89results about How to "Automatic locking" patented technology

The invention relates to a pneumatic continuous needle-free syringe adopting control of a pneumatically-controlled slide column valve. The pneumatic continuous needle-free syringe comprises a main body part, a pilot valve and the pneumatically-controlled slide column valve, wherein the pneumatically-controlled slide column valve is arranged in a control valve casing (29) of the main body part, the pilot valve is triggered to control compressed air to drive the pneumatically-controlled slide column valve, and an air cylinder is driven by the pneumatically-controlled slide column valve to drive a plunger pump to pressurize a medicine liquor. When the pilot valve is triggered by a trigger, the quick shooting is realized; when the pilot valve is triggered by a handle, the quick shooting and automatic shooting are realized. The pneumatic continuous needle-free syringe has the characteristics that the shooting is quick, the flow jetting parameter is stable, the continuous transfusion repetitiveness is good, and the safety and reliability in use are realized; the medicine liquor can be accurately, quantitatively and quickly transfused into bodies of people and animals in a high pressure liquid column jetting way; when the people and the animals are transfused, the transfusion is completed through automatic shooting when a microporous jetting spray head is in effective contact with the people and animals and is in certain pressing state.

The invention relates to a push eject lock and a washing machine. The push eject lock comprises a spring bolt and a push eject lock body, wherein the spring bolt can be movably inserted into the push eject lock body; a cam is arranged in the push eject lock body; a groove locked with a lock hook at the end part of the spring bolt in a matching way is arranged on the cam; a lock catch reed is also arranged in the push eject lock body; one end of the lock catch reed is fixed; a lock catch matched with a lock catch slideway on the cam is arranged at the other end of the lock catch reed, so that the rotation of the cam is locked or unlocked. Through the push eject lock formed by a cam lock catch reed structure, a user only needs to provide a push eject external force to the spring bolt so as to control the cam to rotate accordingly, so that the aim of automatically locking the push eject lock or push eject opening is achieved; meanwhile, a detergent box controlled by the push eject lock and pushed by an elastic component is arranged on the washing machine, so that the use aims of automatic locking and push eject opening can be achieved on the detergent box by less push eject external force, and the detergent box has a push eject opening and closing function.

The invention relates to a push-ejection type detergent box and a washing machine. The push-ejection type detergent box structurally comprises a water box mounted on a washing machine shell and is characterized in that a detergent box body which can be pulled out and pushed in is mounted in the water box; a push-ejection lock component is arranged between the water box and the detergent box body and provides push-ejection external force for the detergent box body to change the locking state of the lock component so as to achieve locking and unlocking between the water box and the detergent box body. The detergent box has the advantages that the detergent box which is controlled by the push-ejection lock and uses an elastic component to provide push-out power is mounted on the washing machine, automatic locking and push-ejection opening of the detergent box can be achieved by small push-ejection external force, and the detergent box is allowed to have a push-ejection opening and closing function.

The invention discloses a retractable arresting hook device of an unmanned aerial vehicle. The retractable arresting hook device is composed of a base, an upper lock and an arresting hook. The base isused for installing the arresting hook and the upper lock, the base serves as an installation connector of a fuselage structure, and the installation connector can be flexibly designed according to the fuselage structure and is particularly suitable for being adaptively installed on an unmanned aerial vehicle without an arresting device. The arresting hook is installed on a rotating shaft of thebase through the torsional spring, the torsional spring is limited through the limiting block, and the installation position of the arresting hook is determined. The upper lock is installed on a rearend plate of the base through a lock body, and the hook arm in the folded state is locked in the notch through the lock hook. The reset spring enables the lock hook to keep a vertical locking state when the actuating mechanism does not act, the actuating mechanism drives the firing pin to move after being powered on, and the lock hook is pushed to rotate to achieve unlocking. In the releasing process, the actuating mechanism directly drives the lock hook to unlock, and the mechanism is simple; in the working process, the torsional spring provides a buffering function and can reset automatically, and no buffer fault risk exists.

The invention relates to an external heating cup pick and place self-locking device and a water fountain. The pick and place self-locking device comprises a water injection rod component and a pull rod, wherein the water injection rod component comprises a water injection rod seat, a water injection rod and a supporting frame; the water injection rod is arranged on the water injection rod seat; the supporting frame covers the water injection rod and is fixedly connected with the water injection rod seat; the pull rod is hinged to the water injection rod seat, the top end of the pull rod is positioned above the water injection rod, and the tail end of the pull rod is hinged to a water fountain panel; an elastic component is arranged between the water injection rod and the supporting frame; one end of the elastic component is hinged to the water injection rod, and the other end of the elastic component is hinged to the supporting frame; the included angle between the axis of the elastic component and the axis of the water injection rod is an acute angle. According to the external heating cup pick and place self-locking device, the elastic component is arranged between the supporting frame and the water injection rod, and the locking of the water injection rod can be automatically realized when an external heating cup is taken out, so that the external heating cup is prevented from falling, and the entire process can be finished with a single hand and is extremely convenient and fast.

The invention discloses a protective fence and a control method thereof. Through a first pressure sensor arranged on an upright column or side edge bar of the protective fence, pressure exerted by aninfant on the protective fence can be detected in time when the infant crawls outward or tries to turn over a side edge frame, a first pressure signal is output correspondingly, a corresponding firstcontrol signal is output by a controller, mortises and tenons are automatically controlled to lock the upright column to ensure that the side edge frame plays a protective role, and the infant cannotfall to cause injuries from a bed due to misoperation, while the good protection effect is achieved, operation steps are simplified and use experience of a user is improved.

The invention discloses a locking oil cylinder. The locking oil cylinder comprises a cylinder body. An upper end cover is arranged at the upper end of the cylinder body, and a lower end cover is arranged at the lower end of the cylinder body. A piston body is slidably connected in the cylinder body in the vertical direction, and a piston rod extending out of the upper end cover is arranged at theupper end of the piston body in the vertical direction. A rodless cavity is formed between the piston body and the lower end cover in the cylinder body, and a rod cavity is formed between the piston body and the upper end cover. A port A communicated with the rodless cavity is formed in the side face of the lower end cover, and a port B communicated with the rod cavity is formed in the side face of the cylinder body. A mounting groove communicated with the rodless cavity is formed in the lower end cover in the vertical direction, a locking rod extending vertically is arranged at the center ofthe bottom of the mounting groove, and a locking block is fixedly mounted at the upper end of the locking rod. A locking groove is formed in the lower end of the piston body. A locking assembly is arranged in the locking groove. An unlocking assembly is arranged in the lower end cover. The locking oil cylinder is simple in structure and capable of automatically locking and unlocking the piston body.

The invention provides a round hole spacing detection device for machining, relates to the technical field of detection devices, and solves the problems that continuous detection cannot be realized through structural improvement, and continuous feeding and continuous detection are in mutual linkage work in the continuous detection process. And rapid adjustment of the detection head and automatic locking after adjustment cannot be realized through structural improvement. The invention discloses a round hole spacing detection device for machining. The device comprises a mounting main body, a material storage barrel is installed on the mounting main body, material plates are stacked in the material storage barrel, and a detection structure is installed on the material storage barrel. Two limiting blocks are welded on the mounting main body; a feeding block comprises a rectangular block, two rectangular blocks are symmetrically welded to the feeding block, when the elastic piece elastically stretches, the two rectangular blocks make contact with the limiting block, the head end of the feeding block is flush with the tail end of the limiting block at the moment, so that accurate feedingof the material plate is achieved.

The invention provides a multifunctional operation and maintenance operation vehicle for an extra-high-voltage direct-current phase modifier station, and belongs to the technical field of electric power operation and maintenance. The vehicle comprises a flat car and a trolley. Wheels are arranged on the lower portion of a trolley head of the trolley, a supporting rod is arranged on the lower portion of a trolley tail, an arc-shaped supporting plate is arranged on the top, a gas cylinder baffle is vertically and fixedly arranged at the trolley tail end, and the central axis of the arc-shaped supporting plate is perpendicular to the gas cylinder baffle. The flat car is an electric four-wheeler, a platform of the flat car is provided with wheel pits used for containing wheels of the trolley and supporting grooves used for containing supporting rods of the trolley, and the wheel pits and the supporting grooves are sunken downwards. The tail of the flat car is provided with a control handle for control and a pedal for an operator to stand, and the head of the flat car is provided with a tail plate for the trolley to go up and down. The transportation problem of auxiliary service equipment and facilities of the phase modifier station can be solved, the transportation difficulty can be effectively reduced, and the working efficiency is improved.

The invention relates to the field of building construction, in particular to a building construction dustproof net convenient to lay. The dustproof net comprises a supporting and collecting frame, fixed connecting blocks, first telescopic rods, sliding supporting seats, second telescopic rods, supporting and collecting barrels and the like, wherein the fixed connecting blocks are fixedly connected to the left side of the interior of the supporting and collecting frame, the six supporting and collecting barrels are connected into the supporting and collecting frame in a linear distribution mode in a sleeved mode, the sliding supporting seats are connected to the bottoms of the supporting and collecting barrels through bolts, a pair of first telescopic rods is fixedly connected between the sliding supporting seat located on the left side and the fixed connecting block jointly, and a pair of second telescopic rods is fixedly connected between every two adjacent sliding supporting seats jointly. When a building construction site needs to be surrounded, a push grab handle and the devices on the push grab handle are manually pulled to move leftwards, winding dustproof nets can be sequentially unfolded, laying is facilitated, the situation that the surrounding environment is affected due to the fact that dust on the building construction site drifts away is prevented, and the purpose that the winding dustproof nets are conveniently laid is achieved.

A new type of medical refrigerator device, including a box body and a test tube rack. A cavity is arranged in the box body, a first sliding groove extending left and right is arranged in the bottom wall of the cavity, and a left and right extending groove is arranged in the bottom wall of the first sliding groove. The second sliding groove, the sliding block is installed in the second sliding groove to slide left and right, the screw thread in the sliding block is equipped with a screw rod, and the left end of the screw rod is rotatably installed on the second In the left end wall of the sliding groove, the right end is connected to the motor fixedly installed in the right end wall of the second sliding groove, and a sliding piece is installed in the first sliding groove so as to slide left and right, and the sliding piece is fixedly connected with the sliding block , the right end of the sliding part is fixedly installed with a bearing plate, and the supporting plate is provided with a card strip extending left and right. The second shifting groove with the mouth facing right is mutually called, and a communicating groove is arranged between the first shifting groove and the second shifting groove, and a toothed wheel is rotatably installed in the communicating groove.

The invention discloses a task equipment connecting mechanism. The mechanism comprises an airborne end installed on an aircraft and an equipment end installed on task equipment, wherein the airborne end is provided with an electric connection port, the equipment end is provided with an electric connection head matched with the electric connection port, the airborne end is provided with a sliding groove for the equipment end to be inserted in, and an anti-falling locking mechanism for preventing the equipment end from exiting from the sliding groove is further arranged between the airborne endand the equipment end. The task equipment connecting mechanism is advantaged in that the task equipment can be quickly mounted and dismounted, different task devices can be conveniently replaced to achieve different functions, the application range is enlarged, mechanical connection and electrical connection are integrally achieved, operation is easy and rapid, connection reliability is high, safety is high, the automatic locking function is achieved, and the situation that the task devices are accidentally disengaged and fall off can be effectively avoided.

The invention discloses a battery replacing device for an electric automobile, and belongs to the field of electric automobiles. The technical problems are solved by the battery replacing device for the electric automobile, wherein the battery replacing device is free of environmental interference, good in stability and high in safety coefficient. In the adopted technical scheme, the battery replacing device for the electric automobile comprises a battery box, a battery tray is arranged below the battery box and is a rectangular tray, a locking frame is arranged on the edge of the tray, locking holes are uniformly distributed in the locking frame, locking pins are arranged on the side, making contact with the battery tray, of the battery box, correspond to the locking holes, and are connected through a connecting rope, and an electric stretching device is arranged on the connecting rope. The battery replacing device can be widely applied to the field of electric automobiles.

The invention discloses a heat preservation device of a chemical pipeline, and aims to provide a heat preservation device which is tightly locked. The heat preservation device comprises a first heat preservation sleeve and a second heat preservation sleeve; a first connecting block is arranged at one end of the first heat preservation sleeve, the first heat preservation sleeve is fixedly connectedwith the first connecting block, a second connecting block is arranged at one end of the second heat preservation sleeve, and the second heat preservation sleeve is fixedly connected with the secondconnecting block; and the first connecting block is provided with a first groove and a self-locking buckle, the self-locking buckle is installed in the first connecting block through the first groove,the second connecting block is provided with a clamping hole matched with the self-locking buckle, the other end of the first heat preservation sleeve and the other end of the second heat preservation sleeve are each provided with a locking device, and the locking devices are fixedly connected with the other end of the first heat preservation sleeve and the other end of the second heat preservation sleeve correspondingly. The heat preservation device has the following beneficial effects that automatic locking can be realized; loosening is prevented; connection is tight, and the heat preservation effect is good; and installation and dismounting are convenient, and the structure is simple.

The invention discloses an inspection door assembly of a circular silo. The inspection door assembly comprises an arc-shaped door plate, an arc-shaped rotating support used for installing the door plate, an arc-shaped pressing rod used for pressing the door plate to an inspection opening of the silo, and a locking pin used for pressing and locking the pressing rod; and the radian of the door platecoincides with the arc around the inspection opening of the silo, one end of the rotating support is hinged to the position, located on one side of the silo inspection opening, of the silo, the arc-shaped inwards-concave face of the rotating support and the arc-shaped outwards-convex face of the door plate are correspondingly installed, the pressing rod and the rotating support are oppositely hinged to the position, located on the other side of the silo inspection opening, of the silo, and the locking pin is fixed on the rotating support. Operation is easy, time and labor are saved, closing is tight, and deformation is not likely to happen.

The invention relates to an extensible baby's clothes hanger. The extensible baby's clothes hanger comprises a clothes hook and a support frame. The clothes hook is composed of a clothes hook body and a wind-proof buckle of the clothes hook. The wind-proof buckle is hinged onto the clothes hook body. The support frame comprises a support frame body and an extending support frame. The support frame body is of a hollow structure and connected to the lower end of the clothes hook. The extending support frame is placed at a hollow portion of the support frame body.The extensible baby's clothes hanger has following advantages: the extensible baby's clothes hanger can not only be used for airing baby's clothes but also for airing adult's clothes; and the wind-proof buckle helps to prevent clothes from being blown down by wind.

The invention provides an adhesive spreading mechanism based on a special textile fabric coating device, and relates to the field of coating devices. The problems are solved that the perfect cooperation of insertion installation and bolt fixing cannot be achieved for rapid installation, an installation failure can be caused if the corner of a spreading knife is slightly bumped in the transfer process, automatic locking cannot be achieved after adjustment, and the structural property is poor. The adhesive spreading mechanism based on the special textile fabric coating device comprises a production line frame and a lower knife holder, and an adhesive spreading structure is installed on the production line frame. A clamping groove A is of a structure shaped like a Chinese character 'zhong', and the connecting end of the spreading knife is also of a structure shaped like a Chinese character 'zhong'. A stop block A and a stop block B are welded in the clamping groove A and are in contact with the connecting end of the spreading knife, and when the stop block A and the stop block B are in contact with the connecting end of the spreading knife, the corner of the spreading knife is not incontact with the clamping groove A, so that normal installation is not affected when the corner of the spreading knife is slightly bumped in the placement or transfer process.

The invention discloses a specialized lever handle for bridge-cutoff aluminum alloy doors and windows. The specialized lever handle comprises a shell, a supporting groove, a control circuit board, a motor and a separation and combination sheet and is characterized in that the supporting groove is formed in the middle of the interior of the shell, and the control circuit board, the motor and the separation and combination sheet are arranged in the shell; the control circuit board is connected to the motor, and a rotating shaft is arranged on the motor and is connected to a gear wheel which is connected to the separation and combination sheet in a toothing manner; and a circular hole is formed in the supporting groove, and the rotating shaft passes through the circular hole and is connected to the gear wheel. The specialized intelligent automatic lever handle for the bridge-cutoff aluminum alloy doors and windows is connected to a bridge-cutoff aluminum alloy door and window transmission and can automatically lock the bridge-cutoff aluminum alloy doors and windows, thereby realizing functions of prevention of loose airtightness, air leakage and rain leakage and burglary and the like.

The invention is applicable to the technical field of camera equipment, and provides a camera adapter, a camera adapter device and a camera. The camera adapter comprises an outer cylinder body, an inner cylinder body and an adapter end plate, wherein the adapter end plate is arranged at one end of the outer cylinder body; the inner cylinder body is arranged in a space defined by the outer cylinderbody and the adapter base end plate, and can slide along the axis of the outer cylinder body; and an avoiding space is formed in the inner cylinder body. During use, a camera lens of the camera enters the avoiding space through stretching and retracting, and the camera lens can be prevented from being influenced by sand and dust in the environment in the avoiding space; and when the camera lens is in contact with the inner cylinder body, the camera lens can push the inner cylinder body to slide along the axis of the outer cylinder body, so that the camera adapter has a relatively short axialsize and is convenient for a user to carry.

The invention relates to a high protection intelligent trigger locking door. The high protection intelligent trigger locking door includes a door body (1) and a door frame (2) corresponding to the door body (1), three spring bolts (3), a control module (4), and a power module (5), an acceleration sensor (6), a distance measuring sensor (7), two unlocking control devices (8) and three telescopic rod motors (9) which are connected to the control module (4). According to the technical scheme, hardware modules are connected to constitute the high protection intelligent trigger locking door, wherein each spring bolt (3) is designed to match the width of the edge where the spring bolt (3) locates, so that the hardness of the spring bolts (3) is greatly improved, and an intelligent trigger electronic control structure is combined to achieve automatic locking.

The invention provides a water-turbine generator set speed measuring device, relates to the field of generator set speed measurement, and solves the problems that automatic locking cannot be realizedduring adjustment, a locking structure is usually manually driven to lock after adjustment, and the operation is relatively tedious, an adjusting structure is poor in protection performance, collisionprotection cannot be achieved, and burrs are likely to be generated after a hard object collides with a sliding structure to influence the sliding quality. The water-turbine generator set speed measuring device comprises a fixing seat structure. The top end face of the fixing base structure is rotationally connected with a gear A. The telescopic arm body is further fixedly connected with a protective cover through a bolt, the protective cover is of a concave structure, and therefore the phenomenon that the top end face, the left end face and the right end face of the telescopic arm body are impacted by hard objects to deform to cause sliding blockage can be prevented. The protective cover is slidably connected into the sliding groove B, and the inner contour of the sliding groove B is larger than the outer contour of the protective cover, so that sliding is not affected when the protective cover slightly deforms.