33results about How to "Guarantee the tightness of the connection" patented technology

The invention discloses a shaping machine for after-finishing of fabrics. The shaping machine comprises a box body, wherein a bracket is arranged on the left side of the box body; a cooling assembly and a static electricity removing assembly are sequentially arranged on the bracket from left to right; a conveying roller platform penetrates through the box body; the interior of the box body is divided into a preheating cavity and a drying cavity by a partition plate; a through groove is formed in the partition plate; a steam spraying disc and a flapping assembly are arranged in the preheating cavity, and a drying assembly is arranged in the drying cavity. The provided shaping machine for after-finishing of fabrics is ingenious and reasonable in structural design; fabrics are subjected to steam humidification and heating treatment through the steam spraying disc in the preheating cavity; the surfaces of the fabrics are humidified more uniformly through the cooperation of the flapping assembly; the fabrics are better loosened and softened and then enter the drying cavity to be dried by the drying assembly at the optimal temperature; after the fabrics are cooled through the cooling assembly, the fabrics are subjected to static electricity removal treatment through the static electricity removing assembly, so that winding and treatment of the fabrics are more convenient.

The invention discloses a square material cover separating and buckling machine comprising a cover body feeding mechanism, a cover body discharging mechanism, a box body transferring mechanism and a cover buckling mechanism. The cover body feeding mechanism is used for feeding stacked cover bodies; the cover body discharging mechanism is used for discharging the stacked cover bodies one by one; box body openings are upward, the box body transferring mechanism conducts horizontal conveying, an included angle is formed between the cover body discharging mechanism and the box body transferring mechanism, and the cover body discharging mechanism and the box body transferring mechanism are crossed; the cover buckling mechanism is arranged at the crossed position of the cover body discharging mechanism and the box body transferring mechanism, the cover buckling mechanism comprises a downwards-pressing elastic piece and cover stopping wheels, the cover stopping wheels are arranged on the twosides through a pair of swing arms, the cover stopping wheels have clamp-type opening and closing degrees along the swing arms, the cover stopping wheels stop cover body discharging when the swing arms are in the closing state, the downwards-pressing elastic piece is arranged above the cover bodies and is used for press fitting of the cover bodies and box bodies, the box bodies on the box body transferring mechanism push the cover stopping wheel open, the swing arms are unfolded, and the cover bodies and the box bodies which are buckled are used for achieving discharging. By means of the square material cover separating and buckling machine, the cover bodies and the box bodies are guided to be buckled, the overall cost is low, the structure is smart and reliable, and the sealing efficiencyof the cover bodies in the field of lunch boxes is greatly improved.

The invention discloses a driving clutch assembly of a washing machine. The driving clutch assembly of washing machine comprises a rotary body and a driving device. The driving device comprises a reducing mechanism, a clutch mechanism and an installation shell. The rotary body is an outer-rotor motor and comprises an outer rotor assembly and an inner stator assembly, wherein the inner stator assembly is located in the outer rotor assembly; the clutch mechanism comprises a clutch assembly and a shift lever assembly, the input end of a driving shaft and the input end of a driving shaft sleeve are sleeved with the clutch assembly, and driving force is transmitted to the clutch assembly through the shift lever assembly, wherein the clutch assembly is provided with a clutch shaft sleeve and a wrap spring assembly, and the input end of the driving shaft is sleeved with the clutch shaft sleeve. According to the driving clutch assembly of the washing machine, while the conditions that the structure is simple and compact and the occupied space is small are met, the cost is low, few connection parts are used, the manufacturing process is simple, and the driving clutch assembly is very suitable for large-scale application and popularization and especially suitable for being used in the field of medium-low-grade washing machines which are used in wide households.

The invention discloses an elevator safety protection device with a self-diagnosis function. The elevator safety protection device comprises a protection device controller and a mounting bracket which are mounted at the bottom of an elevator car, wherein a detection module and an extensible connecting structure capable of being automatically folded are mounted on the mounting bracket; the extending end of the extensible connecting structure is connected with a guide rail quick fixing device; and after a locking fixing mechanism is locked and fixed with an elevator guide rail, time required for injecting a quick fixing nail into the side wall of an elevator shaft to fix the elevator guide rail by a nail injector is shorter than time required for completely unfolding the extensible connecting structure when the elevator car normally ascends. According to the elevator safety protection device disclosed by the invention, the elevator guide rail is detected in an elevator operation process, so that a loosened, broken or dropped bolt is found in the operation process; and after a problem is found, the elevator guide rail can be immediately subjected to emergency fixing treatment by injecting the quick fixing nail, so that elevator operation safety is greatly improved.

The invention discloses a washing machine driving system and a washing machine. The system comprises a rotating body and a transmission device, the transmission device comprises a speed reducing mechanism, a clutch mechanism and a mounting shell, the rotating body is a PSC motor and comprises an outer rotor component and an inner stator component located inside the outer rotor component; the speed reducing mechanism comprises a gear speed reducer, a drive shaft connected with the gear speed reducer and a drive shaft sleeve which is arranged outside the drive shaft in a sleeving mode and rotationally connected with the drive shaft, and the input end of the drive shaft is fixedly connected with the outer rotor component; the mounting shell comprises a stator mounting disc and a mounting plate, and the speed reducing mechanism is located in a cavity formed by the stator mounting disc and the mounting plate which are fixedly connected. Accordingly, the conditions that the structure is simple and compact, and the occupied space is small are met, and meanwhile the motor size is small, the cost is low, few connecting parts exist, the manufacturing technology is simple, and the washing machine driving system is very suitable for large-scale application and popularization and especially suitable for being applied to the field of mid-low-end washing machines used by wide households.

A movable arm type tower crane supporting system auxiliary circulating lifting transport device comprises a movable arm type tower crane and further comprises a set of supporting fixing piece, the supporting fixing piece is connected to the two sides of the top of a standard knot and connected with a rotary table base; the bottom surface of the supporting fixing piece is vertically connected witha lifting lug, the lifting lug is connected with lifting chains, and the lower ends of the lifting chains are connected with supporting frames; the at least three supporting frames are distributed onthe standard knot at intervals and all provided with C-shaped frame bases in advance. According to a construction method, through the rotary table of the movable arm type tower crane and the supporting fixing piece arranged at the top of the standard knot, installing of fulcrums during circulating lifting transport is omitted; and the supporting frames and the C-shaped frame bases are divided intotwo parts, a middle supporting frame temporary hanging method is adopted, the problems that components are damaged or the lifting space is insufficient due to the fact that the supporting frame and the C-shaped frame bases are directly lifted can be solved, a main beam, a connection rod, a vertical inclined support, a horizontal support and other parts are detachable and are in a partial rotationconnecting mode and are convenient to disassemble, folding and assembling during lifting, and the lifting space is saved.

The invention provides a waterproof plug and socket applicable to ships. The waterproof plug and socket applicable to ships comprises a socket, a plug, a first externally connected cable and a second externally connected cable, wherein the first externally connected cable and the second externally connected cable connect the socket and the plug; the first externally connected cable enters from one end, away from a jack, of a socket body and is connected with an electrode clamp spring; the second externally connected cable enters from one end, away from a plug-in piece, of a plug body and is connected with the plug-in piece. The waterproof plug and socket applicable to ships further comprises a thread waterproof structure composed of a first thread ring, a second thread ring and a thread base; flanges used for limiting the thread rings are made of thermoplastic elastomer materials and are formed on the socket body or the plug board in a secondary injection molding mode, at the same time, the thread rings are made of hard polycarbonate engineering materials, and the outer diameter of the position where the flanges and the thread rings are combined after injection molding is greater than the inner diameter of the thread rings. By means of the structural design, the thread rings can be detached from the flanges conveniently, and the limit intensity of the flanges on the thread rings is also ensured.

The invention relates to the technical field of screws, and discloses a fixed torque connecting piece anti-vibration buffer combined screw which comprises a screw cap and a screw rod. Sliding holes are formed in the bottom of the screw cap, cylinders are movably installed in the sliding holes, baffles are fixedly installed at one ends of the cylinders, the other ends of the cylinders are movably installed on first gaskets, one sides of the cylinders are movably sleeved with elastic pieces and second gaskets, a fixed torque twisting-off part is arranged on the upper portion of the screw cap, and a cross-shaped sleeve plate is fixedly installed in the middle of the fixed torque twisting-off part. The torque of the screw is controlled by arranging the fixed torque twisting-off part, when thefixed torque twisting-off part is twisted to reach the fixed torque, the fixed torque twisting-off part is disconnected with the screw cap, and when a constructor installs the screw, the constructor can twist the fixed torque twisting-off part until the fixed torque twisting-off part is disconnected with the screw cap, so that the constructor installs the screw conveniently to meet the requirementfor torsional strength, the screw connection fastening performance is ensured, and looseness is prevented.

The invention discloses a clutch mechanism used for a washing machine driving system and the washing machine driving system. The clutch mechanism comprises a clutch assembly and a shift lever assembly, and the clutch assembly is provided with a clutch shaft sleeve and a wrapping spring assembly; the wrapping spring assembly comprises a spiral spring and a ratchet wheel, wherein the spiral spring is sleeved with the ratchet wheel. The ratchet wheel comprises a first ratchet wheel body and a second ratchet wheel body which are coaxially connected to the outer side of the spiral spring in a sleeving mode and different in ratchet wheel taper direction, one end of the spiral spring is limited on the first ratchet wheel body, and the other end of the spiral spring is limited on the second ratchet wheel body. The shift lever assembly comprises a shift fork assembly which is arranged on the outer side of the ratchet wheel in a sleeving mode and installed on an installation shell of the washing machine driving system, and the shift fork assembly is provided with first ratchet thorns meshed with the first ratchet wheel body and second ratchet thorns meshed with the second ratchet wheel body. The clutch mechanism is simple in structure and convenient to control, by the adoption of the double-ratchet-wheel and double-ratchet-thorn meshing drive clutch mode, the two ends of the wrapping spring assembly are loosened, and the clutch state switching precision can be further effectively ensured.

The invention discloses a test board for frequency converter production and a use method of the test board. The test board comprises a supporting mechanism and an electronic mechanism, the electronicmechanism is arranged on the supporting mechanism; and a fixing mechanism used for fixing a frequency converter, a wiring mechanism used for wiring and a speed measuring mechanism used for testing theefficiency of the frequency converter are also included, the fixing mechanism is arranged in the inner side of the supporting mechanism, the wiring mechanism is arranged at the front end of the fixing mechanism, and the speed measuring mechanism is arranged in one side of the fixing mechanism. According to the invention, rapid wiring can be realized by using the wiring mechanism, tools are prevented from being used for fixing, the connection tightness is ensured by using a jacking force, the frequency converter can be rapidly fixed by using the fixing mechanism, and the working efficiency isimproved.

The invention discloses a steel pipe constraint profile steel type recycled concrete column-beam assembly type joint and a mounting method. The joint is mainly composed of two frame columns, an external pipe sleeve, a connecting component and a profile steel concrete spiral stirrup beam, the external pipe sleeve is arranged between the joints of the two frame columns, the connecting component comprises a threaded fastener, a connecting plate, first H profile steel and U profile steel, the connecting plate is fixed to the frame columns and the external pipe sleeve through the threaded fastener, the first H profile steel is fixed to the connecting plate through the threaded fastener, the steel reinforced concrete spiral stirrup beam is internally provided with second H profile steel matched with the first H profile steel in shape, and the first H profile steel and the second H profile steel are in butt joint and are fixedly in butt joint through the U profile steel and the threaded fastener. The U profile steel is arranged in grooves of the first H profile steel and the second H profile steel, fastening connection is achieved through the threaded fastener, and therefore the structure is stable, and installation is convenient; and the construction method reduces the difficulty and complexity of field construction, and improves the construction efficiency.

The invention discloses a movable lifting stair special for stainless steel tank machining, and belongs to the technical field of tank machining, the movable lifting stair comprises a base disc and a frame assembly arranged at the top of the base disc, a riding assembly is arranged in the frame assembly, and the frame assembly comprises four stand columns fixedly connected to the top of the base disc and sliding sleeves arranged on the inner walls of the stand columns; a telescopic cylinder is arranged on the top of the base disc. By arranging the frame assembly and the sitting assembly, related components on one side of the frame assembly can serve as grippers to grab the outer wall of a tank body, so that when the device rotates, the relative distance can be kept stable with the tank body as the circle center, and workers can conveniently machine the outer side of the tank body; and besides driving the sitting assembly to adjust the height, the height of the frame assembly can be adjusted according to requirements, so that the lifting range of the sitting assembly is expanded, the application range of the device is wider, the sitting assembly is convenient to assemble and disassemble, and workers can go up and down conveniently.

The invention belongs to the technical field of dome-screen simulation cabins, and particularly relates to a dome-screen simulation cabin structure and a preparation method thereof. The dome-screen simulation cabin structure comprises a belly cabin and a top cabin. The belly cabin comprises a plurality of web plates distributed in a circle, the top cabin comprises a plurality of top plates distributed in a circle, and flanged plates are fixedly installed on the two sides and the top of each web plate and the periphery of each top plate; every two adjacent web plates, every two adjacent top plates and the sides, close to each other, of the top plates and the web plates are connected together through two corresponding flanged plates, and two assembly holes are formed in each flanged plate. The dome-screen simulation cabin structure has the advantages of being attractive, light in weight, good in sealing performance, easy to fix, maintain and replace, low in cost, short in development period, capable of being used for manufacturing various driver simulation cabins and the like; traditional fasteners are replaced with fastening mechanisms, the connection fastening performance can be ensured, and meanwhile, compared with a traditional fastener installation mode, the installation mode of the dome-screen simulation cabin structure is faster and more convenient; repeated utilization can be achieved, and the use cost is reduced.

The invention discloses a wire rope sleeve ring with a sheath. The wire rope sleeve ring comprises a sleeve ring section, sheath sections and holes, wherein the sleeve ring section is in a concave-down bent state, a penetrating cavity is defined by the sleeve ring section, the sleeve ring section is provided with a lower concave groove for holding a wire rope, and the concave surface of the lowerconcave groove faces outside; the sheath sections include a first sheath section and a second sheath section correspondingly connected with the two ends of the sleeve ring section, the first sheath section and the second sheath section are located above the sleeve ring section and are parallel with each other in the vertical direction, and the opposite surfaces of the first sheath section and thesecond sheath section are each provided with an upper concave groove for holding the wire rope; and the holes are used for the wire rope to pass through, and the holes include a first hole and a second hole, wherein the first hole is located at the junction of the first sheath section and the sleeve ring section, and the second hole is located at the junction of the second sheath section and the sleeve ring section. According to the wire rope sleeve ring, the sleeve ring section and the sheath sections are integral, and the holes for the wire rope to pass through are reserved, so that the overall manufacturing cost is low, and the structural strength is high; and still the wire rope sleeve ring has a self-tightening function.

The invention discloses an elevator fault diagnosis and protection system. The elevator fault diagnosis and protection system comprises a control center of an elevator system, wherein the control center is provided with an elevator car positioning module which is used for tracking and positioning an elevator car. The system also comprises a diagnosis controller, a detection module, an extendable connection structure and a guide rail quick fixing device, wherein the diagnosis controller, the detection module, the extendable connection structure and the guide rail quick fixing device are arranged below the elevator car; the guide rail quick fixing device is connected with the bottom of the elevator car through the extendable connection structure; the diagnosis controller and the detection module are mounted at the bottom of the elevator car; the guide rail quick fixing device comprises a sliding carrier which is connected with an elevator guide rail in a sliding manner, an electromagnetic claw which is mounted on the sliding carrier, a fasting tool, a position sensor and a fixing device control module. According to the elevator fault diagnosis and protection system disclosed by the invention, the elevator guide rail is detected in an elevator operation process, temporary strengthening of the elevator guide rail is realized in an elevator operation process so as to ensure the security; and meanwhile, adjustment can be performed according to the operation speed of the elevator so as to avoid influencing the stability of the elevator.

The invention provides a novel locking tool. The novel locking tool comprises a rotating handle, a driving rod, a screw rod, a suspension arm and a lantern ring, wherein the rotating handle comprisesan operating rod and a rotating part, the rotating part comprises a connecting base and supporting arms arranged on a base, a rotating shaft is connected between the two supporting arms, a pawl sleeves the rotating shaft, the screw rod is in threaded connection with the two ends of the driving rod respectively, one end of the screw rod is in threaded connection with the end of the driving rod, theother end of the screw rod is hinged to the suspension arm, a user rotates the rotating handle to enable the pawl to stir a ratchet wheel so as to drive the driving rod to rotate, the screw rod movesin the axial direction through threaded transmission, and then goods connected with the suspension arm are tensioned. The lantern ring comprises a connecting rod, a first supporting arm and a secondsupporting arm, the first supporting arm and the second supporting arm are hinged to the two ends of the connecting rod respectively, connection between the lantern ring and the end of the suspensionarm can be completed by rotating the first supporting arm and the second supporting arm, the connection firmness of the lantern ring and the suspension arm can be effectively guaranteed, the suspension arm is prevented from falling off from the lantern ring, and the connection stability is improved.

The invention discloses a toy building element. The toy building element comprises a rectangular element body, and a first connecting piece and a second connecting piece which are arranged at two ends of the element body, wherein the first connecting piece and the second connecting piece are arranged on the same face or the contrary faces of the element body; the first connecting piece comprises a connecting plate and a connecting column arranged on the connecting plate, and the connecting column is arranged on the element body; the second connecting piece comprises a connecting body, and a containing groove allowing for the insertion of the first connecting piece is formed in the connecting body; the containing groove comprises a plate groove used for containing the connecting plate and a column groove used for containing the connecting column; limiting clamping grooves or limiting clamping bulges are arranged on the connecting column, and correspondingly, limiting clamping bulges or limiting clamping grooves are arranged on the column groove; and the limiting clamping grooves are matched with the limiting clamping bulges. The first connecting piece and the second connecting piece of the toy building element can be tightly matched, so that the connection compactness of two toy building elements is guaranteed, and meanwhile, the two toy building elements are convenient to assemble.

The invention discloses a fixing structure for a handlebar tube of a motorcycle. The fixing structure comprises the handlebar tube, wherein the handlebar tube is a circular steel tube; a fixed seat is connected to the end part of the handlebar tube; the part, connected with the handlebar tube, of the fixed seat has a tubular structure; the fixed seat is in interference fit with the handlebar tube; an open circular sleeve for connecting a front shock absorber is arranged on the fixed seat; connecting support lugs are fixedly arranged on the two sides of an opening of the circular sleeve; bolt holes are formed in the connecting support lugs; the connecting support lugs are fixedly connected through bolts in the bolt holes; a support lug for mounting an upper connecting plate is arranged on the side edge of the fixed seat; a mounting hole is formed in the support lug; an annular nick penetrating through the mounting hole is formed in the inner wall of the mounting hole; a groove is formed in the annular nick; an L-shaped thrust bar is arranged in the annular nick; the lower end of the thrust bar extends into the groove. According to the fixing structure, the handlebar tube can be prevented from moving up and down along the front shock absorber, the accuracy of a handlebar tube mounting angle is also ensured, and a driver can safely and comfortably ride the motorcycle; the bolts are also prevented from being loosened, so that the connection firmness of the bolts is ensured.

The invention discloses an anti-loosening computer power line assembly, which comprises a power adapter, power lines arranged at two ends of the power adapter and joint assemblies fixedly connected with the power lines respectively, wherein each joint assembly is composed of a pin assembly and a jack assembly, the pin assembly and the jack assembly are respectively arranged at two ends of the power line, the pin assembly is externally connected with an extension socket, and the jack assembly is used for being connected with a host ATX power interface. The anti-loosening computer power line assembly effectively ensures the tightness of connection between the joint assemblies of the computer power line assembly and the extension socket and the host ATX power interface under the premise of ensuring the working quality of the computer power line, thereby effectively preventing the looseness between the joint assemblies of the computer power line assembly and the extension socket and the host ATX power interface, easy damage of the computer host and electrical components externally connected to the extension socket and the existence of potential safety accidents, and thus effectively ensuring the working accuracy of the computer power line assembly.

The invention discloses an assembly structure of cutting teeth for a slot milling machine and a matched assembly of the assembly structure. The assembly structure comprises the cutting teeth, a toothholder, a wedge block, a first connecting part and a second connecting part, wherein the tooth holder is provided with a U-shaped-like groove which is used for accommodating the cutting teeth, the wedge block is clamped between the side walls of the cutting teeth and the side wall of the U-shaped-like groove, first concave and convex cooperation structures are arranged at the contact portion of the cutting teeth and the tooth holder, second concave and convex cooperation structures are arranged at the contact portion of the wedge block and the tooth holder, third concave and convex cooperationstructures are arranged at the contact portion of the wedge block and the cutting teeth, the first concave and convex cooperation structures are connected through the first connecting part, and the second concave and convex cooperation structures are connected through the second connecting part. By means of the assembly structure of the cutting teeth for the slot milling machine and the matched assembly of the assembly structure, the connecting fastness of the cutting teeth and the tooth holder is guaranteed, the machining precision of the cutting teeth and the U-shaped-like groove of the tooth holder is improved, and the machining difficulty of the cutting teeth and the U-shaped-like groove of the tooth holder is lowered; mutual close cooperation of the parts is guaranteed, the impact and wear of the U-shaped-like groove during the cutting teeth work are lowered, and thus the service life of the tooth holder is prolonged; the maintenance cost of the tooth holder is reduced.

The invention relates to the technical field of stainless steel wire machining, in particular to a special stainless steel wire machining equipment stable splicing installing frame. According to the technical scheme adopted in the special stainless steel wire machining equipment stable splicing installing frame, a body installing stable supporting connecting column with the body shape being cuboidis included, a body assembling stable connecting base is arranged at the upper end of the body installing stable supporting connecting column, parking lots on the left side and the front end of the body assembling stable connecting base are each of an arc structure, assembled attached fastening connecting slopes are arranged at the positions of the rear ends of the right side and the left side ofthe body assembling stable connecting base, a body installing fastening connecting assembling groove is formed in the position of the right rear side of the upper end of the body assembling stable connecting base, and an assembled fastening stable connecting supporting column is arranged on the upper end face of the body installing fastening connecting assembling groove. The special stainless steel wire machining equipment stable splicing installing frame has the advantages that the assembling integral connecting fastening performance can be guaranteed, integral locking can be finished without other auxiliary accessories during assembling, the number of adopted components during installation is smaller, and operation during assembling is more convenient.

The invention provides a multifunctional solar LED yard lamp which comprises a charging base and an LED lamp body, a matching cavity used for containing the LED lamp body is formed in the middle of the charging base, a light outlet used for light emitting of the LED lamp body is formed in the portion, outside one side of the matching cavity, of the wall face of the charging base, and a universal head is arranged at one end of the charging base. A solar module is arranged at one end of the universal head, the other end of the universal head is matched on the charging base in a magnetic attraction mode, a magnetic attraction separation mechanism is arranged in the end, close to the universal head side, of the charging base, and an integrated sensor is arranged on the wall face of one side of the charging base; a first power source device is arranged in the charging base outside one side of the sensor through a fixing frame, a first control mainboard is fixed to the fixing frame outside one side of the first power source device through screws, photovoltaic power generation can be conducted through the solar module, the LED yard lamp is environmentally friendly and saves energy, the LED lamp body can be taken out of the charging base to serve as a lantern, and the LED yard lamp is convenient to use. The functions are diversified.

The invention discloses a pull rope sensor housing which comprises a first shell and a second shell. A first pull rope penetrating hole is formed on the first shell; a second pull rope penetrating hole is formed on the second shell; the first shell and the second shell are in detachable connection; the pull rope first penetrating hole and the second pull rope penetrating hole are connected into one integral pull rope penetrating hole; and a regulation extrusion mechanism is arranged on the end face of the pull rope penetrating hole and used for extruding a pull rope. According to the pull ropesensor housing provided by the invention, a fixed pressure plate and a movable pressure plate are arranged on the end face of the pull rope penetrating hole, a first elastic part and a second elasticpart are respectively arranged inside the pressure plates, the fixed pressure plate and the movable pressure plate form an adjustable flat nozzle extrusion type structure; the pull rope penetrates between two elastic parts; the first elastic part and the second elastic part are extruded by the movable pressure plate so as to filter out moisture and acid liquid on the pull rope; sealing performance and corrosion resistance of the housing are well ensured; and stability and accuracy of a sensor are improved.