40results about How to "Quick fit connection" patented technology

The invention discloses a prefabricated concrete column in butting connection by steel nodes. The prefabricated concrete column comprises a prefabricated concrete column body, a first steel node positioned at one end of the prefabricated concrete column body, and a second steel node positioned at the other end of the prefabricated concrete column body, wherein the first and second steel nodes are matched. As the first steel node and the second steel node are additionally arranged at the two ends of the prefabricated concrete column body, two sections of prefabricated concrete columns can be quickly matched and connected by using a principle of mutual matching of the first and second steel nodes; and then, the matched place is fixed through electric welding, so that the butting connection between the two sections of prefabricated concrete columns can be guaranteed, the traditional scene butting wet operation of prefabricated concrete columns is prevented, and the construction efficiency is quickened. The prefabricated concrete column is simple in structure and low in cost; and after the steel nodes are used for connecting, the node stress and the node ductility are improved.

The invention relates to an assembled balcony. The assembled balcony comprises a balcony slab and support plates, wherein the balcony slag is composed of a concrete slag and a steel frame, the upper portion of the steel frame and middle steel beams are completely or partially prefabricated in the concrete slab, and the concrete slab is enclosed by the steel frame from all sides. The front side of the assembled balcony is provided with member connecting holes, two sides of the assembled balcony are provided with balcony connecting holes used for mutual connection of balconies, and connecting blocks are embedded in the balcony slab. The assembled balcony is light, good in stress structure, safe and convenient to hoist, easy to be quickly assembled with other members in a modularized manner, fast in construction and applicable to standard batch production of factories.

The invention discloses a core-pulling cooling device for a die-casting die. The core-pulling cooling device for the die-casting die aims at overcoming the defects that an existing die-casting cooling device is complex in structure and high in cost, the cooling effect of the core-pulling position is not good, and core pulling operation is not convenient. The core-pulling cooling device comprises a piston cylinder, a core and a cooling pipe, wherein a cooling cavity is formed in the core along the axis of the core, a quick-releasing transition block is connected between a telescopic rod of the piston cylinder and the core, and the cooling pipe is movably connected to the piston cylinder. The cooling pipe comprises an inner pipe and an outer pipe, a liquid return gap is formed between the outer wall of the inner pipe and the inner wall of the outer pipe, and the inner pipe stretches out of the front end of the outer pipe; the part, extending out of the front end of the outer pipe, of the inner pipe is arranged in the cooling cavity, the front end of the inner pipe is arranged close to the bottom end of the cooling cavity, and the front end of the outer pipe is provided with a connecting part. The open end, connected with the quick-releasing transition block, of the core is tightly connected with the connecting part, the rear end of the cooling pipe is connected with a connector, and the connector is provided with a liquid inlet connector body communicating with the inner pipe and a liquid return connector body communicating with a liquid outlet gap.

The invention provides a rapidly-assembled aircraft undercarriage assembly for connecting an undercarriage and an aircraft fuselage. The rapidly-assembled aircraft undercarriage assembly comprises the undercarriage and an aircraft connecting end mounted on an aircraft. The undercarriage comprises an undercarriage supporting end and an undercarriage connecting end, and the aircraft connecting end is connected with the undercarriage connecting end. A T-shaped fixing block arranged at the undercarriage connecting end is assembled in a T-shaped fixing groove of the aircraft connecting end, and when the T-shaped fixing block and the T-shaped fixing groove are completely assembled, a buckle body on an elastic buckle is inserted into an anti-falling groove in the T-shaped fixing groove in a corresponding mode so as to achieve rapid assembly of the undercarriage connecting end and the aircraft connection end. Compared with the prior art, quick assembling connection of an undercarriage movable end and an undercarriage fixed end can be achieved, and the advantages of quick mounting, easy operation and the like are achieved.

The invention provides a protective sheath, a hysteroscope with a protective sheath, and a nephroscope with a protective sheath, which are used to prevent the electrical connection wires connected with the endoscope from being polluted by dirt, including inner sleeves The outer sleeve and the outer sleeve, the outer sleeve is a cylindrical structure, the inner sleeve includes a straight portion and a flared portion, the flared portion is located at the insertion end side of the inner sleeve, and the side wall of the flared portion is provided with multiple strips extending from the flared portion to the straight portion. The groove of the inner sleeve forms a plurality of elastic pieces at the insertion end of the inner sleeve; the inner wall of the elastic sheet is formed with a connecting part that can be matched with the self-locking quick connector; there is a cavity between the inner sleeve and the outer sleeve, and the cavity is provided with a compression After the waterproof cover, one end of the waterproof cover is fixedly sleeved on the inner cover, and the other end of the waterproof cover can be pulled out from the non-insertion end of the protective cover. The protective sheath involved in the invention is light in weight, small in size, easy to operate, can effectively protect the electrical connection wires from being polluted during use, prevent the occurrence of end circuits, pollution, etc., has low production cost, and can be used as a disposable medical device. Equipment use.

The invention relates to a device suitable for the electrical connection of button cell and a connection method. The device comprises a button cell and a cell accommodation electric-connecting unit. The button cell is arranged in the cell accommodation electric-connecting unit. The cell accommodation electric-connecting unit comprises a cell fixing rack and a cell power introducing part. The cell fixing rack is used to fixing a button cell and is arranged opposite to the cell power introducing part. One end of the cell power introducing part is individually connected to the positive pole and the negative pole of a button cell, and the other end of the cell power introducing part stretches out of the cell accommodation electric-connecting unit and is used to connect an electronic product. Through the technical scheme mentioned above, a button cell can be integrated in the cell accommodation electric-connecting unit.

The invention discloses a power battery structure. The power battery structure comprises a shell and a battery, wherein the surface of the shell is provided with a handle and a power transmission socket; the battery is mounted inside a cavity inside the shell; and the battery and the power transmission socket are in electric connection. The power battery structure is characterized in that the handle comprises a holding rod and two mounting columns; the holding rod is integrally in the shape of a long strip and is used for hands to be hold; the two mounting columns are formed by bending the twoends of the holding rod in the length direction; the holding rod and the two mounting columns form a U-shaped structure together; and assembling connection between the two mounting columns of the handle and the shell is realized through the cooperation of a hole plugging buckle and a jack. The power battery structure disclosed by the invention has the advantage of simple and reasonable structure,the production efficiency can be improved, the production cost is reduced, and the structure is more convenient to lift.

The invention discloses a high-precision hot melt glue nozzle. The high-precision hot melt glue nozzle is mounted on a glue gun body; the glue gun body is provided with a solution supply channel and a gas supply channel; the high-precision hot melt glue nozzle comprises a nozzle body and a core body, wherein a containing hole penetrating the upper and lower parts of the nozzle body is formed inside the nozzle body; the core body is matched with the containing hole and is closely embedded in the containing hole; a glue solution channel with an opening in the lower end surface of the core body is formed inside the core body; at least two gas channels extending to the lower end surface of the core body are formed in the peripheral surface of the core body; a gas channel is formed between the gas channel and the wall of the containing hole. The glue solution channel and the solution supply channel are communicated for outputting an glue solution line during operation, the gas channel and the gas supply channel are communicated for outputting gas flow, the glue solution line is output in a specific shape under the action of the gas flow, and the machining of the gas channel can adopt a mode of milling a groove in the conical peripheral surface of the core body to replace the traditional drilling mode, so that the formation mode of the gas channel is more accurate and efficient than the traditional drilling technology.

A mounting for a power unit for motor vehicles, comprises a support and a support plate fixed thereto, which may be detached in the case of a collision, whereby the support plate is connected to the support in a number of places. A power unit mounting may be achieved which guarantees a steady deceleration, whereby a separating device is provided, which separates the support plate from the support. The separating device can be a part of the support plate or fixed thereto and is forced between support plate and support in the case of a collision.

The invention provides a quickly-assembled aircraft landing gear assembly which is used for connecting a landing gear and an aircraft body. The quickly-assembled aircraft landing gear assembly comprises the landing gear and an aircraft connecting end mounted on an aircraft. The landing gear comprises a landing gear supporting end and a landing gear connecting end, and the aircraft connecting end is connected with the landing gear connecting end. T-shaped fixing blocks arranged at the landing gear connecting end are correspondingly fixed in T-shaped fixing grooves formed in the aircraft connecting end, movable anti-separation pins are correspondingly embedded into anti-separation holes in the T-shaped fixing grooves during assembling of the T-shaped fixing blocks and the T-shaped fixing grooves, and therefore the landing gear movable end and the landing gear fixed end are quickly assembled. Compared with the prior art, the landing gear movable end and the landing gear fixed end are quickly assembled and connected, and the quickly-assembled aircraft landing gear assembly has the advantages that installation is quick, and operation is easy.

The invention discloses liquid crystal display module assembly equipment. The equipment comprises a support frame and a PCB crimping assembly; the support frame is cubic; the PCB crimping assembly is mounted in the support frame and comprises a tube shell and a pressing mechanism; the tube shell is provided with through grooves along the vertical direction; the left and right ends of the through grooves penetrate through the tube shell; the upper end and the lower end of the tube shell are open; and the lower end of the tube shell is rotationally connected with a pair of limiting plates through a rotating shaft. The PCB crimping assembly of the assembly equipment comprises the tube shell and the pressing mechanism, the tube shell is provided with the through grooves in the vertical direction, the pressing mechanism is arranged on the side portion of the tube shell and comprises a separating plate and pressing plates; in the assembling process, PCBs can be contained and positioned through the through grooves in the tube shell, after every two adjacent PCBs are separated through the separating plate, the pressing plates are used for pressing and connecting the independent PCBs, and therefore, rapid assembling and connecting of the PCBs are achieved.

The invention relates to the technical field of electric vehicle fittings, in particular to a special electric vehicle silencer assembly connecting frame. The special electric vehicle silencer assembly connecting frame comprises a cylindrical first main body assembly connecting column; a cylindrical second main body assembly connecting column is arranged on the right side of the first main body assembly connecting column; the diameter of the first main body assembly connecting column is larger than the diameter of the second main body assembly connecting column; a center shaft of the first main body assembly connecting column is parallel to a center shaft of the second main body assembly connecting column; and a first connecting support isolation reinforcing plate is arranged on the outercylindrical surface, near the upper end, of the first main body assembly connecting column. The special electric vehicle silencer assembly connecting frame has the following advantages: through use ofthe connecting frame, a silencer can be assembled and connected with an electric vehicle main body structure more quickly and preferably, so that the assembly efficiency of the silencer is higher, and the total cost in assembly can be reduced.

The invention discloses a low-temperature valve which comprises a valve body, an opening and closing piece, a valve seat, a valve rod, a long-neck valve cover and a filler pressing sleeve. The valve seat is installed in the valve body, the opening and closing piece is installed in the valve seat and is in transmission connection with the lower end of the valve rod, and the valve rod is integrally and rotatably inserted in the long-neck valve cover; the valve body is provided with a valve rod mounting seat which is integrally of an upward-convex cylindrical structure, and the lower end of the long-neck valve cover is coaxially and fixedly mounted at the valve rod mounting seat; the top of the long-neck valve cover is fixedly provided with a packing pressing sleeve, the packing pressing sleeve is sleeved outside the upper section of the valve rod, and the inner lower end of the packing pressing sleeve abuts against the packing and the step surface on the valve rod and limits the upper section of the valve rod; the cold insulation valve is characterized in that the length section, located in the long-neck valve cover, of the valve rod is a cold insulation section, the outer side face of the cold insulation section is provided with a cold insulation layer, and the cold insulation layer is carbon aerogel felt. The invention further discloses a low-temperature valve production line. The low-temperature valve and the production line thereof have the advantages of being safe, environmentally friendly and higher in assembly production efficiency.

The invention relates to the field of heat dissipation, in particular to a heat dissipation device of an electronic component. The heat dissipation device comprises a heat source body, a heat conduction layer, a heat dissipation layer and an elastic heat conduction layer; the upper surface of the heat source body is connected with the heat conduction layer in an attached mode; the heat dissipationlayer is located above the heat conduction layer and is connected with the heat conduction layer in an attached mode; the elastic heat conduction layer is arranged below the heat conduction layer; the elastic heat conduction layer is of a ring type elastic connection piece structure and is connected with the heat source body in an attached mode; the heat source body is fixedly connected with theheat conduction layer through the elastic heat conduction layer; the elastic heat conduction layer comprises a graphene layer and an elastic connecting piece; and the graphene layer is arranged on thesurface of the elastic connecting piece. After the technical scheme is adopted, the heat dissipation device has the beneficial effects that the structure is simple, the fixation and connection are convenient, the heat dissipation area is effectively enlarged, and the heat dissipation speed and the heat dissipation efficiency are improved.

The invention relates to a manufacturing method for a composite bamboo tube with interchangeable firm joints. The manufacturing method is characterized by comprising the following process steps of: (1) treating the end parts of round bamboos, (2) variable cross-sections of the end parts of the round bamboos, and (3) carrying out solid normalization processing on the end parts of the round bamboos.After the end of the round bamboo is slotted, the arc-shaped bamboo chips at the end of the round bamboo can be bent inwards or outwards to the required size, and the filled resin is quickly cured toform the end with a standard section, so that the end can be easily connected with sawn timber, the round bamboo and the like. The composite round bamboo is low in production cost, the machining process is controllable, the forming period is short, the section size of the connecting end can be machined according to design, automatic production is facilitated, and interchange and rapid assembly are achieved. The material can be widely applied to furniture, home furnishing, bamboo buildings and the like, and is a sustainable environment-friendly material.

A steel structure unit room connecting system based on wedge-shaped blocks and an integral connecting plate comprises the connecting plate, an upper column corner fitting bottom plate, a lower column corner fitting top plate, the wedge-shaped blocks, long bolts and nuts. The wedge-shaped blocks are arranged between the upper column corner fitting bottom plate and the shear key on the upper face of the connecting plate and between the lower column corner fitting top plate and the shear key on the lower face of the connecting plate, long round holes are formed in the connecting plate, and vertical through round holes are formed in the wedge-shaped blocks. The long bolt penetrates through the upper wedge-shaped block, the lower wedge-shaped block and the middle connecting plate to connect the upper column corner piece bottom plate and the lower column corner piece top plate through the nut, then the upper column corner piece and the lower column corner piece are connected into a whole, and the vertical corner pieces are connected into a whole in the horizontal direction through the connecting plate. The device has the advantages of being clear in force transmission, good in integrity, convenient to install, capable of adjusting construction errors and the like.

The invention discloses a post-cast strip supporting device for constructional engineering, and relates to the technical field of supporting devices.The post-cast strip supporting device comprises a base, a fixed shell, a lifting shell and a hydraulic telescopic rod, a mounting base and a supporting rod are arranged in the lifting shell, the mounting base is provided with a plurality of mounting columns and mounting holes, and a first rotating pipe is mounted in the fixed shell; the supporting rod is connected with a first rotating pipe in an inserted mode, a transmission gear is connected to the first rotating pipe, a driving pipe is connected to a driven pipe installed on the fixed shell in an inserted mode, a transmission rod is further connected to the upper portion of the driven pipe in an inserted mode, an adjusting type gear connected with the transmission gear in an engaged mode is installed on the transmission rod, and an inserting rod and a first adjusting rod are further installed on the transmission rod. The first adjusting rod is connected to the fixing shell in an inserted mode, the first adjusting rod is further connected with a pull ring, the first adjusting rod is sleeved with a first reset spring, the inserting rod is connected to the interior of an inserting groove formed in the side wall of the fixing shell in an inserted mode, and a limiting assembly used for fixing the position of the inserting rod is arranged in the inserting groove.

The invention discloses an engine output shaft connection device, which comprises a spacer ring, a positioning sleeve and a lengthening shaft, wherein one end of the spacer ring is fixedly arranged on a fixed box wall of a driving component or a shaft end surface of an engine, and the other end of the spacer ring is detachably connected with another component; the lengthening shaft is coaxially arranged in the spacer ring, one end of the lengthening shaft is coaxially fixedly connected with an engine output shaft or the input shaft of a driving component, and the other end of the lengthening shaft is a hollow shaft and is sheathed on the other shaft part by key connection; the positioning sleeve is coaxially arranged between the spacer ring and the lengthening shaft; the diameter of the outer ring of the positioning sleeve is equal to the internal diameter of the spacer ring; the positioning sleeve is sheathed on the lengthening shaft; the tail end part of the outer ring of the hollow shaft section of the lengthening shaft is a cone of which the diameter gradually increases; the maximum internal diameter of the positioning sleeve is not greater than the maximum diameter of the hollow shaft section of the lengthening shaft. The quick alignment of the lengthening shaft and the engine shaft is realized by the positioning sleeve, the positioning sleeve and the lengthening shaft are separated after the engine finishes being installed, equipment is free from additional power loss, and the use efficiency of various types of hydraulic construction equipment can be further improved.