65results about How to "Achieving Elastic Connections" patented technology

According to the invention, random wire pins are used as contacts. A group of random wire pin and accessories are arranged on an insulation mounting plate to form a fuzz button inter-board electric connector. The fuzz button inter-board electric connector is in face contact with printed circuit boards. The insertion force is zero. The fuzz button inter-board connector is arranged between upper and lower printed circuit boards, and the printed circuit boards are vertically connected. By superimposing metal pins, pads of the printed circuit boards and wires are in connection without solder pressure and insertion force. The application range of the fuzz button inter-board electric connector is extended. The fuzz button inter-board electric connector can realize a variety of flexible and reliable interconnection solutions, can be used to connect almost all metal surfaces and metal surfaces and wires, can realize flat and compact internal interconnection of the printed circuit boards, can meet extreme environmental conditions of high reliability, high-speed signal, small space and high density, and is an ideal interconnection solution.

The invention discloses a high-speed vacuum DC current-limiting circuit breaker, comprising a high-speed vacuum contact mechanism for quickly opening when receiving an external command, and a reverse current generating circuit for producing a current zero-crossing point in a vacuum interrupter , a freewheeling circuit used to obtain zero voltage recovery time after the current of the vacuum interrupter crosses zero, and an energy absorption circuit used to absorb circuit energy, the high-speed vacuum contact mechanism, reverse current generation circuit, freewheeling circuit connected in parallel with the energy absorption circuit. The invention has the advantages of strong current limiting ability, rapid action, reliable shutdown and the like.

The invention discloses a medium-and-low-speed pulling-over mechanism, and belongs to the technical field of automatic production equipment. The medium-and-low-speed pulling-over mechanism comprises a bottom plate. A first sliding seat driven by a first power device is installed on the bottom plate in a front-and-back sliding mode, a second sliding seat driven by a second power device is installed on the first sliding seat in a left-and-right sliding mode, and a pusher dog for pulling over products is fixed to the front side of the second sliding seat. The second power device comprises a second elastic element arranged on the second sliding seat and used for resetting operation, a pushing plate fixedly arranged on the rear side of the second sliding seat, a fixing plate rotationally installed on the bottom plate and provided with a pushing column and a rollback mechanism for preventing the pusher dog from scratching the products, the rollback mechanism comprises a limiting column elastically installed on the bottom plate in the front-and-back direction, a front-and-back channel arranged on the pushing plate, a front left-and-right channel and a rear left-and-right channel, wherein the front left-and-right channel and the rear left-and-right channel are communicated with the front-and-back channel, and the width of the front-and-back channel is larger than the diameter of the limiting column. The medium-and-low-speed pulling-over mechanism is simple in structure and low in cost, and the products are not prone to be scratched.

The invention relates to a fuzz button interboard radio frequency connector. The fuzz button interboard radio frequency connector utilizes intertwined-wire insertion pins as contact elements; at least one group of intertwined-wire insertion pins which are arranged in the coaxial mode are arranged on an insulation installing plate; each group of intertwined-wire insertion pins in the coaxial mode can complete transmission of one path of radiofrequency signals; and a plurality of groups of intertwined-wire insertion pins can transmit multi-path of radiofrequency signals at the same time. The fuzz button interboard radio frequency connector can be used for connecting any metal surface (pad) to a pad, especially vertical connection of the radio frequency signals between a board and a board, and can be an ideal interconnection solution scheme, and can work under the working conditions, such as high reliability, high speed signal, small space, high density and extreme environment.

The invention provides a mobile terminal and an earphone seat thereof. The earphone seat comprises a body and a first terminal, wherein the body is provided with an inserting hole used for inserting the earphone; the first terminal is arranged at the opening of the inserting hole; a contact end, used for being in contact with the earphone, of the first terminal protrudes toward the body in the opening direction of the inserting hole; the contact end and the body are oppositely arranged. According to the embodiment, the technical problems in the prior art that the cost of the production material is high, the development trends are not met, and the requirements of users are hard to meet, are effectively solved, the cost can be effectively reduced, user requirements can be met, and the development trends of lightening and thinning of the mobile terminal are facilitated.

The invention discloses an electrical power steering drive assembly. The electrical power steering drive assembly is characterized by comprises a frame, a handle, a handle shaft, a rotating shaft lock plate, an angle sensor, a control module, a vibration avoidance support, a running drive motor, a steering drive motor, a reduction gearbox and a drive wheel. The vibration avoidance support comprises an upper support, a lower support, a drive base, slide rods, damping springs, an adjustment drive cylinder, an upper spring seat, an adjustment spring and a lower spring seat. An elastic adjustment structure formed by the adjustment drive cylinder, the upper spring seat, the adjustment spring and the lower spring seat on the vibration avoidance support can provide auxiliary elastic support for the damping spring, the distance between the adjustment spring and the drive base can be adjusted by driving the adjustment drive cylinder to operate, and accordingly adjustment of damping intensity can be realized, different damping requirements can be met while damping effects are guaranteed, and a driving system can operate more stably.

The invention provides a plasma sealing structure for a discharge chamber of an annular magnetic steel ring cutting field ion thruster. The plasma sealing structure comprises a ceramic ring, a shielding cover and a Z-shaped sealing ring; peripheral equipment comprises a grid assembly, an anode, an insulation supporting assembly and a supporting ring of the ion thruster, and the anode is of a stepped cylinder structure and comprises a large-diameter cylinder and a small-diameter cylinder; the shielding cover is installed on the outer wall of the upper end of the small-diameter cylinder of the anode, the ceramic ring is located below the shielding cover and fixed to the end face between the large-diameter cylinder and the small-diameter cylinder of the anode, and the shielding cover shieldspart of the end face of the ceramic ring and the inner wall face of the ceramic ring to realize shielding and realize electric insulation between the anode and the grid assembly; and the horizontal end face of one side of the Z-shaped sealing ring is fixed to the bottom face of the grid assembly, and the horizontal end face of the other side is compressed at the top end of the ceramic ring to complete plasma sealing of the discharge chamber. The problems of electric insulation between the grid assembly and the anode of the ion thruster in a long-term plasma environment and plasma sealing of the discharge chamber are solved.

The invention provides a robot drive wheel system which comprises a drive wheel, a suspension body, a power device, a spring fixing support and springs. The drive wheel and the power device are fixedto the suspension body. The drive wheel is driven by the power device through a transmission shaft to rotate. The transmission shaft is connected to the suspension body through a bearing. Guide railsare formed in the sides of the suspension body and connected with opened linear bearings in a coupled mode. One end of each spring is connected with the suspension body, and the other end of each spring is connected with the spring fixing support. The spring fixing support and the opened linear bearings are all used for being connected with a robot body. The technical problem that a drive wheel issuspended due to the uneven ground in the robot walking process, and thus a robot cannot normally walk in the prior art is solved.

The invention discloses a quick lock connector, which comprises a socket and a plug, wherein two sides of the socket are provided with jacks; the plug is composed of a leaf spring, a wire clamp, an unlocking member, an insulator assembly, a housing and a cover plate, wherein the insulator assembly is arranged in the housing, the unlocking member is arranged at two sides of the housing, the unlocking member together with the leaf spring are arranged in two sides of the housing, the wire clamp is arranged on a wire clamp seat of the housing, and the cover plate is buckled on the housing in a screw connection manner. According to the invention, the insulator assembly, the clamp hook and the unlocking member are assembled in the housing to constitute the plug which is in clamped connection with a lock hole through a lock hook of the clamp hook inside the housing to realize the elastic connection between the plug and the socket, and the advantages of reliability in locking, convenience for unlocking, concealed design of a locking member, and attractive appearance.

The invention discloses a skin anastomat with a nail dismounting function, and the skin anastomat comprises a fixed handle, a nail pressing plate, a movable handle and a nail dismounting structure; a nail outlet is formed in the left end of the fixed handle, a first sliding groove is formed in the left side wall of the upper portion of the fixed handle, and a stirring opening is formed in the surface of the front end of the fixed handle; the movable handle is rotationally connected with the fixed handle through a second rotating shaft, the left end of the movable handle is located in the fixed handle, and the nail removing structure is installed on the left side of the exterior of the fixed handle. According to the skin anastomat with the nail removing function, the nail removing structure is arranged, when a nail needs to be removed, the pulling block is pulled outwards, so the clamping block does not limit the positioning sliding block any more; at the moment, the lower handle and the upper handle slide towards the lower left portion in the third sliding groove, the nail removing head and the nail pressing head slide out of the nail removing sliding base, and then the nail pressing head is aligned with the top of a titanium nail; the two nail dismounting heads extend into the bent positions of the titanium nails respectively, and the lower handle and the upper handle are extruded to complete the nail dismounting process.

The invention discloses a power-assisted steering driving device comprising a shock-proof support, a running driving motor, a steering driving motor, a reduction box and a driving wheel. The shock-proof support comprises an upper bracket, a lower bracket, a driving base, two slide bars, damping springs, an adjusting and driving oil cylinder, an upper spring seat, an adjusting spring and a lower spring seat. The upper bracket and the lower bracket are fixed on a frame, the two slide bars mounted vertically are arranged on the upper bracket symmetrically, and both the upper end and the lower end of each slide bar are sleeved with guide rings. By an elastic adjusting structure composed of the adjusting and driving oil cylinder, the upper spring seat, the adjusting spring and the lower spring seat on the shock-proof support, auxiliary flexible support can be provided for the damping springs, the distance from the adjusting spring and a driving base can be adjusted by driving the adjusting and driving oil cylinder to work, and accordingly shockproof intensity is adjusted; shockproof effect is guaranteed, different shockproof requirements can be met, and accordingly a driving system can work more stably.

The invention discloses an eccentric primary suspension and rotating arm locating structure of a suspension type monorail vehicle bogie. The structure comprises a gear case body. The gear case body isprovided with an axle. A rotating arm and a primary rubber spring are arranged in the positions, located on the two sides of the axle, of the gear case body. The rotating arm is connected through a rotating arm hole in a lug on the gear case body. The primary rubber spring is connected through a spring installation seat on the gear case body. The primary rubber spring and the rotating arm are symmetrically arranged at the two ends of a gear case, so that the primary rubber spring deviates from the center line of the axle, the primary rubber spring and the rotating arm jointly bear a verticalload, an eccentric primary suspension is formed, two rubber shaft sleeves are symmetrically arranged on the left side and the right side of the gear case body, longitudinal and transverse elastic connection with a framework is achieved, the problem that an independent axle case body cannot be arranged on a suspension type monorail vehicle, so that the primary suspension is difficult to design is solved, the requirement of the bogie for the large primary deflection can be met as well, and the contradiction between the limited space size and the required large primary deflection is overcome.

The invention relates to a compacting die for a refractory brick and belongs to the field of compacting dies. The compacting die solves the problem that annular protruding ribs of the refractory brick are not high enough. The compacting die comprises a punch and a die holder component, wherein a forming groove matched with the punch is formed in the die holder component, the die holder component comprises a forming die, reset springs, bolts and a fixed base, the forming die is connected with the fixed base through the bolts and can move in the axial direction along the bolts, a material taking part capable of moving in the axial direction along the punch is arranged on the punch, positioning holes are formed in the material taking part, positioning protrusions can be inserted into the positioning holes so that the material taking part can be fastened to the bottom wall of the forming groove, a punch block matched with a limiting hole is arranged on the fixed base and is provided with a punch portion, and the distance between a first limiting block and a second limiting block is smaller than or equal to the height of the punch portion.

The invention provides a panel assembly and a clothes processing apparatus. The clothes processing apparatus comprises a shell with an opening. The panel assembly for the clothes processing apparatuscomprises a control panel main body which is arranged at the opening and connected with the shell in a rotating manner; the control panel main body comprises a operation panel with a control part andat least one blank panel, and the control panel main body is configured as that when the control panel main body rotates to a first position, the blank panel faces the shell, and the operation panel is concealed inside the opening. By virtue of the technical scheme of the invention, the operation panel with the control part is concealed inside the opening, so that the situation that the operationstate change such as the accidental opening or closing of the clothes processing apparatus due to the error operation of the user can be avoided.

The invention discloses a damping and leveling assembly structure and a mounting method thereof. The damping and leveling assembly structure specifically comprises a supporting base used for supporting a keel structure and a leveling stud used for adjusting the height of a keel, wherein a circular through hole is formed in the middle of the supporting base in a penetrating mode, and the leveling stud can be inserted into the through hole in a penetrating mode to form a stable structure; a set of inclined first one-way clamping teeth are arranged on the inner wall of the through hole, and a set of second one-way clamping teeth matched with the first one-way clamping teeth are arranged on the outer side wall of the leveling stud; and the end, back on to an inner hexagonal hole, of the leveling stud is aligned with the end, close to a stop boss, of the through hole to be pressed in, and thus the first one-way clamping teeth and the second one-way clamping teeth can be clamped and fixed. The damping and leveling assembly structure is composed of the supporting base and the leveling stud which are both manufactured through an injection molding machining forming process, the structure is simple, operation is convenient and fast, mounting is firm, and dismounting is convenient.

The invention discloses a damping type elastic rubber hammer, and relates to the technical field of rubber products. The back end of a hammer handle is connected with a rubber block through a positioning pin, a connecting elastic rod is installed at the front end of the hammer handle, a hammer head is connected to the front end of the connecting elastic rod, a decompression groove is formed in theinner upper end of the hammer head, a guide sleeve is arranged in the hammer head, a guide rod penetrates the interior of the guide sleeve in a connected manner, a lower hammer block is installed atthe lower end of the guide rod, buffer springs are connected to the lower side and the upper side of the guide rod in a sleeving manner, and a limiting plate is installed at the upper end of the guiderod. By means of the damping type elastic rubber hammer, elastic connection can be achieved, damping and buffering can be achieved, meanwhile, guide type damping is achieved during damping, and the damping type elastic rubber hammer is convenient to use and easy and convenient to operate.

The invention discloses a pair of glasses with foldable glasses legs. The pair of glasses comprises two lens bodies, two glasses legs and an elastic middle beam mechanism for connecting the two lens bodies, wherein the elastic middle beam mechanism can be folded; the elastic middle beam mechanism is close to outer surfaces of the two lens bodies under a folded state; each glasses leg comprises a leg root and a leg tail; the leg roots and the leg tails can be folded oppositely; at an unfolded state, the e leg roots and the leg tails can have radians matched with ear back parts of a human body; at a folded state, the leg tails are folded toward the direction toward the inner parts of the radians of the whole glasses legs, and the leg tails cover the inner surfaces of the lens bodies. Meanwhile, glasses cloth can also be arranged on the glasses legs so that the glasses cloth is convenient to carry and use.

The invention discloses a bus bar for supporting high-power application of a battery pack. The bus bar comprises a plurality of conductive sheets, wherein a pair of wiring terminals is arranged on each conductive sheet; each pair of wiring terminals is arranged in the length direction of the corresponding conductive sheet; a section, positioned between each pair of wiring terminals, of the corresponding conductive sheet has an arc-shaped bump structure; each arc-shaped bump structure is arranged in the width direction of the corresponding conductive sheet; a connecting block is arranged between every two adjacent conductive sheets and also has an arc-shaped bump structure; two arc-shaped end parts of each connecting block with the arc-shaped bump structure are connected with the arc-shaped bump structures of the adjacent conductive sheets respectively; each connecting block is connected with the arc-shaped bump structures of the corresponding conductive sheets to form an integrated arc-shaped bump structure. The wiring terminals are connected with poles of a battery, and all the poles can be elastically connected through the arc-shaped bump structures on the conductive sheets and the connecting blocks with the arc-shaped bump structures; meanwhile, the current sharing effect can be achieved by the connecting blocks.

A valve of double stage non ¿C return unit with synchronous seal regulation unit is prepared as forming seal regulation unit by regulation nut, spring, screw bush and link lever; setting regulation nut and spring in valve clack of the first stage non ¿C return unit and setting said non ¿C return unit at inlet section of valve; setting the second stage non ¿C return unit at outlet section of valve and connecting valve clacks of the first and the second stage non ¿C return unit to each other by link lever; utilizing regulation nut and spring of regulation unit to set prefastening force of valve clack.

The invention discloses a buffer device of a belt conveyor carrier roller. The buffer device comprises a plurality of carrier roller bodies, a carrier roller shaft, bearing pedestals, a bearing, a sealing layer, an oil sealing device, two support frames and buffer device bodies, wherein the two support frames are arranged on the left and right parts; the carrier roller bodies are connected betweenthe two support frames; the bearing pedestals are arranged on the two sides of the carrier roller bodies; the bearing, the sealing layer and the oil sealing device are mounted in the bearing pedestals; the sealing layer wraps and covers the bearing and the oil sealing device; the carrier roller shaft penetrates through the middle of each of the carrier roller bodies and is connected with the bearing pedestals; the buffer device bodies are mounted at the two ends of the carrier roller shaft; each of the buffer device bodies comprises a sliding stop dog, a spring piece and a buckle piece; the sliding stop dog is connected with one end of the carrier roller shaft; and the spring piece is connected with the sliding stop dog and the buckle piece. The buffer device has the benefit of effectively buffering downward impact force received by the belt to prevent the belt from inclining.

The invention discloses a projection lamp with automatic reciprocating capability for a stage. The lower end of a driving shaft is fixedly connected with a semi-cone gear which has teeth on one half and has no teeth on the other half, and bevel gears are arranged on two sides of the semi-cone gear respectively and fixedly connected to the left side of a threaded rod; a ferrule is in threaded connection to the threaded rod, the upper part of the ferrule is rotationally connected with the lower end of a connecting rod, the upper end of the connecting rod is rotationally connected with the lowerpart of a lamp body, two sides of the lower end of a cage are fixedly connected with movable rods respectively, the lower parts of the movable rods are sleeved with sleeve seats, the movable rods arefurther sleeved with damping springs, the upper ends of the damping springs are in butt joint with the lower surface of the cage, and the lower ends of the damping springs are in butt joint with the sleeve seats. The toothed part of the semi-cone gear is meshed with the bevel gears back and forth to drive the threaded rod to rotate back and forth forwards and reversely, the threaded rod drives theferrule to drive the connecting rod to drive the lamp body to reciprocate around the upper end of a support rod, and elastic connection between the cage and a bottom plate is realized by the movablerods and the sleeve seats connected by the damping springs.

The invention discloses a wire harness collecting device, which comprises a device base, a wire harness transport mechanism, a wire harness collection box assembly, a vibration motor and a chute assembly, the device base is provided with a controller, and the wire harness transport mechanism is fixedly connected to the device base , the wire harness collection box assembly is fixedly connected to the device seat, the chute assembly is fixedly connected to the device seat, and the vibration motor is fixedly connected to the wire harness collection box assembly. The device is simple and reasonable, can collect wire harnesses, and reduces workers' labor Labor intensity, improve work efficiency.

The invention provides a fuel cell voltage inspection device, and relates to the technical field of fuel cells. The fuel cell voltage inspection device comprises a mounting bracket and a plurality of inspection mechanisms arranged at the bottom of the mounting bracket; the inspection mechanism comprises a PCB, a mounting base and a W-shaped elastic sheet; a plurality of mounting sliding grooves are formed in the bottom of the mounting base; correspondingly, a plurality of avoiding holes are formed in the top of the mounting base; the receding holes communicate with the mounting sliding grooves correspondingly. The PCB is arranged at the top of the mounting base; a plurality of copper sheets are arranged on the lower surface of the PCB; a first connecting part is arranged in the middle of the W-shaped elastic sheet, and second connecting parts are respectively arranged at two ends; the W-shaped elastic sheet is clamped in the mounting sliding groove and the avoiding hole, so that the first connecting part and the second connecting part are respectively propped against the copper sheet and a single battery in the electric pile, and further, the copper sheet is electrically connected with the single battery. According to the invention, the fuel cell voltage inspection device is good in reliability and easy to maintain.

The invention discloses an integrated magnetic attraction direct-charging tail press. The integrated magnetic attraction direct-charging tail press comprises a switch, a PCB, a silica gel cover, a switch press ring, a positive pole assembly and a negative pole assembly. The positive pole assembly comprises a tail cover, a positive pole connecting piece, a positive pole spring, a positive pole paster and a positive terminal. The negative pole assembly comprises a negative pole connecting piece, a negative pole spring, a negative pole paster and a negative terminal. The negative terminal is fixed into the silica gel cover and extends out of the cover face of the silica gel cover. The PCB is fixed into the silica gel cover and the upper surface of the PCB is electrically connected with the negative terminal. The positive terminal is electrically connected with the center of the PCB and extends out of the cover face of the silica gel cover. The negative pole paster and the positive pole paster are fixedly arranged on the lower surface of the PCB. The negative pole connecting piece, the negative pole spring, the negative pole paster and the negative terminal form a negative path. The tail cover, the positive pole connecting piece, the positive pole spring, the positive pole spring, the positive pole paster and the positive terminal form a positive path. The switch is connected intothe positive path and the negative path in parallel. The integrated magnetic attraction direct-charging tail press has the beneficial effects that the zero stand-by power consumption is achieved, andelastic connection in the switch stroke can be achieved while the water-proof function of the silica gel cover is achieved.

The invention provides a strengthening device of a tree. The strengthening device of the tree comprises a main fixing plate (1) with the lower end which is the sharp end and an auxiliary fixing plate (2); the auxiliary fixing plate (2) is provided with a hinge support hole (3); two L-shaped bending plates (4) are arranged on the left side and the right side of the auxiliary fixing plate (2) respectively; each L-shaped bending plate (4) comprises a first plate (4-1) and a second plate (4-2); the left end and the right end of a hinge support shaft which penetrates the hinge support hole (3) are connected with the L-shaped bending plates (4) respectively; the strengthening device of the tree also comprises two elastic pressing pieces (6) which are used for pressing the second plates (4-2). In the ground embedded process of the fixing plates, the L-shaped bending plates are always closely attached to the fixing plates under the constraint of the elastic pressing pieces and the resistance is small and a rope is pulled outward to enable the second plates to be separated from the constraint of the elastic pressing pieces, the L-shaped bending plates upturn around the hinge support shaft, the second plates and the fixing plates are in the basic perpendicular state, the pulled-out resistance of the portion below ground under the state is large, and accordingly the machining effect on a trunk is good and the firmness is good.

The invention provides an ECG monitoring electrode and a signal collecting garment. The ECG monitoring electrode comprises a circuit board and conductive rubber formed on the circuit board in a thermoplastic mode. A plurality of first through holes for positioning and installing the conductive rubber are formed in the circuit board. The two ends of each piece of conductive rubber protrude out of the corresponding first through holes. By forming the conductive rubber on the circuit board in the thermoplastic mode, the elastic connection of a non-mechanical structure of the conductive rubber andthe circuit board is realized, and the shock resistance of the ECG monitoring electrode is improved. By positioning and installing the conductive rubber in the first through holes of the circuit board, the conductive rubber can be better fixed, and signal collection stability can still be kept after the ECG monitoring electrode is repeatedly used.

The invention provides a fuel injector supporting ring capable of effectively reducing the work noise of a gasoline direct injection engine. The fuel injector supporting ring comprises an upper check ring (1-1), an elastic connecting part (1-2) and a lower check ring (1-3), wherein the upper check ring (1-1), the elastic connecting part (1-2) and the lower check ring (1-3) are coaxial. The upper check ring (1-1), the lower check ring (1-3) and the middle elastic connecting part (1-2) are welded together, and the elastic connecting part is of a hollow cylinder structure; the upper check ring (1-1) is used for being connected with a fuel injector body (3), and the lower check ring (1-3) is used for being connected with an engine cylinder. Under the condition that the structural strength of the fuel injector supporting ring is met, the structure of the fuel injector supporting ring is innovatively designed and optimized, and the elastic connecting part (1-2) is skillfully utilized to make the upper check ring (1-1) and the lower check ring (1-3) elastically connected together. When the engine runs, the fuel injector supporting ring of the structure can effectively damp the vibration transmission of a high-pressure fuel system to the engine body, and the noise level of the complete machine is improved.

The invention provides a plasma sealing structure for a discharge chamber of an annular magnetic steel ring cutting field ion thruster. The plasma sealing structure comprises a ceramic ring, a shielding cover and a Z-shaped sealing ring; peripheral equipment comprises a grid assembly, an anode, an insulation supporting assembly and a supporting ring of the ion thruster, and the anode is of a stepped cylinder structure and comprises a large-diameter cylinder and a small-diameter cylinder; the shielding cover is installed on the outer wall of the upper end of the small-diameter cylinder of the anode, the ceramic ring is located below the shielding cover and fixed to the end face between the large-diameter cylinder and the small-diameter cylinder of the anode, and the shielding cover shieldspart of the end face of the ceramic ring and the inner wall face of the ceramic ring to realize shielding and realize electric insulation between the anode and the grid assembly; and the horizontal end face of one side of the Z-shaped sealing ring is fixed to the bottom face of the grid assembly, and the horizontal end face of the other side is compressed at the top end of the ceramic ring to complete plasma sealing of the discharge chamber. The problems of electric insulation between the grid assembly and the anode of the ion thruster in a long-term plasma environment and plasma sealing of the discharge chamber are solved.

The invention discloses a novel elastic coupler. Spiral elastic bodies and fixed connection mechanisms are evenly arranged in the circumferential direction of a drive hub body; the spiral elastic bodies are of a spiral structure formed by winding multiple strands of stainless steel stranded wires in a symmetrical mode at equal pitches; the fixed connection mechanisms are single stainless steel wires and wind the spiral elastic bodies; a flange plate and an anti-torsion base plate are arranged at the end of the drive hub body; the anti-torsion base plate is fixed between the flange plate and the drive hub body; through holes are formed in the middle of the flange plate and the middle of the anti-torsion base plate; the axes of the flange plate and the anti-torsion base plate coincide with the axis of the drive hub body; the diameter of the through hole in the middle of the anti-torsion base plate is smaller than that of the through hole of the flange plate and the middle of the drive hub body; a conical circular truncated cone is arranged at the end of a driven hub body; a circular hole is formed in the middle of the conical circular truncated cone; a cross through groove is formed in the circumferential wall of the conical circular truncated cone. The novel elastic coupler can automatically compensate for the position offset of a shaft system under the installation and operation conditions, can improve the stability of system operation, and is easy to assemble and convenient to operate.