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38results about How to "Solve the problem of not easy disassembly" patented technology

Piano string locking peg facilitating string replacement and tuning

The invention relates to a piano string locking peg facilitating string replacement and tuning and relates to a piano string locking device. A small cylinder inner chamber and a large cylinder inner chamber which are communicated are coaxially formed in a cylinder body, the small cylinder inner chamber is communicated with the upper end surface of the cylinder body, the large cylinder inner chamber is communicated with the lower end surface of the cylinder body, the lower end of a rotary rod is rotationally inserted in the cylinder body, a string penetration hole is formed in the upper end of the side wall of the rotary rod, a positioning wheel is arranged in the large cylinder inner chamber, teeth are manufactured on the circumferential surface of the positioning wheel, the positioning wheel is coaxially and fixedly connected with the lower end surface of the rotary rod, a positioning groove is formed in the upper surface of a bottom plate, the upper surface of the bottom plate is fixedly connected with the lower end surface of the cylinder body, a fastening tube is provided with an external thread and coaxially fixed on the upper end surface of the cylinder body, a fastening cap is in fastening connection with the fastening tube through threads, and an opening I and an opening II are formed in the side wall of the fastening cap. A piano string mounting position is fixed in a wrapping and fastening manner, the structure is novel and practical, and string replacement and tuning are more convenient.
Owner:朱世龙

Insulator with self-cleaning effect for overhead transmission line

The invention relates to the technical field of overhead transmission line insulator cleaning, in particular to an insulator with a self-cleaning effect for an overhead transmission line, which comprises a cleaning part. At least a fixing ring is arranged in the cleaning part, installing bases are evenly and fixedly connected to the periphery of the outer side wall of the fixing ring, inserting grooves are formed in the positions, close to the edge of a right opening, of the periphery of the inner wall of each installing base, and rotating grooves are formed in the positions, close to the center, of the periphery of the inner wall of each installing base, a clamping groove is arranged in the right side of the rotating groove, a sealing side wall is arranged on the left side of the installing base, locking screw holes are formed in the edges of the left side and the right side of the inserting hole, the power piece comprises a connecting rod, a hemispherical wind cup is fixedly connected to one end of the connecting rod, and a plurality of clamping blocks are fixedly connected to the peripheral side walls, close to the edges, of the other end of the connecting rod. Through the cleaning brush which is arranged on the cleaning part and is tightly attached to the upper surface of the umbrella skirt, the cleaning brush rotates along with the fixing ring to clean the upper surface ofthe umbrella skirt, and then self-cleaning of the insulator in the using process is achieved.
Owner:YUEQING KEYI ELECTRIC GROUP

Tensioning apparatus for scraper plate material delivering system, and scraper plate material delivering system and paving machine thereof

The invention relates to a tensioning apparatus for a scraper plate material delivering system. The tensioning apparatus comprises a guide support; a tensioning thread sleeve, which is perpendicular to the length direction of the guide support; a tensioning screw, which is in screw-thread fit with the tensioning thread sleeve; and tensioning wheels, which are arranged on two sides of the guide support. The tensioning thread sleeve is axially limited on the guide support and matches with the unthreaded hole of the guide support in a loose fit mode. The head of the tensioning screw is abutted onthe rear end beam of a vehicle frame. The guide support is slidingly arranged on the support seat of the vehicle frame. The bottom of the guide support is provided with a guide slide block. Two sidesof the guide slide block are in loose fit with lateral surfaces of the support seat of the vehicle frame. By adopting a structure having a single screw and a single guide slide block, the problem that the tensioning screw of a rear-mounted tensioning apparatus is too long and is difficult to disassemble is solved; at the same time, the problem that the tensioning screw is easily deformed under the action of alternating bending stress is also solved; the adaptability of the tensioning apparatus is effectively improved, and the material delivering efficiency of the scraper plate material delivering system is improved.
Owner:TIANJIN ENG MACHINERY INST

Cloth spreading machine for garment production

The invention discloses a cloth spreading machine for garment production, and particularly relates to the technical field of garment production equipment. The cloth spreading machine comprises a processing table, wherein a cloth spreading frame is arranged on the surface of the top end of the processing table; a control box is arranged on the front surface of the processing table; a steam wettingchamber is arranged on one side of the cloth spreading frame; one end of the steam wetting chamber is connected with an elastic pipe; and two sleeve seats are arranged inside the cloth spreading frame. According to the cloth spreading machine, positioning columns, the sleeve seats, sliding rods and grooves are arranged, so that rapid connection between cloth placing rollers and the sleeve seats isrealized, the installation and the disassembly are convenient, the cloth placing rollers can be replaced, and normal operation of cloth spreading is guaranteed; a steam box and the steam wetting chamber are arranged, steam fumigation is carried out on the interior of the steam wetting chamber, and through steam ironing in the steam wetting chamber, the flatness of cloth can be realized, and the attractiveness is improved; and a lifting plate, a spring I and four supporting legs are arranged, so that the lifting plate can be elastically extruded, the supporting legs are in contact with the ground, and the stability of the processing table is guaranteed.
Owner:高邮萤火贸易有限公司

Thread quick-dismantling device applied to coupling water pump

The invention discloses a thread quick-dismantling device applied to a coupling water pump. The thread quick-dismantling device comprises a water pump impeller, a bearing, a water pump shaft and a coupling. The coupling and the water pump shaft are assembled in a threaded mode, and the water pump impeller and the water pump shaft are assembled in a threaded mode. The spiral directions of threads are arranged in the automatic locking directions of working and bearing. The water pump impeller is similar to a nut and tightly presses an impeller flat washer and a copper-lead torsion compound gasket by being connected with the water pump shaft in a threaded mode. The water pump impeller is in threaded rigid connection with one end of the water pump shaft. Clamping hoop parts are arranged at the other end of the water pump shaft in a sleeving mode, the water pump shaft is sleeved with a coupling flat washer, then, the coupling which is similar to the nut is screwed in, and all parts are reasonably locked, so that the clamping hoop parts, the coupling similar to the nut and the other end of the water pump shaft are also connected in a rigid mode. According to the thread quick-dismantling device applied to the coupling water pump, the problems that the threads are continuously and automatically locked and not easy to disassemble during assembling under the loading effect can be effectively solved, and a clamping hoop gasket is provided with elliptical holes so as to enhance the axial elasticity; the thread quick-dismantling device is especially suitable for convenient disassembling of a large-size component after the large-size component is locked in a threaded mode, and the effect is particularly remarkable.
Owner:JISHOU UNIVERSITY

Pipeline capable of being mounted quickly

PendingCN108775462AStable structureTo achieve mutual locking and fixingCouplingsPipe connection arrangementsEngineeringHot melt
The invention discloses a pipeline capable of being mounted quickly. The pipeline comprise a first pipe body, a second pipe body and a clamping stripe, wherein a first annular groove is formed in theouter side of one end of the first pipe body; a second annular groove is formed in the inner side of one end of the second pipe body, a first through hole is also formed in the second pipe body, one end of the first through hole is connected to the second annular groove while the other end of the first through hole is connected to the outer side of the second pipe body, the end, provided with thefirst annular groove, of the first pipe body is inserted into the end, provided with the second annular groove, of the second pipe body, and the first annular groove and the second annular groove arespliced to from an accommodating cavity; one end of the clamping stripe is inserted into the accommodating cavity through the first through hole and forms an annular clamping ring according to the structure of the accommodating cavity. The pipeline disclosed by the invention is simple and convenient in mounting process and can solve the problem that in the prior art, the pipeline is mounted and connected only by a hot melt way, so that the pipeline is stable in structure, can bear a tensile force and can be used for horizontal fixed drilling and pipe drawing construction.
Owner:广东科朗管网技术有限公司

Pipeline capable of being rapidly disassembled and installed

The invention discloses a pipeline capable of being rapidly disassembled and installed. The pipeline comprises tube bodies, a fixing sleeve and clamping strips, wherein first annular grooves are formed in the outer sides of one ends of the tube bodies; second annular grooves and third annular grooves are formed in the inner sides of the two ends of the fixing sleeve, first through holes are formedin the fixing sleeve, one ends of the first through holes are connected with the second annular grooves, the other ends of the first through holes are connected with the outer side of the fixing sleeve, one ends of the second through holes are connected with the third annular grooves, the other ends of the second through holes are connected with the outer side of the fixing sleeve, the tube bodies are provided with the first annular grooves, one ends of the tube bodies are inserted into one end, with the second annular grooves, of the fixing sleeve, the first annular grooves and the second annular grooves are spliced to form containing cavities, one ends of the clamping strips are inserted into the containing cavities through the first through holes, and annular clamping rings are formedaccording to the containing cavities. The pipeline can effectively solve the problem that in the prior art, the pipeline installation connection can be realized only by adopting a hot melting mode, sothat the pipeline structure is stable and can bear tensile force, and the pipeline can be used for horizontal fixed drill pipe drawing construction.
Owner:广东科朗管网技术有限公司

Stamping type burner of gas stove

The invention relates to a ram-type burner for a gas stove, which comprises an outer ejection pipe and an inner ejection pipe, the outer ejection pipe includes an upper half pipe and a lower half pipe, and the upper half pipe is provided with an upper ejection groove and the upper chamber, the two ends of the upper ejection groove are respectively connected to the upper chamber and the gas pipeline, the lower half pipe is provided with a lower ejection groove and a lower chamber, and the lower ejection groove is connected to the upper ejection groove Correspondingly, the lower cavity corresponds to the upper cavity, and the upper half tube and the lower half tube are fastened and fixedly connected and gas-liquid sealed. When the upper half tube and the lower half tube are fastened, the The groove and the lower injection groove are combined to form the injection pipe of the outer injection tube, the lower cavity is located inside the upper cavity, and an outer ring mixing cavity is formed between the two, and a through hole is provided on the lower cavity For the penetration of the inner injection tube, the inner injection tube is located on the left or right side of the outer injection tube. The invention has simple structure and simplifies the production process of stamping.
Owner:SAKURA BATH & KITCHEN PRODS CHINA

Temperature difference assembly part, assembly method and light rigid body assembly with temperature difference assembly part

The invention discloses a temperature difference assembly part, which comprises a controlled part, a temperature difference assembly part, a temperature difference assembly part and a temperature difference assembly part, clamping part, at least one clamping space corresponding to the shape of the controlled part is formed in the clamping part; the clamping space has a size slightly smaller than that of the controlled part; when the temperature of the clamping part is higher than the temperature of the to-be-processed part and reaches a preset temperature difference value, the clamping space can just allow the to-be-processed part to get in and out, and when the temperature difference between the clamping part and the to-be-processed part is smaller than the preset temperature difference value, the size of the clamping space tightly clamps the to-be-processed part of the to-be-processed part; and the low heat transfer layer is arranged between the controlled part and the position, where the clamping space is formed, of the clamping part, and the low heat transfer layer has a heat conduction value lower than that of the controlled part and that of the clamping part. In addition, theinvention further discloses an assembling method of the temperature difference assembling part and a light rigid body assembly with the temperature difference assembling part.
Owner:MINTRON ENERGY TECH CO LTD

Intelligent air injection backpack and control method of intelligent air injection backpack

The embodiment of the invention provides an intelligent air injection backpack and a control method of the intelligent air injection backpack. The intelligent air injection backpack comprises a backpack body and an intelligent bracket detachably connected with the backpack body, and an air injection power unit and an air bag unit connected with the air injection power unit are arranged outside the intelligent bracket. A control unit, a pressure sensing unit and a posture sensing unit are arranged in the intelligent bracket, the pressure sensing unit and the posture sensing unit are separately connected with the control unit, the gravity and the stress direction of the intelligent air injection backpack are measured through the pressure sensing unit and the posture sensing unit respectively, and then the control unit obtains air injection parameters. Whether the gravity is larger than a preset gravity threshold value or not is judged according to the air injection parameters, and if the gravity is larger than the preset gravity threshold value, the working mode of the intelligent air injection knapsack is controlled according to the stress direction, the air injection power unit and the air bag unit, so that the bearing capacity of the intelligent air injection backpack is relieved, and the intelligent air injection backpack is kept balanced.
Owner:SHENZHEN RUGUO TECH

A piano string-locking nail that is convenient for string changing and tuning

The invention relates to a piano string locking peg facilitating string replacement and tuning and relates to a piano string locking device. A small cylinder inner chamber and a large cylinder inner chamber which are communicated are coaxially formed in a cylinder body, the small cylinder inner chamber is communicated with the upper end surface of the cylinder body, the large cylinder inner chamber is communicated with the lower end surface of the cylinder body, the lower end of a rotary rod is rotationally inserted in the cylinder body, a string penetration hole is formed in the upper end of the side wall of the rotary rod, a positioning wheel is arranged in the large cylinder inner chamber, teeth are manufactured on the circumferential surface of the positioning wheel, the positioning wheel is coaxially and fixedly connected with the lower end surface of the rotary rod, a positioning groove is formed in the upper surface of a bottom plate, the upper surface of the bottom plate is fixedly connected with the lower end surface of the cylinder body, a fastening tube is provided with an external thread and coaxially fixed on the upper end surface of the cylinder body, a fastening cap is in fastening connection with the fastening tube through threads, and an opening I and an opening II are formed in the side wall of the fastening cap. A piano string mounting position is fixed in a wrapping and fastening manner, the structure is novel and practical, and string replacement and tuning are more convenient.
Owner:朱世龙

Stamping type stove burner and manufacturing method thereof

The invention relates to a stamping type stove burner which comprises inner ejecting pipes, outer ejecting pipes, an inner annular cavity, an outer annular cavity, an inner burner cap base, a furnace end connecting piece, a furnace end, an inner burner cap and an outer burner cap. The inner ejecting pipes include the upper, middle and lower inner ejecting pipes. The outer ejecting pipes include the upper, middle and lower outer ejecting pipes. The upper inner ejecting pipe, the upper outer ejecting pipe and the outer annular cavity are subjected to board stamping and integrated molding to form an upper half pipe. The middle inner ejecting pipe, the middle outer ejecting pipe and the inner annular cavity are subjected to board stamping and integrated molding to form a middle pipe. The lower inner ejecting pipe and the lower outer ejecting pipe are subjected to board stamping and integrated molding to form a lower half pipe. The upper half pipe, the middle pipe and the lower half pipe are buckled, subjected to hydraulic and gas sealing and fixedly connected together. The inner burner cap is connected to the inner annular cavity. The inner burner cap is arranged on the inner burner cap base. The furnace end connecting piece is connected to the outer annular cavity. The furnace end is arranged on the furnace end connecting piece. The outer burner cap is arranged on the furnace end. The burner is safe, environmentally friendly and easy to carry.
Owner:SAKURA BATH & KITCHEN PRODS CHINA

Thread fast-dismounting device applied to coupler fan

The invention discloses a thread fast-dismounting device applied to a coupler fan. The thread fast-dismounting device comprises a fan impeller, a bearing, a fan shaft and a coupler. The coupler and the fan shaft are assembled through a thread, and the fan impeller and the fan shaft are assembled through a thread; and the thread turning direction is the direction of automatic locking along with work and bearing. The fan impeller is similar to a nut, is in threaded connection with the fan shaft and enables an impeller flat washer and a copper lead reverse-folding composite pad to be pressed, and the fan impeller is in threaded rigid connection with one end of the fan shaft; a clamping part is sleeved with the other end of the fan shaft, and then the coupler flat washer is sleeved with the fan shaft and then is screwed into the coupler similar to a nut; and total locking is carried out reasonably, and the clamping part and the coupler similar to the nut are in rigid connection with the other end of the fan shaft. According to the device, the problem that under the load effect, a thread assembly is continuously and automatically locked and is not prone to being disassembled can be effectively solved, the device is particularly suitable for convenient and rapid disassembling of a large component obtained after thread locking, and the effect is particularly obvious.
Owner:JISHOU UNIVERSITY

Thread quick detaching device for fan of belt pulley

The invention discloses a thread quick detaching device for a fan of a belt pulley. The thread quick detaching device for the fan of the belt pulley comprises a fan impeller, a bearing, a fan shaft and the belt pulley, wherein the belt pulley and the fan shaft are assembled in a threaded manner; the fan impeller and the fan shaft are assembled in a threaded manner; a thread turning direction is a direction in which automatic locking is implemented along with operation and load bearing; the fan impeller which is similar to a nut is in threaded connection with the fan shaft and tightly presses an impeller flat washer and a copper-plastic reverse bending composite gasket; the fan impeller is rigidly connected with one end of the fan shaft in a threaded manner; a clamp part sleeves the other end of the fan shaft; a belt pulley flat washer sleeves the fan shaft and then the belt pulley which is similar to a nut is screwed in, and all parts are locked reasonably, so that the clamp part and the belt pulley which is similar to the nut are rigidly connected with the other end of the fan shaft. By the thread quick detaching device, the problem that thread assembly is automatically locked continuously and is not easy to detach under the effect of a load can be solved effectively, and an oval hole is formed in a clamp gasket so as to improve axial elasticity; and the thread quick detaching device is particularly suitable for conveniently detaching large components after threaded locking, and the effect is particularly remarkable.
Owner:JISHOU UNIVERSITY
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