51results about How to "The connection is stable and effective" patented technology

A pointing device including a base section, an operating section shiftably supported on the base section, a magnet carried on one of the base section and the operating section, and a magneto-electro transducer carried on the other of the base section and the operating section at a location close to the magnet. The operating section includes a first part securely holding one of the magnet and the magneto-electro transducer and supported on the base section shiftably in a desired horizontal direction relative to the base section, and a second part connected to the first part and elastically biasing the first part toward a home position in a horizontal shifting range during a period when the first part is horizontally shifted along the base section. The second part of the operating section is provided integrally with a major portion substantially surrounding an entire circumference of the first part, a first connecting portion connected to the first part at one end of the major portion and a second connecting portion connected to the base section at another end of the major portion; the major portion exerting an even elastic biasing force irrespective of a shifting direction of the first part on the base section.

A pointing device including a base section, an operating section shiftably supported on the base section, a magnet carried on one of the base section and the operating section, and a magneto-electro transducer carried on the other of the base section and the operating section at a location close to the magnet. The operating section includes a first part securely holding one of the magnet and the magneto-electro transducer and supported on the base section shiftably in a desired horizontal direction relative to the base section, and a second part connected to the first part and elastically biasing the first part toward a home position in a horizontal shifting range during a period when the first part is horizontally shifted along the base section. The second part of the operating section is provided integrally with a major portion substantially surrounding an entire circumference of the first part, a first connecting portion connected to the first part at one end of the major portion and a second connecting portion connected to the base section at another end of the major portion; the major portion exerting an even elastic biasing force irrespective of a shifting direction of the first part on the base section.

The invention provides a coupling convenient to disassemble and a disassembling method, and relates to a coupling and a disassembling method. A plurality of notches are formed in the circumference ofa central positioning plate. Annular clamping grooves are concavely formed in the middle portions of the side walls of positioning cylinders and inserted into the corresponding notches. A plurality offirst arc-shaped clamping grooves are formed in the circumference of each shaft sleeve positioning plate. Shaft sleeve cylinders are coaxially and fixedly connected with the shaft sleeve positioningplates. The two shaft sleeve positioning plates coaxially abut against the two sides of the central positioning plate separately and are clamped between one corresponding ends of the side walls of themultiple positioning cylinders through the multiple first arc-shaped clamping grooves. A positioning clamp is arranged on the circumference of the central positioning plate in a clamping and sleevingmode and provided with a plurality of second arc-shaped clamping grooves. Each second arc-shaped clamping groove is in butt joint with the corresponding first arc-shaped clamping groove to form a positioning round hole matched with the end of the side wall of the corresponding positioning cylinder. Two limiting rods are fixed to each of the two sides of the positioning clamp, so that the shaft sleeve positioning plates are limited in the positioning clamp. The coupling is convenient and fast to disassemble, and the positions of shaft levers do not need to be changed.

A method for reinforcing an ecological greening fabric, including steps of: forming a trench (2) in an area to be afforested; laying a first ecological fabric (3) on the surface (1) of the area and in the trench (2); refilling a first soil layer (4) in the trench (2) to press the first ecological fabric (3); and fastening a second ecological fabric (5) on the first soil layer (4) to hold the first soil layer (4) by the second ecological fabric (5), so that the first and second ecological fabrics (4) and (5) in the trench (2) and the trench (2) jointly form a bag structure for fixing the first the soil layer (4). A structure for reinforcing an ecological greening fabric is also disclosed.

The invention belongs to the technical field of batteries and particularly relates to a graphene battery which comprises a battery core body, electrode blocks are mounted at two ends of the battery core body, the battery core body is sleeved with a protective shell, annular baffles are arranged at two ends of the protective shell, a sliding groove is formed in a side wall of the baffle at one endof the protective shell, and a locking block is connected into the sliding groove in a sliding mode; a matching ring is arranged at the outer end of the baffle at the other end of the protective shell, and a locking groove is formed in the outer wall, corresponding to the locking block, of the matching ring. According to the invention, the outer surface of the battery core body is provided with the protective shell and the baffles which can wrap the battery core body, so that the damage caused by direct impact between the battery core body and the external environment is effectively reduced; meanwhile, the locking block and the locking groove are formed in the baffles at the two ends of the protective shell, so that the two batteries can be stably and effectively connected through the locking block and the locking groove which are clamped with each other, and the stability and convenience of the graphene battery in use are greatly improved.

The invention discloses a safe handle mounting bracket structure, and aims at providing a mounting bracket structure which is solid in structure and easy to mount and fix to or remove and replace from a vehicle sheet metal and a safe handle. The safe handle mounting bracket structure comprises a sheet metal hole connecting socket and a plug member; the sheet metal hole connecting socket comprises a snapping connection portion, a central top plate and a plurality of blocking members; the middle portions of both sides of the central top plate are connected with an external meshing member; the external meshing member comprises a pressing plate and an external meshing plate, the connection sections of the pressing plate and the external meshing plate form a retaining portion, and the lower portion of the pressing plate is provided with a clamp groove; the snapping connection portion comprises a two snapping connection transverse plates, and the snapping connection transverse plates are connected with the blocking members; the plug member comprises a base, the base is provided with a snapping head and a through hole. The safe handle mounting bracket structure has the advantages that the sheet metal hole connecting socket can be effectively and quickly connected with the sheet metal member, the plug member can solidly fix a safe handle mounting bracket, and the fixed safe handle mounting bracket is high in structural stability, long in service life and capable of avoiding detachment due to inadvertently touching or mistakenly pressing.

The invention discloses a fast mounting and demounting device for an aviation plug. The fast mounting and demounting device comprises a locking block and an inserting block. The locking block and theinserting block are rotationally connected through a torsion spring. An inserting groove is formed in the side wall of the locking block, and an inserting rod is welded to the side wall of the inserting block. The inserting rod abuts against the inner wall of the inserting groove. A locking mechanism used for limiting moving of the inserting rod is arranged in the inserting groove. Clamping grooves are formed in the side walls of the locking block and the inserting block correspondingly in a penetrating manner, and a set of clamping springs are welded on each of the inner walls of the sides, away from each other, of the two clamping grooves. The fast mounting and demounting device has the beneficial effects that the locking block and the inserting block are designed so that a cable connected with the plug can penetrate the locking block and the inserting block in the process that the locking block and the inserting block are combined, blockage and interference cannot be caused in the subsequent plug screwing process, the whole demounting and mounting process is not hindered, convenience and rapidness are achieved, and the whole demounting and mounting efficiency is greatly improved.

The invention relates to a damper with a staging energy consumption function, and belongs to the technical field of building structural engineering. The damper comprises two energy consumption platesand connecting plates. The two energy consumption plates are arranged in the corner between a frame beam and a frame column and conduct staging energy consumption. The connecting plates are used for connecting the energy consumption plates with the frame beam and the frame column. The distances between the two energy consumption plates and the center of rotation are different. The connecting plates and the energy consumption plates are connected through welded joints. The distance between the energy consumption plate on the inner side and the center of rotation and the distance between the energy consumption plate on the outer side and the center of rotation are different. Along with the increase of the rotational angle, the energy consumption plate on the outer side consumes energy, thenthe energy consumption plate on the inner side consumes energy, and then staging energy consumption is achieved. Compared with an existing damper, the damper with the staging energy consumption function has the advantage of achieving the better energy consumption effect. The damper with the staging energy consumption function is simple in structure, the most of connection is bolted connection, andthe assembling operation can be achieved. After an earthquake happens, seismic reduction and energy dissipation can be conducted, replacement is convenient, and the damper with the staging energy consumption function can be widely applied to the technical field of seismic reduction and energy dissipation of building structures.

The invention relates to a hybrid material water solution loading metal nanoparticles, and a preparation method thereof. The hybrid material water solution is a solution formed by dissolving a hybrid material in water. The hybrid material is composed of carrier molecules A, stabilizing agent molecules B and metal nanoparticles. The method comprises the following steps: a water solution of A and a water solution of B are mixed by stirring; the pH of the mixed solution is regulated; a metal ionic salt solution and a reducing agent solution are sequentially dropped into the mixed solution; and stirring is carried out, such that the hybrid material water solution is obtained. In the hybrid material, the metal nanoparticles are stably and effectively connected to the molecular chain of carrier molecules in forms of ion bonds and coordination bonds, such that the hybrid material has the advantages of good solubility and adjustable metal nanoparticle loading amount. The preparation method of the hybrid material water solution has the advantages of no pollution, less product impurity and simple operation. The prepared hybrid material solution loading metal nanoparticles can be widely applied in the aspects of antibacterial finishing solutions, self-assembly stock solutions, catalysis materials and the like.

The invention discloses a high-frequency charging module with good heat dissipating effect which comprises a shell, a control unit and a power unit, wherein the control unit and the power unit are arranged in the shell; the control unit is arranged on one side in the shell; the power unit is arranged on the other side in the shell; the control unit is electrically connected with the power unit; a heat conductor is connected with the power unit; a heat dissipating device is arranged outside the shell; a heat exchange channel is arranged on the heat conductor; the two ends of the heat exchange channel are communicated with the radiating device through heat conduction devices. According to the invention, the control unit and the power unit are independently arranged, so that the heat of the power unit can be independently and effectively dissipated and the heat dissipating efficiency can be greatly increased; the heat exchange device is arranged outside the shell, so that the substances including liquid and dust in the outside environment can be prevented from entering the shell, the service life of the device can be prolonged and the high-frequency charging module has high progress significance and practical value.

The present invention provides a photovoltaic device. The photovoltaic device comprises: a plurality of photovoltaic panels, wherein each photovoltaic panel comprises a third side and a fourth side which are opposite to each other, and the photovoltaic panels comprise a first photovoltaic panel and a third photovoltaic panel; a third border and a fourth border which are assembled on the third edges and the fourth edges of the photovoltaic panels respectively, wherein one side surface of the third border is provided with a first connecting part, one side surface of the fourth border is provided with a second connecting part capable of being connected with the first connecting part in a matched mode, and the surface of at least one of the first connecting part and the second connecting part is a rough surface; and a third sealing piece sealed between the first connecting part assembled on the first photovoltaic panel and the second connecting part assembled on the third photovoltaic panel. According to the invention, by designing the rough surface, the third sealing piece is firmly sealed between the third border of the first photovoltaic panel and the fourth borderof the third photovoltaic panel, so that the photovoltaic device has excellent waterproof effect and durability.

The invention discloses a replaceable contact pin assembly used for a direct current charging interface. The replaceable contact pin assembly comprises a contact pin base body and a conductive part, wherein a cable is crimped at the tail part of the contact pin base body and the contact pin base body is fixed in a direct current charging gun; the conductive part is in contact with a socket jack for electric conduction; a screw thread structure is tapped in the interior of the conductive part and at one end of the contact pin base body separately, and the interior of the conductive part and one end of the contact pin base body are connected through screw threads; the screw thread part of the conductive part is sleeved with an anti-loosening elastic cushion in a penetration manner; at least one elastic contact part which is matched with and in contact with the outer wall of the conductive part is arranged on the head of the contact pin base body; and the elastic contact part adopts an annular spring structure. The replaceable contact pin assembly used for the direct current charging interface is creative in structure; when it is found that the contact pin originally matched with the charging gun in worn out, the contact pin can be replaced directly in a convenient and rapid manner; and in addition, the replaceable contact pin assembly is reliable in connection and relatively high in current transmission efficiency.