8results about How to "Improve connection security" patented technology

The invention discloses a nonmetal composite hydrogen conveying hose with a multi-form hydrogen blocking layer, and belongs to the technical field of hydrogen conveying hoses, the nonmetal composite hydrogen conveying hose comprises an external pipe, the bottom end of the external pipe is connected with a butt-joint pipe, the bottom end of the butt-joint pipe is connected with a composite hose, the bottom end of the butt-joint pipe is connected with a first sleeve in a penetrating mode, and the top end of the butt-joint pipe is connected with a second sleeve in a penetrating mode; the first sleeve is sleeved on the outer wall of the composite hose, the second sleeve is sleeved on the outer wall of the external pipe, a cavity is arranged in the butt-joint pipe, and a sealing measuring assembly is slidably connected in the cavity of the butt-joint pipe. A complete hydrogen conveying structure is integrally formed by a composite hose, a butt joint pipe and an external pipe, the butt joint pipe is fixedly connected with the composite hose and the external pipe in a sleeving mode through a first sleeve and a second sleeve, an inner cavity provides an installation and sliding space for a test sealing assembly, and the composite hose is of a multi-layer composite structure of a hydrogen conveying pipe, a first hydrogen blocking layer and a second hydrogen blocking layer. And a multi-form hydrogen blocking system with double hydrogen blocking layers and a hydrogen transporting base layer is formed.

The utility model discloses an automobile control arm assembly, which belongs to the technical field of automobile accessories and is characterized in that the surface of a control arm assembly body is provided with a lightening hole, a ball head component, a bushing component and a rubber sleeve, the outer side of the rubber sleeve is provided with a reinforcing sleeve, and the inner wall of the rubber sleeve is in contact connection with a connecting rod; the automobile control arm assembly comprises a rubber sleeve, a connecting rod is arranged on the rubber sleeve, a first fastening sleeve and a second fastening sleeve are connected to the surface of the connecting rod through threads, and connecting parts are arranged on the surfaces of the first fastening sleeve and the second fastening sleeve. The use stability of the rubber sleeve is effectively improved, and the fastening sleeves can be prevented from rotating or loosening due to vibration through the anti-falling blocks arranged on the two fastening sleeves and the anti-falling grooves formed in the two anti-falling sleeves, so that the connecting rod is separated from the control assembly body, and the connecting safety of the connecting rod is greatly improved.

The application relates to the technical field of sealing joints, in particular to a sealing joint for a high-pressure hydrogen gas conveying pipeline, which comprises a male connector seat, a female connector seat and a valve core group, the joint ends of the male connector seat and the female connector seat are respectively provided with lock plates and flange joint plates, the outer periphery of the flange joint plate is provided with wedge locking blocks and screw rods, the opposite surfaces of the lock plate and the flange joint plate are respectively provided with first sealing ring groups and second sealing ring groups, the surface of the lock plate is provided with a sealing gasket, the valve core group comprises a core shaft, a spring, a valve sleeve and a guide head, and a gradually tapered section, a throat section and a gradually expanded section flow channel structure are formed between the valve sleeve and a flow channel. The male connector seat and the female connector seat are quickly locked and connected through the wedge locking blocks, a composite sealing structure is formed through labyrinth sealing and elastic sealing, the static pressure of a joint jointing area is reduced through the Venturi effect, the hydrogen gas leakage driving force is reduced, a multilayer leakage prevention mechanism is formed, and the sealing joint has the advantages of good sealing performance, high connection stability and suitability for high-pressure hydrogen gas conveying working conditions.

The utility model discloses a kind of line connection reinforcing structure's surge protector, belong to surge protector technical field.It includes body, wiring hole and bolt, further include reinforcing mechanism being arranged above wiring hole.Reinforcing mechanism includes outer ring, the block head of linkage with outer ring, the limit block one being fixed in one side of block head, and including limit block two control component;Limit block two movably set in the other side of block head.Press outer ring to drive block head to slide, limit block one and limit block two are locked from both sides Block head, realize the compression of cable.Body side wall is additionally provided with splicing mechanism, splicing mechanism includes the vice cooperation with the triangular block on another body, for realizing the quick splicing between multiple bodies.The utility model is set reinforcing mechanism and splicing mechanism, solved the wiring in prior art easy to loosen, the problem that multiple protector splicing is complicated, with connection high reliability, security is good, the advantage of easy installation.

The utility model relates to the technical field of electrical cabinets, and particularly discloses a modularized wiring structure in a cabinet body, which comprises a wiring frame, two first limiting plates are arranged on the inner side of the wiring frame, a first wiring plate is arranged between the two first limiting plates, and the first wiring plate is in sliding connection with the first limiting plates. The outer side of the first wiring plate is provided with a plurality of groups of first clamps for accommodating wire harnesses; two second limiting plates are arranged on the outer side of the wiring frame, a second wiring plate is arranged on the outer sides of the second limiting plates, the second wiring plate is in sliding connection with the second limiting plates, and multiple sets of second clamps used for containing wiring harnesses are arranged on the side, away from the second limiting plates, of the second wiring plate; the first wiring board and the second wiring board are designed in an adjustable mode, the restraining position can be adjusted according to the on-site circuit arrangement condition, flexibility is good, after the wiring harness is restrained, the two wiring boards are locked through the positioning assembly, it can be guaranteed that the two wiring boards do not move after the wiring harness is arranged, and circuit connection safety is improved.

This invention relates to the field of electric vehicle battery replacement technology, specifically to an automotive battery module employing a quick-locking and positioning structure. The module includes a battery body with a fixing frame on its outer wall and a fixing mechanism on its top. The fixing mechanism includes a docking unit on the top of the fixing frame, comprising a fixing bolt. The bottom of the fixing bolt is fixedly connected to the fixing frame, and the top of the fixing bolt has a top surface. The outer wall of the top surface has a mounting groove, and the outer wall of the fixing bolt near its center has a latch. An mounting cavity is formed inside the fixing bolt. A push rod is slidably connected inside the mounting cavity, and the top of the push rod has a top head that slidably connects to the inner wall of the mounting groove. This invention improves assembly efficiency and accuracy through integrated positioning and locking, enhances vibration resistance and anti-loosening safety through dual mechanical locking, optimizes disassembly and assembly logic, and reduces operation and maintenance costs through a purely mechanical design.

The invention relates to the technical field of wireless network communication, real-time audio and video transmission and rapid equipment pairing, in particular to a local area network image transmission method based on two-dimensional code session guidance, which comprises the following steps: after an image transmission device is connected with routing WiFi or a client hotspot, starting an HTTP control service and an audio and video stream pushing service; the plug flow service comprises plug flow based on a UDP (User Datagram Protocol) and an optional RTSP (Real Time Streaming Protocol) session service; and the device obtains a local area network IP and a port to construct a control URI and a media URI, and packages control or media access information, a one-time session token, a validity period, a device public key commitment value and a transmission strategy parameter into JSON session guide information to generate a two-dimensional code for display. The user side scans the two-dimensional code and then verifies the commitment value and the session token, a secure session bound with the equipment is established, and a control channel is upgraded to a WebSocket two-way channel after HTTP handshake; a media channel adopts UDP transmission and feeds back time delay change and packet loss statistics through an RTCP, a sending end performs congestion control based on time delay gradient estimation and an adaptive threshold value, and adaptively selects mixed NACK or FEC packet loss recovery and jitter buffer target delay according to round-trip time delay and a packet loss rate. Therefore, quick connection, impersonation resistance and low-delay stable preview can be realized under the weak network condition.

The application discloses a live working under parallel groove clamp electric installation device and a wire connecting method, which comprises a clamp body and an insulating rod, the top of the insulating rod is detachably connected with a clamping mechanism, an assembly groove for placing the clamp body is formed in one side of the clamping mechanism, a wire pre-clamping mechanism is connected to the other side of the clamping mechanism, and a clamp locking mechanism is connected to the bottom of the assembly groove. The clamping mechanism, the wire pre-clamping mechanism and the clamp locking mechanism are arranged, electric driving and mechanical design are adopted, the wire is quickly and accurately connected, the efficiency and safety of wire connection in live working are improved, the labor intensity of operators is reduced, and a powerful guarantee is provided for stable operation of a power system.