33results about How to "Avoid being exposed" patented technology

The invention relates to the technical field of textile manufacturing and processing, in particular to a covering yarn production device and method. In order to solve the technical problem that an existing compact spinning cotton web is too narrow to benefit filament covering, so that the quality of covering yarn is affected, the covering yarn production device comprises a flare opening, a first roller, a second roller, a third roller, a negative pressure pipe and a ring from top to bottom in sequence. A groove formed in the ring comprises a first end opening and a second end opening, wherein the first end opening is formed above the second end opening, and the width of the first end opening is larger than that of the second end opening. Fiber strands are subjected to drafting, stretching and reducing and then fed into the groove, namely a negative-pressure suction port, a filament volume is subjected to active unwinding and rotation of a loading roller, filaments are drawn forth, the filaments pass through a filament guide wheel and then are fed into a compact spinning leather roller, the compact spinning leather roller applies pressure on the negative-pressure suction port, core yarn covering is facilitated, filament covering cotton is avoided from being exposed to the outside, and the production quality of the covering yarn is improved.

The invention belongs to the technical field of battery manufacturing, and particularly relates to a battery top cover assembly structure. The battery top cover assembly structure comprises a first pole, a second pole and a top cover sheet, the first pole is provided with a first welding ring, the second pole is provided with a second welding ring, the top portion of the first pole is encapsulatedwith a first plastic piece matched with the first welding ring, the top portion of the second pole is encapsulated with a second plastic piece matched with the second welding ring, the first pole andthe second pole pass through the seal ring and are installed at the top cover sheet. By arranging an encapsulating structure of the top cover aluminum ring and the poles, the problem of generation ofa metal wire is solved, the safety of the battery is improved, the overcurrent capacity of the poles is ensured, and the production process is simplified, so that the production cost is reduced. Besides, the invention further discloses a battery top cover assembly method.

The invention provides a liquid pump with an outside mounted spring. The liquid pump comprises a pressure head, a tooth sleeve, a liquid storage tank formed by a cylinder, a piston assembly, and a reset compression spring arranged between the pressure head and the tooth sleeve and used for enabling the pressure head to upwards move in the axial direction corresponding to the tooth sleeve. The pressure head is provided with an upper spring base; and the tooth sleeve is provided with a lower spring base. The pressure head has a bushing extending downwards; the tooth sleeve has a bushing extending upwards; and the two bushings can be telescopically nested with each other. According to the liquid pump, the upper end of the spring is pressed against the upper spring base through being sleeved in a sleeve piece; and in an upper dead center position of pressing travel, the lower end of the bushing of the pressure head is separated from the upper end of the bushing of the tooth sleeve in the axial direction, and the lower end of the sleeve piece extends to a position lower than the upper end of the bushing of the tooth sleeve. The liquid pump can effectively solve the problem of unsmooth rotation of the pressure head or even getting stuck corresponding to the tooth sleeve, and can realize the needed pressing travel with relatively smaller size.

The present invention discloses a wire winding device of a relay. The wire winding device of the relay comprises a mounting base; the mounting base is provided with a wire winding assembly; the wire winding assembly comprises a wire winding groove and a coil lead-out sheet; and the coil lead-out sheet is arranged in the wire winding groove. According to the wire winding device of the relay, the rear end of the mounting base is provided with the wire winding groove; a coil lead-out sheet positioning hole is formed at the bottom of the wire winding groove; one end of the coil lead-out sheet passes through the coil lead-out sheet positioning hole and enters the wire winding groove; an enameled wire sleeves and is wound on a coil frame; two ends of the coil are connected with the coil lead-out sheet in the wire winding groove through an initial groove and an end groove respectively; and therefore, wire wound ends will not be exposed and damaged.

The method discloses a tracking prevention method and terminal. The method comprises the steps of presetting safe location information in terminal equipment; and feeding back the safe location information to a location requester when the terminal equipment receives a location request. When the tracking prevention method provided by the invention is carried out, a user can preset the safe location information in the terminal equipment, when the terminal equipment receives the location request of other terminal equipment, the safe location information preset by the user can be fed back to the other terminal equipment sending the location request, in this way, a current real geographical location of the user can be prevented from being exposed, the user is prevented from being tracked by others maliciously, the personal privacy of the user is effectively protected, and the user experience is improved.

The invention discloses a motor brush holder and a preparation method thereof. The motor brush holder comprises an one-time injection molding shell, a two-time injection molding shell and a circuit piece, wherein the one-time injection molding shell is provided with a mounting through hole, and the circuit sheet comprises a first conductive sheet, a second conducting piece, a first conducting block, a second conducting block, a first conducting hole, a second conducting hole, a first transition conductive piece, a second transition conductive piece and a punching piece. The first conductive block, the second conductive block, the first transition conductive sheet and the second transition conductive sheet are injected into the one-time injection molding shell. The first conducting block and the second conducting block are exposed outside the one-time injection molding shell with set explosion parts, and the rest parts are completely wrapped by the one-time injection molding shell. Themotor brush holder and the manufacturing method thereof solve the problem that an electric brush is exposed, and prevent the abnormal invasion of conducting media. The performance of the product is more stable and durable, and the requirements of customers are met to the largest extent.

The invention discloses an automatic tail fiber storage device used for storing a tail fiber with a joint. The automatic tail fiber storage device comprises a box, a fixed pulley block, a movable pulley block, a first compression spring and a clamping device, wherein a tail fiber inlet hole is formed in one side of the box; the fixed pulley block is fixed on the right part of an inner cavity of the box, and the movable pulley block can be located in the inner cavity of the box in a bilaterally sliding manner and is located on the left side of the fixed pulley block; the first compression spring is matched with the movable pulley block to enable the movable pulley block to have a trend of leftward movement; the tail fiber enters the box via the tail fiber inlet hole, winds around the fixedpulley block and the movable pulley block and then penetrates out of the tail fiber inlet hole to the outside of the box; the joint of the tail fiber is located outside the box; the clamping device isdetachably or movably clamped on the tail fiber and located outside the box. The device has the advantages as follows: the device is convenient and simple to use and easy to operate.

The invention discloses a genital enlargement device for gynecology, which includes a handle, a fixed plate and a movable support plate. The handle is provided with a gear and a turntable, the gear is arranged inside the handle through a rotating shaft, and the turntable is arranged outside the handle. The turntable is connected with the pin shaft of the gear, the fixed plate is arranged above the handle, the rear end of the fixed plate is provided with an observation port, the movable support plate is arranged under the fixed plate through the rotating shaft, and the movable support plate is provided with a drug delivery tube, an arc Plate and rack, the drug delivery tube is set under the inside of the movable support plate, the arc plate is set at the bottom of the movable support plate, and one end of the arc plate is inserted into the inside of the handle, and the rack is set on the right side of the arc plate. On the side, the rack meshes with the gear teeth. The invention has a simple structure, can conveniently observe the disease, and can easily deliver medicine to the patient through the medicine delivery tube.

The invention relates to the technical field of English teaching equipment, and discloses a multi-mode English teaching device for English teaching. The lower end of a mounting base is movably connected to supporting legs, and the rear ends of the supporting legs are movably connected to an annular base. According to the multi-mode English teaching device for English teaching, the mounting base is powered on to bump up and down along the supporting legs, damping strips are gradually compressed together, the annular base at the front ends of the supporting legs moves under the action of downward pressure, so that the device is gradually lifted to a higher position, in addition, a screw can drive an actuating rod to synchronously operate, certain centrifugal force is generated when the actuating rod rotate, the actuating rod drives the base to rotate anticlockwise, and under the action of the centrifugal force, a push rod pushes a self-locking block to move towards a receiving box, so that the self-locking block is inserted into the receiving box, the stability is improved, the self-locking block is prevented from being exposed outside, meanwhile, the device has a function of adjusting according to actual conditions, the adjustability is improved, so that students can learn better.

The invention relates to an energy-saving light-emitting advertising device and a mounting method thereof. The energy-saving light-emitting advertising device comprises an advertising frame, a liftingmechanism, an anti-falling cylinder and a solar lamp module, and the advertising frame comprises an embedded column body, a vertical column body, a longitudinal column body, a box body base, a diagonal draw bar, a covering ring and the like; the lifting mechanism comprises a driving motor, a first rotating shaft, a second rotating shaft, a transmission gear set, a first take-up wheel, a second take-up wheel, a third take-up wheel, a first guide wheel, a second guide wheel, a third guide wheel, an advertisement pasting plate and the like. The anti-falling cylinder is arranged on the advertising frame; and the solar lamp module is arranged on the advertising frame. The energy-saving light-emitting advertising device is very high in overall structural strength, workers do not need to climb when advertisements need to be replaced, safety accidents can be avoided, the advertising cloth is very convenient to replace, the advertising cloth can be prevented from being wetted, the service lifeof the advertising cloth can be prolonged, and a good advertising display effect can be kept for a long time; and the mounting method is very simple and convenient, and the effect of rapid installation can be achieved.

The invention provides a rear cover structure of an automobile regulator. The rear cover structure comprises a regulator rear cover main body, an adhering mechanism and a protection mechanism; the regulator rear cover main body comprises a support, installation lugs, electric wires, an indicator lamp, cooling fins and a cover plate; the adhering mechanism comprises connecting strips; the connecting strips are located on two sides of the bottom end of the cover plate; limiting heads are arranged at the bottom ends of the connecting strips; fixing blocks are arranged at two ends of the interiorof the support; limiting grooves are formed in the top ends of the fixing blocks; limiting rings are arranged on the inner walls of the limiting grooves; the connecting strips are positioned in the limiting grooves; the limiting heads are located at the bottom ends of the limiting rings; a limiting block is arranged at the bottom end of the interior of the support; and one end of the limiting block is located at the top end of the cover plate. According to the rear cover structure of the automobile regulator, the connecting strips are additionally arranged on the two sides of the bottom end ofthe cover plate, so that the mounting efficiency and production efficiency of the cover plate are effectively improved; and an insulating telescopic sleeve is additionally arranged on the rear surface of the support, so that the safety performance of the regulator rear cover body can be improved.