45results about How to "Few parts involved" patented technology

The invention relates to an intermittent high-frequency reciprocating feeding mechanism, which is characterized by comprising a cam, a connecting rod, a return spring, a swinging rod, a drive structure and a push rod, wherein, the cam rotates around a fixed pivot; the connecting rod can slip forwards and backwards horizontally, the front end of the connecting rod is equipped with a revolvable roller, and the circumferential surface of the roller is contacted with that of the cam; the return spring acts on the rear end of the connecting rod; the swinging rod is vertically arranged, the lower end of the swinging rod is connected with the middle part of the connecting rod through a first joint bearing, and the middle part of the swinging rod is equipped with a second joint bearing taken as aswinging pivot of the swinging rod; the drive structure drives the second joint bearing to slip up and down along the swinging rod; and the push rod can slip forwards and backwards horizontally, and the rear part of the push rod is hinged with the upper end of the swinging rod. In the invention, the push rod can perform intermittent high-frequency horizontal reciprocating motion under the swinging action of the swinging rod so as to realize intermittent high-frequency feeding; and the drive structure can drive the second joint bearing to slip up and down along the swinging rod, which causes length change of two ends of the pivot of the swinging rod so as to realize feed stroke adjustment.

The present invention relates to a beverage brewing device that facilitates the removal of a beverage pack, comprising a base; a first body; a second body; and a retaining structure for inserting a beverage pack between the first body and the second body The beverage bag is received and held after the interval; it is characterized in that: it also includes a scraping board, which is constrained in the machine base and can slide up and down, and the scraping board has an upper part extending backward to the rear end surface of the first part The position of the blocking part, the distance between the blocking part and the rear end surface of the first machine part for the annular edge of the beverage bag to be placed; the elastic structure acts on the scraping plate and keeps the scraping plate moving downward. The brewing equipment mainly realizes the removal of the beverage pack through the function of the scraper, which involves few parts and has a simple structure; during the removal process of the beverage pack, the downward movement of the scraper will push the annular edge downward, causing downward pressure on the beverage pack. The driving force, that is, the falling force of the beverage bag is not only generated by its own gravity, but also includes the elastic force of the elastic structure, which further ensures the smooth removal of the beverage bag.

The invention relates to a pressure release valve. The pressure release valve is characterized by comprising a valve casing with a channel, a valve seat with a channel, a valve core with a water outlet channel, a valve bush, a first spring, a valve rod for pushing the valve bush to move upward and downward, and a driving locking structure, wherein the side wall of the valve casing is provided with a water inlet; the valve seat is fixed on the lower part of the channel of the valve casing, and the side wall of the valve seat is provided with a connecting channel; the valve bush is positioned in the channel of the valve seat; the first spring is supported between the valve core and the valve bush, the peripheral wall of the upper end of the valve core is in sealing fit with the inner wall of the valve bush in a state of the downward movement of the valve bush, and a gap through which water flow passes is formed between the peripheral wall of the upper end of the valve core and the innerwall of the valve bush in a state of the upward movement of the valve bush; and the driving locking structure is used for driving the valve rod to move upward and downward and keeping the valve rod in a state of pushing the valve bush to move downward. The pressure release valve has a mechanical pressure release structure, the connection and disconnection of the water inlet and the water outlet channel can be controlled only by pushing the valve rod during operation, and the pressure release valve is easy and convenient to operate, has few related components and a simple integral structure, and is low in cost and convenient to assemble.

The invention relates to a buckling and tripping device for automatic transfer switching equipment. The buckling and tripping device comprises a base plate, wherein a buckling mechanism and a tripping mechanism. The buckling mechanism comprises a lever plate body and a buckling plate, wherein the lever plate body and the buckling plate are hinged to the base plate, the buckling plate is located at one end of the lever plate body, a roller capable of rolling on the buckling plate and being embedded into a buckling groove formed in the buckling plate is arranged in the lever plate body and the lever plate body rotates on the base plate to enable the roller to be embedded into the buckling groove so as to achieve switching-on control of an automatic transfer switch. The tripping mechanism comprises a connecting plate installed on the buckling plate and a tripping action mechanism, wherein the tripping action mechanism enables the roller to break away from the buckling groove in the buckling plate through the connecting plate so as to achieve switching-off control of the automatic transfer switch. The buckling and tripping device is simple and compact in structure and capable of achieving remote operation on the automatic transfer switch, improving the on-off performance of the automatic transfer switching equipment and ensuring the switching-on and switching-off reliability of the automatic transfer switch.

The invention relates to a pressure regulator of an electric air pump. The pressure regulator is characterized by comprising a base plate, a flexible sealing fin, a moving plate, a base with an inner cavity, an adjusting screw, a knob with an inner gear ring and a trigger switch, wherein the base plate is provided with a chamber with an open upper part; an air inlet nozzle is arranged on the sidewall of the base plate; the flexible sealing fin is arranged on the upper end face of the base plate and covers the opening at the upper end of the chamber; the moving plate is laid on the flexible sealing fin; the base with the inner cavity is fixed on the upper end face of the base plate; a threaded hole communicated with the inner cavity is arranged on the upper end face of the base; the adjusting screw is connected in the threaded hole; a spring is supported between the lower end of the adjusting screw and the moving plate; a pinion is fixed at the upper end of the adjusting screw; the knob with the inner gear ring is sleeved on an mounting column of the base and can rotate; the pinion is meshed with the inner gear ring of the knob; and the trigger switch is fixed on the base and a contact of the trigger switch extends into the inner cavity of the base. The regulator can drive the adjusting screw to rotate to drive the deformation of the spring by only rotating the knob and realize the adjustment at maximum pressure without extra adjusting tool.

The invention relates to a locking structure of a brewing head device in a coffee machine. The brewing head device includes a lower fixing part and a water outlet plate. After the water outlet plate and the lower fixing part are closed, a chamber capable of accommodating coffee pods can be formed. It is characterized in that : The water outlet plate is fixed on the lower part of the upper fixing part, the rear part of the upper fixing part is rotatably connected to the lower fixing part, and the two sides of the upper end surface of the upper fixing part are respectively provided with left and right sliders, and the left and right sliders can The upper fixing part slides left and right and exposes the side part of the upper fixing part. Correspondingly, the lower fixing part is provided with two left and right bayonets for the left and right sliders to snap into it, and the upper fixing part is also provided with Driven by a push button, the drive mechanism can drive the left and right sliders to slide left and right. The button drives the driving mechanism to move, pushes the left and right sliders to slide, and determines whether the sliders are snapped into the bayonet on the lower fixing part, so as to realize the locking or opening of the brewing head device. The locking structure involves fewer parts as a whole , simple structure, and simple and convenient operation.

The invention relates to a gas distribution device and a gas water heater using the device, wherein the gas distribution device includes a housing, a rotating drum and a stepping drive mechanism, the housing is provided with a first air inlet and a nozzle, the rotating drum and the stepping The driving mechanism constitutes the blocking mechanism for blocking the nozzles. The rotating drum is located in the inner cavity of the housing and extends axially along the direction in which the nozzles are spaced apart. On the side wall of the rotating drum, there are at least two Each strip-shaped through-hole extends along the circumference of the drum and corresponds to a nozzle; the stepping drive mechanism drives the drum to rotate step by step, so that the strip-shaped through-holes rotate intermittently to the corresponding nozzle. In the present invention, a rotating drum is provided, and a strip-shaped through hole is opened on the rotating drum. Each nozzle corresponds to a strip-shaped through-hole. With the rotation of the rotating drum, different positions and different numbers of nozzles communicate with the strip-shaped through-hole correspondingly, so that Multiple nozzles can be opened at one time without opening one by one, and the gas flow adjustment method is convenient, quick and flexible.

The invention discloses a pressing and drawstring double-unlocking connector in the technical field of connectors. The pressing and drawstring double-unlocking connector comprises a body, the conductive module is connected with the body; the elastic sheet module is connected with the body, is clamped with the matched end connector and is used for realizing connection or disconnection between the conductive module and the matched end connector; the pressing unlocking mechanism is connected with the body and is used for releasing the connection between the elastic sheet module and the matched end connector; and the drawstring unlocking mechanism is connected with the elastic sheet module and is used for releasing the connection between the elastic sheet module and the matched end connector. According to the invention, the pressing unlocking mechanism connected with the body and the drawstring unlocking mechanism connected with the elastic sheet module are respectively and independently used for releasing the connection between the elastic sheet module and the matched end connector; the problem that the connector is difficult to unlock in a small space is solved; the unlocking mode can be selected according to the using environment, and meanwhile the requirement for use in a normal unlocking space and a narrow unlocking space is met; the invention relates to fewer parts, has a simple structure and reduces the manufacturing cost.

The invention provides a transmission system for a grate cooler, aims at solving the problems that the transmission system for the grate cooler in the prior art has complex structure, trivial installation, more lubricating points, large maintenance difficulty and poor running reliability and comprising an eccentric shaft, an eccentric wheel, a bearing seat and a locking mechanism; the locking mechanism comprises a front inner side surface and a rear inner side surface which are opposite and form a containing space; the eccentric wheel can freely rotate after being arranged in the containing space; the minimum distance between the opposite front inner side surface and the rear inner side surface is slightly larger than the diameter of the eccentric wheel; the locking mechanism also comprises a fixed structure which is separated from the eccentric shaft and the eccentric wheel and is used for being fixedly connected with the moving cart and fixing the opposite position between the frontinner side surface and the rear inner side surface. The transmission system has simple structure, convenient installation, low maintenance frequency and high running reliability. The invention also provides a transmission structure applying the transmission system and the grate cooler simultaneously, which have same beneficial and technical effects.

The invention discloses a vertical mill speed reducer. The vertical mill speed reducer comprises a box, hydrostatic bearings arranged in the box, and an output flange arranged on the upper portion of the box. At least two hydrostatic bearings are arranged in the box in the circumferential direction and are each provided with a hoisting ring used for being connected with a traction device. Fixed parts used for being connected with the traction devices are arranged in the middle of the box. The output flange is provided with through holes corresponding to the hydrostatic bearings, and the area of the through holes is larger than the section area of the hydrostatic bearings. The outer circumference of the box is provided with observation windows corresponding to the hydrostatic bearings in position. The hydrostatic bearings, the observation windows and the fixed parts are located on the same straight line. Through the vertical mill speed reducer, on-line maintenance performance of the hydrostatic bearings of the ultra-large vertical mill speed reducer is achieved, the condition that after a fault occurs to the hydrostatic bearings, the vertical mill speed reducer has to be pulled out of the lower portion of a mill so as to maintain and replace the hydrostatic bearings is avoided, thus a large amount of maintenance time is saved, a large amount of maintenance cost is reduced, and the security risk occurring when the speed reducer is pulled out is avoided completely.

The invention relates to an LED (Light Emitting Diode) lamp for a light string. The LED lamp for the light string comprises a shell and a circuit board. The shell is characterized by comprising a bottom cover, a fixed plate and a transparent hood. The transparent hood and the bottom cover are fixed together to form a base shell provided with an accommodating chamber. The fixed plate is arranged in the accommodating chamber of the base shell. A slot for a lead to pass through and embed is arranged on the bottom surface of the fixed plate. The bottom cover shields the opening at the bottom of the slot. The circuit board is arranged between the fixed plate and the transparent hood. A first conductive felting needle and a second conductive felting needle are arranged on the fixed plate in a penetrating way. The upper ends of the first felting needle and the second conductive felting needle exposes out of the top surface of the fixed plate and are respectively conducted with the cathode access point and the anode access point of a power supply in the circuit board. The lower ends of the first conductive felting needle and the second conductive felting needle are located in the slot for piercing a surface insulating layer of the lead embedded into the slot and being contacted with the lead. According to the LED lamp for the light string, fewer parts are involved, and the LED lamp for the light string is simple in structure and convenient to assemble.