111results about How to "Prevent crooked" patented technology

The invention discloses an automatic assembly machine for a panel socket. The automatic assembly machine comprises a rack, a master control device, a first material transfer belt and a second material transfer belt that are arranged on the rack, wherein a fixed screw installation position, a wall screw installation position, a screw cap installation position and a first screening position are sequentially arranged on the rack along a material transfer direction of the first material transfer belt, a power-off test position, a power-on test position, a pull-plug force test position, a high voltage test position, a security door test position and a second screening position are sequentially arranged on the rack along a material transfer direction of the second material transfer belt, and the rack is further provided with a material transfer mechanism for transferring a workpiece from the first material transfer belt to the second material transfer belt. The automatic assembly machine has a simple, reasonable structure, is convenient to operate, effectively saves human resources and manufacture cost, lowers labor intensity of workers, improves production efficiency, effectively lowers scrap rate and improves product consistency.

A nail guiding structure of the present invention is disposed inside of the nail gun having a nail rail. The nail guiding structure includes one or more supporting members and a holding mechanism. The supporting member can move between a first and a second position, wherein the supporting member can move toward the first position to elastically push nails in the air gun, so that the nails can be vertically held in front of the nail rail. The holding mechanism can selectively hold the supporting member, so that the supporting cannot move back to the second position. Thereby, a user can move the holding mechanism to adapt for different thicknesses of nails. Only one nail can move to the front of the nail rail every time when a punching board of the nail gun punches. Consequently, the problems of nail jamming or crookedly stapling are prevented.

The invention discloses a floating hydraulic clamping chuck for a vehicle. The floating hydraulic clamping chuck comprises a main shaft, a machine tool pull rod, a chuck seat, a tensioning block, a sliding block, a floating apex, a clamping claw, a pull rod and a lever, wherein the chuck seat is positioned at the center of the front end of the main shaft, and the chuck seat and the main shaft are in sliding fit and threaded connection; the tensioning block is positioned at the center in the chuck seat, and the tensioning block and the chuck seat are movably connected; the sliding block is positioned at the center of the upper side of the front end of the chuck seat, and the sliding block and the chuck seat are in threaded connection; the floating apex is positioned at the center of the front end of the chuck seat, and the floating apex and the chuck seat are in threaded connection; the clamping claw is positioned at the center of the upper side of the front end of the chuck seat, and the clamping claw and the chuck seat are in threaded connection; the pull rod is positioned at the center of the left end of the tensioning block, and the pull rod and the tensioning block are in threaded connection; the lever is positioned at the center of the upper side of the front end in the chuck seat, and the lever and the chuck seat are in threaded connection. The floating hydraulic clamping chuck is easy to operate, quick in clamping and high in precision; the work quantity is reduced, the production efficiency is improved, and scrapping of a workpiece is avoided.

A speed responsive damper (10) comprises a cylinder (11) in which a fluid is filled, a piston (13) slidably fitted into the cylinder and having an orifice (19a) through which the fluid passes, a piston rod (14) having one end fixed to the piston and the other end extended to the outside of the cylinder, and a slider (15) which is disposed in the cylinder and movable in a predetermined range relative to the piston, and regulates the amount of the fluid passing through the piston. Since the orifice is formed at the end of the piston, explosive noise of air can be lowered, swirl and slip of oil can be prevented from occurring, and the piston rod can be prevented from being tilted.

The invention discloses an automatic conveying device of a dispensing machine. The automatic conveying device comprises a conveying platform, wherein battery covers are conveyed on the conveying platform from right to left, at least two storage frames are arranged above the right end of the conveying platform in a left-right parallel manner, the battery covers are vertically overlapped in the storage frames, the storage frames are through up and down, an air cylinder is arranged in front of the right end of the conveying platform and is used for clamping or releasing the battery covers in the storage frames, a top plate is arranged at the middle of the conveying platform, first limit blocks, second limit blocks and third limit blocks are respectively arranged at the left part, the middle and the right part of the top plate, the top plate, the first limit blocks, the second limit blocks and the third limit blocks are driven by corresponding air cylinders to be lifted up and down, an operator only needs to overlap the battery covers in the storage frames, the number of battery covers in the storage frames, falling on the conveying platform in unit time, is controlled by an air cylinder, and three pairs of limit blocks are arranged on the conveying platform and can be used for automatically limiting the conveyed battery covers to ensure that the battery covers fall on specified stations.

The invention relates to a device applicable to book sorting and belongs to the field of related technical equipment of a library. The device mainly comprises a main framework, wherein the top, the left side and the right side of the main framework are of an opening structure; the main framework is provided with a bottom plate, a front support plate and a rear support plate; universal wheels are mounted on the bottom plate; a front rotary disc is mounted on the front support plate, and a rear rotary disc is mounted on the rear support plate; bookshelves are arranged between the front rotary disc and the rear rotary disc; a front support shaft is arranged at the front end of each bookshelf, and a rear support shaft is arranged at the rear end of each bookshelf; the front support shafts andthe front rotary disc are in running fit, and the rear support shafts and the rear rotary disc are in running fit; distance between an axis of each front support shaft and the top of the correspondingbookshelf is smaller than distance between the axis of the front support shaft and the bottom of the bookshelf, and distance between an axis of each rear support shaft and the top of the corresponding bookshelf is smaller than distance between the axis of the rear support shaft and the bottom of the bookshelf; the front rotary disc is locked by a plug pin penetrating through a front baffle. Whenthe device is used for secondary sorting of books, the books cannot drop and slip, and a librarian is basically not required to bend down for taking the books.

The invention discloses a floating clamping three-jaw chuck for an automobile. The floating clamping three-jaw chuck for the automobile comprises a spindle, a chuck seat, a gear, a gear disc, a floating tip and a clamping jaw, the chuck seat is located at the center of the front end of the spindle in a sliding fit and threaded connection mode, the gear is located at the center of the left side of the upper end of the chuck seat in a movable connecting mode, the gear disc is located at the center of the right end in the chuck seat in a sliding fit and movable connecting mode, the floating tip is located at the center of the front end of the chuck seat in a threaded connection mode, and the clamping jaw is located at the center of the upper side of the front end of the chuck seat in a threaded connection mode. Compared with the prior art, the workpiece center is located through the floating tip, the clamping jaw clamps the workpiece through using a wrench to tighten the gear, the clamping jaw comprises a floating device, the clamping jaw only plays a role of clamping the workpiece to prevent the workpiece slanting, and accordingly the scrapping due to the workpiece slanting is avoided.

An image forming apparatus includes: a medium conveyance unit; an image recording unit; and recording unit support portions. The image recording unit is supported by the medium conveyance unit in an undetachable manner for a user who uses the medium. The recording unit support portions has a first support portion and a second support portion which are disposed in the image recording unit on a side of an outlet and are spaced from each other in a width direction of a medium conveyed, and a third support portion which is disposed in the image recording unit on an opposite side to the outlet. At least the first support portion and the second support portion are supported on the side of the outlet of the medium conveyance unit.

The invention provides an electromagnet structure. The electromagnet structure comprises a magnetic pole, a mounting member used for mounting the magnetic pole and guiding the movement of the magnetic pole, and a first coil and a second coil arranged around the mounting member, a first blocking structure is arranged on the mounting member, and a first elastic member is arranged between the magnetic pole and the first blocking structure; when being energized, the first coil generates a magnetic field to attract the magnetic pole to a position close to the first blocking structure, and at this time, the first elastic member is compressed to store energy; when the first coil de-energized, the second coil is energized, the second coil generates a magnetic force to attract the magnetic pole to move towards one side away from the first blocking structure, at this time, the first elastic member releases the energy to propel the magnetic pole to accelerate, so that when the magnetic pole arrives at the position of the second coil, the magnetic pole can obtain a larger speed, and thus being capable of driving the action of a mandril in a larger force. Compared with the prior art, the magnetic pole drives the movement of the mandril in the larger force without increasing the current or the coil, and demands under specific occasions can be satisfied.

The invention discloses an automobile radiator cleaning and drying device. The device comprises a device body and supporting legs, wherein a control switch, an air knife, an observation window and water torches are arranged at the middle part of the front surface of the device body, two spacer plates are welded in the device body, and the inner part of the device body is divided into a cleaning cavity, a soaking cavity and a drying cavity by the spacer plates; a high-pressure air compressor water pump is fixed on one side of the upper surface of the device body, the output end of the high-pressure air compressor water pump is connected with the input ends of water torches through a water pipe, and the input end of the high-pressure air compressor water pump communicates with a water tank through a water conveying pipe; an air machine is fixed on the middle part of the upper surface of the device body, and the air machine is connected with the air knife through a vent pipe; and an air blower is arranged on the other side of the upper surface of the device body. The automobile radiator cleaning and drying device is simple in structure, and capable of completely removing dust and rapidly drying a radiator.

The invention discloses a calibration stand for an electric energy meter. The calibration stand comprises a work table, wherein the work table is provided with at least one detection unit, the detection unit comprises a cylinder, a push rod of the cylinder is connected with a push block, the push block is fixedly connected with a supporting board for disposing the electric energy meter, a position corresponding to the supporting board is provided with detection terminals, and the push rod pushes the electric energy meter through the push block to enable the electric energy meter to effectively contact the detection terminals when the cylinder push rod is pushed outwards. According to the calibration stand, the electric energy meter is automatically sent in and out for detection through the cylinder and the supporting board, so bump damage to test probes caused by manual sending-in operation is avoided, during use, only one worker is needed to scan the bar code of the electric energy meter through a bar code gun, tasks of parameter setting, accuracy calibration and clock accuracy examination are automatically accomplished at one time through equipment. Multiple electric energy meters can be hung on the equipment at one time for detection, mutual switching between two sets is carried out for meter calibration when each of equipment operates.

The invention discloses a rapid lineation device for a bench worker. The rapid lineation device comprises a bottom plate, a right-angle clamp used for clamping the two right-angle sides of a workpiece is fixed to the top of the bottom plate, a fixing assembly used for fixing the workpiece is arranged at the top of the bottom plate, scales are arranged on the upper surfaces of two right-angle arms of the right-angle clamp, and the top of the bottom plate is further provided with a lineation mechanism; and the lineation mechanism comprises an adjusting block, the adjusting block can be horizontally and vertically adjusted and limited, a cross frame is fixed to the bottom of the adjusting block, laser assemblies are installed on the outer walls of the four tail ends of the cross frame, and laser emitted by the four laser assemblies extends in the cross direction of the cross frame. According to the rapid lineation device, through cooperation of the structures, lined cross lines can be more accurate and higher in precision, and after the lines are lined, the effect that intersection points of the cross lines can be subjected to proofing, punching and detection is achieved.

This invention relates to a sewing machine with skipped stitch mechanism of flat joint stitch. The said sewing machine comprises a needle bar mechanism (2), a needle cylinder mechanism (5) and a skipped stitch mechanism of flat joint stitch (6). The needle bar mechanism (2) seesaw needle bar (7), flat joint (10) held at the lower end of the needle bar. The needle cylinder mechanism (5) is composed of outer needle cylinder (49) and inner needle cylinder (48), and the flat joint stitch is formed along with seesaw movement of flat joint (10). The skipped stitch mechanism of flat joint stitch (6) makes the needle cylinder mechanism (5) move from the position of flat joint (10) to the position of moving away from the flat joint, and the stitches are skipped at the position of moving away from the flat joint.

The invention discloses a trademark marking device for packages. The device comprises a substrate and a horizontal support bench. A vertical rack is fixed on the middle part of the substrate. A support rack is installed on the vertical rack. A marking rack is arranged on the left side of the vertical rack. A monitoring rack is installed on the right side of the vertical rack. An active shaft penetrates through the interior of the left side of the horizontal support bench. The horizontal support bench is arranged under the marking rack and the monitoring rack. According to the invention, by setting the pressing plate, marking processes can be smoothly performed; under the hydraulic combined effects of a first hydraulic cylinder and a first hydraulic rod, the pressing plate carries out up-down rising and descending, thereby finishing marking interrupted and continuous actions. The position of a moving plate on the pressing plate can be left-right adjusted, and by use of the engagement functions between steel teeth and a gear, the moving plate is allowed to be not liable to slide on the pressing plate, so it is ensured that the pressing plate has good and stable force bearing structure. The pressing plate carries out downwards pressing and moving, so spinning belts are allowed to contact with a to-be-marked surface of a commodity finally along with the pressing actions of the pressing plate.

The invention discloses a detecting device suitable for detecting whether an electric energy meter is put in place or not. The detecting device comprises an electric meter card base, wherein a plurality of bumped mounting columns which are the same in heights are arranged on the electric meter card base; stress sensors are mounted on the tops of the mounting columns, and the stress sensors are connected with a detecting circuit through an electric wire; the stress sensors are mounted on the detecting device; when the electric energy meter is put in place accurately and tightly fitted with the plane, the stress sensors are stressed by stress, and the detecting circuit outputs a stressed high level signal to represent that the electric energy meter is put in place; after the device inquires the put-in-place information of the meter, an automatic meter detecting program is started, so that a condition that the electric energy meter is crooked by pressing or dropped when the electric energy meter is being stressed due to a fact that the electric energy meter is not put in place can be avoided, so the production efficiency of enterprises can be greatly improved, and considerable economical benefits can be further brought about while the production cost is reduced.

The invention relates to the technical field of mechanical processing or deformation of paperboards, in particular to an automatic embossing machine. The automatic embossing machine comprises a work table, a placing frame and a collecting frame, the placing frame and the collecting frame are located on the two sides of the work table, the placing frame is used for placing unembossed paper, and thecollecting frame is used for collecting embossed paper; the work table comprises a paper feeding mechanism and an embossing mechanism, and the paper feeding mechanism comprises a first working table,a feeding roller shaft and a first motor and is used for sending paper into the embossing mechanism; the embossing mechanism is configured to emboss the paper and includes a second working table andan embossing device, the embossing device is provided with a transmission mechanism, and the transmission mechanism comprises a connecting frame, a conveyor belt and a transmission device and is usedfor transporting the paper on the second working table to enable the paper to enter or exit from the embossing mechanism; and the collecting frame is used for collecting the embossed paper. The automatic embossing machine can conduct automatic embossing on the paper and automatic removal after embossing is finished, and the embossing efficiency and safety are improved.

The invention discloses a foundation pit structure comprising a pit (1) formed by down digging, a pit peripheral engineering pile (2) arranged on one side of the pit (1) and a hard shell layer (4). Residual slurry overflowing during installation of the pit peripheral engineering pile (2) is solidified on the pit bottom of the pit (1) to form the hard shell layer (4), and the hard shell layer (4) is used for allowing excavation equipment to enter for operation. The foundation pit structure has the advantages that the residual slurry in the foundation pit construction process is used, the hard shell layer is formed at the pit bottom of the pit, the operation of laying gravels on the foundation pit bottom is eliminated, the residual slurry is utilized, and the on-site construction environmentis tidied.

The invention provides an all-terrain crawler belt and belt pulley combination mechanism. The all-terrain crawler belt and belt pulley combination mechanism comprises belt pulleys and a crawler belt arranged on the outer sides of the belt pulleys in a sleeving mode, wherein the crawler belt comprises an outer crawler belt surface and an inner crawler belt surface, the outer crawler belt surface isprovided with crawler belt outer teeth protruding outwards at intervals, the portions, between the crawler belt outer teeth, of the outer crawler belt surface form outer crawler belt concave surfaces, the inner crawler belt surface is provided with crawler belt inner teeth protruding outwards, inwards-sunk belt pulley concave teeth are arranged at the positions, corresponding to positions of thecrawler belt inner teeth, of the contact portions between the outer sides of the belt pulleys and the crawler belt, the structures of the belt pulley concave teeth are matched with the structures of the crawler belt inner teeth, the belt pulley concave teeth are penetrating type through holes, and the sides, facing the crawler belt, of the belt pulley concave teeth and the sides, facing the interiors of the belt pulleys, of the belt pulley concave teeth have permeability. The problems that an existing crawler belt walking mechanism cannot adapt to various road surface structures and the driving force of the crawler belt is poor are solved, through the cooperation of the crawler belt inner teeth and the belt pulley concave teeth having the permeability, enough driving force is provided forthe crawler belt, and meanwhile, impurities such as sand and stones mixed in the inner crawler belt also can be discharged through the belt pulley concave teeth.

A nail guiding structure of the present invention is disposed inside of the nail gun having a nail rail. The nail guiding structure includes one or more supporting members and a holding means. The supporting member can move between a first and a second position, wherein the supporting member can move toward the first position to elastically push nails in the air gun, so that the nails can be vertically held in front of the nail rail. The holding means can selectively hold the supporting member, so that the supporting member cannot move back to the second position. Thereby, a user can move the holding means to adapt for different thicknesses of nails. Only one nail can move to the front of the nail rail every time when a punching board of the nail gun punches. Consequently, the problems of nail jamming or crookedly stapling are prevented.

The invention discloses a gear shaft pressing clamp. The gear shaft pressing clamp comprises a base, a positioning device and a guide device, wherein a through hole for accommodating a shaft body and a groove for accommodating a gear are formed in the base; the positioning device is arranged in the groove; the guide device is arranged on the base; the guide device comprises a detecting rod, a positioning block positioned above the groove and a safety pin; a through hole is formed in the positioning block; the detecting rod is movably connected to the interior of the through hole; one end of the detecting rod is in contact with the shaft body; the other end of the detecting rod is pressed against the safety pin. According to the gear shaft pressing clamp, whether the shaft body is perpendicular to the end surface of the gear can be determined through the safety pin; when the shaft body is not perpendicular to the gear, the safety pin can be ejected out. At the moment, the shaft body is not inserted into the gear, and the gear can be prevented from being pressed askew if an oil press is stopped in time, so that a gear shaft is prevented from being scrapped because the gear is pressed askew; therefore, the pass rate of the gear shaft is improved.

The invention discloses an air passage unblocking device for respiratory support of intensive care medicine. The air passage unblocking device comprises a bed plate and a main regulating unit, whereinsupporting legs are arranged on a bottom surface of the bed plate, the main regulating unit comprises four fixed plates, a fixed shaft, two regulating levers, two slide rails and a movable plate, thefour fixed plates are symmetrically arranged at the two sides of a main regulating groove of the bottom surface of the bed plate, the two ends of the fixed shaft are separately arranged on opposite side faces of the fixed plates at two sides, one end of each of the two regulating levers is rotatably connected with the two ends of the fixed shaft symmetrically, the two slide rails are symmetrically arranged on a bottom surface of a regulating plate, through grooves are separately formed in two opposite side faces of the slide rails, the other end of each of the two regulating levers is movablyconnected into the through grooves of the side faces of the slide rails, and the two ends of the movable plate are movably connected with opposite side faces of the two regulating levers separately.According to the air passage unblocking device for the respiratory support of the intensive care medicine, the smoothness of an air passage of a patient can be maintained through adjusting a lying posture of the patient, and thus, the suffering of the patient is reduced.

The invention belongs to the technical field of gear processing, and particularly relates to a high-efficiency press-fitting gear bushing tool which comprises a floating boss and a loading platform. The floating boss comprises a small boss, a big boss, a limiting plate and a floating guiding mechanism; the limiting plate is fixedly connected to the lower end of the big boss; a floating component is arranged at the lower end of the limiting plate; the locating platform comprises a flat plate and a base; the flat plate is detachably arranged at the upper end of the base; a cavity is arranged inthe base; a circular through hole is formed in the center of the flat plate; the big boss penetrates through the through hole; the limiting plate and the floating component are located in a cavity ofthe base; the floating component comprises an elastic piece; the elastic piece is directly or indirectly connected with the limiting plate; and along with the deformation of the elastic piece, the limiting plate can move up and down. According to the high-efficiency press-fitting gear bushing tool provided by the invention, the occurrence of the phenomenon that a bushing is pressed askew can be avoided, the product quality is improved, bushings on two sides can be conveniently press-fitted at one time, and the processing efficiency is improved.

The invention belongs to the technical field of staple guns and particularly relates to a U-shaped staple gun and a use method thereof. The U-shaped staple gun comprises a gun body and a handle connected with the gun body, wherein the lower part of the gun body is transversely connected with a staple storage box; and a staple outlet is formed in the leftmost end of the staple storage box. The U-shaped staple gun further comprises an infrared distance measurement device and a staple pulling device, wherein the infrared distance measurement device comprises a controller, a first infrared distance measurement sensor, a second infrared distance measurement sensor, a liquid crystal display and an LED lamp; the controller is arranged in the gun body and electrically connected with the first infrared distance measurement sensor and a second infrared distance measurement sensor which are symmetrically arranged on two sides relative to the staple outlet; the infrared emission directions of the first infrared distance measurement sensor and the second infrared distance measurement sensor both face the left part of the gun body; and the liquid crystal display is arranged on the left upper surface of the gun body and electrically connected with the controller. The U-shaped staple gun facilitates determining stapling positions, prevents slanting stapling, and can pull out U-shaped staples and T-shaped staples of different sizes.

The invention discloses knotting equipment for cloth or nets, and belongs to the technical field of knotting machines. The knotting equipment comprises an input device, a knotting platform and an output device which are arranged sequentially from front to back; the input device comprises a transmission machine I, a transmission machine II and a tensioning device which are arranged sequentially from front to back; the knotting platform is slidably connected with a knotting machine; the output device comprises an output rack, the output rack is connected with an output roller through a bearing,the output roller comprises a front output roller and a back output roller, and the upper portion of the back output roller is provided with an output compression roller. The knotting equipment for the cloth or nets has the advantages that traditional knotting for the cloth or nets is abandoned, mechanical operation is utilized to replace manual operation to avoid that rivet buckles are tilted, thereby precisely controlling space among the rivet buckles and ensuring the product quality, the worker participation is basically excluded during knotting, the time and labor are reduced, the knottingefficiency is high, and it is avoided that the healthy growth of enterprises is affected.

The present invention relates to a fit insole for correcting posture which is inserted in a shoe to protect a foot and a sole and to allow a correct posture to be guided. The fit insole for correcting posture according to the present invention comprises: a body having a shape of a sole; a hard member which includes a heel cup part with a flat bottom surface, an arch part connected to a front side of the heel cup part and having a concave structure, a curved part formed to be curved at an edge of an upper surface thereof, wherein the hard member is attached to a rear side of a lower surface of the body so that an upper surface of the body surrounds a sole and closely contacts and supports an arch portion of the sole; and an arch cookie attached to the arch part of the hard member to support the arch part not to collapse through a load, wherein an elastic groove having a shape of letter ''8'' is formed at the arch part of the hard member to provide elasticity, and the arch cookie is configured as a set to have a different hardness according to a shape of user's foot.

The utility model provides a chain (100) for hanging. The chain (100) for hanging is provided with first chain plates (110), second chain plates (120) and a pin shaft (130), wherein the first chain plates (110) are arranged at two outer sides of a roller (140) in the width direction of the chain, the second chain plates (120) are arranged at the two outer sides of the roller in the width direction of the chain and at least the outer sides of the inner sides and the outer sides of the first chain plates in the width direction of the chain, the pin shaft (130) penetrates through a hole (141) of the roller and loose embedding holes (111) of the first chain plates and is embedded in tight embedding holes (121) in the second chain plates, at least two of the first chain plates and at least two of the second chain plates are respectively arranged relative to the single roller at the single side in the width direction of the chain, and the second chain plates are at least arranged at the outermost side. Therefore, compared with a single-line chain, the chain for hanging can reinforce tensile strength. Compared with the structure that only multiple lines of rollers and the chain plates are arranged respectively, the number of parts can be reduced, meanwhile, the width of the chain can be reduced, and miniaturization is realized.

The invention discloses a connector pin protection structure which is used for a connector male seat and a connector female seat. The connector male seat is provided with a plurality of pins, and the connector female seat is provided with a plurality of jacks corresponding to the pins, wherein parts of a surface of the connector male seat, which are close to both sides, respectively indent and protrude to form a protruding rib parallel to the pins and a protruding strip corresponding to the protruding rib can be arranged on one surface of the connector female seat. in addition, the structure also can be designed as follows: one surface of the connector male seat can be formed by connecting two protruding cambered surfaces, the positions of each cambered surface, close to both sides of the connector male seat, are top ends, and one surface of the connector female seat is provided with cambered outlines respectively corresponding to the cambered surfaces. The structure can be used for preventing distorting or breaking the pins when a user plugs the connector obliquely.