46results about How to "Prevent accidental dislodgement" patented technology

The invention discloses a rapid inserting connector for an oil pipe. The rapid inserting connector comprises a first connector body, a second connector body and a clamping ring. The first connector body is of a cylindrical structure, and a step hole is formed along the axis of the first connector body, wherein the small-hole end of the step hole is matched with the second connector body, and the large-hole end of the step hole is matched with the clamping ring. The second connector body is of a cylindrical structure and comprises an oil pipe connecting part, a clamping and connecting part and an inserting and connecting part. The clamping ring is of a cylindrical structure and is inserted in the first connector body. The outer wall face of the clamping ring is matched with the inner wall face of the large-hole end of the first connector body, and the inner wall face of the clamping ring is matched with the outer wall face of the second connector body. According to the rapid inserting connector for the oil pipe, the mold manufacturing cost can be effectively reduced by simplifying the structure, and mounting and dismounting convenience is substantially improved. Meanwhile, the strength of the rapid inserting connector can be increased through the change of the structure, the fault rate of the rapid inserting connector for the oil pipe is greatly reduced, the work efficiency of the rapid inserting connector for the oil pipe is improved, and the service life of the rapid inserting connector for the oil pipe is prolonged.

The invention provides a 500kV transmission line overhead ground wire flight vehicle which comprises a vehicle frame. Two sets of elastic sliding mechanisms are arranged at the upper part of the vehicle frame. Each elastic sliding mechanism comprises a support rod. The lower part of each support rod is connected with the frame. A rotating plate is arranged at the upper part of each support rod, and the middle of the rotating plate is hinged with the support rod. Both sides of the rotating plate are provided with a rotating rod respectively. According to the invention, two sets of elastic sliding mechanisms are arranged; the pulley of each elastic sliding mechanism can slide with the wire ground wire of a transmission line to reduce the friction force with the wire during the working process; the middle of the vehicle frame is provided with a cross rod to fasten the flight vehicle; a base is arranged at the end part of the vehicle frame, and the vehicle frame is connected as a whole body; and vertical and horizontal tie restraint devices are arranged in the front of the cross rod and the base.

The invention relates to a lesion scraper for dermatology, and particularly relates to an easy-to-use lesion scraper for dermatology. The technical problem to be solved is to provide the easy-to-use lesion scraper for dermatology that can reduce the burden on the medical staff and save time and effort. The technical scheme is as follows: the easy-to-use lesion scraper for dermatology comprises a large rectangular plate, a large inverted T-shaped plate, a large roller, a rectangular sliding plate, a lifting plate, an inverted T-shaped disk, a large guide bar, a large spring, a movable block, and the like, wherein the large inverted T-shaped plate is connected to both ends of the bottom of the large rectangular plate, and the large roller is rotatably connected to the lower end of the largeinverted T-shaped plate. The easy-to-use lesion scraper for dermatology provided by the invention can support the hands of the medical staff, is beneficial to save the effort of the medical staff, reduces the burden on the medical staff, saves time and effort, is favorable for the treatment and rehabilitation of patients, and is simple in structure, easy to use and easy to produce and manufacture.

The invention relates to a nasal irrigator. The nasal irrigator comprises a water delivery device, a pumping device and a water blocking device; the water delivery device comprises a water deliveringdevice and a water delivering hose, wherein an outlet end of the water delivering device is connected with the rear end of the water delivering hose, and the front end of the water delivering hose isused for being inserted into the nasal cavity from the nostril at one side; the pumping device comprises a pumper and a pumping hose, wherein an inlet end of the pumper is connected with the rear endof the pumping hose, and the front end of the pumping hose is used for being inserted into the nasal cavity from the nostril at the other side; the water blocking device comprises a water blocker, a water blocking hose and a water blocking ball, wherein an outlet end of the water blocker is connected with the rear end of the water blocking hose, the front end of the water blocking hose is connected with the water blocking ball, a fluid medium is sealed in the water blocker, in the water blocking hose and in the water blocking ball separately, and the fluid medium can be driven to enter the water blocking ball by operating the water blocker, so that the water blocking ball swells to block the communication of the nasal cavity and the oral cavity. According to the nasal irrigator, by adopting the water delivering hose for water delivery, adopting the pumping hose for water extraction, and adopting the water blocking ball for blocking the joint of the nasal cavity and the oral cavity, thenasal cavity can be continuously cleaned, and the use is convenient.

The invention relates to a clamp for the CNC machining center of an aluminium profile, in particular to a multifunctional clamp for the CNC machining center of an aluminium profile, which can clamp aluminium profiles of different types and is wide in application range. The technical scheme adopted by the invention is that the multifunctional clamp for the CNC machining center of the aluminium profile comprises a base, a first large bolt, a second large bolt, a big bracket, large supporting plates, large rotating shafts, large bearings, overturning plates, first long screw rods, pressing plates, second long screw rods and the like; a first large through hole is formed in the left end of the base; and the first large bolt is positioned in the first large through hole. The multifunctional clamp for the CNC machining center of the aluminium profile, provided by the invention, can clamp aluminium profiles of different types, can incline the aluminium profiles of different types, facilitatescomplicated processing on the aluminium profiles, is diverse in function, and is wide in application range.

The invention proposes a monitoring electrical control cabinet for a rural sewage treatment facility. In the electrical control cabinet, a buffer mechanism is arranged and is used for developing a buffer effect on a cabinet door when the cabinet door is closed, fierce collision between a cabinet body and the cabinet door is prevented, so that the influence on electrical components when the cabinet door is closed is effectively reduced. The monitoring electrical control cabinet comprises the cabinet body, the cabinet door and the electrical components, wherein the electrical component are arranged in the cabinet body and on the cabinet door, one side of the cabinet body is hinged with the cabinet door, buffer mechanisms are arranged at an upper corner and a lower corner of the other side of the cabinet body, each buffer mechanism comprises an installation seat, a sleeve, a top rod and a buffer spring, the installation seat is fixed on the cabinet door, the sleeve is fixed on the installation seat, the top rod is movably arranged in the sleeve, the buffer spring provides an outward elastic force for the top rod, one end, far away from the buffer spring, of the top rod extends out of the sleeve under the effect of the buffer spring and also extends out of the cabinet body, a limitation bulge is arranged at one end, arranged in the sleeve, of the top rod, and a limiting baffle ring is arranged at an outer side of the sleeve and props against the limitation bulge so as to prevent the top rod separating from the sleeve.

The invention discloses a laparoscope casing. The laparoscope casing includes a casing body and a diameter changing mechanism which is arranged on the periphery of the casing body, the diameter changing mechanism includes an expansion part and a push-rod part, the expansion part includes a fixed ring, a sliding ring and a plurality of ribs, the ribs are arranged between the fixed ring and the sliding ring, the ribs are connected with the fixed ring and the sliding ring in a hinged mode, the fixed ring is fixed at the front end of the casing body, the sliding ring is connected with the push-rod part, and the sliding ring is driven by the push-rod part to slide along the periphery of the casing body to achieve expanding or shrinking of the ribs. The ribs are bendable ribs or two-or-more-section collapsible ribs. After the laparoscope casing is inserted into a body, the push-rod part is pushed to make the diameter changing mechanism expanded, a lantern-shaped expansion part or an inverted-cone-shaped platform expansion part is formed, and through the limiting and clamping of the push-rod part, automatic retraction of the expansion part can be avoided, so that the purpose is achieved that the laparoscope casing cannot slip out of the body. The laparoscope casing is of an integrated structure, external devices are not needed, a single person can conduct operation, and the laparoscope casing is convenient and practical.

The invention provides a quick connector for an industrial Ethernet, which is convenient and reliable to use. The quick connector comprises a bottom shell, an overturning cover and a PCB (Printed Circuit board) component and also comprises a connecting head, wherein the overturning cover is pivoted with the bottom shell; the PCB component is arranged in the bottom shell and the overturning cover; the connecting head is connected with the bottom shell; the cross section of the connecting head is a round with a gap; and the connecting head can rotate relative to the bottom shell. The quick connector provided by the invention has the advantages that the connecting head is connected with the bottom shell in a mode of rotating relative to the bottom shell, so that on one hand, the falling of the connecting head from the bottom shell can be prevented, and on the other hand, locked connection or loose disassembly of cables can be realized by simply rotating the connecting head. Therefore, the quick connector is reliable and fast.

The invention discloses a steam and dry iron evaporation cavity impurity collecting structure, and belongs to the field of steam and dry irons. According to the steam and dry iron evaporation cavity impurity collecting structure, a collecting box component comprises two lock pieces, each lock piece is provided with a lock tongue, the lock tongues on the two lock pieces are arranged back to back, a rear lid of an electric iron is provided with lock holes of which each lock hole is corresponding to each lock tongue, the two lock pieces are subject to reverse elastic forces so as to make the lock tongues stretch into corresponding lock holes respectively and lock the collecting box component on the rear lid, and the two lock pieces are subject to extrusion in opposite directions so as to make the lock pieces overcome the elastic forces and drop out corresponding lock holes respectively; the structure is simple, the assembling is reliable, the operation is convenient and fast, the collecting box component can be reliably restrained in an assembly position, and steam leakage caused by accidental prolapse of the collecting box component is avoided.

The invention provides tubular braid manufacturing equipment which is used for knitting multiple strands of yarns to obtain a tubular braid. The equipment comprises an annular frame body with a yarn guide ring, an upper frame portion extending along the edge of the upper side of the yarn guide ring and a lower frame portion extending along the edge of the lower side of the yarn guide ring, a braidguide barrel, a rotary part with a rotary disc arranged around the braid guide barrel and a matching part which is integrally formed together with the rotary disc and provided with a rotary gear, a driving part used for driving the rotary gear and driving the rotary disc to rotate, and a plurality of shuttles mounted in the annular frame body and used for loading and guiding yarns as wefts, wherein the upper frame portion is provided with an upper guide groove extending along the edge of the yarn guide ring, the lower frame portion is provided with a lower guide groove extending along the edge of the yarn guide ring, the rotary disc is provided with a shuttle pushing wheel and a yarn dividing plate wheel, the shuttles are arranged between the shuttle pushing wheel and a yarn dividing plate, are accommodated in the annular frame body and are embedded into the upper guide groove and the lower guide groove, and the number of the shuttles is changed to be two, four or six according to theknitting requirements.

A surgery apparatus includes a resilient foam pillow having an arrangement of labeled tabs for holding lines leading to / from a patient during and after surgery. A central cutout area in the pillow accommodates the patient's eyes, nose and mouth when in the prone position. Left and right channels in the foam pillow extend from a top edge of the pillow to the central cutout area for holding a breathing tube system. The foam pillow further includes a removably attachable chest support and opposite shoulder supports. A multipurpose holder device for placement on the patient's head has an arrangement of straps for securing an eye shield, a bite block and ventilator tube securing straps on the patient during surgery.

The invention provides a trachea casing pipe. The trachea casing pipe includes a flange plate and a fixing structure, wherein the flange plate includes a flange plate body and two extension parts, the fixing structure includes two parallel fixing straps, and the two parallel fixing straps are connected with the two extension parts respectively and used for fixing the extension parts and further fixing the trachea casing pipe. According to the trachea casing pipe, a person can fully nurse skin around a trachea incision without pulling out the trachea casing pipe, and when throat-mat replacement, auxiliary-material replacement and other operation are conducted on a patient, it is only required to successively lift the flange plate; because the fixing straps remain connected with and fix the trachea casing pipe all the time, the shifting and slipping off of the trachea casing pipe are not caused, the safety is ensured, the operation is convenient, the time and labor are saved, and the workload of nurses is reduced; meanwhile, the trachea casing pipe cannot overly stimulate the cough reflex and the like of the patient, the pain of the patient is reduced, and the comfort of the patient is improved.

The invention provides a mold device for regeneration molding of plastic particles, comprising: a mold device, an upper mold base, a lifting rod, a template and a lower mold base; a working cavity is arranged inside the mold device, and a lifting rod is fixedly connected to the bottom of the mold device , the upper mold base is embedded with a feed port, and the conveyor belt is used to drive the plastic particles to move. When the particles are close to the three sensors, the color of the particles is detected by the sensors, so that different sensors and solenoid valves are used to control different cylinders. Drive the corresponding cylinder and connecting rod to push the particles into the corresponding collection box, which can effectively separate the plastic particles of different colors, and fix the particles through the curved plate on the connecting rod. When the plastic particles are fixed on the curved plate Under the action of gravity, the movable block moves to the left, and at the same time drives the movable rod to protrude to the inner side of the arc plate to fasten the plastic particles, which is convenient for clamping the plastic particles and prevents the plastic particles from accidentally falling out when moving.

The invention provides a quick connector for an industrial Ethernet, which is convenient and reliable to use. The quick connector comprises a bottom shell, an overturning cover and a PCB (Printed Circuit board) component and also comprises a connecting head, wherein the overturning cover is pivoted with the bottom shell; the PCB component is arranged in the bottom shell and the overturning cover; the connecting head is connected with the bottom shell; the cross section of the connecting head is a round with a gap; and the connecting head can rotate relative to the bottom shell. The quick connector provided by the invention has the advantages that the connecting head is connected with the bottom shell in a mode of rotating relative to the bottom shell, so that on one hand, the falling of the connecting head from the bottom shell can be prevented, and on the other hand, locked connection or loose disassembly of cables can be realized by simply rotating the connecting head. Therefore, the quick connector is reliable and fast.

The invention provides a power battery cover plate and a power battery using the same. The power battery cover plate comprises a cover plate base body with a pole column unit, wherein the pole column unit comprises a pole column base and a pole column body; the pole column base is in sealing and blocking fit with the lower side surface of the cover plate base body by a center sealing ring; the pole column body is arranged on the pole column base; the pole column body is provided with a penetrating section which can penetrate out of a pole column hole in the upper edge of the cover plate base body and extend in the up-down direction; the outer periphery surface of the penetrating section is provided with a blocking slot extending or distributed around the pole column body; a lifting piece which is in blocking fit with the upper side surface of the cover plate base body is arranged outside the penetrating section in a sleeving manner; elastic inverted pokes are arranged on the lifting piece, and the elastic inverted pokes extend along the radial direction of the pole column body, and upwards turnover to be inserted into the blocking slot so as to lift upwards the pole column unit. According to the power battery cover plate and the power battery using the same, the assembling process is fast, easy and convenient, the lifting piece is simple in manufacture technique, and the whole design and manufacture cost is relatively reduced.

The invention discloses a rotor shaft provided with a reinforcement sleeve for stable connection. The rotor shaft comprises a shaft body, an impeller and the reinforcement sleeve. One end of the shaftbody is connected with the impeller. A hole allowing the shaft body to be led in is formed in the center of one end of the impeller. The reinforcement sleeve is arranged at one end of the impeller. An opening allowing the shaft body to be inserted is formed in the center of the reinforcement sleeve. One end of the shaft body is led in the hole of the impeller through the opening of the reinforcement sleeve to be fixed. Multiple threaded holes are formed in the reinforcement sleeve and are annularly arrayed around the axis of the reinforcement sleeve. Tightening bolts are led in the multiple threaded holes correspondingly. The tightening bolts abut against the outer wall of the shaft body after being led in the threaded holes. Multiple oil filler holes are further formed in the reinforcement sleeve. By means of the manner mentioned above, the connection position of the shaft body and the impeller can be reinforced, it is avoided that the shaft body and the impeller slip out by accident, and the oil filler holes are formed so that a lubrication effect can be achieved.

The invention discloses a snap joint which comprises a snap joint base and a supporting block. Extending parts are oppositely arranged at at least one end of the snap joint base, each extending part is provided with a clamped connection part connected with a connected piece in a clamped manner, the supporting block can move relative to the snap joint base to the opening position and the closing position, the extending parts elastically deform to drive the maximum displacement of the clamped connection part to be not smaller than the separating displacement of the clamped connection part and the connected piece when the supporting block is located at the opening position, the supporting block can be locked to the closing position, and the extending parts elastically deform to drive the maximum displacement of the clamped connection part to be smaller than the separating displacement of the clamped connection part and the connected piece. The snap joint is used, the structure is simple,and mounting and demounting are easy. Meanwhile, in the installing state, the supporting block can be locked to the closing position, accidental separation of the clamped connection part is effectively prevented, and the connecting strength of the snap joint is improved. The invention further discloses a ceiling type air conditioner with the above snap joint.

The invention discloses a detachable corn tooth zipper . The detachable corn tooth zipper comprises two zipper belts and a zipper head, the two zipper belts comprise a left zipper belt and a right zipper belt, zipper tooth rows are arranged on one sides of the zipper belts, and the zipper tooth rows of the left zipper belt and the right zipper belt are arranged in a staggered mode and controlled to be buckled or separated through the zipper head. The zipper further comprises an elastic buffer part and an auxiliary connecting belt, one side of the elastic buffer part is connected with the side, back to the zipper tooth row, of the zipper belt through a first suture line and a second suture line, an open groove is formed in the side, facing the zipper tooth row, of the zipper belt, and the first suture line and the second suture line are distributed on the two sides of the open groove. And the other side of the elastic buffer part is connected with an auxiliary connecting band through a third suture line. When the zipper head is damaged, the upper stop or lower stop structure can not be damaged, and the zipper head can be taken out from the slotting position and replaced. In the normal use process, a reinforcing locking part can prevent the opening of the open groove from expanding outwards, and the zipper head can be prevented from being accidentally disengaged.

The invention relates to the technical field of ship lifting, and discloses an accessory spraying device for a ship deck lifting mechanism. The accessory spraying device comprises a purification bin;a purification plate is fixedly installed at the bottom of an inner cavity of the purification bin; a release end is fixedly installed at the portion, below the purification plate, at the bottom of the inner cavity of the purification bin; a power module is fixedly connected to the middle of the inner cavity of the purification bin; rotating shafts are respectively and rotatably connected to the left end and right end of the power module; the portions, in the inner cavity, of the rotating shafts are fixedly sleeved with rotating blades; and the left end and right end of the purification bin are each fixedly connected with an air disc sleeving the corresponding rotating shaft. According to the accessory spraying device for the ship deck lifting mechanism, the rotating shafts drive telescopic columns to rotate, arc-shaped propping plates and fastening strips are made to lock an accessory under the action of centrifugal force, and the accessory is automatically vibrated to shake off dustin the initial fixing stage, so that the accessory is stably and automatically fixed, the spraying quality is effectively improved, and the safety of the spraying environment is guaranteed.

The invention discloses a memory hemostatic clip and distraction-type clamping dual-purpose clip applier and a clip holder. The memory hemostatic clamp comprises two clamping arms with automatic clamping elasticity, the two clamping arms are in a clamping state; the holder is used for storing the memory hemostatic clip; the distraction-type clamping dual-purpose clip applier comprises a clip opening and closing device and a handle assembly, the forceps holder opening and closing device is in transmission connection with the handle assembly; the normal state of the forceps clip opening and closing device is a closed state, the handle assembly comprises a driving handle, when the driving handle is pulled, the clip opening and closing device is opened to take down the memory hemostatic clip from the clip holder, and when the target tissue is clamped, the driving handle is loosened, and the memory hemostatic clip clamps the target tissue under the action of the elasticity of the memory hemostatic clip and the closing restoring force of the clip opening and closing device. The product has the dual-purpose integrated function of clip applying and clip taking, the hemostatic clip does notneed to be cut off through a secondary repair operation, mechanical damage and injuries are avoided, and the product is safer and high in efficiency.

The invention discloses an inserting-connecting assembly for overvoltage protection. The inserting-connecting assembly comprises a seat body and a plugging module, wherein a U-shaped groove for containing the plugging module is formed in the seat body; a stop part is arranged on the side wall of the U-shaped groove of the seat body; an elastic part is arranged on the wall surface, corresponding tothe side wall of the U-shaped groove, of the plugging module; and a clamping part clamped with the stop part is arranged in the middle area of the elastic part, and the middle area of the elastic part is concaved and elastically deformed towards the interior of the plugging module so as to drive the clamping part to be tripped from the stop part. According to the inserting-connecting assembly, the connection of the seat body and the plugging module can be reliably realized, the operation is convenient, fast and labor-saving, the connection reliability is high, the stability is high, the accidental disengagement of the plugging module from the seat body is effectively avoided, a stable overvoltage protection effect is achieved, the use safety is improved, the structure is simple and compact, the manufacturing is convenient, the cost is low, and the service life is long.

The invention relates to a pay-off retainer. The pay-off retainer comprises an operation box, a pay-off part and a tension control part, wherein the pay-off part comprises a pay-off spool and a braking mechanism, the top of the pay-off spool is provided with a wire supporting cylinder, the bottom of the pay-off spool is connected with a rotating shaft, the braking mechanism is arranged on the rotating shaft, the braking mechanism comprises a brake drum, a brake block, a return spring and a brake rib, the tension control part is arranged on an operation door, the tension control part comprisesa control spring, a pay-off pulley block, a connecting rod mechanism and a limiting handle, one end of the control spring is fixedly connected with the operation door, the other end of the control spring is connected with the brake rib of the braking mechanism, the pay-off pulley block comprises a first force bearing pulley, a second force bearing pulley and a sensing pulley, the first force bearing pulley and the second force bearing pulley are fixed at the inner end and outer end of the inner side face of the operation door respectively, and the sensing pulley is slidably arranged in a vertical sliding groove in the inner side face of the operation door through a sliding block; the connecting rod mechanism comprises a sensing rod, a linkage rod and a control rod, and a control handle isrotatably connected to the operation door through a mounting end.

The invention discloses a door lock structure and a garbage compression box. According to the door lock structure and the garbage compression box, enough locking force can be provided to guarantee the sealing effect of the front door and the box body, and the door lock structure and the garbage compression box have the advantage of being convenient to operate. The door lock structure comprises a lever and a hinged support; the extending direction of the lever is perpendicular to the rotating axis of a door plate needing to be locked, one end of the lever is a hooking locking end, and the other end of the lever is an operation unlocking end; the hinged support is used for assembling the lever, is mounted on the door plate during use, and is positioned on one side opposite to the rotating axis of the door plate; the door lock structure further comprises a first locking structure and a second locking structure; the second locking structure is used for being in stop fit with a hooking locking end of the lever, the first locking structure is used for being in stop fit with an operation unlocking end of the lever and keeping the hooking locking end locked with the second locking structure; the distance between the matching position of the first unlocking structure and the operation unlocking end and the axis of the lever is larger than the distance between the matching position of the second unlocking structure and the hooking unlocking end and the axis of the lever.

The invention relates to a fixture for an aluminum profile numerical control machining center, in particular to a multifunctional fixture for an aluminum profile numerical control machining center. The object of the present invention is to provide a multi-functional clamp for aluminum profile numerical control machining centers which can clamp different types of aluminum profiles and has a wide range of applications. The technical solution is: a multifunctional fixture for aluminum profile CNC machining centers, including a base, a first large bolt, a second large bolt, a large bracket, a large support plate, a large rotating shaft, a large bearing, a flip plate, a A long screw rod, a pressure plate, a second long screw rod, etc.; the left end of the base has a first large through hole, and the first large bolt is located in the first large through hole. A multifunctional fixture for aluminum profile CNC machining center provided by the present invention can clamp different types of aluminum profiles and can tilt different types of aluminum profiles to facilitate complex processing of aluminum profiles. Diverse and wide range of applications.

The invention discloses a grabbing beam fall prevention locking device and a locking method. The grabbing beam fall prevention locking device comprises a limiting frame, a fixed frame, a rolling mechanism, a bearing pedestal, a limiting mechanism and a locking mechanism, wherein the bearing pedestal is connected with the limiting frame and the fixed frame; the rolling mechanism passes through thelimiting frame and the fixed frame and is cooperated with the bearing pedestal in a rolling manner; the limiting mechanism is connected with the limiting frame in an inserting manner and is cooperated with the rolling mechanism and the locking mechanism; the locking mechanism vertically slides along the limiting frame in a cooperative manner; and the rolling of the rolling mechanism is limited through the cooperation of the limiting mechanism and the locking mechanism. The grabbing beam fall prevention locking device overcomes the problem that a potential safety hazard is existed because a lifting hook is easily unhooked in the lifting and descending process of an original grabbing beam, is simple in structure, locks the rolling mechanism when lifting the door, locks the rolling mechanismin descending door earlier stage, unlocks the rolling mechanism when a gate is descended to a bottom sill, and then unlocks the lifting hook of the grabbing beam to avoid the accidental release of the lifting hook, and has the characteristics of being safe and reliable, and simple and convenience in operation.

The invention relates to a spring pin for electric power fittings which is convenient for robot maintenance work, belongs to the technical field of electric power fittings, and is an integral structure comprising a pin segment, a spring segment and a connecting segment. The pin section is pinned with the bolt, and the connecting section is fixedly connected with the nut, so that the nut can be prevented from retreating and limited along the circumferential direction relative to the bolt, ensuring reliable withdrawal and limiting. The spring segment has a cylindrical helical structure, and the screw rod surrounding the bolt is opposite to the external thread of the bolt and has elasticity, so that the nut can automatically adapt to the installation position of the bolt. There is a gap between the spring segment and the screw rod of the bolt to avoid wear. During installation, the pin section abuts the external thread of the bolt, and rotates through the nut to automatically enter the pin hole of the bolt, which facilitates robot maintenance operations and improves the safety and reliability of assembly, disassembly and maintenance operations. It is easy and convenient to effectively avoid falling objects and operating errors.

The invention discloses an imaging device comprising a machine body, a battery containing slot arranged on the machine body, a battery contained in the battery containing slot and a battery fixing device, wherein, the machine body comprises a containing hole and a stop dog arranged on the edge of the containing hole; the battery fixing device comprises a clamping part clamping the battery, an abutting part, a body part and an elastic element, wherein, the abutting part is far away from the clamping part, extends in order and is matched with the stop dog, the body part is contained in the bodypart, and the elastic element is sheathed on the body part; the body part comprises a pillar body part and a lug vertical to the pillar body; the elastic element comprises a first end and a second end, wherein, the first end abuts against the lug, and the second end is tightly contained in the containing hole; when the abutting part abuts against the stop dog, the clamping part tightly clamps thebattery, and the clamping part releases the battery when the abutting part is separated from the stop dog; The imaging device utilizes the clamping part of the battery fixing part to fix the battery in the imaging device to prevent the battery from separating, and the abutting part is matched with the stop dog to prevent the clamping part from excessively rotating, which prevents the battery fixing device from being damaged due to error operating when the battery is taken out.