667results about How to "Convenient card connection" patented technology

The invention discloses a clamping device for air conditioner production equipment. The clamping device comprises a sliding rail; the two sides of the sliding rail are fixedly connected with supporting plates correspondingly; controllers are fixedly connected to the sides, away from the sliding rail, of the supporting plates; the top of the sliding rail is fixedly connected with a box body; a motor is fixedly connected with the position, located in an inner cavity of the box body, at the top of the sliding rail; a rotating shaft of the motor is sleeved with a first bevel gear; a first thread rod is movably connected between the two supporting plates; and the ends, away from the supporting plates, of the first thread rod penetrate through the box body and extend to the inner cavity of the box body. According to the clamping device for the air conditioner production equipment, the motor, the first bevel gear and a second bevel gear are matched to enable the first thread rod to rotate so that a thread sleeve can transversely move, a vertical rod and a fixed plate are conveniently driven to transversely move, thus air conditioner cabinet bodies with different sizes can be clamped, operation is convenient, the applicability of the air conditioner cabinet body clamping device is improved, and using of a user is more convenient.

The invention relates to a die for S-shaped bending of copper bars in the field of bus processing dies. A first chute is formed in the front and rear direction of a backing plate of the die, a support plate is matched and arranged in the first chute, and a first flat bending die is fixed on the support plate; the backing plate is also provided with a second flat bending die on the lateral surfaceof the first chute, the support plate is provided with a first support part corresponding to the first flat bending die, one side of the first support part towards the first flat bending die is a first wedge-shaped surface, and a first wedge block is matched with the first wedge-shaped surface; the support plate is provided with a second support part corresponding to the second flat bending die, one side of the second support part towards the second flat bending die is a second wedge-shaped surface, and a second wedge block is matched with the second wedge-shaped surface; and gaps capable of clamping the copper bars in the width direction are reserved between the first wedge block and the first flat bending die and between the second wedge block and the second flat bending die. The devicecan bend the copper bars into S shape, is quick and convenient for processing, and has high processing precision; and the device can be used in bus production.

A vehicle window lifting motor capable of overload protection relates to the technical field of motors. The motor includes a connector. An inner wall of the connector is provided with uniformly distributed clamping grooves, an output shaft is connected on a middle part of the connector in a clamped manner, and evenly distributed fixed columns are fixedly connected on an inner wall of the output shaft. In the vehicle window lifting motor capable of overload protection, clamping blocks and the clamping grooves are used in a cooperative manner, the clamping blocks are connected with the clampinggrooves in a clamped manner in an initial state, and the connector is enabled to be connected with the output shaft in a clamped manner; when the rotating output shaft suddenly stops, a limiting blockmoves towards a front side due to centrifugal force, an electrically conductive sheet is driven to move toward the front side, the electrically conductive sheet is separated from a rheostat, a circuit for suspending liquid is disconnected, the suspending liquid is turned into fluid, the clamping blocks are squeezed into the output shaft under the action of the clamping grooves, piston blocks moveto both sides under the action of the suspending liquid to make the output shaft idle, thus overload protection can be achieved, overload use of the motor can be prevented, and service life of the motor is prolonged.

The invention discloses a wall-mounted air conditioner with detachable bases. The wall-mounted air conditioner comprises the upper base and the lower base which are detachably connected. An air guide wall is arranged between the upper base and the lower base. The air guide wall comprises an upper air guide wall body and a lower air guide wall body. The upper air guide wall body and the lower air guide wall body are arranged on the upper base and the lower base correspondingly. Due to the fact that the air guide wall comprises the upper air guide wall body and the lower air guide wall body and the upper air guide wall body and the lower air guide wall body are arranged on the upper base and the lower base correspondingly, the upper base and the lower base can be demounted at the position of an air channel formed by the air guide wall and air conditioner blades, when the air channel of the wall-mounted air conditioner is cleaned, an evaporator, the blades, a motor and other parts of the air conditioner do not need to be demounted, and convenience is brought to cleaning of the air conditioner.

The invention relates to an exhaust assembly of an air conditioner and the air conditioner. The exhaust assembly is mounted between an air conditioner exhaust outlet and an indoor exhaust outlet and is composed of an exhaust pipe, a first joint and a second joint; two ends of the exhaust pipe are respectively spliced into the first joint and the second joint; a first step and a second step are respectively formed on the outer side walls at two ends of the exhaust pipe through injection molding along the circumferential direction, one end of the first joint is fixedly connected with the air conditioner and communicates with the air conditioner exhaust outlet, and the other end of the first joint is integrally connected with a plurality of first elastic clamping and connecting parts adapted and clamped onto the first step; and one end of the second joint communicates with the indoor exhaust outlet, and the other end of the second joint is integrally connected with a plurality of second elastic clamping and connecting parts adapted and clamped onto the second step. The exhaust assembly of the air conditioner is convenient, rapid and efficient in mounting, not easy to loose and convenient to mount and dismount because the joints and the exhaust pipe can be connected by lightly pressing.

The invention provides a device and method for strengthening foil connection strength under laser loading. The device comprises a laser loading system, a control system, a heating system, a welding system, a clamping system and a three-dimensional mobile platform system; the laser loading system comprises a focusing lens, a lens support, a lens height adjustor, a reflector and a pulse laser; the control system comprises a computer, a laser controller, an air pressure controller, a heating controller and a three-dimensional mobile platform controller; the temperature system comprises a heating plate; the three-dimensional mobile platform system comprises a three-dimensional mobile platform and a right-angle base; the welding system comprises a restraint layer, an absorbing layer and a workpiece; and the clamping system comprises a workpiece, an air cylinder, a die driving device and upper and lower dies. According to the device and method, under the heating condition, by loading lasers, two layers of foil can be subject to impact welding and clamping at the same time, and the connecting strength of the foil is strengthened; and the die driving device in the device can drive the movable upper die to move left and right, the self-locking effect can be achieved, and the working efficiency is improved.

The invention discloses a novel clinical calculus-removing device used for the hepatological surgery department. The device comprises a box body. The back side in the interior of the box body is equipped with a second motor. An output shaft at the front end of the second motor is connected with a gear. The left front side of the box body is equipped with an outer pipe. The right end of the outer pipe communicates with a through hole in the left front side of the box body. A sliding groove is arranged in the lower side in the outer pipe. The interior of the outer pipe is equipped with an innerrod, the lower side of which is provided with a sliding block. The sliding block is slidably connected with a sliding groove. The right end of the inner rod penetrates through the right end of the outer pipe to stretch into the box body. The right end of the inner rod is connected with the left end of a rack. Operation is performed easily. When medical staff uses the device, the overall device remains stable. A calculus can be precisely aligned during calculus removal. A wound can be properly expanded so that the wound is conveniently stretched to remove the calculus. The calculus can be removed in case of adhesion. Bloody water can leak out. The device is conveniently in snap joint with a lighting lamp and other medical equipment so that calculus-removing operation is convenient to carryout.

The invention relates to a branch optical cable and cable type material rapid winding and unwinding device including a wire rod guiding mechanism, a swing arm discharging mechanism, a wire rod lengthcounting mechanism and a collecting mechanism; the wire rod guiding mechanism includes at least two conducting wires which are installed at a wire wheel base on a guiding frame, the far-end of a rotating arm of the swing arm discharging mechanism is provided with a linear bearing, the upper portion of a spindle is connected at the near-end of the rotating arm, and a regulating screw penetrates through the rotating arm to be connected with an inner screw hole of the spindle; a base is detachably installed at a big wire wheel or a connecting base, and the wire rod length counting mechanism includes a substrate, a guiding base, a length-measuring sensor, a sliding base, a side roller, a lower roller and a limiting roller; the collecting mechanism includes a speed-regulating motor which is connected with a turn table and a wire-winding wheel through a winding shaft, the outer side of the winding shaft is provided with a radial clamping groove, and the winding shaft is installed at a shaftbase of a supporting base through a bearing. The branch optical cable and cable type material rapid winding and unwinding device is reasonable in structure, a wire rod can be automatically and rapidlywound and unwound, the accuracy of winding and unwinding of the wire rod is high, the labor intensity of operating personnel can be effectively reduced, and the operation is safe.

The invention provides a bendable short-circuit ground wire operating device. The device comprises an operating rod, a fastening screw, a grounding wire clamp and a turning device; the turning devicecomprises a sleeve and a universal joint; one end of the sleeve is fixedly connected with one end of the operating rod; the other end of the sleeve is provided with an opening; axial guide grooves areformed in the two side faces of the sleeve; the universal joint is slidably connected with the guide grooves through protruding structures arranged on the two sides of the universal joint; when the universal joint slides to the ends, close to the opening of the sleeve, of the guide grooves, the turning end of the universal joint extends out of the sleeve; the turning end of the universal joint isconnected with one end of a fastening screw rod; the grounding wire clamp comprises a wire clamp main body and a fastening clamping piece; a short-circuit wire mounting hole is formed in one outer side of the wire clamp main body; one side of the fastening clamping piece is slidably connected with the inner side face of the wire clamp main body; a hole-shaped clamping groove is formed in the lower side face of the fastening clamping piece; the other end of the fastening screw is provided with a round head clamping piece; and the round head clamping piece of the fastening screw is clamped withthe hole-shaped clamping groove after passing through a screw hole formed in the lower surface of the wire clamp main body.

The invention discloses a constant-temperature drying box convenient and rapid to use. The constant-temperature drying box convenient and rapid to use comprises a box. A first holding plate is fixedlyconnected with the inner cavity of the box. A second holding plate is arranged in the inner cavity of the box and located above the first holding plate. The two sides of the inner cavity of the box are each provided with clamping grooves. The two sides of the second holding plate are provided with deep grooves. The two sides of the top of the second holding plate are provided with sliding holes communicating with the deep grooves. Springs are fixedly connected with the inner walls of the deep grooves. The end, far away from the inner wall of the corresponding deep groove, of each spring is fixedly connected with a fixture block. The side, far away from the corresponding spring, of each fixture block extends into the inner cavity of the corresponding clamping groove. According to the constant-temperature drying box convenient and rapid to use, clamp blocks can move up and down, so that the fixture blocks can be fixed, through clamped connection between the fixture blocks and the clamping grooves at different heights, the distance between the first holding plate and the second holding plate can be adjusted, objects of different sizes can be conveniently placed on the holding plates,the objects of different sizes can be conveniently dried, and people can conveniently use the constant-temperature drying box convenient and rapid to use.

The invention discloses an automatic punching die device based on the electronic information technology. The automatic punching die device comprises a bottom plate. A driving device is arranged in themiddle portion of the upper surface of the bottom plate. The lower surface of a supporting plate of the driving device is provided with auxiliary supporting devices. A fixed plate is arranged on theupper surfaces of shock absorbers of the driving device. The lower surface of the fixed plate is provided with a protective device. The upper surface of the fixed plate is provided with four rectangular grooves distributed uniformly. Lower die bases are movably clamped to the interiors of the rectangular grooves. The side face of each lower die base are provided with two guide rods arranged symmetrically. Through the automatic punching die device based on the electronic information technology, a die can be replaced and fixed. The automatic punching die device based on the electronic information technology can continuously conduct punching on workpieces and effectively improve the working efficiency. Moreover, the automatic punching die device can automatically control electrical equipmentand is high in automation degree. The using safety of the whole automatic punching die device can be improved through the protective device and a positioning device, can effectively avoid occurrence of accidents and is convenient to use.

The invention discloses a standard self-locking liquid distribution pump with a spring arranged outside. The standard self-locking liquid distribution pump with the spring arranged outside comprises a pump chamber. A pump ball mechanism is arranged in the lower portion of the pump chamber. A locking bottle cover is arranged at the upper end of the pump chamber. The standard self-locking liquid distribution pump with the spring arranged outside is characterized in that an integrated suction plugging pump rod mechanism is arranged in the pump chamber; a self-locking cover is arranged in the upper portion of the pump chamber; the upper end of the integrated suction plugging pump rod mechanism is connected with a pump body pressing head; a positioning convex rib is arranged in the pump body pressing head; and the reset spring is arranged in a cavity. The standard liquid distribution pump system is simple in structure, capable of being produced in a standardized mode and convenient to assemble, and different standard components can be selected and replaced according to functional requirements. The standard self-locking cover, the stand pump chamber, the integrated suction plugging pump rod mechanism, the locking bottle cover and the standard pump body pressing head are adopted and assembled into the standard liquid distribution pump system, a clamping connecting portion of the standard self-locking cover is in clamping connection with a clamping connecting block in the standard pump chamber, and rapid connection can be realized.

The invention discloses a waterproof socket which comprises a socket body, a socket cover arranged on the top of the socket body, and a connection block fixedly connected to the right side of the socket body. The connection block is movably connected to a connecting rod through a rotating shaft, and the end of the connecting rod away from the connection block is fixedly connected with the left side of the socket cover. An insertion slot is arranged in the left top of the socket body, and a deep groove is arranged in the left side of the insertion slot. First springs are fixedly connected to the left side of the inner cavity of the deep groove, and a movable block is fixedly connected to the ends of the first springs away from the inner wall of the deep groove, and the side of the movable block away from the first springs extends to the outside of the insertion slot. A pull rod is fixedly connected to the left side of the movable block and between the two first springs. A sealing strip can be clamped and connected with a sealing slot to enhance the sealing performance of the socket body and the socket cover and the waterproof performance of the socket, short circuit due to a socket contacting with water can be prevented, and electric equipment can be protected.

The invention relates to the technical field of conveying and picking of small components, in particular to a nut conveying and picking device. The nut conveying and picking device is provided with arack base plate. The nut conveying and picking device is characterized in that a nut collection and discharging unit, a nut positioning and conveying unit and a nut clamping and picking unit are arranged on the rack base plate, and the nut collection and discharging unit is composed of a discharging base and a discharging cover plate; the nut positioning and conveying unit is composed of a nut conveying mechanism and a nut ejection mechanism; the nut clamping and picking unit is located over the nut positioning and conveying unit and composed of a telescopic cylinder, a fixed sleeve, a clamping jaw, an O-shaped ring, an ejection sleeve, an ejection head, a convex pin and an ejection cylinder, and small nuts are conveyed to the nut positioning and conveying unit through the nut collection and discharging unit, then clamped by the nut clamping and picking unit and finally moved into an injection molding machine for injection molding through a manipulator. The nut conveying and picking device has the advantages of being simple in structure, convenient to use, capable of relieving labor intensity and improving working efficiency and the like.

The invention relates to the technical field of environment-friendly decoration materials, and discloses an interior decoration partition wall which comprises a wall. A mounting component is inlaid inthe top of the front surface of the wall, a through slide groove with an arc-shaped top is formed in the middle of the bottom of the mounting component, a base plate, a connecting plate I, a connecting plate II and a tail plate are sequentially clamped with the mounting component via the slide groove from left to right, and positioning strips which are matched with the slide groove are fixedly connected with the tops of the base plate, the connecting plate I, the connecting plate II and the tail plate. The interior decoration partition wall has the advantages that positioning and slide effects can be realized by the slide groove and the positioning strips, the base plate, the connecting plate I, the connecting plate II and the tail plate can be conveniently clamped with the bottom of themounting component under limit effects of the slide groove, accordingly, the problem of high consumption of working hours due to the fact that partition walls need to be manually aligned and drawn together can be solved, large quantities of human and material resources can be saved, and the mounting convenience can be improved; errors in manual drawing procedures can be prevented, and the mountingprecision of the interior decoration partition wall can be improved.

The invention discloses a novel small measuring range ultrahigh precision displacement sensor and a measuring method. The sensor comprises a laser beam, two reflectors, a photoelectric detector, and a processing system. According to the sensor, the laser beam is reflected continuously between the two reflectors which are paralleled arranged, and finally the laser beam irradiates at one position of the photoelectric detector; then the space between the two reflectors is changed and therefore the reflecting path of the laser beam is changed so that the laser beam irradiates at another position of the photoelectric detector. The processing system obtains a detection distance value through processing according to the two different positions, wherein the detection distance value is far more than the real change value of the space between the two reflectors; the processing system can calculate the real change value of the space between the two reflectors through the detection distance value. The sensor having a simple structure, reliable measurement and high precision can be applied in measuring continuous displacement change of objects and is easy for batch manufacture.

The invention discloses an air conditioner with detachable bases. The air conditioner comprises the upper base and the lower base which are detachably connected. A middle frame is installed on the upper base and the lower base. An end cover is installed at the end portion of the middle frame. A pipe passing plate is installed at the position of a pipe passing opening of the end cover. A protruding edge is arranged on the side wall of the pipe passing plate. Limiting bars are arranged at the positions, on the two sides of the pipe passing opening, of the end cover. Protruding edges are arranged at the front edge of the protruding edge. A limiting groove is formed in the end cover, and bosses are arranged on the two sides of the protruding edge. A stand column is arranged on the end cover. The air conditioner with the detachable bases further comprises a middle frame liner plate installed on a middle frame, and a pre-positioning structure is arranged between the middle frame liner plate and the middle frame. The pipe passing plate is installed on the end cover in a clamping and connecting manner, when the leading-out direction of a pipeline of the air conditioner needs to be changed, the pipe passing plate can be installed on the end cover again, when screws are driven on the middle frame liner plate and the middle frame, the phenomenon that the middle frame liner plate is deflected from the preset position can be avoided, and therefore the assembling quality and attractiveness of the air conditioner are ensured.

The invention discloses an incremental type small-measurement-range displacement sensor and a measurement method. The sensor comprises a laser beam, two reflection mirrors, a distributed type photoelectric detector and a processing system. With the adoption of the sensor, the laser beam is reflected continuously between one group of the two reflection mirrors which are arranged in parallel, and is finally illuminated to the distributed type photoelectric detector, so that the distance between the two reflection mirrors is changed, and a reflection path of the laser beam can be changed; a detection part I, a detection part II and a detection part III on the distributed type photoelectric detector are used for inducing the laser beam for three times, and the processing system is used for processing according to the number of times of receiving the laser beam by detection parts and the distance between the detection parts to obtain a detection value; the detection value is larger than a real change value of the distance between the two reflection mirrors; and the processing system can be used for calculating the real change value of the distance between the two reflection mirrors through the detection value. The sensor is simple in structure and is applicable to measurement of displacement changes of an object to be detected; and the sensor can be used for reliably measuring and has relatively high precision, and can be easily manufactured in a large batch.

The invention discloses a manipulator display device convenient to replace. The manipulator display device comprises a bottom plate, wherein the upper surface of the bottom plate is fixedly connectedwith a body of a motor through two fixing blocks, the two fixing blocks are symmetrically arranged on the left and right sides of the motor, a driving wheel is fixedly connected to the surface of an output shaft of the motor, the driving wheel is positioned above the motor, the driving wheel is in transmission connection with a driven wheel through a belt, and the driven wheel is fixedly connectedto the surface of a rotation shaft. For the manipulator display device convenient to replace provided by the invention, by arranging the motor, the driving wheel, the driven wheel, the rotation shaft, a support late, a first clamping groove and a fixing device, the fixing device can be directly moved, meanwhile, a clamping rod can be separated from a second clamping groove, a second shell is placed into another first shell, thus the fixing device does not need to be fixedly arranged on the support plate, moreover, the fixing device can be taken down, so that the space on the support plate canbe saved, and in addition, the fixing device can be moved, so that the display effect of the manipulator is guaranteed.

The invention discloses a length detection device of hardware round tube finished products. The length detection device comprises a limiting frame and a conveying table, wherein the conveying table comprises a machine frame and a conveying belt set, a positioning and flattening device is arranged on the conveying table, the positioning and flattening device comprises a flattening plate, a verticaladjusting plate, a transverse adjusting plate and an auxiliary side plate, a positioning side plate is arranged opposite to the auxiliary side plate, a first waste box is arranged above the flattening plate, a pushing air cylinder is arranged at the bottom of the first waste box, the pushing air cylinder is connected with an intercepting frame, and a material blocking device is arranged on the rear side of the intercepting frame. The length detection device is simple in structure, high in practicability, good in safety, and convenient to operate; and automatic detection and classification canbe carried out on the length of the finished round tube finished products, and the round tubes with the length larger than the set range or smaller than the set range are taken away, so that the length of the round tubes collected by finished products meets the actual requirements, the operation automation is realized, the labor intensity of workers is effectively reduced, and the accuracy of thedetection and classification of the length of the round tubes is improved.

The invention discloses an intelligent anti-theft well lid and an anti-theft method. The intelligent anti-theft well lid comprises a supporting pipe, an accommodating groove is formed in the top of the supporting pipe, a cover plate is placed in an inner cavity of the accommodating groove, clamping grooves are formed in the two sides of the inner cavity of the accommodating groove, the number of the clamping grooves is four, the bottom of the cover plate is provided with a transverse groove, inner cavities of the clamping grooves are movably connected with clamping rods, the ends, away from the inner cavities of the clamping grooves, of the clamping rods extend to an inner cavity of the transverse groove, threaded holes are formed in the side, away from the clamping grooves, of the clamping rods, and the bottom of the transverse groove is fixedly connected with a box body. The intelligent anti-theft well lid has the advantages of being high in intelligence, preventing lawbreakers frommaliciously and easily stealing the well lid, automatically alarming the well cover, solving the problems that an existing well lid is low in intelligence and does not have an anti-theft function, sothat lawbreakers can be maliciously and easily stolen, the well lid is lost, relevant personnel cannot be given in time, economic loss is brought to a user, and meanwhile, potential safety hazards arebrought to pedestrians.

The invention relates to the technical field of wood processing, and discloses a drum chipper for wood processing. The drum chipper comprises a transmission rod, a knife roll, a knife rest, a rotatingrod, a knife and a rotating disc. The transmission rod is fixedly connected with the center of the knife roll in a sleeving mode, six uniformly distributed arc-shaped grooves are formed in the outerring of the knife roll, a through angle groove is formed in the inner side of the knife roll, a butt joint groove is formed in one side of the angle groove, the bottom of the knife rest is fixedly connected with the rotating rod, one end of the rotating rod is fixedly connected with the rotating disc, and a positioning hole is formed in the end, close to the rotating disc, of the knife rest. By arranging the knife rest and the rotating rod, the angle of the knife rest can be adjusted under the driving of the rotating rod, so that the angle of the knife on the knife rest is adjusted, and the thickness of a cut wood chip can be controlled; and the rotating rod can only drive the knife rest to perform circular motion by arranging the angle groove, and the possibility that the knife rest is separated from the knife roll is avoided.

The invention provides a water saving device, belonging to the field of tap water instrument. The water saving device comprises a device body (1) and a regulation cap (5); the device body (1) is hollow; the upper port of the device body is internally provided with a thread bayonet catch; the lower part of the water inlet (2) is provided with a sealing pad (3), the bottom thereof is sealed, two sides thereof are provided with water outlet holes (7), the external side thereof is provided with a sealing ring (6) and the bottom end thereof is provided with a water collecting chamber (9); two sides of the water collecting chamber (9) are provided with water troughs (8); the regulation cap (5) is connected outside the device body (1) by screw thread; the lower end center of the regulation cap (5) is provided with a water saving hole (10). The water saving device has the advantages of simple structure, convenient clamping operation, integrating spray-washing and washing into a whole, being widely applied to washing rooms, hotels, restaurants and the like, and achieving the objects of saving water, cleaner washing; no matter people have water saving consciousness or not, after the tap water saving device is used, good effect that the water can be saved by 70% is achieved.

The invention discloses a storage rack for glass production, which comprises a fixed frame body, a support frame and a glass placement frame, hydraulic components are arranged in the fixed frame body, connecting rods are arranged on the front and rear sides of the fixed frame body, and the support frame Located between the two connecting rods, the support frame is located above the fixed frame body, the glass placement frame is located on the fixed frame body, and the glass placement frame includes a first glass placement frame, a second glass placement frame, a second glass placement frame, and a A third glass placement frame and a fourth glass placement frame. The present invention has strong practicability and reasonable structural design. The glass of different thicknesses is stored and stored in a differentiated manner through the first glass placement frame, the second glass placement frame, the third glass placement frame and the fourth glass placement frame, and the structural design is more reasonable. , It is also more convenient for unified management in the later stage. At the same time, by adjusting the length of the connecting shaft, different glass placement frames can be moved back and forth, so that the glass of specified specifications can be placed in the designated glass placement frame.

The invention relates to the related technical field of metal machining numerical control machine tools, in particular to a metal machining numerical control machine tool convenient to maintain. The machine tool comprises a workbench, wherein supporting legs are inserted in the corners of the bottom of the workbench respectively, a supporting base is fixedly connected to one side of the top of the workbench, a lifting mechanism is arranged on the inner side of the supporting base, a connecting frame is arranged at the top of the lifting mechanism, an auxiliary mechanism is arranged on the inner wall of the connecting frame, the connecting frame is in an L shape, a supporting column is fixedly connected to the bottom of the connecting frame, a disc is rotationally connected to the position, close to the lower portion, of the outer side of the supporting column in a sleeving mode, a plurality of storage through holes are annularly formed in the inner side of the disc at equal intervals, and elastic mechanisms are disposed on the inner sides of the plurality of storage through holes respectively. According to the machine tool, a drill bit of the metal processing machine tool can be repaired and maintained, the drill bit can be conveniently replaced and rapidly installed, and then machined metal filings can be collected to be conveniently recycled in the later period.

The invention relates to an ice machine inflow water heating pipe, an assembly structure of the ice machine inflow water heating pipe and a refrigerator door body and a refrigerator. The heating pipe is used for heating a water inflow pipe of an ice machine and comprises a metal pipe, a heating wire wound around the outer wall of the metal pipe and an insulation heat preservation protective jacket, the insulation heat preservation protective jacket is connected to the outer side of the metal pipe in a sleeving manner, and the heating wire is electrically connected with a main control panel of the ice machine; one end of the water inflow pipe is inserted into the metal pipe, and the end, far away from the water inflow pipe, of the metal pipe is communicated with an ice making room of the ice machine. The ice machine inflow water heating pipe is provided with the metal pipe, the heating wire and the insulation heat preservation protective jacket, single foaming of the heating pipe is not needed any more, dismounting and mounting are convenient, and fixation is firm. Compared with an existing foaming pipe, the heating pipe has the beneficial effects that the number of production technological steps is decreased, the heat efficiency of the heating pipe is improved, and the anti-freezing effect is good.

The invention relates to the technical field of gas sampling devices, and discloses a natural gas sampling device and a sampling method thereof. The natural gas sampling device comprises a gas collecting tube; a cover plate is fixedly mounted at the top of the gas collecting tube; the middle of the top of the cover plate is fixedly sleeved with a sealing ring; the interior of the sealing ring is movably sleeved with a connecting sleeve rod; a handle I is fixedly connected to the top of the connecting sleeve rod; a piston I is fixedly connected to the bottom of the handle I; the outer surface of the piston I is sleeved with a sealing rubber pad I; and the interior of the connecting sleeve rod is sleeved with a connecting rod. According to the natural gas sampling device and the sampling method, through the mutual cooperation of a plugging pad, a plug, a guide rod and a spring, the device is plugged, so that gas in the gas collecting tube can be prevented from flowing out through a connecting tube; and when the gas pressure inside the gas collecting tube is reduced, external gas pushes the plug to be open, so that the external gas enters the gas collecting tube through the plugging pad, and natural gas can be extracted conveniently.