37results about How to "Tight connection" patented technology

A bicycle wheel securing structure includes a shaft member, a head member, a first wheel securing device, a second wheel securing device, a first lever member and a second lever member. The shaft member has first and second end portions and a longitudinal center axis. The head member is coupled at the second end portion. The first wheel securing device is positioned at the second end portion. The second wheel securing device positioned at at least one of the first and second end portions. The first lever member is operatively connected to the first wheel securing device to move the first wheel securing device in response to movement of the first lever member. The second lever member is operatively connected to the second wheel securing device to move the second wheel securing device in response to movement of the second lever member.

The invention relates to an automatic welding device for a battery top cover. The automatic welding device for the battery top cover comprises a conveying device, a feeding device, a laser welding device, a clearing device, a detecting device and a rubberizing device; the conveying device comprises an annularly closed conveying belt which is provided with a clamping device; and the feeding device,the laser welding device, the clearing device, the detecting device and the rubberizing device are arranged on corresponding stations on the outer side of the conveying belt correspondingly. Automatic feeding and discharging are adopted for the automatic welding device for the battery top cover, in combination with an automatic assembling production mode of a cyclic flow channel, the whole machine arrangement is compact, space is saved, and maintaining operation is facilitated; and the action functions of a whole machine device are increased, all station actions are linked compactly, the manual participation degree is low, and the machine table automation degree and the safety and stability of the whole machine device are improved.

The invention relates to a driving structure of a wind guide plate integral part, an air supply device and an air conditioner indoor unit. The driving structure comprises a wind guide assembly, a linked frame rod, a guide plate, a slide plate and a driving motor, wherein the wind guide assembly comprises multiple wind guide plates which are in rotatable connection to an air outlet of an enclosure; the linked frame rod comprises multiple connecting frame rods which are arranged on one side of the wind guide assembly and have one end in rotatable connected to the enclosure; the guide plate is fixed on the enclosure, and multiple guide blocks arranged into arc layout are disposed on the guide plate; an arc guide groove and multiple slide grooves are formed in the slide plate, the other end of each connecting frame rod is inserted in the corresponding slide groove and can be moved along the slide groove, and the multiple guide blocks are inserted in the guide grooves; when the wind guide assembly is turned on, the multiple wind guide plates are parallel; when the wind guide assembly is turned off, the multiple wind guide plate will be connected by heads and tails to form an arc structure; and the driving motor is connected to one of the wind guide plates. The driving structure of the invention has the advantages that running modes of the wind guide plates will not be limited by shapes of the air outlet; and centralized air supply of each wind guide plate is achieved.

The invention relates to an air guide plate overall piece driving structure, an air supply device and an indoor unit of an air conditioner. The driving structure comprises an air guide module, side links, a driving plate module, a gear and a driving motor, wherein the air guide module comprises multiple air guide plates rotationally connected to an exhaust port of a shell; multiple side links are arranged on one side of the air guide module, one ends of the side links are rotationally connected with the shell, and the other ends of the side links are fixedly connected with the air guide plates; the driving plate module is of an arc structure; a row of engaging teeth is arranged on the arc structure; the driving plate module is slidingly connected with the side links; when the driving plate module drives the air guide module to open, the multiple air guide plates are in parallel; when the driving plate module drives the air guide module to close, the multiple air guide plates are abutted against end to end to form an arc surface structure flush with the side wall of the exhaust port of the shell; the gear is mounted on the shell and engaged with the engaging teeth; and the driving motor is connected with the gear. The driving structure is simple, and can guarantee centralized air supply of each air guide plate to achieve a good air supply effect.

The invention discloses an expanded connection structure assembly for heat sinks. The expanded connection structure assembly for the heat sinks comprises a heat dissipation substrate and the heat sinks. The surface of the heat dissipation substrate is provided with an expanded connection groove. The heat sinks are fixedly arranged in the expanded connection groove through the mode that the side faces of the heat sinks are in interference fit with the side walls of the expanded connection groove. Due to interference fit, the heat sinks are connected and attached closely to the expanded connection groove, and the heat conduction effect is good. After detection, it shows that heat dissipation efficiency is improved by over 20 percent compared with existing connecting modes of screws and the like. In addition, according to the installation mode, the stressed points are located on the side edges of the heat sinks, so that the performance of heating equipment on the heat sinks is prevented from being affected by large interference fit force. Because of the installation in an interference fit mode, the heat sinks produce larger expansion joint force due to the effect of thermal expansion and cold contraction after being heated, so that the installation is firmer; after cooling, the heat sinks can still keep an original interference installation effect, so that the heat sinks are prevented from falling off, and the reliability of the installation is guaranteed. Meanwhile, according to the structure, an existing rivet and screw connection structure is omitted. The expanded connection structure assembly for the heat sinks can be installed without the aid of other parts and is simple in structure, easy to install and capable of saving manufacturing cost and usage cost.

A press fitting method for heat pipe and heat sink includes the following steps. a) At least a heat pipe and a heat sink conducting heat to the heat pipe are provided. The heat sink is one of a heat conducting plate or a fin module. The heat sink has a groove for receiving the heat pipe. b) The heat pipe is placed into the groove. c) An end of the heat pipe or the heat pipe under the fins is pressed by a press mold so as to be deformed and fit to the groove as one. Through the above steps, an efficient and quick method is provided and the heat pipe will be tightly fitted to the heat sink so as to achieve a better heat dissipation.

The invention relates to a safety valve with buffer performance. The safety valve is characterized in that a valve bush with an oil return opening and an oil discharge opening is included; a valve seat with a through hole is fixed to the lower end of the valve bush; a valve element sleeved with a spring is arranged in the valve bush; a first oil way is formed in the valve element in the length direction; the upper end of the valve element stretches into a valve element sleeve; the valve element sleeve is arranged in an adjusting seat; a screw plug is arranged in the upper end of the adjusting seat; the adjusting seat is partially arranged in the upper end of the valve bush; and a lock nut is arranged on the part, exposed out of the valve bush, of the adjusting seat. All the components of the safety valve are connected and matched simply and compactly, the valve bush and the adjusting seat are in threaded connection, and the pre-tightening force of the spring can be adjusted, namely, the pressure of the safety valve can be adjusted. The safety valve can meet the requirements of various work conditions for different buffer performances by adjusting an annular throttle hole, a first throttle hole and a second throttle hole. Part machining is convenient, the machining difficulty and the manufacturing cost are reduced, high stability is achieved, and the requirement for mass producing and manufacturing is met.

The invention discloses a pluggable structure capable of connecting an integrated light steel wallboard with a steel frame structure and a pluggable method thereof, and belongs to the field of buildings. The structure comprises a plug and a socket. The socket comprises a hollow square box and a first installing plate fixedly arranged on the integrated light steel wallboard. The first installing plate is fixedly arranged on the side face of a square box, the four sides of the interior of one end of the square box are each provided with an elastic piece, and the elastic pieces at the four sidesform an elastic clamping opening; the plug comprises a second installing plate fixedly arranged on the steel frame structure, a reinforcing plate fixedly arranged between the back face of the second installing plate and the steel frame structure and a clamping block fixedly arranged on the front face of the second installing plate; the plug and the socket are fixedly connected in the mode that theclamping block stretches into the square box and is meshed with the elastic clamping opening. The method comprises the steps of 1 manufacturing the integrated light steel wallboard with the socket, 2manufacturing the steel frame structure with the plug, and 3 plugging the integrated light steel wallboard with the steel frame structure. The method simplifies installing procedures, and installation is rapid.

The invention discloses a circuit turn-on structure of a movable electronic component and an electronic product having the same. The circuit turn-on structure comprises a main board, a movable electronic component and a connection mechanism, wherein the movable electronic component operates between a first state and a second state; the connection mechanism is electrically connected to the main board and has an elastic deformation capability in a preset direction; and when the movable electronic component is in the first state or the second state, the movable electronic component is electrically connected to the connection mechanism, and acting force is applied to the connection mechanism in a preset direction. The connection mechanism is improved so as to have a certain elastic deformationcapability. When connected to the connection mechanism, the movable electronic component applies a certain force to the connection mechanism. Thus, the connection mechanism can apply a reactive forceto the movable electronic component, so that the connection mechanism and the movable electronic component are more tightly connected in order to avoid unstable connection and poor contact between the moved electronic component and the main board, thereby improving the operating stability of the whole machine.

The invention relates to a folding fan type rain shedding device for a large bus door top. The device comprises a cabin embedded into the door top, a rotatable opening and closing automatic cabin dooris arranged on the outer side surface of the cabin, a rain shed driving servo motor is mounted on one side of the top of the cabin close to a rotating shaft of the rotatable opening and closing automatic cabin door, a limit sleeve is arranged outside an output shaft in a sleeving manner, a plurality of limit elongated holes are formed in the outer wall of the limit sleeve from top to bottom, anda folding fan type rain curtain structure is arranged on the output shaft from top to bottom. Compared with currently existing various rain shedding mechanisms, the device is novel and reasonable in design, better in rain shedding effect and stably and orderly unfolded and folded, and energy consumption is reduced.

The invention discloses a cable solder wire for a CMT welding system. The solder wire comprises a central solder wire. The outer side of the central solder wire is provided with a spiral solder wire which is twined tightly around the central solder wire in a spiral manner. The outer side of the spiral solder wire is provided with a protection ring. The inside of the spiral solder wire is provided evenly with 4 subordinate solder wire groups. The subordinate solder wire groups are tangentially arranged. The inside of each subordinate solder wire group is provided with a first solder wire, a second solder wire, a third solder wire and a fourth solder wire. The fusion depth in the welding operation is deep. This structure can reduce the quantity of overlapping welding seams layers and can fundamentally increase the welding efficiency, reduce the production costs with negligible splashes. The high mechanical property of the welding seam and the tight binding structure of the solder wire stabilize the solder wire feeding process, enhances the welding property of the cable solder wire and makes the CMT welding system to render a better soldering effects.

The invention discloses an installation method of a seamlessly-spliced integrated wallboard, and relates to the technical field of integrated wallboards, in particular to the seamlessly-spliced integrated wallboard. The wallboard comprises an integrated wallboard body and a metal fastener, a tenon is arranged on the left side of the integrated wallboard body, a clamping groove is formed in the right side of the integrated wallboard body, and a through hole is formed in the integrated wallboard body. A buckle is fixedly connected to the top of the metal fastener, and metal elastic pieces located on the two sides of the buckle are fixedly connected to the top of the metal fastener. The integrated wallboard body and the metal fastener are used in cooperation, the metal fastener is connected to the joint of the tenon and the clamping groove in a clamped mode, the tilted metal elastic pieces are used for providing certain elastic force for the tenon and the clamping groove, and due to the fact that the middle joint of the tenon and the clamping groove is fixed through the buckle, the two sides of the tenon and the two sides of the clamping groove tend to be extruded inwards; and therefore, the joint is more compact, a larger gap is avoided, and the installation is more convenient and faster.

The invention relates to the technical field of building structure formwork construction, in particular to a basement outer formwork integrated structure and a construction technology thereof. According to the technical scheme, the basement outer formwork integrated structure comprises an inner layer module and an outer layer module, and multiple sets of fixing assemblies used for fixing the inner layer module and the outer layer module are arranged in the inner layer module and the outer layer module; and each fixing assembly comprises a fixing rod arranged in the inner layer module and the outer layer module in a penetrating mode, and each fixing assembly further comprises a fixing nut connected to each fixing rod in a threaded mode. The basement outer formwork integrated structure has the technical effects of improving the combination degree of the waterproof layer and the concrete layer and improving the basement construction progress.

A washing machine includes a gasket that includes a plurality of nozzles and a plurality of port receiving pipes communicating with the plurality of nozzles, respectively, and a distribution pipe that includes a transport conduit and a plurality of outlet ports protruding from the transport conduit toward the gasket body. The transport conduit includes a first portion spaced apart from an outer circumferential surface of the gasket body. Among the plurality of outlet ports, a first lower outlet port protrudes from the first portion, and the first lower outlet port and the first lower port receiving pipe are coupled to each other in a space where the first portion of the transport conduit and the outer circumferential surface of the gasket body are spaced apart, so that the gasket and the distribution pipe are connected tightly.

The invention discloses a preparation process of an immersion type insulating aramid paperboard by utilizing inertia, which comprises the following steps of: firstly, preparing an aramid fiber sizing net, preparing aramid fiber paper pulp, putting the aramid fiber paper pulp into an aramid fiber paper pulp tank, uniformly stirring the aramid fiber paper pulp by adopting a stirring paddle, and uniformly stirring the aramid fiber paper pulp; placing an aramid fiber sizing net prepared in advance at the bottom of the aramid fiber paper pulp tank, continuously stirring the aramid fiber paper pulp for 10s, standing the aramid fiber sizing net at the bottom of the aramid fiber paper pulp tank for a period of time, and quickly lifting the aramid fiber sizing net upwards at a constant speed; according to the preparation method, the prepared insulating aramid paper board is subjected to dewatering and drying treatment, finally, the surface of the dried insulating aramid paper board is cured, finally, the prepared aramid paper is cut and packaged, the preparation process of the insulating aramid paper board is simple, the thickness of the aramid paper is convenient to control, and the prepared aramid paper is high in overall strength.

The invention provides a safety coupler. The safety coupler comprises a first half coupler, a core shaft, a second half coupler assembly and a third half coupler. The first half coupler comprises a first drum-shaped tooth coupling part which is in meshing connection with a tooth groove and a first transition part. One end of the core shaft is connected with the first transition part through a bolt, the connecting face is provided with a meshed tooth groove structure, the connection manner is tight, the torque capable of being borne is greatly increased, and the bolt at the connecting positionis not prone to loosening or fracture. The core shaft is sleeved with the second half coupler assembly, and the core shaft and the second half coupler assembly are connected through a safety pin shaft. The second half coupler assembly comprises two pairs of drum-shaped tooth meshing parts, so that the whole safety coupler has more axis deviation compensation amounts in the radial direction, the axial direction, the angular direction and the like, the situation of safety pin breakage under the rated load is avoided, and the capacity of the machine is released to the maximum degree. The whole safety coupler is simple and reasonable in structure, maintenance and usage are convenient, the service life is long, and important significance is achieved for safety coupler development.

The invention provides a loop heat pipe system and a stainless steel capillary tube non-collapse welding technological method for the loop heat pipe system. The loop heat pipe system comprises an evaporator gas-end end enclosure (1), a first stainless steel joint (2), a loop heat pipe working medium pipeline (3), a second stainless steel joint (4), a liquid accumulator liquid-end end enclosure (5), which are sequentially connected, and further comprises an evaporator and a liquid accumulator. The loop heat pipe system and a stainless steel capillary tube non-collapse welding technological method comprises the following technological steps of stainless steel capillary tube dropping, stainless steel joint manufacturing, dimension detecting, matched checking of the stainless steel joint and the stainless steel capillary tube, too-fit fitting of the stainless steel capillary tube and the stainless steel joint, solder coating, high-temperature vacuum braze welding, loop heat pipe end enclosure manufacturing, butt-joint TIG welding, and welding seam checking. On the premise of not affecting performances of a capillary core in the loop heat pipe evaporator, and non-collapse welding of the stainless steel capillary tube for the loop heat pipe is realized, so that reliability and heat transfer property of the loop heat pipe are improved.

The invention discloses a rotary type rapid opening sealing structure which comprises a barrel body, a connection pipe, a sealing ring and an end cover. The connection pipe is a cylindrical hollow short pipe, the connection pipe and the barrel body are glued through two-component glue, the outer periphery of the end, away from the barrel body, of the connection pipe is provided with two sets of locking bosses, each set of locking bosses comprise two locking bosses, every two locking bosses are symmetrically distributed about the largest hole diameter of the connection pipe, and one set of locking bosses transversely extend to form a limiting block. The sealing ring is made from silicone rubber, the end cover comprises a cover face and a matching face, one end of the matching face is provided with two sets of locking buckle blocks, the four locking buckle blocks and the four locking bosses are in matched connection, the outer periphery of the end cover is provided with a rubber protection ring, the outer periphery of the end cover is provided with a bolt hole, and a start lever is rotationally connected with the interior of the bolt hole. Each set of locking bosses further comprisea spiral guide face and a plane positioning face which are of an integrated structure, and the tangent line included angle between the spiral guide face and the circumferential face of the front end of the connection pipe is 30 degrees.

The invention discloses a new energy automobile wire harness positioning and fixing device, relates to the technical field of wire harness connectors, and aims to solve the problems that an existing new energy automobile wire harness positioning and fixing device is a single wire harness device and is imperfect on the position adjusting and fixing mode. Metal box mechanisms are arranged on the periphery of the outer wall of the wire harness positioning and fixing device, the number of the metal box mechanisms is four, third cavities are formed in the four metal box mechanisms, a hydraulic mechanism is arranged in each third cavity, one end of each of the four metal box mechanisms is provided with a first overhauling baffle, a hydraulic oil pipe is arranged in the first overhauling baffle,a sleeve piece block is arranged on the outer wall of the hydraulic oil pipe, the first overhauling baffle is in threaded connection with the corresponding metal box mechanism through a first screw mechanism, a plurality of first screw mechanism are arranged, the other end of each of the four metal box mechanisms is provided a first fixing rod and a second fixing rod.

The invention discloses a tea picking vehicle comprising a tea picking vehicle support, a storage battery and a second blast blower; the left and right ends of the front side of the bottom of the teapicking vehicle support are respectively provided with a first turning wheel and a second turning wheel; the top of the tea picking vehicle support is provided with the storage battery; the right endof the front side of the storage battery is provided with a control switch; the top of the storage battery is provided with a supporting plate; the front and rear sides of the top of the supporting plate are respectively provided with a first blast blower and a second blast blower; and the rear side of the top of the first blast blower and the front side of the top of the second blast blower are respectively provided with a first pull rod and a second pull rod. Due to the adoption of the first blast blower and the second blast blower arranged on the supporting plate as well as a first air inlet pipe and a second air inlet pipe which are arranged on the first blast blower and the second blast blower, tea leaves at the front and rear sides can be simultaneously picked by the tea picking vehicle; in addition, the tea picking vehicle moves by virtue of the turning wheels and a handle, a way of hand-holding the tea picker is omitted, so that the tea picking vehicle is relatively practical and suitable for wide application and use.