12results about How to "Implement double locking" patented technology

The application discloses an angle adjuster of a handlebar riser pipe, a handlebar riser pipe and a two-wheeled vehicle, and relates to the technical field of bicycles, wherein the angle adjuster comprises a riser pipe mounting assembly, a front fork pipe mounting piece, a tightness adjusting assembly and an angle adjusting disc; the riser pipe mounting assembly is used for mounting a two-wheeled vehicle riser pipe; the front fork pipe mounting piece is used for mounting a two-wheeled vehicle front fork pipe; the front fork pipe mounting piece can rotate relative to the riser pipe mounting assembly, so as to adjust the angle between the front fork pipe and the riser pipe; the tightness adjusting assembly and the angle adjusting disc are used for angle adjustment and angle locking. In this way, the problem of poor riding adaptability caused by the fixed handlebar angle in the prior art is solved.

The utility model relates to the field of building decoration and equipment installation, and discloses a novel anchoring assembly which comprises an anchoring base plate and L-shaped pressing plates, four sliding grooves are formed in the middle of the top end of the anchoring base plate, and the two L-shaped pressing plates are arranged at the top of the anchoring base plate in a sliding mode. Four sliding mandrels are fixedly arranged at the bottoms of the two L-shaped pressing plates, butt-joint type anti-falling blocks are fixedly arranged at the tops of the two L-shaped pressing plates, pressing plate clamping grooves are formed in the inner sides of the two L-shaped pressing plates, square pipes are connected into the two L-shaped pressing plates in a clamped mode, and clamping grooves are formed in the inner sides of the two L-shaped pressing plates. A sliding adjusting structure composed of a sliding groove of an anchoring base plate and sliding mandrels of L-shaped pressing plates is arranged, butt joint type anti-disengaging blocks are arranged at the tops of the two L-shaped pressing plates, when the L-shaped pressing plates are clamped, the anti-disengaging blocks are attached to each other to form a blocking face to prevent looseness, pressing plate clamping grooves are formed in the inner sides of the two L-shaped pressing plates, and therefore the anti-disengaging blocks can be clamped tightly. And the anti-falling tenon is clamped with the anti-falling tenon on the surface of the square tube, so that the square tube is fixed.

The breathing pipeline connector is used for being detachably connected with an air conveying pipeline and comprises a connector body and an elastic component arranged on the connector body in a sleeving mode, and the connector body and the elastic component are matched to form an airflow channel for fluid circulation; the connector body comprises a pipe body and two first cantilever structures arranged along the pipe body in an aligned mode, each first cantilever structure is provided with a pressing part and a clamping part, the air conveying pipeline is provided with a matching part matched with the clamping part, the breathing pipeline connector is connected with the air conveying pipeline through clamping matching of the clamping parts and the matching parts, and the pressing parts are connected with the pipe body. The pressing part can deflect relative to the pipe body under the action of external force so as to drive the clamping part and the matching part to be unlocked. Due to the fact that the two first cantilever structures are arranged along the pipe body in the aligned mode, a double-finger pressing area conforming to ergonomics is formed, pressing on the pressing part can be achieved through natural kneading of the thumb and the index finger, and therefore the pressing part is driven by one hand to move so as to achieve unlocking of the connector and the gas conveying pipeline.

The invention discloses clothes processing equipment which comprises a machine body, an assembly part, a locking mechanism and a trigger part, and a locking part is arranged on the machine body; the assembly part can move relative to the machine body; the locking mechanism is connected with the assembly part, and the locking mechanism is used for being matched with the locking part to lock the assembly part and the machine body; the trigger piece is arranged on the assembly piece and drives the locking mechanism and the locking part to be locked or unlocked. According to the clothes treating equipment, the locking mechanism is connected with the locking part in a matched mode, stable and reliable connection between the assembly part and the machine body is achieved, and the convenience and safety of user operation are improved through linkage of the trigger part and the locking mechanism.

The utility model discloses a building curtain wall, including the edge board, the edge board sets up T -shaped, and the edge board is set up curtain wall board and inserts the gap, the inside of edge board sets up curtain wall board, and the end of curtain wall board sets up the pressure joint device, and the pressure joint device includes two bracing bars, and one end of bracing bar sets up the connecting end, and two connecting ends are connected, and the other end of bracing bar is connected the pressboard, and the pressboard sets up in curtain wall board and inserts the gap, and one side of pressboard sets up the card male, and the card slot is seted up on the edge board, and the card male is carded in the card slot. Through the unique pressure joint device design, the edge board of T -shaped collocation has realized the double locking of curtain wall board, and the installation process of pressure joint device is extremely simple, only needs to make both sides card male preliminary alignment card slot, and then lifts up slightly to the bracing bar inner end, and then presses the bracing bar downwardly one time, can realize card male complete carding in card slot and mortise carding mortise slot simultaneously, does not need additional tools or complex steps, and the installation efficiency has been improved greatly, is especially suitable for high altitude operation.

The utility model belongs to the technical field of electric energy meters, and discloses a flip type electric energy meter, which comprises a shell and a flip cover, the shell is provided with a wiring part, an opening limiting part and a closing limiting part, and the closing limiting part comprises a first limiting bulge and a limiting groove arranged on the first limiting bulge; the turning cover is rotationally connected to the shell and has an opening position for exposing the wiring part and a closing position for covering the wiring part; an opening limiting matching part and a closing limiting matching part are arranged on the turning cover; the opening limiting matching part is used for being matched with the opening limiting part so that the turning cover can be kept at the opening position, and in the process that the turning cover rotates to the closing position from the opening position, the closing limiting matching part can abut against the first limiting protrusion and is finally clamped into the limiting groove. The clamshell of the clamshell type electric energy meter can be kept at an open position after being opened, so that wiring is facilitated; the flip cover can be kept at the closed position after being closed, so that the flip cover is prevented from being opened by mistake or upwarped, and an obvious hand feeling prompt is provided when the flip cover is closed.

This invention discloses a safety hook device to improve the suspension stability of the hook and ensure the safety of maintenance personnel. It includes a connecting rod, one end of which is connected to a hook body. Two locking tongues are rotatably mounted inside the hook body. Two second compression springs are mounted on the hook body, each located on the rotation trajectory of its corresponding locking tongue. A first pressure sensor is mounted on the upper side of each locking tongue, located outside the second compression springs. A push rod is rotatably mounted on the upper side of the hook body. The first compression spring and the second pressure sensor are positioned between the push rod and the hook body, and both are located on the rotation trajectory of the push rod.

The invention relates to an expansion locking structure and a wire coil with the same. The expansion locking structure is used for fixing a metal support on the wire coil. The positioning sleeve is connected to the bracket pipe in a limiting manner and is provided with a through hole along an axis L; the bolt is movably arranged in the through hole of the positioning sleeve and rotates around an axis L under the action of external force; the driving nut is arranged at the tail part of the bolt and is driven by the bolt to move on the bolt; the expansion sleeve is arranged on the bolt in a sleeving mode and located between the bolt and the positioning sleeve; limiting constraint is formed between the positioning sleeve and the bolt along the two ends of the axis L; the expansion sleeve restrains the circumferential movement of the driving nut, and the limiting nut can only move towards one side of the head of the bolt along the axis L and drive the expansion sleeve and the positioning sleeve, so that the expansion sleeve and the positioning sleeve expand outwards in sequence to form interference fit with the inner wall of the support pipe.

This utility model provides a quick-release exit guide table device for rolling mills, including a guide table body and multiple guide components arranged side-by-side along the length of the guide table body. Each guide component includes a wear-resistant component, a first positioning component, a second positioning component, and a groove, an installation space, a first through hole, and a second through hole formed on the guide table body. The wear-resistant component has a positioning through hole and is connected to the groove. The second positioning component is connected to the guide table body and is movably arranged along the length of the guide table body. One end of the second positioning component passes through the second through hole and abuts against the wear-resistant component. This changes the arrangement of the wear-resistant component from horizontal to vertical, thus changing the surface contact with the rolled steel strip head to line contact. It eliminates the risk of horizontal peeling, causing only minor wear, and prevents the rolled steel strip head from being unable to move forward due to insertion. At the same time, the wear-resistant component achieves double locking under the action of the positioning component, ensuring safety and reliability.

The application discloses a kind of non-contact measurement relay overtravel method, device and relay overtravel monitoring method, to be measured relay coil excitation voltage is applied;Collect the external leakage signal in the process that relay core is attracted, form the first curve that changes with time;Collect the voltage jump signal in the process that relay contact is closed, form the second curve that changes with time;Based on the first curve, determine the contact closing time when core is closed, based on the second curve;According to the time difference of the core closing time and contact closing time, determine the actual overtravel of the relay to be measured.The application can more accurately capture the mechanical action moment of core closing by collecting external leakage signal, and realizes the double locking of overtravel start and end point by combining with contact voltage jump signal, improves the anti-interference ability and accuracy of relay overtravel measurement.

An LED display screen includes a cabinet frame assembly, an LED display module disposed on the front of the cabinet frame assembly, and a power control box disposed on the back of the cabinet frame assembly. The cabinet frame assembly includes a frame body, upper locking members and lower locking seats disposed on the upper and lower sides of the frame body, and left locking members and right locking seats disposed on the left and right sides of the frame body. The upper locking members and lower locking seats are used to connect two adjacent LED displays in the vertical direction. The left locking members and right locking seats are configured to connect two adjacent LED displays in the horizontal direction at multiple predetermined angles. The right locking seat is a nut-shaped structure with a through hole. The nut-shaped structure is detachably installed on the frame body by a fastening component passing through the through hole. This LED display screen has the characteristics of combining a climbing frame and a handle frame, supporting angle connection, and being convenient, stable, and reliable in operation.

This application belongs to the field of waste lithium-ion battery recycling technology, specifically relating to a method for treating waste ternary lithium battery black powder based on pre-fixed fluoride treatment, including the following steps: S1, obtaining waste ternary lithium battery black powder and a fluoride-fixing agent as raw materials, wherein the fluoride-fixing agent consists of quicklime, sodium carbonate, and fly ash; adding the raw materials to water for stirring, a first reaction, and filtration to obtain a first solid residue; S2, calcining and cooling the first solid residue to obtain a second solid residue; S3, adding the second solid residue to water and introducing carbon dioxide for a second reaction, and filtration to obtain a lithium-containing solution and a fluorine-containing solid. This application achieves dual fluorine locking and efficient lithium recovery through the synergistic fluoride fixation of quicklime-sodium carbonate-fly ash and low-temperature calcination.