59results about How to "The solution cannot be fixed" patented technology

The invention discloses a height-adjustable computer display screen, which comprises a display screen, the bottom of the display screen is fixedly connected with a column, the top of the surface of the column is covered with a box body, and the bottom of the column penetrates into the box body The two sides of the bottom of the column are fixedly connected with connecting blocks, and the side of the connecting block away from the column is fixedly connected with a first slider. In the present invention, a box body, a connecting block, a first slider, a groove, a screw sleeve, a first chute, a fixed plate, a through groove, a bearing, a rotating shaft, a screw, a movable base, a first gear bevel, and a second gear bevel are arranged. , movable column, collar, turntable, handle, card slot, second chute, second slider and card block cooperate with each other to achieve the effect of adjustable height, so that the computer display screen can be flexibly adjusted according to people's actual use conditions. The adjustment reduces the adverse effects of computer display screens on people's health.

The invention discloses a multifunctional split water-loop heat pump unit comprising a compressor, a total-heat recoverer, a first four-way valve, a second four-way valve, a geothermal exchanger, a one-way valve, a solenoid valve, a liquid reservoir, an electric expansion valve and a tail-terminal heat exchanger. An outlet end of the compressor is connected with the total-heat recoverer that is connected with a first port of the first four-way valve, a fourth port of the first four-way valve is connected with the geothermal exchanger, the liquid reservoir, the electric expansion valve, the solenoid valve and the tail-terminal heat exchanger sequentially, the tail-terminal heat exchanger is connected with a first port of the second four-way valve, a fourth port of the second four-way valve is connected with a second port of the first four-way valve, an inlet end of the compressor is connected with a second port of the second four-way valve, a third port of the first four-way valve is connected with a second port of the second four-way valve, and the one-way valve is connected between a third port of the second four-way valve and the electric expansion valve.

The invention discloses a soil sieving machine for agricultural use. The soil sieving machine for agricultural use comprises a bottom plate, the two sides of the bottom of the bottom plate are fixedly connected with fixing blocks, the left side of the top of the bottom plate is fixedly connected with a first vertical post, the center of the top of the bottom plate is movably connected with a collection box, the right side of the top of the bottom plate is fixedly connected with a second vertical post, and the bottom of the left side of the first vertical post is fixedly connected with a bearing platform. The bearing platform, a first motor, a first rotating shaft, a gear, a rack plate, a sieve body, a moving post, a limiting block, a spring, connecting posts, a cantilever arm, a second motor, a second rotating shaft, crushing cutters and a controller are arranged and matched with one another, so that the efficient soil sieving effect is realized, the problem that an existing soil sieving machine does not have an efficient soil sieving function is solved, time and effort are saved when a farmer uses the soil sieving machine, the working efficiency of the farmer is improved, the practicability of the soil sieving machine for agricultural use is improved, and the soil sieving machine for agricultural use is suitable for application and popularization.

The invention relates to a method for quickly anchoring a caisson by a rocket anchor to achieve plugging. The problem that the caisson can not be fixed in the deceleration and decompression process is solved through the fact that the caisson is remotely controlled to explode and the rocket anchor provides anchoring force for the caisson, so that plugging is achieved quickly, precisely and safely.

The invention provides a wood horizontal drilling device, the wood horizontal drilling device comprises a controller, a frame, and a motor, a feeding device and a fixing device which are arranged on the frame; the motor is connected with a drill bit on the side end of the moving direction, the motor and the controller are in electrical connection; the feeding device comprises a pallet for fixing the motor, a cylinder mounted on the frame and driving the pallet to move left and right, and a first travel switch, a sensing column for sensing the first travel switch is mounted on the side of the pallet, the first travel switch is mounted on the frame and electrically connected to the controller; the fixing device is mounted above the cylinder, and includes a mounting plate fixed on the frame,a V-shaped fixing block mounted on the mounting plate, a drilling hole shaft sleeve and a second stroke switch, the drilling hole shaft sleeve is provided with a through hole for a drill head to passthrough, the drilling hole shaft sleeve is located just between the V-shaped fixing block and the second stroke switch, and the second stroke switch and the controller are in electrical connection. The wood horizontal drilling device has a simple and practical structure and can be widely applied and promoted.

The invention discloses a fixing module for mounting an exposed junction type thermocouple. The fixing module comprises a cylinder; the outer wall of the front end of the cylinder is provided with external threads; the front end of the axial center of the cylinder is provided with an inner hexagonal screw hole in a certain depth; the other end of the axial center of the cylinder is provided with a thermocouple wire fixing groove; the size of the thermocouple wire fixing groove is matched with the diameter of selected thermocouple wires; a hemispherical hole is processed on the thermocouple wire fixing groove; the diameter of the hemispherical hole is matched with the diameter of the selected thermocouple; an inner threaded hole is processed axially in the cylinder between the inner hexagonal screw hole and the thermocouple wire fixing groove; the thermocouple wires sequentially penetrate through the hemispherical hole, the thermocouple wire fixing groove, the inner threaded hole and the inner hexagonal screw hole, and are led out until a thermocouple measuring ball is fitted with the hemispherical hole. The fixing module works stably and reliably, can effectively solve the difficult problem that the exposed junction type thermocouple cannot be fixed, and also solves the problem of insulation of the two wires of the thermocouple.

The invention pertains to an ice bag in medical equipment. The portable, shapable and flexible ice bag consists of a capsular core and a capsular bag taking the capsular core. The capsular core is made from a flexible material adhered with liquid which is not solidified by freezing at low temperature and characterized in that the flexible material is fixed with a rigid moulding plate which can change shape mechanically. The invention has the advantages that: main content of the flexible ice bag adopts an ethylene glycol aqueous solution as an ice storage agent and a sponge sheet is arranged in the capsular bag to block liquid flowing; an aluminum flake positioned in the sponge sheet moulds the ice bag. The position of the moulding flake solves the problem that normal ice bags can not be fixed in special parts of human body. For example, when nosewings or ears in ophthalmology are coldly compressed, the bent moulding aluminum flake has the ice bag of the invention be matched and located with the concave parts and medical care personnel or patients do not have to hold the ice bag with hand, thus reducing nursing working and realizing better cold compressing effect.

The invention discloses a negative pressure type paper cutting machine for paper making. The negative pressure type paper cutting machine comprises a box body. A discharging opening is formed in the bottom of one side of the box body. A discharging box is arranged at one side of the bottom of the inner wall of the box body. A guiding plate is fixedly connected to the other side of the bottom of the inner wall of the box body. One end of the guiding plate is fixedly connected with the inner wall of the box body. The upper surface of the guiding plate is provided with air inlets. An exhaust fanis fixedly mounted at the position, located below the guiding plate, of the inner wall of the box body. Air outlets are formed in the other side of the box body. A support table is fixedly connected to one side of the upper surface of the box body. A first motor is fixedly mounted on the upper surface of the support table. A first rotating shaft is fixedly connected to the output end of the firstmotor through a coupling. The negative pressure type paper cutting machine for paper making is provided with the exhaust fan and the guiding plate, so that when the exhaust fan is started, the negative pressure is generated inside the box body; a paper product is adsorbed onto the guiding plate to be fixed, and thus the problem that the paper product cannot be fixed is effectively solved; and paper cutting quality is improved.

The invention discloses a motor stator structure which comprises a main body part, a circuit board and a tin blocking cover, wherein the main body part comprises a winding connection wire; the circuit board is mounted on the main body part; and the tin blocking cover is arranged between the main body part and the circuit board, and the winding connection wire connected out from the main body part is firstly locked in the tin blocking cover and further connected to the circuit board. The motor stator structure not only can fix the winding connection wire better, improve welding quality and provide convenience for automatic welding, but also avoids a phenomenon of tin leakage welding.

The invention discloses an automatic slitting device for a lithium battery core pole piece, and relates to the technical field of slitting devices. The automatic slitting device comprises a fixed box,a first motor is installed inside the fixed box, the output end of the first motor is connected with a driving roller, the outer wall of the driving roller is fixedly connected with a hobbing cutter,a silica gel heating piece is installed inside the hobbing cutter, a driving wheel is connected to the position, located on the outer wall of the driving roller, inside the fixed box in a sleeving mode, a driven wheel is connected to the position, located at the bottom end of the driving wheel, inside the fixed box, the inner wall of the driven wheel is connected with a driven roller, and a groove is formed in the outer wall of the driven roller. According to the automatic slitting device, electric push rods, a supporting plate and a sliding groove are arranged, and when a cut pole piece bodymoves to the top end of the supporting plate at the top end of a collecting box, a PLC controller controls a switch to start the three sets of electric push rods, so that the three sets of electric push rods are contracted, the supporting plate is controlled to descend by a certain distance, the cut pole piece body is stored in the sliding groove, and the cut pole piece body is stored and arranged.

The invention belongs to the technical field of application of teaching apparatuses, and specifically discloses an optical experiment demonstration structure applied to physics teaching. The structureis formed by a bottom elevation adjustment assembly and a refraction demonstration assembly used in cooperation with the bottom elevation adjustment assembly. The beneficial effects of the optical experiment demonstration structure applied to physics teaching are that the design structure is reasonable, certain height adjustment can be performed through an inner spiral adjusting sleeve, an auxiliary outside thread adjusting column and a positioning screw rod during demonstration, if a requirement is not met, height adjustment is performed again through a first thread adjusting hole, a secondthread adjusting hole, a first elevation adjusting screw rod and a second elevation adjusting screw rod, stable limitation of the incident angle for a small electric torch of a light-emitting source can be performed through additionally provided components including an arc groove, first auxiliary internal thread positioning holes, a second auxiliary internal thread positioning hole and an auxiliary positioning screw rod, the unity of the demonstration incident angle is improved, high-efficiency teaching demonstration effect can be guaranteed, and the teaching quality is improved.

The invention discloses a coal cutter with high stability. The coal cutter comprises a base, wherein a moving part is arranged at the bottom of the base, the top of the base is provided with a cutterbody, and one side of the cutter body is provided with a first rocker arm; a right roller is arranged on one side of the first rocker arm, and a first reduction gearbox is arranged on the other side of the right roller; a first driving motor is arranged on one side of the first reduction gearbox, and a first cooling spraying device is arranged on the side, away from the first reduction gearbox, ofthe first driving motor; and a control box is arranged on the side, away from the first driving motor, of the cooling spraying device, and a hydraulic traction part is arranged at one side, away fromthe cooling spraying device, of the control box. The coal cutter has the beneficial effects that the coal cutter is reasonable in design and convenient to use; the stability of the cutter body of thecoal cutter is effectively improved, and therefore the service life of parts of the coal cutter is effectively prolonged, so that the production efficiency of the coal cutter is effectively improved.

The invention discloses a combined type net-woven geocell. A rotary shaft is fixed to the bottom surface of each square cell. Each shell comprises a cylindrical box and a fixed round pipe fixed to theperiphery of the cylindrical box, wherein a gear mounting frame is vertically fixed in each cylindrical box; a first bevel gear and a second bevel gear are arranged on the two inner bottom surfaces of the shell correspondingly, and a second round through hole is formed in the bottom surface of the first bevel gear; a third bevel gear is mounted on the gear mounting frame and engaged with the first bevel gear and the second bevel gear, and a lead screw is fixed to the bottom surface of the third bevel gear; and an inner threaded pipe is fixed in the fixed round pipe, and a supporting column isfixed to the periphery of the inner threaded pipe. The invention further discloses a geocell embedded pile. The geocell is fixed to one end of the embedded pile, a mounting base is laid on the groundin advance, the embedded pile is inserted into the mounting base, and a limiting plate moves towards the center in the insertion process so as to achieve a limiting function. The combined type net woven geocell is simple in structure and easy to operate, and the problem that traditional geocells cannot be fixed to the ground is solved.

The invention discloses a casting mold of an alloy imbedding casting, and relates to the technical field of casting molds. Connecting and fixing blocks are fixedly arranged on the middle sections of the two side faces of a first lower limiting frame and a second lower limiting frame correspondingly, fixing block threaded holes are formed in the surfaces of the connecting and fixing blocks on the second lower limiting frame, and the connecting and fixing blocks on the first lower limiting frame and one end of a lead screw are rotationally arranged; the other end of the lead screw penetrates through a fixing block threaded hole in each connecting fixing block and is fixedly connected with a side rotating knob, and through movable matching of the first lower limiting frame, the second lower limiting frame and an extending blocking plate, under the condition that a certain length can be changed, good sealing performance of a cavity in the lower casting mold limiting frame is guaranteed, and therefore, corresponding adjustment can be carried out according to the size of a mold core, and the problems that most frameworks are fixed frameworks and cannot be correspondingly changed according to different casting parts, so that the use cost of the frameworks is increased, and development of enterprises is not facilitated are solved.

The invention provides a mortise lock type optical fiber patch cord connector, and relates to the technical field of optical fiber patch cord connectors. The mortise lock type optical fiber patch cordconnector comprises a body and clamping devices, wherein the body is a connector, connecting pipes are welded to the two ends of the body, connecting wires are inserted into the connecting pipes, theclamping devices are arranged at the two ends of the body, the clamping device comprises a connecting plate, one end of the connecting plate is welded to the body, and the connecting plate is in a Ushape. According to the invention, by arranging the clamping devices and rotating the second clamping arm at one end of the first clamping arm, the second clamping arm rotates in the direction away from the first clamping arm, at the moment, the connecting wire is placed on the first clamping arm, and then is inserted into the connecting pipe, the second clamping arm is rotated, and one end of thesecond clamping arm enters the square groove of the first clamping arm, so that the problems that the optical fiber has no support, the optical fiber is bent, the glass fiber in the optical fiber isdamaged, and the optical fiber is damaged and cannot be used are solved.

The invention discloses a convenient-to-move food stirring machine, which comprises a machine head, wherein the left side of the bottom of the machine head is fixedly connected with a stirring device;the right side of the bottom of the machine head is fixedly connected with a food stirring machine support post; the bottom of the left side of the support post of the food stirring machine is fixedly connected with a fixing frame; the left side of the fixing frame is movably connected with a stirring barrel; the bottom of the support post of the food stirring machine is fixedly connected with abox body. Through the arrangement of a controller, a support frame, a first movable shaft, a pulley, a fixed plate, a sub support frame, a fixed disc, a connecting block, a first rotating shaft, a first main support frame, an air cylinder, a second movable shaft, a second main support frame, a second rotating shaft and a through groove which are mutually matched, the convenient-to-move effect is achieved; the problem of moving inconvenience of the existing food stirring machine is solved, so that the movement of the food stirring machine is more convenient and fast; the physical consumption ofa user is reduced; the practicability of the food stirring machine is improved; the convenient-to-move food stirring machine is suitable for being popularized and used.

The invention relates to a multifunctional device and method applicable to integration of collection, feeding and long-distance transport of frankliniella occidentalis. The device comprises a body, atop mesh cover, a bottom mesh plate and a base, the top mesh cover is fixedly connected to an opening of the upper bottom face of the body, the bottom mesh plate is fixedly connected to an opening ofthe lower bottom face of the body, and the base is connected with the opening of the lower bottom face. The body is a hollow prism, and every other lateral side of the prism is provided with a rectangular opening which is fixedly provided with a side wall mesh plate. The upper end of the top mesh cover is open, and the lower end of the top mesh cover is fixedly and hermetically connected with theopening of the upper bottom face. Problems of proneness to escaping, dying and the like of frankliniella occidentalis in a transport and feeding process are solved, and the death rate of frankliniellaoccidentalis is sharply decreased. In addition, a method for sucking frankliniella occidentalis in the device is provided, and suction efficiency is better improved.

The invention provides an elevator. The elevator comprises a transportation platform, a material frame and a fixing device. The transportation platform is movably arranged on a machine body of the elevator in the vertical direction. The material frame is movably arranged on the transportation platform in the transportation direction of the transportation platform, and when the transportation platform moves in the vertical direction, the material frame is driven by the transportation platform to ascend and descend. The fixing device is arranged on the lateral side of the transportation platformand is movably arranged in the vertical direction, and the fixing device is provided with a clamping assembly for clamping the material frame so that the material frame can be fixed to the transportation platform to be prevented from moving in the material frame lifting process, and accordingly the problem that in the elevating or descending process of a material frame on an elevator in the priorart, fixing cannot be achieved is solved.

The present invention belongs to the technical field of hand fixing devices and particularly relates to a hand fixing device based on a carbon fiber integrated plate in a radiotherapy process. The hand fixing device comprises a carbon fiber integrated plate main body, two first mounting grooves are arranged in left and right sides of an upper end surface of the carbon fiber integrated plate main body in a penetrating way, two second mounting grooves are arranged in the left and right sides of the upper end surface of the carbon fiber integrated plate main body in a penetrating way, the two second mounting grooves are respectively positioned in front of the two first mounting grooves, upper end surfaces of the two first mounting grooves and the two second mounting grooves are respectively provided with a fixing device main body, a plurality of clamping grooves distributed in a front-and-back parallel manner are arranged in upper end surfaces of the two fixing device main bodies in a penetrating way, two inserting columns matched with the clamping grooves are both arranged on the upper end surfaces of the two fixing device main bodies, and upper end surfaces of the two inserting columns are both fixedly connected with holding rods, so that a problem that hands of a patient cannot be fixed is solved and treatment accuracy of the patient is improved.

The invention discloses a novel lacrimal passage drainage tube. The novel lacrimal passage drainage tube includes a probe, a feeding tube sleeves the probe, the middle section part of the feeding tubeis of an open structure, the probe is inserted through the open structure part of the feeding tube, one end of the feeding tube is connected with a first implanting tube, one end of the first implanting tube is connected with a second implanting tube, the tail end of the second implanting tube is provided with a connecting short tube, and the connecting short tube is connected with a lacrimal point limit plug. According to the novel lacrimal passage drainage tube, the design of the lacrimal point plug is adopted to solve the problem that a single tube cannot be fixed in a lacrimal passage, and redundant damage and operation steps completed by double-tube operation are avoided; and the two-stage implanting tube design is adopted, one of the tubes is used for healing, the other one of the tubes is used for access, metal wires are no longer needed to be used for access, a nasal cavity is hooked without using tools, a lacrimal passage pipe can be expanded out spontaneously, and the operation difficulty of surgeries is lowered.

The invention discloses a screen cleaning device for production of tablet computers. The screen cleaning device comprises a base, wherein a protective shell is fixedly arranged in the middle of the top end of the base; a square limiting groove is formed in the middle of the top end of the protective shell, the inner wall of the square limiting groove is slidably connected with the middle of the outer wall of the T-shaped limiting rod, the bottom end of the T-shaped limiting rod is fixedly connected with the middle of the top end of a fixing plate, and the bottom end of the fixing plate is fixedly connected with a brush plate through a buffer spring. According to the screen cleaning device for production of the tablet computers, the limiting plate is fixedly arranged in the middle of the top end of a support, the limiting groove is formed in one side of the limiting plate, the U-shaped limiting rod is connected to the inner wall of the limiting groove in a penetrating mode, and a secondlimiting plate is hinged to one side of the U-shaped limiting rod; when a screen is conveyed on a conveying belt, the second limiting plate clamps the computer screen through a second limiting spring, the computer screen continues to be conveyed on the conveying belt, and the problem that the tablet computer screen cannot be completely cleaned or scratched and the screen cannot be fixed when cleaned by the cleaning device is solved.

The invention relates to the technical field of table lamps, and discloses a multifunctional education table lamp which comprises a base. A base front cover is installed on the top of the base, a base rear cover is installed on the back surface of the base front cover, and a lampshade lower cover is rotatably connected to the top of the base front cover and the top of the base rear cover through a metal rotating shaft. A lampshade upper cover fixing piece is installed on the top of the lampshade lower cover, and a lampshade upper cover is installed on the top of the lampshade upper cover fixing piece. The side light emitting technology is adopted, a light guide plate is omitted, a reflective film and a diffusion plate are reserved, and therefore cost is saved, hardware rotating shafts are used at the connecting positions of the lampshade lower cover, the base front cover and the base rear cover, and the problem that the angle of the lampshade lower cover cannot be fixed due to looseness of a traditional screw rod in the future use process is solved. A camera is arranged on the base front cover and forms a 45 degree included angle with the horizontal plane; and the textbook content can be identified for the functions of finger reading, turning reading and the like.

The invention discloses an animal irradiation experiment device which comprises a box body, wherein a box cover is arranged on the box body, and the box cover covers the box body to form a closed environment; an animal fixing plate is arranged on the upper surface of a bottom plate of the box body, and a plurality of animal fixing beds are arranged on the animal fixing plate in parallel; and the box body, the box cover and the animal fixing beds are all made of polymethyl methacrylate materials which are light-permeable and can resist high-pressure disinfection and sterilization, and a ventilation window is made of airtight and breathable nuclear track membrane materials. The disclosed animal irradiation experiment device can be used for sufficiently fixing and positioning an experimental animal and ensuring that an experiment is smoothly carried out; and a closed and clean environment needed in experimental animal transfer is guaranteed, and the experimental device materials are guaranteed to have small influence on ray attenuation and can tolerate repeated high-pressure disinfection and sterilization.

The invention provides a fabricated side top supporting device. The fabricated side top supporting device comprises a horizontal reverse top support and a horizontal forward top support, and a retractable longitudinal support for supporting is arranged between the horizontal reverse top support and the horizontal forward top support; the horizontal reverse top support is provided with a first leftfoot vertical rod, and a second left foot vertical rod is arranged at the left end of the horizontal forward top support; and the first left foot vertical rod is rotatably connected with a supportingplate, and a retractable diagonal bracing is arranged between the supporting plate and the longitudinal support. According to the fabricated side top supporting device, the problem that in the side top construction process of fabricated building, a prefabricated product part cannot be fixed is solved, the using purpose is wide, operation is easy, mechanism operation is reduced, the labor, construction and maintenance costs are saved, and the construction efficiency is improved.

The invention provides a glass can opening device, and relates to the field of cans. The glass can opening device comprises a bottom sleeve base, wherein pressing rods are rotationally connected to the two ends of the bottom sleeve base, inner grooves of the bottom sleeve base are connected with jacking springs in a sleeving manner, the upper ends of the jacking springs are connected with extension clamping blocks, the extension clamping blocks are connected with the bottom sleeve base in a sliding mode, the upper end of the bottom sleeve base is fixedly connected with guide columns which areconnected with the extension clamping blocks in a sliding mode, the outer surface of each guide column is connected with an extension spring in a sleeved mode, the extension springs are connected withthe extension clamping blocks in a sliding mode, and height fixing plates are fixedly connected to the upper end of the bottom sleeve base and connected with the extension springs in a sliding mode.According to the glass can opening device, the extension springs are gradually compressed through the extension clamping blocks, so that a positioning ring slowly descends to get close to a bottle body, clamping plates are tensioned through clamping springs to be clamped and connected onto the surfaces of ratchet columns, and then the positioning ring is directly locked after descending and prevented from rebounding after clamping; and in this way, the problem that a glass can body cannot be fixed is solved, and the effect of fixing the glass bottle body is achieved.

The lamp display sealing waterproof structure comprises an LED display lamp, a light guide lampshade and a shell, the light guide lampshade is composed of a sealing ring groove rubber ring and a light guide column arranged in the sealing ring groove rubber ring, a through hole is formed in the groove bottom of the sealing ring groove rubber ring, and the light guide column is arranged in the sealing ring groove rubber ring. A through hole is formed in the shell, an open hole is formed in the position, corresponding to the through hole, of the shell, the light guide column is composed of a limiting light guide column body and a supporting ring wall fixedly installed on the top of the limiting light guide column body, the LED display lamp is arranged in a ring of the supporting ring wall, and the limiting light guide column body penetrates through the through hole and then is arranged in the open hole. The utility model has the beneficial effects that the problem that the light guide column cannot be fixed is solved, the gluing action around the light guide column is reduced, the assembly process is simple, the scheme is reliable, the light guide column and the sealing ring groove rubber ring are integrated, secondary gluing is not needed, the assembly operation is simple, and the production efficiency is high.

The invention provides an iron roughneck used for petroleum well workover, and relates to auxiliary equipment in petroleum well workover. The iron roughneck used for the petroleum well workover comprises a hydraulic tong assembly, a swingable swing delivery assembly and a clamping mechanism for supporting the swing delivery assembly, the clamping mechanism is provided with a clamping body, the clamping body is a Y-shaped plate and comprises two fixing ends and an installing end, the upper surfaces of the fixing ends are provide with upward convex positioning columns, the upper surface of the middle part of the clamping body is further provided with a locking device for locking the clamping body to the wellhead flange, a swing delivery assembly is installed on the installing end, and the hydraulic tong assembly is arranged on the swing delivery assembly. The invention aims to provide the iron roughneck used for the petroleum well workover. The iron roughneck used for the petroleum well workover can be integrally clamped on the wellhead flange, and the iron roughneck can be further applied to well workover jobs of a well-drilling-free platform.

The invention provides a stator structure and a motor. The stator structure comprises a stator framework, a terminal and an enameled wire, and the terminal is arranged on the stator framework; the terminal comprises a wiring structure; the wiring structure is provided with a V-shaped clamping cavity, and at least one side wall in the clamping cavity is provided with a peeling structure formed by a plurality of protrusions. And the enameled wire is pressed in the clamping cavity so as to be conducted with the terminal. According to the invention, the enamelled leather of the wiring can be punctured in the crimping wiring process of the stator structure, so that the enamelled leather is removed while assembly is realized, the problem of removing the surface enamelled leather when the enamelled wire crimps the terminal is solved, and the assembly efficiency of the stator structure wiring is improved.

The invention discloses a backrest chair. The backrest chair comprises a base, a backrest and an angle fixing device arranged in the base, wherein the angle fixing device comprises a handle, a pull wire box, a pull wire, an angle spring, a lower elastic block, an upper elastic block, a buckling block and a buckling block fixing plate. The technical scheme provided by the invention has the advantage of high user experience.