46results about How to "Realize the opening and closing function" patented technology

The invention discloses a box-type protective atmosphere heat treatment furnace which comprises a furnace body, a furnace door and a charging device. A furnace door sealing device and a furnace door opening device are arranged between the furnace body and the furnace door. The furnace door sealing device comprises a compressing ring, a driving device, a furnace door flange, a sealing flange and asealing ring, wherein the furnace door flange and the sealing flange are respectively and correspondingly arranged on the furnace body and the furnace door; and the sealing ring is arranged between the furnace door flange and the sealing flange. The compressing ring is sleeved on the furnace door flange. An inner flange and a compressing flange are arranged on the compressing ring. A compressing wedge block matched with the compressing flange is arranged on the sealing flange. A compressing inclined plane is arranged on the compressing wedge block. The furnace door opening device comprises a furnace door supporting rod, a rotary lever and a transmission mechanism, wherein the furnace door supporting rod is rotationally arranged on the furnace body; the rotary lever is respectively connected with the furnace door supporting rod and the furnace door; and the transmission mechanism is used for driving the rotary lever to rotate and hoisting the furnace door to one side of the furnace body. Not only does the box-type protective atmosphere heat treatment furnace have better sealing performance and the protective atmosphere with higher class can be used in the furnace, but also the furnace door is convenient to open and close and the box-type protective atmosphere heat treatment furnace is convenient to implement.

The invention relates to a two-position two-way turntable type switching valve and belongs to the field of hydraulic driving. A main structure comprises a valve body, a turntable and an end cap, wherein the valve body is fixed to a base, an oil inlet formed in the end cap coincides with the axis of an oil outlet of a pump body to ensure synchronization of an oil inlet moment of the oil inlet and an oil outlet moment of the oil outlet. The turntable is installed in the cavity formed by the valve body and the end cap, the rotary shaft of the turntable extends out of a central opening of the end cap, a key for being connected with a coupler is arranged at the shaft end, and the turntable can be driven by external power to rotate around its axis. In the rotating process of the turntable, arc-shaped grooves formed in the upper end face and the lower end face respectively enable an oil way between the oil inlet and an oil outlet to be communicated or disconnected at a front semi-cycle station and a rear semi-cycle station. Compared with other two-position two-way switching valves, the two-position two-way turntable type switching valve has the outstanding characteristic of good manufacturability. In addition, the two-position two-way turntable type switching valve has the advantages of being simple and compact in structure, high in reliability, high in working frequency, easy to seal, small in noise and the like and can be widely applied to a hydraulic system switched at high speed and adopting high-speed shock excitation.

The invention belongs to the technical field of rainwater resource reuse, and particularly relates to a rainwater recycling and reusing system based on clean energy. The rainwater recycling and reusing system includes a water diversion system, a filtration system, a water collection system, a water pumping system, a water storing system and an energy supplying system. According to the rainwater recycling and reusing system based on the clean energy, the problems that rainwater collected areas of existing rainwater recycling technologies are disperse, traditional rainwater recycling and using systems have high requirements for water lifting equipment, and adopted equipment such as high-lift pumps can generate high electricity costs are solved. According to the rainwater recycling and reusing system based on the clean energy, a photovoltaic panel power generation device and an improved pressure pump are used for providing power for operation of the rainwater recycling and reusing system,wherein the improved pressure pump is used as a water circulation water lifting device instead of traditional electric pumps, and thus huge power consumption of the rainwater recycling and reusing system is lowered; and solar energy is fully utilized, energy saving and environmental protection are achieved, and the rainwater recycling and reusing system is suitable for popularization.

The invention discloses a push-and-pull and side-hung door and window hardware system. A first lock point for locking a push-and-pull door and window sash in a door and window frame is arranged on the push-and-pull door and window sash. The other side of a side-hung door and window sash is provided with a second lock point for locking the side-hung door and window sash into the door and window frame. The push-and-pull door and window sash and the side-hung door and window sash are provided with the first lock point and the second lock point respectively, the first lock point achieves the antitheft effect and the limiting effect on the side-hung door and window sash, and the second lock point achieves the limiting effect and can be further matched with an anti-misoperation device to achieve the anti-misoperation effect. The push-and-pull door and window sash and the side-hung door and window sash of a push-and-pull side-hung door and window sash can switch off locking connection through a third lock point, the push-and-pull door and window sash is pushed to a proper position wherein the push-and-pull door and window sash and the side-hung door and window sash are overlapped, the push-and-pull door and window sash and the side-hung door and window sash can form a tight integrated structure, and combined linkage of the push-and-pull door and window sash and the side-hung door and window sash is facilitated.

The present invention relates to a glass window which can be automatically traslated and opened. Said invention includes a window body with embedded slideway, said window is partially extended into the wall body, in the wall body a receiving chamber is formed, in the window body and/or the receiving chamber a control device and a drive motor are mounted. Said invention also includes motor output shaft and driving mechanism connected with it, at least a movable glass which can be controlled by said driving mechanism and can be translated along the slideway, when the glass is moved into the receiving chamber, the glass window is opened, when the glass is moved out from the receiving chamber, the glass window is closed.

The invention relates to an unlocking key of a mechanical digital lock. The variable-code key with cylinder shifting teeth is characterized in that: a key rod is provided with multiple shifting tooth holes; the cylinder shifting teeth are mounted in partial or all shifting tooth holes, freely stretch/withdraw relative to the shifting tooth holes, and can switch in different shifting tooth holes; and only one cylinder shifting tooth can be mounted in the shifting tooth holes on the same circumference of the key rod. With a simple structure, the variable-code key provided by the invention not only realizes the intrinsic locking/unlocking function of a key, but also can change the combination of the cylinder shifting teeth and the shifting tooth holes on different positions of the key; and moreover, a novel key component integrating the encryption function and the key locking/unlocking function is created, two simple and convenient cylinder shifting tooth structures are provided, and more other cylinder shifting teeth with the same concept are also applicable. The variable-code key is simple to operate, convenient to use and high in security and suitable to be matched with the concealed digital locks of various safety boxes and security doors.

The invention discloses a powder conveying device and relates to the field of manufacture equipment for an additional material of a powder bed. The powder conveying device is used for solving the problem that since an existing powder conveying device is easily influenced by the particle size and fluidity of powder and the work environment, powder conveying is uneven or the powder conveying deviceis easily damaged. The device comprises a powder box, a powder collection groove assembly, a rotation block assembly and a support. A powder outlet of the powder box is formed above the powder collection groove assembly and provided with a powder leakage insertion strip. The powder collection groove assembly comprises two or more powder collection groove sheets and two powder collection groove catches, a first side face of each powder collection groove catch is in contact with the side wall of the corresponding powder collection groove sheet, and the portions, in contact with the powder collection groove sheets, of the powder collection groove catches are provided with U-shaped hole grooves. A second side face of each powder collection groove catch is provided with a bearing hole and a bearing cover plate, the inner wall of each bearing hole is provided with a seal groove, the bearing cover plates are used for covering the bearing holes, and asbestos ropes are arranged in the seal grooves. The rotation block assembly comprises two rotation catches and a rotation block, and the rotation block is provided with a side notch.

The invention discloses an opening and closing device of a building coating material stirring box. The opening and closing device comprises a feeding box and a driving box, wherein two sides of the upper half portion of the feeding box are provided with limiting mechanisms, one side of the lower half portion of the feeding box is provided with a material guiding mechanism connected with the inner periphery of the feeding box, the bottom of the feeding box is in the shape of a quadrangular frustum pyramid, the driving box is arranged below the feeding box, a box cover is mounted at the top of the driving box through driving bolts, a conveying opening formed in the center of the box cover is fixedly welded to the periphery of the lower half portion of the feeding box, a supporting block is fixedly welded to the side, close to the box cover, of the driving box, a dust removal mechanism penetrating through the driving box and connected with the bottom of the box cover is arranged in a supporting groove formed in the center of the supporting block, and two groups of symmetrical driving mechanisms are arranged on the inner circumference of the driving box. According to the opening and closing device of the building coating material stirring box, materials can be pretreated while the materials can be stably conveyed, and pollution generated in the conveying process is reduced.

The invention relates to the field of fittings of sliding windows and in particular discloses an invisible handle for a sliding window. The invisible handle comprises a handle and a handle base and is characterized in that the handle base is provided with a mounting groove corresponding to the handle in position, a torsion spring and a square cotter are fixed on the handle by virtue of an embossing shaft, the square cotter penetrates through a round hole in the handle base under the cooperation of a gasket and then is fixed on the other side of the handle base by virtue of a split cotter, and a cover is arranged in a screw mounting hole of the handle base. The invisible handle for the sliding window disclosed by the invention is simple in structure, convenient to use, reasonable in design, flexible in application and applicable to the sliding window, and does not influence the installation of a gauze window, so that the usability of the invisible handle is improved, and the invisible handle is applicable to widespread popularization and application.

The invention discloses a low-temperature stop valve which can reduce the manufacturing cost. The low-temperature stop valve comprises a valve body, a valve cover, a valve core and a valve rod which is connected with the valve core, wherein a stuffing box is arranged between the valve rod and the valve cover; the valve rod is in threaded connection with a valve rod nut; the valve rod nut is fixed relative to the valve cover; the valve rod nut is positioned in a pressure-bearing area between the stuffing box and the valve core and is fixedly connected to the valve cover; a shaft shoulder is arranged on the valve rod; chamfering matched with the shaft shoulder is arranged on the valve rod nut so as to form conical sealing; and when the valve core is completely opened, the valve rod nut, the valve cover and the valve rod are matched to form a sealing structure. The filler can be conveniently replaced, and the valve can be conveniently maintained. According to the structural design, the lengths of the valve rod and the bracket can be shortened, and the manufacturing cost is reduced.

The invention discloses a lock device for a seat cushion of a motorcycle. The lock device comprises a lock body portion structure and a locking portion structure which are opposite to each other, the lock body portion structure is fixed on a covering part, and the locking portion structure is fixed on a frame. The lock device is characterized in that a straightened flexible pull rope is arranged between the lock body portion structure and the locking portion structure, and when a lock cylinder of the lock body portion structure is driven to rotate by a key, a lock rod of the locking portion structure can be pulled through the flexible pull rope. A force transmitting action mode of the lock device for the seat cushion of the motorcycle is changed during locking and unlocking, the flexible pull rope is connected between the lock body portion structure and the locking portion structure to transmit force, influence on assembly and service due to mounting errors is avoided, assembly difficulty is reduced, assembly quality is improved, assembly time is shortened, and reliability of final products is guaranteed.

The invention discloses a gas control type cutting device for a movable cutting device. The gas control type cutting device comprises a main transverse hollow shell. The gas control type cutting device is used in cooperation with the movable cutting device, a portion needing to be cut can be cut automatically through the pressure intensity of air pressure after the gas control type cutting devicesmoves by a certain distance, and the automation degree is high. The device is mechanical equipment, the service life is long, and the device can be driven by a component to achieve an opening and closing function an air flowing portion; air can be controlled in time, and gas driving cutting is achieved; the device is provided with a reverse thread structure rotary type distance adjusting mechanism, distance adjustment can be carried out, and therefore the specific work state of a valve rod and vent holes during moving is controlled; and in addition, the device is provided with a piston sealing type air conversion driven mechanism, high-pressure air can be converted into controllable kinetic energy, and the device is provided with a pore structure internally inserted valve rod moving control mechanism.

The invention discloses a door/window lever handle occupying small space. The door/window lever handle comprises a handle (7) and a base (2). The door/window lever handle is characterized in that a mounting groove corresponding to a handle (7) in position is arranged on the base (2), a torsional spring (6) and a shaft (5) are fixed on the handle (7) through a fastening screw (8), the shaft (5) penetrates a round hole in the base (2) through cooperation with a pad (4) and is fixed on the other side of the base (2) through a pin (1), and a screw mounting hole cover (3) is arranged in a screw mounting hole of the base (2). The handle and the base can be integrated through mutual buckling, the door/window lever handle has high practicability, and mounting of other accessories of doors and windows is not affected.

The invention relates to a door catch which is matched with a locking head for use in a door plate to close a door. The door catch comprises a door catch body which is provided with a ferrule and a rotary wheel for fixing the door catch and is provided with a flat spring bolt notch and a wedged spring bolt notch at the same time, wherein a movable plate I and a movable plate II are arranged at the edges of the flat spring bolt notch and the wedged spring bolt notch; the movable plate I and the movable plate II are fixedly connected through a curved steel sheet and are movably connected to the door catch body through a spring hinge. The door catch body is further provided with an iron rod handle which can be used for opening the door catch indoors. The multifunctional door catch provided by the invention overcomes the defects that the door catch does not satisfy the matching demand on a lock, is insufficient in structural strength, complex in structure, dependent on a power system and the like; opening and closing functions of the door catch structure can be relatively well realized while the structure is simplified and the cost is lowered; meanwhile, the structural design of the door catch is totally a mechanical design, so that the dependency of the system on electrical energy is completely removed, and the technical improving effect is quite obvious.

The invention discloses a door lock opening mechanism for a security door. The door lock opening mechanism comprises a door lock surface plate, a box body, a sliding plate and a driving unit, whereinthe sliding plate is arranged on one side, which deviates from the door lock surface plate, of the box body; the driving unit is arranged in an assembling cavity; and the driving unit comprises a bearing pedestal, a rotary shaft, a first bevel gear, a second bevel gear, a third bevel gear, a fourth bevel gear, a first connecting rod, a rocker arm, a first idler wheel, a wedge block, a second connecting rod, a second idler wheel, a first supporting plate, a second supporting plate, a third supporting plate, a fourth supporting plate, a pull rod, a first spring, a second spring and a locking disk. Compared with the prior art, the door lock opening mechanism is provided with the novel door lock opening mechanism, and the sliding plate slides to realize a locking and unlocking function of a lock body. A way, which is adopted by the door lock opening mechanism disclosed by the invention, of driving a square head to rotate is different from the prior art and is a novel unlocking mode, and aproduct line can be enriched. In the prior art, lawbreakers pull down a lever handle through a peephole, and the unlocking mode of the invention also has a function of preventing the lawbreakers fromopening the door from the peephole.

The invention belongs to the field of household appliances and discloses a shutter achieving the automatic opening and closing. According to the technical scheme, the shutter achieving the automatic opening and closing comprises louvre blades, guide rails, a rotating belt and a control device; limit shafts and rotary shafts are arranged on the louvre blades; the rotary shafts are connected with the rotating belt; the rotating belt is connected with the control device. The shutter achieving the automatic opening and closing can be automatically opened and closed according to the intensity of light rays, and can achieve the automatic opening and closing effect by manually setting the opening and closing time period, and it is avoided that negative effects are caused by direct radiation on indoor devices from sunlight when no person is at home.