31results about How to "Shorten the dimensional chain" patented technology

The invention discloses a flashlight component and electronic equipment. The flashlight component comprises a rear shell component, a flashlight, a flashlight shade and a flashlight circuit board, the flashlight shade is fixed on the rear shell component, the flashlight is fixed on the flashlight circuit board, and the flashlight circuit board is fixed on the rear shell component and in electric contact with a main circuit board. Through fixing the flashlight shade on the rear shell component, fixing the flashlight on the flashlight circuit board, fixing the flashlight circuit board on the rear shell component and enabling the flashlight circuit board to electrically contact with the main circuit board, the flashlight and flashlight shade assembly dimension chain is shortened, the assembly precision thereof is improved, and the deviation phenomenon is avoided.

The invention provides a travelling mechanism of a wall-climbing robot. The travelling mechanism is characterized by comprising a plurality of suction foot modules and travelling transmission devices; the travelling transmission devices comprise two closed-loop arc-shaped guide rails, rectangular thread lead screws, guide sliding blocks and transmission rollers, wherein the two closed-loop arc-shaped guide rails are arranged symmetrically relative to the central point, and the transmission rollers are arranged at the front ends of the traveling transmission devices and matched with threads on the rectangular thread lead screws; each suction foot module is fixedly connected with the corresponding guide sliding bock; and every two adjacent guide sliding blocks are mutually hinged, the guide sliding blocks are uniformly distributed on the closed-loop arc-shaped sliding rails, and each guide sliding block is slidably connected with the corresponding closed-loop arc-shaped guide rail. Compared with the prior art, the travelling mechanism of the wall-climbing robot can travel and operate on a smooth work face, can further adapt to work faces with bulge obstacles and large cracks and has good obstacle crossing capacity.

The invention discloses a side suction-type range hood. The side suction-type range hood comprises a housing and a panel assembly arranged at the front side of the housing; the panel assembly includesa panel and a smoke barrier arranged on the panel. The side suction-type range hood is characterized in that the panel includes a first fixing portion arranged at the top part and bent backwards, anda second fixing portion arranged at the bottom part and bent backwards; and the first fixing portion and the second fixing portion are both connected with and fixed to the housing. The invention further discloses a gap adjusting method of the side suction-type range hood. Compared with the prior art, the side suction-type range hood has the advantages that gaps at upper and lower connection positions of the panel assembly and the housing can be effectively controlled by forming the fixing portions, fixed to the housing, at the top part and the bottom part of the panel respectively by bending;gaps at left and right connection positions of the panel assembly and the housing can be effectively controlled by installing sliding fasteners and foam strips, fitting in with a left side plate anda right side plate of the housing, at the left side and the right side of the panel.

The invention discloses a front partition plate lower mounting plate and cross beam assembly, which comprises a front partition plate lower mounting plate and a cross beam. The front partition plate lower mounting plate comprises a partition plate horizontal wall, a first vertical wall and a second vertical wall; the first vertical wall and the second vertical wall horizontally extend upwards to be fixed to the front side and the rear side of the partition plate horizontal wall correspondingly; and the cross beam is horizontally fixed to the front side of the upper surface of the partition plate horizontal wall, and a front hoarding is fixed to the rear end of the second vertical wall. According to the front partition plate lower mounting plate and cross beam assembly, the overall rigidityof a front partition plate lower mounting part is effectively improved, the overall torsional rigidity of an engine cabin is increased, thus the overall torsional rigidity of an engine in the Y direction is increased to from 15415 Nm to 16503 Nm, and the torsional rigidity is increased by about 7%.

The invention discloses a driving device, a transmission device and a power tool for linear motion. The driving device comprises a power source, an actuator and a transmission part driven by the powersource to reciprocate linearly, the transmission part comprises an input part, a support part and an output part, a first sliding groove is formed in one of the input part and the support part, a shaft hole is formed in the other one of the input part and the support part, a second sliding groove or a circular hole is formed in the position of the output part, a driving shaft driven by the powersource to reciprocate linearly is arranged in one of the first sliding groove and the shaft hole, a fixed support shaft is arranged in the other one of the first sliding groove and the shaft hole, a driven shaft connected with the actuator is arranged in the second sliding groove or the circular hole, and all shafts are parallel to each other. According to the scheme, when the power source drivesthe transmission part, the shafts can move in the first sliding groove, so that the rotation of the transmission part is not restricted, the second sliding groove always exerts downward pressure or upward lifting force on an output shaft, the impact on the actuator can be reduced, the vibration of the actuator is reduced, and the impact strength is increased.

The invention discloses a mounting nut plate for an automobile door hinge comprising a mounting nut plate body which is an L-shaped bending plate, a hinge mounting plate and a rotation supporting and position-fixing plate, wherein two hinge mounting nut holes with projection welding nuts are arranged on the hinge mounting plate; and the rotation supporting and position-fixing plate is provided with a rotation supporting and position-fixing hole. The invention also discloses a mounting structure of the mounting nut plate for the automobile door hinge. The mounting nut plate for the automobile door hinge and the mounting structure thereof can improve the accuracy of a relative position between the rotation supporting and an automobile body.

The invention relates to a camera device with at least two lenses. The camera device comprises at least two lens modules 3, a front shell 1, a rear shell 2 and a fastening mechanism, the front shell 1 is provided with one or more through holes 6 or 6', at least one of the through holes 6 or 6' is a long-strip-shaped through hole 6', the lens module 3 comprises a lens module 15, a sensor plate 10 and a printed circuit board 11 connected with the sensor plate 10, the lens module 15 comprises a lens barrel 7, the sensor plate 10 is fixedly connected to the lens barrel 7, and the fastening mechanism is used for fixing the lens module 15 penetrating through the through hole 6 or 6' to the front shell 1. The camera device with at least two lenses has high stability and high reliability, the distance between the lenses of the at least two lens modules 3 can be conveniently adjusted, and each lens module 3 can conveniently rotate around the optical axis of the corresponding lens barrel.

The invention provides a car headlamp mounting structure and a car, and relates to the technical field of cars. The car headlamp mounting structure comprises wings, a mounting support assembling toolwith two ends fixedly connected with the wings, and a mounting support fixedly connected with the mounting support assembling tool and used for mounting a headlamp and a front guard, wherein the headlamp and the front guard are fixedly connected with the wings and the mounting support. The technical problem that in the prior art, the car headlamp and the front guar are mounted on a front end module, and have the large fluctuation due to car body influence can be solved.

The invention relates to a camera device with at least two lenses, the camera device comprising at least two lens modules 3, a front housing 1 having a through-hole 6, a rear housing 2 and a fastening mechanism. Each lens modules 3 comprises a lens module 15, a sensor plate 10 and a printed circuit board 11 connected to the sensor plate 10, each lens module 15 comprises a lens barrel 7, the sensor plate 10 is fixedly connected to the lens barrel 7, and the fastening mechanism is used for fixing the lens module 15 penetrating through the through hole 6 to the front housing 1. The camera device with at least two lenses has high stability and high reliability, and each lens module 3 can conveniently rotate around the optical axis of the corresponding lens barrel.

The invention discloses an upper cover assembly used for a cooking utensil and the cooking utensil with the upper cover assembly. The upper cover assembly comprises an inner cover, a face cover, a face plate and a display box, wherein the face cover is arranged above the inner cover in a covering manner, and an opening is formed in the top face of the face cover; the face plate is arranged at theinner side of the face cover and closes the opening; and the display box is in clamping connection with the face plate, at least one part of the display box is positioned below the face plate, and thedisplay box is suitable for upwards displaying information towards the face plate. According to the upper cover assembly used for the cooking utensil provided by the invention, the display box is mounted on the face plate, so that the dimension chain between the face plate and the display box can be shortened, then the noncoincidence of the display box and a silk printing lamp hole in the face plate is avoided, and thus the assembly quality is improved.

The invention relates to an ABS induction mode structure of an automobile drive rear axle. An ABS sensor fixing structure comprises a half shaft sleeve, a flange plate, an ABS sensor and a support. The ABS sensor is fixed to the flange plate through the support. One end of the flange plate is in a butterfly shape and the other end of the flange plate is tubular; the inner diameter of the flange plate is larger than that of the half shaft sleeve; and the flange plate is welded to the half shaft sleeve; a groove and a circular hole are formed in the flange plate and correspond to the ABS sensorand the support. An ABS gear ring fixing structure comprises a brake disc, an ABS gear ring, a brake chassis bolt, a hub, a half shaft and a half shaft bolt. The ABS gear ring is fixed on the hub through the brake disc, the hub is fixedly connected with the half shaft through the half shaft bolt, the ABS gear ring is cylindrical, one end of the ABS gear ring is provided with a flange surface and aseam allowance; the brake disc is in an I shaped and annular, one end of the brake disc is provided with an inner seam allowance and a threaded hole, and the ABS gear ring and the brake disc are located by seam allowance fitting; and ; the other end of the brake disc is provided with a seam allowance in positioning connection with the hub. The air gap is easy to control, signals are stable, and the controllability of the automobile braking process is improved.

The invention relates to a medical endoscope optical parfocal lens. According to the technical scheme, the medical endoscope optical parfocal lens is characterized in that the medical endoscope optical parfocal lens comprises a cam groove sleeve, a focusing lens group assembled in the cam groove sleeve, a fixed base rotationally assembled in the cam groove sleeve, a fixed lens assembled in the fixed base, a plurality of zoom lens assemblies assembled in the fixed base, a focusing driving assembly assembled on the cam groove sleeve and used for driving the focusing lens group to move along theoptical axis; and a zoom driving assembly assembled on the cam groove sleeve, used for driving the plurality of zoom lens assemblies to move along the optical axis, and synchronously rotating around the optical axis with the fixed lens in the fixed base. Therefore, the coaxiality, the inclination and the axial positioning precision between the zoom lens assembly and the fixed lens are improved, and the problems of image bounce and image blurring caused by position errors between the zoom lens assembly and the fixed lens assembly in the zoom process are effectively solved.

The invention relates mainly to a heat engine starter for a motor vehicle, comprising: a planetary-type speed reduction gear mounted between the rotor shaft and the drive shaft; and a base plate (106)having a plastic-material portion comprising abutment portions (120), wherein the ring gear (102) has tabs (121) at its outer periphery and damping pads (122) are mounted between said tabs (121) andsaid abutment portions (120), characterized in that each damping pad (122) has at least one rounded corner (145) on the side of a projecting edge (146) of a corresponding tab (121) of said ring gear (102), which rounded corner is rounded along a radius of curvature located in a plane containing all the corners of said damping pad (122) such that a space is provided between said rounded corner (145) and a right-angled corner defined by the intersection of planes passing through side faces joined by this rounded corner (145).