32results about How to "Easy fastening" patented technology

A fastening construction, in particular for a wing mirror unit of a motor vehicle, comprising a base part (1) which can be fixedly connected with a vehicle, and a rotation part (3) which is arranged to be coupled with the base part (1) and which in coupled condition constitutes a central shaft for pivotally bearing-mounting a wing mirror unit. The base part (1) and the rotation part (3) are provided with at least one projection and groove pair (19, 20) cooperating as a bayonet catch, such that the rotation part (3) can be displaced towards the base part (1) and that when the projection and groove pair are in engagement, the rotation part (3) is pivotable about the geometric axis (2), and, after passing an intermediate angular position (13), through cooperation of the projection and groove pair (19, 20), the rotation part (3) is locked relative to the base part (1), axially along the geometric axis (2). The rotation part (3) and the base part (1) are further provided with blocking means (4, 6) which in a second angular position (5b) restrain the rotation part (3) from rotation relative to the base part (1) about the geometric axis (2).

A screw member, a fastening structure, and a connection structure for a solar panel float which can facilitate the fastening operation performed by a screw. A pair of screw members is provided with a male screw member and a female screw member. One of the male screw member and the female screw member has a body portion at least partly inserted into a through-hole provided in an object to be fastened, and a temporary fixing portion provided adjacent to an end of the body portion and locked in the object to be fastened so as to prevent the body portion from deviating from the through-hole during a fastening operation.

The invention belongs to the technical field of production of sanitary articles, and provides a paper diaper tension detection device. The paper diaper tension detection device is characterized in that a convex carrying table is arranged on a worktable; a first tension mechanism and a second tensile mechanism are symmetrically arranged at both sides of the carrying table; the second tension mechanism is glidingly connected with the worktable, and comprises a second fixed rod; a slide block is arranged at the bottom end of the second fixed rod; a slide passage is arranged on the worktable and is matched with the slide block; the slide passage is provided with scales; a fixed part is arranged on the second fixed rod and is matched with the worktable; the top end of the second fixed rod is glidingly connected with a second tension rod; a second clamp is arranged at one end, near the first tension mechanism, of the second tension rod, and is matched with a first clamp, and the other end of the second tension rod is connected with a power mechanism. The paper diaper tension detection device has the advantages that the diaper tension detection device is suitable for paper diapers of different sizes, and the tension of the diaper can be detected; the structure is simple, the operation is convenient, and the convenience in use is improved.

The invention provides an open-type transformer three-dimensional wound iron core. The gist of the invention is that it consists of three identical core frames made of silicon steel sheets, and each core frame is surrounded by an upper half frame and a lower half frame to form six Composed of border frames; the upper half frame has two left and right upper half frame chamfered edges, the lower half frame has left and right lower half frame chamfered edges, and the silicon steel sheets on the same side of the upper and lower half frames are staggered Arrangement, the silicon steel sheets of the two chamfered sides on the same side are inserted together to form the chamfered side of the iron core frame, and each layer of silicon steel sheets is connected at the bend of the silicon steel sheets. The positive effect of the invention is that the position of the joint of the iron core is completely outside the coil, and the position of the joint can be tightened very conveniently after being inserted into the coil, which is very beneficial to reducing the noise and loss of the transformer. If a fault occurs, the upper half frame of the iron core can be removed conveniently and the coil can be pulled out for maintenance.

A method for arranging and installing the anchor bolts of a marine diesel engine on a test bench, comprising the steps of: 1) installing several general-purpose test iron benches on the test bench; 2) arranging the anchor bolts of the marine diesel engine according to the shafting arrangement and model of the marine diesel engine 3) Seat the marine diesel engine on the test iron bench and correct the level; 4) Install and use pneumatic tools to fasten the anchor bolts of the marine diesel engine; When all the fastening torques sampled and checked all meet the requirements, the arrangement and installation of the anchor bolts of the marine diesel engine on the test bench is completed. The invention solves the problem of complex and difficult arrangement of anchor bolts of marine diesel engines, improves labor production efficiency, reduces labor intensity of operation, improves the safety of operators, and at the same time ensures the reliability of anchor bolt connection of diesel engines, and is applicable to It is suitable for various types of marine low-speed diesel engines, and meets the requirements for the arrangement and installation of anchor bolts for the diesel engine platform test run.

An air cleaner (AC) of an engine, wherein the skirt wall (11a) of an upper cover body (11) near a suction port (50) is extended to the lower side of the suction port (50) to prevent rain drips flowing down the outer surface of a cleaner cover body (10) from being sucked into the air cleaner through the suction port (50). A seal packing (68) and a cleaner element unit (Ue) are stackingly fitted tothe outer periphery of a suction passage (17) in the cleaner cover body (10), and a locking projection (75) tightly engaged with the suction passage (17) is formed on the seal packing (68) to preventthe seal packing (68) from falling down when the cleaner element unit (Ue) is replaced. Furthermore, the air cleaner (AC) is disposed on one side of the engine (E) parallel with each other, the lowerpart of the cleaner cover body (10) is integrally joined to and supported on the engine (E) together with a carburetor (4) with a pair of connection bolts (22, 23). The reinforcement vertical wall part (37) of the cleaner cover body (10) facing the engine (E) through a clearance is integrally joined to and supported on the engine (E) with the other one connection bolt (24). Thus, the supporting rigidity of the air cleaner for supporting the air cleaner on the engine (E) can be increased.

The invention discloses a fixing device for power equipment transportation. The fixing device for power equipment transportation comprises a moving wheel, a supporting plate and a bottom plate; the moving plate is arranged at the bottom of the bottom plate; damping elastic sheets and a damping device are arranged at the top of the bottom plate; the damping elastic sheets are arranged at the two ends of the bottom plate; one end of each damping elastic sheet is connected with the supporting plate and the other end of each damping elastic sheet is connected with the bottom plate; a sliding rod,a reset spring, a sleeve and a hydraulic lifter are arranged in the supporting plate; and buffer devices are arranged on the two sides of the supporting plate. Power equipment can be clamped for twice, so the fixing effect is greatly improved through mechanical preliminary clamping and positioning and manual fixation; furthermore, the device can be damped, so damage to the power equipment by too large vibration is avoided, an impact force generated by that the fixing device slides in the transportation process and collides with an object can be eliminated, and the safety of the power equipmentis guaranteed maximally.

The invention provides a connecting device for an electric flange plate and an operation method thereof, and belongs to the technical field of transformer oil filling and draining valve flange plate sealing connection. The connecting device for the electric flange plate comprises a transformer oil filling and draining pipe, an oil pipe self-sealed connector, a transformer oil filling and draining valve flange, an oil pipe connector flange, a sealing gasket, a chuck, clamping buckles and electric pushing rods. The sealing gasket is arranged between the oil pipe connector flange and the transformer oil filling and draining valve flange. The electric pushing rods are arranged outside the oil pipe self-sealed connector which is sleeved with the chuck. One end of the chuck is connected with the electric pushing rods, and the other end of the chuck is connected with the multiple clamping buckles through hinges. The connecting device for the electric flange plate is safe and reliable and can be applied to oil filling and draining operation of all transformer oil outlet sizes, the time for sealing and connecting of transformer flange plates is greatly shortened, operation is fast and convenient, the working intensity of maintenance personnel is relieved, the working efficiency is improved, and meanwhile the maintenance frequency is greatly decreased.

The invention discloses an automatic detection device of a wrapping tape laminated belt. The automatic detection device comprises a support, wherein frame blocks are arranged at two sides of the top of the support, a tape placement disc is arranged at one side of the top of each frame block, a tape receiving disc is arranged at the other side of the top of each frame block, a first turning rolleris arranged at one side of each of the tape placement disc and the tape receiving disc, a rubber ring is arranged between the tape receiving disc and the frame rack, a rotation rod is arranged at an outer side of the tape placement disc, and a press plate is arranged at the top of the rotation rod. By arranging a lifting rack, a wrapping tape is favorably fastened, so that the wrapping tape is convenient to check, the tape placement disc and the tape receiving tape are needed to be assembled during detection of the wrapping tape, a fastening screw rod is loosen, the press is rotated by takinga bearing as an axis, the rotation rod is placed at the top o the rubber ring, the press plate is fastened at the tops of the frame blocks by the fastening screw rod, so that the tape placement disc is stabilized, and a frame of the tape receiving disc is fixed by matching of a convex rod at the bottom of the tape receiving disc and the bottoms of the frame block.

The invention provides a digital door lock device with fastening bolts. A digital door lock device with fastening bolts according to an embodiment of the present invention includes: a pair of door lock bodies provided on the indoor and outdoor sides of the door, and handles are rotatably coupled to the pair of door lock bodies; The latch assembly is arranged between a pair of the door lock bodies and has a latch bolt for locking the door on the door frame or unlocking the lock; the rotation connection assembly is connected to the handle and is capable of rotating provided on a pair of said door lock main bodies in such a manner as to transmit the rotational force of said handle to said door latch assembly; The separation interval of the main body, the door lock fastening part is combined with a pair of the door lock main bodies, and the door lock fastening part is provided on the door lock main body, so as to adjust a pair of the door lock devices between each other The connecting distance of the rotation connection assembly includes a rotation transmission assembly, and the rotation transmission assembly is set on the door lock body in a relatively movable manner, so as to maintain the transmission distance according to the set interval of a pair of the door lock bodies. rotational force contact with the door latch assembly.

Disclosed is a functional front safety net of an electric fan, having excellent compatibility, the front safety net increasing the linearity of wind so as to enable the cooling efficiency of an electric fan to improve when the front safety net is coupled to a rear safety net of a conventionally used electric fan, and, specifically, being fixedly coupled quickly and easily and usable through elongated holes and fastening pieces, which are formed at a coupling part, without being influenced by the diameter of the edge of the rear safety net of the conventionally used electric fan.

The invention discloses a mechanical paw clamping force detection device. The mechanical paw clamping force detection device is characterized by comprising a base, a supporting part, a support and a force detection part, wherein the supporting part is vertically and fixedly connected with the base, and the supporting part comprises a first supporting part and a second supporting part which are arranged in parallel; the support is arranged between the first supporting part and the second supporting part; and the force detection part is arranged on the support. The detection device has the advantages of being simple in structure and easy to use, and capable of being used for detecting the clamping force of mechanical paws in different forms and the like.

The invention provides a flange plate rapid-connecting device and an operation method thereof and belongs to the technical field of flange plate sealing and connecting of oil feeding and draining valves of transformers. The flange plate rapid-connecting device comprises a transformer oil feeding and draining pipe, an oil pipe self-sealing connector, a transformer oil feeding and draining valve flange, an oil pipe connector flange, a sealing gasket, an adjusting steel pipe, a chuck and buckles. The adjusting steel pipe is arranged coaxially outside the oil pipe self-sealing connector. A plurality of assistant member connecting holes and a plurality of threaded holes are formed in the adjusting steel pipe. The adjusting steel pipe is provided with an external threaded face. The chuck is provided with an internal threaded face which is matched and connected with the external threaded face, and a vertical face perpendicular to the internal threaded face. The multiple buckles are connected to the end of the vertical face through hinges. The flange plate rapid connecting device is safe, reliable, suitable for oil feeding and draining operations of oil outlets with all sizes of the transformers, rapid, convenient and capable of greatly shortening sealing and connecting time of flange plates of the transformers, relieving the work intensity of maintainers and improving the working efficiency, and the maintenance frequency is greatly reduced at the same time.