped with an adjustment component for adjusting the usage state of the storage component. The storage component allows the light source to be hidden and stored when not in use, enhancing the protection of the light source and preventing it from being broken or damaged by external forces, thus helping to extend the life of the light source. At the same time, the use of the collar and the adjustment component allows the lighting position of the light source to be adjusted to ensure the lighting effect, thereby enabling workers to perform drilling operations in dim environments.

The utility model discloses an outdoor travel ceramic tea set which comprises a tea set box, a containing box is fixedly connected between the left side and the right side of the inner wall of the tea set box, a ceramic tea set set is arranged in a groove in the top of the containing box, a frame-shaped base plate is fixedly connected to the inner wall of the tea set box, and a filter plate is arranged at the top of the frame-shaped base plate. The filter plate is clamped to the inner side of the tea set box, the bottom of the filter plate is further fixedly connected with a Y-shaped pressing frame for fixing the ceramic tea set, the ceramic tea set comprises a ceramic teapot body, and the ceramic teapot body is arranged in a groove in the top of the containing box. The outdoor travel ceramic tea set is reasonable in structural design and convenient to use, tea cups, a teapot, a tea canister and the like contained in the ceramic tea set are reasonably combined, occupied space is reduced, and therefore the outdoor travel ceramic tea set is convenient to carry, the tea set can be effectively limited, the tea set can be prevented from being broken and damaged due to jolting in the carrying process, and the service life of the outdoor travel ceramic tea set is prolonged. And a good use effect is achieved.

The application discloses a piezoelectric ceramic actuator. In the application, the piezoelectric ceramic actuator comprises a shell, the shell is internally provided with a placement cavity with an open end, and the shell comprises a point contact part arranged at the other end in the placement cavity; a piezoelectric ceramic assembly comprises a piezoelectric ceramic piece, an elastic piece and a first contact part; the elastic piece is arranged opposite to the inner bottom surface of the shell, and the elastic piece is at least partially connected with the shell; one end of the piezoelectric ceramic piece is fixed to one side of the elastic piece away from the inner bottom surface of the shell; the first contact part is fixed to one side of the elastic piece towards the inner bottom surface of the shell and is arranged opposite to the piezoelectric ceramic piece, the first contact part is partially in a dome shape, the first contact part is partially in a dome shape, and the first contact part in the dome shape abuts against the point contact part to form a point contact. Compared with the prior art, the tangential stress of the actuator during use can be avoided, the service life is prolonged, and the piezoelectric ceramic piece is not prone to damage under stress.

The utility model discloses a cold-resistant hard PVC (polyvinyl chloride) reflector, and relates to the technical field of reflectors. Comprising a reflector body, the reflector body comprises a hard PVC board, cold-resistant layers are fixed to the top and the bottom of the hard PVC board respectively, and a gum layer and an anti-sticking layer are sequentially arranged at the bottom of the cold-resistant layer located at the bottom of the hard PVC board from top to bottom; a microprism layer and a protective film are sequentially arranged on the top of the cold-resistant layer located on the top of the hard PVC board from bottom to top. The cold-resistant layers are fixed to the top and the bottom of the hard PVC board and made of polyurethane materials, the cold resistance of the PVC board can be improved through the arrangement of the cold-resistant layers, the PVC board is prevented from being broken due to low-temperature embrittlement, meanwhile, the elastic layer is arranged, the purpose of the elastic layer is that firstly, external impact force can be buffered, and therefore the impact force of the PVC board can be reduced, and the service life of the PVC board can be prolonged. The stability of the whole structure of the PVC reflector is improved, and the hard PVC plate is effectively prevented from being broken and damaged due to stress.

This invention relates to a preamplifier for a single-channel marine seismic receiving cable. The preamplifier has a sealing plug at both ends of the cable insertion hole at the front end of the housing. The cable passes coaxially through the plug holes and is slidably sealed to the sealing plug. Each sealing plug has a pressure ring coaxially mounted on its large end face. The pressure ring is pressed into the conical bore section by a locking bolt, and the pressure ring does not contact the end face of the housing. The locking bolt is fixed to the housing wall, and a smooth cylindrical section slides with the pressure ring. An inner pressure ring abuts against the end face of a pressure plate via an elastic element. The pressure plate is located near the front end of the housing and is coaxially and integrally connected to the cable. There is a tensile movement range between the cable and the data interface of the circuit board, so that when the cable is towed by a ship, the pressure plate compresses the elastic element, further pressing the inner pressure ring against its corresponding inner sealing plug. This invention can significantly improve the preamplifier's sealing, vibration resistance, and the reliability of its connection to the cable.

The utility model relates to the technical field of underground water diversion, in particular to an underground water diversion structure which comprises a foundation soil layer, a stone chip cushion layer covers the foundation soil layer, a stone block layer covers the stone chip cushion layer, a metal net sleeve is arranged between the stone block layer and the stone chip cushion layer, a drainage pipe is arranged on the inner side of the metal net sleeve, and the drainage pipe is connected with the foundation soil layer. According to the underground water flow guide structure, through the arrangement of the metal net sleeve, the metal protruding strips, the inner inserting pipe, the connecting short columns and the sealing rings, the underground water flow guide structure can be conveniently embedded between a stone chip cushion layer and a stone layer, and before flow guide is carried out, the underground water flow guide structure can be conveniently embedded into the space between the stone chip cushion layer and the stone layer; the inner and outer tube reinforcing structure is additionally arranged on the drainage tube, so that the metal net sleeve, the drainage tube and the inner insertion tube form a triple sleeve structure, the inner and outer tube reinforcing structure can be reinforced from the inside and the outside of the drainage tube, and the problem that the drainage tube is frequently extruded by a travelling crane and is broken and damaged is solved.

This invention relates to a fixing element and its heat dissipation unit. The heat dissipation unit has a heated area that is in contact with a bare-crystal heat source. A fixing element is respectively provided at each of the four corners of the heat dissipation unit. The fixing element has: a screw with a spring, a sleeve with a window, and a retaining ring. The screw is fitted onto the sleeve, and the retaining ring is fitted onto the outside of the sleeve. The retaining ring has an upwardly extending hook arm assembly. The plurality of hook arms extend into the aforementioned window and press the top of the spring, causing the spring to be in a compressed state inside the sleeve. When the springs of each fixing element are released simultaneously after assembly, the two ends of the spring can provide the heat dissipation unit with a synchronous and uniform downward pressure, so that the heat dissipation unit and the bare-crystal heat source are tightly and uniformly bonded.

The utility model discloses a tap water pipe network pressure regulating device which comprises a bottom. Through the design of the structures such as the water pressure sensor, the first pressure relief pipe and the connecting pipe and the cooperation of the water pressure sensor, the second pressure relief valve and the first pressure relief pipe, automatic overpressure flow division is achieved, the situation that a low-layer conveying branch pipe is broken and damaged due to overlarge pressure is prevented, and meanwhile normal water use of high-layer users is guaranteed; water in the energy storage tank can be conveyed into the conveying branch pipe through the connecting pipe and the conveying main pipe, the pressure in the conveying branch pipe is stabilized so as to meet the normal water using requirement of a user, frequent starting and stopping of a water pump are reduced, motor loss is reduced, the service life of equipment is prolonged, and meanwhile energy consumption is reduced. The situation that when the water pressure fluctuates, a pipeline is broken due to too high water pressure or cannot meet the normal water use requirement of a user due to too low water pressure can be prevented.

This utility model discloses a high-efficiency pressing device for producing chicken oil as a feed additive, including a base on which a pressing device is mounted. A coupling device is also provided on the base. The coupling device includes a bushing, a shaft, a rotating sleeve, a slot, an inclined groove, an inclined plate, a linkage groove, a linkage sleeve, a linkage block, and a movable block. The slot is located on the outside of the shaft, the inclined groove is located on the inside of the bushing, the linkage groove is spirally located on the inside of the rotating sleeve, the linkage block is located on the outside of the linkage sleeve, and the movable block is connected to one side of the inclined plate. A locking mechanism is installed on the outside of the bushing, including a rotating plate, a rotating block, a movable spring, a fixed block, a rotating hole, a sliding rod, a sliding sleeve, a shifting spring, a shifting block, and a circular block. The movable spring is connected to the rotating block and the fixed block. The rotating hole is located on the rotating plate, the sliding rod is connected to one side of the sliding sleeve, the shifting block is located on one side of the rotating sleeve, and the circular block is installed on the outside of the bushing. This utility model solves the technical defects of traditional equipment in terms of operating efficiency, overload protection, and structural stability.

The utility model discloses a kind of electronic equipment wire harness with fixing mechanism, it is related to electronic equipment technical field, including wire harness main body, the wire harness main body front and rear both ends are equipped with terminal lug. The utility model is equipped with wire harness main body, wire harness holder, threaded rod, winding rod, fastening buckle, limiting groove and fixed rod, wire harness holder installed in device can accurately be clamped and fixed, prevent wire harness from displacement or falling off in the case of external force pulling during use, the design of wire harness holder fully considers the requirement of the connecting direction of wire harness main body both ends, can be flexibly matched with the orientation of terminal lug according to actual connection scene, ensure the smoothness of connection process, when the length of wire harness main body needs to be adjusted or arranged, by rotating threaded rod, winding rod can be driven to rotate, so that wire harness main body of extra length is orderly wound on winding rod, reduce the risk of failure caused by wire harness entanglement.

The present invention relates to a fixing unit and a heat dissipation device using the fixing unit. The four corners of the heat dissipation device are assembled with a heat source by arranging a plurality of fixing units; the fixing unit has a spring screw, a screw sleeve, and a snap ring. The end of the spring screw is provided with a buckle ring to prevent the spring from falling off, and the spring screw is sleeved in the screw sleeve; the screw sleeve has two cutouts, and the snap ring is sleeved on the screw sleeve. One side of the snap ring extends upward to form a pair of clasping pieces, and the pair of clasping pieces extend into the cutouts to clasp the top end of the spring, so that the spring is in a compressed state within the sleeve; when it is desired to make the heat dissipation device closely fit the heat source for heat exchange, only by removing the clasping of the pair of clasping pieces on the spring by an external force or an external object, the spring can be released to provide the heat dissipation device with a uniform and synchronous downward pressing contact force on the heat source.

The utility model relates to gear box maintenance technical field, and disclose modularization gear box maintenance support, including maintenance frame body and gear box body, gear box body surface is equipped with the convex, and maintenance frame body includes track piece, and the inner wall sliding connection of track piece has a plurality of movers, and the top of mover is equipped with L type groove, the inner wall sliding connection of L type groove has L type board, and L type board parallel section length is greater than the height of L type board vertical section, and L type board top is equipped with the clamp piece, the utility model discloses through with the clamp of maintenance frame body is divided into clamp piece and the two module of mover, can through bolt dismount, make staff when facing different models gear box body, only need to select suitable clamp piece, and the L type board of clamp piece slides into the L type groove of mover, can improve the clamping effect of clamp, thereby adapt to different shapes and convex gear box body, be convenient for staff to fix gear box body when maintaining, need not directly with assembly contact, prevent gear box body inner wall assembly damage.

The utility model belongs to the technical field of oil tank spare parts, and disclose a kind of high-pressure-resistant oil tank pad, to solve the problem of traditional oil tank pad easy to appear super-yield limit fracture under pressure, the oil tank pad includes the first pad piece of hole round sheet, second pad piece and movable piece, first pad piece and second pad piece are respectively provided with circumferentially symmetrical and staggered support strip, and the reserved gap between support strip is used as deformation space, to avoid material damage under high pressure super-yield limit;Both are provided with flange let hole and alignment convenient mouth, convenient for installation positioning, movable piece is arranged between two pad pieces, one side is provided with annular support strip and pressure self-sealing structure, pressure self-sealing structure is made of annular round convex extrusion each other, form the self-reinforcing effect of "the higher the pressure, the tighter the sealing", the oil tank pad is made of oil-resistant and anti-aging flexible material, can dynamically adapt flange deformation, give consideration to sealing performance and pressure resistance, applicable to oil tank oil injection, oil outlet pipeline and the flange sealing of measuring hole junction.

The utility model provides a hard alloy mechanical sealing ring die which comprises a base, a central column is installed in the center of the top of the base, an outer ring installed on the top of the base is arranged on the outer side of the central column, and a lower die ring and an upper die ring which are in sliding connection with the central column are arranged on the inner side of the outer ring. A shell is installed at the bottom of the base, a lifting mechanism is installed in the shell, and a plurality of evenly-distributed connecting rods are installed at the movable end of the lifting mechanism. Through the arrangement of the lower mold ring, the lifting mechanism and the connecting rods, after pressing is completed, the lifting mechanism is started, the lower mold ring can be jacked up through the connecting rods, a sealing ring blank on the lower mold ring is pushed out of the inner side of an outer ring, manual demolding of workers is not needed, and through the arrangement of the connecting rods, the sealing ring blank can be conveniently taken out. The ejection force applied to the sealing ring blank on the lower die ring is more uniform, and the problem that the blank is broken and damaged due to uneven stress during ejection is avoided.

The utility model relates to the technical field of conveyor belts, in particular to a high-wear-resistance multi-layer composite structure type Teflon conveyor belt which comprises a first rubber layer, a first reinforcing layer is connected to the surface of the first rubber layer, and first reinforcing ribs are installed in the surface of the first reinforcing layer in an embedded mode. A second reinforcing layer is fixedly connected to the surface of the first reinforcing layer, second reinforcing ribs are embedded in the surface of the second reinforcing layer, a second rubber layer is fixedly connected to the surface of the second reinforcing layer, and a wear-resistant layer is arranged on the surface of the second rubber layer. According to the high-wear-resistance multi-layer composite structure type Teflon conveying belt, the first reinforcing ribs and the second reinforcing ribs are arranged, the strength of the first rubber layer and the strength of the second rubber layer are improved through the first reinforcing ribs and the second reinforcing ribs, the conveying belt is prevented from being broken and damaged, and damage to the conveying belt is reduced; the overall strength of the conveying belt is further improved, so that the conveying belt can bear external force in the material conveying process and is not prone to deformation or breakage.

The utility model relates to a cable connector assembly, which comprises a left shell and a right shell, the adjacent ends of the left shell and the right shell are rotatably connected through a connecting structure, the ends, far away from each other, of the left shell and the right shell are integrally provided with insulating plates, and the insulating plates are arranged on the left shell and the right shell. Wherein one insulating plate is fixedly connected with a left outer annular electrode, the left outer annular electrode and the left inner annular electrode which are installed on the left shell and the right outer annular electrode and the right electrode column which are installed on the right shell can rotate relatively, and the left shell and the right shell are rotationally connected through a connecting ring. When the cable is subjected to external torque acting force, the left shell and the right shell can be driven to rotate relatively so as to compensate the torque acting force borne by the cable, and the problem that the connecting part is prone to being broken and damaged due to the torsion acting force directly acting on the connecting part of the cable and the connector is solved as far as possible.

The utility model provides a kind of servo motor cable anti-pulling fixing device, it is related to electrical engineering field, the utility model includes servo motor main body, the utility model can manually set the through hole frame on the outer surface of cable main body, until one side is abutted on the one side of square ring block, then the one end of sliding slot lever is installed and fixed on the one side of servo motor main body by means of easy-to-assemble mechanism, so in the use process of cable main body, if be pulled by external force, square ring block will be moved to one end, so as to pull through hole frame to one end in the inner wall of sliding slot lever, spring is stretched, then the reset effect of spring will buffer the tension of cable main body, to reach the effect of preventing cable main body and servo motor main body junction from being pulled, to enhance cable anti-pulling capacity and service life, improve the stability and reliability of servo motor main body system operation.

This invention provides an electrode, a battery, and an electrical device, comprising: a current collector, a first active material layer, and a second active material layer; the current collector has a first surface and a second surface facing away from each other along a first direction, the first active material layer is disposed on the first surface, and the second active material layer is disposed on the second surface, the first direction being the thickness direction of the current collector; along the second direction, the current collector has a first end and a second end, the first active material layer and the second active material layer at the first end are flush, and the first active material layer and the second active material layer at the second end are offset, the second direction being the length direction of the current collector, in which the tail end of the first active material layer is located between the tail end of the second active material layer and the second end of the current collector; a groove is formed on the first active material layer, and the projection of the tail end of the second active material layer along the first direction falls within the groove. For the electrode of this invention, damage to the electrode can be effectively prevented during rolling.