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33results about How to "Shortened front and rear length" patented technology

Combined lens composed of lens and reflecting mirror, and automobile lamp module for combined lens

The invention relates to a combined lens composed of a lens and a reflecting mirror. The combined lens composed of the lens and the reflecting mirror at least comprises one lens and one reflecting mirror. From a reverse light path, parallel light is subjected to twice of refraction of an incident face and an exit face of the lens, and converges at one point after being subjected to once of reflecting of the reflecting mirror, and the point is the focal point of the combined lens; the distance between the lens and the reflecting mirror is smaller than the focal distance of the lens; the lens can be a convex lens or a concave lens; the reflecting mirror can be a convex mirror, a plane mirror or a concave mirror; and meanwhile, for the traditional lens, the position of the focal point is controlled through two optical faces including the incident face and the exit face, under the condition with the same focal length, the thickness of the common lens is relatively large, and in addition, the direction of optical axis is generally the center line of the lens. For the combined lens, the focal length of the combined lens is determined at least through the incident face and the exit face of the lens and the reflecting face of the reflecting mirror, so that the thickness of the lens can be reduced, and the position of the focal point and the direction of the optical axis also can be flexibly set.
Owner:HASCO VISION TECHNOLOGY CO LTD

Swing arm of thin seam mining machine

PendingCN114382479AShorten the left and right lengthSimple structureSlitting machinesCutting machinesGear wheelElectric machinery
The invention relates to a swing arm of a thin seam mining machine, which comprises a swing arm shell, the main body of the swing arm shell is an arm frame extending left and right, a cutting transmission mechanism is arranged in the arm frame, and the ends of an input end gear and an output end gear of the cutting transmission mechanism are respectively used as the high-speed end and the low-speed end of the arm frame. A connecting arm overhanging forwards from the arm frame is arranged in the middle of the arm frame, a front arm and a rear arm overhanging leftwards or rightwards from the connecting arm are arranged on the connecting arm, and the high-speed end of the front arm, the high-speed end of the rear arm and the high-speed end of the arm frame are parallel to one another and are sequentially arranged at intervals from front to back. The front arm and the rear arm are respectively provided with a front pin shaft mounting hole and a rear pin shaft mounting hole which are used for mounting the cutting motor as a pin shaft; and the front pin shaft mounting hole and the rear pin shaft mounting hole are coaxial with an input end gear of the cutting transmission mechanism. According to the invention, a larger mining range can be provided, the machine body can be shortened, and the gravity center of the coal mining machine can be improved.
Owner:SHANGHAI TIANDI MINING EQUIP TECH CO LTD +2

Zigzag sewing machine

The invention relates to a zigzag sewing machine. The zigzag sewing machine is provided with a lower pipe seat, a lower shaft, a transmission mechanism and a rotating shuttle, wherein the lower shaftis connected to the transmission mechanism and rotates in the lower pipe seat with the X-axis direction as the axis, the lower shaft can drive an outer kettle of a rotating shuttle to rotate with theY-axis direction as the axis through the transmission mechanism, and the transmission mechanism is provided with a rotating shuttle seat, a bearing and a transmission part; the rotating shuttle seat is arranged in the Y-axis direction of the outer kettle and form a penetrating part arranged in the outer kettle, an accommodating space is formed between the penetrating part and the outer kettle, thebearing is positioned in the accommodating space, the transmission piece is connected to the outer part of the outer kettle, and the transmission piece, the bearing and the penetrating part are sequentially arranged from the outer part of the inner kettle to the inner part of the outer kettle; the end part volume of the lower pipe seat can be reduced along the Y direction through the assembling state of the rotating shuttle seat, the bearing, the outer kettle and the transmission part, so that the zigzag sewing machine can perform sewing operation of welt edge covering on shoes with smaller sizes.
Owner:CHEE SIANG IND CO LTD +1

Exercise and fitness equipment

The invention relates to exercise and fitness equipment comprising a skeleton, a rewinding mechanism which is arranged on the skeleton and provided with two rewinding connection points capable of moving on a circular track respectively, two connection rods, a guiding mechanism and two pedals; wherein each connection rod is respectively provided with a first connection part, a second connection part and a reciprocating part; the first connection parts of the two connection rods are respectively articulated with the two rewinding connection points of the rewinding mechanism; the reciprocating parts and the second connection parts of the connection parts are lower than the first connection parts; the guiding mechanism is arranged on the skeleton and guides the reciprocating parts of the connection rods to move on a reciprocating track so that the second connection parts are correspondingly limited to move on a closed track; and the reciprocating track has a front retracing point and a rear retracing point which are opposite, and the front retracing point is lower than the bottommost end of the circular track. Because the front retracing point of the reciprocating track is positioned below the circular track, the lengths of the reciprocating track and the closed track are obviously greater than the diameter of the circular track, thus the whole exercise and fitness equipment is shorter, and the occupied indoor space and floor area is reduced.
Owner:JOHNSON HEALTH TECH

Adjustable sport bicycle

The invention relates to an adjustable sport bicycle. The adjustable sport bicycle comprises a fixed support, a chair, a movable support, a locking device, a pedal device and an auxiliary device. The chair is arranged on the fixed support. The movable support swings between a first angle and a second angle relative to the fixed support. The locking device is used for locking the angle of the movable support. The pedal device is pivoted to the movable support around a rotating shaft; when being located at the first angle, the movable support is located at the first position around the rotating shaft; when being located at the second angle, the movable support is located at the second position around the rotating shaft; and the distance between the first position and the chair is smaller than the distance between the second position and the chair. The auxiliary device exerts force to the movable support to generate first moment with a pivoting shaft as the axis. The movable support and the total weight on the movable support generate second moment with the pivoting shaft as the axis. Resultant moment of the first moment and the second moment is third moment; and the third moment enables the movable support to swing towards the first angle. In addition, a user can exert force to the pedal device to enable the movable support to swing towards the second angle.
Owner:乔山健康科技(上海)有限公司

Convective microwave oven

The invention provides a convection microwave oven, which includes a shell with a top and two sides, a rear panel with a plurality of through holes and a furnace body composed of a front panel, and a convection box on the rear panel. There are through holes on the top of the convection box, and multiple suction holes are set on the rear panel of the convection box; the convection box motor, convection fan and convection heating arranged around the convection box are fixed on the position of the suction holes in the space of the convection box. The convection box motor is arranged in the inner space of the convection box through the motor guide device; the convection box motor is a double-axis motor, and a convection fan is arranged on its front shaft, and a cooling fan for the convection box motor is provided on its rear side shaft. Functional blower fan. The beneficial effect is that the convection microwave oven does not need to be equipped with a box cover, which saves the manufacturing cost of the box cover and saves the installation process of the box cover. Second, since the convection microwave oven does not have a lid, the front and rear lengths can be shortened. Due to its perfect heat dissipation settings, damage to components caused by overheating can be avoided.
Owner:LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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