30results about How to "Effectively adjust the angle" patented technology

The invention discloses an optical imaging system comprising, in order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens. At least one of the first to fifth lenses is provided with with positive refractive power. The sixth lens may be provided with negative refractive power. Both surfaces of the sixth lens are aspheric and at least one surface of the sixth lens has a point of inflexion. The lenses with refractive power in the optical imaging system are the first to sixth lenses. When a specified condition is satisfied, the optical imaging system can have better light receiving capability and a better optical path adjustment capability so as to improve imagining quality.

An optical image capturing system, from an object side to an image side, comprises a first, second, third, fourth, fifth, sixth, and seventh lens elements. At least one of the first through sixth lens elements has positive refractive power. The seventh lens has negative refractive power. Both of the image-side surface and the object-side surface of the seventh lens element are aspheric and at least one of the two surfaces has inflection points. The second through seventh lens elements of the optical image capturing system have refractive power. When specific conditions are satisfied, the optical image capturing can have a large aperture value and a better optical path adjusting ability, so as to improve imaging quality.

An optical image capturing system, sequentially including a first lens element, a second lens element, a third lens element and a fourth lens element from an object side to an image side, is provided. The first lens element has positive refractive power. The second through third lens elements have refractive power. The fourth lens element has negative refractive power. At least one of the image side surface and the object side surface of each of the four lens elements are aspheric. The optical lens elements can increase aperture value and improve the imagining quality for use in compact cameras.

The present disclosure discloses an optical image capturing system. The optical image capturing system includes a first lens with refractive power, a second lens with refractive power, a third lens with refractive power, a fourth lens with refractive power, a fifth lens with refractive power, a sixth lens with refractive power and a seventh lens with refractive power sequentially arranged from an object side to an image side along the optical axis. At least one of the first through sixth lens has positive refractive power. The seventh lens may have negative refractive power and both image side and object side surfaces of the seventh lens are aspheric. The optical image capturing system can increase aperture value and improve the imagining quality for the application of compact cameras.

The present invention discloses an optical image capturing system, comprising, from an object side to an image side, a first lens with positive refractive power having a convex object-side surface; a second lens with refractive power; a third lens with refractive power; a fourth lens with refractive power; a fifth lens with refractive power; and a sixth lens with negative refractive power having a concave image-side surface, wherein both surfaces of the all lenses are aspheric surfaces, and at least one surface of the sixth lens has an inflection point. In the optical image capturing system, the first to sixth lenses have refractive power. When a specific condition is met, a greater light receiving ability and a better optical path adjusting ability are achieved, so as to improve imaging quality.

The invention relates to a knitting circular weft knitting machine, which is used for knitting yarns into a double faced fabric, wherein the knitting is finished by a needle cylinder. The top part of the circular weft knitting machine is provided with a plurality of yarn feeders distributed on the circumference; the central part of the circular weft knitting machine is provided with a rotating rod; a plurality of brackets are distributed on the rotating rod; the brackets are provided with electric fans which are used for blowing away flying cotton wools near the yarn feeders and blow uniformly; in a plurality of the brackets, at least part of the brackets are provided with bendable structures to ensure that the electric fans arranged on the brackets can blow to different positions. The knitting circular weft knitting machine treats the flying cotton wools near the yarn feeders in time, has a large treatment range, and effectively prevents the flying cotton wools from being adhered to the yarn feeders, so the working efficiency of the yarn feeders is improved.

An optical image capturing system, sequentially including a first lens element, a second lens element, a third lens element and a fourth lens element from an object side to an image side, is disclosed. The first lens element has negative refractive power, and the object side may be convex. The second through third lens elements have refractive power. Two surfaces of said lenses can be aspheric surfaces. The fourth lens element has positive refractive power, and two surfaces thereof are aspheric surfaces. At least one surface of the fourth lens has an inflection point. The first to fourth lenses of the optical image capturing system have refractive power. If all specific conditions are satisfied, the optical system can increase light gathering and optical path adjusting ability, thus improving the imagining quality.

An optical image capturing system, from an object side to an image side, comprises a first, second, third, fourth, fifth and sixth lens elements. The first through fifth lens elements have refractive power and both of an object-side surface and an image-side surface of the fifth lens elements are aspheric. The sixth lens with negative refractive power may have a concave image-side surface. Both of the image-side surface and the object-side surface of the six lens elements are aspheric and at least one of the two surfaces has inflection points. Each of the six lens elements may have refractive power. When specific conditions are satisfied, the optical image capturing system can have a large aperture value and a better optical path adjusting ability to acquire better imaging quality.

An optical image capturing system, from an object side to an image side, comprises a first, second, third, fourth, fifth, and sixth lens elements. The first lens element has refractive power, and an object-side surface of the first lens element is aspheric. The second through fifth lens elements have refractive power and both of an object-side surface and an image-side surface of the fifth lens elements are aspheric. The sixth lens with negative refractive power may have a concave object-side surface. The image-side surface and the object-side surface of the sixth lens element are aspheric and at least one of the two surfaces has inflection points. The second through fifth lens elements have refractive power. When specific conditions are satisfied, the optical image capturing system can have a large aperture value and a lower height of the optical image capturing system, and it can also improve imaging quality.

An embodiment of the invention discloses a walking aid. The walking aid comprises a hand grab, an aid body, wheels and a lifting structure, wherein the wheels are connected to the aid body and used for supporting and moving the walking aid, the lifting structure is used for adjusting the height of the hand grab relative to the aid body, the hand grab is connected to the top end of the lifting structure, and the aid body is connected to the bottom end of the lifting structure. The walking aid has the advantages that the height of the aid body can be adjusted to adapt to different heights of users, and the height of the hand grab can be adjusted to improve users' walking comfort; the walking aid is designed with an automatic walking mode and an electric walking mode, so that the users can select the proper operation modes according to different application scenes.

The invention relates to a comparison test device capable of detecting the vibration and simulation real-time conditions of an automobile transmission shaft, and belongs to the field of automobile transmission shaft detection. A first test bench is located at the center, and a second test bench is arranged at the right side of the first test bench. There is a gap between the second test bench and the first test bench. A third test bench is disposed at the left side of the first test bench, and there is also a gap between the third test bench and the first test bench. The third test bench and the second test bench are arranged in a manner of mirror image relative to the first test bench. The device is advantageous in that the device solves a problem that a conventional test bench consumes a large amount of time and labor in operation, reduces the operation difficulty, achieves the maximized real vehicle simulation, enables the test environment of the vibration of the transmission shaft to be more real, improves the reliability of data, enables the conclusion to be persuasive, and improves the safety.

The invention discloses a self-cooling cell phone support and belongs to the field of cell phone fittings. The self-cooling cell phone support comprises a support body, a supporting bar and a supporting pedestal, wherein a receiving groove for receiving a cell phone is arranged in the front side of the support body, a loop of water circulating channel encloses the receiving groove, a universal ball is hinged to the center of the back of the support body, one end of the supporting bar is fixedly connected with the universal ball, the other end of the supporting bar is hinged to the supporting pedestal, and the supporting bar is telescopic. A partition for separating the interior of the water circulating channel is arranged in the water circulating channel, and two sides of the partition respectively communicates with a water inlet and a water outlet. The water inlet communicates with a water storage barrel through a water inlet pipe, the water inlet pipe extends into the inner bottom of the water storage barrel, and an electric pump is arranged on the water inlet pipe. The water outlet is connected with one end of a water outlet pipe, and the other end of the water outlet pipe is placed 1-1.5m above the water storage barrel. The self-cooling cell phone support can be used conveniently under various environments.

An optical image capturing system, from an object side to an image side, comprises a first, second, third, fourth, fifth, and sixth lens elements. The first through fifth lens elements have refractive power and both of an object-side surface and an image-side surface of the fifth lens elements are aspheric. The sixth lens with negative refractive power may have a concave image-side surface. Both of the image-side surface and the object-side surface of the six lens elements are aspheric and at least one of the two surfaces has inflection points. Each of the six lens elements may have refractive power. When specific conditions are satisfied, the optical image capturing system can have a large aperture value and a better optical path adjusting ability to acquire better imaging quality.

A four-piece optical lens for capturing image and a four-piece optical module for capturing image are provided. In order from an object side to an image side, the optical lens along the optical axis includes a first lens with refractive power; a second lens with refractive power; a third lens with refractive power; and a fourth lens with positive refractive power; and at least one of the image-side surface and object-side surface of each of the four lens elements are aspheric. The optical lens can increase aperture value and improve the imagining quality for use in compact cameras.

The invention discloses an optical image capturing system which, along the optical axis in order from an object side to an image side, includes a first lens with positive refractive power having an object-side surface which can be convex; a second lens with refractive power; a third lens with refractive power; and a fourth lens which can have negative refractive power, wherein an image-side surface thereof can be concave, and at least one surface of the fourth lens has an inflection point; both surfaces of each of the fout lenses are aspheric. In the optical image capturing system, each of the first to fourth lenses has refractive power. The ptical image capturing system can increase aperture value and optical path adjusting capacity and improve imaging quality when specific conditions are met.

An optical imaging system includes a first lens, a second lens, a third lens, and a fourth lens in order from the object side to the image side. The first lens has positive refractive power and its object side can be a convex surface. The second lens to the third lens has refractive power, and both surfaces of the above lenses may be aspherical. The fourth lens may have negative refractive power, and the image-side surface of the fourth lens may be concave. The both surfaces of the fourth lens are aspherical, wherein at least one surface of the fourth lens has a reverse curvature. The lenses having refractive power in the optical imaging system are the first lens to the fourth lens. When the specific conditions are met, greater light receiving ability and better light adjustment ability can be realized to enhance the imaging quality.

The invention discloses a nose pad assembly and a head-mounted device. The nose pad assembly comprises a nose pad support, two pad blades and two stopping components, the nose pad support is providedwith two supporting parts which are connected at an angle, through clamping holes are formed in the supporting parts, and the two pad blades are arranged corresponding to the two supporting parts respectively. Each supporting blade comprises a supporting blade body and a rotating component arranged on the supporting blade body, each rotating component comprises a first end and a second end which are opposite, the first ends are arranged on the supporting blade bodies, the second ends penetrate out of the clamping holes and can rotate relative to the clamping holes, and the stopping componentsare connected to the second ends, located outside the clamping holes and used for preventing the second ends from being disengaged from the clamping holes. By adopting the nose pad assembly and the head-mounted device, the angle of the support blade relative to the support part can be effectively adjusted, so that the nose pad assembly and the head-mounted device can be suitable for nose bridges of different users, the applicability is higher, and meanwhile, the support stability of the nose pad assembly to the head-mounted device can be improved.

The invention discloses a ground conformal frame for agricultural tillage and sowing machinery, which includes a frame body, and the frame body includes two stabilizing frames, and a fixed frame is fixedly connected between the two stabilizing frames. The right side of the frame is fixedly connected with a cross bar, the inside of the cross bar is provided with a chute, the inside of the chute is slidably connected with a slider, and the bottom of the slider is fixedly connected with a telescopic cylinder, and the telescopic cylinder A sliding piece is slidably connected inside, and a spring is fixedly connected between the sliding piece and the inner wall of the telescopic cylinder. The present invention relates to the technical field. The ground conformal frame of the agricultural tillage and sowing machinery is equipped with arc rods, telescopic cylinders, springs, slides and push rods on the right side of the fixed frame and the stable frame, so that the connection mechanism can move with the pulley And the elastic floating is carried out, so that the connecting mechanism can effectively adjust the angle, keep the distance between the ground and the ground constant, and ensure the stability of the quality of plowing and sowing.

The invention discloses an optical imaging system, which comprises a first lens, a second lens, a third lens and a fourth lens in sequence from the object side to the image side. The first lens has positive refractive power, and its object side surface can be convex. The second lens to the third lens have refractive power, and both surfaces of the aforementioned lenses may be aspherical. The fourth lens may have negative refractive power, its image side may be concave, and both surfaces thereof are aspherical, wherein at least one surface of the fourth lens has an inflection point. The lenses with refractive power in the optical imaging system are the first lens to the fourth lens. When certain conditions are met, it can have greater light-receiving and better optical path adjustment capabilities to improve imaging quality.

A six-piece optical lens for capturing image and a six-piece optical module for capturing image are provided. In order from an object side to an image side, the optical lens along the optical axis includes a first lens with refractive power, a second lens with refractive power, a third lens with refractive power, a fourth lens with refractive power, a fifth lens with refractive power and a sixth lens with refractive power. At least one of the image-side surface and object-side surface of each of the six lens elements is aspheric. The optical lens can increase aperture value and improve the imagining quality for use in compact cameras.

The invention discloses an optical imaging system, which sequentially includes a first lens, a second lens, a third lens and a fourth lens from the object side to the image side. The first lens has positive refractive power, and its object side can be convex. The second lens to the third lens have refractive power, and both surfaces of the aforementioned lenses may be aspherical. The fourth lens can have negative refractive power, its image side can be concave, and both surfaces can be aspheric, wherein at least one surface of the fourth lens has an inflection point. The lenses with refractive power in the optical imaging system are the first lens to the fourth lens. When specific conditions are met, it can have greater light collection and better optical path adjustment capabilities to improve imaging quality.

The invention belongs to the technical field of perfume processing, particularly relates to an aging accelerating device for perfume processing, and aims at solving the problems that most of traditional perfume aging accelerating devices are simple in structure, and the action direction and range of an aging accelerating assembly are single and limited. The following scheme is put forward: the aging accelerating device comprises a base, an aging accelerating tank is fixed on the outer wall of the top of the base through bolts, mounting openings are formed in the two sides of the bottom end ofthe aging accelerating tank, elastic film bodies are fixedly mounted on the inner walls of the mounting openings, and supporting rods are horizontally welded to the circumferential inner wall, close to the top end, of the aging accelerating tank. According to the device, the toothed bar can be driven to move back and forth, the rotating rod is driven to rotate back and forth under the transmissionaction of the driven gear, and the first threaded end and the second threaded end which are opposite in thread direction are matched with the limiting action of the positioning column to drive the corresponding upper end plate and the corresponding lower end plate to move in the same direction and in the opposite directions at a fixed frequency; the arc-end convex block and the groove body are overlapped with each other, and effective stirring and mixing treatment of materials is achieved.