42results about How to "Not easy to pop out" patented technology

The invention discloses an automatic spring support assembly machine. The automatic spring support assembly machine comprises a machine platform, and two steel ball assembly detection mechanisms, two spring assembly mechanisms and two glue cover transport mechanisms, which are respectively arranged in opposite mode, wherein each spring assembly mechanism comprises a spring feeding component, a pressing component, a fetching component and a material pull component, each spring feeding component and each pressing component are arranged in parallel mode on a front position and a rear position along the transverse direction of the machine platform, and can move back and forth along the radial direction of the machine platform, and each fetching component and each material pull component are oppositely arranged in the vertical direction and both vertical to the moving direction of the spring feeding components and the pressing components. The invention further discloses an assembly method of glue cover conveying devices, steel ball storage devices, spring storage devices and spring supports, which are arranged at the front segments of the steel ball assembly detection mechanisms. The automatic spring support assembly machine quickly and conveniently assembles springs, achieves high product quality, automatically links all processes in assembly, detects superior and inferior levels of products in the assembly, achieves automatic production, simplifies manual production, and saves labor.

The invention relates to a bottle opener for opening a bottle cover with a skirt-shaped edge. The bottle opener aims at solving the problem that the existing bottle cover with the skirt-shaped edge is difficult to open and unsafe. The bottle opener is formed by a handle, a U-shaped groove with blades and inclined surfaces on two arms, a top cover on the upper portion of the U-shaped groove and a partition board on the lower portion. The blade is firstly inserted into a gap between the skirt-shaped edge of the bottle cover and a bottom opening, then the bottle cover is raised up by enabling the skirt-shaped edge to slide along the inclined surface, then the bottle cover is pried out of the bottle opening, and the bottle opening process is finished. The top cover on the upper portion of the U-shaped groove can prevent the pried bottle cover from bouncing out. The partition board can prevent hands from contacting with the bottle opening. The bottle opener is simple in structure, can safely and quickly open the bottle cover with the skirt-shaped edge, can cover the bottle cover back, prevents the bottle cover from contacting with other objects during the process and prevents materials in the bottle from being polluted.

The invention relates to a particulate filter and a cylinder body structure for GIS/GIL. The particulate filter comprises a trap cover plate and a trap grid plate; a cover plate connecting structure is arranged on the trap cover plate, the trap cover plate is used for being detachably and fixedly connected to the opening of the cylinder wall of a cylinder body through the cover plate connecting structure; and the trap grid plate is detachably connected to the trap cover plate so that an equipotential area can be formed between the trap grid plate and the trap cover plate, grid holes are distributed in the trap grid plate, and the grid holes allow metal particulates to pass through so that the metal particulates can enter the equipotential area. After the trap cover plate is fixedly connected to the corresponding cylinder body, under the action of alternating-current high voltage, the metal particulates in the cylinder body can move under the action of an electric field and finally passthrough the grid holes to enter the equipotential area, so that the metal particulates are not affected by the electric field any more, the metal particulates stop moving, and capturing of the metalparticulates is achieved; moreover, the trap cover plate and the trap grid plate are both of plate-shaped structures, so that the structure of the particulate filter is simplified.

A needle-free connector for infusion comprises an outer cover, an elastic capsule and a base. The end of the outer cover is round. A channel for liquid medicine to flow through is formed in the middle of the base. The elastic capsule is arranged on the outer wall of the channel in a sleeving mode, the end of the elastic capsule is oval, the length of the short axis of the oval is larger than the diameter of the end of the outer cover, a drainage opening is formed in the short axis direction of the oval, the drainage opening comprises two outward-protruding curves symmetrically distributed along the two sides of the short axis, and the distance between the two curves in the long axis direction is gradually reduced from the center of the drainage opening to the two ends of the short axis. A shoulder part for limiting the end of the elastic capsule is arranged on the inner side of the upper portion of the outer cover, and a stop part is in sealing fit with the shoulder part. The base is provided with a connection part, and exhaust grooves are formed along the two radial sides of the channel. The needle-free connector for infusion is reasonable in structural design; due to the round end of the elastic capsule, a good sealing effect is achieved; due to sealing fit between the stop part of the elastic capsule and the shoulder part of the outer cover, the airtightness of a liquid medicine delivery system is ensured, and meanwhile the end of the elastic capsule is not likely to pop out of the end of the outer cover under the elastic force of the elastic capsule.

The invention relates to a coupling for a stirring device. A driving shaft and a driven shaft which are used for being connected with the stirring device rotate jointly so as to transmit torque. The coupling comprises two hollow half-coupling barrels, one end of each half-coupling barrel is provided with a boss extending outwards from a side wall of the barrel, and the two bosses are provided with fixing holes corresponding to each other. The coupling is characterized in that identical annular grooves are arranged on planes of the two bosses, and at least one axial limiting protrusion is arranged in the annular grooves. The grooves for placing annular elastic pieces are arranged in the bosses of the coupling, simultaneously the limiting protrusion is arranged, the positioning action on the elastic pieces is enhanced, the elastic pieces are fixed easily in installation, and the elastic pieces cannot jump out easily in dismantling so that the loss is avoided. Inserting structures matched with each other can be arranged on the two half couplings, assist a thread connecting piece in enlarging friction between the two half couplings, and reduce stress and consumption of the thread connecting piece.

The invention provides a spiral spring fixture. The spiral spring fixture comprises two oppositely arranged clamping plates which are arranged on a spring disassembling and assembling device, oppositely arranged through holes which are formed in the two clamping plates, a locking bolt which is arranged in the two through holes in a penetrating manner and a nut which is arranged on the locking bolt. The spiral spring fixture further comprises two rotatable clamping heads which are oppositely arranged on the two clamping plates, wherein threaded grooves which are adaptive to an outer circumferential surface of a spiral spring are formed in working faces of the clamping heads. The spiral spring fixture is used for clamping the spiral spring to prevent the spiral spring from easily popping up during disassembling and assembling, and the personal safety of operators is guaranteed.

The invention provides an aviation engine bearing and oil receiving ring connection structure and particularly relates to the aviation engine bearing and oil receiving ring connection structure. The aviation engine bearing and oil receiving ring connection structure comprises a bearing, a left oil receiving ring and a right oil receiving ring, the left oil receiving ring and the right oil receiving ring are concentrically arranged on two sides of the bearing correspondingly, the bearing comprises an outer ring, an inner ring, a bearing holder and a plurality of rollers, two sides of the bearing holder are concentrically provided with two oil blocking rings, the outline of the left oil receiving ring is in a circular ring shape, the periphery of the outer surface of the left oil receiving ring is provided with an annular groove, the side, close to the bearing, of the left oil receiving ring is provided with a plurality of through holes in an evenly distributed manner, the outline of theright oil receiving ring is in a circular ring shape, the side, close to the bearing, of the right oil receiving ring is provided with a plurality of through holes in an evenly distributed manner, and the left oil receiving ring and the right oil receiving ring communicate with the rollers through the through holes and an annular gap formed by the bearing holder and the inner ring. The aviation engine bearing and oil receiving ring connection structure is used for aviation engine bearing lubrication.

The invention discloses a pretreatment apparatus for producing preserved fruits. The apparatus comprises a support frame, a conveying device for conveying a material, a driving device for driving theconveying device to move the material, and a treatment device for denucleating and slicing fruits; the driving device includes a driving wheel that can move back and forth, a driving member for driving the driving wheel to move back and forth, and a driving shaft in standstill locking fit with the driving wheel; and the support frame includes a main rod in rotating fit with the driving shaft, a reinforcing rod detachably connected to the main rod, and a guiding basket matched with the treatment device. The arrangement of the guiding basket makes fruit kernels, taken out by the treatment device, unitively collected and discharged by the guiding basket, so obstruction and even damages of the apparatus, caused by random falling of the fruit kernels, are avoided, bacteria are prevented from growing, and the cleanness and the hygiene of treated fruits are ensured.

The invention discloses a high-pressure holepacking and pressure relief protection method for coal strata. The method comprises the following steps: firstly, a hole is drilled, and a hole packer is extended into thedrilled hole; secondly, water is injected into thehole to pack thehole; thirdly, the hole packer keeps pressure of the packed hole to fracture the coal strata; fourthly, fracturing is stopped; fifthly, the hole packer keeps pressure and reduces and releases pressure stage by stage; and sixthly, the hole packer is recovered. A one-way safety valve is changed into a two-way safety valve, the valve is controlled by cooperation with a pipe, conventional high-pressure water can be injected into the drilled hole to seal the hole and fracture the coal strata, pressure keeping and relief of the hole packer can be conducted, and water pressure in the drilled hole is acquired by a pressure gauge; when fracturing is stopped, the two-way safety valve of the hole packer cooperates withtheone-way valve to maintain pressure of the hole packer stopping water injection; stage-by-stage pressure relief is achieved by adjusting an external pipe cut-off valve and a pressure regulating valve,high-pressure water infracturing holes can flow out through the two-way safety valve, in-situ pressure maintenance and pressure relief of the hole packer is achieved, a high-pressure rubber expansionhose is less likely to be ejected from the drilled hole,high-speed friction with the fractured holes is prevented, and the service life is long.

The invention provides a dust collecting cover of a grinding machine, which belongs to the technical field of machinery and is used for solving the technical problems of difficulty in disassembling and assembling and the like existing in the conventional dust collecting cover of a grinding machine. The dust collecting cover of the grinding machine is characterized by comprising a substrate covered at the bottom of a grinding wheel and a cover body assembly covered on the top and the back side part of the grinding wheel; the cover body assembly comprises a fixed cover plate and a movable cover plate positioned on one side of the fixed cover plate; the fixed cover plate is fixedly connected with the substrate; and the movable cover plate is connected with the substrate and/or the fixed cover plate of the cover body assembly through a locking structure which can be used for separating the movable cover plate from the fixed cover plate. According to the dust collecting cover of the grinding machine, the grinding wheel can be replaced only by separating the movable cover plate from the fixed cover plate by operating the locking structure without detaching the entire dust collecting cover, so that the dust collecting cover has the advantages of convenience in replacing the grinding wheel, reduction in the operating difficulty, and increase in the replacing efficiency; and repeated integral disassembly and assembly of the dust collecting cover are avoided, the damaging possibility of the dust collecting cover is lowered, and the service life of the dust collecting cover is prolonged.

The invention provides an inflatable swimming pool facilitating drainage. The inflatable swimming pool comprises an air chamber layer and a bottom cushion. The air chamber layer is approximately rectangular, the two long sides of the rectangular air chamber layer are recessed inwards, and the bottom plane of the air chamber layer is sealed through the bottom cushion to form a pool structure. Afterthe portion between the air chamber layer and the bottom cushion is filled with water, the two long sides of the air chamber layer can expand outwards to form a straight rectangular pool. The air chamber layer is further provided with a storage cavity, the outdoor part of the storage cavity is provided with a closing cover, the storage chamber is internally provided with a power supply module, acontrol switch and an air inflation pump, the inflation pump communicates with an inner cavity of the air chamber layer through an inflation communication pipe, and a control switch can control the inflation pump to be started or stopped. The inflatable swimming pool is more convenient to use, better in drainage efficiency and capable of being automatically inflated.

The invention provides an antenna structure which is applied to a notebook computer. The notebook computer comprises a display screen and a host computer. The host computer of the notebook computer is provided with a grounding part; the antenna structure comprises an antenna and a grounding component; one end of the antenna is arranged at the screen of the notebook computer and the other end thereof is extended to the host computer; the antenna is provided with a grounding section. The grounding component is arranged beside the grounding part and comprises a clamping part and a pushing part which extends from the clamping part; the clamping part clamps and is electrically connected with the grounding section; the pushing part is contacted with the grounding part, thus leading the antenna to be electrically conductive with the grounding part to form a grounding loop, thereby improving the grounding effect and being convenient for assembly.

The invention discloses a free falling device based on an electromagnetic induction coil and an acclamation measurement method. The device comprises a control base, a wire column and a hollow column are arranged on the control base and provided with a first coil fixing device, a second coil fixing device and a third coil fixing device, and the first coil fixing device, the second coil fixing device and the third coil fixing device are internally provided with a first coil, a second coil and a third coil respectively; a fixing rack is arranged at the top of the hollow column, a button and a magnet exciting coil are arranged on the fixing rack, a magnet is arranged in the magnet exciting coil, an attraction sleeve is connected to the bottom of the magnet, and a steel ball is arranged in theattraction sleeve; the first coil, the second coil and the third coil are connected with a signal amplifier, the signal amplifier is connected with an A/D converter, the A/D converter is connected with the controller, and the controller is connected with a display screen, a timer and the button. According to the device, the acceleration of the steel ball during free falling can be measured, a numerical value is displayed, and the richness of a teaching experiment is improved.

The invention discloses a pressing self-locking structure, which belongs to the technical field of pressing self-locking. The pressing self-locking structure comprises a left frame body and a right frame body fixedly arranged at the rear part of the left frame body, wherein a sliding connecting piece is arranged in the left frame body; the inner wall of the front part of the left frame body is fixedly provided with a barrel; a return spring is sleeved between the sliding connecting piece and the barrel; the upper part of the left frame body is provided with a pressing piece for driving the sliding connecting piece to axially and relatively slide in the left frame body; axial movement of the sliding connecting piece in the right frame body can be realized by pressing the pressing piece; andfurther, the sliding connecting piece is promoted to drive an external part to move, and a use state and a non-use state of the external part can be realized. The operation is simple and convenient,the flexibility is stronger, and the pressing piece is not easy to move downwards in the right frame body when the external acting force is smaller, so that the triggering of the whole device is not easy to cause, the device is kept in the non-use state, and unnecessary troubles caused by external mistaken touch are reduced.

The invention discloses an assembling device for a steel wire check ring for a hole. The assembling device comprises a sleeve, a mandrel, an ejector rod, a fastening bolt, a butterfly nut and a gasket; an inner hole of the sleeve is a conical hole section, an arc-shaped groove and a straight hole section; the mandrel penetrates through the inner hole of the sleeve and an inner hole of the ejector rod; the arc-shaped groove is formed in the shaft section of the mandrel; the outer portion of the ejector rod is in a stepped shaft type; the thin shaft end penetrates into the conical hole section of the sleeve; the fastening bolt is in a stepped shaft type; the thick shaft end face makes contact with the end face of the mandrel; the thin shaft end is provided with a thread; the two ends of the thin shaft end are provided with linear grooves; the butterfly nut is matched with the mandrel; and the two end faces of the gasket make contact with the thick shaft end face of the ejector rod and the end face of the butterfly nut respectively. On the basis that the product surface quality requirement, the small product hole diameter and the deep hole position are considered, the assembling device for the steel wire check ring for the hole is provided, the assembling accuracy and the assembling efficiency of the steel wire check ring for the hole are improved, the product surface is prevented from being damaged, the product percent of pass is greatly increased, and the rejection rate of the check ring is reduced.