41results about How to "Guaranteed relative rotation" patented technology

The invention discloses a driving roller. The driving roller comprises an outer cylinder and an inner cylinder arranged inside the outer cylinder, a motor is fixedly arranged inside the inner cylinder, the output shaft of the motor sleeves with a first rotating piece, and the outer peripheral surface of the first rotating piece is fixedly connected with the inner wall of the outer cylinder in a sealing mode; and the other end of the inner cylinder is provided with a second connecting piece, and the inner cylinder and the outer cylinder are rotationally connected together through the second connecting piece, wherein the second connecting piece is hermetically connected with the inner cylinder and the outer cylinder correspondingly. The driving roller has the beneficial effects that the motor is fixedly arranged inside the inner cylinder in a sealing mode, so that the waterproof performance is good; the inner cylinder and the outer cylinder are enabled to be connected rotationally through the first connecting piece and the second connecting piece, the outer cylinder is sleeved with the shell with spiral blades, when the roller of the robot is in contact with the inner wall or the sludge of the pipeline, friction is carried out by rotating of a spiral roller to the inner wall of the pipeline or the sludge to drive the pipeline robot to move forward, so that the contact area is large, and slipping is avoided; and when the roller of the robot is suspended in water, the spiral roller is equivalent to a propeller, the spiral roller rotates to be drained away water backwards and drives the pipeline robot to move forwards.

The invention provides a movable revolving stage. Compared with a traditional stage, it saves time and labor to set up the movable revolving stage, the change space is larger and the adaptability to performances is high. The movable revolving stage can move horizontally or along a curve toward any direction and revolve by 360 degrees. According to requirements of users, the stage area can be preserved, the revolving angle can be preset, and therefore the customized moving and revolving effects of the stage can be achieved. The invention further provides a control method of the movable revolving stage. The control method is used for controlling changing and setting up of the stage, and operation is convenient and fast.

The invention relates to a washing machine with a spray-rinsing function. A gap between an inner drum and an outer drum is communicated with a water channel in an impeller through a connection water channel with a water pump, rinsing water between the inner drum and the outer drum flows through the connection water channel and the water channel in the impeller and then is sprayed into the inner drum through spraying holes formed in the surface of the impeller, and water columns ejected upwards are formed in the inner drum for rinsing clothes. Through the arrangement above, the water columns flushing upwards can be constantly formed in the inner drum, correspondingly the clothes are scoured, and the phenomenon that the clothes are wound due to reciprocating inverse rotation can be alleviated, so that damage caused by winding to the clothes is avoided. Meanwhile, since the clothes are constantly turned over during clothes washing, the contact areas between the clothes and the rinsing water are increased, friction is generated among the clothes, and the rinsing effect is effectively improved. Furthermore, the washing machine is simple in structure, remarkable in effect and suitable for popularization and application.

The invention relates to a rotation door which comprises a door frame, a driving device, door leaves, a ground net, a rotation mechanism, a cleaning brush, a door hood, a round rotation plate and a supporting frame. The door leaves are installed on the door frame in a rotation mode. The driving device drives the door leaves to rotate. The ground net is arranged at the bottoms of the door leaves. The rotation mechanism is located below the ground net. The rotation mechanism is fixedly connected with the bottoms of the door leaves. The cleaning brush is installed on the rotation mechanism and rotates together with the door leaves in a synchronous mode. A bristle brush is arranged on the cleaning brush and the tail end of the bristle brush penetrates through the ground net. The door hood is fixed to the door frame and the door hood is cylindrical and provided with two notches corresponding to the door leaves. The rotation plate is provided with a rotation shaft. The supporting frame is fixed to the door frame and located on the top of the door hood. The driving device is installed on the supporting frame and in drive connection with the rotation shaft of the rotation plate. The door leaves are two in number and arc. The top sides of the door leaves are fixedly connected with the edge of the rotation plate. The rotation door is used for driving the underground cleaning brush to rotate through the door leaves, and the soles of shoes are simply and conveniently cleaned as a person stamps on the ground net.

The invention achieves a thrust roller bearing structure with races that can increase the permissible level of eccentricity of a pair of members that rotate relative to each other as well as increase the amount of lubricating oil that is circulated therein, while securing the function of preventing the separation of a cage (3), a first thrust race (4a) and a second thrust race (5a). The external diameter of the external diameter side flange (8a) formed on the outer margin of a first thrust race (4a) is 60 mm - 120 mm, the internal diameter of the internal diameter side flange (11a) formed on the inner margin of an internal diameter side flange (5a) is 40 mm - 80 mm, and the internal space is 1 mm - 2 mm. Therefore, the external diameter side catch (9a) is formed intermittently in the circumferential direction on the leading edge of the external diameter side flange (8a).

The invention discloses a locking device which can be used for a vertically telescopic pipe of a bicycle handle bar. The locking device comprises a sleeving, an inserting tube, a ring bundling clamp and an eccentric locking handle, wherein an upper opening of the sleeving is provided with a guide groove in the axial direction of a wall body of the sleeving, the inserting tube is inserted into the sleeving, the ring bundling clamp is arranged on the outer circle of the upper opening of the sleeving in a sleeved mode, and the eccentric locking handle is connected at the opening end of the ring bundling clamp. The outer circular wall face of the inserting tube is provided with a plane structure in the axial direction, a limiting block is arranged on the inner circular wall face of the ring bundling clamp, the limiting block is provided with a limiting plane which faces towards the center of the ring bundling clamp, and the limiting plane is attached to the plane structure of the outer circular wall face of the inserting tube. The limiting block is connected with the inner circular wall face of the ring bundling clamp through a guide sheet, and the guide sheet is clamped in the guide groove of the sleeving. The limiting plane where the limiting block and the inserting tube are attached is arranged to be of a plane structure, and the relative rotation of the inserting tube can be effectively limited. The locking device of the telescopic pipe effectively overcomes the defect that connection is not reliable in the prior art.

The invention relates to a building-block multifunctional heat dissipation base of a notebook computer, comprising a heat dissipation plate, a fan module, fasteners, a USB power supply adapter, a USB concentrator, support bases and stay rods, wherein a raised skidproof stopper is arranged on the rear end of the heat dissipation plate, both ends of the heat dissipation plate are provided with rotation shafts, a heat dissipation grid plate is arranged in the heat dissipation plate, and stay rod slots are arranged below two side plates; the rear ends of the support bases are provided with rotation shaft holes, the outer side surfaces are fixedly connected with the USB concentrator, a group of arm brace holes is arranged in the inner side surfaces, and the fasteners are connected to the front ends ; the heat dissipation plate is movably connected with the support bases at two sides by inserting the rotating shafts at two sides into the rotating shaft hole of the support base, and is positioned and connected by the stay rods one ends of which are fixed in the arm brace holes of the support base and the other ends are supported the stay rod slots of the heat dissipation plate; and the heat dissipation grid plate of the reverse side of the heat dissipation plate can be detachably connected with the fan module. The invention is suitable for being assorted with the notebook computer of any type and size, preferably with the notebook computers of 10-15 inches. According to different requirements, different function modules can be configured, and various forms of combination are carried out.

The invention provides a tensioning and loosening device applied to a crawler assembly of a moving platform. The crawler assembly comprises a mounting frame, two rows of idler wheels, a driving wheel,a driven wheel, and crawlers; the two rows of idler wheels are arranged on the upper portion and the lower portion of the mounting frame and are mutually parallel; the driving wheel and the driven wheel are arranged at the two ends of the mounting frame; the crawlers are arranged on the idler wheels, the driving wheel and the driven wheel in a sleeving mode; the tensioning and loosening device comprises a swing arm rotatably connected with one end of the mounting frame, a sliding bearing seat arranged in the swing arm and capable of longitudinally sliding relative to the swing arm, and a locking seat arranged on the side face of the moving platform and matched with the swing arm; the driven wheel is connected with the sliding bearing seat through a transverse rotating shaft, and the swingarm can rotate between a plane parallel to the mounting frame and a plane perpendicular to the mounting frame; the swing arm is provided with a transverse locking screw matched with the locking seat;and the swing arm is internally provided with a longitudinal jackscrew which can be longitudinally extended and retracted for limiting the sliding range of the sliding bearing seat towards the innerside. According to the tensioning loosening device, work of tensioning, loosening, demounting and mounting of the crawlers is simplified, the design is simple, and operation is convenient.

The invention discloses a matched support frame of a squat toilet. The matched support frame mainly comprises a squat toilet, a support frame, a connecting rod and a fixed block, wherein the support frame is provided with the connecting rod, the connecting rod is connected with the fixed block by virtue of a connecting pin, the relative rotation of the connecting rod can be ensured, and the fixed block is arranged on a wall surface by using bolts. When the support frame is needed in use, the support frame is rotated to the waist of a user; and when the support frame is not needed, the support frame can be rotated upward and is pressed close to the wall surface.

The invention relates to a passive wireless inclination monitoring device based on a patch antenna. The device comprises a label and a reader, the label comprises a fixed assembly and a movable assembly, the movable assembly comprises a first dielectric plate and a first patch arranged on the first dielectric plate, and the fixed assembly comprises a second patch, a second dielectric plate, a microstrip feeder line, a chip and a ground plane. The second patch, the microstrip feeder line and the chip are sequentially connected and arranged on one side surface of the second dielectric plate, the ground plane is arranged on the other side surface of the second dielectric plate, the first patch and the second patch are in a sector ring shape, and the second patch and the second dielectric plate are concentrically arranged face to face. The first dielectric plate is rotatably arranged on the second dielectric plate around the circle center of the second patch, and the label is vertically arranged on a measured object. Compared with the prior art, the wireless passive detection is realized, the structure is simple, the installation is simple and convenient, the external interference is small, the service life is long, the cost is low, and the positioning is accurate.

The invention discloses an adjustable clearance type grinding device. The adjustable clearance type grinding device comprises a rack, a first roller, a second roller and supporting square blocks. The front end and the back end of the rack are respectively provided with two supporting square blocks, the front end and the back end of the first roller and the front end and the back end of the second roller are fixed to the supporting square blocks at the front end and the back end of the rack respectively, adjusting buttons are connected to the supporting square blocks, and the adjusting buttons are shifted to control the clearance between the first roller and the second roller by adjusting the clearances between the supporting square blocks. According to the mode, the adjustable clearance type grinding device is easier and more convenient to operate, more time and labor are saved, relative rotation of the two rollers can be ensured, and therefore it is ensured that the clearance between the rollers is adjustable. Different kinds of grinding precision of different materials can be ensured, the grinding efficiency is improved, and the grinding device has the better practical performance.

The invention discloses stirring equipment for production of non-dangerous chemicals. The stirring equipment comprises a box body, a box cover, a second rotating shaft, a connecting mechanism installed on the inner surface of the second rotating shaft, an adjusting mechanism installed at the bottom end of the box body, and a shielding mechanism installed on the outer surface of the box body. The connecting mechanism comprises a first rotating shaft, the first rotating shaft is fixedly connected to the bottom end surface of the second rotating shaft, and a second limiting plate is arranged on the outer surface of the top end of the second rotating shaft. The stirring equipment has the beneficial effects as follows: a clamping block mounted on the outer surface of the first rotating shaft and a pressing head connected with the clamping block are designed, and the clamping block can be easily clamped by the pressing head; a pressing ring connected with the outer surface of the pressing head is designed, and the pressing head can be easily clamped into the clamping block; a second sliding rail connected with a sliding groove in the inner surface of the pressing ring is designed, and itis guaranteed that the pressing ring does not rotate; a second rotating block in threaded connection with the pressing ring is designed, and sliding of the pressing ring is facilitated; and a secondlimiting plate located at the top end of the inner surface of the second rotating block is designed, and the position of the second rotating block can be easily fixed.