67results about How to "Avoid intensity" patented technology

The invention relates to the field of animation rendering, and provides an intelligent rendering method for realizing an animation picture, which comprises the following steps of: firstly, collecting an initial animation picture, identifying a scene of the initial animation picture, analyzing an animation effect demand, carrying out picture analysis in combination with style characteristics to obtain a scene picture element, and detecting an element type to determine a special effect demand degree; a special effect rendering scheme is generated; an adaptive color mode is queried; visual atmosphere parameters are evaluated to calculate a color adjustment amount; a color optimization strategy is constructed; and determining a rendering target based on the special effect rendering scheme, the color optimization strategy and the visual angle adjustment plan, optimizing a picture to obtain a record, monitoring the rendering quality, and finally generating an intelligent rendering scheme. According to the invention, the efficiency and quality of animation picture rendering can be improved.

The utility model relates to the technical field of sensors, in particular to a sensor with high pressure resistance. The sensor with the high pressure resistance comprises a shell and a core body, the shell is provided with a first mounting port and a second mounting port which are communicated with the interior of the shell, the first mounting port is used for being communicated with an outlet of a pressure container, the second mounting port is used for mounting the core body, and the first mounting port and the second mounting port are located at the two axial opposite ends of the shell respectively; wherein the inner wall of the shell is provided with an inner surface, the outer wall of the core body is provided with an outer surface, and the inner surface and the outer surface are in interference fit in a mounting state. According to the scheme, the problem that the core body is damaged due to the fact that the welding temperature is too high can be avoided, and the problem that the connecting strength of the shell and the core body is limited due to the size of a welding point can also be avoided.

The invention discloses a low-carbon concrete material containing solid wastes and a preparation method of the low-carbon concrete material, and relates to the technical field of concrete materials. The concrete material is prepared from the following components in parts by weight: 520 to 660 parts of a cementing material, 1380 to 1650 parts of aggregate, 1.218 to 1.845 parts of an additive and 25 to 45 parts of other additives, specifically, the cementing material is prepared from 250 to 300 parts of cement, 120 to 150 parts of fly ash, 100 to 130 parts of slag powder, 20 to 30 parts of silica fume and 30 to 50 parts of metakaolin. A large amount of solid wastes are used in the formula, so that the pollution pressure on the environment is effectively reduced by utilizing the wastes; by reducing the use amount of the cement and replacing part of the cement with various solid wastes, the carbon emission in the concrete production process is effectively reduced, and the raw material cost is reduced.

The invention provides a vibration damping device of an auxiliary bridge parallel to a main bridge, which comprises a torsion type damping unit arranged between a main beam of the auxiliary bridge and a main beam of the main bridge adjacent to the auxiliary bridge, and the torsion type damping unit comprises a torsion type damper, a transmission assembly and a fixing assembly, the torsion type damper is installed on the side wall of the main beam of the main bridge through the fixing assembly, the transmission assembly comprises a dowel bar for transmitting vibration in the vertical bridge direction and the side bridge direction of the auxiliary bridge and a conversion swing rod for converting linear motion of the dowel bar into rotary motion, and the torsion type damper comprises a torsion shaft. The torsion type damper is connected with the side wall of the auxiliary bridge main beam through the torsion shaft, the conversion swing rod and the dowel bar which are hinged in sequence. The method has the advantages of improving the vibration reduction effect of the auxiliary bridge, reducing the using amount of the damper and the like.

The utility model relates to the technical field of sensors, in particular to a sensor with high pressure resistance. The sensor with the high pressure resistance comprises a shell and a core body, the shell is provided with a first mounting port and a second mounting port which are communicated with the interior of the shell, the first mounting port is used for being communicated with an outlet of a pressure container, the second mounting port is used for mounting the core body, and the first mounting port and the second mounting port are located at the two axial opposite ends of the shell respectively; wherein an inner conical surface is arranged on the inner wall of the shell, an outer conical surface is arranged on the outer wall of the core body, and the outer conical surface is in interference fit with the inner conical surface in an installation state. According to the scheme, the problem that the core body is damaged due to the fact that the welding temperature is too high can be avoided, and the process of installing the core body into the shell is more convenient.

The invention relates to the field of batteries, and provides a battery clamp and a preparation method thereof. The battery clamp comprises a first clamping plate, and a first clamping groove is formed in the first clamping plate; a second clamping groove is formed in the second clamping plate, and under the condition that the first clamping plate is installed on the second clamping plate, the first clamping groove and the second clamping groove form a clamping space used for clamping the outer circle face of the battery; the telescopic supporting rod is connected to the first clamping plate or the second clamping plate. The battery clamp can effectively clamp the outer circular surface of the battery and prevent the battery from moving or sliding off in the operation process, so that the stability and the safety of operation are ensured. And the design of the clamping groove fully considers the protection of the battery, so that the damage to the battery caused by too large clamping force of a traditional clamp is avoided, the service life of the battery is prolonged, and the maintenance cost is reduced.

The invention discloses a red light therapeutic apparatus capable of on-line calibration, which relates to the field of red light physiotherapy, and comprises a red light therapeutic unit which serves as a core control end of each functional part and functional module and provides a red light projection therapeutic function with adjustable angle and intensity; the recognition unit is used for collecting and recognizing an appearance image before irradiation and an action image during irradiation of the to-be-irradiated area of the user; the calibration distribution module is used for providing an angle adjustment instruction in irradiation for the angle adjustment component and providing a corresponding area light source intensity adjustment instruction for the light source adjustment component based on comprehensive analysis of the acquired and acquired identification data acquired by the identification unit; according to the device, the to-be-treated area of the body of the user is autonomously recognized and planned, irradiation with the accurate range and intensity is carried out according to the actual treatment requirement of the patient, the irradiation angle and intensity are adjusted in real time according to the change of the action of the user, and actual irradiation data are verified and corrected.

The invention discloses a preparation method of a porous fiber with a nano cellulose fibril stable bubble structure. Comprising the following steps: adding a nanocellulose fibril dispersion liquid and a foaming aid into a polymer solution, mixing, and dispersing the mixed solution to obtain a spinning solution; injecting gas into the spinning solution, and stirring to obtain a bubble type spinning solution; the bubble type spinning solution is subjected to wet spinning to obtain the porous fiber. The nanocellulose fibrils have a diameter of 10 nm or less and a length of 500 nm or more. The porous fiber prepared by the method provided by the invention has an elliptical internal closed-pore structure and high strength. Compared with a traditional solid fiber, the porous fiber shows low volume density and heat conduction efficiency due to the existence of an internal closed-pore structure, so that the thermal insulation performance is better, and the internal closed-pore structure provides more possibilities for functional modification such as phase change capsule coating, nano-particle loading and medicine loading.

The invention provides a bearing and a preparation method thereof, a compressor and an air conditioner, and the preparation method of the bearing comprises the following steps: sequentially carrying out powder mixing, compression molding, sintering and steam treatment on raw material powder of the bearing to obtain the bearing; raw material powder of the bearing at least comprises iron powder, graphite powder, copper powder and an antifriction additive, and the antifriction additive is used for reducing friction force between a cutting tool and the bearing when the bearing is cut.

The invention relates to the technical field of greenhouses, in particular to a greenhouse film dedusting method and system for a greenhouse. The method comprises the following steps: acquiring target greenhouse film images of a plurality of greenhouses; for a first greenhouse film image without foreign matters in the target greenhouse film image, collecting illumination intensity, light transmittance and greenhouse film spectral data of the greenhouse corresponding to the first greenhouse film image; processing the greenhouse film spectrum data to obtain the greenhouse film thickness of the greenhouse corresponding to the first greenhouse film image; when the illumination intensity and the light transmittance are both smaller than the corresponding preset illumination intensity and preset light transmittance, dust removal is conducted on a greenhouse film of the greenhouse corresponding to the first greenhouse film image through a drip washing device and a brush device; or when the greenhouse film thickness is larger than the preset greenhouse film thickness, dust removal is conducted on the greenhouse film, corresponding to the first greenhouse film image, of the greenhouse through the drip washing device and the brush device. According to the method, the cleaning efficiency of the greenhouse film of the greenhouse is improved.

The utility model relates to a kind of taking and placing manipulator for counterweight block production line, including the roller line for conveying counterweight block, the roller line end is equipped with baffle, the side at the roller line end is provided with taking and placing mechanism, the taking and placing mechanism includes six-axis mechanical arm of vertical setting, the execution end of the six-axis mechanical arm is vertically provided with suspension plate, and parallel gripper is respectively longitudinally symmetrical fixedly connected in the both ends of suspension plate, two parallel grippers can be grabbed to the corresponding end of counterweight block conveyed to baffle.The taking and placing manipulator of the utility model can replace manual operation, avoid the strength and security risk of artificial handling, reduce the risk of injury.

The invention discloses a remote controller accessory assembling and welding device and a using method thereof, and relates to the technical field of accessory welding, the remote controller accessory assembling and welding device comprises an assembling and welding device body, a welding system is installed on the assembling and welding device body, a base is arranged on the assembling and welding device body, and an angle adjusting mechanism is arranged on the base; the angle adjusting mechanism is connected with the transmission mechanism, the bottom end of the angle adjusting mechanism is connected with the height adjusting mechanism, the height adjusting mechanism is connected into the base, a moving mechanism is arranged on the side wall of the base, remote controller accessories are placed on the transmission mechanism, and a clamping piece is further arranged on the transmission mechanism. The clamping piece is used for clamping and fixing the remote controller accessory; according to the device, an operator is allowed to adjust the angle of a welding head in the welding process, it is ensured that the welding head can be accurately adjusted according to the specific shape and the welding position of an accessory, and therefore the welding accuracy is improved, and insufficient welding strength or poor welding spots caused by angle mismatching are avoided.

This invention relates to the field of caisson bottom sealing construction technology, and discloses a dynamic sealing sludge and water inrush sealing system for caissons. The system integrates a bottom sealing template assembly, a dynamic sealing baffle, a novel quick-setting sealing grout injection assembly, a drainage and pressure relief assembly, a fixing and anchoring assembly, and an anti-sludge isolation assembly. The bottom sealing operation is completed through an integrated process of layered sealing, immediate curing, and simultaneous bottom sealing. During construction, the base is first cleaned and the components are installed; after the dynamic sealing baffle is deployed, it is hydraulically attached to the base plate and the water inrush point is detected; then, quick-setting grout is injected into the leakage area in a targeted manner, and drainage and pressure relief are simultaneously activated to regulate the pressure; after the grout has quickly set, the baffle is retained as a permanent water-stopping structure; finally, underwater concrete is continuously injected through a pre-set pipeline, and an anti-sludge isolation layer is set to ensure the density of the concrete. This system simultaneously achieves rapid water inrush sealing, dynamic pressure balance, and high-quality bottom sealing, solving the problems of poor sealing time, poor process connection, and difficulty in controlling the quality of underwater concrete in traditional processes.

This invention relates to the field of machining fixture technology, specifically to a rapid clamping device for preventing deformation of thin-walled parts. The device includes a base plate with four support columns on its top side wall. The outer side walls of the four support columns are fixedly connected to the same support plate. The support plate has two sliding strips at its top. One side wall of the support plate has a guiding mechanism for guiding the part. The outer side walls of the support columns are slidably connected to a clamping and positioning mechanism for holding and positioning the part. This rapid clamping device for preventing deformation of thin-walled parts employs an integrated design with the guiding mechanism and the clamping and positioning mechanism working in tandem. The guiding mechanism can precisely and quickly transport the thin-walled part to the designated workstation via transmission. The limiting block and the flipping plate work together to prevent offset and slippage during part transport, ensuring accurate part transport posture.

The invention belongs to the technical field of optical thin film detection, and particularly discloses an optimization method of an optical thin film detection system, which is used for solving the problems of weak interference resistance, poor pollution resistance and insufficient complex scene adaptation of the traditional detection system. The method comprises the following steps: pre-selecting a light needle beam with a needle-point-shaped cross section as a light source, defining a source plane light field, and constructing a limited energy generation condition through apodization operation; setting a plurality of groups of regulation and control parameters for three transmission states of diffraction, non-diffraction and focusing; building an experiment system to generate a directional light needle light beam, simulating pollution and interference scenes, and collecting light field data of different transmission nodes before and after interference; and quantizing the light field similarity through a witness function, screening an optimal regulation and control parameter, and integrating the optimal regulation and control parameter to a detection system. According to the invention, the anti-interference and information stability are improved from the light source essence, the method is adaptive to ultrathin, multi-layer thin film and complex environment detection, the detection precision and long-term stability are obviously improved, and both practicability and economy are taken into account.

The utility model provides a kind of fruit tree crown layer penetration type pesticide application nozzle device, belong to fruit tree planting field, including fixed nozzle, the outer wall of fixed nozzle is fixedly connected with connecting ring, the inner wall of connecting ring is fixedly connected with bearing, the inner wall of bearing is fixedly connected with movable nozzle, the outer wall of movable nozzle is fixedly connected with limit block, the side swing connection of limit block has movable column.The utility model is provided with fixed nozzle, connecting ring, bearing, movable nozzle, limit block, movable column, inner spring, hollow block, liquid-permeable hole plate one, liquid-permeable hole plate two and spray head, so that the fruit tree crown layer penetration type pesticide application nozzle device is more convenient to use, the penetration degree during spraying can be adjusted, the adaptability of the device to the environment is improved, the problem of insufficient penetration or excessive penetration is avoided, the demand for different types of nozzle device is reduced, and the cost required for work is reduced.

The invention discloses flame welding chair frame connecting piece machining equipment which comprises a machining frame and a feeding device on the machining frame, a welding fracture opening is formed in the feeding device, an inclined sliding assembly is provided with an L-shaped flame welding device, and a welding fracture opening is formed in the welding fracture opening. The two L-shaped flame welding devices are combined to form a rectangle and wrap the outer side of the welding fracture opening, cooling devices are arranged on the L-shaped flame welding devices, the current temperature is known in real time through an infrared detection device according to the preset temperature range of the welding position, and when the temperature exceeds or does not reach the flame welding temperature, the cooling devices are started to cool the welding fracture opening. The temperature is adjusted by controlling the opening and closing distance between the two L-shaped flame welding devices, the closer to the welding position and the higher the temperature are when the two L-shaped flame welding devices are closed, and the farther away from the welding position and the lower the temperature are when the two L-shaped flame welding devices are opened. The problems that the material is scrapped due to high temperature and the welding strength is insufficient due to low temperature are prevented.

The application belongs to the technical field of tailings conveying, and discloses a buffer type stirring and slurry mixing device for tailings grading conveying, which comprises a stirring outer tank, a buffer inner tank movably arranged in the stirring outer tank, an elastic support structure for suspending the buffer inner tank on the stirring outer tank, and a self-adapting water inlet assembly and a mixing and stirring assembly. The application effectively prevents overpressure of a conveying pump and pipeline blockage caused by too thick slurry, avoids insufficient strength and segregation and delamination of a filling body caused by too thin slurry, and greatly improves process stability and safety of a filling system.

The utility model discloses a kind of winding mechanisms of sheet extruder, belong to winding mechanism technical field, including winding assembly, the winding assembly includes rack, the inside rotation of the rack is connected with support frame, one end of the support frame is rotatably connected with winding roller, and winding roller is used for the winding of sheet;Tensioning assembly and elastic component, the tensioning assembly is arranged in the top horizontal end of rack, and elastic component is used for the connection of tensioning assembly spare parts, the tensioning assembly is used for the tensioning pressure adjustment of sheet between guide roller to winding roller. Through the setting of tensioning assembly, by the down pressure of second cylinder, tensioning roller is driven to move up and down, so that tensioning roller is tensioned to the sheet conveyed between guide roller and winding roller, so as to ensure the tensioning force of sheet conveying process, avoid the winding quality reduction due to sheet conveying relaxation.

The utility model belongs to the technical field of mine ventilation, and particularly discloses a firm and reliable underground air quantity adjusting air door. The wall body of the air door is a wall transversely arranged in a roadway and is provided with a door opening, the sliding door is arranged on the wall body to open and close the door opening, and the rolling devices are arranged at the bottom and the top of the sliding door; a plurality of fixing piles consistent with the sliding direction of the sliding door are fixed above and below the door opening respectively, middle connecting pieces of the fixing piles are vertically fixed in the wall, baffles are exposed out of the surface of the wall, guide grooves are formed above and below the same face of the door opening respectively, and the guide grooves are fixedly connected with the baffles in the extending direction in sequence. The fixing piles are built on the wall, the guide grooves are fixedly connected with the baffles, exposed out of the wall, of the fixing piles in sequence, construction is convenient and fast, the guide grooves are firmly and reliably connected with the wall, the overall strength of the wall cannot be affected, and the fixing structure has the advantages of being simple in structure, convenient and fast to construct, economical, practical, firm and reliable.

The present invention discloses a heat treatment device for gear processing and a heat treatment process thereof, which belongs to the field of heat treatment technology, and includes a base, and a fixing frame is connected to the top of the base. In the present invention, the centering distance of the laser heat treatment mechanism can be adjusted by a trajectory control mechanism. Compared with the traditional quenching equipment, the synchronous heating of the gear tooth gap can be adapted by adjusting the gap distance, thereby improving the quenching uniformity during heat treatment, and at the same time, the relative cutting angles of multiple groups of laser heat treatment mechanisms on the circumferential side and the gear can be synchronously adjusted, and the main body of the laser quenching mechanism can be rotated and polarized relative to the gear during the quenching process to increase the quenching range, thereby avoiding the influence of uneven heating between the gear tooth gaps on the overall durability and strength of the gear, improving the uniform quenching effect of the gear heat treatment processing, and improving the strength and durability of the gear.

The invention discloses a steel sheet pile connecting structure, relates to the technical field of special sheet pile walls for foundation engineering, and aims to improve the strength and rigidity of a joint part for vertically connecting steel sheet pile sections. According to the technical scheme, according to the steel sheet pile connecting structure, adjacent steel sheet pile sections are connected through inserting pieces in the longitudinal direction and connected through locking openings in the transverse direction, the longitudinal direction of the steel sheet pile sections is the vertical direction in the construction period, and the transverse direction of the steel sheet pile sections is the extending direction of steel sheet piles on the horizontal plane in the construction period; the steel sheet pile section comprises a web and wing plates on the two sides of the web, and locking openings matched with each other are formed in the edges of the wing plates. The plug connector comprises two baffles and a connecting part between the two baffles, the gap between the two baffles is divided into an upper inserting groove and a lower inserting groove through the connecting part, the lower end of the steel sheet pile section on the upper portion of the plug connector is inserted into the upper inserting groove and fixedly connected with the upper inserting groove, and the upper end of the steel sheet pile section on the lower portion of the plug connector is inserted into the lower inserting groove and fixedly connected with the lower inserting groove. The method is used for connecting the steel sheet pile sections and forming the steel sheet pile.

This invention relates to the field of packaging machinery technology, and more particularly to a mesh bag threading machine, comprising: a mesh bag opening support assembly, wherein the opening edge of the mesh bag can be fitted onto the mesh bag opening support assembly; a mesh bag folding assembly, which can drive the opening edge of the mesh bag on the mesh bag opening support assembly to fold and deform; and a threading assembly, which can drive the rope to pass through the folded and deformed opening edge of the mesh bag. The mesh bag threading machine provided by this invention reliably positions and supports the opening of the mesh bag by setting the mesh bag opening support assembly, and automatically folds and shapes the opening edge in conjunction with the mesh bag folding assembly, and then automatically threads the rope in conjunction with the threading assembly. This allows the opening, folding, and threading processes to be connected in an orderly and continuous manner, thereby significantly improving the automation level of the processing process and the overall production efficiency, reducing manual intervention and operational errors; at the same time, the coordinated cooperation of each functional module helps to ensure the consistency of the mesh bag opening shaping and the threading position, improving the stability of product processing quality.

The utility model discloses an integrated busbar and a battery pack structure, and relates to the technical field of batteries, the integrated busbar comprises a support, a plurality of conductive plates and a circuit board, the support is provided with a force unloading part and a plurality of assembling grooves, and the force unloading part and the plurality of assembling grooves are spaced; the conductive plates are correspondingly mounted in the assembly grooves; and the circuit board is mounted on the bracket and is connected in series with the plurality of conductive plates. According to the scheme, the battery cells and the current-conducting plate in the battery pack structure are heated and expanded, the plurality of battery cells extrude each other, and interaction force is generated between the current-conducting plate and the battery cells connected with the current-conducting plate, so that the current-conducting plate extrudes the groove wall of the assembly groove; and when stress is generated in the bracket, the force unloading part is tightened, so that the effect of releasing the stress is achieved, the problem of fracture or structural strength fatigue caused by relatively large stress generated in the bracket is avoided, and the service life of the integrated busbar is prolonged.

The embodiment of the utility model provides an aerated concrete wall surface material paving structure which is paved on an aerated concrete base layer and comprises a waterproof layer coated on the aerated concrete base layer. The first plaster layer is laid on the waterproof layer; the anti-crack layer is laid on the first plaster layer; and the second plaster layer is laid on the first plaster layer so as to cover the anti-crack layer. And the plane material is fixed on the second plaster layer through an adhesive layer. The waterproof layer is firstly coated on the surface of the aerated concrete base layer, so that the waterproof effect of the aerated concrete base layer is improved. Therefore, the aerated concrete base layer can be prevented from absorbing moisture in the first plaster layer and the second plaster layer, maintenance of the plaster layers is facilitated, meanwhile, external moisture can be prevented from being absorbed into the aerated concrete in the construction and application process, and strength reduction and deformation of the aerated concrete are avoided.

The invention discloses a conical bearing retainer manufacturing method. The conical bearing retainer manufacturing method comprises the steps that S1, a long-strip rectangular plane fabric belt is designed; s2, the first long edge of the flat fabric belt is bent in the direction perpendicular to the flat fabric belt to form a turned edge; s3, bending the flat fabric belt from the end part to form a bending area; s4, a plurality of window holes formed at intervals are formed in the circumferential direction of the bending area, and window beams are formed on the two sides of the window holes; s5, slope pressing treatment is conducted on the window beam, and a slope surface is formed; s6, according to the circumferential size of the preset conical bearing retainer, the end of the bending area is curled, and part of the bending area is curled into an annular structural body with taper; s7, the annular structural body is cut and separated from the flat fabric belt; and S8, the two ends of the annular structural body are welded, and the conical bearing retainer is obtained. According to the method, the material utilization rate can be increased, the machining cost is reduced, the technological process is simplified, the machining time is shortened, the yield is increased, and the production and machining efficiency is effectively improved.

The invention provides a high-efficiency pretreatment method for bamboo property testing, which comprises the following steps: soaking bamboo in a composite anti-corrosion solution, soaking in a cold composite anti-corrosion solution, repeatedly heating, soaking the bamboo in a composite wax solution, wiping the wax solution on the surface, cleaning the surface of the bamboo by using a high-pressure cleaner, and drying. According to the efficient pretreatment method for bamboo property testing, the borate solution and the sodium silicate are mixed, acetic acid and ethyl alcohol serve as gels for compounding, the loss resistance of boron bamboo preservatives is improved, the boron bamboo preservatives permeate and are solidified and attached to bamboo cell walls, the positive effect on the size stability of bamboo is achieved, and the service life of the bamboo preservatives is prolonged. The wax liquid is added into the bamboo, the resole is added into the wax liquid, the wax liquid and the resole jointly permeate into the bamboo, the effect of bonding fiber tube bundles is achieved, the permeated wax liquid is converted into a solid state, external moisture and moisture can be prevented from invading, and therefore the size stability of the bamboo is improved.

The application is suitable for the technical field of support regulation and control, and discloses a water-rich roadway tunneling support regulation and control method based on real-time geophysical prospecting feedback, which comprises the following steps: obtaining initial support parameters of a to-be-tunneling section and real-time geophysical prospecting data in front of a current tunneling face; determining a predicted evolution curve of the surrounding rock of the to-be-tunneling section under the current tunneling disturbance based on the real-time geophysical prospecting data and a preset surrounding rock stability analysis model; obtaining surrounding rock deformation measured data of a section exposed in the current tunneling process, correcting the surrounding rock stability analysis model according to the measured data, and generating a corrected surrounding rock evolution curve of the to-be-tunneling section by using the corrected surrounding rock stability analysis model. The application effectively solves the defect that a traditional support scheme cannot respond to dynamic changes of surrounding rock in a tunneling process in real time due to the dependence on static and discrete drilling data, improves the prediction accuracy of the surrounding rock stability analysis model, and provides a geological basis for dynamic support regulation and control.

This utility model relates to a cleaning device for pathological slide tissue holders, including a handle and a connector attached to the handle. A water inlet pipe is rotatably connected to the connector, a rotating seat is connected to the water inlet pipe, a rotating ring is rotatably connected to the rotating seat, and a brush body is connected to the rotating ring body. The water inlet pipe is connected to the brush body. The technical solution of this application offers the following advantages: the rotating ring body drives the brush body to rotate, and combined with the continuous water supply design of the water inlet pipe, the cleaning water and the brush body work synchronously and dynamically. The rotational movement of the brush body can cover all areas of the tissue holder surface, avoiding the problems of local omissions or uneven force in traditional manual brushing, significantly improving cleaning efficiency, especially suitable for thorough cleaning of complex structures or tiny crevices. The combination of the handle and connector provides the operator with a stable grip point, reducing fatigue during long cleaning sessions; the water inlet pipe can rotate flexibly at multiple angles through the rotating seat and rotating ring body, improving user comfort.

The utility model provides a kind of battery shell and battery, wherein, battery shell includes shell body, the explosion vent hole being opened in shell body, and the explosion vent hole is sealed with the explosion vent hole cooperation and explosion vent piece, explosion vent piece is fixed in shell body by the welding layer formed by welding track, welding layer includes first track and second track, wherein first track is long side section, starting weld point is set on first track, can provide linear heat transfer path to avoid heat accumulation, heat two-way symmetrical diffusion can also significantly reduce thermal stress gradient, and provide enough power buffer space, starting weld point is also away from geometric mutation area to reduce stress concentration coefficient, by reconstructing starting weld point position, avoid the risk that explosion vent piece welding appears warping, welds and leaks, solve the structural failure problem of thin-walled shell explosion valve, synergistically realize power battery energy density promotion and safety performance promotion.