46results about How to "Prevent self-opening" patented technology

The invention relates to a self-locking drawer slide track, which is a three-level telescopic slide track device capable of extending in a three-level manner. The three-level telescopic slide track has a function of preventing a drawer from opening due to shaking. The technical scheme includes that the self-locking drawer slide track comprises outer tracks, middle tracks and inner tracks which are mutually nested in an overlying manner, slide strips with roll balls are respectively mounted between each outer track and the corresponding middle track and between each middle track and the corresponding inner track, limiting structures are respectively arranged on the outer tracks, the middle tracks and the inner tracks and prevent the outer tracks, the middle tracks and the inner tracks from being separated from each other, a lock catch is fixed at the front end of each outer track, and fastener teeth are arranged at the front end of each inner track; and the inner tracks are fixed on a furniture body, the outer tracks are fixed on two outer side walls of the drawer, when the drawer is closed, the fastener teeth and the lock catches are mutually fastened, and accordingly the problem that the drawer opens automatically due to shaking is avoided. When needing to be opened manually, the drawer is pressed to the direction of the furniture body by a small distance, and can be freely opened in the small distance.

The invention relates to cleaning equipment for animal husbandry, and particularly relates to animal house cleaning equipment for animal husbandry. Therefore, a technical problem of the invention is to provide the animal house cleaning equipment for animal husbandry capable of relieving aching pain of arms and conveniently cleaning feces. The animal house cleaning equipment for animal husbandry ischaracterized by comprising a trolley, a vertical plate, a horizontal plate, a first connecting plate, a guiding rod, a wedge-shaped block, a rack, a first sliding rod, a first sliding sleeve, a first spring, a second connecting plate, an L-shaped plate and the like, wherein the vertical plate is connected to a right side of the trolley; the horizontal plate is connected to an upper part of a left side of the vertical plate; the first connecting plate is connected to the left side of the bottom of the horizontal plate; a guiding hole is formed in a lower part of the first connecting plate; the guiding rod is arranged in the guiding hole; the wedge-shaped block is connected to a left end of the guiding rod. The animal house cleaning equipment provided by the invention achieves the effectsof relieving aching pain of arms and conveniently cleaning feces by cleaning the feces in the animal house by moving a bucket to the left without manually cleaning the feces in the animal house by using a shovel.

The invention discloses a drawer slide rail capable of preventing automatic opening of a drawer, which is a three-stage telescopic slide rail device capable of extending at three stages. The three-stage telescopic slide rail has the function of preventing opening under shaking. The slide rail comprises an outer rail, an intermediate rail and an inner rail, which are mutually superposed and fitted. Between the outer rail and the intermediate rail, and between the intermediate rail and the inner rail is disposed a slider bar equipped with a roll ball, respectively. A limiting structure for preventing detachment from each other is arranged on the outer, the intermediate and the inner rail, respectively. An elastic buckle seat capable of preventing opening under shaking is arranged at the bottom end of the inner rail, while a push-buckling part is correspondingly arranged at the inner end of the outer rail. For the furniture using the inventive slide rail, automatic opening under shaking can be prevented, by elastic buckling of the elastic buckle seat and the push-buckling part between the inner rail and the outer rail, in case of shaking during transportation.

The invention relates to a recoverable cement extruding bridge plug. A setting packer connector of the cement extruding bridge plug sleeves an unsetting connector; the setting packer connector and the unsetting connector are fixed by a setting packer shear pin; the setting packer connector and a slip cone body are connected through screw threads; a position limiting ring sleeves the slip cone body, is connected with the slip cone body through a step and is connected with a slip tube through screw threads; a slip and the slip cone body are glidingly connected through dovetail grooves; the outer circle surface of a lock ring and the inner circle surface of the setting packer connector are provided with mutually engaged screw threads and are provided with unidirectional buckles; the unsetting connector and a mandrel are fixed by the unsetting shear pin; the inner circle surface of a sealing sleeve is connected with the lower end of the mandrel through screw threads; a slip socket, a rubber tube and an isolation ring sleeve the sealing sleeve; a slide sleeve is positioned in an inner hole of the sealing sleeve; the sealing sleeve is sealed by an O-shaped ring; the upper end of the slide sleeve is provided with a jump ring structure; at the lower end of the slide sleeve, the downward motion of the slide sleeve is limited by the slide sleeve shear pin; a plug is connected with the screw threads of the sealing sleeve; and an anti-sticking layer is arranged on the outer surface of the plug. The recoverable cement extruding bridge plug has the advantages that the automatic opening of the slide sleeve is effectively controlled; and the cement counterflow is avoided.

Needlefree valve device (1) for controlling the flow of fluid in a pathway, the device (1) being operable in a closed and in an open configuration and comprising a first component (3), a second component (9), a locking means configured to selectively engage the first component (3) with the second component (9) in the open configuration when the first component (3) is displaced in an opening direction (23) along a valve axis toward the second component (9) or in the closed configuration when the first component (3) is displaced against the opening direction (23) away from the second component (9), and a sealing component (15) having a first resilient portion (19) and a second resilient portion (16), the first resilient portion (19) comprising at least one slit (26) and contacting the first component (9) to provide a seal in the closed configuration, wherein the first resilient portion (19) is adapted to move, buckle or flex to enable fluid flow through the at least one slit (26) upon application of a mechanical force of the first component (3) on the first resilient portion (19) in the opening direction (23) to assume the open configuration, and wherein the second resilient portion (16) is adapted to apply a counterforce to return the valve device (1) to the closed configuration when the mechanical force is no longer applied.

The invention relates to a connection arrangement of torque transmission used for a motor vehicle transmission system. The connection arrangement comprises a shaft neck (4) and a hollow shaft connection part (6), both of which are connected in an anti-twisting mode by means of a shaft-hub part (8). The shaft neck (4) and the hollow shaft connection part (6) have groove mechanisms connected with an annular locking element (14) in an action mode in order to fulfill the axial locking function. The groove mechanism of the shaft neck (4) is arranged in a shaft outer groove (10). The groove mechanism of the hollow shaft connection part (6) is an outer groove (12) of the hollow shaft. The locking element (14) is provided with radial locking regions (24, 26, 28, 30) pointing the shaft outer groove (10) and the outer groove (12) of the hollow shaft and has locking devices (16, 18) which enable the locking element (14) to expand in a radial direction during installation.

The invention belongs to the technical field of thread cutting, and particularly relates to a metal workpiece machining device utilizing thread cutting. A mounting frame is arranged in a chuck, an adjusting plate is arranged in the chuck, a sliding column is movably connected to the inner wall of the mounting frame, a limiting seat is fixedly connected to the inner wall of the mounting frame, a limiting spring is movably connected to the interior of the limiting seat, a limiting column is movably connected to one side of the limiting spring, a clamping groove is formed in the surface of the limiting column, a clamping column is movably connected to the interior of the clamping groove, an adjusting rod is rotationally connected to the position, located on the surface of the sliding column,of one end of the limiting column, the adjusting rod penetrates through the interior of a supporting seat, and a first rotating rod is rotationally connected to the surface of the sliding column and located on one side of the mounting frame. During use, the water outlet amount of a water outlet pipe can be automatically controlled, the phenomenon that much water is wasted during treatment is avoided, and convenience is brought to thread cutting of a bolt column.

The invention provides a double protection device for preventing a skip bucket bin door from being automatically opened. The double protection device for preventing the skip bucket bin door from beingautomatically opened comprises a frame, a cubic suspension device and a tension automatic balancing suspension device. The bottom of the cubic suspension device is arranged on the top of the frame, and the bottom of the tension automatic balancing suspension device is arranged on the top of the cubic suspension device. According to the double protection device for preventing the skip bucket bin door from being automatically opened, a bucket box and a movable bucket bottom can be prevented from being automatically opened or closed not tightly, and the phenomena that a bottom door is clamped and not closed tightly occasionally if a small amount of waste stone or stone powder is attached to the bin door, the skip bucket bin door is squeezed to be opened under the effect of the waste stone weight when an underground metering bucket of a skip bucket is filled with waste stone, the waste stone falls down to the well bottom from the skip bucket, more seriously, the skip bucket is dislocatedand disengaged from a shaft guide to collide a derrick and shaft guide sawn timber, and facilities in a shaft are damaged are avoided.

The invention discloses three-position lock security handcuffs and belongs to the field of restraint equipment for police. The handcuffs comprise handcuff rings, lock body shells, connectors and a chain. Each handcuff ring comprises a basic ring and a movable ring, one end of each basic ring and the corresponding lock body shell are fixedly mounted together, the other end of each basic ring is hinged to one end of the corresponding movable ring through a hinge, the other end of the each movable ring is buckled with the corresponding basic ring, and bolt holes corresponding to one another are formed in one end, buckled with each movable ring, of each basic ring. The connectors are arranged at corresponding ends of the two lock body shells respectively, and connected together through the chain. Rivet holes and an unlocking insertion hole II are formed in the front of each lock body shell, and an unlocking insertion hole I is formed in the lateral side of each lock body shell. A lock body frame with a U-shaped section is mounted in each lock body shell, at least one bolt is arranged in each lock body frame, and the lock bolts correspond to the bolt holes in the basic rings and the movable rings. Compared with the prior art, the three-position lock security handcuffs have the advantage of reasonable design, easiness in processing, convenience in operation, high safety and the like.

The invention discloses feed mixing equipment for pig raising. The feed mixing equipment comprises a shell and is characterized in that a motor is fixedly connected to the right side of the bottom of the inner cavity of the shell, a drive wheel sleeves the output end of the motor, support rods are fixedly connected to two sides of the top of the shell, a fixing rod is fixedly connected between the two support rods, a stirring box sleeves the fixing rod, an opening is formed in the top of the stirring box, a box door is hinged to the top of the stirring box through hinges, and the box door is matched with the opening. The feed mixing equipment has the advantages that by the coordination of the shell, castors, the motor, the drive wheel, a through hole, the support rods, the stirring box, a driven wheel, a rotary tube, the opening, the box door, a stirring rod, the fixing rod, a belt, a controller and support legs, the problem that existing feed mixing equipment is poor in mixing effect is solved, and the feed mixing equipment is even in mixing, convenient to use and worthy of popularization.

The invention relates to the technical field of road garbage compression equipment, in particular to road garbage treatment equipment based on gear rotation. A first servo motor is adopted to drive afirst gear to rotate, and then a first rod drives a second rod to move up and down, so that an upper compressing plate also moves, and downward compression is realized; when the second rod moves up and down, the second rod also drives a second inverted L-shaped rod to move left and right through a third rod, and road garbage is compressed rightwards; a compressing box shell is used in cooperation,so that the garbage is compressed quickly and efficiently; and a plugging assembly is arranged on a discharging port of a compressing box, wherein a plugging plate rotates around a hinge point at theright end, and when the plugging plate rotates to be attached to the bottom of the compressing box, the discharging port is plugged; and a screw rod is rotated to drive an L-shaped clamping plate tomove, and the left end of the plugging plate is clamped by the L-shaped clamping plate, so that the plugging plate is prevented from being opened automatically.

The invention discloses a skirting line capable of storing and classifying electric wires, and relates to the field of indoor decoration. A skirting line capable of storing and classifying electric wires comprises a skirting line base, a plurality of hooks are distributed on the skirting line base in the height direction of the skirting line base, the skirting line base is in shaft connection with a skirting line cover plate, and the skirting line cover plate can open/close the skirting line base around the position where the skirting line cover plate is in shaft connection with the skirting line base. The skirting line is mainly divided into the skirting line base and the skirting line cover plate which are rotationally connected through the rotating shaft, disassembly and assembly are convenient, the connecting stability of the skirting line base and the skirting line cover plate can be guaranteed, the situation that the connecting part of the skirting line base and the skirting line cover plate is damaged due to repeated disassembly and assembly of the skirting line is avoided, the rotationally-connected position is placed at the lower end, and wire arrangement work can be more convenient; and the influence of the skirting line cover plate is avoided.

The invention discloses an unmanned aerial vehicle storage box with a communication assisting function. The unmanned aerial vehicle storage box comprises a box body, a separation plate, a signal transmission module, a fixed plate and a buckle fixed block; the separation plate is fixed in the box body; the fixed plate is mounted in a cavity above the separation plate; the signal transmission moduleis arranged on one side of the fixed plate; a reflecting plate is fixed on the upper surface of the signal transmission module; fixed blocks, symmetrically distributed, are fixed on the upper surfaceof the signal transmission module; antennas are rotationally mounted in the fixed blocks through rotating shafts; a first box cover is rotationally mounted on the outer wall of the upper end of the box body; buffer pads are mounted on the inner wall of the cavity below the separation plate; a second box cover is rotationally mounted on the outer wall of one side of the box body; the buckle fixedblock is mounted at one end of the separation plate; and movable buckles are symmetrically mounted in the buckle fixed block through a rotating shaft. The antenna signal transmission and reception effects are improved through the reflecting plate; and the unmanned aerial vehicle storage box can store an unmanned aerial vehicle, and is more convenient to carry.

The invention discloses a bottom valve of a tank truck. The bottom valve comprises a pipe, a switch assembly and a self-locking assembly. The left end of the pipe communicates with the interior of thetank truck. The bottom end of the pipe is in sealing assembly with a sealing head. The sealing head is fixed to the bottom of a valve rod in an assembly manner. The top of the valve rod penetrates through an air cylinder and is fixed to a top block in an assembly manner. An installation chamber is formed in the air cylinder. A sealing cover, a power disk and a reset spring are arranged in the installation chamber from top to bottom. The power disk is fixed to the valve rod in an assembly manner. The valve rod is sleeved with the reset spring, and the reset spring is arranged between the powerdisk and the bottom of the installation chamber. A pressure chamber is formed between the power disk and the sealing cover. The pressure chamber communicates with an air outlet of the switch assemblythrough a first air inlet pipe. The power disk is in sealing assembly with the installation chamber. According to the bottom valve of the tank truck, with the self-locking unit, the situation that the sealing head is automatically opened can be effectively avoided, and therefore, leakage is avoided; and additionally, the self-locking assembly and the switch assembly are in the relation of being opened in sequence, and are both automatically opened through air flow, and therefore, usage is quite convenient to carry out.

The invention discloses a medical infusion auxiliary support provided with an adjusting structure. The medical infusion auxiliary support comprises universal wheels, damping springs and a base, wherein brake pads are arranged on the left sides of the universal wheels, the damping springs are arranged above the universal wheels, spring seats are arranged on the outer sides of the damping springs, the base is arranged above the spring seats, a fixing pipe is arranged above the base, connecting bolts are arranged at left and right ends of the fixing pipe, a locking bolt is arranged at the right end of the fixing pipe, a locking head is arranged on the right side of the locking bolt, and a clamping buckle is arranged on the outer side of the fixing pipe. Compared with an existing ordinary infusion auxiliary support, the medical infusion auxiliary support provided with the adjusting structure has the advantages that movement is convenient, a storage box is arranged to facilitate placement of articles such as a water glass by a patient and placement of a liquid medicine bottle by a nurse, the time for the nurse to take the liquid medicine bottle back and forth is saved, and meanwhile, aheating device is arranged to prevent cold liquid medicine from entering the body of the patient to cause cold irritation.

The invention discloses a medicine box for real-time monitoring of a storage environment temperature based on a temperature measuring circuit. The medicine box solves the problems of forgetting to take medicines, children mistakenly taking medicines box and inaccurate timing reminding. The present invention includes a lid, The box body, the bite piece, the outer cover, the bite mouth, the inner cover, the bump, the upper screw thread, the round hole, the lower screw thread, the top surface of the box body is provided with a timing reminder box, the timing reminder box is provided with a time sensor and a microprocessor connected with the time sensor, the top surface of the timing reminder box is provided with a photoelectric alarm connected with the microprocessor, and the timing reminderbox is provided with a temperature measuring circuit. The invention has simple structure and is convenient to carry and use. Especially suitable for families with children and the elderly to store medicines, easy to manage, more conducive to the safety of children, while reminding the elderly to take medicines, temperature compensation circuit eliminates the temperature drift of the time sensor tomake timing more accurate.

The invention discloses crown wall skin removing equipment. The crown wall skin removing equipment comprises a base, a lifting cavity is formed in the middle of the base, a lifting column is arrangedin the lifting cavity, a lifting mechanism is arranged between the lifting column and the base, the upper end of the lifting column extends to the upper side of the base and is provided with a removing mechanism, a collecting mechanism for collecting stripped wall skin is arranged in the middle of the lifting column, a bottom plate is arranged at the lower end of the base, and a plurality of evenly-distributed tires are arranged on the two sides of the bottom plate. The crown wall skin removing equipment has the beneficial effects that a baffle and a striker plate capable of being unfolded andcontracted are used for collecting the stripped wall skin fragments, and wall skin stripping work can be conveniently carried out on the edges and dead corners of crown wall.