37results about How to "Stable alignment" patented technology

The invention provides a backlight module which comprises a back plate, a light guide plate, a backlight source and a support element, wherein the light guide plate is arranged in the back plate; the backlight source is arranged in the back plate; and the support element is arranged in the back plate and supports the light guide plate and the backlight source. The backlight module provided by the invention uses the support element to support the backlight source and the light guide plate simultaneously, thus the backlight source and the light guide plate form the stable counter-point relationship, the stability of light coupling is increased, and the backlight module is simple in structure, is low in cost, and is beneficial to realization of thinning.

A partition system includes adjacent partitions that have aligned top frame members with abutting and horizontally aligned cantilevered end sections. An in-line connector system includes a flat top connector and a U-shaped bottom connector that mateably span between the cantilevered end sections and that engage top and bottom surfaces, respectively, on the top frame members. Specifically, the top connector fits into a cavity in a top of the top frame member. The bottom connector includes a bottom wall and opposing sidewalls that matingly receive and engage bottom and side surfaces of the cantilevered end sections. The connectors combine with a beam-like strength that holds the cantilevered end sections in a particularly stable in-line condition.

A protective tubing assembly having male and female connectors integrally formed along its exterior surface and an asymmetrical cross-section with additional wall thickness in the non-connector cross section regions is provided by the present invention. Cooperating, substantially flat exterior bearing surfaces may also be formed along the exterior surface of the tubing. The tubing can be wound into coiled alignment with the male and female connectors securing adjacent coils together, and the additional wall thickness regions in the asymmetrical cross-sectional reducing unwanted twisting of the tubing that would otherwise lead to individual coils rising from their original, substantially planar coiled alignment. An extrusion manufacturing process with special inner and outer dies is also provided.

The invention discloses a handheld portable measuring tool based on a laser tracker and a measuring method of the handheld portable measuring tool. The measuring tool is a measuring pen which is composed of a conical pen head and a pen rod provided with a target ball base positioning hole. After a target ball base is installed on the pen rod, the pen point of the pen head aligns to and makes contact with a measuring point, a target ball is held by hand to be led to the target ball base, the measuring pen rod is slowly rotated and is kept stable at four positions, the laser tracker measures the coordinate values at the four positions of the target ball, and then the position coordinates of the measuring point of the pen head can be calculated. The handheld portable measuring tool based on the laser tracker and the measuring method of the handheld portable measuring tool have the advantages that no target ball base positioning holes need to be machined in the measuring point, and only the condition that the micro plane where the measuring point is located enables the pen point to be kept stable and aligning when the measuring pen rotates needs to be ensured; the measuring pen does not need to be demarcated, and measuring pen manufacturing errors and form and location tolerances have no influence on the accuracy of a measuring result; the structure is simple, using is convenient, the algorithm can be programmed into the control program of the laser tracker, and the application range is wide.

The invention discloses a variable pitch split type numeric control alignment system of a paper laminating machine. The variable pitch split type numeric control alignment system of the paper laminating machine comprises a first alignment device group and a second alignment device group, wherein the first alignment device group comprises at least two slide rails mounted right above a first conveying mechanism, a plurality of first alignment devices moveably mounted on the slide rails and in symmetric distribution and synchronous working, and a driving mechanism used for driving the first alignment devices to move on the slide rails; each of the first alignment devices comprises a first transmission chain, a first power device used for driving the first transmission chain to rotate, and at least one group of alignment gauges mounted on the first transmission chain and used for aligning and transmitting the laminated bottom paper; when the size of the laminated bottom paper transmitted on the first conveying mechanism in the length direction gets shorter or longer, the driving mechanism device drives the first alignment devices to be mounted on the slide rails and move to the alignment point of the laminated bottom paper, so that the first alignment device group can perform the spatial position alignment and transmission on the laminated bottom paper of different sizes.

The invention discloses a material distribution device for plastic molds, which comprises a device body, a feed port, a feed chamber, a first feed chamber, a second feed chamber, a third feed chamber, a limit device, an inductor and Supporting legs, one side of the device body is provided with the feed inlet, the feed chamber is fixedly connected below the feed inlet, the first feed chamber is provided inside the feed chamber, the A small stirring device is provided inside the first feed chamber, the inductor is provided above the inside of the first feed chamber, the second feed chamber is provided on one side of the first feed chamber, and the second feed chamber is provided on the side of the first feed chamber. The other side of a feed chamber is provided with the third feed chamber, the limit device is provided above the feed chamber, the second discharge pipe is connected below the feed chamber, and the second flow divider One side of the pipeline is fixedly connected with the first diversion pipeline, and the micro-stirring device installed inside the feeding chamber can stir the materials to prevent the materials from solidifying and make them evenly distributed.

A test apparatus for testing semiconductor devices include an insert including an accommodating part receiving a semiconductor device and an opening part formed on the bottom surface of the accommodating part; a test socket provided with a plurality of connection terminals electrically connecting the semiconductor device to a tester; and an interposer disposed between the insert and the test socket and electrically connecting the semiconductor device to the test socket. Especially, the interposer comprises a first circuit board disposed on the test socket, and a second circuit board coupled tothe upper surface of the first circuit board, wherein the first circuit board comprises a plurality of via contacts connected between connection terminals and contact terminals of the semiconductor device so as to connect the contact terminals to the connection terminals, and the second circuit board comprises a plurality of guide holes into which the contact terminals are inserted. Accordingly,the apparatus can protect the contact terminals from being clamped, can accurately align with a semiconductor device having a small interval, and can stably connect the contact terminals to the connection terminals.

The embodiment of the invention relates to an assembled anatomical proximal femoral fracture intramedullary fixing device which comprises a proximal intramedullary nail, a proximal locking nail and adistal locking nail; the proximal intramedullary nail is of a rod-shaped structure and comprises a first fixing part, a transition part and a second fixing part; the proximal locking nail comprises atool bit, a connecting part and a sleeve; the shape of the proximal locking nail is matched with that of a second locking nail hole. The design of the appearances and the abduction angles of the firstfixing part and the transition part of the proximal femur intramedullary nail provided by the embodiment of the invention has extremely high matching degree with a proximal femur medullary cavity, different diameters and lengths can be selected, the intramedullary nail proximal part design avoids protruding out of the vertex of the greater trochanter, the distal forked structure design reduces the risk of stress fracture, and the proximal locking nail is provided with spiral blades with different lengths and central locking structures with different lengths, so that better restoration and more effective fixation between fracture ends are realized.

A magnetic attraction wireless charging panel provided by the present invention comprises a panel main body, a jack module, a wireless charging module, a voltage transformation module and a magnet block, the jack module is installed on one side of the panel main body, and the wireless charging module is fixed on one side, away from the jack module, of the outer wall of the panel main body. The voltage transformation module is fixed to the middle of the inner wall of the panel body and electrically connected with the wireless charging module, and the multiple magnet blocks are fixed to the side, close to the wireless charging module, of the inner wall of the panel body at equal intervals. The wireless charging module is mounted on the charging panel, so that the function of the charging panel can be increased, people can wirelessly charge a mobile phone through the charging panel on the wall surface, and the mobile phone can be firmly and stably adsorbed on the wireless charging panel for charging through the arranged magnet block; and the mobile phone can be aligned with the wireless charging module, so that the charging efficiency is ensured.

The invention relates to the field of liquid crystal materials, specifically to a liquid crystal composition containing a benzothiophene polymerizable compound, and applications thereof. The liquid crystal composition comprises one or a plurality of polymerizable compounds represented by a general formula I, and further comprises a liquid crystal basic system, wherein the using amount of the polymerizable compound represented by the general formula I accounts for 0.1-5% of the total mass of the liquid crystal basic system. According to the invention, the liquid crystal composition has the advantages that the reaction speed is high, the polymerization time of the polymerizable compound can be shortened, the time required by the polymerization process of the liquid crystal display device isgreatly shortened, the yield of the liquid crystal display device is improved, the exposure time of the liquid crystal display device in the environment is shortened, and the quality performance of the liquid crystal display device is improved, so that the liquid crystal composition provided by the invention is suitable for PSVA and SAVA display mode liquid crystal display devices, and is especially suitable for PSVA liquid crystal display devices.

The invention discloses an auxiliary device and method for stainless steel pipe welding. The device comprises a hose clamp. The hose clamp comprises a stainless steel clamp band. One end of the clampband is fixedly connected with a clamp hoop shell and a clamp band shell which are integrated. The free end of the clamp band is inserted into the clamp band shell to form a closed ring. A bolt is screwed into the clamp hoop shell to lock the clamp band. The clamp band is provided with at least two auxiliary welding holes. The surface of the clamp band and the walls of the auxiliary welding holesare provided with high-temperature-resistant layers. The auxiliary device for stainless steel pipe welding has the characteristics of being simple in structure, capable of assisting a connecting partof a stainless steel pipe in accurate locating and also capable of stably charging shielding gas to the back side of a weld seam.

The invention discloses a protection and detection auxiliary device of a universal material testing machine. The protection and detection auxiliary device comprises a safety protective cover, a stable anti-shake frame, a connecting mechanism, a camera stabilizing frame and a camera; the safety protective cover covers the universal material testing machine, and an opening is formed in the side surface; the stable anti-shake frame is mounted on a movable plate of the universal material testing machine and can stretch up and down; the connecting mechanism is installed on the stable anti-shake frame, can stretch out and draw back front and back, and moves up and down along with the stable anti-shake frame; the camera stabilizing frame comprises a fixing rod and a camera telescopic rod; one end of the fixing rod is fixed with the connecting mechanism and can move back and forth and up and down along with the connecting mechanism; one end of the camera telescopic rod is mounted on the fixing rod, and the camera telescopic rod can move on the fixing rod and rotate around the fixing rod; the camera is fixed at the other end of the camera telescopic rod and moves along with the camera telescopic rod; and the camera shoots a test material. The device has the advantages of scientific and reasonable structure, safety, stability, simplicity and convenience in operation, accuracy, stability and the like.

The invention discloses a driving training teaching method and system based on first-person sight line position adjustment. The method comprises the steps: acquiring the position relation between a benchmark proofreading vehicle and a preset mark under the benchmark sight line position and the sight line position of a driving student; calculating a deviation vector according to the position relationship between the reference proofreading vehicle and the preset mark under the first-person sight of the two; loading a virtual driving training teaching plan constructed under a first-person sight line based on the reference sight line position; and adjusting the reference sight line position in the virtual driving training teaching plan to the sight line position of the driving student, and constructing a deviation correction vehicle in the virtual driving training teaching plan to obtain the virtual driving training teaching plan for the driving student for driving training teaching. According to the invention, the deviation proofreading vehicle is constructed in the virtual driving training teaching plan, so that the driving trainee can obtain the difference between the seen scene andthe teaching plan language prompt conveniently, the learning efficiency of the driving trainee is improved, the sitting posture discomfort of the trainee is improved, and the problem of actual strange driving operation after the driving test is finished is solved.

A sheet conveying device includes a first tray, a conveying portion, a second tray, and a conveyance control portion. The conveying portion has: a first conveying path that extends from the first tray; a second conveying path that makes the first conveying path and the second tray communicate with each other and is provided with an ejecting roller pair; a third conveying path that makes the second conveying path and an ejecting space communicate with each other and is provided with a reverse roller pair. After a first sheet passes through the reference position, the conveyance control portion stops rotation of the ejecting roller pair with the first sheet conveyed in the second conveying path nipped by the sheet ejecting roller pair, and after a second sheet passes through the reference position, the conveyance control portion rotates the reverse roller pair with the rotation of the ejecting roller pair stopped.

The present invention provides a display panel, a manufacturing method, and display device thereof. By disposing a mesoporous guide film on a surface of an alignment layer and using evenly distributed mesopores in the mesoporous guide film with a same tilt angle, the liquid crystal molecules are tilted along the mesopores under applied voltage and stand in pore channels of the mesopores to mitigate the issue of poor reliability when the display device implements stable alignment, lower manufacturing cost, improve yield rate of products, and shorten time of processes.

The invention discloses a cup feeding mechanism of a cup printing machine. The cup feeding mechanism of the cup printing machine comprises a machine frame, a supporting plate, a turbine, a worm, fourfixed shafts, four swing arms, four screws and a driving mechanism capable of driving every two adjacent screws to rotate in the opposite direction. The four points on the edge of an opening of a cupare subjected to synchronous transmission though screw grooves of the four screws, and the cup can be more stably and accurately connected on a cup mold in a sleeving mode, so that the alignment of the cup with a printing device is more accurate; linear wire guiding grooves and curved guiding grooves which cross each other are arranged on the turbine and supporting plate to locate the movement track of a roller shaft, the turbine pushes the swing arms to swing inside and outside through the roller shaft through the adjustment of the worm, and the diameter of a circle enclosed by the four screws is adjusted and the circle is applicable to cups of different specifications; since the screws are installed at the tail ends of long arms of the swing arms, the distance between the screws and a fixed shaft is fixed and unchanged, part of the transmission connection on the long arms follows the movement of the long arms, and when the diameter of the circle enclosed by the four screws is adjusted, any structure of the driving mechanism does not need to be changed.