16results about How to "Simple structural assembly" patented technology

The utility model discloses a pressure-adjustable fire hydrant which comprises a hydrant body, a plurality of outflow pipes are arranged on the outer side of the hydrant body, sealing covers are arranged at the ends of the outflow pipes, a first circulation hole and a second circulation hole are formed in the inner side of the hydrant body, an installation table is arranged in the first circulation hole, and a connecting rod is arranged on the installation table in a sliding mode. A first circulation hole is formed in the arc-shaped sliding guide face, a second circulation hole is formed in the second circulation hole, a sealing piece used for controlling the communication state of the first circulation hole and the second circulation hole is arranged in the second circulation hole, and the sealing piece is fixed to the connecting rod. The bolt body, the connecting rod, the sealing piece and the adjusting piece are arranged, and the abutting position of the connecting rod and the arc-shaped sliding guide face is changed by rotating the rotating piece; and the elastic force of the first spring on the connecting rod can control the relative position of the sealing piece in the hydrant body so as to control the circulation amount of fluid between the second circulation hole and the first circulation hole, so that the pressure of the fluid flowing out of the pipe is adjusted.

The utility model discloses a novel handle fastening structure which comprises a pressing piece, one end of the pressing piece is installed with a shaft pin on a handle seat in a rotating mode, a blocking piece is arranged on the handle seat, a handle installation portion is provided with a clamping groove, the blocking piece and the clamping groove are respectively matched with the end portion of the pressing piece, and a self-locking structure is arranged on the handle seat between the blocking piece and the clamping groove. The self-locking anti-retreating device is simple in structure assembly, can be pushed in and locked tightly by manual operation, and can realize self-locking anti-retreating; according to the utility model, when the space is not enough, the form of the fastening points is changed, and the number and the strength of the fastening points are ensured.

The utility model relates to the field of bridge maintenance, in particular to a scaffold for bridge maintenance, which comprises an auxiliary rod, a folding structure is arranged on one side of the auxiliary rod, a main rod is connected to one side of the folding structure, a reinforcing part is mounted above the auxiliary rod, a bearing plate is mounted above the reinforcing part, and a supporting plate is mounted above the bearing plate. The second bolt is rotationally separated from the threaded hole, so that the connecting rod can be rotationally folded, then the reinforcing rod and the bearing plate are detached, the auxiliary rod and the main rod are separated, the auxiliary rod and the main rod can be in threaded butt joint through the folding structure and the fixing base, and the auxiliary supporting effect on the auxiliary rod and the main rod is achieved through the structure; an auxiliary supporting structure does not need to be additionally arranged, the connecting structure between the auxiliary rod and the main rod is stored through the folding effect, later storage and transportation and disassembled part recycling are facilitated, the structure is easy to assemble and fixed, and all assemblies can be lengthened according to the actual situation.

The utility model belongs to the technical field of perforating equipment, concretely relates to a continuous puncher, including base, axle pin, tool holder, spring, cutter core group and gland, the middle part fixed mounting of base is tool holder, the middle part of tool holder is provided with the cutter core group of slidable, be provided with spring between cutter core group with tool holder, spring is used for the reset of cutter core group after the punch of tool holder on tool holder, the gland is covered with on tool holder, it is connected through axle pin rotation between the gland with tool holder. The utility model discloses through spring as reset piece, can drive cutter core group to rebound after punching, greatly shorten reset time, improve continuous punch efficiency, the cooperation of positioning column and the pre -hole cooperation of the piece to be punched, combine the limiting notched of tool holder, realize the double positioning of the piece to be punched, avoid the punch position deviation.

The invention discloses an active valve based on a middle clamped piezoelectric film and application thereof, and belongs to the technical field of fluid control. The active valve comprises a non-piezoelectric actuating structural member and at least one piezoelectric actuating structural member; the non-piezoelectric actuating structural member comprises an outer frame and a supporting component, the outer frame forms a frame of the whole valve, and the supporting component is used for supporting and fixing the piezoelectric actuating structural member; the piezoelectric actuating structural member is used for controlling and forming an air flow / liquid flow channel so as to control the opening and closing of the valve; gaps are formed between the piezoelectric actuating structural members and the outer frames of the non-piezoelectric actuating structural members, or between the piezoelectric actuating structural members when a plurality of piezoelectric actuating structural members exist, or between the piezoelectric actuating structural members and the outer frames and between the piezoelectric actuating structural members at the same time, and the gaps are opened to form air flow / liquid flow channels; the piezoelectric actuating structural member is fixed on the supporting component in a middle fixed support manner; the piezoelectric actuating structural member at least comprises a piezoelectric material, and a piezoelectric film material enables the valve to quickly respond to voltage change.

A collaborative anti-collision structure for the inside and outside of a building, belonging to the field of building structure vibration control, includes a connecting plate, a connecting ear hole, an end plate reinforcement plate, an external fixed side plate with ribbed holes, an external plate through ribbed holes, an external limit baffle, etc. The two sides of the structure as a whole are respectively provided with an external fixed side plate with ribbed holes and an external limit baffle, the other side of the external fixed side plate with ribbed holes is connected to two external groove plate combination structures, the other side of the external limit baffle is connected to an external energy-absorbing movable soft steel plate, the front and rear sides of the other side of the internal fixed side plate with ribbed holes are provided with an internal groove plate combination structure, the internal energy-absorbing movable soft steel plate is placed on the inner side of the internal second-order extruded back plate layer, and a number of built-in shock-absorbing and resetting soft steel energy-absorbing combination structures are provided inside. Multi-level shock absorption is achieved by arranging the internal energy-absorbing movable soft steel plate and the internal groove plate combination structure, the external energy-absorbing movable soft steel plate and the external groove plate combination structure, and the built-in shock-absorbing and resetting soft steel energy-absorbing combination structure.

The utility model relates to a sweeper and a base station for the sweeper, and the base station for the sweeper comprises a base which comprises a cleaning tank and at least one air guide groove arranged at the outer side of the cleaning tank; each air guide groove comprises a first end facing the cleaning groove and a second end opposite to the first end; the first end is provided with an air guide port communicated with the cleaning tank, and the second end is closed; an opening is formed between the first end and the second end; the drying mechanism comprises a fan, an air outlet structure communicating with the fan and a heating structure arranged in the air outlet structure; at least one first air channel is formed in the inner side of the air outlet structure, and the air outlet structure covers at least part of the opening of the at least one air guide groove to form a second air channel. According to the base station for the sweeper, water is prevented from leaking from the second end of the air guide groove when the drying mechanism dries the mop of the sweeping robot, and water leakage of some connecting gaps of the base station for the sweeper is avoided.

The invention discloses a capacitive pressure sensor applied to TWS earphone key detection, and belongs to the technical field of pressure sensors. The capacitive pressure sensor comprises a pressure sensing unit and a PCB part; the pressure sensing unit is used for sensing external pressure and generating telescopic deformation, the PCB part is provided with a capacitance detection unit, the capacitance detection unit is used for detecting capacitance change generated by deformation, and the capacitance change is read through a capacitance detection circuit and converted into a pressure value to be output. The capacitive pressure sensor can effectively extract a pressing signal and convert the pressing signal into a capacitance signal, and then a pressure value is read through the high-performance capacitance detection chip. The structure has the advantages of simple assembly, low cost, high reliability and strong anti-interference capability, and is very suitable for pressure detection application of the TWS earphone.

The present invention relates to a heat dissipation method and heat dissipation structure of a space-based high-heat-consumption optoelectronic device, (1) taking a chassis as the main heat dissipation path, and performing an optimized heat dissipation design of the chassis; (2) dividing the functional modules packaged as an integrated structure into ordinary functional modules and functional modules with precise temperature control requirements, and performing an optimized heat dissipation design of the functional modules; (3) calculating the equivalent thermal conductivity of a PCB board, performing an optimized heat dissipation design of a PCB board installed in the chassis, strengthening the conduction heat dissipation path between the PCB board and the chassis shell, and optimizing the layout of high-heat-generating components; (4) performing a heat dissipation enhancement design of high-heat-generating components on the PCB board, and improving the heat dissipation effect of the high-heat-generating components. In view of the increasingly high integration of modern electronic equipment, the increasing heat flow of components, the limited layout and installation space, and the large use constraints, the present invention is suitable for the thermal design tasks of heat dissipation and precise temperature control of high-heat-flow components with random spatial distribution layout and limited installation space.

The invention relates to the technical field of automobiles, in particular to an aluminum alloy pull riveting type ground bolt structure and an automobile, and relates to an installation connecting structure of an automobile body part, in particular to an aluminum alloy pull riveting type ground bolt structure and the automobile. The bolt comprises a bolt flange, a via hole section and a screw rod section which are sequentially, integrally and fixedly connected, and a limiting protrusion is arranged on the periphery of the via hole section. A sleeve flange is arranged on the periphery of one end of the sleeve, a matched protruding section is arranged on the sleeve, and the radial section of the matched protruding section is polygonal. The screw rod section of the bolt penetrates through the sleeve to be in threaded connection with the nut, and the limiting protrusion is inserted into the sleeve collapsing section and connected with the inner wall of the sleeve collapsing section in an interference fit mode. The ground bolt has the beneficial effects that assembling is easy, fixing and assembling of the ground bolt can be achieved only through a hand riveter, and replacement is more convenient; the structure is simple, cost is low, the quality problem that a projection welding type bond bolt is prone to falling off is solved, connection reliability and stability are improved, and customer satisfaction is improved.

The utility model relates to the technical field of unmanned aerial vehicles, in particular to a pod quick disassembly and assembly structure which comprises a base, a pressing piece, an elastic piece, a buckle, an upper cover and a connector, a supporting frame is arranged in the base, and a pressing hole is formed in the side wall of the base; the pressing piece penetrates through the pressing hole to be connected with one end of the elastic piece, the other end of the elastic piece is connected with the supporting frame, the buckle comprises a connecting base and a clamping tongue, the connecting base and the clamping tongue are connected through a vertical plate, the bottom of the connecting base and the side face of the pressing piece are arranged, and an opening groove matched with the clamping tongue is formed in the position, corresponding to the buckle, of the upper cover. The clamping tongue is driven to move along the opening groove by pressing the pressing piece on the outer side of the elastic piece, rapid disassembly and assembly of the base and the upper cover are achieved, the base and the upper cover are further provided with connectors, and disassembly and assembly of electrical circuits of the pod and the unmanned aerial vehicle are further achieved on the basis of structural disassembly and assembly. The utility model has the advantages of simple structure, strong shock resistance, small occupied space, convenience in assembly, suitability for one-hand operation and the like.

The present invention discloses a support and hoisting process for a caisson water pressure electromagnetic valve, comprising the following steps: S1, the inner side of the flanges at the water inlet end and the water outlet end of the electromagnetic valve are respectively connected to the valve body of the electromagnetic valve through two U-shaped steel plates; two upper angle steels are welded on the inner side of the bottom of the U-shaped steel plate, and the upper angle steel and the lower angle steel are connected by bolts; in the direction of the water inlet channel, the end of the lower angle steel is connected to the bottom angle steel by welding; S2, the two wings on the outer side of the U-shaped steel plate at the bottom of the electromagnetic valve are welded to the connecting screw rod, and the upper end of the connecting screw rod is connected to the connecting steel plate at the top of the electromagnetic valve. After the connection is completed, the connecting steel plate at the top and the supporting frame are assembled as a whole; along the direction of the water inlet channel, an ear plate is installed in the middle of the connecting steel plate; S3, a steel wire rope is used to connect the lifting ear, and the electromagnetic valve can be moved, adjusted or installed. The present invention can improve the water pressure efficiency of the caisson, reduce the impact of human operation of water pressure and the input of water pressure personnel, and reduce the safety risk of water pressure in the caisson.

This utility model discloses a charger cover structure, aiming to provide a charger cover structure that improves assembly efficiency. It includes a charging base bracket; a top cover, with a mounting groove at the upper end of the charging base bracket, the top cover being fitted into the mounting groove; a buckle, connected to the top cover, the buckle including a positioning buckle, a fixing buckle, and a fastening buckle, all of which are engaged with the mounting groove; the positioning buckle is connected to a locking block, the fixing buckle is connected to an anti-disengagement buckle, and the fastening buckle is connected to a reinforcing rib; a screw fixing post, connected to the top cover, the mounting groove having a screw fixing hole; and a charging bracket, the top cover connecting to a limit seat and a second screw fixing post, the other end of the charging bracket having a second screw fixing hole, the top cover having a clearance hole, and the charging bracket connected to a charging spring. The beneficial effects of this utility model are: the charger's structure and assembly are simple and efficient; it facilitates quick positioning and assembly and subsequent disassembly and maintenance; and the assembly method is reliable and stable.

The utility model discloses an optical reflector and a lamp. The optical reflector comprises a wedge-shaped body defined by a first reflecting surface, a third reflecting surface and two second reflecting surfaces, the first reflecting surface and the third reflecting surface are oppositely arranged, and the two second reflecting surfaces are adjacent to the first reflecting surface and the third reflecting surface respectively and are oppositely arranged; the upper bottom surface of the wedge-shaped body is a light source incident port, and the lower bottom surface of the wedge-shaped body is a light outlet; the area of the light outlet is larger than that of the light source incident port; the first reflecting surface, the third reflecting surface and the two second reflecting surfaces are all planes or curved surfaces. According to the technical scheme, the curved surface curvature is high in accuracy, economical efficiency is achieved, and mass production and manufacturing can be achieved; meanwhile, structural assembly is simple, the optical requirement is directly met through a single element, a product and a lamp light-emitting assembly can be directly assembled together, an additional assembling structure is not needed, and cost is greatly saved.

The invention discloses a large-scale space folding and unfolding unit and structure based on the paper folding principle, the large-scale space folding and unfolding unit comprises four long plates and four short plates, every two long plates and every two short plates form a group to form a folding and unfolding unit, in the first folding and unfolding unit, one end of the first short plate is hinged to the middle of the first long plate, and the other end of the first short plate is hinged to the middle of the second long plate; one end of the second short plate is hinged to the lower portion of the side face of the second long plate, one end of the second short plate is hinged to the middle of the second long plate and hinged to the upper portion of the side face of the first long plate, meanwhile, the connecting line of the four hinged shafts can be located at one point, namely, the folding and unfolding center point, and the second folding and unfolding unit is the same as the first folding and unfolding unit in structure and adopts the folding and unfolding center point as the axis. Part of the plate body of the first folding and unfolding unit is rotatably connected with part of the plate body of the second folding and unfolding unit, so that the two folding and unfolding units are connected together. The invention has the technical advantages of light weight, stable structure, reliable control system, realization of folding and unfolding of the paper folding structure and realization of large-scale driving.

The invention relates to the technical field of detection instruments, in particular to an efficient building wall flatness detection instrument which comprises a supporting mechanism, an axial drive, a radial drive, a testing mechanism and a rotary drive. The moving part is used for driving the base to move to a preset position to complete fixing operation; the axial driver comprises a fixing frame, a fixing plate, an axial motor, an axial lead screw, a mounting seat and a guide rod; the test mechanism comprises a connecting arm, a substrate and a test piece; the test piece comprises a test rod, a test plate, a pressure sensor and an indication structure; the two sides of the substrate can be connected with a preset number of test pieces through connecting pieces so as to complete the test work with different length requirements. And the rotary drive is used for completing switching between an axial movement detection state and a radial movement detection state of the building wall plane. According to the invention, on the basis of detection of the coverage area of wall surfaces with different widths, the purpose of reasonably rotating and adjusting the test direction according to the wall surface distribution can be realized; the cost performance is high, and the practicability is higher.