140results about How to "Simple locking structure" patented technology

A swivel-type portable flash device includes a C-shaped swivel cover that rotates (swivels) relative to a housing between an open position in which a plug connector is exposed for insertion in a host system, and a closed position in which the plug connector is covered and protected by the swivel cover. The swivel cover is permanently rotatably connected to the housing by way of ring-shaped protrusions that are movably engaged inside corresponding recessed ring-shaped grooves formed in upper/lower walls of the housing, whereby the swivel cover is manually rotatable relative to the housing between the opened and closed positions. The swivel cover also includes locking structures (e.g., locking notches) disposed on the ring-shaped protrusions, and the housing includes second locking structures disposed in the recessed ring-shaped grooves, where the first locking structures operably engage the second locking structures to prevent rotation of the swivel cover when the plug connector is in the closed position.

The invention discloses a swivel and closure construction method for a large-span continuous beam crossing an existing station. A constructed large-span continuous beam adopts a reinforced concrete box beam crossing the existing station and the front end and the rear end of a span are supported on a second buttress and a third buttress respectively; the swivel and closure construction process comprises steps as follows: step one, swivel system construction: a swivel system is constructed at the bottom of each of the second buttress and the third buttress and comprises a lower support disc, an upper rotating disc, a bridge swivel spherical hinge and a swivel traction system, multiple support legs are arranged at the bottom of the upper rotating disc, and an annular slide way allowing the support legs to slide is formed on a lower bearing platform; step two, construction of the second buttress and the third buttress; step three, construction of a front side beam body and a rear side beam body; step four, plane swivel construction; step five, side span closure construction; step six, mid-span closure construction. According to the method, the steps are simple, the design is reasonable, the construction is simple and convenient, the use effect is good, the swivel and closure construction process of the large-span continuous beam crossing the existing station can be completed simply, conveniently and rapidly, and the construction process is safe.

The invention discloses a swivel construction method for a large span continuous beam which spans an existing station. The constructed large span continuous beam is a reinforced concrete box beam which spans the existing station and the two ends of a middle span of the constructed large span continuous beam are supported on a second buttress and a third buttress correspondingly. A swivel construction process includes the steps that (1) swivel system construction is performed, specifically, swivel systems are constructed at the bottom of the second buttress and the bottom of the third buttress correspondingly, each swivel system comprises a lower supporting disc, an upper rotary disc, bridge swivel spherical hinges and a swivel hauling system, multiple supporting feet are disposed at the bottom of the upper rotary disc, and a lower bearing platform is provided with an annular sliding way where the supporting feet slide; (2) construction of the second buttress and the third buttress is performed; (3) construction of a front side beam body and a rear side beam body is conducted; and (4) plane swivel construction is carried out, specifically, the plane swivel construction is performed through the two swivel systems and the two swivel hauling systems. The swivel construction method for the large span continuous beam which spans the existing station is simple in steps, reasonable in design, easy and convenient to construct, good in using effect, capable of easily, conveniently and rapidly finishing the swivel construction process for the large span continuous beam spanning the existing station and safe in construction process.

A molding device for the production of containers in thermoplastic material by blowing or blow-drawing, including a mold with two mold halves mutually mobile and provided with a locking device with first and second lock elements, in the form of catches, extending over the whole height of the respective mold halves and a projecting wing on one mold half, including a rotation surface on which a mobile piece is applied over the whole height thereof which includes the second lock element, such that, on blowing, the forces are taken by said mobile piece over the height of the mold by means of the rotation surface.

The invention relates to a plug, a socket and a high-voltage interlocking connector assembly. A plug housing is provided with a first locking piece, one end, which is oriented towards the socket, of the first locking piece is provided with a lock hook, a socket housing is provided with a lock catch in hooking cooperation with the lock hook, and the other end of the first locking piece is an unlocking end; the plug housing is also provided with an elastic cantilever, the lower end of the suspension extending end of the elastic cantilever is provided with a lock block, the socket housing is provided with a block in stopping cooperation with the lock catch in an insertion direction, and when the elastic cantilever is compressed, the elastic cantilever drives the lock block to move downwards and can be staggered from the block so as to go beyond the block; and when the lock hook hooks the lock catch, there is a certain distance between the lock block and the block in the insertion direction. The high-voltage interlocking connector assembly realizes secondary separation of the plug and the socket through the first locking piece and the elastic cantilever, the structure is simple, and the operation is convenient.

The invention discloses a movable joint assembly which comprises a ball seat and a ball head. The ball seat comprises a ball seat body. A ball head cavity is arranged on the ball seat body. The ball head matched with the ball head cavity is arranged in the ball head cavity. A strip-shaped gap is formed on the ball seat body and extends out of an opening of the ball head cavity. A surrounding locking mechanism is arranged at the position, corresponding to the outer side of the ball seat body, of the ball head cavity. When the surrounding locking mechanism tightly holds the position, corresponding to the ball head cavity, of the balls seat body from the outer side, the strip-shaped gap allows the parts, on the two sides of the strip-shaped gap, of the ball seat body to deform inwards so as to jack and lock the ball head. The movable joint assembly has the beneficial effects that the ball seat body has certain deformation cavity, the ball head can be placed conveniently and can be freelyadjusted to the proper angle, then the ball head is locked by the surrounding locking mechanism, and the structure is simple and reliable.

The invention belongs to the technical field of parking management, and particularly relates to a temporary parking guidance management system based on big data intelligent analysis, which comprises aserver side and a user side. The server side comprises a vehicle information acquisition unit, a planning analysis unit, an information storage unit, a charging unit, a credit unit and an operation management unit. According to the invention, the unoccupied parking spaces in the community can be fully utilized, the utilization rate of the parking spaces is improved, the problem of difficult parking is solved, meanwhile, the unoccupied parking spaces in the community in the same area are coordinated and allocated, the parking management difficulty in the community is reduced, and the management efficiency is improved.

The invention belongs to the field of plastic production and processing technology, and discloses a plastic rod handling device. The plastic rod handling device includes a handling dolly, and a hanger and a installation platform are mounted on the handling dolly, and the hanger is equipped with horizontal guide rails, and the guide rails are slidably matched with a clamping mechanism. The clamping mechanism includes a cylinder rod vertical downwards inserted into the installation platform, and a left rack is perpendicularly connected to one side of the cylinder rod and is meshed with a left gear, and a right rack is perpendicularly connected to the other side of the cylinder rod and is meshed with a right gear. A gear shaft of the left gear is connected with a left gripper, and a gear of the right gear is connected with a right gripper. The left gripper and the right gripper are mirror symmetry, and are equipped with locking mechanisms. The plastic rod handling device has a simple structure, and can save the manpower and greatly improve handling efficiency.

The present invention provides an automotive pretensioner seatbelt system, which includes a seatbelt webbing, a slip ring, a buckle, a pretensioner and a retractor. One end of the webbing is fixed to the anchor site of the vehicle body, while the other end of the webbing goes through the slip ring and links to the retractor. The pretensioner includes a stroke enlargement mechanism and a power source. The stroke enlargement mechanism includes a fixed component and a movable component. The webbing is wound around the fixed component and the movable component. The stroke enlargement mechanism ensures that the length of webbing retracted by the pretensioner is greater than the displacement of the movable component. Compared to conventional seatbelt systems, this seatbelt system allows more webbing to be retracted in the same time duration; in other words, it takes less time to retract a webbing of the same length. In this way, pretension of the present invention can be realized more efficiently.

This invention discloses an electronic lock, including cam lock assembly, electronic control assembly, lock latch assembly and latch bolt assembly. The latch bolt assembly includes latch bolt, latch bolt bracket and latch shaft. The latch bolt mentioned is pivoted at the latch bolt bracket, while latch shaft is translational positioned at it. By the latch shaft, cam bolt and electronic control assembly can connect with latch bolt and latch component in sequence. The latch shaft is configured with reset and compression spring, while latch bolt is with torsion spring and latch mounting parts, then the latch is able to linkage connect through latch mounting parts. From stated above, we can know the invention is ingeniously designed to lock/unlock latch parts, having lock assembly and electronic control assembly sharing one set of lock bolt (latch bolt). It can be seen that the invention effectively simplifies the existing lock structure.

The invention provides an unmanned plane for plant protection. The unmanned plane comprises an installation board mechanism, an undercarriage mechanism, a spraying mechanism, a folding and locking mechanism, a mechanical arm mechanism, a motor base mechanism, and a power mechanism. The installation board mechanism comprises an upper center plate and a lower center plate, which are oppositely arranged. A battery support plate is fixed on the surface of the upper center plate. A flight control plate is fixed on the surface of the lower center plate. The undercarriage mechanism comprises an undercarriage top plate fixedly connected to the bottom surface of the lower center plate. A steering engine base is fixed on the bottom of the undercarriage top plate and is connected to a steering enginerocking bar. The steering engine rocking bar is connected to a rotary sleeve through a rocker arm. The rotary sleeve sleeves a T shape scaffold. The spraying mechanism comprises a medicine barrel, which is fixedly connected to the lower part of the lower center plate, a conduit, which is communicated with the medicine barrel, and an electric water pump, which deliver medicinal liquor in the medicine barrel to the conduit. The folding and locking mechanism comprises a locking mechanism, which is fixed on the surface of the upper center plate and is used to lock the mechanical arm mechanism. The motor base mechanism is fixedly connected to the mechanical arm through an engine base sleeve. The structure is simple, the operation is convenient, and the cost is low.

The invention discloses a foundation bolt pre-burying auxiliary welding device, and belongs to the technical field of electric auxiliary tools. The foundation bolt pre-burying auxiliary welding device comprises a bottom plate, a positioning sleeve, a sliding block and a locking part, wherein sliding grooves are formed in the bottom plate radially by taking the central point of the bottom plate as a circle center; central included angles in a length direction among adjacent sliding grooves are equal; scales corresponding to lengths of the sliding grooves are formed in one side in the length direction of the sliding grooves in the bottom plate; a positioning hole is formed in the axial direction of the positioning sleeve; an opening is formed in one end of the positioning sleeve; the end, where the opening is formed, of the positioning sleeve serves as an open end; the bottom wall of the positioning hole serves as a positioning surface; the open end penetrates through the sliding grooves in the bottom plate and is then connected with the sliding block; a positioning boss is arranged, or a clamping plate is connected, onto the outer wall, adjacent to the open end, of the positioning sleeve; a connecting hole matched with the open end is formed in the sliding block; a locking hole matched with the locking part is formed in the sliding block; a calibration device is arranged on the sliding block. By adopting the foundation bolt pre-burying auxiliary welding device, a foundation bolt can be welded by only one person, the working efficiency is high, and the welding quality is good.

The invention provides a heat processing apparatus used for the heat treatment of a workpiece, wherein the rod shaft part of the upper portion of a workpiece or the cup-shaped body of the lower portion of the workpiece is subjected to heat treatment by the heat processing apparatus. The heat processing apparatus comprises a temporary phase determination mechanism, a formal phase determination mechanism, a workpiece lower portion heat treatment part and a workpiece upper portion heat treatment part. The heat processing apparatus also comprises one ore more than two of the following members: a desk type conveying mechanism and a suspension bracket type conveying mechanism used for confirming the position of a workpiece or a centering abutting member; a processing component symmetrically equipped with rotary clamping mechanisms with respect to a rotary shaft; a heat treatment head for fixing a fixed base at a predetermined position and connected with a workpiece cooling water pathway; a heating coil for connecting a powered terminal and a power supply terminal and connected with the workpiece cooling water pathway; a workpiece upper portion heating unit for fixing the heating coil of the rod shaft part and the heating coil of the cylinder shaft part at different layers; a rotary cooling device for cooling a workpiece during rotation; and a locking construction for preventing the driving of a heat treatment production line when the locking of an open-close door is unlocked.

The invention provides a wire take-up reel and a cable splitter using the wire take-up reel. The wire take-up reel includes a wire reel and two baffles arranged at both axial ends of the wire reel, at least one of which is a movable baffle. , the movable baffle is rotatably set on a support shaft through the bearing structure, and the movable baffle is fixedly assembled relative to the support shaft in the axial direction of the support shaft. The plate is detachably assembled with the bobbin through the locking structure arranged between the supporting sleeve and the supporting shaft. The locking structure includes a locking pin arranged on one of the supporting sleeve and the supporting shaft and a locking pin arranged on the other. The stop groove is used to make the lock pin engage with the stop groove to lock and disengage to unlock by rotating the support shaft. The assembly and disassembly of the movable baffle can be realized by rotating the support shaft, the assembly and disassembly process is quick and convenient, and the assembly and disassembly efficiency can be improved.