45results about How to "Suction tight" patented technology

The invention discloses a charging dock for a chargeable hand-held device, which overcomes the disadvantages of the conventional charger, in particular that meets the requirement of beautiful charger contact and allows the hand-held device to be quickly decoupled from the charging dock. The charging dock has a charger contact device (11) including annular magnets (12), which are brought in operative contact with ferromagnetic material. Another charger contact device (111) is provided in a hand-held device (112) that is partially formed from ferromagnetic material. The contact device (11) of the charging dock and the contact device (111) of the hand-held device (112) are correspondingly brought in contact in a common charging system (121).

The invention relates to a float type liquid level gauge for high temperature and high pressure or high pressure and low density medium, including a float chamber, a float, and a scale. The coupling is equipped with magnetic steel or disc-shaped magnetic steel, which forms a magnetic attraction with the magnetic material sphere in the non-ferromagnetic material float or the disc-shaped magnetic steel in the non-ferromagnetic material float, and is horizontally mounted on the magnetic coupling. The metal shafts on the two side walls are exposed outside the two side walls and are closely attached to the guide rails by the magnetic force, and move up and down along the guide rails driven by the magnetic force. The continuous remote transmission of signals is also realized by winding the resistance wire on the guide rail to measure the change of the loop resistance value. The invention solves the problem of liquid level measurement in high-temperature, high-pressure or high-pressure, low-density media, and has high measurement accuracy, simple structure, convenient use, low manufacturing and maintenance costs, and wide application.

The invention discloses a screw structure and a screw driving device. The screw body comprises a threaded part and a driving part. The end face of the outer side of the screw body is the driving part. The screw driving device comprises a sucker, a shaft lever and a driving mechanism driving the shaft lever to rotate. According to the screw structure, the attractiveness of a product can be greatly improved, the surface attractiveness of the screw can be effectively protected through the screw driving device, and universality and applicability of the screw driving device are extremely high.

The invention discloses a magnetic handle, which comprises two magnetic actuators and a rotation adjustment mechanism connected between the two magnetic actuators; the magnetic actuator includes a magnetic seat, a middle connecting plate, a bearing arm, an elastic positioning mechanism and handle; the upper end surface of the magnetic base is fixedly connected to the load-bearing arm through the intermediate connecting plate; a through hole is opened on the intermediate connecting plate, and an elastic positioning mechanism connecting the upper end surface of the magnetic force base is arranged in the through hole; one end of the bearing arm is connected to the handle On one side, the other side of the handle is provided with a connecting arm for connecting the rotating adjustment mechanism; the rotating adjusting mechanism includes a ratchet, a pawl, a rotating shaft and a spring, the ratchet is fixed on the connecting arm of a magnetic actuator, and the rotating end of the ratchet The connection arm of another magnetic actuator is connected through the rotating shaft, and the big end of the ratchet is connected with the handle of another magnetic actuator through a spring. The invention has the advantages of simple structure, convenient use, stability and reliability, and can realize non-scratch and non-stain assembly of precision ferromagnetic workpieces.

The invention relates to a float type liquid level gauge, which includes a float, a scale and a luminous wheel, and is characterized in that it also includes a conductive or magnetically conductive guide rail, and the luminous wheel includes an insulating box, a light source, and two horizontally arranged magnetic shafts Or a metal shaft and two wires that supply power to the light source. For a magnetic float level gauge, the luminous wheel also includes a magnet steel. Under the action of magnetic force, the magnetic shaft or metal shaft moves up and down along the guide rail as the float moves up and down. , timely and accurately realize the local indication of the liquid level; or by winding the resistance wire on the guide rail, the corresponding liquid level value can be obtained by measuring the resistance value in the conductive circuit composed of the guide rail, magnetic shaft or metal shaft, wire and light source, etc. Realize continuous remote transmission of liquid level data. Pulleys, counterweights, coupling ropes or coupling straps can also be included to balance the luminous wheels. The invention has the remarkable characteristics of simple structure, clear and eye-catching local indication, sensitive and accurate measurement, and continuous remote transmission signal.

The invention belongs to the field of building doors and windows, and is specifically an adjustable sealing window; it includes a window frame, a No. 1 film, a rubber column, a No. 1 cavity, a No. 2 cavity, a push rod and an air bag; On the surface of the window frame, the edge of the No. 1 film is wavy, and the center of the rubber column is provided with a No. 3 cavity; there is a No. 1 cavity on the left side of the window frame, and a cylinder is arranged inside the No. 1 cavity. The upper side of the airbag is connected with the upper side of the No. 1 cavity through the No. 3 spring, and the front side of the lower end of the push rod is fixedly connected with a No. 1 rod; the inside of the air bag is uniformly equipped with a No. 1 spring; the present invention is used for sealing and ventilating between bathrooms. Adjustment, you can pull the No. 1 rod downward to drive the push rod to compress the air bag, so that the gap between the rubber columns can be closed to realize the sealing of the bathroom. By pulling the No. 1 rod upward, the push rod can be driven upward, and the air bag expands to make the rubber column The gap between them becomes larger to realize the air circulation between the bathroom and the outside world.

The invention discloses an electromagnetic valve, comprising a valve base (2), a sleeve (5) connected with the valve base (2), and a coil (10) outside the sleeve (5). The valve base (2) is provided with a valve opening (9) and is fixed with a medium inlet pipe (1) and a medium outlet pipe (3); a static iron core (8) and a movable iron core (6') are arranged in the sleeve (5), a spring is arrangedbetween one end of the movable iron core (6') and the static iron core (8), a containing part (62') and an end part (63') are arranged at the other end of the movable iron core (6'), the containing part (62') contains a sealing element (4) that opens or closes the valve opening (9), and a gap is arranged between the end part (63') and the sealing element (4). In the invention, the reliable operation of the electromagnetic valve is guaranteed without increasing the diameter of the iron core or the cost.

This invention publicized belonged to the diesel engine fuel injection installment one kind of electric control in line combination to pump / the valve - tube - mouth to spray the diesel oil injection system. Should the injection system mainly include the electronic control unit, in line the combination pumps / the valve mechanism, the high-pressure oil pipe, the spray hole and the low pressure fuel oil system. The characteristic is in line the combination pumps / the valve mechanism plunger partner to use the direct jack-in type structure, in pump body in-line type arrangement; The plunger partner's plunger crown does not have the skewed slot, only undertakes for the oil and pressurizes the function; Integrates on in in the plunger partner plunger cavity high-pressured oil duct has the high speed solenoid valve module, solenoid valve coil and the electronic control unit is connected, by electronic control unit through solenoid valve direct control fuel injection process; This system not only causes the oil pump structure to simplify, the intensity increases, greatly enhanced has supplied the oil pressure, moreover caused for the oil process and the adjustment process decoupling, has realized through the high speed solenoid valve module to fuel injection the process direct digital control; The blow rule for a more ideal wedge, has the low initial blow rate, high host spraying rate, the fast high-pressured unloading and the remaining fluctuation of pressure are small and so on the merit: Also system layout simple, transforms few to the engine main body, the transplant is convenient.

The invention discloses a protective structure for an abutment, and relates to the technical field of abutments. According to key points of the technical scheme, the protective structure includes a pile hole formed in a soil layer, a waterproof device is arranged in the pile hole, and the waterproof device includes a concrete layer laid in the pile hole, an acid-proof steel plate installed at thebottom of the concrete layer, a plurality of groups of fixing mechanisms which are installed on the acid-proof steel plate and used for fixing the acid-proof steel plate to the soil layer, and a waterproof assembly arranged around the acid-proof steel plate; and the waterproof assembly includes inserting grooves formed around the acid-proof steel plate and an arc-shaped ring which is inserted intothe inserting grooves and connected to the inner circumferential surface of the concrete layer in an abutting mode, the arc-shaped ring is arranged protruding the top of the soil layer, the arc-shaped ring is composed of an acid-proof steel material, and a first sealing ring is arranged between the inner circumferential surface of the arc-shaped ring and the outer circumferential surface of the acid-proof steel plate. According to the protective structure for the abutment, the possibility of water in the soil layer being contact with the abutment can be decreased, and thus the service life ofthe abutment can be prolonged.