372 results about "Clockwork" patented technology

The invention relates to the technical field of electronic connectors, in particular to an electronic connector based on heat dissipation and heat conduction fins and a rapid assembling method thereof.The electronic connector comprises a socket, a plug, a ferrule and a jack, the jack is formed in the inner side of one end of the socket, one end of the socket is fixedly connected with a sealing gasket, the interior of the jack is matched with the ferrule, and the socket is connected with the plug through the ferrule and the jack; the middle of the upper end and the middle of the lower end of the socket are each provided with a center hole, the center holes are internally provided with clockwork springs, the clockwork springs are connected with the connecting unit, the upper end and the lower end of the plug are each fixedly connected with a toothed plate through a rivet, and one end of the plug is fixedly connected with a protruding block. According to the technical scheme, the toothed plate is driven to move through rotation of the gear, then butt joint is achieved, in the installation process, large pressure needs to be applied to the installation end of the socket, and the problem that the position where the socket is fixed through a grid structure deforms can be solved.

The utility model discloses a helium injection device for a magnetofluid ATM (automatic teller machine), which relates to the technical field of vacuum leak detection and comprises a high-pressure helium bottle, the top of the high-pressure helium bottle is sequentially connected with a constant-pressure valve body and a quick exhaust valve from bottom to top, and one end of the quick exhaust valve is connected with a second spray pipe. The second spray pipe can be wound and collected into the storage box, the second spray pipe can be pulled according to needs to change the use length of the second spray pipe, the application range of the second spray pipe is wider, meanwhile, when the second spray pipe is not used, the winding disc can be driven under the torsion of the clockwork spring to conduct winding treatment on the second spray pipe, the second spray pipe can be automatically wound, the second spray pipe is prevented from being scattered outside, and the second spray pipe is convenient to store; in cooperation with a cleaning assembly, dust attached to the surface of the second spraying pipe can be cleaned, use is convenient, and practicability is higher; through the fixing assembly, the pipe clamps can be disassembled and assembled conveniently and rapidly, and the nuts can be twisted according to needs so that the connecting and fixing effect of the two pipe clamps can be adjusted conveniently.

The utility model discloses a portable telescopic charging wire device. The device comprises an outer shell, wherein the outer shell is provided with an accommodating inner cavity and a take-up and pay-off port communicated with the accommodating inner cavity; the carrying disc is arranged in the containing inner cavity and rotationally connected with the outer shell. The other end of the spring is connected with the outer shell; when the clockwork spring drives and keeps that the loading disc carries the charging wire coil to be wound into the accommodating inner cavity, the power supply end of the charging wire is located at the take-up and pay-off port; one end, far away from the power supply end, of the charging wire is connected with the carrying disc; the carrying disc is further provided with driving teeth. The middle wheel is rotationally connected with the outer shell; when the carrying disc rotates to a preset angle, the driving teeth are meshed with the middle wheel to drive the middle wheel to rotate; the force measuring abutting part is used for abutting against the middle wheel teeth to prevent the middle wheel and the carrying disc from rotating, and when the middle wheel abuts against the force measuring abutting part to reach the preset force, the force measuring abutting part avoids the position so that the middle wheel and the carrying disc can rotate.

The utility model discloses a testing tool for a winder assembly, and relates to the technical field of electronic equipment, the testing tool comprises a bottom plate and a bottom plate detection device, the bottom end of the detection device is fixedly connected with the top end of the bottom plate through a bolt; through the cooperation of the detection device and the control device, the replaceability of a detected object is high, so that various material components of different specifications and models can be stably fixed by adjusting the quick clamp, special test tools do not need to be manufactured for different materials, and from the detection function, through the welding of a top conductive ring and an electric wire, the detection efficiency is greatly improved. The electrical performance of a material component can be accurately detected, a clockwork spring on a material is welded with an electric wire, cable recovery can be simulated, the torque, the speed and other mechanical properties of the material can be detected, the device is suitable for all-around performance evaluation of various materials, in the aspect of operation, an operator can start a test through one-key operation, a warning lamp feeds back the state of a tool in real time, and the working efficiency is improved. And a detection object can be conveniently replaced in time.

The utility model discloses a line pendant device for building construction measurement, which comprises a mounting mechanism and a measuring mechanism assembled in the mounting mechanism, the mounting mechanism comprises a mounting rack, one side of the mounting rack is provided with a telescopic plate in a sliding manner, one side of the bottom of the mounting rack is fixedly provided with a fixed clamping plate, and the fixed clamping plate is provided with a telescopic rod. A movable clamping plate used in cooperation with the fixed clamping plate is fixedly installed on one side of the telescopic plate. According to the plumb bob device for building construction measurement, through cooperation of a winding roller and a clockwork spring, automatic winding can be conducted after a plumb bob is used, the speed of plumb bob recycling is greatly increased through automatic winding, the workload of personnel is relieved, through cooperation of a spherical base and a horizontal laser, the working efficiency is improved, and the working efficiency is improved. The device can measure the levelness when a worker builds bricks on a wall, improves the accuracy of perpendicularity and levelness when the worker builds the wall through the device, and improves the quality of wall building.

The utility model discloses a consumable disc spring rotating shaft which comprises an outer barrel body, a plurality of groups of connecting grooves, a plurality of springs and a plurality of springs, wherein the connecting grooves are formed in the surface of the outer barrel body in a regular annular array mode; the first annular limiting piece is fixedly connected to one side of the outer cylinder; the plurality of groups of elastic clamping jaw mechanisms are respectively connected to the plurality of groups of connecting grooves; the inner cylinder body is movably connected to the inner side of the outer cylinder body, one end of the inner cylinder body is fixedly connected with an end shaft, and the other end of the inner cylinder body is fixedly connected with two groups of locking blocks; and the slewing mechanism is connected to the outer cylinder body and the end shaft. By means of the innovative rotation mechanism design, the problems of consumable loosening and winding are ingeniously solved, after the consumable material disc rotates by a certain angle, the consumable material disc is driven by elastic potential energy stored by the clockwork spring to conduct proper reverse rotation, and therefore automatic tightening of the consumable is achieved; consumable materials can be kept in a proper tensioning state all the time, and looseness and winding of the consumable materials are effectively prevented.

The utility model relates to the technical field of watering devices, in particular to a watering device based on the internet of things, which comprises two oppositely arranged supports, a moving device is slidably connected to the two supports, a water spraying assembly is fixedly connected to the side end face of the moving device, a pipe rolling device is arranged on the side edge of one support, and a water spraying assembly is fixedly connected to the side edge of the other support. According to the water spraying device, a spring mechanism is arranged between the winding roll and the rotary joint, a water pipe can be pulled out of the winding roll in the process that the water spraying assembly moves for watering, the water pipe can be pulled out of the winding roll, the water pipe can be pulled out of the winding roll, and the water spraying assembly can be pulled out of the winding roll when the water spraying assembly moves for watering. Meanwhile, rotation of the winding roll can cause gradual tightening of the clockwork spring, when the water spraying assembly completes the watering task and starts to reset, the winding roll rotates reversely by means of resilience force of the clockwork spring, and then the water pipe is rewound in order.

The utility model discloses a clamping tool for integrated circuit wafer processing, and particularly relates to the technical field of circuit wafer processing, the clamping tool comprises a clamping table, a base and an object placing groove, the surface of the top end of the clamping table is provided with the object placing groove, and the clamping table is internally provided with a synchronous fixing assembly. The synchronous fixing assembly comprises an inner cavity, a rotating table, a rotating shaft, a rotary knob, a boss, a positioning rod, a sleeve, a torsion spring, a clamping block, a gasket, a bottom shaft, a clockwork spring, a fixing hole and a fixing bolt. According to the utility model, through the arrangement of the rotating shaft and the clamping block, when the wafer is placed in the object placing groove, the rotating shaft at the center position can be rotated, and the rotating shaft is contacted with the clamping block in the process of driving the boss to rotate, so that the clamping block can be pushed to enter the object placing groove, clamp the wafer in the object placing groove and assist in fixing the wafer; and the fixing bolt on the outer side of the rotating table is rotated to abut against the rotating shaft and reversely rotate to prevent loosening, so that the convenience of fixing the wafer by the clamping tool is realized.

The utility model relates to communication equipment technical field provides a kind of communication signal transmitter, comprising: shell, the outer surface of the shell movably covers two transmission rods, two the transmission rod is close to the side of the shell outer portion and is uniformly connected with button, two the transmission rod is close to the side of the shell inner portion and is uniformly connected with push block, the inner wall of the shell is fixedly connected with two blocks, further comprising: two fixed columns, the outer surface of two the fixed column is uniformly connected with clockwork, the outer surface of two the clockwork is uniformly connected with gear wheel one, the outer surface of two the gear wheel one is engaged with gear with incomplete, so it can when using signal transmitter, press two buttons, make cover plate open, avoid when not using transmitter, dust enters equipment, causes the short circuit and failure of equipment, improve the service life of equipment, can simultaneously the horizontal position of antenna is raised, avoid the obstruction of metal object.

The utility model relates to the field of data lines, in particular to a telescopic data line with a self-locking function, which comprises a line body, a shell and a winding block, the winding block is rotatably mounted in the shell through a spring, the line body is wound on the winding block, a sliding part is arranged in the shell, the winding block is provided with a self-locking groove matched with the sliding part, two ends of the line body are respectively provided with a magnetic suction head, and the magnetic suction heads are arranged in the self-locking groove. A containing cavity is formed in the outer side of the shell, a magnetic attraction charging port matched with the magnetic attraction head is formed in the containing cavity, and a slidable sealing cover is arranged on one side of the containing cavity. Through the cooperation of the spring, the sliding piece and the self-locking groove, the self-locking function of the wire body is achieved, winding can be easily completed only by pulling the wire body again in the wire winding process, and therefore using convenience is improved. Moreover, the magnetic suction heads at the two ends of the line body facilitate the quick replacement of the charging ports, thereby meeting the charging demands of different devices. The sealing cover enables the magnetic charging port to be stored in the containing cavity when not in use, dust is prevented from entering while loss is avoided, cleanliness of the charging port is guaranteed, and the service life is prolonged.

The utility model discloses a kind of transfer devices for cork furniture, belong to furniture transport technical field.It includes vehicle plate, handle and universal wheel.Vehicle plate below installs universal wheel and is convenient for moving, above welding handle, two slide rails are installed on vehicle plate, and circular limit block with roller inclined rail is correspondingly set in one end of slide rail.Adjusting assembly is rotated by hand wheel drive screw column, drive screw block and bearing connection slider connecting column lateral movement of it, core effect is to pull fixed plate and its connecting roller from roller inclined rail to slide rail, realize accurate positioning and transport of furniture on device.Rope automatic recovery assembly is automatically recovered by clock spring drive reel, in combination with ratchet and pawl anti-loosening mechanism and guide rope board, cooperate with rope binding column to realize furniture fast binding and fixing.Solve the problem that furniture is laborious in traditional transfer, fixed operation is complicated, with loading positioning accurate, binding convenient and the like advantages, significantly improve the safety and efficiency of cork furniture transfer.

The utility model provides a portable toolkit which comprises a kit body, two sides of the kit body are fixedly connected with two storage boxes, winding rollers are rotatably connected in the storage boxes, a carrying belt is wound on the winding rollers, a plurality of lock holes are formed in the carrying belt, and a winding driving assembly is arranged on a rotating shaft of each winding roller. When a user needs to carry or carry the tool bag to move, the adjusting shaft is rotated to drive the tying belt to move, the tying belt drives the end plate and the lock rod to move, and the lock rod is separated from the lock hole; then the carrying belt can be pulled to adjust the length of the carrying belt; after adjustment is completed, the adjusting shaft is loosened, the clockwork spring drives the adjusting shaft to rotate reversely, the spring drives the end plate and the lock rod to move, and the lock rod moves to be inserted into the lock hole to lock the carrying belt. A user can conveniently adjust the length of the carrying belt according to needs so as to carry the toolkit in different modes; and when not in use, the carrying belt can be stored in the storage box, so that the carrying belt can be used for a long time.

The invention relates to a movable high-pressure cleaning machine, and belongs to the technical field of high-pressure cleaning. Comprising a moving trolley and two supports fixedly connected to the top face of the moving trolley. A user only needs to pull the spray pipe outwards, the winding roller and the fixing column can be driven to rotate synchronously, kinetic energy for pulling the spray pipe is converted into elastic potential energy of the clockwork spring to be stored, extra power does not need to be applied, and operation is labor-saving and convenient; when the winding roller rotates, the ratchet wheel is synchronously driven to rotate in the forward direction, after pulling is stopped, resilience force of the clockwork spring drives all parts to slightly move in the reverse direction, at the moment, the pawl and the ratchet wheel are immediately meshed, precise locking of the length of the spray pipe is achieved, the linkage structure can ensure that the spray pipe is locked in time and firmly, and operation inconvenience caused by springback of the spray pipe is effectively avoided; the length stability of the spray pipe in the high-pressure cleaning operation process is guaranteed, then the accuracy of the cleaning position is guaranteed, and the cleaning effect is improved.

The utility model relates to the technical field of automobile brakes, in particular to a helical gear and worm self-adjusting type automobile brake clearance automatic adjusting arm which comprises a shell, a helical gear body and a worm body meshed with the helical gear body are installed in the shell, the shell comprises a connecting arm, a worm shell is installed on the connecting arm, and the worm shell is connected with the helical gear body. The worm shell is used for installing a worm body, one side of the worm shell is provided with a bevel gear shell in a communicating mode, and the bevel gear shell is used for installing a bevel gear body. A clockwork spring elastically installed with the worm body is installed in the worm shell, and the clockwork spring is used for limiting the worm body. The utility model has the advantage of automatically resetting the brake clearance, and solves the problem that the brake clearance is difficult to reset when the brake is frequent.

The utility model discloses a centrifugal casting device, and particularly relates to the technical field of centrifugal casting, which comprises a central shaft, a rotating arm is arranged at the top end of the central shaft, a clockwork spring is arranged at the outer end of the central shaft, an outer connecting pipe is sleeved at the outer end of the central shaft, and two outer inserting holes are arranged on the outer connecting pipe. An inner inserting hole penetrating through the center shaft is formed in the center shaft, a pulling-out assembly is arranged on the rear side of the center shaft, the pulling-out assembly comprises a sliding barrel, and a spring is fixedly arranged on the inner wall of the sliding barrel. According to the utility model, the central shaft is fixed by clamping the plug pin on the external pipe and the central shaft, and when the fixation is released, the pull rope and the plug pin are pulled backwards by virtue of the elastic force of the spring, and the plug pin is quickly pulled out from the outer jack and the inner jack, so that the constraint on the central shaft is quickly released; according to the mode of pulling out the plug pin, the hand of an operator can be far away from the rotating arm which is about to rotate, so that the safety is greatly improved.

1, a fan drives wind wheel blades to form a labor-saving lever structure, power is input into a clockwork spring energy storage bin, constant-speed torque increasing is achieved, and primary torque amplification and mechanical potential energy accumulation are completed; 2, the outer ring of the clockwork spring energy storage bin forms a high-magnification labor-saving lever depending on the maximum force arm at the outer edge, and is meshed and linked with a pinion through an outer ring gear, so that the limitation of increasing and reducing the torque of a conventional gear is broken, and the output torque and the rotating speed are synchronously amplified; 3, power is transmitted to a balance wheel assembly through a crankshaft, the output rotating speed and power of the whole machine are calibrated and stabilized by means of the inertia of a balance wheel, and power fluctuation is eradicated; and 4, by regulating and controlling the rotating speed of the wind wheel and accurately matching the running speed of the gear of the energy storage bin, controllable adjustment of the output rotating speed and torsion is achieved, rated working parameters of the generator are fitted, and continuous and stable power generation is guaranteed. The whole set of system depends on the multi-level lever mechanics principle and is combined with an original force increasing structure for stress of the outer edge of a spring bin, torque superposition and amplification are completed step by step, the gain effect of mechanical force is converted into stable energy output gain, and mechanical energy storage power generation logic with a controllable closed loop and a constant working condition is formed.

The utility model relates to the technical field of building construction, and provides a safety belt hanging point device for erecting a disc buckle support frame, which comprises a vertical rod, a short steel pipe, a hanging rod and a steel round head, the short steel pipe is vertically welded on the surface of the vertical rod, the hanging rod is connected in the short steel pipe in a sliding manner, and the head end of the hanging rod extends out of the short steel pipe and is fixed with the steel round head. A clockwork spring assembly is fixedly installed on the rear side in the short steel pipe, a rope winding assembly is installed at the front end of the clockwork spring assembly, a safety rope is connected to the tail end of the hanging rod, and the tail end of the safety rope is connected with the rope winding assembly. By means of the technical scheme, the problems that in the prior art, a hanging ring is arranged at a fixed point, horizontal movement is difficult to conduct according to walking of a worker, and therefore when the worker walks too far on the plate buckle supporting frame, due to the fact that the length of a safety belt is not enough, the hanging point needs to be selected again, and trouble is caused are solved.

The utility model relates to the technical field of kitchen supplies, in particular to a barbecue cleaning brush convenient to replace, which comprises a mounting shell, a soft brush and a holding handle, an unlocking button is slidably connected in a limiting groove of the mounting shell, a pushing block is fixedly connected to the lower side of the unlocking button, and the front side and the rear side of the pushing block are slidably connected with the mounting shell. Through the arrangement of a pushing block, a transmission shaft, a sliding clamping block, a damping sleeve, a clockwork spring and a rotating shell, the device can quickly replace a mounting plate and banister brushes, a baking tray can be quickly and comprehensively cleaned, the multiple banister brushes are uniformly cleaned after the baking tray is cleaned, convenience is achieved, and by means of damping of the damping sleeve and elasticity of the clockwork spring, the baking tray can be conveniently cleaned. According to the device, the inclination angles of the first threaded shaft, the second threaded shaft and the holding handle can automatically adapt to the using habits of different users on the premise that the cleaning effect is guaranteed through the mounting plate and the banister brush, and the device has the good cleaning effect and practicability and has the good using feeling.

The invention relates to a method for manufacturing a barrel (1) for use in a timepiece, the barrel being arranged to pivot about a pivot axis (D) and comprising a flange portion (3) comprising a bearing surface (30) for bearing an inner ring of a spring, from which bearing surface a hook portion (2) projects to engage in an aperture in the inner ring, and the flange portion comprises an end face (20) serving as a bearing of the eyelet when winding the spring, the flange portion further comprising a groove (4) located upstream of the hook portion in the winding direction (S) of the spring for holding an end of the spring, the method comprising the following steps:-taking a bar; -turning the profile of the bar to form at least one cylindrical portion (13) comprising a vertical surface and a horizontal surface; -machining said cylindrical portion using a broaching tool by a plurality of reciprocating translational movements in the direction of the pivot axis of the strip shaft, to form a flange portion comprising a hook portion, a bearing surface and a groove.

The utility model relates to the technical field of the component of helmet, including base, transmission gear, clockwork, headband transmission belt and face cover, the clockwork cavity for containing clockwork roll is equipped in face cover inside, the clockwork roll is formed by the clockwork of contractible winding, the outer ring of clockwork is fixed in the outer clamping groove of face cover inner wall, the inner ring of clockwork is connected with the central shaft of transmission gear, the clockwork can be stretched and store energy under the action of external force, and the energy is automatically released after the release of external force, drives transmission gear rotation, headband transmission belt is symmetrically set up in transmission gear's both sides, one end of headband transmission belt is equipped with the inner tooth belt, and the inner tooth belt engages with transmission gear, and the other end of headband transmission belt is through the passage slot on the base and stretches out to the axis direction away from transmission gear, and drives headband transmission belt telescopic adjustment, wherein the energy storage of clockwork roll drives headband transmission belt automatic tightness adjustment. The utility model provides new helmet head lock, has the advantage that practicality is high and the effect of limitation is good.

The utility model discloses a data line storage device capable of smoothly drawing a data line and electronic equipment. The device comprises a lower terminal strip assembly, an upper cover, a turntable, an upper terminal strip assembly, a rotating shaft, a clockwork spring, the data line and a swing arm assembly, the data line is arranged on the turntable and is electrically connected with the upper terminal strip assembly; the upper terminal strip assembly is arranged on the turntable and is connected with the lower terminal strip assembly; the rotating shaft is arranged on the upper cover, and the rotating disc is arranged between the upper cover and the lower terminal strip assembly. One end of the spring is arranged on the turntable, and the other end of the spring sleeves the rotating shaft; the swing arm assembly is arranged on the lower terminal strip assembly and used for being matched with the rotating disc to lock the rotating disc. The rotating shaft is provided with a first step structure and a second step structure, the first step structure is sleeved with the rotating disc, and the upper cover is arranged between the top of the rotating shaft and the second step structure. The step structure is arranged on the rotating shaft, so that a gap is formed between the turntable and the upper cover, and contact between the turntable and the upper cover can be avoided.

1. Name of the design product: clock model (square material box). 2. Use of the design product: used for loading different materials, can be used separately; suitable for educational props, children's toys. 3. Design points of the design product: the combination of shape and pattern. 4. Picture or photo that best indicates the design points: perspective drawing.

The utility model provides an advertising board with a rolling structure, which relates to the technical field of advertising boards and comprises a base, a storage device is arranged on one side of the top of the base, a supporting component is arranged in the storage device, a threaded cap is movably sleeved at one end of the supporting component, a rolling device is arranged on the surface of the supporting component, and the rolling device is arranged on the top of the base. And an advertising board assembly is arranged at the bottom of the winding device. When the flexible billboard is stored, the pull rod is taken down from the hook, the clockwork spring can reset to drive the movable cover and the connecting shaft to roll the flexible billboard, then the threaded cap is taken down, the rolling device is taken down from the hanging rod, the hanging rod is erected and inserted into the limiting groove and the storage groove, and after the hanging rod is completely inserted, the threaded cap is installed on the threaded lantern ring to limit the hanging rod. By means of the design, the soft advertising board can be stored conveniently, and meanwhile storage space is saved.

The invention relates to a mining mechanical automatic cable arranging device and power supply equipment. The mining mechanical automatic cable arranging device comprises a support, a cable winding barrel rotationally arranged on the support through a rotating shaft, an electric slip ring arranged on the rotating shaft and a spring mechanism. The wire coiling barrel is used for winding a cable on the wire coiling barrel or paying off the cable from the wire coiling barrel in the rotating process; a channel for a cable to pass through is formed in the rotating shaft, a threading hole communicated with the channel is formed in the cable winding barrel, one end of the cable sequentially passes through the threading hole and the channel and then is connected with the electric slip ring, and the electric slip ring is further electrically connected with power supply equipment; the spring mechanism comprises a spring sleeving the rotating shaft, one end of the spring is relatively fixed to the rotating shaft, and the other end of the spring is relatively fixed to the support. The clockwork spring is used for generating deformation in the cable pay-off process and accumulating resilience force enabling the cable to be wound and withdrawn. According to the wire arranging device, the rotating speed of the wire winding barrel and the moving speed of intelligent equipment can be synchronized no matter the wire winding or the wire unwinding, synchronous wire unwinding or synchronous wire winding is achieved, and knotting and twisting-off of a cable are avoided.

The invention relates to a power generation system, in particular to a long-endurance clockwork generator, and solves the problem of stable use of the generator. Comprising a storage battery and a main power generation assembly, the main power generation assembly further comprises a power generation motor, two reduction gear sets, a spring gear set, an acceleration gear set and a power generator, and an output terminal of the storage battery is connected with the input end of the power generation motor; the output end of the power generation motor, the reduction gear set, the clockwork gear set, the acceleration gear set, the reduction gear set and the power generator are sequentially connected in a meshed mode. The spring gear set comprises a spring gear equipped with a one-way bearing. And the secondary generator is meshed and linked with the power generation motor. And a transformer is arranged between the storage battery and the power generation motor. A clockwork spring gear mechanism is adopted as the core for energy slow storage and slow release, transition energy loss is small, clock-level precision is achieved, phase-changing energy storage in the power generation process is achieved, and the design and use requirements are met.

The utility model relates to the technical field of safety protection, disclose a kind of safety protection net device, it includes protection shell, retraction mechanism, safety net component and locking mechanism;Safety net cloth is not used, winding is in fixed shaft outer periphery and is housed in storage cavity. By pulling shaft, safety net cloth is pulled out to use, after use, the fixing of pulling shaft is loosened, clock spring will retract to storage cavity under the elastic force of clock spring, and restore winding to the outer periphery of fixed shaft to realize storage;Thus by winding safety net cloth, the storage of safety net is realized, to avoid the problem of easy damage and rising of artificial maintenance cost caused by folding storage of safety net cloth. In addition, the safety protection net device is also provided with locking mechanism, by moving the movement of link between locking position and unlocking position, so that stop piece can abut on safety net cloth, to limit automatic retraction winding, to facilitate user to use.

The utility model discloses a greenhouse bottom vent opening and closing device convenient to buffer, which relates to the technical field of agricultural engineering and comprises a wall body, a greenhouse frame, a buffer mechanism and an adjusting mechanism, the shed frame is fixedly arranged at the top of the wall body, and a cross rod is fixedly arranged at the top end of the wall body A wind-resistant buffer mechanism is fixedly arranged on the inner wall of the wall body, and an adjusting mechanism used for manually adjusting opening and closing is installed at the bottom of the transverse rod. Through linkage of the clockwork spring and the wind-up roller, automatic wind-up and tension stabilization of the buffer film are achieved, wind impact is reduced, and the film body is prevented from being damaged. The fixing support and the clamp spring simplify operation, the buffer film directionally guides air to the position above crops, the risk of cold air direct irrigation is reduced, and humiture sudden change and cold damage are reduced.