36results about How to "Quick release connection" patented technology

The invention discloses an electric air supply filtering type protective hood comprising a transparent hood body and an inflatable sealing base detachably arranged at the bottom of the hood body, wherein a cavity with an open bottom is formed in the hood body, and the hood body can sleeve the head in a direction from the top of the head of a user to the neck; an annular transverse zipper is formedat the bottom of the hood body, the sealing base is connected to the hood body through the transverse zipper, and the sealing base can tightly sleeve the neck of the user after being inflated so as to seal the cavity; at least two ventholes are formed in the hood body, a connector capable of being connected with an electric air feeder is detachably arranged on the ventholes, and a filter is embedded into the connector; internal threads in pipe connection with the electric air feeder are formed on the inner wall of the connector; and external threads in threaded connection with a closing cap are formed on the outer wall of the connector. The electric air supply filtering type protective hood is simple in structure, good in sealing performance and convenient to take off and wear; and the comfort is optimized.

The invention discloses T-branch pipe locking type rigid-plasticity combined type bulging equipment. The T-branch pipe locking type rigid-plasticity combined type bulging equipment comprises an upper half die and a lower half die. A forming cavity is arranged between the upper half die and the lower half die, and the two ends of the forming cavity are provided with bulging squeezing punches respectively. The lower half die is provided with an axis branch pipe forming cavity and a balance punch is installed in the branch pipe forming cavity. A rigid bulging inner die is arranged between the two bulging squeezing punches and comprises push rods located at the two ends respectively, and a forming inner die block which is matched with the branch pipe forming cavity and used for driving a pipe blank to bulge and deform is arranged between the two push rods; the forming inner die block is connected with the two push rods through double-hinge connecting rods; the opposite ends of the two push rods are provided with connecting grooves opened towards the branch pipe forming cavity; a limiting structure is arranged in each connecting groove; the push rods are installed in the corresponding bulging squeezing punches respectively in a sliding matching mode, and one of the push rods is provided with a locking type rapid detaching and connecting structure. Thrust devices are arranged at the two ends of the forming cavity and comprise compound hydraulic cylinders.

The invention discloses a quick-connect coupling, which includes a multi-position trigger mechanism and a socket; the body of the multi-position trigger mechanism is provided with a multi-layer handle, the handle includes a sliding column and a touch ball, and the touch ball is located on the body In the through hole, the sliding column extends horizontally from the outer wall of the body; the handles are arranged in a circular array at the center of the through hole, and the two sides of each touch ball are connected with two cylindrical springs; the top of the body is provided with a cone , the conical cylinder is located in the connecting cylinder and is fixedly connected with the main body; the valve stem is screwed in the conical cylinder, and the number of steel balls on the valve stem is the same as the number of layers of the handle; there are multi-layer horizontal settings on the inner wall of the socket. The blind holes are in a circular array centered on the center of the socket; the body is embedded in the socket, and matching ribs and grooves are respectively provided on the outer wall of the body and the inner wall of the socket to When the valve stem is screwed down, the steel ball can squeeze the sliding column of the handle into the corresponding blind hole on the inner wall of the socket. The invention can realize fast connection and disassembly.

The invention relates to a beveled groove-and-groove building formwork, which has a pouring surface and an outer surface; the fitting structure is suitable for moving in an embedding movement direction at an included angle with the edge and the pouring surface of one of the building formworks that are joined together. Embedded with the adjacent building formwork, the fitting structure limits the separation of the edge and the opposite edge of the adjacent building formwork in a direction perpendicular to the edge and the direction of embedding movement; the locking structure includes a locking piece that can be arranged on the edge, and on the adjacent The locking surface provided on the corresponding edge of the formwork; in the unlocked state, the movement between the locking part of the locking part and the locking surface on the adjacent formwork in the embedded movement direction does not interfere with each other; and after the two adjacent building formworks are matched, Through the action of the locking part, the locking part and the corresponding locking surface on the adjacent formwork are engaged with each other to lock the two adjacent building formworks in the embedding movement direction. The construction formwork of the present invention is not only fast and convenient to assemble and disassemble, but also has high connection strength, and the joint strength is not lower than that of a whole formwork.

An automatic steel wire rope cleaning machine comprises a supporting seat, a motor, a liquid storage box, a stain collecting box and a cylindrical brush used for brushing steel wire ropes. The cylindrical brush is located in an inner cavity of the stain collecting box and comprises a left half cylinder body and a right half cylinder body. One side of the left half cylinder body is hinged to one side of the right half cylinder body, and the other side of the left half cylinder body is connected with the other side of the right half cylinder body in a fast opening-closing mode. The cylindrical brush, the stain collecting box, the liquid storage box and the motor are all installed on the supporting seat. A lifting cross beam used for hoisting lifting equipment is arranged at the top of the supporting seat. A transmission system for driving the cylindrical brush to rotate is installed between a rotary shaft of the motor and the cylindrical brush. Faucets are installed on the liquid storage box. Liquid outlets of the faucets are located above bristles of the cylindrical brush. After the faucets are opened, liquid in the liquid storage box can drop onto the bristles. An inner cavity of the liquid storage box is divided into an oil storage cavity body and a cleaning solution storage cavity body through a partition plate. The two faucets communicate with the oil storage cavity body and the cleaning solution storage cavity body correspondingly. The automatic steel wire rope cleaning machine is efficient, environmentally friendly and capable of saving time and effort, and potential safety hazards in the steel wire rope cleaning process are avoided.

The invention discloses a quick connection device for a container body with an opening and a sealing cover, which comprises a joint bolt, a locking hook and a nut. One end of the joint bolt is integrally formed with a The hinged and fixed lifting ring, the other end of the swing bolt is provided with an external thread that can be screwed and fixed with the nut, the locking hook is slidably fitted on the swing bolt, and the locking The hook is correspondingly provided with a locking hook head that can be hooked and fixed with the flange on the container body or the sealing cover, and the nut is screwed on the swing bolt, and forms the shaft of the locking hook correspondingly. Fixed to the limit. Adopting the above-mentioned structure, not only can realize the fast loading and unloading connection between the sealing cap and the opening end of the container body, but also relatively reduce the processing steps, and will not affect the rigidity of the flange that cooperates with the locking hook, so that people do not need to increase the The thickness of the flange can achieve the purpose of saving materials.

The invention discloses a quick connecting device with an open container body and a sealing cover. The quick connecting device comprises a swing bolt, a locking hook and a nut; a ring which can be fixedly hinged to the container body or the sealing cover is integrally formed on the end part of one end of the swing bolt; the end part of the other end of the swing bolt is provided with external threads which can be fixedly spirally connected with the nut; the locking hook sleeves the swing bolts in a sliding manner, and is correspondingly provided with a locking hook head which can be fixedly matched with a flange on the container body or the sealing cover; the nut is spirally connected to the swing bolt, and the axial limiting fixation to the locking hook is correspondingly formed. By adopting the structure, the sealing cover and the open end of the container body are quickly detached and connected, processing procedures are relatively reduced, and the rigidity of the flange matched with the locking hook head cannot be influenced, so that the thickness of the flange is not required to be increased, and the aim of saving materials is fulfilled.

Rigid and plastic composite multiple-cylinder buckle type bulging forming equipment for a large-caliber three-way pipe comprises an upper half die and a lower half die. A forming cavity is formed between the upper half die and the lower half die. Bulging squeezing punches are mounted at the two ends of the forming cavity respectively. A branch pipe forming cavity is formed in the lower half die. A balance punch is mounted in the branch pipe forming cavity. A rigid bulging inner die is arranged between the two bulging squeezing punches and comprises push rods located at the two ends respectively. A forming inner die block is arranged between the two push rods and connected to the two push rods through double-hinge connecting rods. The push rods are mounted in the corresponding bulging squeezing punches in a sliding fit mode. One push rod is provided with a buckle type quick dismounting connecting structure. Thrust devices are arranged at the two ends of the forming cavity respectively. Each thrust device comprises at least three squeezing hydraulic cylinders and a central hydraulic cylinder, wherein the squeezing hydraulic cylinders are uniformly and annularly distributed around the axis of the central hydraulic cylinder. An auxiliary pressure mechanism is arranged between the two push rods.

The invention discloses a ventricular wall injection assisting device, which comprises a flexible belt-shaped main body made of biocompatible materials, a plurality of positioning holes are distributed on the belt-shaped main body, and the belt-shaped main body is made of biocompatible materials. A plurality of vacuum suction cups are arranged on the back of the main body, and the positions of the vacuum suction cups and the positioning holes do not coincide. In the ventricular wall injection assisting device of the present invention, a detachable connection is formed between the vacuum suction cup and the outer surface of the heart to fix the belt-shaped main body on the outer surface of the heart. Injecting non-contracting substances such as hydrogels separately can effectively improve the positioning accuracy of the injection point, shorten the operation time, and avoid residual pigment pollution in the patient's body.

The invention relates to a fast-assembly interchangeable multi-fuel cooking furnace, characterized in that the furnace comprises a grate, an upper furnace body and a lower furnace body, a circle of annular grate plate arranged on the grate, a circle of furnace edge arranged on the top of the grate plate and fitted and supported with a supplementary food pot of which periphery is steel, a pair of handles for interchange welded on the inner wall of the steel symmetrically, pond sludge arranged on the inner wall of the steel, an annular high-temperature ceramic fibre pad arranged on the grate plate inside of the furnace edge, and a circle of convex edge circumferentially arranged on the top of the upper furnace body, wherein the dead weights of the upper and lower furnace bodies are pressed on the high-temperature ceramic fibre pad through the convex edge, a bottom inlet of the upper furnace body and a top outlet of the lower furnace body are faced and connected into an integrated body through a fixing piece, a flue is slidingly arranged on the grate on one side of the upper furnace body, and two ends of the flue are connected to a flue outlet of the upper furnace body and a chimney through connecting pieces. The invention can be used in the fixed kitchens and other places needing furnaces widely.

The present invention relates to the technical field of paper bag tube production equipment, more specifically, it relates to a transverse dispensing device, comprising a frame, the frame is provided with a gluing assembly and a dispensing roller assembly, and the dispensing roller assembly includes a dispensing roller, The dispensing aluminum bed and several dispensing heads, the two ends of the dispensing roller are rotatably connected to the frame, the dispensing aluminum bed is detachable and installed on the dispensing roller, and the side of the dispensing aluminum bed away from the dispensing roller is provided with a Multiple mounting holes, the dispensing head is detachably connected to the mounting holes, and the dispensing head dips the glue from the gluing component. The beneficial effect of the present invention is that when the position where glue needs to be dispensed on the strip-shaped paper changes, the staff can adjust the position of the glue-dispensing head according to the position where glue needs to be dispensed on the strip-shaped paper.

The invention relates to a rotary drilling rig for angling method construction and a using method thereof, and belongs to the technical field of foundation construction equipment. The rotary drillingrig comprises two rotary drilling rig bodies, a support frame and a transverse movement driving mechanism for driving the rotary drilling rig bodies to move horizontally, wherein the rotary drilling rig bodies are in sliding connection with horizontal sliding rails on the support frame, the support frame comprises a base and a portal frame, water-permeable pile casings are movably arranged on thelower portion of power heads of the rotary drilling rig bodies, and when drilling rods descend, the water-permeable pile casings are driven to descend. According to the rotary drilling rig, the rotaryexcavating drill bodies can be transversely moved and displaced, the hole forming position can be changed without moving the support frame, and the construction efficiency can be improved; during construction, the two rotary drilling rig bodies work simultaneously, so that the construction efficiency can be improved by more than two times; permeable pile casings are adopted for protecting walls,and clear water construction method is adopted, and the underground water quality of the surrounding environment is not influenced; and the rotary drilling rig is particularly suitable for a bridge crane angling method and a trestle lateral angling method without constructing a ground construction sidewalk, the construction environment can be protected, and damage to the environment can be reducedto the maximum extent.