14results about How to "Improve contact strength" patented technology

The utility model relates to a waterproof wire passing sleeve, which belongs to the technical field of wire harness accessories and comprises a flexible sleeve, a limit groove is arranged outside the flexible sleeve and used for being embedded in a through hole of a shell, sealing rings are arranged on opposite surfaces of the limit groove, and a plurality of groups of waterproof flexible films are arranged on the inner wall of the flexible sleeve. The waterproof flexible film is provided with a gap through which a wire harness passes. The sealing rings are arranged on the opposite faces of the limiting grooves, the sealing rings make contact with the shell to deform, the contact strength of the flexible sleeve and the shell is improved, and then the sealing performance is improved. According to the waterproof structure, the multiple sets of waterproof flexible films are arranged, when the wire harness passes through the gaps in the waterproof flexible films and then makes contact with the waterproof flexible films, the waterproof flexible films deform, meanwhile, the multiple waterproof flexible films are arranged in a staggered mode to form non-complete sealing type water prevention, and external rainwater can be effectively blocked.

The invention relates to the technical field of oil and gas drilling, in particular to a mechanical dynamic seal structure, a motor dynamic seal mounting structure and a seal testing device.The mechanical dynamic seal structure comprises a mechanical dynamic seal static ring and a mechanical dynamic seal dynamic ring which are coaxially arranged, and a mechanical dynamic seal static ring support is arranged on the inner side of the mechanical dynamic seal static ring; a mechanical dynamic sealing movable ring bracket is arranged on the inner side of the mechanical dynamic sealing movable ring; a first annular groove is formed in one end of the mechanical dynamic sealing static ring support, and a static ring alloy ring is arranged in the first annular groove. A second annular groove is formed in one end of the mechanical dynamic sealing movable ring support, and a movable ring alloy ring is arranged in the second annular groove. The static ring alloy ring and the moving ring alloy ring are hermetically and rotatably abutted against each other; an expansion ring is fixedly arranged on the inner side of the other end of the mechanical dynamic sealing movable ring, and a sealing top cover is fixedly arranged at the other end of the mechanical dynamic sealing movable ring in a sealing mode. The static ring alloy ring and the movable ring alloy ring rotate mutually, movable sealing is achieved through the oil film, the sealing effect is improved, and the sealing ring can be suitable for sealing in the high-temperature and high-pressure severe working environment.

This utility model discloses a toothed structure for the grab bucket blade of a bridge crane, relating to the field of grab bucket technology for bridge cranes. It includes a first bucket body and a second bucket body connected by a fixed pulley. The first bucket body has four teeth, and the second bucket body has five teeth. The second bucket body also has four spacer slots. When the first and second bucket bodies are closed, each tooth of the first bucket body is located in one spacer slot. The teeth of the first bucket body are trapezoidal in shape and are located at the end furthest from the first bucket body. The teeth of the second bucket body are isosceles trapezoidal in shape and are located at the end closest to the second bucket body. This utility model, through optimized tooth structure and the use of wear-resistant materials, effectively improves the wear resistance and grabbing efficiency of the grab bucket, extending its service life. It is particularly suitable for handling hard materials such as ores and coal, reducing wear and malfunctions during operation.

The utility model relates to photovoltaic laying technical field discloses a kind of photovoltaic panel laying mounting frames for steep slope, including mounting frame body and at least two support mechanisms, and mounting frame body is suitable for carrying photovoltaic electric board;Two support mechanisms are respectively arranged in the opposite two sides of mounting frame body, and all are connected with mounting frame body, and any support mechanism includes the support drill rod and fixed structure connected with each other, one end of support drill rod is connected with mounting frame body, and the other end is suitable for inserting ground;Fixed structure includes at least two fixed components, two fixed components are respectively arranged in the opposite two sides of support drill rod, and all are connected with support drill rod, and any fixed component includes the fixed inner tube and fixed outer tube and fixed unit of sliding connection, one end of fixed inner tube is rotatably connected with support drill rod, fixed unit is connected with the one end of fixed outer tube away from fixed inner tube, and fixed unit is suitable for contact with ground, to fixed support support drill rod;The utility model is favorable to improve the stability of mounting frame.

The invention belongs to the technical field of wear resistance testing, and particularly relates to a wear resistance testing device and method for a luggage pull rod. Comprising a test box; a notch is formed in the test box; a box body is placed in the test box; the box body is positioned in the notch; a pull rod is slidably arranged on the side of the box; a position control clamping unit is arranged on the test box; the position control clamping unit comprises a first base; the two first bases are both mounted at the bottom of the test box; the two ends of the position control lead screw are connected to the opposite faces of the two first bases correspondingly. Two thread areas are symmetrically arranged on the position control screw rod; the thread directions of the two thread areas are opposite; the double-action testing device is arranged on the testing box; the double-action testing device comprises a limiting chute which is arranged at the bottom of the testing box in a penetrating manner; the limiting chute extends to the inner bottom surface of the test box; the pull rod can be smoothly pulled by the device, the device is prevented from being clamped due to the self-locking function of the device in the testing process, the testing effect and efficiency of the device are improved, and the limitation of the device in practical application is reduced.

This invention relates to the field of hydraulic press technology and discloses a hydraulic press device for producing metal trash cans, including a main body with four positioning rods fixedly connected to the top of the main body. When the arc-shaped plate continues to press the top of the can and rotates, it provides guiding friction to the can body. At this time, the metal area at the top of the can body is bent and shaped as the arc-shaped plate rotates. When the can body pushes the arc-shaped plate upwards, the arc-shaped plate pre-presses the metal at the top of the can body. Then, when the arc-shaped plate drives the metal of the can body to rotate and curl the edge, it enhances the curling force while reducing the likelihood of cracks appearing in the metal body during the curling process. By assisting in increasing the curling strength of the metal body, the arc-shaped plate further improves the integrity of the curling angle and increases the curling efficiency.

The utility model belongs to battery technical field discloses a kind of for solid-state battery's battery core pole group and solid-state battery.The battery core pole group for the solid-state battery includes positive plate, solid-state electrolyte layer and negative plate, and positive plate, solid-state electrolyte layer and negative plate are sequentially arranged to set up.And, the battery core pole group for the solid-state battery further includes at least one pore structure, pore structure is penetrated in positive plate, solid-state electrolyte layer and negative plate, pore structure is at least partially filled with elastic solid-state electrolyte, to make elastic solid-state electrolyte with positive plate, solid-state electrolyte layer and negative plate connection, can enhance the interface contact area of solid-state battery, release the stress caused by volume expansion of electrode material, improve the cycle performance of solid-state battery, and provide ion transmission fast channel, further improve the rate charge-discharge performance.

The utility model belongs to the technical field of electronic product structures, and particularly relates to a detachable anti-collision waterproof angle bead structure. The notebook computer shell comprises a notebook computer shell body and installation frame plates arranged at the corners of the notebook computer shell body, anti-collision angle beads are attached to the surfaces of the installation frame plates, frame plate installation holes are formed in the surfaces of the installation frame plates, and installation center cylinders correspondingly matched with the frame plate installation holes in position are arranged on the surfaces of the anti-collision angle beads. The bottom of the frame plate mounting hole is provided with an open hole allowing the positioning screw to pass through; the frame plate positioning holes are formed in the upper end face of the mounting frame plate. According to the anti-collision corner protector, the multiple sets of positioning insertion columns of the anti-collision corner protector stretch into the frame plate positioning holes, the installation center cylinder correspondingly stretches into the frame plate installation holes, the anti-collision corner protector is closed at the corner of the notebook computer shell through threaded connection of the positioning screws and the installation center cylinder, and the anti-collision corner protector is made of elastic materials of the anti-collision corner protector. And a good anti-collision effect is provided for the corners of the whole notebook computer shell.

The utility model discloses a casing sliding plate brick with a positioning device on the back surface, which comprises a sliding plate brick body and a steel shell, the sliding plate brick body is mounted in the steel shell, fire clay is filled in a gap between the sliding plate brick body and the steel shell, a positioning bulge is convexly arranged on a fire clay combined plate surface, adjacent to the steel shell, of the sliding plate brick body, and the positioning device is arranged on the positioning bulge. The positioning protrusions are located between the sliding plate brick body and the fireclay combination inner surface of the steel shell, and the free ends, away from the sliding plate brick body, of the positioning protrusions make contact with the fireclay combination inner surface. According to the sliding plate brick, the bonding strength of the sliding plate brick and fireclay is increased through the positioning protrusions arranged on the back face of the sliding plate brick, meanwhile, the positioning protrusions play a role in positioning and supporting in the shell loading operation, the thickness of the fireclay is convenient to control, and the labor efficiency and the production stability of the shell loading operation are improved.

The invention belongs to the technical field of fermentation, and particularly relates to a sealed cordyceps militaris fermentation device and method. Comprising an equipment table; a fermentation tank is arranged at the top of the equipment table, and a tank cover is further arranged at the top of the fermentation tank; the fermentation tank is also provided with a pressing densification structural member; the bottom of the tank cover is connected with a convex circular ring; the top of the fermentation tank is connected with a concave ring groove, and the concave ring groove is matched with the convex ring; the top of the can cover is further provided with a spin-coating glue sealing unit. An integrated rotation driving device is also arranged on the fermentation tank; the integrated rotation driving device comprises a driving motor, a clamping frame is installed on the driving motor, and a driving base is connected to the clamping frame. The sealing state of the fermentation tank is ensured by pressing the densification structural member, the phenomenon that the fermentation quality and yield of cordyceps militaris cannot be affected due to the fact that the tank cover and the fermentation tank are not connected in place is avoided, the fermentation effect of the device is improved, and the limitation of the device in use is further reduced.

The utility model discloses a high -end inverter high -current end piece formula capacitor, including by the core, and the capacitor shell that cladding setting in the capacitor main part of core outside is constituted, the both ends of core are connected with the connecting terminal through the electrode sheet, and the connecting terminal is including the terminal main part, and is set up in the head of terminal main part, and with the plug connector of electrode sheet connection, the tail of plug connector is equipped with the card hole. The utility model solves the problem of insufficient of capacitor in prior art to the high current resistance, and the high heat release, the fast temperature rise and the short service life.

This utility model belongs to the field of knife sharpener technology, and in particular to a replaceable manual knife sharpener, comprising a first housing and a second housing. A detachable magnetic connector is provided between the first and second housings, and the first and second housings, when connected, form the knife sharpener housing. A mounting groove is provided at the lower end of the knife sharpener housing. A limiting plate is integrally formed on the inner surface of the lower end of the knife sharpener housing, and a magnet is adhered to the surface of the limiting plate. An iron sheet attracted by the magnetic force of the magnet is provided on the surface of the mounting groove, and a sharpening blade is adhered and fixed to the lower surface of the iron sheet. The detachable connection between the first and second housings is achieved through the magnetic connector, allowing for quick disassembly or assembly of the knife sharpener housing without the need for tools. This not only facilitates the inspection and maintenance of internal components but also reduces space occupation during storage. Compared to traditional bolt fixing, the disassembly and assembly efficiency is improved by more than 50%.

This application discloses a distance detection module and an electronic device, belonging to the field of distance detection technology. The distance detection module includes a support component, a light-emitting component, a photosensitive component, and an encapsulation component; the support component has a triangular longitudinal cross-section and is provided with a first mounting surface, a second mounting surface, and a bottom surface. A light-shielding portion is provided between the first mounting surface and the second mounting surface, and the light-shielding portion is located on the side of the support component away from the bottom surface; the light-emitting component is disposed on the first mounting surface for emitting light; the photosensitive component is disposed on the second mounting surface for receiving light; the encapsulation component is encapsulated on the outside of the photosensitive component and the light-emitting component, and the light-shielding portion protrudes from the encapsulation component.

This utility model discloses a contactor housing structure and a contactor. When the upper cover and the base are closed, the first and second plug-in plates on the side sealing plate are respectively inserted into the first and second slots of the base. This not only completes the vertical docking of the upper and lower housings, but also achieves a deep horizontal fit at the connection between the upper cover and the base. The L-shaped plug-in structure provides a robust and reliable support for the housing body, directly transferring the lateral expansion force that may be generated at the terminal block to the more robust overall structure of the base through the plug-in plates, thereby effectively resisting deformation and preventing the housing from expanding. The L-shaped plug-in method changes the connection between the upper cover and the base from surface contact positioning to three-dimensional interlocking positioning, greatly increasing the contact area and mechanical interlocking strength at the connection of the housing body, which makes the overall rigidity of the housing body higher and more stable.