99results about How to "Prevent whipping" patented technology

A method of milk extraction system may include massaging a posterior of a breast. Massaging and collecting milk may optionally be performed simultaneously. A posterior massager may also be used and/or mounted separately from a collection unit. In some embodiments the massager may be used to improve milk collection and/or alleviate breast ailments for example engorgement, plugged ducts, and/or mastitis. A collection flange may include an air inlet manifold, to mix air and milk. Optionally as air is drawn along a tube by a vacuum, milk may be entrained in the airstream and brought towards a collection vessel. The system may include automated tracking of milk production and/or consumption.

The invention discloses a guide device applied to glass plate deviation rectification. The guide device comprises a set of opposite guide mechanisms, each guide mechanism comprises a deviation rectification plate, each deviation rectification plate is composed of an inclined guide plate and a longitudinal side plate, a plurality of transverse long branch shafts are fixed to the back end of the side plate, the long branch shafts are fixedly sleeved with longitudinal reinforcing plates in an inserted manner, the front ends of the reinforcing plates are fixed to the guide plates, and the upper side edges of the reinforcing plates are bent to form horizontal top plates; limiting plates are fixed to the front end faces of the deviation rectification plates, each limiting plate comprises a horizontal flat plate, an inclined flow guide plate is molded at the front end of each flat plate, and the front end of each flow guide plate is fixed to the corresponding top plate; and a transverse short branch shaft is fixed to the front end of each reinforcing plate, the short branch shafts and the long branch shafts are connected to shaft sleeves in an inserted manner, and the shaft sleeves are fixed to an installation plate. The guide device is simple in structure, suitable for deviation rectification guide of glass plates with small thicknesses and capable of avoiding conditions of lifting and overturning in the glass plate deviation rectification process.

The invention provides a sedan cover with the advantages of sun protection, heat insulation, frost prevention, heat preservation, and convenient use. The sedan cover adopts the technical scheme that the shape of the sedan cover is similar to that of the upper part of the sedan, so the cover only covers the top part and peripheral glasses of the sedan; the inner surfaces of the front part, the back part, and the top part of the sedan cover are provided with a set of support blocks; the front part, the back part, and the bottom sides of the left side and the right side of the sedan cover are provided with a set of magnet blocks absorbing the cover surface onto the sedan body surface; and lateral sides of the sedan cover are provided with nylon fasteners connected with the left and the right rearview mirror handles and door handles of the front part of the sedan respectively. By adopting a silver coated nylon cloth, or an aluminized film with high reflection ratio, a polyester fiber rain-proof material or a polyester taffeta material, the convenient sedan cover can play a role in preventing the sedan from being exposed in strong sunlight, insulating heat, and retarding aging of instrument elements and ornaments in the sedan in summer, and also can play a role in frost prevention, ice and snow prevention, and heat preservation in winter. The convenient sedan cover has the advantages of small volume, light weight, convenient use, time and labor saving, and easy close, folding and storage, and can be operated by one person.

The invention discloses an optical fiber screening, rewinding and whip preventing device. The device comprises a dancing wheel, a lead, a wire arranging wheel and an optical fiber wire collecting disc; the optical fiber wire collecting disc is coated with a first protective cover and a second protective cover; optical fibers enter the optical fiber wire collecting disc from a gap between the first protective cover and the second protective cover; a first motor drives the first protective cover to rotate; meanwhile, a transmission device drives the second protective cover to synchronously rotate; a second motor drives the optical fiber wire collecting disc to rotate; and when the optical fibers are broken, an air pressure rod pushes a first base to move on a first guide rail, and the first protective cover is pushed to the second protective cover, so that the first protective cover and the second protective cover tightly clamp the broken ends of the optical fibers. When the optical fibers are broken in screening and rewinding caused by the strength problem of the optical fibers or the equipment problem, the broken ends of the optical fibers can be clamped through the device to prevent from continuously whipping the optical fibers on the surface of the optical fiber wire collecting disc in a high-speed state so as to prevent influence on the quality of the optical fibers.

The invention provides an oil containment boom capable of preventing overturn in torrent. The oil containment boom is exquisite in structure and simple to operate and can clean leakage oil efficiently and simultaneously effectively prevent the oil containment boom from being overturned or lifted in the torrent. The oil containment boom comprises a float and a fence. The float comprises a float body and a skirt body. The skirt body wraps the float body, forms an upper vertical side on the upper portion of the float body and forms a lower hanging side on the lower portion of the float body. The fence is connected with the lower portion of the lower hanging side. The fence comprises a surrounding curtain and a surrounding net. The surrounding net is arranged on one side facing the coming direction of the torrent, and the lower edge of the surrounding net is lower than the lower edge of the surrounding curtain. The oil containment boom can be widely applied to rivers and lakes with rapid water flow and large fall, can also be applied to oceans with large waves and high flow speed, is remarkable in effect and good in the stability, can be prevented from being turned over or lifted effectively in the water flow, and collects and cleans the leakage oil efficiently.

A fingerlike apparatus that attaches to a chain saw guide bar. The apparatus is metal. A proximal end portion of the apparatus is continuously joined to a distal end portion. The distal end portion is positioned at an acute angle to the proximal end portion and away from the plane of the chain saw guide bar. The distal end portion is provided with a surface area away from the cutting plane of a chain saw upon which small limbs, branches or the like may be rested and/or manipulated by an operator before making a cut.

The invention discloses an SCS (steel concrete steel) bridge deck with internal vertical J-shaped connecting structures. The SCS bridge deck comprises a bottom plate, a top plate, N rows of vertical J-shaped connecting structures, and an inter-plate concrete structure made of concrete poured between the top plate and the bottom plate. The vertical J-shaped connecting structures are all cast in the inter-plate concrete structure. The top plate and the bottom plate are integrally connected with the N rows of vertical J-shaped connecting structures through the inter-plate concrete structure. Each row of vertical J-shaped connecting structures comprises a plurality of vertical J-shaped connecting structures distributed from front to rear; each vertical J-shaped connecting structure comprises an upper connector fixed to the bottom of the top plate and a lower connector hooked to the upper connector; the upper connector and the lower connector are both J-shaped hooks. The SCS bridge deck is simple in structure, reasonable in design, convenient to construct, effective to use and good in mechanical property, and the problems in the existing concrete deck can be solved.

An active protective headrest device for automobile seat against whipping injury of head and neck, including seat frames, The seat frame is divided into a horizontal seat frame and a backrest seat frame, Horizontal seat frame and backrest seat frame are integrated, A rotational shaft is arranged on the backrest seat frame, A head restraint rotate tube is arranged on that rotate shaft, A swivel tube of that head restraint is connecte with the head restraint through a head restraint strut, A left torsion spr and a right torsion spring are arrange on both sides of that rotating shaft and the outer arm of the torsion spr is pressed on the head restraint strut, A head restraint rotate tube is fixed to that upper end of the limit rod, A low end of that limit lever is arrange on the controller, Alocate slider is arrange in that controller, and a positioning spring is arranged between the limit rod and the positioning slider. The invention adopts a rotary head restraint and uses a torsion spring instead of an air cylinder or a pyrotechnic driver to provide power, thus solving the problem of limiting the range of motion of the head and neck, and avoiding the problem of damaging the head and neck of a human body by rigid driving.

A hinge assembly for a door of a kimchi storage device is disclosed. The hinge housing of the hinge assembly contains a supporting member, which is provided on its upper surface with a 1st contacting face which inclined upward at a definite angle from the side of a cover plate and sliding a press roll in the opening of the door and a 2nd contacting face which continuing from the top of the supporting member to the opposite side of the 1st contacting face, inclined downward at a definite angle from the side of the cover plate and sliding the press roll in the closure of the door. The invention provided a hinge assembly which can keep the door closed stably by the two contacting face capable of preventing the door cocking from the main body, and effectively preventing the leakage of cold air from the storage chamber. Concretely, the supporting member is provided on its upper surface with a 1st contacting face 62a inclined upward at a definite angle from the side of a cover plate 33 and sliding a press roll in the opening of the door and a 2nd contacting face 62b continuing from the top 62c of the supporting member to the opposite side of the 1st contacting face 62a, inclined downward at a definite angle from the side of the cover plate 33 and sliding the press roll in the closure of the door.

A liquid crystal display unit consists of a driving printed circuit; a display face plate connected separately to driving printed circuit and to multiple winding type of package including base plate with multiple false pressed region at left and right sides, the first contact region, the second contact region and multiple open unit for avoiding electric damage caused by pin in contact region when pin is lifted up by false pressed region.

A coupling for an air hose that reduces or eliminates whipping of the free end of the hose when the coupling is detached. The coupling comprises a one-piece plug member, the plug member comprising a fitting at a first axial end, the fitting being adapted for connection to an air hose, an external circumferential groove, a beveled external shoulder forming a wall of the groove, an axial bore, the axial bore being closed at a second axial end of the plug member, and a plurality of air passages intersecting the axial bore near the closed end of the bore; a two-piece coupler member, the coupler member receiving the plug member and releasably locking with the groove on the plug member; the coupler member comprising a ring seal trapped between the two pieces of the coupler member, and a valve member seatable on an axial side of the ring seal. The plug member, when coupled with the coupler member, extends at least partially through the ring seal, forms a seal with it, displaces the valve member, and puts the air passages in the plug member functionally on the same axial side of the ring seal as the valve member. The air passages in the plug member are preferably collectively larger in cross-section than the bore, and preferably direct air from the bore back toward the open end of the plug. The invention permits simple adaptation of existing couplings to the improved design by modifying only the plug and the valve.

The invention relates to the field of machining of guitars, and discloses a cutting machining device for edges of a guitar. The device comprises a rack and a cutter blade, wherein the rack is rotatably connected with an upper pressing rod and a lower pressing rod which are used for fixing the guitar; the upper pressing rod and the lower pressing rod resist against an upper plate and a lower plate of the guitar; the upper pressing rod is a telescopic plate; a first spring for controlling the expansion of the upper pressing rod; a clamping ball for clamping the upper plate and the lower plate of the guitar and the cutter blade for cutting other edges are arranged on one side of the upper pressing rod in a sliding manner; the clamping ball and the cutter blade are arranged on a base; a second spring is connected between the base and the rack; a torsion spring is connected between the clamping ball and the base. According to the cutting machining device, the problem that the upper plate and the lower plate of the guitar are raised when the edges of the guitar are cut in the prior art is solved, and the grinding after cutting of the guitar also can be realized.

The invention discloses a connection device of a suspension chain and an aluminum guide rod. The device is characterized by consisting of a hooked hanger, a fixing hoop of the aluminum guide rod and a safety self-locking pin, wherein, the fixing hoop of the aluminum guide rod is arranged at the periphery of the hooked hanger and installed in the hoop installation pin hole of the hooked hanger by a hoop connection pin; the safety self-locking pin is connected with the fixing hoop of the aluminum guide rod by a self-locking fixing sleeve and matched with a locking column arranged on the hooked hanger. The connection device of the invention has the advantages of simple manufacturing, convenient operation, high loading and unloading efficiency, safe and reliable connection and extreme low fault rate of operation equipment and is maintenance-free and can correctly and intuitively judge and confirm the firmness degree of the connection between a fixture and the aluminum guide rod so as to effectively avoid and control the occurrence of the falling of the aluminum guide rod; meanwhile, the connection device also has greater value of popularization and application as well as invisible, potential and latent security benefits and social benefits.

A valve stem seal (1) seals a valve stem (4) that is reciprocally movable in an axial direction. The valve stem seal includes a base body (8) that is connectable with a valve stem guide (6). A first seal lip (10) is resiliently positioned relative to the base body via an elastic connection (16) and seals the valve stem relative to an oil chamber (24). A second seal lip (12) is spaced in the axial direction (2) from the first seal lip and seals the valve stem relative to a gas chamber. The second seal lip is also resiliently positioned relative to the base body via the elastic connection.

The invention provides a wind pressure switch which comprises a shell, a driving device, a contact action device and a pressure adjusting device, the pressure adjusting device comprises a biasing member, a guide structure, and an operation knob; the one end of the biasing member is arranged on the other side of a triggering structure corresponding to a push rod, the acting force direction is parallel to the acting force direction of the push rod, and a sliding part is arranged at the other end of the push rod; the guide structure limits the sliding part to slide along the acting force direction of the biasing member; and the operation knob is rotationally arranged on the shell, a driving structure connected with the sliding part facing the inside of the shell, and the operation knob drivesthe driving structure to drive the sliding part to move in the rotation process. In the present invention, the pressure value corresponding to the size of the wind pressure switch can be adjusted bydirectly rotating the operation knob manually, without the need of any external tools, the adjustment is convenient and manpower is saved, the accuracy and stability of the pressure value in the shellis guaranteed, the wind magnitude of the device with the wind pressure can be accurately monitored, the structure is compact and reliable, and the use is safe and reliable.

The invention discloses a foldable inflatable tent. The foldable inflatable tent comprises an inflation support, a side wall arranged on the side face of the inflation support, a top cover arranged onthe top of the inflation support and a storage bag. The bottom of the inflation support is provided with four fixing legs in bilateral symmetry. The side faces of the fixing legs are fixedly providedwith tent peg buckles and inflation nozzles. A vertical supporting column of a tubular structure is fixedly stitched to the upper end of each fixing leg. Horizontal supporting columns are fixedly connected to the upper ends of the vertical supporting columns and fixedly connected between every two adjacent vertical supporting columns. The inflation support, the side wall and the top cover are bonded and fixed together through the vertical supporting columns, the horizontal supporting columns, connecting bands and velcro tapes I, and the connecting bands and the velcro tapes I are arranged onthe outer side faces of ceiling supporting columns. Through the structure, the inflation support, the side wall and the top cover are effectively protected against side slipping relatively. The overall connecting performance of the whole tent is improved. The bottom edge of side wall cloth and the ground are pressed together through pressing bags, and the wind-resistant performance of the whole tent is improved.

The invention relates to the technical field of flap valves, in particular to a turnover type cast iron deepwater flap valve which comprises a mounting plate, mounting holes are formed in the four face corners of the mounting plate, and a rotating rod is rotationally connected into a rotating sleeve. When the device cannot be normally and automatically started, a user starts a double-shaft motor through a switch, the double-shaft motor can enable a second connecting rotating rod to rotate through a first connecting rotating rod and a first bevel gear, an inner threaded sleeve can rotate through a first toothed rod and a second toothed rod, and a threaded rod can be moved out through the inner threaded sleeve; the threaded rod can jack up the cover plate through the push plate, the rotating roller and the lug plate, the cover plate and the connecting piece do circular motion, at the moment, the cover plate can be opened, the cover plate can be opened when the cover plate cannot be automatically opened, and therefore the situation that a user needs to lift up the cover plate from the bottom end of the cover plate is avoided, and the use safety of the user is improved; and the normal operation of the device can be ensured.

The invention belongs to the field of shared bicycles and particularly relates to a shared bicycle with a rapid returning function. The shared bicycle comprises a triangular front bicycle frame, a rear bicycle frame fixedly mounted behind the front bicycle frame and a double support leg mounted at the rear end of the rear bicycle frame; a filtering channel is formed in an upper pipe; a filtering piece is inserted in the filtering channel; a plurality of air pump assemblies distributed at equal intervals in the length direction of a lower pipe are mounted on the lower pipe; two baffles are symmetrically mounted on the two sides, located at the air pump assemblies, of the front bicycle frame; the upper pipe is rotatably connected with a clamping plate; an electromagnetic lock is mounted between the double support leg and the rear bicycle frame. After parking of the bicycle and locking of the electromagnetic lock, the bicycle is returned, the situation that a user forgets to lock or confirm bicycle returning to cause a failure of bicycle returning is avoided; when the shared bicycle is locked, because the double support leg enables a rear wheel to be separated from the ground, other people cannot use the bicycle in a non-unlocking state, and the shared bicycle can be prevented from being embezzled illegally by the other people.

The invention relates to a car cover, comprising a bottom bracing plate, a car cover body and a control mechanism. The middle part of the car cover body is fixed on the bottom bracing plate, the control mechanism includes a folding control unit and an unfolding control unit, the folding control unit comprises a plurality of drawing ropes embedded in the car cover body, and a turntable arranged onthe bottom bracing plate, one ends of the drawing ropes are fixed on the peripheral edge of the car cover body, the other ends of the drawing ropes are fixed on the peripheral edge of the turntable, alocking component capable of fixing the turntable and the bottom bracing plate relative to each other is arranged between the turntable and the bottom bracing plate, the folding control unit comprises a plurality of rollers, in the folding state, each drawing rope piles and pulls tightly the car cover body, part of each drawing rope is wound on the turntable, and the car cover body and the rollers are positioned on the bottom bracing plate; and in the unfolding state, the car cover body is spread, and the drawing ropes are spread along the car cover body. The rollers not only play the role ofguiding and spreading, but also play the role of counterweight, the car cover is easy and simple to fold and unfold, is time-saving and labor-saving, is reasonable in size, and is convenient to transport and store.