421results about How to "Reduce installation steps" patented technology

The invention discloses a charging device suitable for a new energy automobile. The charging device comprises a base, a charging pile body, a lifting block, a charging base body and a charging gun head, wherein the charging pile body is mounted on the base, and the charging base body is arranged in the lifting block; a plugging connecting groove is formed in the end surface of the right side of the charging base body, and lock-up grooves are formed in the upper and lower inner walls of the plugging connecting groove symmetrically; a guiding track groove extending to both sides is formed in each lock-up groove in a penetrating mode, a transmission cavity is formed in the charging base body at the left side of the plugging connecting groove, and separating plates are arranged between the transmission cavity and the extending sections of the left sides of the guiding tracks; and a driving rotating shaft is arranged at the middle position of the transmission cavity, driven rotating shafts extending to the left and right sides are arranged in the transmission cavity symmetrically and located at the upper side and the lower side of the driving rotating shaft correspondingly, the extending sections of the right sides of the driven shafts penetrate through the separating plates and are connected with the separating plates in a rotating fit mode, unlocking pushing plates are connected with the guiding track grooves internally in a sliding fit mode, threaded holes are formed in the end surfaces of the left sides of the unlocking pushing plates, and first screws are connected with the threaded holes internally in a matched mode. The charging device is simple in structure, convenient to operate, high in lock-up stability and high in safety.

The invention discloses a composite heat-insulating containment system and a construction method thereof, and aims to solve the problems of an unsmooth installation surface and the like in the prior art. The system consists of an inner side pressure metal plate, an outer side plate, and a heat-insulating layer arranged between the inner side pressure metal plate and the outer side plate, wherein a cavity which divides the heat-insulating layer into an inner layer and an outer layer is formed in the heat-insulating layer. In the structure, the cavity divides the heat-insulating layer into the inner layer and the outer layer, so that installation thickness is smaller, and the system is easy to install; meanwhile, an air layer is formed in the cavity, so that compared with a single-layer heat-insulating layer, the heat-insulating layer effectively improves the heat insulating property and installation quality of the whole wall and a roof under the condition of using heat-insulating materials with the same quality and quantity.

The invention discloses an intelligent lock based on a storage cabinet of the Internet of Things and an operation method of the intelligent lock. The intelligent lock comprises a shell, a panel, a lock body, a motor module, a mechanical unlocking module, a main board module and a fingerprint recognition module. The intelligent lock has the functions of electronic unlocking and automatic locking and also has the functions of manual unlocking and locking. The using safety and operation convenience of the intelligent lock are improved, and the installing cost is reduced.

The invention discloses an electric-shock-proof LED lighting lamp with automatic plug-in power supply, which comprises a lamp holder body and an LED lamp cap assembly for matching and connecting with the lamp holder body. A first cavity is arranged inside the lamp holder body. The rotating sleeve is connected with the rotating sleeve, and the inside of the right side of the rotating sleeve is provided with an internal thread cavity, and the internal thread cavity is provided with a moving block that is threaded and connected, and the right end surface of the moving block is fixed with a connecting rod extending to the right. The upper and lower sides of the connecting rod are symmetrically provided with the first chute. A motor is embedded in the inner wall on the left side of the first cavity. The side inner wall is symmetrically provided with grooves, each groove is equipped with a gear and the lamp holder on the left side is equipped with a second cavity, and the opposite side of the second cavity is equipped with a second chute, the second cavity The body is provided with a sliding block extending into the second chute.

The invention discloses a mute motor inner cover, a mute motor and a dust collector provided with a mute motor. The mute motor inner cover for the dust collector comprises an inner housing defining an accommodating cavity for accommodating a motor body and an outer housing which is an integrally formed part, wherein a first outlet is formed in the side wall of the inner housing, the inner housing is detachably arranged in the outer housing, an airflow channel is defined between the outer housing and the inner housing, a second air outlet is formed in the outer housing, the first air outlet and the second air outlet are respectively communicated with the airflow channel, and a mute cavity is defined in the outer housing, is located between the first air outlet and the second air outlet and is communicated with the first air outlet. According to the mute motor inner cover for the dust collector, the number of parts is decreased, convenience is brought to mounting and dismounting, damage is not likely to occur, and the problem of inverse mounting can be also prevented. In addition, the mute cavity can be defined in the outer housing, and the mute effect of the motor inner cover for the dust collector can be further improved.

The invention provides an electronic expansion valve which comprises a valve body (1), a sleeve (2) connected to the upper end of the valve body (1), a valve seat (5) arranged in the valve body, a nut (6) connected with the upper end of the valve seat and a magnetic rotor (3) which is arranged outside the nut and matched with the upper part of the nut through a screw rod (4), wherein a cavity is formed between the inner walls of the sleeve (2) and the valve body (1) and the outer walls of the nut (6) and the valve seat (5). The electronic expansion valve is characterized by also comprising a baffle plate (15) and a damping channel (151), wherein the baffle plate is arranged in the cavity to divide the cavity into an upper cavity (101) and a lower cavity (103); and the damping channel (151) is communicated with the upper cavity and the lower cavity. According to the electronic expansion valve, because the cavity used for accommodating fluid is divided into the upper cavity and the lower cavity through the baffle plate, and intense interference to the magnetic rotor of fluid pulse is reduced through the damping channel, resonance is prevented, and noise is reduced or eliminated.

The invention discloses a water tank for a dishwasher and the dishwasher with the water tank. The water tank for the dishwasher comprises a water tank shell body, and a water storage chamber is limited in the water tank shell body, the water tank shell body is provided with a water adding port communicated with the water storage chamber and a first water outlet, the water tank shell body is suitable to be arranged on an liner of the dishwasher and the first water outlet is communicated with the liner to guide the water in the water storage chamber to the liner. According to the water tank for the dishwasher, the structure is simple, the installation is convenient, the water tank is suitable to be installed on the dishwasher to store water for the dishwasher, therefore the dishwasher does not need to be connected with and provided with a faucet, the installation steps of the dishwasher and the faucetare reduced, which makes it convenient for the placement and use of the dishwasher, and the convenience of the use of the dishwasher is improved.

The invention discloses an automatic plug-in LED lighting lamp, which comprises a lamp holder body and an LED lamp cap assembly for matching and connecting with the lamp holder body. A first cavity is arranged inside the lamp holder body, and the inside of the first cavity is rotatably fitted and connected. There is a rotating sleeve, the right side of the rotating sleeve is provided with an internal thread cavity, and the internal thread cavity is provided with a moving block that is threaded and connected, and the right end of the moving block is fixed with a connecting rod extending to the right. The first chute is symmetrically arranged on both sides. A motor is embedded in the inner wall on the left side of the first cavity, and a rotating shaft is connected to the power on the right side of the motor. The end surface on the right side of the rotating shaft is fixedly connected with the rotating sleeve. There are grooves, each groove is equipped with a gear and the lamp holder on the left is provided with a second cavity, the opposite side of the second cavity is provided with a second chute, and the second cavity is provided with a The sliding block that extends into the second chute.

The invention provides a pipeline patrol, maintenance and checking method which is applied to application program servers and comprises the following steps: receiving a patrol task instruction transmitted form a PC, generating a patrol task, and sending out the patrol task, thereby enabling patrol operators to implement patrol; receiving patrol data forwarded from a mobile terminal through a Wechat server, and storing the data in a database server; and judging patrol data types according to internal patrol data identifiers, if the patrol data is ordinary patrol data, generating an ordinary patrol operation state change signal and transmitting to the PC, and if the patrol data is abnormal event patrol data, forwarding a part of information to the PC, generating an abnormal event patrol operation state change signal according to the abnormal event patrol data, and transmitting the signal to the PC. The steps of the maintenance and checking method are similar to those of the patrol method. By adopting the pipeline patrol, maintenance and checking method provided by the invention, the problems that, in the prior art, mobile APP software development cost is high and programs are low in portability can be solved.

The invention discloses an LED illumination lamp easy to install. The LED illumination lamp easy to install comprises a fixing seat and an installation part, wherein the fixing seat is composed of an upper seat body and a lower seat body, and the bottom of the installation part is provided with an LED lamp cap. An insertion connecting cavity extending downwards is formed in the middle position of the interior of the upper seat body, and the bottom of the insertion connecting cavity penetrates the lower seat body. A partition plate is arranged on the inner top wall of the insertion connecting cavity, and first sliding cavities are formed in the positions, on the left side and the right side of the partition plate, in the upper seat body. Containing cavities are formed in the bottoms of the first sliding cavities. Second sliding cavities are formed in the positions, at the bottoms of the containing cavities, in the lower seat body. First sliding blocks are arranged in the first sliding cavities, and electrifying holes are formed in the inner sides of the bottoms of the first sliding blocks. First rack parts are arranged at the positions, on the outer sides of the electrifying holes, at the bottoms of the first sliding blocks. Gears connected with the bottoms of first rack parts in an engaged manner are arranged in the containing cavities. Second sliding blocks are arranged in the second sliding cavities. The outer sides of the second sliding blocks are provided with slope locking rods which penetrate the lower seat body and are connected in a sliding fit manner. The sides, away from the slope locking rods, of the second sliding blocks are provided with slope protruding parts, and the top end faces of the second sliding blocks are provided with second rack parts connected with the bottoms of the gears in an engaged manner.

The invention provides a printing plate and plate roller integrated flexible plate and 3D rapid molding printing type direct platemaking method. The method comprises the following steps: designing a plate to be printed by utilizing a 3D printing plate making method by using three-dimensional software, and selecting a printing material; and spraying to obtain a printing plate material and images and texts on the printing plate material by using a 3D printing machine to obtain a printing plate and plate roller integrated flexible plate. According to the method, a printing plate and the images and texts in a 3D design image are designed into cylindrical shapes; mounting steps are omitted and troubles and labor are not wasted; the operability and the safety are improved; the bending deformation caused by installation does not occur, and the accuracy and the working efficiency are improved; meanwhile, a compensation step of pre-printing deformation amount is omitted; the antenna images and texts cover the printing plate so that the images and texts, and the printing plate are integrated, and the printing plate and a roller are integrated; the content of the images and texts on the printing plate is determined, and the image and text copying accuracy is improved; and the method can be used for creating a new chapter of a printing plate and plate roller integrated flexible plate platemaking technology, and fills up the national blank.

The invention belongs to the technical field of mobile payment and provides an NFC-based payment method and apparatus. The NFC-based payment method includes receiving a payment request; acquiring the payee information and the input amount to be paid and reading the payment side device through an NFC module to obtain the payer information; sending the payer information, the payee information, and the amount to be paid to a server; and receiving the payment result returned by the server and displaying the payment result. The invention further provides an NFC-based payment apparatus. According to the invention, the payee and the payer complete the data interaction through the near-filed communication function of a mobile device, and applies to the server for the transaction processing based on the interaction data to complete the gathering and payment, and thus eliminating the need for merchants to install a transaction terminal during the gathering and being rapid and convenient.

The invention relates to a mechanical extension device of a geezer chair. The mechanical extension device comprises a left-side component, a right-side component, a lifting base and an electric device, wherein the left-side component and the right-side component are respectively provided with a geezer chair handrail installing plate, a second lifting connecting piece, a leg switching piece, a first lifting connecting piece, a back-and-forth switching connecting piece, a backrest switching connecting piece, a geezer chair seat frame installing plate, a rear installing support, a geezer chair leg rod I, a geezer chair leg rod II, a geezer chair leg rod III, a geezer chair leg rod IV, a geezer chair foot plate, a geezer chair connecting rod, a third lifting connecting piece, a front installing piece, a rear installing piece and a bolt connecting piece; the lifting base comprises a chassis, a square lifting frame, a lifting frame, a lifting connecting rod, a welding connecting piece and an adjustable connecting piece; the electric device comprises a motor and a motor pushing rod; the motor is rotationally arranged on the chassis; the motor pushing rod is rotationally connected with the welding connecting piece. The mechanical extension device disclosed by the invention has the advantages that safety and stability are realized, the structure is firm, the installing efficiency is high, materials are saved, and the design of the geezer chair is improved.

The invention provides a cup and liner integrated acetabulum component and a preparation method thereof. The cup and liner integrated acetabulum component comprises an acetabulum cup, an acetabulum liner and a bone trabecula structure. The bone trabecula structure is arranged on the outer surface of the acetabulum cup, the acetabulum cup and the bone trabecula structure are formed integrally, theacetabulum liner is in melt connection with the inner surface of the acetabulum cup, and the inner surface of the acetabulum cup is a rough surface with a microporous structure. Preferably, the porosity of the bone trabecula structure is 50%-65%, the pore diameter of the bone trabecula structure is 300-800micron, the acetabulum cup is a metal acetabulum cup, the bone trabecula structure is a metalbone trabecula structure, and the acetabulum liner is a nonmetal acetabulum liner. The cup and liner integrated acetabulum component is structurally firm and stable, capable of improving post-surgical early-stage fixing effects and long-term stability, safe, simple and convenient to use, long in service life, ingenious in design, simple in structure and convenient and simple in manufacturing.

The invention discloses a convenient-to-install alternating current smoke detector device which comprises a fixed seat and an assembly part in fit connection with the fixed seat, wherein a first cavity is arranged in the fixed seat; a shell jacket is in running fit connection in the first cavity; an internal thread cavity is arranged in the right side of the shell jacket; a push block in threaded fit connection is arranged in the internal thread cavity; a push rod extending toward the right side is fixed on the right end surface of the push block; first slip grooves are correspondingly formed on the upper and lower sides of the push rod; a motor is arranged in the left inner wall of the first cavity; the right side of the motor is connected with a coupling shaft; the right end surface of the coupling shaft is fixedly connected with the shell jacket; placing grooves are correspondingly formed in the inner walls on the upper and lower sides of the first cavity; a gear wheel is arranged in each placing groove, and a second cavity is arranged in the left fixed seat; second slip grooves are formed on the upper and lower sides of the second cavity respectively; and a slip block penetrating into the second slip groove is arranged in the second cavity.

A damper of furniture comprises a piston and a damp plate which are sequentially connected in a cylinder. One end of a piston rod extends into the cylinder and is connected with the piston after penetrating through the damp plate; the piston is provided with more than one flow-passing hole, or the outer side of the piston is provided with more than one first flow-passing groove; one side of the damp plate, opposite to the piston, is provided with an annular step; a certain oil-passing gap is retained between the piston and the inner wall of the cylinder and between the damp plate and the inner wall of the cylinder; one end of the piston rod, connected with the piston, is in a T shape and is connected with the piston as a whole. The damper can be arranged in a pivoted arm, rotates flexibly and can not easily loose. When a door is closed, the damper has strong impact resistance, can effectively slow down the closing speed and reduce the collision sound generated by closing the door, andthe door is opened without any influence. The invention has simple and reasonable structure, low manufacture cost and long service life.

The invention provides a shell assembly, a mobile terminal and a mounting method for a camera of the mobile terminal. The shell assembly comprises a shell, a first decoration element, a second decoration element, a stopper and a cover plate. The shell is equipped with a mounting hole and positioning holes. The first decoration element is equipped with first positioning holes and first through holes corresponding to the mounting hole. The first decoration element and the shell are cascaded in the axis direction of the mounting hole. The second decoration element is equipped with a positioning lug and second through holes corresponding to the first through holes. The second decoration element and the first decoration element are cascaded in the axis directions of the first through holes. The positioning lug penetrates the first positioning holes and the positioning holes in sequence. The stopper is connected with the end part of the positioning lug, thereby preventing relative movement among the first decoration element, the second decoration element and the shell. The cover plate fits with the second decoration element in the axis directions of the first through holes. The cover plate is arranged at the side of the second decoration element away from the first decoration element. According to the shell assembly, the mobile terminal and the mounting method, the shell, the first decoration element and the second decoration element are fixedly connected through the stopper, so the shell, the first decoration element and the second decoration element are connected stably and firmly.

The invention discloses an LED lighting lamp, which comprises a fixing base composed of an upper base body and a lower base body, and a mounting piece with an LED lamp head installed at the bottom. A plugging cavity extending downward is provided in the middle of the upper base body, and the bottom of the plugging cavity is It is set through the lower seat body, the top wall of the plug-in cavity is provided with a partition, the upper seat body on the left and right sides of the partition board is provided with a first sliding chamber, the bottom of the first sliding chamber is provided with a receiving chamber, and the lower seat body at the bottom of the receiving chamber is provided with a There is a second sliding chamber, the first sliding chamber is provided with a first slider, the inner side of the bottom of the first slider is provided with a power hole, the bottom of the first slider outside the power hole is provided with a first rack part, and the accommodating chamber is provided with a There is a gear meshed with the bottom of the first rack part, a second slider is provided in the second sliding cavity, and an inclined-plane locking rod that passes through the lower seat and is slidably connected is arranged on the outside of the second slider. The second slider is far away from the A slope convex portion is provided on one side of the slope locking lever, and a second rack portion meshingly connected with the bottom of the gear is provided on the top end surface of the second slide block.

The invention provides a rotary leveling wall plate mounting structure. Firstly, a leveling assembly is arranged and comprises a rotating part and a leveling base, the leveling base is fixedly mountedon the wall, the rotating part is in threaded connection to the leveling base, a keel part comprises a first connecting part and a second connecting part, the first connecting part is detachably mounted on the rotating part, the wall plate body is clamped to the second connecting part, and the second connecting part is fixedly connected to the first connecting part. The invention further providesa rotary leveling wall plate mounting method. Compared with the prior art, through rotary leveling, the wall plate interval adjusting efficiency is improved, and through an expansion sleeve, the mounting structure intensity is improved.

The invention belongs to a building enclosure, and particularly relates to an invisible connected composite plate curtain wall. The composite plate can be manufactured into an oversized unit plate with the same size as a building framework structure, mounting holes are uniformly distributed on the periphery of the plate, and a main body structure is also provided with holes matched with the mounting holes; by adopting a specially designed countersunk head expansion bolt group, the installation operations are all finished on the outer side, and invisibility of curtain wall connectors is realized; and an elastic adjusting shim plate (adjusting shim plate) between the composite plate and the main body structure can make certain adjusting compensation for unevenness of the main body structure. Compared with a glass curtain wall, the invisible connected composite plate curtain wall has the predominant advantages of light weight, high strength, impact resistance, large single plate area, connecting assembly invisibility, regular surface, bright color, safety, reliability, long service life, convenience in construction, high cost performance and the like. The curtain wall and the connecting structure thereof can be applied in the fields of landscape structures, curtain walls of framework structural buildings, enclosures and other similar decorations, and have broad application prospect.

The present invention relates to a piston (10, 110, 210, 310) for an internal combustion engine, having a first piston component (11) and a second piston component (12), which jointly form a circumferential cooling channel (23) that is open toward the second piston component (12), whereby the first piston component (11) forms at least a part of a piston crown (13) as well as an outer circumferential wall (34) of the cooling channel, characterized in that the outer circumferential wall (34) of the cooling channel (23) has a circumferential projection (32) below the piston crown (13), which projection is provided with a circumferential guide surface (33) for coolant, directed radially inward.

The invention discloses a tire pressure sensor with the wheel balance function and a wheel balance system. The tire pressure sensor with the wheel balance function is used for a wheel which is provided with a wheel ring and a tire, air pressure space is formed between the tire and the wheel ring, and the wheel ring is provided with an air nozzle communicating with the air pressure space; the tirepressure sensor comprises a body and a sensing module, and the body is movably arranged in the air pressure space and is provided with accommodating space; the sensing module is arranged in the accommodating space, and a sensing unit of the sensing module is used for sensing the gas pressure in the air pressure space and producing a pressure signal; and a central processing unit of the sensing module receives the pressure signal, the pressure signal is outwards transmitted wirelessly through a wireless transmission unit of the sensing module. The tire pressure sensor with the wheel balance function can effectively reduce the vibration and shaking problem due to uneven wheel weight during wheel travelling so as to achieve the effect of wheel balance.

The invention discloses an LED lamp device. The LED lamp device comprises a lamp holder fixedly installed in a wall and a lamp cap matched with the lamp holder; a lamp bulb is installed in the lamp cap, a light condensing lampshade of which an opening faces forwards is arranged at the front end of the lamp cap, the lamp holder is provided with an installing cavity used for installing the lamp cap, a connection guiding strip which is located in the middle in the left-right direction and extends front and back is fixedly arranged at the bottom end of the installing cavity, a connection guiding countersunk groove which is matched with the connection guiding strip and penetrates through the bottom end of the lamp cap the front and back is formed in the bottom end of the lamp cap, clamping grooves extending in the front-back direction are correspondingly formed in the two side ends of the connection guiding countersunk groove, and toothed connecting strips are fixedly installed in the clamping grooves; a smooth groove extending in the front-back direction is formed in the connection guiding strip, and a screw extending in the front-back direction is installed in the smooth groove in a running mode through a running bearing; a motor is fixedly installed at the back end of the installing cavity and connected with the screw, and a locking device is correspondingly arranged in the connection guiding strip in the front-back direction.

The invention discloses a pigeon-racing-based pigeon real-time positioning system, which comprises a server, at least one positioner with a code and a display terminal, wherein the server is provided with a geographical information identification module and a database, which are in communication connection; the at least one positioner is in communication connection with the server respectively; the display terminal is in communication connection with the server, and is used for displaying and parameter setting; each positioner is arranged on a pigeon through a fixing device; the fixing device comprises a fixing part and a loading part, the fixing part is shaped into a ring for elastic sleeving connection, the loading part comprises a bag for elastically accommodating the positioner and an overturning cover arranged on the bag in a rotating covering manner, and one side, far away from rotating opening of the overturning cover, of the bag is fixedly arranged on the outer side of the ring of the fixing part. According to the pigeon-racing-based pigeon real-time positioning system, the ring-shaped fixing part elastically connected to the pigeon in a sleeving manner and the loading part for elastically accommodating the positioner are adopted, so that the system is applied to sleeving connection of pigeons with different sizes and fixation of positioners with different sizes, and the dropping rate is low.

The invention discloses an inertia cone crusher connecting device, a crusher and an assembling method, and relates to the field of mine machines. The connecting device comprises a concave spherical surface tile, a convex spherical surface tile and a connecting plate. The concave spherical surface tile and the convex spherical surface tile are matched. Compared with the prior art, the deviation angle of the protected inertia cone crusher is large, no deviation limitation exists, the number of mounting steps is reduced, the space required by mounting is reduced, and the manufacturing cost and time are reduced.

The invention provides a waveguide core layer, a mode spot converter, a silicon optical device and an optical communication unit. The waveguide core layer comprises a first waveguide region and a second waveguide region which are sequentially connected in a first direction; and the first waveguide region and the second waveguide region both extend in the first direction; one end of the first waveguide region, facing away from the second waveguide region, is used for being connected with a silicon optical chip, and one end of the second waveguide region, facing away from the first waveguide region, is used for being connected with an optical fiber; the size of the first waveguide region in the second direction increases from one end, facing away from the second waveguide region, to one end,close to the second waveguide region; a refractive index of the second waveguide region is reduced from one end, close to the first waveguide region, to one end, away from the first waveguide region,so that light can be converted into a large mode spot matched with the optical fiber from a small mode spot through the first waveguide region and the second waveguide region, the precise joint of the waveguide core layer and the silicon optical chip can be ensured, the channel uniformity of the silicon optical device and the optical communication unit is improved; and the waveguide core layer can be directly processed and formed without welding, so that the manufacturing cost is low.

The invention provides a compressor, an air conditioner outdoor unit and an air conditioner. The compressor is applied to the air conditioner and comprises a compressor body and a vibration reduction balance ring, and the vibration reduction balance ring is arranged on the compressor body in a sleeving mode. The vibration reduction balance ring comprises a hollow ring body and a balance substance filling the interior of the ring body. The balance substance can flow in the ring body towards the other side of the compressor body when the compressor body tilts towards one side, so that the compressor body is kept balanced. According to the technical scheme, the compressor body is sleeved with the vibration reduction balance ring filled with the balance substance, and when the compressor body tilts due to generation of eccentric loads, the balance substance in a cavity of the balance ring flows to the opposite side of the eccentric loads automatically under the action of gravity, so that the automatic deviation rectification effect is achieved, integral eccentricity of the compressor is reduced, integral balance of the compressor is maintained, the vibration amplitude of the compressor during work is reduced, the vibration and noise reduction effect is achieved for the compressor, and therefore user experience is improved.

The invention relates to a multifunctional theater chair device. The multifunctional theater chair device comprises a left side part, a right side part and an electric device; the left side part and the right side part are each provided with a linkage part, a first support part, a second support part, a third support part, a connecting rod, a bottom foot, a seat support and a side plate; a torque-resisting square tube is fixedly installed on the linkage parts, each of the three support parts is rotatably connected with the corresponding bottom foot, each linkage part is rotatably connected with the corresponding first support part and the corresponding connecting rod, and each connecting rod is rotatably connected with the corresponding seat support; each seat support is rotatably connected with the corresponding side plate, each seat support is rotatably connected with the corresponding third support part, and each side plate is rotatably connected with the corresponding third support part; the two ends of each bottom foot are fixedly connected with handrail elbows, a motor is rotatably installed on one handrail elbow, a motor guide rail is fixed on the motor, a motor moving sliding block is installed on the motor guide rail in a sliding mode, and the motor moving sliding block is rotatably connected with the torque-resisting square tube. According to the multifunctional theater chair device, three support parts are used for enhancing the stability of the device, by means of matching of plug pins, the installation efficiency is improved, the structure is firmer, the space is saved, and the design of a theater chair is perfected.

The invention discloses an automatic grinding machine and relates to the field of machines. The automatic grinding machine comprises supporting columns, a machine body, an operation platform and grinding mechanisms. The operation platform and the supporting columns are fixed to the upper portion of the machine body, and the grinding mechanisms are arranged on the supporting columns. The automatic grinding machine is characterized in that the number of the supporting columns and the grinding mechanisms is two, the two supporting columns and the two grinding mechanisms are symmetrically arranged on the two sides of the machine body, the operation platform is provided with a rotary disc and three-jaw chucks arranged on the rotary disc, the number of the three-jaw chucks is six, the six three-jaw chucks are symmetrically arranged with the axis of the rotary disc as the circle center, a driving rotary shaft is arranged at the bottom of the rotary disc and is in shaft connection with a motor, the motor is electrically connected with a controller, the motor is arranged below the rotary disc, the controller is arranged on one supporting column, and the diameter of the driving rotary shaft is 10-15 cm. The automatic grinding machine is high in workpiece grinding and clamping efficiency and saves the cost.