53results about How to "Reliable cooperation" patented technology

And the auxiliary self-locking structure comprises a movably arranged locking piece and an auxiliary change-over switch, the cantilever can be switched between a switching-on position and a switching-off position along with rotation of the main shaft, the auxiliary change-over switch comprises a microswitch and a rotatably arranged lever, the cantilever is in driving fit with the lever and is in linkage fit with the locking piece, and the cantilever is provided with a critical position close to the switching-on position. The circuit breaker comprises the auxiliary self-locking structure. According to the auxiliary self-locking structure and the circuit breaker, the locking piece is arranged, the lever is driven by the cantilever to trigger the microswitch to switch signals of the auxiliary change-over switch, and the locking piece is unlocked with the lever under linkage of the cantilever to enable the lever to reset so as to reset the signals of the auxiliary change-over switch. When the cantilever is located between the opening position and the critical position close to the closing position, the locking piece locks the lever in the state of triggering the microswitch, and even if the cantilever rotates towards the closing position due to the springback of the contact, due to the locking effect of the locking piece on the lever, the signal of the auxiliary change-over switch cannot be reset.

The invention relates to a miniaturized locking device for an indexing mechanism and the indexing mechanism, is suitable for three self-inertial measurement units, and solves the technical problems of incapability of independently locking an outer frame, easiness in unlocking clamping stagnation, lower precision, poorer stability and larger size and weight in the prior art. The locking device comprises a locking motor, a locking motor base and a locking pin. The locking motor base comprises a rotating cylinder, an inner boss and an input cavity; a worm is arranged in the input cavity, a turbine shaft is arranged in the rotating cylinder, and the worm and the turbine shaft are matched to form a turbine worm; a lead screw sleeved with a pin lock ejector block is arranged in the rotating cylinder, and the pin lock ejector block and the lead screw are matched to form a lead screw thread pair. The pin lock ejector block is sleeved with a dense ball frame. A guide through hole with a guide steel ball is formed in the dense ball frame, and the guide steel ball makes contact with the bottom of a sliding groove formed in the pin lock ejector block and the locking motor base. A taper hole is formed in the inner wall of the pin lock ejector block, and the taper hole is matched with the conical face of the locking pin and used for being matched with the locking pin to achieve shafting locking when the pin lock ejector block is pushed out.

The present invention discloses an automatic measuring device and a measuring method for the size of a bladder skin, which relates to the field of measuring length, thickness or similar linear dimensions. The automatic measuring device mainly includes a turntable, a jig, a thickness measuring mechanism, a height measuring mechanism and a diameter measuring mechanism. The jig is used to open the bladder skin into a regular truncated cone shape, and the upper and lower ends of the bladder skin are exposed, so that each measuring mechanism can measure the upper and lower ends of the bladder skin at the same time, which is efficient and can avoid measurement errors caused by loading and unloading the bladder skin back and forth. In addition, the two cameras of the thickness measuring mechanism are rotatably arranged at the upper and lower parts of the jig through an electric rotating table, and the upper and lower ends of the bladder skin are photographed at multiple points through the rotation of the two cameras, and multiple thickness values ​​of the upper and lower ends of the bladder skin are calculated, which has the advantages of high automation, accurate measurement, and complete size measurement functions.

This utility model discloses a three-section drawer slide, including a fixed rail, a middle rail, and a movable rail. The middle rail has a first guide portion and a second guide portion. The first guide portion movably engages with the fixed rail, and the second guide portion movably engages with the movable rail. A first ball bearing assembly is provided between the first guide portion and the fixed rail, and a second ball bearing assembly is provided between the second guide portion and the movable rail. The advantages of this three-section drawer slide are: the use of a cross-shaped engagement and a three-sided ball bearing engagement structure makes the engagement between the fixed rail and the middle rail, and between the middle rail and the movable rail, more stable and reliable. It also ensures that the center of gravity of the movable rail and the middle rail coincides with the center of the fixed rail, effectively enhancing the overall strength of the slide. This results in more stable and smooth operation of the slide, leading to more stable and smooth drawer opening and closing. During use, the slide is less prone to bending and deformation, improving its bending resistance and load-bearing capacity.

The utility model discloses a clamping device and a bicycle maintenance device, belongs to the field of bicycle maintenance devices, solves the problem that unlocking of an existing bicycle maintenance device is strenuous, and mainly adopts the technical scheme that the clamping device is provided. Comprising a main body, a screw rod, an upper clamping piece, a lower clamping piece, a meshing piece and a locking handle installed on the screw rod, the upper clamping piece is connected to the main body in a sliding mode, the lower clamping piece is installed on the main body, the screw rod is rotationally connected with the upper clamping piece and drives the upper clamping piece to be close to or away from the lower clamping piece, the meshing piece is connected to the main body in a sliding mode, and the locking handle is installed on the screw rod. The main body is provided with a meshing piece, the meshing piece and the main body are relatively fixed in the axis direction of the lead screw, the main body is provided with a driving piece, the driving piece is in threaded connection with the meshing piece, and the driving piece is arranged to drive the meshing piece to be relatively close to or away from the lead screw when the driving piece rotates; and therefore, the meshing piece can be meshed with the screw rod or separated from the screw rod. The utility model is mainly used for locking and releasing the screw rod more quickly and effortlessly.

The utility model belongs to the technical field of logistics turnover boxes, and discloses a logistics turnover box with a reinforcing structure, which comprises a box body, a lower corner covered edge and an upper corner covered edge, the side wall of the box body is connected with a first sliding block and a second sliding block, the upper corner covered edge is in sliding connection with the first sliding block, the lower corner covered edge is in sliding connection with the second sliding block, and the lower corner covered edge is in sliding connection with the second sliding block. The lower corner wrapping edge is connected with a bottom plate and a sleeve, the sleeve is provided with a containing groove, the cross section of the containing groove is in an L shape, a plurality of second limiting holes are formed in the side wall of the containing groove, the upper corner wrapping edge is connected with a sliding pipe, the sliding pipe is connected with the inner wall of the containing groove in a sliding mode, the sliding pipe is provided with an installation groove, and the installation groove is provided with a first limiting hole and a second limiting hole. A first limiting hole is formed in the side wall of the mounting groove, a positioning elastic piece is connected to the inner wall of the mounting groove, and a positioning protrusion is connected to the positioning elastic piece. According to the scheme, adjustment of the reinforcing wrapping edge in the height direction is achieved, the logistics turnover box fixing device can adapt to logistics turnover boxes of different heights, and the application range is widened.

The present application relates to a kind of wind power blade large equipment automatic loading and unloading lifting hook tooling, applied in blade industry, it is a kind of device fixed on large equipment and tooling, for lifting equipment and tooling.It includes outside base plate, connecting rod, hoisting shaft, electric push rod, the number of outside base plate is two, two outside base plates are arranged at intervals, two outside base plates are connected into a whole by fixed side plate and form accommodating space for accommodating headstock lifting hook between two outside base plates;Outside base plate is equipped with guide sleeve, connecting rod is connected to guide sleeve or outside base plate, electric push rod is installed to connecting rod, hoisting shaft is arranged in guide sleeve, and electric push rod drives hoisting shaft to move along guide sleeve in positive direction or reverse direction to be connected or separated with headstock lifting hook.The present application is more automated, personnel does not need to climb, guarantee the safety of operator.Hoisting shaft and the cooperation of headstock lifting hook are more reliable, to improve the safety of hoisting.

A wire guide wheel of an electric spark cutting machine is arranged on a machine body of the electric spark cutting machine and comprises a supporting shaft and a supporting body rotatably arranged on the supporting shaft, the supporting body comprises a base sleeve body and an outer lining spirally arranged on the outer surface of the base sleeve body in a sleeving mode, a plurality of axial through holes are formed in the outer lining at equal intervals, and recognition insertion rods are inserted into the axial through holes; a limiting baffle is arranged at the limiting end of the recognition insertion rod, the limiting baffle and the recognition insertion rod form an L-shaped structure, the far end of the limiting baffle is axially embedded into the anti-rotation notch in the end face of the base sleeve body, a fixing nut is arranged on the outer thread of the fixing end of the recognition insertion rod in a matched mode, and a plurality of annular guide grooves are formed in the outer circumferential surface of the outer lining. The wire guide wheel has the advantages that the base sleeve body and the outer lining are firmly fixed and convenient to disassemble, assemble and maintain, a new annular guide groove can be always kept at the optimal guide position, and the wire guide wheel has outstanding practicability.

The utility model discloses a magnet-free recyclable water polo, which comprises a first semi-spherical shell and a second semi-shell, the first semi-spherical shell and the second semi-shell are connected through a flexible connecting belt and can be turned over and covered to form a spherical shell, and after the water polo is filled with water, the water in the spherical shell can apply certain pressure to two water pressure skirt edges and a water pressure attaching tongue, so that the water polo can be recycled. The two water pressure skirts are attached more tightly, the water pressure attaching tongue can be attached to the interior of the first hemispherical shell more tightly, the clamping hook and the clamping opening are matched more reliably, water leakage is not prone to occurring, a traditional magnet adsorption mode is replaced, the use of magnets is thoroughly abandoned, and cost is reduced; after throwing impact, the spherical shell is deformed and shakes violently, the clamping hook is separated from the clamping opening, water is sprayed out from the periphery of the opening instantly, the water ball explosion effect is achieved, automatic closing is avoided, and the problems that in the prior art, water splashing is incomplete, and more residues exist easily are effectively solved. In addition, the whole structure is simple, implementation is easy, repeated use can be achieved, and the service life is long.

The utility model discloses a hub motor end cover clamping base connecting mechanism easy to assemble, which comprises a hub motor and a clamping base assembled on a support shaft of the hub motor, and the clamping base is positioned on the outer side of a detachable end cover of the hub motor and is supported on the support shaft through a plurality of clamping base bearings on the inner side. A bearing seat is arranged on the inner side of a shaft hole of the end cover so as to fixedly support a hub bearing on the supporting shaft; the utility model is characterized in that an annular insert is fixed on the inner circumference of the shaft hole of the end cover in a die-casting manner, the inner circumference of the annular insert is fixedly connected with the outer circumference of the bearing seat through a left-hand thread, an extension sleeve extending into the clamping base is formed on the bearing seat, and the extension sleeve is connected with the clamping base through a ratchet and pawl type one-way clutch. According to the ratchet and pawl one-way clutch, the bearing seat is fixedly connected with the annular insert on the inner circumference of the end cover through the left-hand threads, compared with a traditional screw fixing mode, assembling operation is more convenient, the concentricity between the bearing seat and the clamping base can be guaranteed, and therefore the installation quality and smooth operation of the ratchet and pawl one-way clutch are guaranteed.

The utility model relates to a novel fuel pump liquid level sensor support module which comprises a top cover assembly, a sensor support, an oil level sensor assembly and an oil pump assembly. A supporting rod of a top cover assembly sequentially penetrates through a support guide rod hole of a sensor support and an oil pump guide rod hole of an oil pump assembly, due to the fact that motorcycle oil tanks are various in shape, the upper space in part of the oil tanks is large, and the lower space is small, when the oil level center is low, design cannot be well achieved; therefore, by adding the sensor support, the oil level sensor assembly can be installed at a higher point on the basis that the original structure is not affected, and oil level design is facilitated. The sensor support is compact in structure, reasonable in design, short in forming period, easy to control in size, high in plastic deformation, high in universality, capable of meeting production and assembly requirements, low in requirement for operating skills of workers, easy to master, high in product percent of pass and capable of meeting the working performance requirements of products.

The utility model relates to a bipolar high frequency electric knife, including operation part and being located operation part distal end's main part, the main part includes the insulating outer tube of axial extension, and is located the insulating inner tube inside the insulating outer tube, is connected through the connecting piece and the hollow tubular active electrode in the insulating inner tube distal end and forms the first cavity, transmission wire is located in the first cavity, is used for realizing the electric connection of active electrode, the insulating outer tube distal end still is equipped with the insulating part, and the active electrode passes through the insulating part, and the first inert electrode is set up on the insulating outer tube close to the insulating part, and the second inert electrode is still set up on the first inert electrode, the return wire is located in the third cavity that the insulating outer tube is equipped with, is wound on the first inert electrode, is used for realizing the electric connection of first inert electrode. The utility model discloses the combination installation of two inert electrodes, and the connection mode that return wire is wound on the inert electrode, make the cooperation of return wire and inert electrode firm and reliable, and it is not easy to break down.

The invention discloses an energy-saving power distribution cabinet which comprises a box body, a shell fixedly connected to the box body, a plurality of replacement mechanisms installed on the shell, a plurality of electrical elements installed on the replacement mechanisms and a prefabricated circuit installed in the shell, the electrical elements are arranged on the two sides of the shell respectively, and when one of the electrical elements is damaged, the replacement mechanisms are installed on the replacement mechanisms, and the prefabricated circuit is installed in the shell. And the replacement mechanism can automatically replace the corresponding electrical element on the other side to be communicated with the prefabricated line, and disconnect a communication circuit between the lost electrical element and the prefabricated line. When the electrical element is damaged, the actuator is connected in series in the electrical element and the prefabricated line, a fault can be rapidly detected, and the locking unit is driven by the trigger unit to relieve the limitation on the stress table. A simple triggering mechanism enables the whole process to be rapid and efficient, and a first spring rapidly releases elastic potential energy to push a moving column to achieve switching of standby electrical elements.

The utility model relates to a base locking structure and a child safety seat applying the base locking structure, the base locking structure comprises a lifting basket and a base, and a fixing rod is arranged at the bottom of the lifting basket; the base comprises a bottom plate and a top cover, and at least one clamping jaw supporting piece is arranged on the bottom plate. A clamping jaw fixing shaft is arranged on the clamping jaw supporting piece in a penetrating mode. The clamping jaw fixing shaft is sleeved with at least one clamping jaw, and the clamping jaw is rotationally connected with the clamping jaw fixing shaft. The clamping jaw is provided with a pushing edge, a blocking edge and a first fixing groove, and the pushing edge and the blocking edge are arranged adjacently. A locking piece is arranged on the clamping jaw supporting piece and can move up and down relative to the clamping jaw supporting piece. In the unlocking state, the locking piece abuts against the pushing edge. In the locking state, the locking piece abuts against the flange. The base locking structure and the child safety seat applying the base locking structure have the advantages that the locking piece tends to move towards the clamping jaw, it is guaranteed that the pushing edge and the blocking edge are reliably matched with the locking piece, the locking piece directly acts on the clamping jaw, and the clamping jaw is reliably locked.

The utility model discloses a battery holder which comprises a base, a cover body, a positive plate and a negative plate, the base is provided with an accommodating cavity for mounting a button battery, and a positive pole mounting groove and a negative pole mounting groove are formed in the bottom of the accommodating cavity; the cover body is mounted on the base in a manner of opening or closing the accommodating cavity; the positive plate is arranged in the positive mounting groove; and the negative plate is arranged in the negative mounting groove. The fixing ribs are arranged on the peripheral side face of the cover body in an outward protruding mode, when the cover body closes the containing cavity, the fixing ribs make close contact with the inner wall face of the containing cavity, the acting force between the cover body and the base is improved, the cover body and the base are matched more firmly and reliably, the cover body is effectively prevented from falling off from the base, and the service life of the cover body is prolonged. The first through hole is formed in the positive electrode welding pin, the second through hole is formed in the negative electrode welding pin, and the first through hole and the second through hole are filled with tin liquid during tin soldering, so that the acting force between the tin ball and the positive electrode plate and the acting force between the tin ball and the negative electrode plate are greatly increased, and the welding between the battery holder and the PCB is firmer and more reliable.

The utility model relates to the technical field of hearing aid equipment, and discloses a hearing aid, which comprises a hearing aid main body, a battery cover and an elastic switch, one end of the battery cover is hinged on the hearing aid main body, and the other end of the battery cover is provided with a clamping structure; the first end of the elastic switch is connected with the hearing aid main body through an elastic piece, the second end of the elastic switch is provided with a clamping matching structure, and the elastic switch has a locking state and an unlocking state: when the elastic switch is in the locking state, the clamping structure is clamped with the clamping matching structure; when the elastic switch is in an unlocking state, the first end of the elastic switch drives the clamping matching structure pressing the second end of the clamping switch to move in the direction away from the clamping structure under the action of external pressure. According to the hearing aid, opening and closing of the battery cover are achieved through the elastic switch, the battery cover can be stably fixed, meanwhile, the requirement for convenience of cover opening and closing can be met, and the problems that in a hearing aid in the prior art, a battery cover is inconvenient to open and close and prone to damage are effectively solved.

The invention discloses a magnetically controlled switch-based power distribution network post-grading acceleration protection method and system, and the method comprises the steps: carrying out the overcurrent protection of a magnetically controlled outgoing line switch, and carrying out the voltage detection reclosure, which serve as the first-stage outgoing line protection; the magnetic control first section switch and the magnetic control second section switch are provided with delay protection and latch-up protection which are used as second-stage branch head end protection; the magnetic control interconnection switch is configured to detect short-time power-on time opening and reverse locking and start transfer timing, and serves as third-level demarcation protection; if the distribution network overhead line has a short-circuit fault, stage differences are set among three-stage protection, and the three-stage protection magnetically controlled switches act in a matched manner, so that fault isolation is accelerated to be completed. Through three-level protection of outgoing line protection, branch head end protection and demarcation protection, a 0.2 s level difference is set, reliable cooperation of switches of the whole line can be realized by using the difference of protection time delay, branch line and user faults can be removed nearby, and the problem of simultaneous tripping or override tripping is avoided.

The utility model relates to the technical field of pump body casting and processing, and discloses a pump body casting wooden core box mold closing and locking mechanism which comprises an upper wooden core box and a lower wooden core box, and a locking assembly is arranged between the upper wooden core box and the lower wooden core box. The locking assembly comprises clamping plates symmetrically fixed to the two sides of the upper wooden core box, wedge-shaped plates are fixed to the bottom faces of the clamping plates, fixing plates are symmetrically fixed to the two sides of the lower wooden core box, and a reinforcing assembly is installed between the upper wooden core box and the lower wooden core box. According to the utility model, the accurate positioning of the upper wooden core box and the lower wooden core box is realized, the buckling and locking can be automatically completed in the mold closing process, the traditional tedious mode of pressing by adding a heavy object is abandoned, the hidden dangers of mold expansion and mold shifting caused by non-uniform pressing force and unstable stress are fundamentally eliminated, and the production efficiency is improved. And the stability of the mold closing state in the sand injection and compaction process is ensured.

The utility model provides a stirring assembly and a cooking utensil, and the stirring assembly comprises a stirring blade, a stirring shaft and a riveting piece. The stirring shaft is connected with the stirring blades. The stirring shaft is arranged in the riveting piece in a penetrating mode, and the riveting piece is used for being arranged on the inner pot in a riveting mode. According to the technical scheme, the problem that leakage is likely to happen to the connecting position of the stirring assembly and the pot body in the related technology is effectively solved.

The utility model discloses a labor-saving lock which comprises a lock shell, a lock cylinder shifting wheel, a spring bolt assembly and a linkage assembly. The spring bolt assembly comprises a main supporting plate and a main spring bolt. The linkage assembly comprises a first shifting plate for executing an unlocking action and a second shifting plate for executing a locking action; a first rotating piece is hinged to the first shifting plate, and a second rotating piece is hinged to the second shifting plate; the linkage assembly further comprises a supporting plate linkage piece matched with the main supporting plate in a linkage mode, an inserting piece is arranged on the supporting plate linkage piece, a first inserting groove matched with the inserting piece is formed in the main supporting plate, and a second inserting groove matched with the inserting piece is formed in the second rotating piece. The supporting plate linkage piece is further provided with a stress pin in a protruding mode, and the first rotating piece is provided with a first force application arm matched with the stress pin. The linkage assemblies are arranged in groups, the limitation of forward rotation and reverse rotation angles of the lock cylinder shifting wheel is relieved, the lock cylinder shifting wheel can rotate at a large angle, and unlocking and locking are more labor-saving.

The utility model provides a seed crystal suspension member and a crystal growth device, and relates to the technical field of semiconductor processing. The seed crystal hanging component is used for positioning a seed crystal rod and comprises a seed crystal chuck and an anti-falling bulge, the seed crystal chuck is provided with a positioning clamping groove and a positioning notch, the positioning clamping groove is provided with a first groove wall and a second groove wall which are opposite to each other, and the positioning notch penetrates through the first groove wall and is communicated with the positioning clamping groove; the anti-falling protrusion is installed on the first groove wall and located above the positioning notch, and a gap is formed between the anti-falling protrusion and the groove bottom wall of the positioning clamping groove so that a clamping space can be formed. The clamping space is used for containing a seed rod, and the anti-falling protrusion is used for abutting against the seed rod placed in the clamping space so as to prevent the seed rod from falling off from a notch of the positioning clamping groove. The seed crystal suspension component is simple in structure, convenient to use, and close to match with a seed crystal rod, and is beneficial to crystal growth.

The utility model discloses a reciprocating type clearance motion contact device, which relates to the field of on-load tap-changers and comprises a frame body, a rotary driving lever rotationally mounted on the frame body, a swing frame rotationally mounted on the frame body, a moving contact fixed on the swing frame and a static contact fixed on the frame body. The swing frame is arranged on the circumferential side of the rotating track of the rotating deflector rod, swing deflector rods poked by the rotating deflector rod are arranged on the two sides of the swing frame, and at least one of the swing deflector rods on the same swing frame is located on the rotating track of the rotating deflector rod so as to be driven by the rotating deflector rod; the moving contacts and the static contacts are arranged in pairs and are communicated through abutting, two groups of contact pairs are arranged, the two moving contacts are respectively arranged corresponding to the positions of the two swinging driving levers on the two swinging frames, and the two static contacts are respectively arranged corresponding to the positions of the two moving contacts and are switched to be communicated with the moving and static contact pairs along with swinging of the swinging frames. The on-load tap-changer has the effect of preventing arc discharge in the contact switching process, and the performance of the on-load tap-changer can be optimized.

The utility model discloses an electric kettle, including inner bag, the plastic shell of the inner bag outside and the bottom cover of the plastic shell below, the bottom of plastic shell is provided with the cooperation convex rib that protrudes downward, and the cooperation space is formed between cooperation convex rib and the bottom wall of plastic shell, and the cooperation department that surrounds cooperation convex rib outside is provided with in the cooperation space to the bottom cover, and the inner wall of plastic shell is provided with the annular groove that extends along the circumference of plastic shell, and the annular groove is located cooperation convex rib's top. Through doing the glue processing in the inside of plastic shell, increase the flow resistance of molten plastic here, increase the difficulty of plastic reflow, reduce the appearance defect such as shrinkage that appears in the lower end of plastic shell, make shrinkage surface shift to the inner surface of plastic shell simultaneously, improve the appearance quality of plastic shell. The utility model can solve the mutually contradictory problem of the appearance defect that product appearance shrinkage produces and the big size processing error of plastic shell simultaneously.

The rapier transmission mechanism comprises a rapier transmission wheel, a connecting shaft and a rapier belt, the rapier transmission wheel is connected with the connecting shaft through a bearing, a plurality of evenly-distributed convex teeth are arranged on the circumferential side of the rapier transmission wheel, a plurality of evenly-distributed tooth holes are formed in the surface of the rapier belt, the rapier belt bypasses the rapier transmission wheel so that the convex teeth can be inserted into the tooth holes, and a fixing support is fixed to the outer side of the connecting shaft. The rapier conveying wheel is located in the fixing support, belt pressing mechanisms are arranged on the upper side and the lower side in the fixing support respectively and located on the circumferential side of the rapier conveying wheel, each belt pressing mechanism comprises a rolling wheel, and the rolling wheels abut against the surface of the rapier belt so that the rapier belt can be tightly attached to the surface of the rapier conveying wheel. The belt pressing mechanism is arranged on the peripheral side of the rapier conveying wheel and can pressurize the rapier belt, so that the rapier belt and the rapier conveying wheel are matched more reliably, and the rapier belt is prevented from slipping.

The utility model provides a marine diesel engine crosshead pin temperature sensor hole detection tool comprising a main measuring rod, one end of the head of the main measuring rod is provided with a head shaft section, one end of the tail of the main measuring rod is provided with a tail hand-held section, one end of the main measuring rod close to the tail hand-held section is provided with a threaded section, and the other end of the main measuring rod close to the tail hand-held section is provided with a threaded rod. A tool withdrawal groove is formed between the threaded section and the tail handheld section. The tool is manufactured according to the structural characteristics of the crosshead bearing detection temperature sensor to be installed, detection of the crosshead bearing detection temperature sensor hole can be conveniently and rapidly completed, whether interference exists between the temperature sensor and the temperature measuring hole can be effectively detected, and meanwhile whether the temperature sensor can be installed smoothly can be verified; an effective inspection effect can be achieved; the tool main body is stable in structure, the inspection quality and the inspection efficiency are improved, and meanwhile the operation cost is saved.

This utility model relates to the field of projection head-up display technology, specifically a projection head-up display structure. It includes a windshield (1), an adhesive layer (2), and flexible glass (3). The flexible glass (3) comprises a glass layer (4) and a coating layer (5). The flexible glass (3) is bonded to the windshield (1) via the adhesive layer (2). The radius of curvature of the flexible glass (3) and the surface curvature error of the windshield (1) are ≤0.3mm. The adhesive layer (2) is bonded to the inner surface of the glass layer (4) of the flexible glass (3), and the coating layer (5) is bonded to the outer surface of the glass layer (3). The projection head-up display structure of this utility model eliminates the need for a rear shell, reducing material and processing costs. It can cover the curved surfaces of windshields of different vehicle models and has advantages such as low processing and bonding difficulty, strong maintainability, and wide adaptability.

The utility model discloses a slice clamping structure which comprises a slice frame provided with a slice groove for containing slices. A first elastic piece and a second elastic piece are arranged on the slice frame and are made of metal materials, and the first elastic piece pushes and extrudes the slice placed in the slice groove in the length direction of the slice groove so as to limit the slice in the length direction of the slice groove. The second elastic piece pushes and extrudes the slice placed in the slice groove in the width direction of the slice groove so as to limit the slice in the width direction of the slice groove; one or more of the first elastic piece, the second elastic piece and the slice frame are provided with limiting parts so that the slices can be limited on the outward side of the slice groove in the depth direction. According to the utility model, the slice is reliably clamped on the slice rack, and the assembly positioning precision is high; the first elastic piece and the second elastic piece are made of metal materials, clamping is easy and convenient, and the problem that the reliability of a plastic elastic arm is not high is solved.

The utility model relates to the technical field of metal plates, in particular to a limiting type metal plate. According to the technical scheme, the plate comprises a cross-shaped plate body structure, a cylindrical center receding safety groove is formed in the center of the upper end of the plate body structure, and a vertically-upward limiting matching supporting plate is arranged in the center of the upper end of the plate body structure; a first matched avoiding groove is formed in the position, close to the center avoiding safety groove, of the lower end of the limiting matched supporting plate, and cylindrical limiting combined connecting grooves which are evenly distributed in the left-right direction and provided with downward openings are formed in the front face of the limiting matched supporting plate. The limiting structure has the advantages that reliable limiting can be provided for the pipeline, the use safety of the pipeline can be better during later use, operation during pipeline construction is convenient, the limiting structure can be matched with a plate at the bottom in an associated mode, and the overall matching stability is better.

The invention discloses a transmission structure and method of an oil injection pump and an electronic unit pump system, belongs to the technical field of engines, and solves the problems that a rotating shaft of an oil injection part is too large in torsional force and easy to damage. A transmission shaft sleeve used for being connected with an engine body is arranged at the end, close to a fuel injection pump cam shaft, of the fuel injection pump, a transmission shaft is rotationally arranged in the transmission shaft sleeve, an inner spline is arranged at one end of the transmission shaft, and a transmission outer spline sleeve is arranged on the inner spline. The transmission outer spline sleeve is sleeved on a fuel injection pump cam shaft of the fuel injection pump, a gear is arranged at the other end of the transmission shaft, a plurality of mounting grooves are arranged on the fuel injection pump on the outer side of the fuel injection pump cam shaft, and supporting bushes used for supporting the fuel injection pump cam shaft are arranged in the mounting grooves. According to the transmission structure and method of the fuel injection pump and the electronic unit pump system, the structure is compact, arrangement is convenient, camshaft faults are reduced, and the stability of the fuel injection pump is improved.

The utility model discloses a wire-to-plate circular connector with parallel outgoing lines, which comprises a plate end connector, and the plate end connector comprises a plate end connector plastic main body, a circular male terminal, a connecting plate, a fool-proof cylinder and a buckle. The current-carrying switching of the 40A-350A / PIN is realized by pressing the circular female terminal of the wire end connector, the connector is provided with an anti-misplug design to prevent the male and female terminals with different diameters from being plugged and unplugged by mistake, the plate end connector is provided with a fool-proof column design to prevent the plate end connector with the male terminal with the wrong diameter from being mistakenly installed on the PCB, and the cable is fixed on the circular female terminal of the wire end connector by pressing, so that the current-carrying switching of the 40A-350A / PIN is realized. The wire outlet direction of the cable is parallel to the plugging direction of the connector, so that the occupied space of the connector in the direction perpendicular to the plugging direction is saved, and after the male connector and the female connector are matched, the metal latch on the plastic main body of the wire end connector is automatically buckled on the buckle, so that the male connector and the female connector are firmly matched, and stable current transmission is realized.