1015 results about "Traction cord" patented technology

An emergency parachute 1 comprises an umbrellalike body 10 which has an outer cloth 11 and an inner cloth 12 and is formed as a bag, an inflator 15 which is inserted in an opening part 121 of the inner cloth 12 and fills a gas into the umbrellalike body 10, a suspension band 16 which holds a person, and a rope set 17 which couples the umbrellalike body 10 and the suspension band 16. The outer cloth 11 and the inner cloth 12 of the umbrellalike body 10 are coupled by a plurality of coupling cords 14, and when the gas is filled, the outer cloth 11 and the inner cloth 12 generate curved surfaces toward the same direction. Also the inflator 15 ignites an ignition device by pulling a tractive cord 30, and a gas producing agent within a gas producing chamber explodes and the gas is jetted from a jet.

An elevator arrangement, includes an elevator hoistway, an elevator car, which is arranged to travel in the elevator hoistway, a counterweight, a movable supporting platform above the elevator car, suspension roping, which is connected to the elevator car and to the counterweight, and supports them while suspended from the supporting platform, and a hoisting machine, which includes a device configured to move the roping. The elevator arrangement also includes a hoisting machine and traction roping that are separate from the supporting platform, which hoisting machine is in power transmission connection via the traction roping with the elevator car and with the counterweight.

The present invention relates to a limiting mechanism for lifting and lowering a blind. The limiting mechanism includes a carrier; a resilient unit movably disposed at an end of the carrier; a recoiling roller movably disposed in the carrier and positioned proximate to the resilient unit; and a tractional unit movably disposed in the carrier and driven by the recoiling roller. The limiting mechanism is integrated into a blind body when in use, so as for a shade to be lifted or lowered when an external force is exerted thereon by a user, wherein the lifting or lowering of the shade is effectuated by the resilient unit, the recoiling roller, and the tractional unit in conjunction with the external force exerted by the user, so as to dispense with a tractional cord and enhance ease of use and use safety.

A turtle robot comprises a main body (200), wherein a flexible neck device (100) is arranged at one end of the main body (200) and comprises a neck main body (10) and a drive part (20) for driving a neck to stretch out, draw back and turn; the neck main body comprises at least three springs (11) arranged along the axis direction of the neck; the drive part comprises drive groups (21) for respectively controlling the respective springs (11) by respective traction ropes (14). The flexible neck is flexible to move, thus rapid motion of the robot is realized easily and the problem of inadequate driving capacity is solved effectively; the flexible neck easily realizes stretching, shrinkage, leftward bending and rightward bending motions and has extremely high motion flexibility.

The invention discloses a chip heat dissipation structure in a voice recognition device. The chip heat dissipation structure comprises a shell, the upper surface of the outer wall of the shell is fixedly connected with a first fixing rod, and the top end of the first fixing rod is fixedly connected with the lower surface of a first driving device. The first driving device is meshed with a gear rod, and the bottom end of the gear rod is fixedly connected with the top end of a slide bar, a sliding sleeve is connected to the outer wall of the slide bar in a sleeved mode, the sliding sleeve is clamped on the upper surface of the outer wall of the shell, the bottom end of the sliding rod is fixedly connected with a first movable plate, and a first sliding block is fixedly connected to the leftside surface and the right side surface of the first movable plate. The chip heat dissipation structure in the voice recognition device is characterized in that a second motor, a third motor, a turntable, a pin shaft, a traction rope, a second movable plate, a spring and a telescopic rod work jointly, so that the heat dissipation of the chip body is realized, the situation that a chip body is damaged due to heating is avoided, and the service life of the chip body is guaranteed.

An apparatus for controlling the movement of an animal, such as a pet dog, using an integral collar and self-retracting leash apparatus. According to the invention, an elastomeric cord is attached to a strap, which is adapted to be secured around the neck of an animal. In the preferred embodiment of the invention, the strap encloses the fixed end of the elastomeric cord, which is attached to an anchor located near the first end of the strap. The cord extends from the anchor in a direction substantially parallel to the longitudinal axis of the strap and passes around about 180° of a pulley or spool located near the second end of the strap. The cord then extends from the pulley in a direction substantially parallel to the longitudinal axis of the strap to an opening located near the first end of the strap. The free end of the cord passes through the opening in the strap. A handle is attached to the free end of the cord to prevent the free end from retracting through the opening into the enclosed area of the strap and to allow the user to easily grasp the cord to control the movement of the animal.

A drive device (42), a traction sheave (41) and a weight-side stop portion (46) are arranged above one (21L) of a pair of left and right cage-side guide rails and a cage-side stop portion (44) and speed governor (47) are arranged above the other (21R) cage-side guide rail. Also a wide workspace can be guaranteed in the middle of the floor (31) of the machinery chamber (30), since the control panel (48) is arranged along the middle of the inside wall surface (37) of the front face of the machinery chamber (30). Furthermore, provision of an additional supporting beam mounted in the building is unnecessary, since the machine beam (53) can extend fully in the forwards / rearwards direction in the interior of the machinery chamber (30).

The invention discloses a device and method for self-traction winding a high-voltage line on a single traction rope. The device is provided with a base plate, wherein two suspension wheels are symmetrically arranged on the base plate, a first motor is arranged corresponding to each suspension wheel, and the first motors are used for driving the corresponding suspension wheels to rotate; and the suspension wheels are used for winding and unwinding a sling, and the sling is used for hanging a single traction rope lifting platform device on a cable. According to the device and method for self-traction winding the high-voltage line on the single traction rope, due to the fact that the two suspension wheels are adopted for carrying out winding work on the sling, the whole structure is light, the device is particularly suitable for operation of small workload such as cleaning operation on the cable in the maintenance process, and the operation is easier.

The invention discloses a venetian blind lifting traction rope retracting and releasing device of an insulating glass built-in louver. The insulating glass built-in louver comprises a window body, front glass, rear glass, middle glass, an inner control mechanism, an outer control mechanism, a venetian blind, an overturning shaft drive mechanism and a traction tooth band expanding mechanism. The window body is formed by connecting a left longitudinal frame strip, a right longitudinal frame strip, an upper transverse frame strip and a lower transverse frame strip. The venetian blind lifting traction rope retracting and releasing device comprises a left traction rope winding roller bearing seat, a right traction rope winding roller bearing seat, a left traction rope winding roller, a right traction rope winding roller and an overturning shaft. The left traction rope winding roller bearing seat is arranged at the left end of the upper transverse frame strip, the right traction rope windingroller bearing seat is arranged at the right end of the upper transverse frame strip. The left traction rope winding roller is supported to the left traction rope winding roller bearing seat, and theright traction rope winding roller is supported to the right traction rope winding roller bearing seat. The right end of the overturning shaft extends to the right side of the right traction rope winding roller bearing seat, and is connected with the overturning shaft drive mechanism. The venetian blind is connected with the left and right traction rope winding rollers. The service life of a traction rope is long; and lifting stability is good and operation is easy.

The invention discloses a control method for detection of broken wires of an elevator traction rope. The control method comprises the following steps of enabling a traction rope wire breaking detection device to detect the wire breaking condition of the traction rope in real time, and send a detection signal to an elevator control cabinet in real time, and enabling a memory in the elevator control cabinet to receive and record the number of broken wires of the traction rope and the detection time corresponding to each broken wire; meanwhile, according to the detection time, enabling the elevator control cabinet to read the car position information which is recorded in the control cabinet in real time, and write into the memory, so as to record the accurate position of each broken wire of the traction rope; according to the number of broken wires of the traction rope and the broken wire positions which are recorded in the memory, enabling the elevator control cabinet to automatically calculate the number of broken wires in the specified length of the traction rope, and judging if the number of broken wires in the specified length of the traction rope exceeds the preset threshold value; finally, executing the corresponding operation according to the judging results. The method has the advantages that the maintenance difficulty and the labor cost of the elevator are reduced, the use safety of the traction rope is provided, and the reliable running of the elevator is ensured.

The invention discloses a rehabilitation training device for the neurology department. Leg muscles can be effectively exercised through an arranged leg rehabilitation mechanism, and a force adjusting cylinder, a force adjusting rod and a force adjusting disc are arranged in the leg rehabilitation mechanism, so that medical staff can conveniently adjust force according to the conditions of different people; a limiting insertion rod arranged at the bottom of a fixing plate is matched with a limiting insertion hole formed in the base, so that users with different leg lengths can conveniently adjust the device; an angle adjusting device is further arranged between a pedal plate and a connecting block, so that the inclination angle of the pedal plate can be conveniently adjusted when people with different heights step on the pedal plate; through the arranged arm rehabilitation mechanism, the arm strength of the patient can be effectively exercised; a pulling rope is adjusted through the arranged pulling rope adjusting mechanism, so that the height of a hand ring is adjusted, and people with different arm lengths can hold the hand ring conveniently; and through an arranged seat mechanism, the seat can be conveniently adjusted by different people.

The invention discloses a dismountable-conveniently spraying box for an unmanned machine, which comprises an unmanned machine main body; the lower surface of the unmanned machine is fixedly connectedwith the upper surface of a fixing plate, and the lower surface of the fixing plate is provided with a chute; the left and right side faces of the inner wall of the chute are fixedly connected with both ends of a slide rod, and the outer surface of the slide rod is sleeved with a slide sleeve; the lower surface of the slide sleeve is fixedly connected to the upper surface of a first supporting plate, and the left side face of the first supporting plate is fixedly connected to the right side face of the baffle through a flexible device; the upper surface of the baffle is fixedly connected withthe lower surface of the fixing plate, and the lower surface of the baffle is overlapped with the upper surface of the spraying box main body. Through the cooperation of the control panel, the flexible pillar, the first motor, a thread pillar, a thread cap, the first supporting plate, a buckle plate, a buckle slot, a second motor, a coiling disk and a traction rope, people can take off the spraying box main body, fill drugs and clean the spraying box main body conveniently.

The invention relates to a safe traction system of an inclined-shaft concrete lining construction transportation trolley and overcomes the problem that a safe transportation trolley is low in safety factor. The safety traction system comprises a main control cabinet (19), a concrete lining slip form trolley (2) and a transportation trolley body (11). Two traction wire ropes (8-1 and 8-2) are led out from two barrels of a coaxial double-barrel hoist (5) on the transportation trolley body (11) and respectively fixed above automatic balance oil cylinders (10-1 and 10-2) of the trolley body (11) through a traction rope overload alarm device (7), and a rubber tube (10-3) is communicated between hydraulic oil chambers of the two oil cylinders; the main control cabinet (19) is electrically connected with the traction rope overload alarm device (7), a laser ranging alarm apparatus (15), the coaxial double-barrel hoist (5) and a handheld wireless remote control scram controller (17).

The invention discloses lining plastic pipe manufacturing equipment and method. The lining plastic pipe manufacturing equipment comprises a rack, a positioning mechanism, a hole shrinkage mechanism, afixing mechanism and a traction mechanism, the positioning mechanism, the hole shrinkage mechanism, the fixing mechanism and the traction mechanism are arranged on the rack, the positioning mechanismis used for supporting and stabilizing a plastic pipe, and the fixing mechanism is used for fixedly installing a lining steel pipe on the rack. The plastic pipe, the hole shrinkage mechanism and thelining steel pipe are positioned on the same horizontal line. The traction mechanism comprises a traction clamp, a traction rope, a fixed pulley assembly and a winch, the traction clamp is fixedly assembled on an end opening of one end of the plastic pipe, one end of the traction rope is fixedly connected with the traction clamp, and the other end of the traction rope sequentially penetrates through the hole shrinkage mechanism and the inner space of the lining steel pipe and then passes around the fixed pulley assembly to be connected with the winch. According to the manufacturing equipment,the integrated design of the hole shrinkage mechanism and the traction mechanism is adopted, the functions of the hole shrinkage mechanism and the traction mechanism are integrated, the problems thatafter hole shrinkage, the plastic pipe rebounds fast, and consequently penetration and insertion are inconvenient are solved, and thus construction becomes convenient, rapid and simple.

The invention discloses a full-automatic unmanned salving vessel. The full-automatic unmanned salving vessel comprises a vessel body, a turnover cover assembly, a traction assembly and a remote control. The remote control remotely controls the vessel body to run, the turnover cover assembly comprises a turnover cover, an air bag and an inflator pump, the inflator pump receives an instruction of the remote control to conduct air inflation, an arrangement groove is formed in the tail end of the vessel body, and the front end of the arrangement groove is in an arc shape; the turnover cover with one end being in an arc shape is in a straight plate shape, the turnover cover is located at the arrangement groove, and the rear end of the turnover cover is movably connected to the rear side of thearrangement groove; the air bag is connected to the inner side face of the turnover cover, and located in the arrangement groove, an air inflation port of the inflator pump is connected with an air inlet hole of the air bag, and the traction assembly comprises a U-shaped clamp hoop and a traction rope; and the two ends of the U-shaped clamp hoop are connected to the inner end face of one side of the tail of the vessel body, the traction rope is arranged on the outer surface of the turnover cover in a circling mode, a hook is arranged at one end of the traction rope, and the hook is connected to the U-shaped clamp hoop in a hung mode. According to the full-automatic unmanned salving vessel, operation is convenient, the salving time is saved, and the salving safety is improved.

The invention discloses a waist training recovering device based on rope traction. The waist training recovering device comprises a stander, wherein a lifting device is mounted at the lower end of thestander, a lower-limb fixing device is mounted on the upper surface of the lifting device, symmetric weight-reducing driving mechanisms are mounted on a top beam of the stander, traction ropes are connected to the tail ends of the symmetric weight-reducing driving mechanisms, and a load-bearing waistcoat is connected to the tail ends of the traction ropes; and the weight-reducing driving mechanisms can move on the top beam to adjust the degrees of tightness of the traction ropes, a lap belt winds the periphery the lower end of the load-bearing waistcoat by one cycle, corresponding waist driving mechanisms are connected to four corners of the lap belt through connecting ropes and are glidingly mounted on a transverse rod in the middle of the stander, and the waist is driven to rotate by adjusting the length of the connecting ropes. By utilizing a flexible rope driving manner, the mass of a mechanical structure of a robot system is reduced, the problem that a physical system is poor inflexibility is solved, the training safety, comfort and flexibility of a patient are guaranteed, and secondary injury of the patient is prevented during rehabilitation training.

The invention discloses a fruit picking and receiving device which comprises a support tube, a picking head, a manipulator, a traction rope and a net bag, wherein the support tube is formed by connecting at least two tube elements in a retractable mode; the picking head is arranged on one end of the support tube, and comprises a fixed knife and a rotary knife; the rotary knife is hinged to the fixed knife to form a pair of scissors, and the scissors are provided with a reset spring; the manipulator is arranged on the other end of the support tube, and comprises a fixed handle and a rotary handle; one end of the rotary handle is hinged to the fixed handle; the traction rope penetrates through the inside of the support tube, and both ends are respectively fixedly connected to the rotary knife and the rotary handle; the net bag is arranged on the support tube in the position adjacent to the picking head; and the opening of the net bag is positioned on the side of the cutting edges of the scissors. The fruit picking and receiving device can be used for safely and quickly picking fruits in higher positions.

A buffer device for vehicle seat belt includes a housing having two inside racks, a roller assembly, which has a roller and two gearwheels fixedly provided at the ends of the roller and meshed with the racks for guiding rotation of the roller along the racks, a traction cord member, which has a first end connected to the roller and is pullable by the seat belt such that the roller is forced to rotate along the racks to roll up the traction cord member when the seat belt is stretched to pull the roller upon an impact force, and a spring member connected between the housing and the roller for rebounding the roller to a former position.

The invention discloses a railway snow fence based on buffer limiting assemblies, and relates to the technical field of snow fences. The railway snow fence comprises supporting columns, and first fixing rings are fixed to the tops of the outer sides of the supporting columns. A traction rope is fixed to one end of each first fixing ring, a chain is fixed to the bottom of the traction rope, a gearis engaged with the interior of the chain, a moving rod is fixed to the other end of the chain, a second fixing ring is slidably connected with the outer side of the moving rod, a first rigid spring is welded to the other end of the second fixing ring, and a moving ring is welded to the other end of the first rigid spring. According to the invention, the second rigid spring and the first rigid spring are installed; the supporting columns are fixed, the shaking amplitude of the supporting columns is reduced, device damage caused by shaking of the supporting columns is reduced, through movementof clamping blocks in a fixing frame, movable blocks can be conveniently disassembled, the movable blocks can be more conveniently disassembled, and then a protective net can be more conveniently replaced.

The invention provides an operation electrocoagulation hook which comprises an electric hook body, a control mechanism, a transmission connecting part, a first traction rope and a wire cylinder, wherein the electric hook body is connected with the transmission connecting part; a guide wheel mechanism is arranged on the wire cylinder; one end of the first traction rope is connected with the transmission connecting part; and the other end of the first traction rope bypasses the guide wheel mechanism and is connected with a first control wheel assembly of the control mechanism. The operation electrocoagulation hook has the beneficial effects that the electric hook body is driven on the basis of the transmission connecting part, and the guide wheel mechanism which is capable of achieving gooddriving can be arranged at a rear part as much as possible according to practical situations, that is, is far away from the electric hook body as much as possible, thereof, the diameter of a guide wheel in the guide wheel mechanism can be increased correspondingly, and the service life of a rope structure can be prolonged; because of the arrangement mode of the guide wheel mechanism, an operationpart can be prevented from interference in operation, then damage can be reduced, convenience can be brought to operations, and the service life of the operation electrocoagulation hook can be prolonged as a whole.

The invention discloses a walking assisting device for body building. The walking assisting device comprises a mobile support arranged at the bottom, wherein the front and rear sides of the movable support are respectively connected with a front roller and a rear roller; a backrest mechanism, a supporting mechanism and a footrest mechanism are separately arranged on the movable support; the supporting mechanism is rotatably connected with the movable support; the backrest mechanism is connected to the rear end of the supporting mechanism; the footrest mechanism is fixedly connected to the front side of the movable support; and the backrest mechanism and the supporting mechanism are cooperatively rotated to certain positions so as to realize a lying posture state or a standing assisting state. The walking assisting device is reasonable and compact in structure; a sitting posture state and the lying posture state are realized through the running fit of the backrest mechanism and the supporting mechanism; the backrest mechanism and the supporting mechanism rotate by a certain angle to produce standing assisting effect and help a user to stand; a sliding rack on a backrest support is matched with a traction rope and a pull handle and can be used for bodybuilding, and massage balls are used for massaging the back; so the device meets the requirements for bodybuilding and walking assisting, and is good in use effect and beneficial for promotion.

The invention discloses a pet accompany robot for replacing an owner to walk a dog. The robot comprises a machine body, wherein a central column is arranged at the lower end of the machine body; an I-shaped plate is rotationally connected with the central column; lifting rods are respectively connected with four corners of the I-shaped plate in a sliding manner; and walking components are arrangedon the lifting rods. The equipment is capable of moving along with the dog through a climbing and translational crawler-type walking component, and meanwhile, the structure is arranged and connectedcoaxially with a traction rope, so that the walking structure is parallel to a walking direction of the dot constantly; due to a camera recording mode, the security of the dog moving on a road can beprotected, dog excrement can be cleaned, and the environment can be protected; and in addition, the traction rope is partially connected with a switch structure for switching modes, and meanwhile, according to connection states of a gear pair structure, free switching of modes of playing and dog walking can be achieved.

The invention discloses an unmanned aerial vehicle water body fixed-point sampling device, and belongs to the technical field of water quality monitoring. The unmanned aerial vehicle water body fixed-point sampling device comprises an unmanned aerial vehicle body and a sampler, wherein the sampler comprises a sampling bottle and a bottle sleeve, the bottle sleeve is connected with the unmanned aerial vehicle body through a traction rope, a bottle cap pulled by a floating ball is arranged at the bottle opening of the sampling bottle, the floating ball is connected with the bottle cap through aconnecting wire, the length of the connecting wire is equal to the sampling depth of the sampling bottle, a reset mechanism is further installed on the bottle cap, and the bottle cap covers the bottleopening through the reset mechanism after the sampling bottle is filled. According to the invention, the floating ball pulls the bottle cap of the sampling bottle to be opened, so that the sampling bottle can start to contain water; the connecting wire of the floating ball is the sampling depth, so that fixed-point sampling is achieved; and the bottle cap is provided with the reset mechanism, andafter a water sample is taken, the reset mechanism can cover with the bottle cap, so that the water in the sampling bottle cannot be mixed with water in other areas, and the sampling accuracy is guaranteed.

The invention provides a power supply line deicing device. The device comprises an upper arc-shaped shell, a lower arc-shaped shell, a clamping assembly, an ice pillar breaking mechanism and a traction rope, wherein the upper arc-shaped shell and the lower arc-shaped shell are buckled together, a clamping cavity is formed in the shell, the clamping assembly comprises two sets of clamping mechanisms, the two groups of clamping mechanisms are oppositely arranged in the clamping cavity left and right, each clamping mechanism comprises two clamping roller shafts, the upper arc-shaped shell and thelower arc-shaped shell are respectively provided with a jacking and bending mechanism, the two jacking and bending mechanisms are distributed in a left-right staggered mode, each jacking and bendingmechanism comprises an adjusting threaded rod, a first n-shaped frame and a pulley, and the ice pillar breaking mechanism comprises an arc-shaped connecting plate, a connecting rod and an ice pillar breaking plate. In the walking process of the device, the ice pillar breaking plate pushes ice pillars to realize breaking of the ice pillars, after the ice pillars are broken, an overhead line is bentby the bending mechanism, so the residual ice layer on the overhead line can be removed, and the deicing effect of the overhead line can be further improved.

The invention discloses a temporary monitoring device. The device comprises a camera, the camera is fixed to a sliding block of a cross beam, the sliding block is connected through a rope, the cameracan move left and right through a traction rope, the cross beam is fixed to the upper end of a rectangular lifting column, the rectangular lifting column can ascend and descend through a screw, a baseis arranged below the rectangular lifting column, and universal wheels capable of popping up are arranged in the base. The universal wheels can move downwards to protrude out of the base, transferring is convenient, and the position of the camera is convenient to adjust.

The invention provides a percussion safety mechanism of a cutting anastomat, a percussion device and an anastomat thereof. The percussion safety mechanism comprises a nail abutting base and a nail cabin base; the nail abutting base and the nail cabin base are arranged in a manner that the nail abutting base and the nail cabin base are corresponding to each other in a vertical direction; a nail cabin is fixedly installed on the nail cabin base; a cutting groove is formed in the middle of the nail cabin; a fixing base is fixedly installed at the bottom of a limiting sliding groove; a traction rope is arranged on a plurality of turning gears in a lap-joint manner; the turning gears are movably installed in the nail abutting base through rotating shafts; a traction hydraulic cylinder is fixedly installed in the nail abutting base; the end, away from a piston, of a reset spring is fixedly connected to the inner wall of a cylinder body. According to the percussion safety mechanism of the cutting anastomat, the percussion device and the anastomat thereof of the invention, a sensing hydraulic cylinder block is adopted, a safety unit can be automatically released and locked without any additional operation, meanwhile, the width of a tissue needing to be sutured can be sensed, the poor suturing condition caused when the sutured tissue is too wide or too narrow is effectively avoided; and stable supporting force can be generated in the closing process of the nail abutting base and the nail cabin base, so that a tissue damage condition caused by rapid closing of the nail abutting base and the nail cabin base is prevented, and the safety of the anastomosis process is ensured.

The invention relates to a walking type scoliosis traction device. A traction support is composed of a hand guided walking support, an adjustable supporting frame and a spring type gravity traction device. The hand guided walking support is composed of front wheels, rear wheels, rear protection wheels, a front wheel rod, a rear wheel rod, a bottom U-shaped rod, an upper U-shaped rod, a screwing type height adjusting rod and a handle. The adjustable supporting frame is composed of a bottom rod, an upper rod, a height adjusting nut, a ferrule, a top bent rod and a front fork. According to the device, a dragged person can also be subjected to traction treatment in an upright walking state, so that the large living freedom degree is kept, weights, sandbags and other heavy objects are not needed in the traction process, self gravity is used as traction force, the equilateral three-fork type high-precision spring combination enables the traction force to be flexible and stable, and a pulleyblock and a traction rope are convenient for a patient to self-adjust and remove the traction force, so that the simplicity, convenience and safety of traction operation are greatly improved.

The utility model discloses a blind window with built-in hollow glass, and belongs to the field of sunshade hollow glass products. The blind window comprises a window body, a corner seat and a venetian blind lifting traction rope transition roller, and the window body comprises an upper transverse frame pipe, a left longitudinal frame pipe, a right longitudinal frame pipe, a lower transverse framepipe, front glass and rear glass. The blind window is characterized in that the corner seat and a frame strip first corer connecting piece form an integrated structure, the upper portion of the corner seat is provided with a blind sheet overturning shaft supporting mechanism, the lower portion of the corner seat is provided with a venetian blind lifting traction rope transmission roller cavity with the bottom communicating with the outside, transition roller end stretching-in grooves are formed in the positions, corresponding to the front end and the rear end of the venetian blind lifting traction rope transition roller, of the cavity walls, opposite to each other, of the venetian blind lifting traction rope transition roller cavity, the venetian blind lifting traction rope transition roller is arranged in the venetian blind lifting traction rope transition roller cavity, and the front end and the rear end of the venetian blind lifting traction rope transition roller stretch into thetransition roller end stretching-in grooves correspondingly. According to the blind window, the consistency effect of the overall structure is improved, and the stress requirement under the conditionof a wide window body can be met; and the manufacturing and assembling efficiency is improved, the service life is ensured, and the lifting effect is ensured.