37results about How to "For a solid connection" patented technology

The invention relates to the field of buildings and particularly relates to a precise building mold support frame system for reinforcing building templates and a use method thereof. The precise building mold support frame system for reinforcing the building templates comprises a line frame unit, a beam bottom support frame, a stress clamping device, a loquat support frame, a cable stayed frame and a moving device capable of being braked. The precise building mold support frame system for reinforcing the building templates can conveniently realize the support and fixing effects on various templates built in the building construction, simultaneously, the structure is simple, the efficiency is high, and the practicability is realized.

The invention discloses a hot air head with the long life. The hot air head comprises a hot air head body, an air cylinder and an output shaft arranged on the air cylinder. The upper end of the hot air head body is fixedly connected with a connecting cylinder used for communicating with a hot air pipe, the side wall of the hot air head body is fixedly connected with a fixing cylinder, the output shaft is inserted into the fixing cylinder, and two cylindrical grooves are symmetrically formed in the rod wall of the end, located in the fixing cylinder, of the output shaft; and thrust springs arearranged in the cylindrical grooves, one ends of the thrust springs are fixedly connected with the inner walls of the cylindrical grooves, the other ends of the thrust springs are fixedly connected with limiting rods, and limiting holes corresponding to the limiting rods are formed in the side wall of the fixing cylinder. The hot air head body is low in weight, so that the load of the air cylinderof a power source is greatly reduced, the service life of the air cylinder can be prolonged, and needed power is reduced; and the hot air head body is high in surface hardness and good in abrasion resistance, thus, compared with an original hot air head, the service life of the hot air head is long, and the quality of products is stable in the production process.

The invention discloses an anti-falling safety device which can be fixedly connected with angle iron of a power distribution line iron tower, and belongs to the technical field of high-altitude anti-falling protection. The anti-falling safety device comprises a hanging plate, a sliding plate, a locking tongue and an adjusting assembly. A hook is arranged at one end of the hanging plate in an extending manner, and the other end of the hanging plate is fixedly connected with a safety rope. The hook can be hung to one side plate of the angle iron. A first groove hole is formed in the hanging plate in the extending direction. A clamping groove belt is arranged on one side, away from the hook, of the hanging plate. The clamping groove belt comprises multiple clamping grooves arranged side by side in the extending direction. The sliding plate is in sliding connection with the hanging plate. The lock tongue is arranged on the sliding plate. One end of the locking tongue can penetrate throughthe first groove hole so as to abut against the other side plate of the angle iron. The adjusting assembly comprises an adjusting tongue arranged on the sliding plate. The adjusting tongue can be connected with one clamping groove in a clamped manner when the locking tongue is connected with the other side plate of the angle iron in an abutting manner. The anti-falling safety device can be fixedlyconnected with the angle iron stably, the locking distance between the hook and the locking tongue can be adjusted, and the anti-falling safety device has universality.

The invention relates to the technical field of cotton crushers, and discloses an efficient cotton crusher used for producing cellulose acetate butyrate. The efficient cotton crusher comprises a bottom plate. The upper end of the bottom plate is fixedly connected with a crushing box through a support. The upper end of the crushing box communicates with a feeding hopper. The inner wall of the bottom of the crushing box is fixedly connected with a triangular guide block. The upper end of the triangular guide block and the inner wall of the top of the crushing box are rotationally connected withthe same first crushing rod through a ball bearing. The upper end of the first crushing rod penetrates through the upper end of the crushing box and is fixedly connected with a first driven bevel gear. The upper end of the crushing box is fixedly connected with a crushing motor in a clamped manner. An output shaft of the crushing motor is fixedly connected with a first driving bevel gear engaged with the first driven bevel gear. The efficient cotton crusher used for producing cellulose acetate butyrate has the advantages that multi-stage gradual cotton crushing operation can be achieved, and the cotton crushing efficiency is greatly improved.

The invention discloses a device to prevent the door closed, and particularly to a locator for positioning a sliding door. The agricultural machinery blade fixing frame includes a bottom plate and an elastic rod, and the elastic rod includes a first end, a middle part and a second end, and the first end, the middle part and the second end are connected in turn from back to front. The first end is fixed to the rear end of the bottom base through bolts, and the middle part is inclined upwards to form an elevation. The bolt includes a bolt head and a thread column, and the thread column is connected to the bottom plate by means of threaded connection, and a spring washer, a compression spring and a flat washer are orderly sheathed on the thread column between the bolt head and the bottom plate. The first end is clamped between the spring washer and the compression spring, and the second end bends downwards to form an arc structure. The disclosure overcomes the defects of inconvenient disassembly and damages to door body existing in prior art, and provides an agricultural machinery blade fixing frame which can enhance the friction of door body relative to the ground by elastic pressing.

The invention discloses a zirconia base station comprising a gum piercing section, a neck section and a connecting section, and the neck section is located between the gum piercing section and the connecting section, and has a platform for supporting a peripheral repaired crown. The connecting section is a cylinder, the side of the connecting section is provided with an automatic locking device, the automatic locking device comprises a circular arc-shaped sliding passage and a locking member, openings at the two ends of the sliding passage are located on the same vertical line on the side of the connecting section, the locking member is slidably coupled to the sliding passage, the arc length of the locking member is greater than the arc length of the sliding passage, and the bottom end ofthe locking member is a streamlined curved surface. The zirconia base station can automatically deform and expand, can tension the repaired crown from the inside without using screws to achieve stableconnection of dental implants when sleeving the repaired crown by additional arrangement of the automatic locking device.

The invention relates to the technical field of assembly of tower fans, and particularly to a connecting structure of a motor and a wind wheel and a tower fan comprising the same. The connecting structure comprises a rotating shaft connected with any one of the motor and the wind wheel and a connecting piece connected with the other of the motor and the wine wheel, wherein a notch is formed in the side wall of the connecting piece in a manner of penetrating through the connecting piece in the radial and axial directions and at the position close to the end wall of one side of the rotating shaft; the notch is matched with the rotating shaft in shape and allows the rotating shaft to radially move in or out of the connecting piece through the notch; and the rotating shaft is in transmission fit with the connecting piece. According to the connecting structure of the motor and the wind wheel and the tower fan comprising the same provided by the invention, the needed axial installation space is small, the assembly is quick and convenient, and the size of the overall tower fan is reduced.

The invention relates to a membrane-free partially degradable left atrial appendage occluder, and belongs to the technical field of medical instruments. The occluder comprises an upper disc surface, a bracket body and a lower disc surface, a bracket body is arranged between the upper disc surface and the lower disc surface; the plugging device is cylindrical or drum-shaped; and the upper disc surface is of a closed structure. Due to the closed plug type design, the oppression of the plugging device on the peripheral structure tissue of the left auricle is reduced; complications caused by auricle puncture are reduced; and the requirement for the depth of the implanted left auricle is low, and the application range is wide. The occluder is woven with a dense net, the effect of blocking blood flow is achieved, a traditional flow blocking film is replaced, the occluder can pass through a smaller conveying sheath, and iatrogenic atrial septal defects are avoided. The degradable high polymer material is adopted, so that the metal implantation amount of the left auricle plugging device and the load on the heart of a patient are reduced. Through the design of the forming ring in the plugging device, the radial supporting force of the plugging device is enhanced, and the stability of the plugging device in the body is improved.

The invention discloses a road accumulated water rapid discharge processing method having a safety warning protection function, and relates to a sewage draining method. The road accumulated water rapid discharge processing method having the safety warning protection function includes the steps of forming serval through holes which directly reach the interior of a wellhead and are arranged in an annular mode in the upper surrounding surface of the wellhead, and respectively inserting water pipes with lower pipe openings opposite to the wellhead into all the through holes. The road accumulated water rapid discharge processing method having the safety warning protection function is characterized by integrating the wellhead with cylinder bodies used for safety protection, can form an annular array shape so as to achieve a protection function under the state that a well cover is lost or the well cover is missed in replacement due to damage, greatly accelerates sewage discharge so as to prevent accumulated water on a road surface in rainstorm weather from causing inconvenience to pedestrians by forming the serval through holes arranged in the annular mode in the upper edge side, and canrealize a caution function at night by arranging a caution word mark made of a luminous material, thereby preventing safety accidents from being caused due to the fact the pedestrians collide with thecylinder bodies under the dark light situation at night, being capable of effectively preventing the pedestrians and vehicles from falling into a well hole, and reducing the occurrence probability ofthe safety accidents.

The invention relates to the technical field of automobile wire harness detection, and discloses an automobile wire harness tension detection device comprising a base, wherein two vertical plates arefixedly connected to the upper end of the base in a bilateral symmetry manner; the opposite sides of the two vertical plates are rotationally connected with two two-way screws in a front-back symmetrymode. One end of the two-way screw rod penetrates through and extends out of the vertical plate and is fixedly connected with a driven gear; the outer wall of the vertical plate is fixedly connectedwith a driving motor; and an output shaft of the driving motor is fixedly connected with a driving gear engaged with the two driven gears, the rod wall of the two-way screw rod is in threaded connection with a plurality of movable screw cylinders, the upper ends of the multiple movable screw cylinders are symmetrically and fixedly connected with two movable plates, and the upper ends of the movable plates are fixedly connected with a winding mechanism and a guiding mechanism. The wire harness tension detection device greatly improves the wire harness tension detection efficiency and is convenient to use.

The invention relates to the technical field of automobile accessories, and discloses a wiring harness connector terminal plugging device for automobile wiring harness production, which comprises a fixed end. A binding post is fixedly mounted in the middle of the inner wall of the fixed end, a conductive post is movably mounted in the middle of the binding post, and a reset spring is movably mounted on the inner wall of the binding post. One end of the reset spring is fixedly installed on the conductive post, the other end of the reset spring is fixedly installed on the inner wall of the binding post, and a wire is fixedly installed on the inner wall of the fixed end. The driving column is arranged on the binding post, so that in the clamping process of the movable end and the fixed end, the driving column is locked on the locking groove and the guide groove, self-locking is formed, the driving column can lock the locking groove and the binding post, and therefore what is guaranteed is that in the current flowing process, the phenomenon of poor contact caused by separation of the power transmission sleeve and the binding post due to vibration is prevented, and the purpose of stable connection of the end is finally achieved.

The invention discloses an underground support pile glass fiber rib-steel reinforcement cage and a connecting method thereof. The technical problem that in the prior art, glass fiber ribs cannot be stably connected, and the glass fiber ribs and steel reinforcements cannot be stably connected is solved. The glass fiber rib-reinforcement cage comprises a glass fiber rib cage and a reinforcement cage, wherein the glass fiber rib cage comprises glass fiber rib main ribs, annular glass fiber rib reinforcing ribs and spiral glass fiber rib stirrups; the steel bar main reinforcements and the glass fiber reinforced plastic main reinforcements are connected through buckle mechanisms. The connecting method mainly comprises the steps that the glass fiber rib main ribs and the steel bar main ribs are connected through the buckle mechanisms, and the glass fiber rib main ribs are fixedly bound with the annular glass fiber rib reinforcing ribs, the spiral glass fiber rib stirrups and the horizontal glass fiber rib reinforcing ribs through 10 # iron wires respectively. The steel bar main reinforcements and the glass fiber reinforced plastic main reinforcements are connected through the buckle mechanisms, the whole structure is stable and firm, and the requirement for smooth crossing of a shield in the later period can be met.

The invention provides a liquid level sensor. The liquid level sensor comprises a threaded connector and an outer pipe used as an outer electrode, wherein threads are arranged on the outer wall of the upper end of the threaded connector, the upper end of the outer pipe extends into an inner cavity of the threaded connector, the outer diameter of the outer pipe fits the diameter of the inner cavity of the threaded connector, and the outer wall of the upper end of the outer pipe is directly welded to the inner wall of the inner cavity of the threaded connector, or a fastening and connecting structure is arranged between the outer wall of the upper end of the outer pipe and the inner wall of the inner cavity of the threaded connector. The invention further provides a connecting and fixing method of the outer pipe of the liquid level sensor. The liquid level sensor is simple in structure, the connecting and fixing method of the outer pipe of the liquid level sensor is easy and convenient to operate, and the liquid level sensor is firmly installed so that safety and reliability of the liquid level sensor in the process of actual use can be guaranteed.

The invention provides a positioning pin, and belongs to the technical field of machinery. The positioning pin solves the problem that an existing positioning pin is poor in stability. The positioningpin comprises a pin body, positioning grooves are formed in two opposite side walls of the pin body respectively, the two positioning grooves are close to the two ends of the pin body respectively, nitrile rubber is installed in the positioning grooves, the width and the thickness of the nitrile rubber are both smaller than the width and the thickness of the positioning groove respectively, a fastener is fixedly arranged on the nitrile rubber, a part of the fastener protrudes out of the side wall of the pin body, the fastener comprises a fastening part and guide parts extending outwards fromthe two ends of the fastening part, the end surfaces of the two guide parts are both planes, one end of each guide part is provided with a guide-in corner, the outer end of each guide-in corner is slightly lower than the side wall of the pin body, and a round corner is formed between the other end of each guide part and the fastening part. The position pin has the advantages of being simple in structure and good in stability.

The invention discloses a concrete filled steel tube support connecting device. The concrete filled steel tube support connecting device can facilitate in-site construction casting and achieve stablyconnection of a concrete filled steel tube support. During connecting construction, a worker only needs to mount parts such as anchor rods of a positioning and tensioning module I and a positioning and tensioning module II, then extends the positioning and tensioning module I and the positioning and tensioning module II into the steel tubes of the concrete filled steel tube support respectively, clamps a connecting module between the positioning and tensioning module I and the positioning and tensioning module II, welds axial connecting modules and fills in concrete grout to complete a connection process. The concrete filled steel tube support connecting device is good in connecting stability, high in bearing capacity, stable and reliable in axial and radial connection and tensioning and capable of effectively ensuring the connecting safety and firmness of the concrete filled steel tube support and facilitating construction.

The invention discloses a vehicle distribution box wire harness structure. A distribution box wire harness comprises a distribution box end wire harness and an electric appliance end wire harness, and the distribution box end wire harness is connected with the electric appliance end wire harness through a connector; one end of the distribution box end wire harness is connected with the distribution box, the other end of the distribution box end wire harness is connected with one end of the connector, the other end of the connector is connected with the electrical appliance end wire harness, and the other end of the electrical appliance end wire harness is connected with a wiring end of each electrical appliance. According to the design, the design cost can be reduced, the assembly efficiency is improved, and the modularization degree of equipment is improved.

The invention relates to the technical field of health monitoring, and discloses a middle-aged and elderly people cardiovascular and cerebrovascular disease real-time evaluation watch, which comprisesa watch body, two clamping plates are symmetrically and fixedly connected to the two ends of the watch body, and the side walls of the opposite sides of the two clamping plates are rotationally connected with the same rotating block through pin shafts. A watchband is fixedly connected to the side wall of the rotating block, a medicine storage box is fixedly connected to the side wall of the watchbody, an opening is formed in one side of the medicine storage box, and a cover plate is rotatably connected to the side wall of the lower end, corresponding to the opening, of the medicine storage box through a rotating shaft. The watch body can monitor the physical state of the elderly in real time to give an alarm, so that a user can rapidly take out corresponding medicine from the medicine storage box to take the medicine for timely treatment, and the safety can be greatly improved.

The invention relates to the technical field of vacuum arc-extinguishing chambers, and particularly discloses an improved vacuum arc-extinguishing chamber, which comprises an insulating shell, a static contact and a movable moving contact. A corrugated pipe and a shielding cylinder are positioned in the insulating shell, the corrugated pipe sleeves the outer side of the moving contact, and a firstsolder ring is welded to seal a gap between one end of the corrugated pipe and the insulating shell; the second welding flux ring is used for welding and sealing a gap between the other end of the corrugated pipe and the moving contact; the shielding cylinder surrounds and sleeves the outer side of the first contact and the outer side of the second contact; the third solder ring is welded with the shielding cylinder and the insulating shell; the fourth solder ring is used for welding and sealing a gap between the static contact and the insulating shell. By means of the arrangement of the first solder ring, the second solder ring and the fourth solder ring, welding sealing of the first contact, the second contact and the insulating shell is achieved, and the vacuum sealing performance of the first contact and the second contact is fully guaranteed. By means of the arrangement of the third solder ring, stable connection between the shielding cylinder and the insulating shell is achieved, and the electromagnetic shielding performance of the first contact and the second contact is fully guaranteed.

The invention provides a positioning pin with the improved structure, and belongs to the technical field of machinery. The positioning pin solves the problem that an existing positioning pin is poor in stability. The positioning pin with the improved structure comprises a pin body, a main oil hole is formed in the pin body in the axial direction of the pin body, a plurality of auxiliary oil holescommunicating with the main oil hole are formed in the side wall of the pin body in the radial direction, a positioning groove is further formed in the side wall of the pin body, nitrile butadiene rubber is installed in the positioning groove, a fastener is fixedly arranged on the nitrile butadiene rubber, a part of the fastener protrudes out of the side wall of the pin body, the fastener comprises a fastening part and guide parts, wherein the two ends of the fastening part extend outwards to form the guide parts, the end surfaces of the two guide parts are both planes, one ends of the guide parts are provided with guide-in corners, the outer ends of the guide-in corners are slightly lower than the side wall of the pin body, and round angles are formed between the other ends of the guide parts and the fastening part. The positioning pin has the advantages of being simple in structure and good in stability.

The invention relates to the technical field of financial payment, and discloses an internet supply chain financial credit payment transaction tool comprising a POS machine body. Two L-shaped clampingplates are symmetrically and fixedly connected to the side wall of the POS machine body, and the same wire fixing box is clamped between the two L-shaped clamping plates. Fixing plates clamped in theL-shaped clamping plates are fixedly connected to the two opposite sides of the end, close to the POS machine body, of the wire fixing box, and the fixing plates and the L-shaped clamping plates arefixedly clamped through clamping mechanisms. According to the POS machine, the whole POS machine body has good storage performance, and a charging wire is convenient to carry and use.

The invention discloses a built-in magnetic buckle type building curtain wall, and belongs to the technical field of building curtain walls. Buckling cavities are formed in the upper ends and the lower ends of a pair of built-in connecting columns, magnetic attraction strips are embedded in the inner ends of the buckling cavities, and by means of the magnetic attraction relation generated by the magnetic attraction strips to L-shaped magnetic attraction buckling plates, the L-shaped magnetic attraction buckling plates are movably and magnetically attracted into the buckling cavities. The magnetic snap connection between the glass surface layer and the suspension framework is achieved, installation is easy, convenient and stable, when disassembly is needed, only the air pipe needs to be connected with external air supply equipment, air is supplied to the interior of the hollow cavity, the gradually-increased air pressure pushes the pair of magnetic insulation air pushing mechanisms in the hollow cavity to move towards the upper side and the lower side, and then the glass surface layer and the suspension framework can be disassembled. Under the action of continuous gas supply, the L-shaped magnetic attraction buckling plate is pushed outwards by utilizing gas, so that the L-shaped magnetic attraction buckling plate is separated from the buckling cavity, and an operator buckles the elastic exterior trim bag with a hand, so that the glass surface layer can be simply and conveniently disassembled.

The invention provides a liquid level sensor. The liquid level sensor comprises a threaded connector and an outer pipe used as an outer electrode, wherein threads are arranged on the outer wall of the upper end of the threaded connector, the upper end of the outer pipe extends into an inner cavity of the threaded connector, the outer diameter of the outer pipe fits the diameter of the inner cavity of the threaded connector, and the outer wall of the upper end of the outer pipe is directly welded to the inner wall of the inner cavity of the threaded connector, or a fastening and connecting structure is arranged between the outer wall of the upper end of the outer pipe and the inner wall of the inner cavity of the threaded connector. The invention further provides a connecting and fixing method of the outer pipe of the liquid level sensor. The liquid level sensor is simple in structure, the connecting and fixing method of the outer pipe of the liquid level sensor is easy and convenient to operate, and the liquid level sensor is firmly installed so that safety and reliability of the liquid level sensor in the process of actual use can be guaranteed.

The invention relates to a motor fixing support and an assembling method thereof. The motor fixing support comprises an end cover and an insulation muon arranged on the surface of the end cover. The insulation muon comprises a body and a baffle extending from the circumferential direction of the body towards the outside. An installation groove is arranged on the surface of the end cover, the bodycorresponds to the installation groove in shape and size, one end of the body is clamped in the installation groove, and the baffle is supported on the end face of the installation groove. At least one through hole is arranged at the connection position of the baffle and the body, a positioning groove axially extending along the through hole is arranged on a connection section of the outer wall of the body and the through hole, one end of the positioning groove facing to the end cover extends out of the through hole and the end face of the end forms a step, and the groove wall of the installation groove is clamped on the step. Non-metal pieces and metal pieces of the motor fixing support are stably connected, and the non-metal pieces do not crack, deform, generate radial or axial movement, or fall off.

The invention relates to the technical field of trackside equipment installation, in particular to a trackside equipment installation structure suitable for a U-shaped beam, which comprises a trackside equipment installation part and a retaining part thereof, the retaining part is used for connecting a sound barrier embedded part on the top surface of a side wing of the U-shaped beam, and the trackside equipment installation part and the retaining part form a space for accommodating a sound barrier; according to the trackside equipment installation structure, the sound barrier embedded part is fully utilized, punching of a beam body or a sound barrier stand column is not needed, and the influence caused by whether the sound barrier is installed or not is avoided.

The invention relates to the technical field of fire prevention of buildings, and discloses an efficient fire prevention device of an intelligent building. The efficient fire prevention device comprises a steel pipe, a manual signal butterfly valve held switch, DN100 plastic-coated steel, a water flow indicator, a solenoid valve, a fire monitor fire-extinguishing device, a fixing support, a steelpipe fixing piece, an electric valve, a water flow indicator fixing frame, a fixing nut, an anti-skid screw slice, a manual signal butterfly valve and a fixing seat fixedly connected to the wall surface; a T-shaped groove is formed in the inner wall of the fixing seat; a positioning block is clamped in the T-shaped groove and is fixedly connected with the fixing seat through a positioning mechanism; the lower end of the positioning block is fixedly connected with a first semi-circular plate through a supporting rod; and the lower end of the first semi-circular plate is connected with a secondsemi-circular plate through a hinge. The efficient fire prevention device of the intelligent building has the advantages that the steel pipe can be mounted and dismounted quickly and conveniently andthe cushioning performance is good.

The invention discloses a stably connected torque sensor. The stably connected torque sensor comprises a torque sensor body, an external connecting fixture and a screw, wherein a through hole is formed in one of the torque sensor body and the external connecting fixture, a threaded hole and a positioning hole which are coaxial are formed in the other one of the torque sensor body and the externalconnecting fixture, and the inside diameter of the positioning hole is greater than or equal to the nominal diameter of the threaded hole; the rod part of the screw comprises a polished rod part located on the back end and a threaded part located on the front end, and external threads which are matched with internal threads of the threaded hole are formed on the threaded part; and the torque sensor body and the external connecting fixture are stably connected by the screw, during connection, the threaded part and the polished rod part pass through the through hole, the threaded part is locatedin the threaded hole, part of the polished rod part is located in the positioning hole, and the polished rod part is in transition fit with the positioning hole. According to the stably connected torque sensor, sliding between the torque sensor body and the external connecting fixture can be preferably avoided, and normal use of the torque sensor is guaranteed, so that normal operation of the whole mechanical system can be effectively guaranteed.