16results about How to "Prevent accidental fall off" patented technology

The utility model discloses a suspensible modular wireless charging storage device for office scenes, which integrates the functions of wireless charging, modular storage and suspension, and comprises at least one product shell, a V-shaped storage groove, a card storage groove, a W-shaped storage groove and an elastic storage groove are arranged on the front end surface of the product shell, and the device can be butted and spliced left and right and can be connected with a mobile phone wireless charging groove. The V-shaped storage groove is used for fixing long-strip-shaped articles, the card storage groove is matched with card type articles, the W-shaped storage groove is matched with small office supplies of different sizes, the elastic storage groove clamps small articles, the device is further provided with a hidden winding bin for managing cables, the top of the device is provided with a hanging connector, the bottom of the device is provided with a base and an anti-skid rubber pad, and all the components can be connected in an inserted mode or a mortise and tenon mode or a magnet mode. According to the device, the space utilization rate is optimized, the problems that office table cables are disordered, small objects are scattered and the like are solved, the device is suitable for various office table top scenes, and the using convenience and flexibility are improved through the modular design.

The utility model discloses a composite multi-channel connector, which adopts an innovative structural design of a plug assembly and a socket assembly to realize power supply signal integrated transmission. The plug assembly comprises a nested insulator and a split type shell structure, a fixed shell and a sleeve shell are assembled and linked through a clamping ring groove and a clamping protrusion, and the side face of the shell is provided with a double-buckle structure (a first buckle is arranged on the fixed shell, and a second buckle is arranged on the sleeve shell). The socket assembly is correspondingly provided with a double-clamping-groove system, and when connection is in place, double mechanical locking is formed, the first clamping buckle is embedded into the first clamping groove to achieve main fixing, and the second clamping buckle is embedded into the second clamping groove to form auxiliary locking. According to the design, through cooperative action of the split type shell and a double-buckle system, the connection stability is remarkably improved, and accidental loosening is effectively prevented. And meanwhile, the design of the limiting channel not only ensures the insertion guide precision, but also provides an assembly space for the clamping groove mechanism, so that the connector has high functional density and reliable connection performance, and is suitable for the multi-channel transmission requirement under complex working conditions.

This utility model discloses a soil conditioner spraying device, including a mobile cart. A recessed frame is provided on the left side of the top surface of the mobile cart. A first connecting port is provided at the bottom of the inner cavity of the recessed frame. A driving mechanism is symmetrically arranged on both sides of the inner cavity of the recessed frame. Multiple guiding mechanisms are respectively provided on both sides of the driving mechanism. A stabilizing mechanism is provided on one side of the driving mechanism and the guiding mechanism. A T-connector is provided between the stabilizing mechanism and the first connecting port. Spray pipes are respectively connected to both sides of the T-connector. A transmission pipe is connected to the right side of the T-connector. A liquid supply mechanism is connected to the right side of the transmission pipe. The driving mechanism includes a driving groove, a lead screw, a driving block and a servo motor. Through the cooperation of multiple structures such as the driving mechanism, guiding mechanism, stabilizing mechanism and liquid supply mechanism, the device is vibration resistant and prevents loosening. When the cart moves in rugged fields, the stabilizing structure can prevent the T-connector from accidentally falling off, reducing downtime for maintenance.

This utility model relates to the field of medical device technology, specifically to a syringe light-shielding protective sleeve. It includes a syringe barrel, a piston rod slidably connected to the syringe barrel, and a light-shielding outer sleeve installed on the outer wall of the syringe barrel. The outer surface of the light-shielding outer sleeve has graduation lines consistent with the size of the syringe barrel. An elastic ring is installed at one end of the light-shielding outer sleeve, and symmetrical fixing ears are arranged on the outer wall of the elastic ring. Anti-slip particles are provided on the inner wall of the elastic ring. In use, by providing an elastic ring at one end of the light-shielding outer sleeve and anti-slip particles on its inner wall, when the light-shielding outer sleeve is placed on the outer surface of the syringe barrel, the elasticity of the elastic ring and the anti-slip particles ensure a tight and secure fit between the outer sleeve and the barrel, preventing accidental slippage, enhancing safety, improving convenience, and allowing users to easily and quickly put on and take off the outer sleeve, thus optimizing the user experience.

This utility model relates to the field of jewelry accessory technology and discloses a square magnetic accessory for rope chains, including a first positioning seat and a second positioning seat. The outer surfaces of the first and second positioning seats are detachably connected. A slot is formed in the center of the top of the second positioning seat. A locking block adapted to the slot is fixedly connected to the bottom of the first positioning seat. Mounting holes are formed on the inner bottom wall of the slot and the outer wall of the locking block. Magnets are inserted and fixed into the inner sidewalls of the two mounting holes. This square magnetic accessory for rope chains uses a double locking mechanism of magnetic attraction and mechanical engagement. The mechanical cooperation between the slot and the locking block prevents the positioning seat from shifting laterally, while the magnets in the mounting holes provide longitudinal fastening force through magnetic attraction. The combination of these two features forms a double fixing structure, preventing the accessory from accidentally falling off during use. At the same time, the magnetic attraction characteristic allows for tool-free assembly and disassembly, making the operation convenient and enabling quick connection of the accessory to the rope chain. It is suitable for bracelets, necklaces, and other jewelry.

This utility model discloses a detachable and cleanable mascara brush handle structure, including a cap, a connecting handle, and a brush handle. One end of the cap has a limiting groove, and the inner bottom surface of the limiting groove has a first recessed groove, within which a first strong magnet is fixedly installed. The connecting handle has a second recessed groove at its end near the cap. In this utility model, the first and second strong magnets magnetically attract and fix the connecting handle and brush handle. This connection method has significant advantages over traditional fixing methods, such as glue adhesion or complex snap-fit ​​connections. When cleaning the brush handle, the user only needs to gently apply an external force opposite to the magnetic direction to separate the brush handle from the cap. The operation is simple and convenient. When cleaning the brush handle with water or a special cleaning solution, residual mascara stains at the base of the bristles and on the surface of the brush handle can be thoroughly removed, effectively preventing bacterial growth and protecting eye health.

The utility model relates to oil and gas well packer tool technical field, concretely is a kind of extruded rubber tube single slip bridge plug, including push cylinder, and push cylinder is fixed with the release lever;Release lever outer circumferential surface is sequentially arranged with central tube, slip seat and lower joint;Lower joint is fixedly connected with release lever by shearing pin;Central tube includes the connecting section and conical structure section that are sequentially arranged in axis direction, and connecting section is butted with push cylinder;Slip seat one end is set on conical structure section, and other end is fixed with lower joint;There is step surface between connecting section and conical structure section, and step surface and conical structure section are set with rubber tube;Release lever outer circumferential surface is also set with connecting sleeve, and connecting sleeve is screwed with central tube by its threaded connecting section, and is clamped with lower joint by its clamping section.The central tube structure of the utility model can make rubber tube and slip seat directly set on central tube, reduce the axial length of whole bridge plug, improve the adaptability of bridge plug in downhole limited space.

This utility model relates to the field of aluminum pot technology, and more particularly to a high thermal conductivity aluminum pot with a composite bottom structure. The technical solution includes: a composite bottom body, within which an aluminum pot body is fitted, and a lid is mounted on the aluminum pot body; heat-conducting fins are fixedly installed on the bottom end face of the composite bottom body, and a filling tube is embedded in the side end face of the composite bottom body; a first wavy groove is formed on the bottom end face of the inner wall of the composite bottom body, and a second wavy groove is formed on the bottom end face of the aluminum pot body; a handle and a locking block are installed on the outer surface of the composite bottom body, and a locking bracket is installed on the lid, the locking bracket being limited by the locking block; guide posts are installed on the inner wall of the composite bottom body, and guide grooves are formed on the outer surface of the aluminum pot body. This utility model meets the requirements for high thermal conductivity aluminum pots, optimizes thermal conductivity during use, reduces heat conduction resistance, and maintains good heat retention performance while ensuring efficient heat conduction.

This invention provides a propellant refueling connector and refueling device, including a connector body, a fixed frame on the outside of the connector body, a movable frame in front of the fixed frame, a cylinder, and a hook. The movable frame is axially movable. The cylinder body is connected to the fixed frame, and the piston rod is connected to the movable frame. The front end of the hook extends out of the front end of the connector body, and the rear end is hinged to the fixed frame via a first hinge shaft and also hinged to the movable frame via a second hinge shaft, with the second hinge shaft located outside the first hinge shaft. An elastic device is provided between the fixed frame and the movable frame, and the elastic device is sleeved on the outer periphery of the piston rod. In this technical solution, a flange-shaped movable frame is provided on the refueling connector, which drives the hook to move. An elastic device is added between the movable frame and the fixed frame. During the refueling process, even if the air path that drives the piston rod to extend malfunctions, the elastic force of the elastic device can still ensure that the connector and the refueling port are properly locked and sealed, ensuring the normal operation of the refueling.

The utility model relates to the technical field of building construction, and concretely discloses a building template for building construction convenient for quick splicing, which comprises two template bodies, a splicing mechanism, two mounting arc plates, a rotating groove, an installation arc block, a splicing block, a connecting hole, a connecting block, a fixed connection between the connecting block and the outer wall of the installation arc block, a push frame, and a fixed connection between the push frame and the connecting block. The splicing mechanism can quickly splice the two horizontally-oriented template bodies, improve the splicing efficiency, save the labor time and cost, shorten the construction period, and improve the stability and accuracy of the template body installation, making the construction process more efficient and flexible.

The utility model discloses a cat teasing stick clamping device belongs to pet toy accessory technical field. Include: suspension base body, the detachable connection with suspension base body, and the mounting cavity that connection support has set up along the axial direction, and the barrel wall of connection support is equipped with the gap and forms the clamping window, elastic clamping subassembly contains: sliding clamping core, can axially mobile place in the mounting cavity, and the lateral wall of sliding clamping core is equipped with the clamping groove that recesses inwards, spring, and two ends respectively act on sliding clamping core and connection support, wherein, the clamping groove and the clamping window meet after forming the mouthful of cat teasing stick for clamping, and spring drive sliding clamping core moves along connection support axial, and make the mouthful self -adaptation contract clamping, by this, realize to the cat teasing stick of different thickness, material quality can all stable clamping, and the adaptability and versatility of clamping device have been improved significantly.

This utility model relates to the field of agricultural machinery technology, and in particular to a mini-tiller with quick-change blades. It solves the problem that in existing technologies, the snap-fit ​​structure is prone to loosening due to vibration or torque impact, causing the blades to detach from the mounting base, posing a serious safety hazard. Furthermore, this structure lacks effective anti-loosening measures, relying solely on spring force to maintain the connection, which is prone to fatigue failure after prolonged use, further reducing connection reliability. A mini-tiller with quick-change blades includes a push frame, a drive module connected to the top of the push frame, and a transmission module connected to the bottom of the push frame. This utility model, by setting a positioning block that cooperates with a fixing column and using positioning screws for reinforcement, and simultaneously utilizing magnetic attraction to enhance connection strength, combined with a double-locking design of the positioning plate and fixing plate, effectively prevents the blades from loosening and falling off during operation, improves the overall structure's vibration resistance and load-bearing capacity, and ensures safety and reliability under high-intensity operation.

The utility model relates to the field of electric shovels, in particular to an electric shovel bucket opening chain connecting device which comprises a bucket, a bottom opening bucket rotationally mounted on the inner wall of the bucket, an iron chain connected with the bottom opening bucket and a mounting mechanism arranged on the face, away from the bucket, of the bottom opening bucket. The connecting mechanism is used for connecting the iron chain and the mounting mechanism; the mounting mechanism comprises a mounting rod arranged on the bottom open hopper, a mounting block connected with the mounting rod, a sliding block arranged in the mounting block and a force application mechanism arranged between the sliding block and the mounting block. The electric shovel has the effects of reducing abrasion of the electric shovel and saving the maintenance cost.

This utility model relates to the field of ecological restoration technology and discloses an ecological restoration device for polluted water bodies in a watershed. It includes uprights, with a vertical rod fixedly connected to the top of two adjacent uprights, and a horizontal rod fixedly connected to the top of two adjacent vertical rods. A planting trough is fixedly connected to the top of the uprights, and a top cover is fitted onto the top of the planting trough. Multiple water passage holes are provided on the outer walls of both the planting trough and the top cover. Multiple biofilm carriers are fixedly connected to the bottom surface of the planting trough, and an adsorption box is fixedly connected to the bottom surface of the uprights. Multiple support rods are fixedly connected to the outer wall of the upper vertical rods, and a solar panel is fixedly connected to the top of the support rods. In this utility model, nitrogen and phosphorus nutrients in the water are absorbed by the plant roots in the planting trough, the biofilm carriers provide a surface for microorganisms to attach and grow, and the adsorption box is filled with activated carbon and adsorption materials to adsorb and remove pollutants from the water, further purifying the water quality.

The utility model relates to unmanned equipment flight control technical field especially a control device for controlling unmanned equipment flight, including quick detach mechanism, it includes controller body and rocker, the lower end fixed setting of rocker has the first insert block, the lower end of first insert block is inserted and is connected and sets up the fixed block for quick installation, is provided with the clamping limiting assembly for quick dismounting installation on first insert block, secondary fixing mechanism, it includes the vertical sliding slot of opening in the middle part of first insert block, the lower end fixed setting for quick clamping and separation M type limiting slot of vertical sliding slot, M type limiting slot inner chamber sets up the insert limiting assembly for inserting and fixing, and the periphery of insert limiting assembly is provided with the telescopic component for secondary downward pressure separation. The problem that the prior art exists between rocker and controller connection process complicated and inconvenient dismounting has been solved.