362results about How to "Guaranteed to open normally" patented technology

The utility model relates to an endless needle punching machine, which belongs to the technical field of non-woven machinery. It includes the frame, the upper part of which is fixed with an upper top plate, the bottom is fixed with a base plate, and a pair of upper beams are fixed on the upper top plate; the needle beam and the needle beam driving mechanism are fixed on the bottom of the needle beam and the needle bed is arranged with needles; Pinhole plate; movable beam; movable beam opening and closing mechanism; movable beam lifting adjustment mechanism; features: the right end of the movable beam is set on the vertical shaft, and the vertical shaft is fixed between the upper top plate and the base, and the left end of the movable beam is formed as a free end. The opening and closing mechanism of the crossbeam includes a working cylinder, a pressing arm and a pressing block; an idler roller is arranged on the side of the movable crossbeam facing the pressing block, a tension roller is arranged on the other side, and a limit rod is fixed on the side of the right end of the movable crossbeam. Advantages: it can ensure the locking and opening of the movable beam; when the limit rod set on the movable beam is obstructed by the vertical shaft, the limit opening degree of the movable beam is limited; the movable beam can be lifted and lowered smoothly; the overall structure is simple.

The invention provides a knotless needling machine, and belongs to the technical field of non-woven machinery. The needling machine comprises a rack, a needle beam, a needle beam driving mechanism, a needle hole board, a moving beam, a moving beam opening / closing mechanism and a moving beam lift adjusting mechanism, wherein an upper top plate is fixedly arranged on the top of the rack and a base plate is fixedly arranged at the bottom of the rack; a pair of upper beams are fixedly arranged on the upper top plate; a needle bed is fixed at the bottom of the needle beam; and needles are arrangedon the needle bed. The needling machine is characterized in that the right end of the moving beam is arranged on a vertical shaft; the vertical shaft is fixed between the upper top plate and the baseplate; the left end of the moving beam forms a free end; the moving beam opening / closing mechanism comprises an acting cylinder, a press arm and a press block; a carrier roller is arranged at one side, facing the press block, of the moving beam and a tension roller is arranged at the other side of the moving beam; and a limiting rod is fixedly arranged at the side at the right end of the moving beam. The needling machine has the following advantages: locking and opening of the moving beam can be guaranteed; when the limiting rod arranged on the moving beam is hindered by the vertical shaft, the opening of the moving beam is extremely limited; stable lifting of the moving beam is guaranteed; and the needling machine has a simple integral structure.

The invention discloses a vehicle window control system which comprises an additional switch positioned on the handle of the vehicle door, a vehicle door lock switch, a vehicle door switch and a vehicle window control module applied to control the lifting of the vehicle window. The additional switch, the vehicle door lock switch and the vehicle door switch are all connected with the vehicle window control module, and the vehicle door lock switch, when being opened, sends the control signals of lowering the window to the vehicle window control module; the additional switch, when being opened, sends control signals of lowering the window to the vehicle window control module; the vehicle door switch, when being opened, sends control signals of lowering the window to the vehicle window control module, and when being closed, sends control signals of raising the window to the vehicle window control module. The system is applicable to vehicles with flameless windows, can ensure normal opening and closing of the vehicle door and prolong the service life of sealing strips at the top and glasses for vehicle windows.

The invention discloses a thermoelectric type flame-out protection plug valve of a gas stove and a gas stove. The plug valve of the gas stove comprises a valve body, a valve core and a valve rod, wherein an air inlet hole, an electromagnetic valve hole and a plug valve hole matched with the valve core are arranged in the valve body, the air inlet hole is communicated with the electromagnetic valve hole, an electromagnetic valve is arranged inside the electromagnetic valve hole, the inner side of the electromagnetic valve hole is communicated with the plug valve hole through a containing cavity, and a lever mechanism used for starting the electromagnetic valve is arranged in the containing cavity; and the valve rod penetrates through the valve core to abut against the lever mechanism, the valve rod is in a two-section type and comprises a switch rod and a downward-pressing rod, one end of the switch rod is arranged outside the valve body, one end of the switch rod penetrates through the valve body, is matched with the valve core along the axial direction in a sliding mode and is positioned in a rotatable mode, the switch rod is provided with a rotary locking piece used for being matched with the gas stove, the downward-pressing rod penetrates through the valve core, one end of the downward-pressing rod abuts against the lever mechanism, the other end of the downward-pressing rod is in linkage with the switch rod through a valve rod spring, and the limit distance of the rotary locking piece for the switch rod is larger than a limit displacement produced when the downward-pressing rod pushes the lever mechanism. The gas stove comprises a shell body and the plug valve of the gas stove, wherein the plug valve is installed on the shell body.

The invention provides a new percutaneous aortic valve replacing device which is characterized by the rational designation, convenient usage and low operational danger, which is to solve problems of inconvenient stitching of valve and cradle and high danger of using saccule to expand aortic valve in current aortic valve replacing device, the device is an automatic buckling cradle carrying biological valve, comprising cradle in nickel-tantalum alloy framework and trilobular one-way opening valve composed of pig heart bag. The nickel-tantalum alloy possesses functions of fixing and supporting, the trilobular valve is fixed tightly in the cradle. The product is characterized by the small injury, high safety, reduced complication caused by aortic valve replacement, and wide application prospect.

The invention discloses a refrigerator. The refrigerator comprises a refrigerator body, a door body used for opening and closing the refrigerator body and a hinge assembly connected with the refrigerator body and the door body; the refrigerator body comprises a containing cavity and an outer side face which is adjacent to the hinge assembly and located on an extending section of a rotating path ofthe door body, wherein the direction, facing the outer side face, of the containing cavity is a first direction; and when the door body is in an opening process, the hinge assembly drives the door body to move, in the first direction, away from the refrigerator body. According to the refrigerator, the hinge assembly can drive the door body to move, in the first direction, away from the refrigerator body, that is the door body moves in the direction away from the containing cavity, so that the opening degree of the refrigerator body can be guaranteed, and the problem that drawers, shelves andthe like in the refrigerator body cannot be opened due to interference of the door body is solved.

The invention relates to an air bearing-air rib combined-type film structure, comprising an air rib type framework, an air bearing film and a drag cable, wherein the air rib type framework is a framework-shaped structure combined from a plurality of air-inflated rib members, formed by the inflation of an air blower, and maintained in rigidity, so as to form a support framework for bearing a load; the air bearing film is paved on the periphery of the air rib type framework, and an air pressure difference between the inside and the outside is kept in an area surrounded by the air bearing film via air inflation; and the drag cable is fixedly connected with the outer side of the air bearing film via a diaphragm, and forms an integral structure with the air bearing film. Compared with the prior art, the air bearing-air rib combined type film structure disclosed by the invention can be used for effectively solving the problem of door opening of the air bearing type film structure, and has the characteristics of being good in economical efficiency, high in bearing capacity, convenient to install, easy to disassemble and assembly and the like simultaneously.

The invention discloses a refrigerator. The refrigerator comprises a refrigerator body, a door body and a hinge assembly, the refrigerator body comprises a containing cavity and a pivoting side connected to the hinge assembly, when the door body is opened to a first opening angle, the hinge assembly drives the door body to rotate in situ relative to the refrigerator body, when the door body is opened to a second opening angle, the hinge assembly drives the door body to move towards the containing cavity from the pivoting side, when the door body is opened to a third opening angle, the hinge assembly drives the door body to move towards the pivoting side from the containing cavity, and when the door body is opened to the maximum opening angle, the hinge assembly drives the door body to rotate in situ relative to the refrigerator body. According to the refrigerator, by means of the hinge assembly, the door body can be prevented from interfering with surrounding cabinets or walls in the opening process, the opening degree of the refrigerator body can be guaranteed as much as possible, and meanwhile it can be guaranteed that the door body is smoothly opened.

The invention relates to a hose clamp (10) for clamping preferably catheter extensions consisting of an elongated single-piece plastic body provided with two arms (12, 14), which are elastically connected to each other by the ends thereof and form protrusions (18, 20), respectively, in such a way that they are arranged in front of each other when the clamp (10) is closed and are attached to each other in the closed state thereof, wherein openings (34, 34') for receiving a hose are embodied on the front and rear ends (16, 22). The inventive clamp (10) is practically embodied in the form of a cylinder which is provided with cut-off sides and decreases in a conical manner on two sides towards the ends (16, 22) thereof which are fitted to a circular shape of an insertable hose.

The invention discloses a thermoelectric type flame-out protection plug valve of a gas stove and a gas stove. The plug valve of the gas stove comprises a valve body, a valve core and a valve rod, wherein an air inlet hole, an electromagnetic valve hole and a plug valve hole matched with the valve core are arranged in the valve body, the air inlet hole is communicated with the electromagnetic valve hole, an electromagnetic valve is arranged inside the electromagnetic valve hole, the inner side of the electromagnetic valve hole is communicated with the plug valve hole through a containing cavity, and a lever mechanism used for starting the electromagnetic valve is arranged in the containing cavity; and the valve rod penetrates through the valve core to abut against the lever mechanism, the valve rod is in a two-section type and comprises a switch rod and a downward-pressing rod, one end of the switch rod is arranged outside the valve body, one end of the switch rod penetrates through the valve body, is matched with the valve core along the axial direction in a sliding mode and is positioned in a rotatable mode, the switch rod is provided with a rotary locking piece used for being matched with the gas stove, the downward-pressing rod penetrates through the valve core, one end of the downward-pressing rod abuts against the lever mechanism, the other end of the downward-pressing rod is in linkage with the switch rod through a valve rod spring, and the limit distance of the rotary locking piece for the switch rod is larger than a limit displacement produced when the downward-pressing rod pushes the lever mechanism. The gas stove comprises a shell body and the plug valve of the gas stove, wherein the plug valve is installed on the shell body.