12results about How to "Reduce assembly tolerances" patented technology

The invention discloses an imaging lens group and a camera module, and the imaging lens group comprises a diaphragm, and sequentially comprises a first lens, a second lens, a third lens, a fourth lens and a fifth lens from an object side to an image side. A second lens element; a third lens element; a fourth lens element; a fifth lens element; and a sixth lens element. Wherein the refractive index of the third lens is nd3, the thickness of the third lens on the optical axis is CT3, the incident pupil diameter of the imaging lens group is EPD, and the following condition is satisfied: (nd3 * CT3) / EPD is more than 2.64 and less than 4.55.

The utility model discloses a single battery which comprises a battery shell, and the battery shell is provided with a battery cell large surface, a battery cell side surface and a battery cell bottom surface; the insulating film is provided with a film body large face, a film body side face and a film body bottom face, the film body large face is attached to the battery cell large face, the film body bottom face is attached to the battery cell bottom face, the film body side face is attached to the battery cell side face, the film body side face covers at least part of the battery cell side face, and a film body adjacent face is defined by the film body bottom face and the film body side face; a cutting line is arranged on the adjacent surface of the film body from one side edge far away from the bottom surface of the film body to the bottom surface of the film body, so that the adjacent surface of the film body can be folded to the side surface of the cell, and a gap area is formed between the side surface of the film body and the adjacent surface of the film body; the sealing film at least covers the gap area, the sealing film is arranged on the insulating film in a stacked mode, and the number of layers of the sealing film is not more than three. Meanwhile, the utility model further discloses a battery pack applying the single battery, and the problem that the layer difference of coating films on the same side wall of an existing shell is too large is solved.

The utility model discloses a car lamp lens module, including radiator, light source board, lens support and be located in the lens support's lens structure, the light source board is located on the radiator, and the lens structure sets up correspondingly the light source on the light source board, the lens structure is three piece type lens structure, and three piece type lens structure includes three lenses that set up in order along the light path, and one of them is double cemented lens. The car lamp lens module structure design is reasonable, and it adopts three piece type lens module structure, and one glass lens adopts double cemented lens, so that can realize four piece type lens module's optical effect, can also improve optical utilization rate, and simultaneously because has reduced the lens quantity more easily to assemble, has reduced the assembly tolerance, has improved the production consistency.

The utility model relates to the field of optics, in particular to the field of automobile illumination, in particular to an optical structure and an automobile lamp, and the optical structure comprises a primary optical unit, a secondary optical unit, a secondary optical unit and a light source, a first imaging unit having a refractive function; the second imaging unit is used for receiving light refracted by the first imaging unit and reflecting the light, and the focus of the second imaging unit in the plane B coincides with the focus of the first imaging unit in the plane A; wherein the plane A is perpendicular to the plane B, the plane A is a collimation plane of the first imaging unit, the plane B is a collimation plane of the second imaging unit, and at least two of the first imaging unit, the second imaging unit and the primary optical unit are integrally formed. The vehicle lamp comprises the optical structure. The primary optical unit, the first imaging unit and the second imaging unit are integrally formed, so that the assembly tolerance is reduced, and the stability of the optical performance is improved.

The utility model discloses a guide rail type focusing device, and relates to the technical field of guide rail type focusing. The guide rail type focusing device comprises a transmission gear, a fixing support, an image sensor and a stepping motor. The transmission gear is in sliding connection with the fixing support, the image sensor is arranged on the fixing support, a spring is further arranged between the image sensor and the fixing support, a driving gear is arranged at the output end of the stepping motor, and the driving gear is connected with the transmission gear in a meshed mode. According to the guide rail type focusing device provided by the utility model, the image sensor is arranged on the fixed bracket, and the fixed bracket performs lifting motion so as to achieve the purpose of focusing. In addition, a guide rail mode formed by the transmission gear and the fixing support enables a guide rail inclined groove and an inclined bone position to be in surface-to-surface contact so as to achieve the purposes of stability and zero clearance, assembly tolerance is reduced, focusing precision is improved, high-speed snapshot is achieved, meanwhile, the whole image is clear and balanced, and the problem that one side of the image is clear and the other side of the image is blurred is solved.

The utility model provides an integrated coupling lens which comprises a lens base body, the lens base body is provided with a light inlet face and a light outlet face, the light inlet face is provided with a plurality of spherical lenses arranged in an array mode, the lens base body is further provided with a reflecting face, the reflecting face is used for receiving light paths from all the spherical lenses and conducting total reflection on the light paths, and the reflecting face is used for reflecting the light paths from all the spherical lenses. The light-emitting surface is provided with a refraction plane used for refracting all paths of light which is totally reflected. The integrated coupling lens integrates an array lens and a reflecting prism on a traditional light path, a lens base body can be designed to be of a square structure, the side vertical angle of the lens base body is controllable, the assembling angle and the assembling position are easy to strictly control, meanwhile, the distance precision from a spherical lens of an array to a reflecting surface can be determined by means of an injection molding technology, and the precision of the distance between the spherical lens and the reflecting surface is improved. The problems that limiting from a traditional array silicon lens to a reflecting prism is difficult and the assembling tolerance of the reflecting prism is large are solved, the assembling technological process is greatly simplified, the assembling tolerance is reduced, and the manufacturing efficiency is improved.

A laser radar compensation alignment device and a laser radar relate to the technical field of optical design. The laser radar compensation alignment device comprises a receiving optical element, a first light beam displacement element and a second light beam displacement element which are sequentially arranged from an object side to an image side, and the receiving optical element is used for receiving an initial light beam which is emitted to a target object by a laser radar and carries target object information reflection. The initial light beam is refracted by the first light beam displacement element to be emitted as first emergent light; the first emergent light is refracted by the second light beam displacement element to form second emergent light, and the included angle between the main optical axis of the second emergent light and the target object direction is smaller than the included angle between the main optical axis of the initial light beam and the target object direction. The device is provided with a plurality of light beam displacement elements which are simple in structure and convenient to install, is moderate in sensitivity, is higher in precision, is good in stability, can greatly reduce the assembly tolerance which needs to be followed by a receiving focusing or beam splitting element of the laser radar, and improves the detection performance of the laser radar.

The utility model provides a board end connector, a connector assembly, electronic equipment, a battery pack and a vehicle. The board end connector comprises a connector main body and a switching connecting piece. The connector main body is suitable for being connected with a wire end connector. The adapter connector is configured to connect the connector body and a panel to be installed. The switching connecting piece is provided with a first connecting part suitable for being connected with a to-be-installed panel and a second connecting part suitable for being connected with the connector body. According to the utility model, the assembly tolerance between the connector main body and the installation panel when the connector main body is installed on the circuit board can be effectively absorbed.

The invention provides a camera module, a multi-camera module, an assembling method and electronic equipment thereof, the camera module comprises a shell, the shell comprises a shell and a support which are integrally formed, and the support is provided with at least two support parts which are integrally formed; and a camera module semi-finished product, wherein the camera module semi-finished product is installed in the shell. Wherein at least one support part and the shell are integrally formed, a covering space located on at least part of the peripheral side of the camera module semi-finished product is formed, and the other at least one support part defines an installation space used for installing the other at least one camera module semi-finished product. According to the invention, the shell and the at least two support parts which are integrally formed are arranged, the installation space is provided for the other camera module semi-finished product while one camera module semi-finished product is covered and installed, and the positioning of the multi-camera module on the electronic equipment can be realized by positioning the position of one support part on the support on the electronic equipment; the positioning process of another camera module is saved, the assembly cost is reduced, and the assembly tolerance is reduced.

The application relates to the technical field of diffusion plates, in particular to an efficient light diffusion plate of a direct backlight module and a preparation process thereof, which comprises a diffusion plate body, the outer side of the diffusion plate body is provided with a guard element, the outer ring surface of the guard element is embedded with elastic clamping pieces, and the four male corners of the elastic clamping pieces are embedded with mounting pieces. The plastic frame can effectively absorb external impact force, prevent the diffusion plate from being broken or deformed due to collision in the transportation, installation or use process, can close the side wall of the diffusion plate body, prevent moisture, dust or chemical substances from penetrating from the edge, avoid the internal material of the diffusion plate from being degraded due to environmental factors, and prolong the service life.

The invention discloses a movable nut box and an automobile, and relates to the technical field of nut boxes, the movable nut box comprises a fixed seat, the fixed seat is provided with a sliding groove, and the middle of the sliding groove is provided with a first adjusting hole; the sliding piece is in sliding connection with the sliding groove, and a mounting groove is formed in the sliding piece; the nut is fixed in the mounting groove, and the height of the portion, protruding out of the movable plate, of the nut does not exceed the height of the side wall of the sliding groove; the nut is arranged above the first adjusting hole; the adjusting assembly comprises an expansion box and an adjusting unit, a mounting cavity is formed in the expansion box, the fixing seat is arranged in the expansion box, the adjusting unit is arranged between the fixing seat and the mounting cavity, and the distance between the fixing seat and the expansion box is adjusted through the adjusting unit so as to adjust the overall thickness of the nut box; and the fixing assembly is connected with the fixing base and the expansion box, and the nut box is fixed to different installation positions of the vehicle through the fixing assembly.