35results about How to "Easy to operate and practical" patented technology

The invention belongs to the field of electrolytic-process deposited metal materials, and relates to a preparation method of an iron-nickel-cobalt-molybdenum alloy foil by electrodeposition. The invention is characterized by adopting an electrodeposition process; the electrolyte is an acidic sulfate-chloride-sodium molybdate water solution system, a buffering agent, a complexing agent, a brightener and assistants are simultaneously added, and carbon and a titanium plate are respectively used as anode and cathode materials; and the technological parameters of electrodeposition are as follows: the temperature is 50-70 DEG C, the pH value is 3.0-4.5, the current density is 1.0-10.0 A/dm<2>, the interval between the anode and cathode is 2-3 cm, and the electrodeposition time is 60 minutes. The preparation method comprises the following steps: putting the anode and cathode in the electrolyte, passing a direct current for some time to deposit the iron-nickel-cobalt-molybdenum alloy on the cathode, taking out the cathode plate, cleaning, drying, and stripping the iron-nickel-cobalt-molybdenum alloy layer formed on the surface, thereby obtaining the iron-nickel-cobalt-molybdenum alloy foil. The alloy foil has the advantages of controllable composition, uniform thickness and bright surface, and can not easily break up or distort in shape. Compared with the calendering method, the invention has the advantages of low cost and higher physicochemical properties.

The invention provides a peeling method for fresh lotus roots, which applies either sodium carbonate of the edible alkali or a mixture of sodium carbonate and potassium carbonate in the food additives as a peeling reagent for the fresh lotus roots. The peeling method for fresh lotus roots adopts the technical proposal that: peeling solutions are prepared, with a concentration between 1.5 and 4.0 percents and a temperature less than 70 DEG centigrade through sodium carbonate or the mixture of sodium carbonate and potassium carbonate first; the mature and fresh lotus roots are soaked into the solution after removing shells thereof; the temperature of the solutions is controlled between 45 and 60 DEG centigrade after the mature and fresh lotus roots are put into the solutions; a 5 to 10-minute treatment is conducted under the condition of oxygen isolation and heat insulation in the temperature between 45 and 60, and stirrings are carried out every two minutes; the fresh lotus roots are immediately fetched after the soaking treatment; the skins of the lotus roots are manually rubbed out via flowing water, with a peeling rate between 80 and 100 percents. The peeling method for fresh lotus roots has the advantages of solving the problems of low productivity in the existing peeling method for fresh lotus roots, safety and high efficiency, convenience and practicality, high speed, and low cost, and is suitable for large-scale productions.

The invention discloses an upper incoming line electricity checking and grounding handcart. The upper incoming line electricity checking and grounding handcart comprises a chassis, a roller below the chassis, a support and a panel on the chassis, an electricity checking contact arm and a high-voltage sensor fixed on the support, a live display on the panel, and a grounding interlock mechanism arranged on the support. The handcart has the integrated function of electricity checking and grounding function, and is practical and convenient in operation. The three-phase live display is mounted on the panel of the handcart to facilitate the direct observation of live or non-live state. The grounding interlock is arranged between a grounding switch and the roller of the handcart, and the roller is locked when the grounding switch is in the close position, so that the handcart can not be pushed into a switch cabinet, thereby meeting the requirement for mechanical five preventions. The handcart provided by the invention is suitable for electricity checking and grounding of the upper incoming line terminal of the switch cabinet.

The invention provides a gauge of an internal conical face depth, which comprises a body, a spring, a gauge testing rod and a dial indicator, wherein a round through hole is disposed in the upper part of the body, and storage space communicated with the round through hole is disposed in the lower part; the upper part of the gauge testing rod is placed in the round through hole and connected on the body, and can be moved up and down in the round through hole, and the lower part of the gauge testing rod is a conical structure coordinated with an internal conical hole of a to-be-tested work piece and can be placed in the storage space; the spring is sleeved on the gauge testing rod which is located between the body and the conical structure; and the dial indicator is placed in the round through hole, and a measuring head of the dial indicator is contacted with an upper end face of the gauge testing rod. The gauge of the internal conical face depth provided by the invention is beneficial in that the gauge is convenient and practical in operations, saves time and increases efficiency.

The invention provides a rotary clamping manipulator based on automatic module control. The rotary clamping manipulator based on automatic module control comprises a main swing arm, a top cover, a servo motor A, a rack belt, a servo motor B, a connecting shaft, an auxiliary device, a clamping block, a transmission cylinder, a tension screw rod, a transmission rod, an underframe, a mechanical finger, a self-adjusting finger plate, an auxiliary guide ring and a counterweight block, wherein the top of the main swing arm is provided with a T-shaped groove; the top cover is fixedly arranged in theT-shaped groove through a bolt; a through hole is formed in the end portion of the main swing arm, and hole shoulder structures are arranged in both sides of the main swing arm; and tapered roller bearings are fixedly arranged on the outer sides of hole shoulders in interference fit mode. Due to the arrangement of a rack ring, the servo motor A can be matched for axial movement, the transmission of the rack belt is matched for controlling the rotating position of the rotating arm, the rotation of the mechanical arm is completed, the structure is simple and convenient, the servo motors can be accurately controlled through a module, the rotating precision is high, the force control is uniform, and accurate placement of parts by the manipulator is facilitated.

The invention discloses an intelligent washing machine based on the Internet of Things and a working method of the intelligent washing machine. The intelligent washing machine is composed of a washing machine remote monitoring terminal and a washing machine intelligent monitor, wherein the washing machine remote monitoring terminal comprises a wireless repeater and an individual mobile monitoring terminal, and the washing machine intelligent monitor comprises a Zigbee wireless communication module, a digital signal processor, a power source, a washing machine state information sensor and a washing machine body. The intelligent washing machine based on the Internet of Things and the working method of the intelligent washing machine have the advantages of being simple in design, high in efficiency, capable of saving time, labor and effort, user-friendly and the like, the problem that at present, a user needs to conduct operation at the position of the washing machine every time the washing machine is turned on/turned off, the washing machine can be remotely monitored at any time and at any where to conduct automatic unmanned intelligent washing, operation is convenient, fast and practical, and the situation that clothes are left in the washing machine for a long time after being washed is not likely to happen.

The invention discloses an electric inspection grounding handcart for a main busbar and a feeder branch. The high-voltage sensor has a live display on the panel, and a grounding interlock mechanism is set on the bracket. The handcart of the circuit breaker integrates the functions of electricity inspection and grounding, and is practical and convenient to operate; a three-phase live display is installed on the handcart panel, and the power and no power can be observed intuitively; there is a grounding interlock between the grounding switch and the handcart rollers. When the grounding switch is in the closed position, the rollers are stuck, and the switch cabinet cannot be pushed forward, which meets the five-proof requirements of machinery. It is suitable for power inspection and grounding of the main bus bar end and feeder branch end of the switch cabinet.

The invention provides a rate switching method of an M.2 PCIe testing fixture, and relates to the technical field of M.2 PCIe interface testing. According to the method, 100MHz 1ms pulses are input tolane0 of an M.2 PCIe port of a mainboard or a to-be-tested backboard, rate switching is triggered, every pulsing triggers switching of the rate once, and the switching sequence is PCIe Gen1->Gen2 -3.5dB->Gen2 -6dB->Gen3 P0->Gen3 P1->...->Gen3 P10->Gen1, and then a loop is formed. Great convenience is brought to testing of an M.2 PCIe interface, the resource and time are saved, and the work efficiency is improved.

The invention relates to a stamping die cleaning device, and relates to the field of die cleaning. The stamping die cleaning device comprises a cleaning chamber 1, a water return chamber 2, a water supply chamber 3 and a control cabinet 4, wherein the water return chamber 2 is arranged under the cleaning chamber 1; the water supply chamber 3 is located on one side of the water return chamber 2; anelectromotor 10 and an air cylinder 6 are arranged on the outer side of the top part of the cleaning chamber 1; a bearing 7 is connected with a telescopic pneumatic door 5; a water storage cylinder 11 connected with the electromotor 10 is arranged on an inner wall of the top part of the cleaning chamber 1; a rotary rod 13 is arranged under the water storage cylinder 11; nozzles 14 are arranged onthe rotary rod 13; the water storage cylinder 11 is connected with the water supply chamber 3 through a water inlet pipe 15; an inclined clapboard 16 is arranged under a die placement table 9; a circular hole 17 is formed in the edge position of the rear end of the inclined clapboard 16; and a filter box 18 is arranged right under the circular hole 17 and is connected with the water supply chamber 3 through a water return pipe 19. The stamping die cleaning device provided by the invention can be used for effectively removing impurities adsorbed on the die surface and is faster compared with manual cleaning in the prior art.

The invention relates to a tool capable of manufacturing a bevel through wire-electrode cutting. The tool capable of manufacturing the bevel through wire-electrode cutting comprises a baseboard and a location plate. The location plate is provided with a location pole and a wire-electrode cutting manufacturing notch, the location plate is fixedly connected with one side of the baseboard, and an angle beta is formed between the location plate and the baseboard. An included angle beta is formed between the location plate and the baseboard. The tool capable of manufacturing the bevel through wire-electrode cutting is simple in structure and convenient and practical to use.

The invention discloses a grounding handcart for electric testing of upper incoming lines, which comprises a base with rollers under the base, a support and a panel above the base, an electric test contact arm and a high-voltage sensor are fixed on the support, and a live display is arranged on the panel. Set the grounding interlock mechanism on the bracket. The handcart integrates electric testing and grounding functions, and is practical and convenient to operate; a three-phase live display is installed on the panel of the handcart, and it can be observed intuitively when there is power or no power; When the switch is in the closed position, the rollers are stuck, and the switch cabinet cannot be pushed in, which meets the mechanical five-proof requirements. It is suitable for the electric inspection and grounding of the incoming line terminal on the switch cabinet.

The invention belongs to the technical field of teaching aids and relates to a manual stop valve, which is applied in a fluid delivery pipeline of a simulation teaching and training device in the process of industrial production and is provided with an opening/closing state display lamp. The invention mainly comprises the manual stop valve and is characterized in that the manual stop valve is connected with a state display instrument through a signal line; and a position induction sensor, a signal converter, an output circuit and two light-emitting diode (LED) display lamps are arranged in a shell of the state display instrument. The manual stop valve has the functions that an electronic manual stop valve simulates an actual stop valve, and the LED lamps display the change of the opening/closing state and can output a digital signal corresponding to the opening/closing state to a control station of a control room. The manual stop valve has the advantages of convenience for operation, remote transmission, practicality, intuitional and eye-catching display, wide perspective view, far sight line, compact and reliable structure, using flexibility, safety, reliability, no phenomena of fluid running, overflowing, dripping and leaking, less maintenance, low maintenance cost, long service life and the like, and is an ideal electronic dual-position manual stop valve.

A reminding device for preventing a key from being forgotten to be pulled is characterized by comprising a magnetic device arranged on the key and a delayed alarm circuit arranged on a lock. An alarm sounder L1 is connected between a collector electrode of an audion N1 and a positive pole of a power supply. The installing position of a magnetic control trigger switch K1 on the lock meets the conditions: when the key is inserted into a lock cylinder hole of the lock in place, the magnetic control trigger switch K1 can be in an attracted state under the magnetic effect of the magnetic device, and after the key is pulled out of the lock cylinder hole of the lock, the magnetic control trigger switch K1 is reset to be in a disconnected state. The reminding device for preventing the key from being forgotten to be pulled has the advantages that installation is simple and convenient without change of an existing lock structure; the magnetic device on the key and the magnetic control switch on the delayed alarm circuit are utilized to trigger and close the delayed alarm circuit, the sensitivity is high, the operation is practical and convenient; the delayed alarm design is flexible, and the reminding device does not influence normal unlocking and counter locking, can timely remind an owner within two or three seconds after the key is forgotten to be pulled and is suitable for production and popularization.

The invention discloses a self-measurement device and method for rapidly measuring tunnel vault settlement. The self-measurement device comprises a device body which is installed at the measurement point of a tunnel through a hoisting ring expansion bolt and an expansion bolt hook; the device body comprises energized solenoids which are symmetrically fixed on the left side and the right side in the device body respectively; the middle part of the device body is fixedly provided with a vertically arranged smooth guide rod; the smooth guide rod is movably sleeved with a magnetic needle; the bottom of the front surface of the device body is sequentially provided with an alarm switch, a power indicator light and an alarm light; the back surfaces of the energized solenoids on the left side andthe right side in the device body are provided with infrared emission and receiving heads respectively; and the device body is also provided with a power box used for mounting a power supply. The self-measurement device provided by the invention effectively overcomes the technical defect that the currently used invar bar drawing generates an error, has the advantage of low cost, can conveniently and rapidly inform a relative monitoring person of a dangerous signal of tunnel vault settlement, is more convenient and rapider to operate and has a very large practical value.

The invention discloses a vacuum air pumping and deflating container. The vacuum air pumping and deflating container comprises a container body and a container cover which covers the container body; the container cover is matched with the container body in an air-tight manner; an air cock assembly opening is formed in the center of the top of the container cover; a button which is slidably matchedwith the air cock assembly opening is sleeved in the air cock assembly opening; a through air hole is formed in the center of the button; a sealing air cock is arranged in the air cock assembly opening; the sealing air cock comprises a sealing support and an air cock bottom cover; the sealing support sleeves the air cock assembly opening; the inner wall of a cylindrical air guiding hole sleeves asealing component which is slidably matched with the cylindrical air guiding hole; a spring is connected between the bottom of the sealing component and the inner bottom surface of the air cock bottom cover; the sealing component ejects the sealing support to be matched with the air cock assembly opening in an air-tight manner; air pumping and deflating of the container are facilitated while ensuring the recycling of the container; the decompressing effect of the device is stable; the pressure maintaining time is reliable and long; and more excellent storage packing experience is provided forusers.

The invention relates to the field of conductive carbon preparation equipment, and particularly relates to a device for rapidly preparing conductive carbon. The device comprises a support, a conveying structure, a mounting structure, a crushing structure, an anti-blocking structure, a scraping structure, a screening structure and a collecting structure. The conveying structure is arranged at one end of the support, so that crushed carbon powder can be continuously conveyed; the mounting structure is arranged, so that a crushing assembly and the support can be mounted and dismounted, transportation and assembly are facilitated, and the damping effect can be achieved; the crushing structure is arranged, so that carbon blocks can be fully crushed, the crushing structure can drive the anti-blocking structure to work synchronously while crushing work is carried out, and therefore the position of a discharging port can be prevented from being blocked by materials; and the scraping structure is arranged in a crushing box, so that the carbon powder adhered to the interior of the crushing box can be scraped off regularly, the situation that a large amount of carbon powder is adhered to the side wall of the interior of the crushing box can be effectively avoided, and the crushing quality is guaranteed.

The invention discloses an application method of a linear cutting inclined surface machining tool. The application method comprises the following steps: (1) a baseplate is fixed on an operation table; (2) a workpiece is put on a fixing plate and is fixed by fixing columns; (3) whether the fixing precision of the workpiece meets the requirement is detected; and (4) the workpiece is linearly cut from a gap. The tool has the advantages of simple structure, convenience for use and practicability.

The invention discloses a foodstuff stick, and especially relates to a stick for sugar-coated haws. The stick for sugar-coated haws comprises a tip part and a rod part, the tip part is in conical form, an inner part of the tip part is hollow and a bottom part of the tip part is provided with an opening; the rod part comprises several loop bars which are in sleeved joint, inner parts of the loop bars are hollow and double ends of the loop bars are opened, the loop bars are in truncated cone shapes, and small-diameter ends and large-diameter ends of adjacent loop bars are connected in slide connection. The loop bars of the stick for sugar-coated haws can be pulled up conveniently while eating, so that the sugar-coated haws are kept at the top part of a bamboo stick, and the loop bars are smooth and do not prick human body.

The invention discloses a deshelling device of a clam. The device comprises a base, a motor, a circular disc and a screening frame, wherein the motor and the circular disc are respectively mounted at two ends of the base; the screening frame is arranged in the circular disc; a motor shaft of the motor is inserted into the circular disc and is connected with the screening frame. The deshelling device of the clam provided by the invention is convenient and practical to operate, and is high in automation degree; moreover, the steamed clam meat is separated from a shell of the clam, and the clam meat is screened and collected, so that the deshelling rate is high.

The invention discloses a network management warning display method, which comprises the steps of: acquiring width of a display region of a screen; querying width of a single warning in a warning list when all warning attribute fields of the single warning are fully displayed; judging whether the width of the display region of the screen is greater than or equal to the width when all the warning attribute fields are fully displayed; and if so, then adjusting all the warning attribute fields of the single warning into a line and displaying the warning attribute fields in a single page. The invention further discloses a network management warning display device. According to the network management warning display method and the network management warning display device, the warning information of the warning list is automatically adjusted into a single line and displayed in a single page, thus the operation of checking a single piece of warning detailed information and monitoring a plurality of warnings can be completed without switching between a warning detailed information interface and the warning list, the interface is concise and intuitive, and the operation is convenient and practical.

An edible fungus strain cultivation device comprises a cylinder, a first motor is arranged on the bottom face of the interior of the cylinder, a first gear is fixedly connected to the output end of the first motor, a plurality of second gears are arranged on the periphery of the first gear in a meshed mode, a third gear is arranged on the inner side wall of the cylinder, and the third gear is meshed with the second gears; a connecting rod is rotationally connected to the lower end of the second gear, a shaft rod is fixedly connected to the lower end of the connecting rod, rollers are rotationally arranged at the left end and the right end of the shaft rod, a circular sliding groove is formed in the bottom face in the cylinder, the rollers are slidably installed in the circular sliding groove, a steam device is arranged at the upper end of the first gear, and a cultivation device is arranged at the upper end of the second gear. By arranging the first gear, the second gear and the thirdgear, the cultivation device can rotate around the first gear while rotating on its own axis, high-temperature steam sprayed by the steam device makes full and comprehensive contact with the cultivation device, and the sterilization effect is greatly improved.

The invention discloses an isolated switch device based on an automatic opening and closing function. The isolated switch device comprises an isolated switch, a control mechanism, an automatic openingand closing execution mechanism and a manual opening and closing mechanism, wherein the control mechanism comprises a remote control terminal, a control cabinet, a controller and an operation panel;the automatic opening and closing execution mechanism comprises a first supporting plate, an insulated rod, a spring and an electric drive pusher; the manual opening and closing mechanism comprises apull rope. In the actual application, opening or closing of the isolated switch on a tower can be realized by operating the remote control terminal, operating the operation panel on the ground or pulling the pull rope, so that working intensity of a worker is greatly reduced, and the working efficiency is improved.

The invention discloses a method of obtaining tight sandstone stratum factors. The method comprises the steps of determining a mathematic model among an Archie formula calculation value, measured dataand irreducible water saturation of a rock sample of which porosity is smaller than a porosity threshold value based on experiment data; correcting the Archie formula calculation value of a measuringtarget of which porosity is smaller than a porosity threshold value based on the mathematic model according to logging information to obtain the stratum factors of the measuring target. The method and procedure obtaining the stratum factors based on the irreducible water saturation are established for the difficulty of obtaining the stratum factors in tight sandstone logging interpretation. Compared with the prior art, the method is easy to operate and practical and has a good application effect in actual logging interpretation.

The invention discloses a minimally invasive surgery tool and a use method thereof. The minimally invasive surgery tool comprises a front arm, a regulation and control tube, a regulator and a regulation and control guide wire. The regulation and control guide wire penetrates through the two ends of the regulation and control tube, and the two ends of the regulation and control guide wire are connected with the front arm and the regulator respectively; the front arm is detachably and rotationally connected with the outer side of the front pipe wall of the regulation and control tube, a locking mechanism is arranged at the joint of the front arm and the regulation and control tube, and the two ends of the regulation and control tube are through; the front arm comprises a multifunctional surgical instrument, a connecting arm and a regulating arm; the front and rear ends of the connecting arm are respectively connected with the multifunctional surgical instrument and the regulating arm; an included angle omega 1 is formed between the multifunctional surgical instrument and the connecting arm, and an included angle omega 2 is formed between the regulating arm and the connecting arm. The tool is simple and practical in design structure, easy and convenient to operate, capable of adjusting the opening and closing degree of the minimally invasive surgery tool and the angle and position advancing and retreating of a kerf head, multifunctional, small in needed surgical wound and working area, capable of reducing the number of surgical holes, capable of reducing pain of a patient and beneficial to rapid recovery of the patient.

The invention relates to the field of household cleaning supplies, in particular to a trash can with a pest killing function. The trash can with the pest killing function comprises a can body which is covered by a cover. The can body is connected with the cover in a rotating mode, the back face of the cover is provided with an electric heating wire net capable of killing mosquitoes and pests, and the electric heating wire net is connected with a control component. The control component comprises a switch which is arranged on the can body or the surface of the cover. The trash can with the pest killing function has the advantages that when rubbish is placed in the trash can, the trash can be covered after a period, so that pests in the trash can are conveniently killed, and the trash can is convenient to operate and practical.

The present invention discloses common nightblooming cereus flower rice cakes and a preparation method thereof. The rice cakes are characterized by comprising the following components in parts by weight: 5-10 parts of common nightblooming cereus flower powder, 8-15 parts of rice flour, 3-6 parts of sugar and 2-4 parts of common nightblooming cereus flower stuffing. The common nightblooming cereusflower rice cakes are prepared by the following steps: pulping, syrup crystallization, dough rolling, rice cake preparation, baking and canning. The common nightblooming cereus flower rice cakes prepared by the invention are rich in nutrients and unique in taste; and the preparation method is simple and suitable for family manufacturing and marketing, and has wide development space.

The invention relates to a bamboo rake with an adjustable width. The bamboo rake comprises a rake rod set composed of a plurality of rake rods . A rake tooth is arranged at the front end of each rake rod. The bamboo rake further comprises shed rods, a pull plate and a fixing plate. The number of the rake rods is an even number. A hinge plate is arranged at the rear ends of the rake rods. A threaded rod perpendicularly fixed to the fixing plate is arranged on the fixing plate. Each rake rod is provided with one pair of shed rods which are hinged to the rake rod relative to a hinging point. The shed rods of adjacent rake rods are hinged to each other. The pull plate is arranged in the middle of the rake rod sets. One end of the pull plate is connected with one hinging point of the shed rods in a hinged mode. A long slotted hole is formed in the pull plate. The threaded rod penetrates through a hole in the hinge plate and the long slotted hole. A lock nut is arranged on the threaded rod. The position of the pull plate and the position of the threaded rod are fixed through the lock nut. According to the bamboo rake with the adjustable width, the shed rods are arranged on the rake rods, the shed rods are hinged to one another, a rhombus is formed by the shed rods of every two adjacent rake rods, the angle of the rhombus is changed through the pull plate, and accordingly the distance between the rake rods can be adjusted; the bamboo rake is practical and convenient to operate.

The sludge incinerator comprises a motor, a water pump, an incinerator body, a rotating rod, a screw piece, a first gear and a limiting block, the surface of the first gear is movably connected with a second gear, the rotating rod is fixedly installed on one side of the second gear, and the motor is fixedly installed on one side of the rotating rod. The bottom of the motor is fixedly connected with a fixing frame, fixing bolts are fixedly installed on the surface of the fixing frame, and two sets of water inlets are formed in the inner side wall of the incinerator. According to the device, through the arrangement of a rotating rod, a screw sheet, a first gear, a second gear, a limiting block and a rotating rod, during use, an operator cleans the incinerator after incineration, so that treatment is conducted, the speed of cleaning sludge in the incinerator is effectively increased, operation is particularly convenient and practical, and the device is worthy of popularization and application. In addition, the labor force of workers is greatly reduced, and the practicability of the equipment is embodied.

The invention discloses a testing device for testing depths of inner and outer bevel faces. The testing device comprises a dial indicator dial, a device body and extension devices. The center of the top end face of the device body is fixedly connected with an indicator sleeve, and the dial indicator dial is arranged at the top of the indicator sleeve; the bottom of the dial indicator dial is connected with a fixing rod, and the bottom end of the fixing rod stretches into a through hole in the top end of the indicator sleeve; a lifting groove is formed in the position, at the bottom of the through hole in the top end of the indicator sleeve, in the indicator sleeve, and a detecting head is connected to the position, in the lifting groove, at the bottom end of the fixing rod; a detecting rodis mounted on the position, in the lifting groove, at the bottom of the detecting head, and the top end of the detecting rod abuts against the detecting head; the bottom end of the detecting rod stretches out of the lifting groove and is fixedly connected with a fixing block, and inner cavities are formed in the two sides in the device body; and the extension devices are mounted in the inner cavities. The testing device for testing the depths of the inner and outer bevel faces is convenient to operate and practical, the time is saved, and the efficiency is improved.

The invention belongs to the technical field of mobile phone accessories, and particularly relates to a shell of a mobile phone or a back elastic sleeve of a mobile phone shell, which comprises an elastic body, an upper shell and a lower shell, and is characterized in that two ends of the elastic body are respectively fixed on the upper shell and/or the lower shell; slide ways are formed in the two ends of the upper shell, slide rails are arranged at the two ends of the lower shell, and the lower shell is inserted into the slide ways of the upper shell by the slide rails to be fixed on the upper shell. A limiting block is arranged at one end of the upper shell. The problems that in the production process of the elastic sleeve, the efficiency of the upper bottom plate and the lower bottom plate is low, and the machining cost is high are effectively solved, when the upper shell and the lower shell are assembled, the sliding rail on the lower shell is inserted into the sliding way of theupper shell, the lower shell is fixed to the upper shell, operation is easy, convenient and practical, the efficiency is improved, and the cost is saved.