34results about How to "Avoid dropping" patented technology

The invention belongs to the field of conveying machinery, and particularly relates to a rail-type conveying device. The rail-type conveying device comprises a rack, pushing mechanisms and a driving piece; a guide rail and a cam shaft are arranged on the rack, and the cam shaft is located on the inner side of the guide rail; supporting seats are arranged at the two ends of the cam shaft in a sleeving mode; the cam shaft is rotationally connected with the two supporting seats, and the two supporting seats are fixedly connected with the rack; a cam groove is formed in the cam shaft, and the twoends of the cam groove extend to the corresponding ends of the cam shaft correspondingly; one or more sets of jig assemblies are arranged on the guide rail, the inner side of at least one positioningjig of each positioning jig assembly is provided with a shifting piece, the driving pieces drive the cam shaft to rotate, and the two ends of the cam shaft are provided with the pushing mechanisms correspondingly; the pushing mechanisms push the positioning jigs located above the pushing mechanisms to move along the guide rail; and the pushing mechanisms push the positioning jigs to be attached tothe cam shaft, the cam shaft rotates, the shifting pieces are guided into the cam groove, and the rotating cam groove pulls the positioning jigs to move along the guide rail.

A self-cleaning type television set-top box relates to the field of electronic equipment cleaning. The self-cleaning type television set-top box includes a set-top box and a remote controller with sawteeth on the edge, wherein the set-top box is provided with an accommodating box and a cleaning device; the cleaning device includes a fan, a first gear, a ratchet and pawl mechanism arranged on the first gear, a second gear, a third gear, a fourth gear, a fifth gear meshed with the first gear, a sixth gear, a seventh gear and a coil spring, and the ratchet is coaxially fixed with the second gearand the sixth gear through a sliding shaft; the second gear, the third gear and the fourth gear with a rotating shaft are sequentially meshed; the coil spring is coaxially arranged on the rotating shaft; the fifth gear is arranged on the rotating shaft through a one-way bearing; a wedge block is arranged in the accommodating box, and a cross rod is fixed at the lower end of the wedge block; and the seventh gear that can move down with the sliding shaft to be meshed with the sixth gear is vertically arranged below the sixth gear, the seventh gear is coaxially provided with fan blades, and the fan blades are coaxially arranged on a transmission shaft. According to the scheme, when the remote controller is inserted into the accommodating box, the fan blades can rotate to clean the set-top boxthrough a blowing mode.

The invention discloses a beneficiation method for recycling zinc from lead-floating tailings. The beneficiation method is characterized in that a floating method of distributed activated zinc at a zinc concentration stage is adopted, an activating agent copper sulfate is supplemented during zinc concentration operation for distributed activated zinc floating, dosage of a collecting agent is reduced, environmental pollution is reduced, beneficiation cost is reduced, a zinc concentration off-slot phenomenon is avoided, pulp potential is regulated according to electrochemical behaviors of different minerals, and the grade and the relatively high recovery rate of zinc concentrate are guaranteed. Compared with the prior art, the beneficiation method has the advantages that: firstly, distributed activated zinc concentration operation is creatively disclosed, and electrochemical behaviors of different minerals are controlled, so that zinc blende or marmatite is efficiently separated from pyrrhotite; and copper sulfate is supplemented during zinc concentration operation for pyrrhotite with strong reducibility, so that pulp is guaranteed to have enough copper irons, and therefore, the floating recovery rate of zinc concentrate is guaranteed.

The invention discloses a foot-stepping type trash can. The foot-stepping type trash can comprises a trash can body and a liner closely attached to the inner wall of the trash can body. An opening of the trash can body is externally connected with a trash can cover, an arc-shaped groove is formed in the trash can cover, a pedal is arranged on the side wall of the bottom of the trash can body, the trash can cover winds around the outer wall of the trash can body and a trash can bottom through a connecting rod to be connected with the pedal into a whole, and the end portion of the connecting rod is provided with a boss which slides into a groove in the lower face of the trash can cover along the arc-shaped groove in the trash can cover to lock the trash can cover firmly. The trash can cover is connected with the outer wall of the trash can body through a rotating shaft, the trash can cover can turn over around the rotating shaft, and then the trash can cover is closed or opened. A handle is arranged on the upper portion of the trash can body, the two ends of the handle are symmetrically and fixedly connected to the two sides of the outer wall of the opening of the trash can body, and therefore the trash can can be moved conveniently. The foot-stepping type trash can is convenient to use, the trash can cover can be opened or closed flexibly, and dirty things cannot fall to the foot or the trousers.

The invention relates to a multifunctional safe laundry rack, which is used in the field of household laundry drying, and has the advantages that: firstly, the level of the laundry rack 6 can be switched with a step form through the adjustment of an angle adjusting member 2; in winter, the sunlight is not adjusted to the step form; and the outer laundry does not block the light of the inner side;and secondly, the level of the laundry rack 6 is adjusted to the step form. 2, that square tube 3 of the inn support and the splint 4 of the outer support are connected in a cross way so as to realizethe front expansion and contraction of the airing rod 6 by the push and pull of a human hand. Third, the combination connection design of the clamp ring 1 (9) can effectively prevent the clamp from being dropped accidentally due to hand slip. Fourthly, the limit design of the laundry brace fixing hoop 10 and the laundry brace spring hoop 11 can effectively prevent the laundry from being blown together and stacked by strong wind. 5, adding a shoe drying basket frame 12 on that clothe drying rack so as to integrate the function of clothes drying and shoe drying. 5, adding a telescopic net pocket basket 13 on the clothes dry rack can effectively prevent the objects from falling off and losing due to wind blow.

The invention provides a cell phone dustproof plug. The cell phone dustproof plug comprises a columnar plug body, a plug cover and a decoration piece, wherein the columnar plug body, the plug cover and the decoration piece are arranged in an integrated mode. The plug cover is arranged between the columnar plug body and the decoration piece, and the columnar plug body is arranged in the mode of corresponding to a cell phone earphone hole or a charging hole in shape, wherein the cell phone earphone hole or the charging hole need dust prevention. Lines are arranged in the circumferential direction of the columnar plug body, and one end portion where the columnar plug body is not connected with the plug cover is provided with a tapered inserting head. By means of the cell phone dustproof plug, dust can be prevented from entering a cell phone, and the service life of the cell phone is prolonged; in addition, the lines are arranged in the circumferential direction of the columnar plug body, and therefore accidental falling and loss of the cell phone dustproof plug can be avoided; meanwhile, the tapered inserting head is arranged on the end portion of the columnar plug body, and therefore inserting is convenient.

The invention discloses an air filter, an internal combustion engine and a working machine. The air filter comprises an air filter seat, a shell cover and a filter element, an exhaust gas channel is formed from a second air inlet to an air outlet, and the tail end of the exhaust gas channel at least partially deviates from one side of the filter element adjacent to the exhaust gas channel so as toguide exhaust gas to deviate from the filter element and blow the exhaust gas to the air outlet. During work, the waste gas is blown to the air outlet in the direction deviating from the filter element, is mixed with filtered air in the air outlet area or the adjacent area, then is exhausted and enters other air inlet channels of the internal combustion engine, contact between the waste gas and the filter element when the waste gas is gathered into the air outlet can be effectively reduced, and lubricating oil is prevented from being condensed and gathered on the filter element; and the lubricating oil can be effectively prevented from being attached to the surface of the filter element in the dripping process. The air filter provided by the invention can prevent the filter element from being polluted by the lubricating oil too early in the life cycle to influence the filter effect and the service life of the filter element, and is also beneficial to the participation of the waste gasin combustion work.

The invention discloses a tobacco leaf outer box conveying device comprising a machine frame. The machine frame is provided with a front side conveying device connected with an outer box extracting device and used for conveying tobacco leaf outer boxes, a rear side conveying device connected with an outer box covering device, and a middle conveying device arranged between the front side conveyingdevice and the rear side conveying device. The middle conveying device comprises a middle transmission motor arranged on the machine frame and two middle conveying belts arranged on the two sides of the machine frame in parallel, and the middle conveying belts are provided with middle conveying belt wheels which are connected with a rotating shaft of the middle transmission motor and used for driving the two middle conveying belts to rotate synchronously. Multiple middle load bearing sliding wheels used for load bearing are arranged below the conveying sections on the upper sides of the middleconveying belts, the tobacco outer box conveying device is arranged between the outer box extracting device and the outer box covering device, manual carrying is not needed, efficiency is improved, and outer boxes can be prevented from being damaged.

The invention discloses a multifunctional clamping and cutting chopstick. A cutter is rotationally and movably connected on the rod body and can be contained in a plane formed by encircling of the upper top surface of the rod body; a spring is connected to the bottom of a fixed arm; a forked rod is arranged at the bottom of the spring; a fork head is arranged on the outer wall at the lower end of the forked rod; a rib is arranged on the fork blade on each side; the ribs extend along the fork blade length direction; a plurality of sawteeth convenient for food cutting are formed in the outer side face of the forked blade on each side; a cavity is formed in the upper part of the rod body; a buffer groove is formed in the inner wall of the bottom of the cavity; the end of the fork blade can stretch into the buffer groove; a clamp is arranged on the inner wall of the middle of the cavity of the rod body; a forked rod penetrates through the clamp and is locked and movably connected by the clamp; a wrapping layer is coated on the upper part of the rod body; a transverse anti-drop bulge is formed on the lower end of the rod body and is spiral; and an inner notch is formed in the side of the lower end of the rod body and positioned on one side of the transverse anti-drop bulge.

The invention discloses cigarette box lined paper thin film coating equipment. The equipment comprises a coating equipment processing box and a base storage box, wherein the base storage box is located under the coating equipment processing box, the outer surface of the upper end of the coating equipment processing box is provided with a liquid storage tank and a stepping motor, the stepping motoris located at one side of the liquid storage tank, and the outer surface of one side of the coating equipment processing box is provided with a control machine. The cigarette box lined paper thin film coating equipment has the advantages that a drying box, a first baffle plate and the base storage box are arranged, processed lined paper thin film can be effectively dried and can be directly stored after being dried, thereby omitting the next drying process and improving the processing efficiency, the problem of the offset caused when the cigarette box lined paper thin film is processed can besolved, maintenance tools and use tools can be stored and finished respectively to prevent the maintenance tools and use tools from being lost, the cigarette box lined paper thin film coating equipment has a certain practicability and brings a better use prospect.

The invention discloses man-machine auxiliary communication equipment for English translation, which comprises a translation machine, and a protection assembly is arranged on the outer side of the translation machine. According to the man-machine auxiliary communication equipment for English translation, the shell and the bottom cover are arranged, a clamping plate abuts against a translation machine under the action of a spring, the translation machine can be protected, the shockproof and buffering effects on the translation machine can be achieved, the service life of the translation machine is prolonged, the use stability and safety of the translation machine are guaranteed, and meanwhile the translation machine is convenient to use. Through the arrangement of a rubber block and a through groove, the shell can be protected when the shell falls off, the protection effect and continuity are further improved, a locking effect is achieved when the shell and the bottom cover are connected, accidental separation of the shell and the bottom cover is avoided, the protection effect is further guaranteed, a hand can be inserted into an elastic band and the shell, and the hand is bound; therefore, the device is prevented from falling off from the hand, the use safety is further improved, and people can use the device conveniently.

The invention provides a delivery device and a vending machine. The delivery device comprises a goods channel, a limiting groove and a first driving motor, wherein the tangent plane of the goods channel is concave; the limiting groove is a column-shaped groove and is used for being installed at a delivery port of the goods channel in order to limit the goods of the goods channel in the concave groove of the limiting groove; and the first driving motor is arranged at a preset position of a second goods plate and is used for driving the limiting groove to rotate by 360 degrees in order to rotatethe limiting groove to a delivery state from an initial state and then rotate the limiting groove to the initial state. By means of a design mode of the limiting groove, only one piece of goods can be sold at each delivery, and the goods can be prevented from simultaneously falling off (being mistakenly sold) at a time; in addition, through the design, when the vending machine is in a non-delivery state, the limiting groove can be used for limiting the goods in the concave surface of the limiting groove, and a problem that the goods can fall mistakenly due to shaking of people or other reasons is avoided.

The invention relates to a novel ring U disk, comprising a ring ring, a U disk main body magnetically connected with the ring ring, wherein the U disk main body comprises a bottom box, one side of thebottom box is provided with an opening, and a cover plate magnetically adsorbed with the bottom box is arranged at the opening; the bottom box is provided with a sliding U disk assembly and a flipping U disk assembly which are movably connected with the bottom box. The ring U disk sleeves the us's finger. The ring U disk has the advantages of simple structure, low cost, convenient manufacture, and can effectively prevent air, dust and water from polluting the U disk, thereby prolonging the service life of the U disk. The design of the two U disk assemblies prevents the temporary damage of theU disk, and the U disk of the other U disk assembly can be used, which is convenient to use, convenient to carry and not easy to be lost.

The invention provides a lifting device for a cable well and the cable well and relates to the technical field of electrical equipment. The lifting device comprises a lifting mechanism, a supporting mechanism and a protective structure, wherein the lifting mechanism is connected with the supporting mechanism and is used for driving the supporting mechanism to rise or fall; the protective structureis arranged on the supporting mechanism and is used for rising or falling along with the supporting mechanism. The lifting device and the cable well provided by the invention have the beneficial effects that in the technical scheme, the lifting mechanism is utilized for controlling rise or fall of the supporting mechanism, and by rise or fall of the supporting mechanism, the protective structureis driven to carry out actions of rising or falling in the cable well, therefore, a worker does not need to carry a ladder during construction in the cable well, and can be convenient and safe to riseor fall in the cable well only by controlling the lifting mechanism to carry out indirect lifting control on the protective structure, and the effect is very obvious especially in a deeper cable well.

The invention discloses a respirator grip clamp, and relates to the technical field of winding tools. The clamp is structurally characterized in that the bottom of a vertically-arranged handle (4) is connected with horizontally-arranged semicircular hoops (2) through a connecting portion (3), the two semicircular hoops (2) are connected together through a reel (1) at the ends of the semicircular hoops (2), and the top end and the middle of the handle (4) are horizontally and fixedly connected with a connecting rod (5); the end parts of the two connecting rods (5) are vertically and fixedly connected with semicircular arc rods (6); and the semicircular hoops (2), the connecting parts (3), the handles (4), the connecting rods (5) and the semicircular arc rods (6) are symmetrically arranged in pairs. The invention has the beneficial effects that one person can easily complete the operation, the gripping clamp is provided with the lifting handle and the locking structure, the device is more convenient to carry, the working efficiency is improved, meanwhile, the respirator can be prevented from slipping out of the hand and falling off, and the device has a very high popularization value.

The invention discloses an air filter for an internal combustion engine. A mounting hole is formed in a shell cover, wherein a handle shaft is rotatably mounted in the mounting hole. A handle and a fixed block which rotate along with the handle shaft and are larger than the mounting hole in radial dimension are separately arranged at the outer end and the inner end of the handle shaft; a fixed hole is formed in an air filter seat, and the fixed hole is matched with the cross section shape of a fixed block and is eccentric. On the one hand, relative positions of the air filter seat and the shell cover can be locked, and thus, the shell cover and the air filter seat can be combined stably and reliably, so that vibration is avoided. On the other hand, in a full course of detaching the shell cover relative to the air filter seat, the handle is not separated from the shell cover all the time, so that the handle can be prevented from missing reliably. The air filter is simple in structure, convenient to operate and low in cost. The invention further discloses the internal combustion engine comprising the air filter and a generator with corresponding technical effects.

The invention discloses a compound type storage type clamping chopstick. A rod body is provided with a splayed through hole capable of being used as a bottle opener; the bottom of a fixed arm is connected with a spring; a fork rod is arranged at the bottom of the spring; a fork head is arranged on an outer wall of a lower end of the fork rod; the fork head comprises fork blades at two sides; end parts of the fork blades at the two sides are combined at the outer wall of the lower end of the fork rod; the rod body is provided with a cavity; a buffering groove is formed in an inner wall of the bottom of the cavity; end parts of the fork blades can stretch into the buffering groove; a lateral buffering cushion is arranged on an outer side face of the middle of the fork blade at each side; a fork is in thread connection with the rod body through matching an internal thread of the cavity and an external thread of the fixed arm; a hoop is arranged on the inner wall of the middle part of the cavity of the rod body and the fork rod penetrates through the hoop and is locked and movably connected through the hoop; a covering layer covers the upper part of the rod body, and a transverse anti-slipping bulge is arranged at the lower end of the rod body; the transverse anti-slipping bulge is in a spiral shape; an inward concave hole is formed in the lateral of the lower end of the rod body, and the inward concave hole is formed in one side of the transverse anti-slipping bulge.

The invention discloses a combined type multifunctional safe clothes airing rack and belongs to the field of household clothes airing. The airing rack has the advantages that clothesline poles (4) adopt a stepped type design and can be retractably stored, and therefore the problems that people cannot reach outer poles with hands and the outer poles block light for inner poles are solved at the same time; clothes support limiting hoops (11) and spring hoops (12) can be moved to any part of the clothesline poles, reasonable partition positioning is achieved, and the problem that clothes supports(C) are blown to one end by strong wind and stacked with one another is solved; by adding a shoe airing basket (10) on a clothes airing rack body, the functions of airing clothes and shoes can be integrated, the capacity is expanded, and the shoe airing basket and the clothes airing rack body do not interference with each other; after a net basket (13) is added on the clothes airing rack body, itcan be ensured that aired clothes cannot be blown away by strong wind, and not only can economic loss caused by loss of the clothes be avoided, but also safety accidents caused by falling objects canbe avoided. A wall fitting bracket assembly (1) penetrates wall fixing holes (1-2) through external expansion screws and is fixed to a wall body (A).

The invention belongs to the technical field of electronic accessories, and particularly relates to a recovery device for automatic door control electronic accessory detection. The recovery device comprises a base, wherein an electric telescopic rod is arranged at the top of the base; a recovery box is fixedly connected to the telescopic end of the electric telescopic rod; a recovery area is arranged in an inner cavity of the recovery box, an accessory disc is fixedly connected to the inner side wall of the recovery area; a plurality of sets of strip-shaped grooves are vertically formed in thetop of the accessory disc; soft leather sleeves are symmetrically distributed on the inner side walls of the strip-shaped grooves; and adjusting springs sleeve the soft leather sleeves. According tothe recovery device, the accessory disc and the strip-shaped grooves are arranged, so that detected or to-be-detected electronic accessories can be stored and recovered in a very orderly mode, the electronic accessories are prevented from being lost, and the safety is improved; and a connecting sliding groove, a base plate, a connecting sliding block, a connecting rod, a damping spring and a limiting plate are arranged and matched, so that the safety and the stability of transportation are greatly improved, and the electronic accessories can be better recovered.

The invention discloses a pair of multipurpose clamping chopsticks. A splayed through hole served as a bottle opener is formed in a rod body; a pothook is arranged on the rear side of the rod body; a spring is connected with the bottom of a fixed arm; a fork rod is arranged at the bottom of the spring; a fork head is arranged on an outer wall at the lower end of the fork rod; a plurality of saw teeth for cutting food are arranged on the external side wall of fork blade on each side; the saw teeth on two sides are symmetrically arrayed; a circle of internal thread is arranged on an inner wall at the top of a cavity; a circle of external thread is arranged on an outer wall of the fixed arm; the internal thread of the cavity is matched with the external thread of the fixed arm, so that the fork is in threaded connection with the rod body; a hoop is arranged on the inner wall of the cavity of the rod body; the fork rod passes through the hoop and is movably locked through the hoop; a wrapping layer is coated on the upper part of the rod body; a horizontal anti-sliding bulge is arranged at the lower end of the rod body; the horizontal anti-sliding bulge is of a spiral shape; an inner notch is formed in the lateral side at the lower end of the rod body; the inner notch is located at one side of the horizontal anti-sliding bulge.

The invention discloses a multipurpose buffer-clamping type chopstick. A splayed through hole used as a bottle opener is arranged on a rod body, a hook is arranged on the back side face of the rod body, a spring is connected at the bottom of a fixing arm, a fork rod is arranged at the bottom of the spring, the ends of fork blades on two sides are combined to the outer wall of the lower end of the fork rod, ribs are arranged on the fork blades and extend along the length directions of the fork blades, a plurality of sawteeth convenient for cutting food are arranged on the outer side faces of the fork blades, a lateral buffer pad is arranged on the outer side face of the middle of each fork blade, a fork is in threaded connection with the rod body through an internal thread of a cavity and an external thread of the fixing arm, a clamping hoop is arranged on the inner middle wall of the cavity of the rod body, the fork rod passes through the clamping hoop, a wrapping layer made of rubber wraps the upper portion of the rod body, a spiral transverse anti-slip projection is arranged at the lower end of the rod body, and a recess is formed on the lower side of the rod body and positioned on one side of the transverse anti-slip projection.