80results about How to "No assembly required" patented technology

The invention discloses a flexible hinge amplification-based piezoelectric microgripper, which comprises a substrate, a rack, a piezoelectric stack driver, a pre-tightening screw, a motion transmission mechanism, a pair of clamping arms and a chuck; the deformation of the piezoelectric stack driver is converted into the displacement of the chuck by the motion transmission mechanism; the rack is provided with two pillars, and the piezoelectric stack driver is located between the two pillars; the motion transmission mechanism comprises a pair of double-rocker mechanisms and a pair of lever support arms; one end of an active rocker of each double-rocker mechanism is hinged with the corresponding pillar, and the other end of the active rocker is hinged with a corresponding connecting rod; each active rocker is provided with an extension section; the extension sections of the active rockers lean against the piezoelectric stack driver; the deformation of the piezoelectric stack driver serves as the driving force of each double-rocker mechanism; a position detection strain gage is adhered to the extension section of the corresponding active rocker; each clamping arm is provided with a clamping force detection strain gage. The flexible hinge amplification-based piezoelectric microgripper disclosed by the invention has the advantages that not only can the large stroke of the tail end of the microgripper be realized but also the clamping force detection and the position detection of the tail end of the microgripper can be integrated.

The invention discloses a piezoelectric micro-platform capable of amplifying based on a flexible hinge. The piezoelectric micro-platform comprises a frame and a carrier platform, wherein a micro-driver and an amplifying mechanism are arranged on the frame; the amplifying mechanism is a double-rocker mechanism; an extension section is arranged on one end, which is far away from a connecting rod, of a driving rocker of the double-rocker mechanism, and a free end of the extension section of the driving rocker supports the micro-driver; the driving rocker and the extension section thereof form an amplifying lever with a hinge point of the driving rocker and the frame as a pivot; an extension section is arranged on one end of the connecting rod, which is far away from the driving rocker; the carrier platform is connected to a decoupling mechanism, the decoupling mechanism is formed by at least one pair of decoupling units, and the two decoupling units are symmetrical around the center of the carrier platform; each decoupling unit is formed by a connecting arm and a pair of flexible arms, one end of each flexible arm is hinged to the frame, the other end of each flexible arm is hinged to the connecting arm, and the other end of the connecting arm is hinged to the carrier platform; the extension section of the connecting rod is hinged to any one decoupling unit. The piezoelectric micro-platform has the advantage that the driving displacement of the micro-driver can be amplified.

The invention provides a constant-force-adjustable multi-freedom-degree flexible micro-gripper. The constant-force-adjustable multi-freedom-degree flexible micro-gripper comprises a micro-gripping unit; the micro-gripping unit comprises a gripping component and a freedom degree regulating component; the gripping component is installed on the freedom degree regulating component and can move in theup-down direction, the left-right direction and the front-back direction under the driving of the freedom degree regulating component; the gripping component is connected with the freedom degree regulating component through a connecting block; the freedom degree regulating component is fixed to an abnormal-surface pedestal through a substrate, and thus the freedom degree regulating component moving in different directions is different in installation directions on the abnormal-surface pedestal. The constant-force-adjustable multi-freedom-degree flexible micro-gripper provided by the inventionrealizes constant-force output and constant-force adjustability of the micro-gripping unit, and simultaneously makes the gripper have a plurality of freedom degrees. The constant-force-adjustable multi-freedom-degree flexible micro-gripper provided by the invention is small in structure weight, convenient to operate and applicable to a micro-operation robot system and a micro-electromechanical system.

The invention discloses a 3D printing method for a building model. The method comprises the following steps: drawing, namely designing specific manufacturing area and ratio and selected material of the model according to the design general view and the model requirements and drawing a three-dimensional diagram of the building model by using software capable of carrying out 3D printing; and printing, namely preparing a 3D printer, carrying out 3D printing according to the building model diagram, beginning to print from the bottom of the building model layer by layer, finishing printing from the top part, and starting from one fixed edge of the model in printing of each layer. The building model manufactured by the method is high in speed and relatively high in precision; and the model is a whole body and does not need to be assembled.

The invention relates to a factorial construction technology for small prefabricated components. Set-shaped steel formworks or wood formworks are adopted mostly for casting in construction sites for traditional small component fabrication, portable vibrators are used for vibration, although produced small components have the qualified strength, most of the small components have coarse appearances, the phenomena of honeycombs, pitted surfaces, edge missing, corner losing and the like are relatively general, the scenery along roads is affected, and the service life of the components are severely impaired. With the technology, small components are prefabricated in a fixed site, set-shaped formworks prepared from high-strength composite plastic are adopted, the standard small components required by engineering are prefabricated through concrete mixing, pouring, vibration, curing and demolding procedures, the high-strength plastic set-shaped formworks are adopted and are prepared from a composite prepared from polystyrene, acrylonitrile-butadiene-styrene (ABS) plastic and partial additives through technological processing, female molds are developed firstly according to sizes of the small components, molds are formed through one-time stamping of the female molds, and the wall thickness is 4.5 mm. The invention is applied to the factorial construction technology for the small prefabricated components.

The invention discloses a PVC-gel film preparation method, a PVC-gel film flapping wing flying mechanism and a preparation method thereof. The PVC-gel film flapping wing flying mechanism comprises flapping wings and a silicone rubber skeleton, wherein the flapping wings are made of a PVC-gel film, a positive electrode and a negative electrode are correspondingly arranged on the upper and lower parts of the PVC-gel film, the PVC-gel film is disposed on the silicone rubber skeleton in a penetrating mode to form a flexible flapping wing flying mechanism, and a square-wave voltage is applied to the positive electrode and the negative electrode to adjust the flapping frequency of the flapping wings. The structure is simple, the controllability is high, the flapping frequency is controllable, and by applying the square-wave voltage to the positive pole and the negative pole to adjust the flapping frequency of the flapping wings, no noise is generated substantially during the power-on process.

A universal dosing device with changeable tubes (3) to spray the products kept in bottles (11) comprises housing (2), changeable tubes, an adapter (5), a cover and a control nozzle (7). The dosing device comprises an ergonomic handle with a cavity (9), the top edge thereof has a fixation ring to fix the bottle. The dosing system under the ring comprises a guide canal (15) to install the changeable tube and a trigger (14) that is located underneath them. The rigidity adjustment latch in front of the trigger is attached at least one end of the housing. The support is installed under the canal on the handle. The guide rail between the support and the ring is to make the disassembly easier. The changeable tube is a tube where one end thereof becomes a connection nozzle.

This is a structure of eliminating the audio noise and yawp of a electronic device. It's used to avoid the output signals of the sound-source organ in the analog circuit section of the host board of the electronic device from coming back to sound-source organ through the digital circuit section to cause the noise of the audio signals. This invention equips at least one analog loop grounding point at the contiguous position of the signal input end of the sound-source in the analog circuit section. The grounding point of the analog circuit is connected to the metal machine shell of the electronic device, and forms a noise leading loop with the signal input end of the sound-source organ, the output end of the sound-source organ and the grounding point of the analog circuit, to get rid of the audio noise and yawp of the analog section.

The invention discloses a cable crossing device for power construction. The device comprises a transport vehicle, a support frame and a mounting table are mounted on the transport vehicle, wherein a lifting mechanism is mounted on the mounting table, a support mechanism is mounted at the top of the lifting mechanism, and a first connecting rod and a second connecting rod are mounted on the liftingmechanism; one ends of the first connecting rod and the second connecting rod are installed on the lifting mechanism, and the other ends are installed on the supporting mechanism. The device only needs to be moved to a working position under the action of a transport vehicle, assembling and disassembling are not needed, the working efficiency is greatly improved, the lifting mechanism can expandthe supporting mechanism, the purpose of crossing obstacles is achieved, erecting of cables is achieved, the lifting mechanism can fold the supporting mechanism, and the device is convenient to use and high in practicability; safety of the device in the transportation process is guaranteed, the stability of the device is guaranteed through the arrangement of the two supporting mechanisms, the situation that the device inclines and even is damaged due to uneven stress in the working process is prevented, and the service life of the device is greatly guaranteed.

The invention relates to the technical field of electronic cigarette production and discloses a production device and method for electronic cigarette foam. The production device comprises a mounting plate, a foam feeding mechanism, a housing feeding device, a foam carrying mechanism, a foam loading mechanism, a housing carrying mechanism and a discharging carrying mechanism, wherein the foam feeding mechanism, the housing feeding device, the foam carrying mechanism, the foam loading mechanism, the housing carrying mechanism and the discharging carrying mechanism are arranged on the mounting plate; the foam loading mechanism is positioned in the middle of the mounting plate; the foam feeding mechanism is positioned on the side of the foam loading mechanism; the foam carrying mechanism is connected with the foam feeding mechanism and the foam loading mechanism; the housing carrying mechanism is connected with the housing feeding device and the foam loading mechanism; and the dischargingcarrying mechanism is positioned on the discharging side of the foam loading mechanism. The foam feeding mechanism is used for feeding in a carrier tape mode, so that feeding is reliable and stable; and the foam loading mechanism is used for assembling the foam at the upper end and the lower end at the same time, so that the production efficiency is improved, and the production success rate is higher.

An assembled structure of brake release knob that assures a predetermined anchoring force, and reliable anchoring with no damage being caused in assembling. A cap (80) is fixed in a brake lever distal end part (11); a brake release knob (20) is inserted into the cap (80); a flange part (23) formed on a leg part (22) extending from a head part (21) of the brake release knob is engaged with an innermost end (85) of the cap; in the brake lever distal end part (11), a distal end part taperedly extending from a shoulder part (72) of a release rod (70) is inserted closer to the center of the cap (80) than the leg part (22) of the brake release knob; and between the shoulder part (72) and the innermost end (85) of the cap, the flange part (23) of the brake release knob is sandwiched under pressure.

The invention relates to a special effects stage with multiple movement types. The special effects stage comprises a baseplate and a center pole, wherein a bevel gear ring surrounding the center poleis arranged on the baseplate, multiple screws are uniformly distributed in circumference on the top edge of the bevel gear ring, a bevel pinion is connected with the screws, a first bevel gear engagedwith the bevel pinion is fixed on the center pole, a shipper rod is matched with the screws, the bottom of the shipper rod is fixed on a small stage, a second bevel gear is arranged on the upper endof the center pole, a center stage is vertically and slidably matched with the center pole, the center stage and the second bevel gear are arranged in threaded connection, the bevel gear ring and thesecond bevel gear engage the drive bevel gear together, and a drive motor is connected with the drive bevel gear. The special effects stage has the advantages that the function of raising, rotating and moving during performances is realized, the amount of the equipment used is reduced, the need for assembly is eliminated, disassembly is easier, the interoperability of the whole stage is better, control error rate is lower, thereby ensuring that the actors perform at a high standard, the cost of use is lower, and the cost of performances is greatly reduced.

The invention discloses a miniature static pressure gauge for monitoring the settlement of a soft soil roadbed of a highway. The miniature static pressure gauge is characterized in that a shell is a sealed metal cylindrical cavity; a pressurizing ring is fixed at the center of a top cover of the shell; a dish-shaped film transversely separates the upper part of the shell, and the center of the dish-shaped film is fixed with the bottom of the pressurizing ring; the part, above the dish-shaped film, of the shell is connected with a corrugated pipe to be subjected to water injection, and the part, below the dish-shaped film, of the shell is provided with a frequency measurement system connected with the dish-shaped film; the frequency measurement system comprises a string wire, a vibration exciter, a cable and a frequency measurement instrument; the top end of string wire is connected with the center of the dish-shaped film, and the vibration exciter located on one side of the string wire is connected with the frequency measurement instrument on the ground through the cable penetrating through the side wall of the shell. Due to the arc-shaped curved surface of the dish-shaped film and the property of a large membrane surface, the miniature static pressure gauge can remarkably deform under a tiny pressure, so that the vibration frequency of the string wire is remarkably changed, and the change of the water outlet pressure can be accurately measured according to the change of the vibration frequency of the string wire so as to obtain the settling volume of a foundation; the miniature static pressure gauge has the advantages that the stabilization of the instrument is good, the measurement accuracy is high, and the field installation is easy.

The invention discloses an anti-oxidation method of a biological material and the biological material. The anti-oxidation method comprises the following steps: under preset conditions, carrying out anti-oxidation treatment on the biological material by using a reducing agent, and storing the biological material subjected to the anti-oxidation treatment in a dry state. The biological material is subjected to the anti-oxidation treatment by adopting the reducing agent, so that the biological material has certain anti-oxidation capacity, and the material can be well protected from unpredictable changes in an uncontrollable external environment. Meanwhile, the biological material subjected to anti-calcification treatment is stored in a dry state. The requirement for storage conditions is low when the biological material is stored in the dry state, the storage time is longer, and the biological material has the capacity of tolerating adverse environments. Meanwhile, the biological materialstored in the dry state can be directly used after complete package is unsealed, rinsing and assembling are not needed, application is more convenient, and rescue time is saved.

The invention relates to a folding bunk bed. The folding bunk bed comprises a first bed column, a second bed column, a third bed column, a fourth bed column, an upper bed frame, a lower bed frame andfixing bolts. The folding bunk bed is characterized in that first connection guard bars are arranged between the first bed column and the second bed column, and one end of the first connection guard bars is fixed to the second bed column while the other end is hinged to the first bed column; second connection guard bars are arranged between the third bed column and the fourth bed column, and one end of the second connection guard bars is fixed to the fourth bed column while the other end is hinged to the third bed column; the upper bed frame and the lower bed frame are identical structurally and comprise first side column, second side columns and reinforcing columns, and two ends of each reinforcing column are fixedly connected with the corresponding first side column and the correspondingsecond side column. The folding bunk bed is simple in structure and convenient to use and can be directly folded to reduce occupied space when being transported or not used. In use of the folding bunk bed, the four bed columns are supported open, the second side columns of the upper bed frame and the lower bed frame are overlapped on first supporting blocks and second supporting blocks and fixedthrough the fixing bolts, so that the folding bunk bed can be used, and assembly is almost avoided.

The invention relates to an embedded plastic sealing mark. The embedded plastic sealing mark comprises a horizontal end cover, clamping buckle legs and a clamping buckle seat, wherein the horizontal end cover is arranged at the upper end of the embedded plastic sealing mark; the embedded plastic sealing mark is characterized in that the horizontal end cover is connected with the clamping buckle seat through side walls on the two sides and the connecting strips at the lower ends of the side walls; the bottoms of the clamping buckle legs are horizontal and provided with upper anti-skid teeth; two wire clamping hole grooves corresponding to the two clamping buckle legs are formed in the clamping buckle seat; the bottoms of the wire clamping hole grooves are horizontal and provided with lower anti-skid teeth; a downward arrow-shaped reinforcing buckle is arranged between the clamping buckle legs; an arrow-shaped reinforcing buckle hole matched with the reinforcing buckle is formed in the clamping buckle seat; downward clamping buckle inverted hooks are arranged on the internal sides of the side walls; clamping buckle inverted hook cavities matched with the clamping buckle inverted hooks are formed in the clamping buckle seat; and connecting columns are arranged between the two sides of the bottoms of the clamping buckle legs and the clamping buckle seat. The embedded plastic sealing mark provided by the invention has the advantages of simple structure, convenient process, low cost, good anti-prying performance as well as convenience and reliability in use.

The invention relates to the technical field of equipment for electrochemical experiments, in particular to a universal electrochemical testing device. The device comprises a hollow container barrel, supporting plates are arranged at the two ends of the container barrel, and the two ends of the container barrel are blocked by the supporting plates; through holes are formed in the container barrel, a clamp is arranged at the position, on one side of each through hole, of the container barrel, a sample supporting plate is formed in at least one supporting plate, and a clamping plate is arranged on one supporting plate. The universal electrochemical testing device has certain universality and can meet various electrochemical tests, repeated assembling is not needed, the testing device does not need to be replaced, the device is simple and easy to operate, and different electrochemical tests can be conveniently switched at any time. Meanwhile, the same device is used for carrying out multiple experiment tests, the standard is unified, and the testing result is more precise.

The invention relates to an optical axis stable platform. The optical axis stable platform comprises a base plate, a supporting seat, an elastic frame, a pushing rod, a stepped rotary shaft, a rotary shaft frame and an outer shell. The supporting seat and the base plate are designed into a whole, and a connecting block is arranged between the elastic frame and the supporting seat; the connecting block is connected with the supporting seat through a through groove in the front-back direction, and the other end of the connecting block is connected with the elastic frame through a screw hole; one end of the pushing rod is fixedly connected with the elastic frame, and the other end of the pushing rod is tightly close to the rotary shaft by penetrating through a gap of the rotary shaft frame; and the rotary shaft frame and a rotary shaft seat are designed into a whole and are fixedly connected with the base plate through screw holes. The lower end of the stepped rotary shaft is matched with the bottom end of the rotary shaft frame through bearings, and the upper end of the stepped rotary shaft is matched with the rotary shaft frame through bearings as well; the outer shell is divided into an upper part and a lower part, the upper half part is fixed to a side wing of the base plate through bolts, and the lower half part is fixed to the bottom face of the base plate through bolts; and an electronic cabin is formed between the lower half part of the outer shell and the base plate. The optical axis stable platform has the advantages of being low in cost, simple is structure, good in controllability, high in precision and the like.