102results about How to "Maintain integrity" patented technology

The invention relates to the field of material chemistry on-line detection, in particular to a 1, 2, 4-trichlorobenzene on-line detection material and a preparation method thereof, and provides a film-forming sensitive layer material capable of being coated on the surface of a transducer, and the film-forming sensitive layer material comprises chitosan, a crosslinking component with the content of 0.1-5wt% in terms of glutaraldehyde and magnetic core-shell molecularly imprinted particles after being dried, the magnetic core-shell molecularly imprinted particle contains a ferroferric oxide magnetic inner core, a silicon dioxide middle layer and a molecularly imprinted polymer shell layer, and the shell layer is a cyclodextrin methacrylate and ethylene glycol dimethacrylate copolymer network and takes 1, 2, 4-trichlorobenzene as a template. The material keeps the membrane integrity and long-term stability under the working conditions of circulation and regeneration and also gives consideration to quick response, and the residual 1, 2, 4-trichlorobenzene is controlled to be not greater than 0.10 wt% and the residual glutaraldehyde is controlled to be not greater than 0.5 wt%. The method is used for relieving structural mass transfer contradiction and processing and coating coupling contradiction caused by high filler load, and has online detection application value.

The utility model discloses a kind of storage devices for cranberry processing, belong to cranberry processing technical field, to solve the existing technology aims at solving the traditional cranberry storage mode of existing technology usually is to directly stack the fruit after picking on the ground of warehouse or simple container, large amount of accumulation can make between fruit mutual extrusion, affect the quality of whole batch cranberry Problem. Including storage box, baffle and locking mechanism, the upper surface of storage box is provided with feeding opening, the inside of storage box is arrayed with multiple groups of layer plates, multiple groups of layer plates divide the inside of storage box into multiple independent storage cavities, the sidewall of storage box is respectively provided with baffle corresponding multiple storage cavities. The storage device for cranberry processing, cranberry can be automatically stored in different storage cavities in layer, avoid the centralized extrusion of large amount of fruit, effectively maintain the integrity and freshness of cranberry, reduce juice loss and loss of nutrient composition.

The utility model discloses an ecological vegetation restoration planting frame, which belongs to the technical field of ecological vegetation planting and comprises a frame body, a soil fixing net and a pipeline group. Wherein the frame body is provided with an upward opening, the non-opening surface of the frame body is provided with a channel for water and soil to pass through, the soil fixing net covers the channel, the pipeline group is buried in the frame body, the pipeline group comprises a main pipeline and an auxiliary pipeline, the main pipeline and the auxiliary pipeline are communicated with each other, and a plurality of uniformly distributed vent holes are formed in the main pipeline and the auxiliary pipeline. The utility model has the advantages that the soil fixation net can intercept silt to form preliminary filtration; the pipeline group forms an air gallery positioned in the frame body, so that root systems of plants planted in the planting frame can obtain good ventilation; the two are combined to realize efficient balance of water and soil conservation and root system ventilation.

The invention relates to the field of agricultural product processing equipment, in particular to a pot body overturning structure and an automatic discharging device based on the pot body overturning structure, the pot body overturning structure comprises a machine body and a pot body assembly, and the pot body assembly is rotationally connected to the machine body; the pot body overturning assembly drives the pot body assembly to overturn around the rotation center of the pot body assembly, and the pot body overturning assembly comprises a servo motor, transmission teeth and an arc-shaped gear ring; the controller is arranged on the machine body; the sensor group is used for detecting the position state of the pot body assembly after overturning and resetting, and the controller is used for controlling the pot body overturning assembly to execute overturning and resetting actions according to a signal fed back by the sensor group. After processing is completed, the pot body overturning assembly automatically enables the pot body assembly to conduct overturning discharging, manual participation in discharging operation is not needed, the production efficiency is improved, safety is higher, the discharging process is controllable and low in impact through a buffer block and a buffer plate, and the complete shape and quality of discharged tea leaves are effectively kept.

The embodiment of the application provides an interferometric phase denoising method and device, relates to data processing technology, and the interferometric phase denoising method comprises the following steps: performing multi-scale frequency decomposition on an original interferometric phase map based on a preset frequency domain filtering window to obtain hierarchical phase signals containing different frequency components; calculating residual components of adjacent levels according to the difference between principal component signals of adjacent levels to obtain residual domain signals corresponding to each level respectively; performing denoising processing on the residual domain signals by using a pre-trained denoising model to obtain denoised residual domain signals corresponding to each level respectively; and performing phase reconstruction on the denoised residual domain signals corresponding to each level respectively to obtain a target interferometric phase map.The application can effectively maintain the authenticity and integrity of the phase structure while suppressing noise, effectively reduce the generation of artifacts and improve the convergence stability, and ensure the reliability of phase unwrapping and subsequent deformation inversion.

The utility model provides an automobile front bumper and an automobile, and relates to the technical field of automobiles. The automobile front bumper comprises a protective bumper and a license plate frame, wherein the protective bumper is provided with a winch hole; at least part of the license plate frame is movably arranged in the capstan hole, so that the capstan hole can be at least switched between the shielding state and the non-shielding state. Through linkage cooperation of the license plate frame and the capstan hole, the license plate frame and the capstan hole can be arranged at the same position of the protective bar, the space of the front bar is effectively utilized, and the problem that the size of a traditional front bar is too large due to installation of a capstan is solved.

The application provides a rotating hook, relates to the technical field of hooks, and comprises a hook body, a shell, a hoisting shaft, rotating shafts, a transmission mechanism and a switch mechanism, a hook seat capable of supporting the hook body is fixedly installed in the shell, the hoisting shaft is rotatably connected to the hook seat, the hook body is installed at the bottom end of the hoisting shaft, two rotating shafts are arranged, the two rotating shafts are rotatably connected to the two sides of the hook seat respectively, pulley mechanisms are installed on the two rotating shafts and are used for supporting the hook body to move up and down, the transmission mechanism is arranged on the hook seat and is used for driving the two rotating shafts and the hoisting shaft to rotate in linkage, and the switch mechanism is arranged on the shell and is used for controlling the start and stop of the transmission mechanism. Through the technical scheme, the technical problem that the hook rotating technology in the related art is difficult to consider precision, efficiency, structural simplicity and practicality and is difficult to meet the demand of modern port hoisting operation is solved.

This invention discloses a hardware acceleration method and accelerator for Transformer based on mixed-precision quantization and Huffman coding. The acceleration method includes: using a genetic algorithm to obtain several configuration schemes for mixed-precision quantization of Transformer network layers; performing mixed-precision quantization on each Transformer network layer based on each quantization configuration scheme to obtain a corresponding KL divergence; training a multilayer perceptron to obtain a quantization configuration prediction network using the quantization configuration scheme and the corresponding KL divergence as the output label and input feature, respectively; receiving a user-set target KL divergence value, using the quantization configuration prediction network to obtain the corresponding quantization configuration scheme, and performing mixed-precision quantization on each network layer based on the quantization scheme; and using Huffman coding to encode and compress all quantization weights before on-chip storage. This invention can reduce storage and computational overhead while maintaining model accuracy.

The application provides a wine aging method, and belongs to the technical field of wine brewing, which comprises the following steps: adjusting the sulfur content of separated base wine to obtain base wine with adjusted sulfur content; sterilizing oak barrels by steam fumigation; filling the base wine with adjusted sulfur content into the sterilized oak barrels to obtain full oak barrels; aging the full oak barrels, the humidity of the aging environment is 65RH%-75RH%, and the temperature of the aging is adjusted according to the season, and the full oak barrels are regularly adjusted in sulfur content during the aging process. The wine aging method provided by the application can regularly adjust the sulfur content of the wine liquid once every 28 days during the aging process, accurately supplement the content of key components in the wine liquid which is reduced due to natural consumption, and avoid the concentration of the components being lower than the appropriate interval of aging.

The application relates to the technical field of financial audit data processing, and discloses a multi-dimension accounting data processing method and system, which comprises the following steps: obtaining initial balances and voucher records of a multi-accounting combination, searching for a set of existence characteristic parameters of an accounting dimension entity, and binding a time sequence constraint boundary formed by a starting time stamp and an ending time stamp to a dimension node according to a business rule to construct a dimension level topology tree; determining the inclusion relationship between a journal entry date and an end node; when the journal entry date exceeds the boundary, searching for the nearest effective parent node upwards along the topology tree, and resetting the accounting identifier of the journal entry to be mapped to the searched effective parent node, the application realizes automatic identification of the dimension life cycle and the misalignment of the journal entry time sequence through time sequence topology constraint, eliminates isolated data points caused by business termination from a logical level, and ensures the logical self-consistency of multi-accounting data in the time sequence dimension.

The invention discloses a grain size control method of a reclaimed material hard alloy, which comprises the following steps: S1, component analysis of the reclaimed material: the proportion of oversize products is 0-8% when the reclaimed material passes through a 110-120-mesh sieve; s2, burdening according to the use ratio of the reclaimed material being 50%-99% and the ball-to-material ratio being (2-5): 1, carrying out a ball milling test, preparing a sample, and detecting the coercive force; s3, the raw material ratio and the ball-to-material ratio are equal to those in the step S2, and a mixture is obtained through batching and ball milling; s4, the mixture is subjected to compression molding, and a pressed blank is obtained; and S5, the pressed blank is subjected to pressure sintering, and the reworked material hard alloy with the grain size being 2.0-3.0 microns is obtained. The method is simple and easy to implement, the grain size of the regenerated material can be accurately judged, the integrity and uniformity of alloy grains can be ensured, the prepared regenerated hard alloy has good physical performance, the performance very close to that of a raw material alloy can be achieved, and the application field of the regenerated hard alloy is widened.

The air fryer comprises a long cooking cavity and a reflection cover arranged above the cooking cavity in a covering mode, a metal heating pipe and a fan are arranged in the cooking cavity, the reflection cover comprises a transversely-extending top wall and a first side wall extending downwards from the tail end of the top wall, the lower end of the first side wall transversely extends outwards to form a flow guide wall, and the flow guide wall is communicated with the metal heating pipe. The tail end of the flow guide wall extends downwards to form a second side wall, and the lower end of the second side wall transversely extends outwards to form a supporting wall. The top wall and the first side wall define a fan cavity for containing a fan, a steam exhaust port communicated with the atmosphere is formed in the first side wall, the flow guide wall forms a downward-protruding turbulent flow part at the steam exhaust port, and the cold end of the metal heating pipe is hung on the flow guide wall and is opposite to the turbulent flow part. According to the air fryer, by reasonably setting the shape of the reflecting cover and the arrangement mode of the heating pipes, the cooking uniformity of the air fryer with the long cooking cavity is effectively improved, and the use experience of a user is improved.

The utility model discloses a fresh cut flower peony transportation damping flower stand, which relates to the technical field of fresh cut flower transportation equipment, and comprises a base, upright posts, a top plate, a damping component and a peony fixing device, the stand column is vertically arranged at the top end of the base, and the top plate is arranged at the top end of the stand column. A plurality of supporting plates are arranged between the base and the top plate, and the four corners of each supporting plate are fixed to the stand columns respectively. The damping assembly is arranged at the top end of the supporting plate. According to the Chinese herbaceous peony fixing device, the placing plate is provided with the placing groove, Chinese herbaceous peony can be preliminarily fixed, the elastic fixing pieces can be flexibly adjusted according to the number and size of the Chinese herbaceous peony, the Chinese herbaceous peony is firmly fixed on the placing plate through connection of the hook-and-loop fasteners on the first elastic strip and the second elastic strip, the Chinese herbaceous peony is prevented from shaking and shifting in the transportation process, and flowers are further protected.

The utility model discloses an automobile seat safety belt fixing structure, which is characterized in that a safety belt lower lock catch is fixed at the lower side end of a seat framework and is exposed outside a seat surface sleeve, an upper safety belt plug and a lower safety belt plug are sleeved on a safety belt braid, and the safety belt lower lock catch is used for the insertion of the lower safety belt plug; the upper lock catch assembly comprises a metal plate support and a safety belt upper lock catch for an upper safety belt plug to be inserted, the metal plate support is welded to the side end of the upper portion of the seat framework and located at the end opposite to the safety belt lower lock catch, a mounting hole for a bolt to penetrate through is formed in the metal plate support, and the safety belt upper lock catch is fixed to the metal plate support in the mode that the bolt is matched with a nut. An opening is formed in the position, corresponding to the safety belt upper lock catch, of the seat face cover, the opening is closed through a zipper, and the safety belt upper lock catch can be exposed when the zipper is unzipped. The child seat can meet the using requirements of children and adults, and meanwhile the safety and comfort of sitting of the children are improved.

A storage device includes a memory device and a storage controller including a security management module to manage security data of the storage device. The security management module includes a security manager to receive a command related to the security data, determine a current security mode of the storage device in response to receiving the command, and control access to the security data based on the current security mode. The current security mode includes one of a first security mode in which the security manager allows access to the security data, a second security mode in which the security manager allows limited access to the security data, and a third security mode in which the security manager prevents access to the security data.

An upturning type door body hinge with a random stop function comprises a driving arm fixedly connected to a door body and a fixing frame fixedly installed on a box body, one end of the fixing frame is rotationally provided with an output shaft, the outer cylindrical surfaces of the two ends of the output shaft are sunken to form an outer connecting table and an inner connecting table respectively, and the outer connecting table and the inner connecting table are connected with the driving arm. One end of the connecting rod is clamped and mounted on the inner connecting table, and the driving arm is clamped and connected to the outer connecting table; the other end of the connecting rod is hinged to a pull arm, the other end of the pull arm is connected with a sliding rod, and the sliding rod is installed in a movable groove formed in the fixing frame in a sliding mode. A spring is arranged between the sliding rod and the fixed frame, when the door body is turned upwards, the connecting rod is driven to swing through the output shaft, the pull arm stretches the spring, and the tension of the spring is balanced with the gravity of the door body, so that the door body can be paused at any position.

The invention provides a dynamic sampling vehicle track processing method and device, a medium and equipment. The method comprises the following steps: acquiring current track point data of a target vehicle; determining attribute characteristics of the current track point data based on the current track point data and the historical track point data, predicting next track point data, and determining a leaving state of the current track point data; determining a sampling proportion of the target vehicle based on the current track point data and the historical track point data; on the basis of the sampling proportion, track data of the target vehicle in a road section corresponding to the current track point data and the historical track point data are reserved; whether the current track point data is normal or not is judged according to the historical track point data, the next track point data is predicted according to the historical track point data so as to judge whether the current track point data is reserved or not, and the sampling proportion of the corresponding road section is determined according to the track point data, so that track point sampling and storage can be performed in a more targeted manner. The compression rate is improved, and the integrity and authenticity of the track are kept.

The invention discloses a preparation method of a water-permeable material for a water-permeable tree surrounding brick, belongs to the technical field of preparation of water-permeable brick materials, and aims to solve the technical problem that the mechanical property and durability of the water-permeable tree surrounding brick prepared from the water-permeable material in the prior art need to be further improved. The zwitterionic grafted porous silicon-aluminum dispersion, the magnesium-silicon gel composite magnesium carbonate dispersion and the ettringite composite hydroxyapatite whisker are introduced in the preparation process, and a continuous cementation structure, an interface transition structure and a space constraint support structure are cooperatively constructed on different structural scales; a stable and matched composite system is formed among the cementing phase, the aggregate and the pore structure, and the coordination and stability of the whole structure of the water-permeable tree surrounding brick are effectively maintained through the synergistic configuration of the multiple components in the system, so that the structure integrity and the use reliability are considered while the material meets the water-permeable requirement; the method is suitable for the field of garden and municipal permeable pavement.

This invention discloses a zinc thiocate modified copper current collector for electrodeless lithium metal batteries and its preparation method. Thioctic acid and zinc acetate are dissolved in solvents, and a composite solution is prepared by the coordination interaction between zinc ions and the carboxyl groups of thiocate. This composite solution is then spin-coated onto the surface of the copper current collector to form an ordered protective coating. This invention synergistically regulates the interface through the dual functions of zinc ions: firstly, zinc ions act as divalent coordination centers, cross-linking with thiocate molecules to construct a stable and regularly arranged protective coating; secondly, zinc ions act as lithiophilic nucleation sites, reducing the lithium nucleation overpotential, inducing uniform lithium ion deposition, and significantly inhibiting lithium dendrite growth. The modified current collector of this invention achieves a synergistic improvement in interface stability and electrochemical activity, enabling the battery to possess excellent cycle life and high safety, providing a novel interface design strategy for high-performance electrodeless lithium metal batteries.

This utility model relates to the field of door lock technology, specifically a positioning and rotating handle device. It includes a mounting plate with a positioning ring installed in the center. A handle component is rotatably connected to the outside of the positioning ring. The handle component includes a rotating part, the front end of which is fitted onto the positioning ring. A spring is installed inside the rotating part, and a steel ball is attached to the end of the spring. The positioning ring has several equally spaced positioning grooves arranged in a ring on the side near the handle component. When the handle component rotates, the steel ball engages with each positioning groove in sequence, increasing rotational stability and feel. In this positioning and rotating handle device, the spring pushes the steel ball to engage with the positioning grooves on the positioning ring, achieving precise positioning of the handle component during rotation. Each rotation, with the steel ball embedding into the positioning groove, provides clear tactile feedback to the user, preventing any play or jamming during operation. It is particularly suitable for applications requiring high operational precision, improving stability and reliability.

The invention provides an electrolyte and a secondary battery. The electrolyte comprises an organic solvent, a lithium salt, a film-forming additive and a metal corrosion inhibitor, the mass ratio of the metal corrosion inhibitor in the electrolyte is 0.001-2%; the metal corrosion inhibitor is a benzotriazole compound and / or a sulfonate compound; the chemical formula of the sulfonate compound is R-SO3M, R is C1-C16 straight-chain alkyl or phenyl-substituted C1-C12 straight-chain alkyl, and M is selected from any one of Li, Na and K. The invention further discloses a preparation method of the sulfonate compound. By adding the metal corrosion inhibitor according to the type and the mass ratio into the electrolyte, a protective layer can be formed on the surface of the steel shell of the cylindrical battery, so that the contact between acidic byproducts in the battery and the surface of the steel shell is isolated, the corrosion of the steel shell is inhibited, and the storage performance, the cycle life and the safety of the battery are further improved.

The application discloses a kind of cultivation of smell and headspace analysis combination's odd nan hand string nondestructive identification method, it is related to precious timber true and false identification and quality detection technical field, including following step A: sample pool data model establishment: a1, sample selection: collect the cultivation of different producing areas, gram weight, shape and size odd nan hand string genuine sample not less than 200;Collect by high pressure injection paste, press oil, bubble medicine, high throwing, immersion paste smearing and non-lignum aquilariae imitated fake sample not less than 200;A2, electronic nose data acquisition: using electronic nose to the sample carries out smell data acquisition, acquisition condition includes;By being provided with electronic nose data acquisition and key sensor screening, the whole identification process does not need to be destructively treated to sample any cutting, grinding etc., completely maintain the integrity and value of hand string, and electronic nose detection can be completed within 1 hour, headspace mass spectrum analysis as supplementary means can be completed within 3 hours, improve detection efficiency.

The invention relates to the technical field of photovoltaic supports, in particular to a sloping roof photovoltaic support and a construction method thereof, and the photovoltaic support comprises a plurality of back pull assemblies, a plurality of ground beam assemblies and a plurality of photovoltaic mounting base assemblies. The back pull assembly comprises a rear wall inclined strut, a rear wall transverse strut and a back pull, one end of the rear wall inclined strut is arranged on the rear wall of the house, the other end of the rear wall inclined strut is arranged on the back pull, one end of the rear wall transverse strut is arranged on the rear wall of the house, and the other end of the rear wall transverse strut is arranged on the back pull; the ground beam assembly comprises a front wall inclined strut, a front wall transverse strut and a ground beam, one end of the front wall inclined strut is arranged on the front wall of the house, the other end of the front wall inclined strut is arranged on the ground beam, and one end of the front wall transverse strut is arranged on the front wall of the house. After being installed, the support is not connected with the roof, and an original waterproof layer or waterproof tiles of the roof are prevented from being damaged; by arranging the positioning assembly, positioning installation of the back pull and the ground beam is conveniently achieved, and the construction efficiency is improved.

The invention discloses a complex weather small target detection system based on multi-scale image enhancement and dynamic domain adaptation, and the system comprises an LMIENet image enhancement module, an SC2f deformable convolution feature extraction module, and a DDA dynamic domain adaptation module, and the detection method of the detection system comprises the following steps: a, collecting a plurality of types of weather scene images, and constructing an original image data set; b, data cleaning and refined labeling; c, performing image enhancement preprocessing; d, dividing a structured data set; e, training and calibrating an LMIENet image enhancement module; f, constructing a detection network integrated with deformable convolution; g, introducing joint training adapted to a dynamic domain; h, pipeline construction and end-to-end optimization; and i, system performance verification. According to the method, multi-scale feature fusion, complex weather preprocessing and dynamic domain self-adaption are integrated, and the detection precision and robustness of the small target under the complex weather condition can be effectively improved.

The invention relates to the technical field of sewage treatment, and discloses trestle construction rain sewage recovery treatment equipment which comprises a treatment box, a bearing seat is fixedly connected to the inner wall of the treatment box, a drainage plate is fixedly connected to the outer wall of a shaft rod of the bearing seat, and first meshes are evenly formed in the surface of the upper half section of the drainage plate; second meshes are evenly formed in the surface of the lower half section of the drainage plate, a driving assembly is arranged at the bottom of the drainage plate and comprises a supporting wheel, the supporting wheel can rotate and can increase the inclination angle of the drainage plate during rotation, and a cleaning assembly capable of alternately cleaning the first meshes and the second meshes is arranged at the bottom of the drainage plate. Through the driving assembly and the cleaning assembly, switching of the filtering states of the two meshes is achieved, and solid impurities clamped in the second meshes in the filtering process and impurities blocked on the inner walls of the first meshes after the first meshes play the filtering effect for a period of time can be removed under the effect of the cleaning assembly; sewage can continuously flow in from the water inlet pipe to be treated.

The application belongs to the technical field of lead frame preparation, and provides a preparation process of a multilayer composite structure low-radian lead frame; firstly, a macromolecular boundary lubricant containing a phosphorus-nitrogen heterocyclic structure and a sulfurized long-chain fatty acid ester extreme pressure agent are respectively prepared through multiple chemical reactions, the two functional additives are compounded with poly-alpha-olefin base oil to form a synergistic lubricant; the lubricant is uniformly coated on the surface of a multilayer composite metal strip before stamping and forming, and the core stamping step includes: high-speed precision blanking, low-radian bending forming and flattening of the strip after pre-operation; through the synergistic effect of the two additives, boundary lubrication protection of the workpiece and extreme pressure wear resistance of the mold are realized, and the surface quality and forming precision of the lead frame are improved.

The invention discloses a gradient effect-based liquid drop directional self-transport pattern scanning electrolysis device and method, the device comprises a micro electrode module and an electrolytic bath, and the micro electrode module is connected to a three-axis linkage platform; a workpiece clamp is arranged in the electrolytic bath; electrolyte is contained in the electrolytic bath; the workpiece clamp installs a workpiece; the workpiece clamp is connected with an anode of an electrolysis power supply, a microelectrode of the microelectrode module is connected with a cathode of the electrolysis power supply, the electrolysis power supply is switched on, and an electrolysis loop is formed among the microelectrode, the electrolyte and the workpiece clamp. A micro electrode is controlled by a three-axis linkage platform to perform scanning electrolysis according to a preset scanning path, scanning speed, electrolysis voltage and electrode spacing, and a wetting pattern with a gradient effect is constructed on the surface of a workpiece, so that a non-equilibrium surface tension difference is generated on a front contact line and a rear contact line of a liquid drop and is converted into a Laplace pressure difference; the method has the advantages of being flexible in design, high in preparation precision and free of surface heat damage.

The utility model relates to the technical field of irrigation supports, and discloses a plant irrigation support which comprises a first pipe body and limiting shaft supporting assemblies which are symmetrically arranged, and a soil pressing assembly is arranged at the lower end of the first pipe body. The soil pressing assembly is composed of a rotating piece, a sliding disc and double pedals, a soil piercing tip is arranged at the bottom of the rotating piece, a first annular groove and a second strip-shaped groove are formed in the middle of the rotating piece, and the sliding disc is matched with the first groove and the second groove through a protruding block to slide and be locked through the axis. During installation, the protruding block is clamped in the first groove, the pedal is treaded to press down the rotating piece and compact soil at the same time, during detachment, the rotating piece is rotated to enable the protruding block to slide into the second groove, and the pedal is treaded to lift up the rotating piece to achieve lossless pulling out. The supporting assembly comprises an angle-adjustable first rod body and a telescopic second rod body and is matched with a foot pad with barbed nails at the bottom to enhance the supporting stability. According to the structure, through the synergistic effect of the soil pressing assembly and the supporting assembly, the problem that loose soil and grassland are damaged when a traditional support is pulled out is effectively solved, and the advantages of being stable to install and environmentally friendly to disassemble are achieved.

The invention relates to a cosmetic packaging device (10) comprising a body (12) having a neck (20) and a dispensing tip (14). The dispensing tip (14) is inserted into the neck (20) so that the packaging device (10) has a clamping region in which the dispensing tip (14) exerts a radial force on the neck (20). The distance between the clamping region and the distal end (24) of the neck (20) is greater than or equal to a quarter of the internal diameter (D) of the neck (20) in the clamping region, the dispensing tip (14) not exerting a radial force on the neck (20) between the clamping region and the distal end (24) or on the distal end (24). The invention also relates to an associated assembly method.

The utility model belongs to furniture technical field especially relates to sofa of inside -recessed telescopic table board and linkage mechanism, concretely relates to a built -in sofa. The utility model includes riding unit, extension unit, and riding unit includes cushion, handrail, backrest, extension unit includes first extension board, is equipped with first cavity in first extension board, and first cavity has first opening, the inboard of cushion is equipped with sliding slot, and the lifting groove that communicates with sliding slot, lifting groove sets up between sliding slot and second opening, lifting groove is inclined from sliding slot one side upwards, first extension board is installed in second cavity, and first extension board side end is equipped with connecting rod, and the slider that is installed in sliding slot and lifting groove is equipped on connecting rod. The utility model provides the additional desktop space that can unfold for user through setting hidden telescopic table board in the inside of cushion.