180results about How to "Not easy to twist" patented technology

The invention relates to a lightweight total-bearing body frame structure, which comprises a side wall frame, a roof frame, a front wall frame, a rear wall frame and an interlayer frame. The lightweight total-bearing body frame structure is made of an aluminum alloy or magnesium alloy material, and is riveted with lockbolts so as to ensure that the weight of the body frame is greatly reduced while the whole strength of the body is not lower than the conventional steel body frame. The parts forming the body frame has a unique design, so that well balance between weight reduction and strength maintenance can be achieved. The lightweight total-bearing body frame structure saves more energy than the conventional steel frame.

The invention discloses a touch panel and a touch display device which is provided with the touch panel. The touch panel comprises a light panel, a plurality of light sources and a plurality of detectors, wherein, the light panel comprises an upper surface, a lower surface, a plurality of side surfaces and a plurality of light input surfaces. The light source is arranged on the light input surfaceof the light panel, and the light source has a light bundle total reflection angle (alpha) and a light bundle vertical divergence angle (beta) relative to the light input surface of the light panel,wherein, alpha is greater than theta and less than 60 degrees, theta is the critical angle of the total reflection angle of the light panel, and beta is less than 50 degrees. The detector is arrangedin the position corresponding to the light source to receive the light bundle signals emitted by the light source. The invention can avoid the problem that the traditional optical touch panel easily generates wrong touch signals.

The invention discloses a polycarboxylate superplasticizer with a mud preventing effect. The structural general formula of the polycarboxylate superplasticizer is as shown in the description, wherein R1 is H or CH3, R2 is H or COOM, R3 is an alkyl of C1 to C3, and M is H, Na, K or NH4. The invention also provides a preparation method of the polycarboxylate superplasticizer with the mud preventing effect. The superplasticizer synthesized by use of the process is applied to concrete within the aggregate mud content range of 0-8%, and a good application effect can be obtained through direct use without physical compounding.

The invention provides a full-plastic elastic inflaming-resistant elevator balance compensation chain. The elevator balance compensation chain comprises a metal chain wrapped with a wrapping layer, a protective sleeve is arranged outside the wrapping layer, and the metal chain is composed of two metal sub-chains comprising the first metal sub-chain and the second metal sub-chain. The second metal sub-chain is fixedly wound around the first metal sub-chain. A common single metal chain is designed to be the combination body composed of the two metal sub-chains, the lifting speed of an elevator in lifting will not be limited, and the full-plastic elastic inflaming-resistant elevator balance compensation chain is large in bearing load, has good suspending perpendicularity and is not prone to twisting; the quality of each metal sub-chain is improved, and therefore the time cost and the operation cost are lowered to a certain degree.

The present invention provides a drum-type washing and drying machine in which a filter chamber in which a filter is detachably installed is provided in the middle of a circulating air supply path in which a step of drying laundry is performed by circulating air. The filter is attached to and detached from the filter chamber through an attachment and detachment port opened on the top surface of the case along an attachment and detachment path inclined forward from the bottom to the top. Therefore, it is easy to prevent accidental catching on the top surface, and the filter can be simply and easily attached and detached.

The invention discloses a top grafting method for macadamia nuts. Through cutting stems, grafting, and managing after grafting and other methods, top grafting is performed on grown-up low-yield macadamia nut trees. The method is simple in operation and low in production cost, and dwarfs tree forms. In spring and autumn, grafting survival rate is high. The method is suitable to be used for variety transformation of a low-yield macadamia nut orchard.

The invention relates to an AlxCoCrFeNi multi-element alloy wire material and a preparation method thereof. The component atom expression of a multi-element alloy is AlxCoCrFeNi, wherein x is more than or equal to 0 and less than or equal to 0.5. A phase structure of the alloy takes a face-centered cubic solid solution as a main part. The preparation method of the AlxCoCrFeNi multi-element alloy wire material, disclosed by the invention, comprises the following steps of vacuum suspension smelting, die forging, rotary forging and hot drawing. A traditional rotary forging and drawing method can be used for preparing the multi-element alloy wire material with a certain diameter and random length; the production cost is low, the product performance is stable and the quality is high; and the application of the multi-element alloy wire material to the industrial field becomes possible.

The invention provides a female terminal and an electrical connector. The female terminal is not easy to produce micro-sliding wear due to vibration, can obtain strong contact pressure, and has good workability under low insertion force. Also, prevent twisting. A female terminal (1), including two parts, a terminal body (2) and a reinforcing part (3) installed on the terminal body, the terminal body (2) has a plug-in piece that is inserted in the front The elastic contact piece (34) that the terminal (80) contacts, and has the electric wire connecting part (6, 8) that is connected with the electric wire at the back, and the described strengthening part (3) has the spring piece (38), and above-mentioned contact piece ( 34) When deflected due to contact with the above-mentioned blade terminal (80), the spring piece (38) supports the contact piece (34) to strengthen the contact pressure of the above-mentioned contact piece (34).

The invention relates to a thoracic aorta covered stent, which is used for treating aneurysm of thoracic aorta and dissecting aortic aneurysm in minimally invasive surgeries. The thoracic aorta covered stent comprises a cover and a stent composed of a plurality of cylindrical single rings, wherein the cover is adhered to the stent to form a tubular cover; the plurality of cylindrical single rings are in wave patterns; a supporting frame is arranged at the near end of the stent; and each cylindrical single ring comprises a first type cylindrical single ring and a second type cylindrical single ring which are distributed at intervals on the tubular cover; the amount of the waveforms of the first type cylindrical single ring is not less than that of the second type cylindrical single ring; and the waveform of the first type cylindrical single ring is less than that of the second type cylindrical ring.

The invention discloses an anti-theft bolt with an anti-theft sleeve. A bolt head, a bolt rod, an auxiliary cover, the anti-theft sleeve, clamping grooves and a movable rod are included; the bolt headis in a hexagon shape; the bolt rod is fixed to the bottom center of the bolt head which is sleeved with the auxiliary cover with an opening in the lower end; the auxiliary cover and the bolt head are fixed; the exterior of the auxiliary cover is cylindrical; the auxiliary cover is sleeved with the anti-theft sleeve with an opening in the lower end; the bottom of the anti-theft sleeve is providedwith a through hole sleeving the auxiliary cover; the inner diameter of the through hole is slightly larger than the outer diameter of the auxiliary cover; the exterior of the auxiliary cover is provided with one circle of ring-shaped clamping grooves; the inner wall of the through hole is provided with a plurality of side holes corresponding to the clamping grooves; and the movable rod is arranged in the side holes. According to the anti-theft bolt with the anti-theft sleeve, the movable rod and the clamping grooves are combined so that the anti-theft sleeve and the auxiliary cover are not prone to separation, slipping happens during rotating so that the bolt cannot be easily unscrewed, and a very good anti-theft effect is achieved.

The absorbent article (1) of the present invention has a front sheet constituting a skin-contacting surface (2), a back sheet constituting a non-skin-contacting surface (3), and an absorbent layer (4) disposed on the skin-contacting surface side , the absorbent article is formed into a substantially longitudinally long shape. The absorbent layer (4) has a portion with a different number of layers in its width direction, and a portion of the absorbent layer (4) with a large number of layers has a mechanism (5) for stabilizing the wearing shape.

The invention discloses a high-strength concrete-filled steel tube column-beam joint structure and a construction method thereof. The high-strength concrete-filled steel tube column-beam joint structure comprises a tube column and a tube beam, wherein a first column square steel tube and a second column square steel tube are arranged on the outer side wall and inner side wall of the tube column, and the part between the first column square steel tube and the second column square steel tube is filled with concrete; a first beam rectangle steel tube and a second beam rectangle steel tube are arranged on the outer side wall and inner side wall of the tube beam separately, the part between the first beam rectangle steel tube and the second beam rectangle steel tube is filled with concrete, and beam end plates are welded at two ends of the tube beam; two beam end plates on the tube beam are fixedly connected to the left side and right side of the tube column through nuts and bolts; reinforced steel plates are arranged at the front side and back side of the tube column separately; and two edges of the reinforced steel plates are welded with the edges of the two beam end plates separately. According to the high-strength concrete-filled steel tube column-beam joint structure, the torsion strength and connection strength of the connection joint of the tube column and the tube beam are improved separately. The construction method of the high-strength concrete-filled steel tube column-beam joint structure is used for building the high-strength concrete-filled steel tube column-beam joint structure.

The invention relates to a manufacturing method for saw blades and discloses a manufacturing method for a multi-metal saw blade which is made by welding multiple metal tooth materials to the same saw blade prior to grinding. The manufacturing method includes the steps a), subjecting the tooth materials to heat treatment or high-temperature sintering; b), subjecting the saw blade to heat treatment; c), welding the tooth materials treated in the step a) to the saw blade; d), grinding the tooth materials on the saw blade to be tooth-shaped. The saw teeth made of an M51 material and a hard alloy material respectively are welded to the saw blade in an intersected manner; the saw blade is high in precision, sharper, better in wear resistance, long in service life, less prone to continuous teeth collapse, small in use amount of the hard alloy tooth material, less in tooth material loss and economical in resource; the saw blade made of a D6A material or an X32 material is good in anti-fatigue performance and the X32 material is good in rigidity and less prone to distortion.

The invention provides a high-speed elevator balancing compensation chain and a production method of an anchor chain thereof. The anchor chain comprises unstudded anchor chains and interior-studded anchor chains, the interior-studded anchor chains comprise chain rings I and stay pins, the stay pins are located in the chain rings I and placed in the middles of the interior portions of the chain rings I, the stay pins connect the upper and lower portions of the chain rings I, and the stay pins and the chain rings I are connected through connecting buckles. The unstudded anchor chains comprise chain rings II, the unstudded anchor chains and the interior-studded anchor chains are connected in a mode of 1 : 1-3, and the length of the chain ring II of each unstudded anchor chain is one to two times as much as the length of the chain ring I of each interior-studded anchor chain. According to the high-speed elevator balancing compensation chain and the production method of the anchor chain thereof, through the connecting mode, the chain rings of the anchor chain are not prone to loosing and slipping down in the operating process, noise in the operating process is reduced effectively, and the elevator balancing compensation chain is not prone to being twisted; and meanwhile, the strength and the borne load of the elevator balancing compensation chain are effectively enhanced on the premise that the whole weight is not added, and the elevator balancing compensation chain can be suitable for a high-speed elevator at a speed greater than 3 m/s.

The invention provides a telescopic foldable crawling ladder treading power generation rechargeable automatic control type electric bicycle. After a smart phone authorized by a rider is taken away by a long distance, a circuit is turned off automatically, when the smart phone vibrates after being taken away by a long distance or a storage battery leaves a control cabinet, a mobile communication apparatus automatically sends shot photos to the authorized smart phone and displays the position of the mobile communication apparatus and images of the position, after stretching, the number of saddles is increased from one to three, after the two ends are folded by 90 degrees, a bicycle frame becomes symmetrical and can be erected on the ground vertically, a gravity induction oblique speed limiting switch automatically controls a right speed regulating rotary handle and a foldable towing speed regulating rotary handle, a speed regulating handle is rotated, an electric rear wheel is gradually supported upwards by a ladder crawler, so that the electric rear wheel is towed or goes downstairs, power is generated in the treading and braking processes, the phone and a computer can be charged, songs and communication information can be played, and an automatic prompt function is achieved when the electric bicycle turns; and when a vehicle moves rapidly near the rear end of the bicycle in the riding process, the right speed regulating rotary handle vibrates, a rear stop lamp emits flickering strong light, and alarm sounds are given out by the mobile communication apparatus.

The invention relates to an elevator comprising an elevator car 1, which is preferably suspended at the top thereof on a carrying means and guided on tracks, a driving disk mechanism, and a counterweight, wherein the carrying structure is made two frames 2a, 2b surrounding the elevator car in the manner of a closed ring for the purpose of transferring the forces caused by the mass of the elevator car, including the payload thereof, onto the carrying means and vice versa, each ring being substantially formed by closed hollow profiles, the two frames being rigidly connected to one another by bridges 4, 16, resulting in a unified, fixed carrying structure in the shape of a twin frame, each of the two frames being located symmetrically to the side of the guide rails and not flush with the guide rails and using the installation space already available to the side of the guide rails. The frames 2a, 2b are arranged at such a distance from one another that space remains between them for accommodating at least one essential elevator element and each of the frames is either an integral component of two side walls and the ceiling of the elevator car, or at least resting with substantially the entire surfaces thereof from the outside against the side walls and ceiling of the elevator car.

The invention provides a cooling pipe and a cooling structure of a mold. Operation for mounting into a cooling hole can be simplified, and meanwhile leakage of cooling fluid is not prone to happening.The cooling pipe inserted into the cooling hole formed in the mold comprises a pipe and a lip packing, wherein the pipe extends from the front end side to the rear end side along the axis, a groove recessed towards the inner side in the axis right-angle direction orthogonal to the axis is formed in the outer circumference, and the lip packing is arranged on the outer side in the axis right-angledirection of the bottom surface of the groove formed in the pipe; the groove has a first face facing the front end surface of the lip packing and a second face facing the rear end surface of the lip packing, the pipe is provided with a first portion and a second portion, a first face is formed at the rear end, a second face is formed at the front end, and the outer diameter of the outer peripheralsurface of the first portion is enlarged from the front end side to the rear end side.

The invention belongs to the technical field of medical devices, particularly relates to a panoramic tooth trauma camera shooting locator, and aims to solve the problems that the patients with different heights cannot be conveniently shot due to the fact that the existing locator is inconvenient to adjust due to fixed structure, the camera shooting process is relatively difficult and particularlyinconvenient due to the fact that the patient is easy to twist a head in the camera shooting process. The following scheme is now proposed, the locator comprises a bottom plate, the top of the bottomplate is fixedly connected with a supporting column, a first rectangular sliding chute is formed in the top end of the supporting column, a rectangular supporting rod is arranged in the first rectangular sliding chute in a sliding mode, the top end of the rectangular supporting rod is fixedly connected with a locating block, and a placing groove is formed in the top of the locating block. By arranging fixed plates and the rectangular supporting rod, the locator is convenient to shoot the patients with different heights, and the patient is not likely to twist the head in the camera shooting process, so that the camera shooting process is rapid and particularly convenient.

The embodiment of the invention discloses a display method and a related device, and at least relates to machine learning in artificial intelligence. A display component of AR equipment comprises a projection layer and a shielding layer which are overlapped in a display direction, and the shielding layer is behind the projection layer. The AR equipment projects a virtual object on the projection layer, in order to avoid the situation that the visual effect of the virtual object is difficult to match with the real environment due to the fact that ambient light and shadow on the virtual object are overlapped, the projection area of the virtual object on the projection layer is determined, according to the position corresponding relation between the projection layer and the shielding layer, a first area corresponding to the projection area is determined in the shielding layer, the state of the first area is switched from a light-transmitting state to a shielding state when the enhancement display device projects the virtual object, and a second area except the first area in the shielding layer is kept in the light-transmitting state. Therefore, the display effect and reality of the virtual object are improved on the premise that the user is not influenced to check the object in the real scene, and the use experience of the user is improved.

The invention discloses a hoisting slide device for an insulating layer in a greenhouse. The device provided by the invention comprises a frame, wherein a tackle capable of hoisting the insulating layer in the greenhouse is arranged below the frame; and the tackle is in slip connection with the frame. According the invention, a material steel angle which is never used in a greenhouse heat insulating object operation track design is utilized, so that products can be standardized more easily; the tackle is easy to develop and realize large-scale production; and the overall system is stable in operation, small in resistance, large in bearing, less possibility of digression and less possibilities of squeezing and torsion failure. Compared with the prior art, according to the invention, the cost for each common greenhouse can be saved about ** yuan, thus due to the change, a hanging-type inner heat insulating greenhouse has great popularization and application prospects.