91results about How to "Realize automatic pop-up" patented technology

The invention discloses an SIM (subscriber identity module) card connector having an automatic software driver ejection function and a terminal device comprising the SIM card connector. The SIM card connector having the automatic software driver ejection function comprises a base and a card holder for accommodating an SIM card, wherein the card holder is movably arranged on the base; a driving device, a push rod assembly and a detection device are further arranged on the base; when software receives a card holder ejection instruction, the driving device outputs power according to the card ejection instruction and drives the push rod assembly to move from a state in which the push rod assembly is locked with the card holder to a state in which the push rod assembly is unlocked with the card holder, a radial spring is arranged between the push rod assembly and the card holder, and the unlocked push rod assembly ejects the car holder out under the action of the radial spring; when the detection device detects insertion of the SIM card, the driving device outputs power according to a card insertion instruction and drives the push rod assembly to move from the state in which the push rod assembly is unlocked with the card holder to the state in which the push rod assembly is locked with the card holder, so that the SIM card is ejected out automatically in a software manner, a card retrieve pin is not needed, and the operation is more convenient.

The present invention discloses a mobile terminal and an antitheft method and an antitheft device thereof. The device comprises a locking assembly used for locking a SIM card, and a drive module used for driving the locking assembly to execute corresponding operations according to operating instructions, wherein the operating instructions indicate operations executed to locking states of the SIM card, the locking assembly and the drive module are in drive connection, and the locking assembly is arranged inside a SIM card slot inside the mobile terminal. With adoption of the antitheft device, when the SIM card of the mobile terminal needs to be replaced, a drive instruction needs to be sent to the antitheft device in the mobile terminal through the mobile terminal so as to drive the antitheft device to unlock the SIM card after receiving the drive instruction, and with additional arrangement of a SIM card popup device on the antitheft device, automatic popup of the SIM card can be realized. That is, the SIM card cannot be taken out by ordinary means, and thus the situation that a stolen mobile phone can be normally used only by replacing the SIM card is eradicated.

The invention discloses a socket capable of automatically popping out a plug. The socket comprises a panel with jacks, wherein a push plate is arranged in the socket and is supported by a compression spring below the push plate; a support pillar which is perpendicular to the panel is arranged above the push plate; the panel is provided with a through hole corresponding to the support pillar; a locking device is arranged on one side of a clamping port in the sidewall of the support pillar and comprises a spring pin matching with the clamping port, a poking wheel corresponding to the spring pin, a metal poking sheet located at one side of the insertion position of a metal sheet of the plug, and a sliding wheel for connecting the poking wheel with the metal poking sheet; the poking wheel and the sliding wheel are coaxially arranged on a fixed shaft; the metal poking sheet is connected with an inner ring of the sliding wheel; the poking wheel is connected with an outer ring of the sliding wheel; poking teeth corresponding to a bump on the spring pin are distributed on the circumference of the poking wheel; and the inner ring of the sliding wheel is connected with a positioning shaft through a torsion spring. After the plug is plugged into the socket, the support pillar is automatically locked by the spring pin; and after an electrical appliance is turned on, power is provided normally. When the electrical appliance is turned off, the plug can be popped out automatically to guarantee safety of power utilization.

The invention discloses foldable electronic equipment, which comprises a first cover body, a second cover body, an unlocking switch, a closing detection device and a processor, wherein the first cover body is connected with the second cover body through a movable connection structure and comprises a lock catch; the second cover body comprises a latch; the closing detection device is in signal connection with the processor; the electronic equipment has a closing state and an opening state, the closing detection device is used for detecting whether the electronic equipment is under the closing state or not; when the electronic equipment is under the closing state, the lock catch and the latch are tightly locked, the closing detection device detects that the electronic equipment is under the closing state, and the processor controls the electronic equipment to be under a standby state; when the unlocking switch is operated, the lock catch and the latch are unlocked, the electronic equipment automatically pops to the opening state from the closing state under the function of the movable connection structure, and when the closing detection device detects that the electronic equipment is under a non-closing state, the processor controls the electronic equipment to automatically switch to an operation state from the standby state.

The invention discloses a bus energy storage seat device, and belong to the field of energy storage seat devices. The bus energy storage seat device comprises a seat frame, a flywheel, an electric generator, an energy storage battery, a shaft, a bottom seat, a gear rack, a spring and a gear, wherein the shaft is installed on one face of the bottom seat through a coupler, the gear is fixed at an end of the shaft, stretched into the bottom seat, the other end of the shaft is connected with the electric generator, the electric generator is connected with the energy storage battery through an electric circuit, the flywheel is installed on the shaft and close to the bottom seat, the lower end of the spring is fixed in the middle of the bottom of the bottom seat, the upper end of the spring is supported by the seat frame, the seat frame is installed in the bottom seat through a positioning arc groove, and the gear rack is fixed on the inner wall of a rectangle opening in one side of the seat frame, and meshed with the gear. The bus energy storage seat device achieves an energy storage function for a bus seat.

The invention relates to the field of business desks in top-grade automobiles, in particular to an automatic pop-up device for a cup stand of a business desk in an automobile. The automatic pop-up device comprises a support plate and straight racks, wherein the support plate is a grooved plate which is formed by a bottom plate and side plates on both sides and is through front and back; bulges are arranged on the bottoms of the inner walls of the two side plates of the support plate; the straight racks are in the shapes of long bars; chutes matched with the bulges on the inner walls of the side plates of the support plate are formed in the backs of the racks; two gears are arranged on the back ends, close to the side plates on both sides, of the bottom plate of the support plate, and the gears are meshed with the straight racks; spiral elastic pieces are arranged on the bottoms of the gears; the gears rotate, and thus the straight racks are meshed to slide along the bulges of the side plates of the support plate; circular bulge insertion holes are formed in the middles of the upper parts of the straight racks; circular grooves are formed in the front sides of the insertion holes; the insertion holes and the grooves are connected with other components of the cup stand in a matching manner and drive the other components to slide, to automatically pop the cup stand up. The automatic pop-up device is convenient to use.

The invention discloses an automatic falling ball experiment device, and aims at solving the problems that a falling ball device is relatively large in volume and the falling ball impact force cannot be freely adjusted in the prior art. The automatic falling ball experiment device has the effects that the structure is compact, the impact force on a sample can be freely adjusted, and balls can be automatically recovered after an experiment. According to the technical scheme, the automatic falling ball experiment device comprises an experiment table, an elevator mechanism, a falling ball tube and a storage box, wherein the inside of the experiment table is of a hollow structure; the elevator mechanism comprises an adjusting block, a screw and a screw drive mechanism; a bolt is arranged at the top of the falling ball tube and is connected with a guide block through a spring; a guide groove is formed in the side surface of the falling ball tube; and the guide block is controlled to slide by a cam mechanism along the guide groove.

The present invention discloses a pressure sensor with a protection rod. The pressure sensor comprises a device body which is a cavity structure, and rotating bolts are both installed at the bottom ends of the outer walls at the two sides of the device body and are fixed with rotating rods. The other ends of the rotating rods penetrate the wall body of the device body and are fixed with winding reels, and the rotating rods extend to the cavity of the device body. Second springs are both fixed at the two sides of the inner wall at the bottom end of the device body, the top ends of the second springs are both fixed with fastening buckles, and the top end of the fastening buckles are fixed with the protection rods. The fastening bolts are both installed at the two sides of the protection rodsrotatably, limiting rods are installed at one sides of the fastening bolts rotatably, fourth springs sleeve the limiting rods, and one ends of the fourth springs are fixed with the fastening bolts. The pressure sensor of the present invention is reasonable in structure design, is simple to operate, when being used, can effectively realize the situation that the protection rods pop up automatically when the pressure is too large, thereby protecting. A protection device is high in sensitivity and good in protection effect.

The invention discloses an automatic piece outlet grading stamping die of a book sewer central bracket and a forming method of the automatic piece outlet grading stamping die. The automatic piece outlet grading stamping die of the book sewer central bracket comprises an upper die seat and a lower die seat which are arranged up and down, a material unloading plate and a discharging device. The discharging device comprises an L-shaped bracket, a wedge-shaped sliding block, a torsion spring, a supporting seat, a pushing piece plate and a pushing plate reset spring, one side of the L-shaped bracket is fixed to the upper die seat, the other side of the L-shaped bracket faces down, the wedge-shaped sliding block is hinged to an end head through the torsion spring, the supporting seat is fixed tothe lower die seat, a through groove is formed in the upper end head of the supporting seat, the pushing piece plate horizontally penetrates through the through groove, an L-shaped bending structureis arranged in front of the pushing piece plate, a clamping ring is formed in the rear of the pushing piece plate, the pushing plate reset spring is arranged between the clamping ring and the supporting seat, a grading punching mode and the automatic discharging device are adopted, batch production and automatic discharging are realized, and the production efficiency and the automatic degree are high.

The invention discloses a drawer opening device comprising a motor, a cabinet body, a drawer and a switch for controlling the motor. The motor is connected with a drive mechanism. The drawer opening device is characterized in that the drawer and the drive mechanism are arranged independently, however, the drive mechanism can push the drawer out when the motor is started. Not only the drawer can be bounced out automatically, but also articles, even the drawer or accessories of the drawer, the motor, and the like cannot be damaged in the event that the drawer is possibly prevented from going in and coming out normally when a user fails to place the articles appropriately due to negligence. The drawer opening device can be widely applied to such fields as furniture, wardrobe, disinfector, kitchen cupboard, and the like.

The invention provides an SIM card support ejecting device. The SIM card support ejecting device comprises a card support for placing an SIM card, a card seat for accommodating the card support, a memory metal bracket and a heating device. The heating device is close to the memory metal support. When the heating device heats the temperature to a preset temperature threshold value, the memory metalsupport deforms from a first state to a second state, and when the memory metal support is in the first state, the card support is located in the terminal shell, and when the memory metal support isin the second state, the card support pops up from the terminal shell. The invention further provides a terminal. Through the above scheme, when the SIM card needs to be taken out from the terminal orthe SIM card needs to be installed, the temperature is heated to the preset temperature threshold value through the heating device, so that the memory metal support deforms, the card support is driven to pop out of the terminal shell, automatic ejection of the SIM card support is achieved, the SIM card is convenient to take out or install, the use convenience is improved, and the user experienceis improved.

The invention discloses an automatic popup type drawer assembly. The automatic popup type drawer assembly comprises a drawer body matched with a box, and the drawer body has a closed state that the drawer body enters the box and an opened state that the drawer body retreats from the box. The drawer assembly is further provided with an automatic popup mechanism. The automatic popup mechanism comprises a roll shaft and a coil spring with one end connected to the roll shaft. The coil spring is further provided with a free end away from the roll shaft, one of the roll shaft and the free end of thecoil spring is connected to the drawer body, and the other one of the roll shaft and the free end of the coil spring is connected to the box. When the drawer body is in the closed state, the roll shaft is expanded outwards from the roll shaft. When the drawer body is in the opened state, the coil spring is rolled on the roll shaft. The automatic popup mechanism has rolling force for driving the coil spring to be automatically rolled on the roll shaft so that the drawer body can be automatically outwards bounced off in the closed state to be switched into the opened sate. According to the automatic popup type drawer assembly, the coil spring capable of being rolled on the roll shaft is used for achieving automatic popup of the drawer body, motor drive is not needed in the work process, energy saving and reliability are achieved, the structure is simple, and the automatic popup type drawer assembly is suitable for batched production.

The invention discloses an electronic cigarette matched set with a cigarette case. The electronic cigarette matched set with the cigarette case comprises a first spring, a cigarette sleeve, a rotating shaft, a connecting rod, an electronic cigarette case body, an electronic cigarette and a turning cover which is hinged with the electronic cigarette case body, wherein the electronic cigarette case body comprises a circular groove which accommodates the cigarette sleeve and the first spring and a chamber in which the rotating shaft and the connecting rod are placed, the first spring is positioned at the bottom of the cigarette sleeve, the both ends of the first spring are in contact with the circular groove and the cigarette sleeve respectively, and the circular groove is mutually communicated with the chamber; a concave groove is formed in the external surface of the cigarette sleeve, the connecting rod is mounted in the chamber through the rotating shaft and the connecting rod can be rotated, one end of the connecting rod penetrates through the electronic cigarette case body, and the other end of the connecting rod penetrates through the circular groove to be in clamping connection with the concave groove; the electronic cigarette is connected in the cigarette sleeve in an inserting manner, and one end of the electronic cigarette is in contact with the turning cover in a matching manner. For the structure, the electronic cigarette can be taken out by a hand; the electronic cigarette matched set has the advantages that the structure is simple, the use is healthful, and the extraction is convenient.

The invention discloses a concealed rotary storage system based on a multifunctional cabinet body and a storage method.The system comprises a base, the top of the base is fixedly connected with a cabinet body, the left side of the front of the cabinet body is rotatably connected with a cabinet door, a baffle is fixedly connected between the left side and the right side of the inner wall of the cabinet body, a drawer is slidably connected to the lower portion of the baffle through a sliding rail, a fixing plate is fixedly connected to the top of the inner wall of the cabinet body, and the top of the fixing plate makes contact with the bottom of the drawer.The invention relates to the technical field of cabinet storage. According to the hidden type rotary storage system based on the multifunctional cabinet body and the storage method, through arrangement of a rotary storage mechanism, the storage box can be automatically popped out, the storage box is arranged in the fixing plate, the fixing plate is arranged at the bottom of the drawer, the concealment is very high, and the storage box can be opened only by rotating a handle and a hexagonal sleeve through a special tool, so that the safety is very high, and some valuables can be conveniently stored.

The invention is applicable to the field of dish-washing machines and discloses a dish-washing machine door lock mechanism and a dish-washing machine. The dish-washing machine door lock mechanism comprises a lock body assembly installed on a machine body and a lock tongue installed on a door body, the lock tongue comprises a connection portion which is firmly connected to the door body and a sliding portion which is slidably plugged into and out of the lock body assembly, the lock body assembly comprises a lock body, a locking structure, a power component and an elastic component, wherein the lock body is firmly connected to the machine body and can allow the sliding portion to be slidably plugged therein, the locking structure is installed on the lock body and can lock and locate the sliding portion into the lock body, the power component can drive the locking structure to loosen the sliding portion, and the elastic component can drive the sliding portion to pop out of the lock body automatically after the locking structure loosens the sliding portion. According to the dish-washing machine door lock mechanism and the dish-washing machine, after washing of the dish-washing machine is ended, the door body can be opened automatically through the door lock mechanism of the dish-washing machine so that damp and hot steam in a liner can be discharged in time, the damp and hot steam is prevented from condensing on tableware, the drying effect and drying efficiency of the tableware are improved, and the door lock mechanism of the dish-washing machine is simple in structure, convenient to assemble and high in action reliability.

The invention discloses a method for managing card slot equipment and an intelligent card slot terminal. The method comprises the following steps that the intelligent card slot terminal obtains pressure data information and sends a driving instruction to a card slot drive device in the intelligent card slot terminal according to the pressure data information and a preset control strategy. According to the method for managing the card slot equipment and the intelligent card slot terminal, a card slot is automatically popped up through continuously pressing any one position of a mobile phone, so that the phenomenon that the card slot is damaged or unavailable due to improper human use of a card pin can be greatly avoided.

The invention discloses a device for eye moxibustion. The device comprises an eyeshade, an end cover and a shell which are sequentially connected, wherein the eyeshade is detachably connected to the end cover through an elastic piece; the inner part of the end cover is fixedly provided with three fixing rings which are used for installing the combustion bin at positions corresponding to the eyes of the human body and the Shangen acupoint between the eyes, and the extending directions of the combustion bins are vertical to the eyeshade; and the top end of the end cover is provided with a plurality of ventilation grooves, and the top end of the end cover is in sliding connection with a ventilation plate used for covering the ventilation grooves. The eye moxibustion device disclosed by the invention is simple in structure and convenient to disassemble and assemble, can adjust the combustion temperature of moxa cones in the moxibustion device so as to improve the comfort level of eyes, also enlarges the moxibustion range on the eyes, and greatly improves the moxibustion effect on the eyes.

The invention provides an electric air fryer body. The electric air fryer body comprises a return spring III, a pin rod, a through hole, a limiting ring, a moving rod, a round hole, a connecting holeI, a ring cavity and a connecting hole II, wherein the through hole is formed in the right end surface inside a semicircular slot; the moving rod is arranged inside the through hole, and the left endof the moving rod extends into a blind hole III; the left end of the return spring III is fixed onto the left end surface inside the blind hole III, and the right end of the return spring III is mounted onto the left end surface of the moving rod; the pin rod is mounted at the top of the ring-shaped side surface of the moving rod, so that the stability of the internal structure of the electric airfryer body can be improved; the round hole is formed in the left of the upper end surface of a ring-shaped frame; the ring cavity is formed inside the ring cavity and communicated with the round holethrough the connecting hole I and the semicircular slot through the connecting hole I, so that the electric air fryer body achieves the aim of blowing and cleaning dust. The electric air fryer body is convenient to use and operate and high in stability and reliability.

A buffer rebound locking device comprises a fixed block and a movable block which are connected in a sliding mode; a frame body is arranged on the fixed block, the buffer rebound locking device further comprises a buffer sliding block, a rebound sliding block, a hanging pin, a hanging nail, a first elastic piece and a second elastic piece, and a first sliding groove and a second sliding groove are formed in the frame body; the hanging pin is provided with a first shaft body and a second shaft body, a third shaft body and a fourth shaft body are arranged on the hanging nail; a locking position and a first receding position are arranged at the tail end of the second sliding groove, a second receding position is arranged at the starting end of the second sliding groove, and a pushing block and a buffering hook are arranged on the movable block. According to the buffering rebound locking device, the movable block is pressed after the fixed block and the movable block are buffered and closed, automatic popup of the movable block can be achieved, so that when the buffering rebound locking device is applied to a drawer, the drawer is pressed again after being closed and can automatically pop up, a handle does not need to be arranged on the drawer, so that the drawer has better appearance and the buffering rebound locking device is simple in structure and convenient to use. The device only uses a small number of parts, so that the machining process can be simplified, more cost is saved, and the performance is stable.

The invention discloses a protective device of a pressure sensor. The protective device comprises a device body, the device body has a hollow structure, the bottoms of outer walls on two sides of the device body are both provided with rotational bolts on which rotational rods are fixed, the other ends of the rotational rods pass through the wall body of the device body, the rotational rods stretch into the mold cavity of the device body, winding reels are fixed at the other ends of the rotational rods, second springs are fixed on two sides of an inner wall at the bottom of the device body, buckles are fixed at the top of the second springs, protective rods are fixed at the top of the buckles, two sides of the protective rods are both rotationally provided with clamping bolts, one sides of the clamping bolts are rotationally provided with limiting rods, fourth springs are sleeved on the limiting rods, and one ends of the fourth springs and the clamping bolts are fixed. The protective device is reasonable in structural design and simple in operation, and can effectively realize automatic popup of the protective rods if the pressure is too great when the pressure sensor is used, thereby playing a protective role, and the protective device is high in sensitivity and good in protection effect.

The invention discloses an outdoor movable rotating bulletin board for municipal culture propaganda. The bulletin board comprises a detachable cover plate, an enclosure frame, a spherical bulletin board body and a movable base; the lower end of the detachable cover plate is cooperatively connected with the enclosure frame, the enclosure frame is of a rectangular frame structure, the inner wall ofthe enclosure frame is provided with two placement grooves, and the two placement grooves are symmetrically distributed left and right about the center of the enclosure frame; a wiping pad is clampedinto each placement groove, the upper portion of the right placement groove is provided with a water supply groove communicated with the placement groove, the surface of the enclosure frame is provided with a water pipe which penetrates through the outer wall of the enclosure frame and is inserted in the water supply groove, and the spherical bulletin board body is arranged between the two wipingpads; the bulletin board body is provided with transparent protective covers, the transparent protective covers are automatically ejected under the elastic force of elastic rods and the elastic forceof torsion springs and fixed in cooperation with buckle plates and limiting blocks, and the replacement of announcement information is facilitated.

The invention provides a hinge structure and an electronic device with the same. The hinge structure comprises a base connected to a first part of the electronic device, a mounting frame connected to the upper surface of the base and upwards extending from the upper surface of the base, a power-assisting apparatus connected to the mounting frame, and a rotary part connected with the power-assisting apparatus, connected to a second part of the electronic device and configured to drive the second part of the electronic device to rotate under the driving action of the power-assisting apparatus. According to the hinge structure and the electronic device with the hinge structure, the first part and the second part of the electronic device can automatically and relatively rotate. By use of the technical effect, for example, a supporting leg of a tablet computer can be automatically ejected relative to a main body, and a display part of a notebook computer can be automatically opened relative to a system end.

The invention discloses a convenient environmental protection device, which comprises a body and a base arranged in the body, the bottom end surfaces of the body on the left and right sides of the base are provided with air blowing devices, the inner bottom of the base is provided with an empty groove, and the hollow groove is provided with a blower device. Sliding joint, a pick-and-place area is arranged in the outer wall of the left side of the slip-joint; A second block is provided between a transfer cavity and the mounting groove, a second transfer cavity is provided in the sliding joint above the first transfer cavity, a first block is provided in the second transfer cavity, and the second transfer cavity is provided with a first block. A convex part is arranged in the second adapter cavity above a stopper, a convex shaft is arranged on the top of both sides of the convex part, a magnetic block is arranged at the bottom of the convex shaft, and an electromagnetic coil device is arranged on the top of the corresponding first stopper of the magnetic block. A first elastic piece is arranged between the electromagnetic coil device and the magnetic block, and the bottom of the convex part penetrates the first stopper; the present invention has a simple structure, is convenient to operate, can realize the automatic storage of water pipes, has a small footprint, and improves the cleaning and deodorizing efficiency. .

The invention provides an easy-to-operate cloud platform smart city management device. The device comprises a touch screen, a signal antenna, an electric pushing rod, a controller, a moving rod, a spring, a baffle plate and a clamping plate. The touch screen is arranged on the upper side in the protection box. The electric pushing rod is arranged on the lower end face of the touch screen. The signal antenna is installed on the front side in the protection box. The controller is arranged at the bottom of the protection box. An information input unit is arranged in the touch screen. An information processing module is arranged in the controller. According to the invention, timeliness of the information processing is improved; the moving rod is connected to the back end face of a handle; thespring sleeves the annular side face of the moving rod; the baffle plate is installed on the annular side face of the moving rod; the baffle plate is arranged right behind the spring; and the clampingplate is installed on the back face of the moving rod. Thus, portability of operation is improved. The device is ingenuous in design and quite convenient to operate and information is processed quickly and conveniently.

The invention relates to a novel half block automatic opening mold structure, which is composed of half strips, a spring, guide wedges, a wedge, bolts, a lower mold and a middle mold; the spring is located between the two halves; the guide wedges are located at the left and right position of the halves; the entire half strips cooperate through the wedge; the guide wedges and the wedge are assembled on the lower mold by a bolt; and the middle mold is arranged on the lower mold. The guide wedges play the role of guiding and cooperating. The pre-pressure length of the spring can be chosen according to the outer diameter of the whole structure. The angles of the guide wedges and the length of a cooperating surface can be designed according to the outer diameter of the whole structure. The invention has the advantages of high production efficiency and low labor intensity of workers, can realize the functions of automatic bounce and automatic clamping of the half strips, omitting of manual prying and closing of the half, and no trimming connection between the two half products and reduction of auxiliary production time.

The invention relates to a locking control mechanism of an automatic door lock. The locking control mechanism comprises a lock tongue, a trigger component arranged in an accommodation space (2) in a lock case or the lock tongue (2) and a locking component which is acted between the lock case and the lock tongue component and used for locking, wherein the trigger component comprises a touch rod (3) and a touch rod bias mechanism used for applying bias pressure to the touch rod (3); one end of the touch rod (3) is protruded out of a front panel of the lock case to form an actuating head (5), and the other end of the touch rod (3) is a trigger part (8); the actuating head (5) is moved to an effective trigger position or an invalid trigger position under the acting force on a door frame, which is opposite to a door opening direction or a door closing direction, so as to ensure that the locking to the lock tongue component of the locking component is relieved, and the lock tongue is automatically popped up to lock the door or keep a locking state to the lock tongue component.

The invention discloses a pair of folding type glasses which comprise a first glasses leg, a second glasses leg, a first glasses body, a second glasses body and a middle beam mechanism for connecting two glasses frames, wherein the middle beam mechanism comprises a first connecting piece and a second connecting piece; the first glasses body and the second glasses body can rotate by taking a first pin shaft as a support point, so that the glasses can be folded; a third connecting piece capable of containing the width of a finger is arranged at the outer side of the first glasses body; a fourth connecting piece capable of containing the width of the finger is arranged at the outer side of the second glasses body; two first drag hooks are respectively arranged at the upper side and the lower side of the head of the first glasses leg; two first buckling positions are respectively arranged at the upper side and the lower side of the head of the second glasses leg; and the first drag hooks are matched with the first buckling positions. Therefore, the glasses frames are wider than the glasses legs when the glasses are folded, namely, the first glasses body and the second glasses body are locked by the first glasses leg and the second glasses leg, so that the reasonable proportion of the glasses legs and the glasses frames can be guaranteed.

The invention discloses an easy-paper-feeding printer comprising a frame which is composed of a paper-containing box, metal plugs and a single-chip microcomputer controlling circuit. The paper-containing box is positioned on the bottom of the frame. The paper-containing box is composed of a base plate, locking holes, springs and a metal contact. The locking holes are positioned on two outer sides of the paper-containing box. The springs and the metal contact are positioned on the back of the paper-containing box. The metal plugs are positioned on two inner sides respectively on the left and the right of the frame. The metal plugs can be inserted into the locking holes, such that the paper-containing box can be fixed. The single-chip microcomputer controlling circuit, the metal plugs and the metal contact form electric connections through metal conducting wires. The invention discloses the easy-paper-feeding printer. The design of the paper-containing box of the printer is unique. Through the controlling of a 51 single-chip microcomputer, when there is no paper, the paper-containing box can be popped out automatically, such that paper feeding can be conveniently carried out in time. Therefore, the easy-paper-feeding printer is practical.