38results about How to "Small operating force" patented technology

According to the automobile two-side-opening armrest, when the automobile two-side-opening armrest is opened rightwards, a first button assembly is pressed to drive a first linkage wheel to rotate, so that a first lock rod is driven to move, a second linkage wheel is driven to rotate, at the moment, the second linkage wheel rotates to pull a third lock rod to move, and unlocking is achieved; during right closing, an armrest upper cover assembly is pressed to rotate, then a tilting rod makes contact with an armrest base to rotate, then a tension spring drives a first lock rod to move, a second linkage wheel drives a third lock rod to move, and locking is achieved; during left opening, a second button assembly is pressed to drive a first linkage wheel to rotate, so that a second lock rod is driven to move, a second linkage wheel is further driven to rotate, at the moment, the second linkage wheel rotates to pull a metal shaft to move leftwards, and unlocking is achieved; during left closing, the armrest upper cover assembly is pressed to rotate, then a tilting rod makes contact with the armrest base to rotate, then a tension spring drives a second lock rod to move, a second linkage wheel drives a metal shaft to move, locking is achieved, and at the moment, the armrest upper cover assembly and the armrest base are in a closed state; when misoperation occurs, the rotating rod can abut against the first lock rod or the second lock rod, at the moment, the first lock rod and the second lock rod cannot move at the same time, and misoperation is avoided.

This utility model discloses an ultra-high pressure manual hydraulic pump that reduces the operating force of the handle, including an oil tank, a pump core assembly connected to the oil tank, a handle rotatably mounted on the pump core assembly, and a handle mounted on the handle; characterized in that the pump core assembly includes a valve block, a front seat mounted on the valve block, a dual-speed pump core, a low-pressure safety valve, and a high-pressure safety valve; the valve block is provided with a main oil suction channel, a large pump core oil suction channel and a small pump core oil suction channel connected to the main oil suction channel and the dual-speed pump core, and a return oil channel connecting the main oil suction channel and the low-pressure safety valve. This utility model uses the dual-speed pump core to press the hydraulic oil. The hydraulic oil in the large pump core oil suction channel and the small pump core oil suction channel opens the low-pressure safety valve and returns to the oil tank, keeping the low-pressure safety valve open. When the dual-speed pump core presses down again, the hydraulic oil in the large pump core oil suction channel directly returns to the oil tank through the low-pressure safety valve, thereby reducing the operating force of the handle.

The moving contact assembly comprises a moving contact and a connecting plate, one end of the moving contact is a contact portion used for being matched with the static contact, a moving contact installation portion at the other end of the moving contact is installed on the connecting plate in a pivoted mode, the moving contact assembly further comprises a conductive gasket, and the pivoting installation portion between the moving contact and the connecting plate is connected through the conductive gasket. And the conductive gasket is in sliding fit with the moving contact. According to the moving contact assembly and the molded case circuit breaker, the pivoting installation part between the moving contact and the connecting plate is connected through the conductive gasket, so that the sliding hard connection between the moving contact and the connecting plate is realized, the contact area is reduced under the condition that the resistance value of the moving contact assembly is not influenced, the rotating friction force between the connecting plate and the moving contact is reduced, and the service life of the moving contact assembly is prolonged. Therefore, the moving contact rotates more smoothly, and the operating force of the product is smaller.

The application discloses a manual zero-gravity skeleton with a manual leg support, which comprises a lower slide rail fixed to a vehicle body, an upper slide rail in sliding cooperation with the lower slide rail, a seat frame skeleton fixedly connected with the upper slide rail, a backrest skeleton, and an angle adjuster connecting the seat frame skeleton and the backrest skeleton. The application realizes zero-gravity adjustment through a pure mechanical structure, does not depend on a vehicle electrical system, has long service life and high stability of mechanical components, and can still adjust the seat when colliding and being powered off, thereby improving passive safety. Through linkage unlocking and pneumatic buffering, posture switching is smooth at a constant speed, and the switching is completed within 2-3 seconds, so that balance response speed and comfort are achieved. The leg support is driven by a torsional spring, is convenient and labor-saving, and supports a comprehensive leg support mechanism, the lifting power of which is provided by the torsional spring, is automatically positioned after being unlocked, reduces operation force, and realizes one-key unfolding. In cooperation with the zero-gravity posture, the application provides comprehensive support from legs to back for a passenger, and effectively disperses body pressure.

The present invention provides a nozzle, comprising a tube body, a through hole is provided at the bottom of the tube body, or a mounting hole is provided at the bottom of the tube body, and a fixed valve plate is provided in the mounting hole, the fixed valve plate is circumferentially sealed and connected to the mounting hole, a second valve hole is provided on the fixed valve plate, wherein the through hole is consistent with the second valve hole in shape, size and number; a rotary valve plate, the rotary valve plate is arranged on the outside of the tube body, and is rotatably sealed and connected to the bottom of the tube body, the rotary valve plate is provided with a first valve hole corresponding to the through hole and a wrench protruding from the outer edge of the rotary valve plate, when the rotary valve plate rotates relative to the bottom of the tube body, the through hole overlaps with the first valve hole and forms an opening for circulating liquid, or the through hole is staggered with the first valve hole and is sealed. The nozzle according to the embodiment of the present invention can increase the drainage flow cross-sectional area and shorten the drainage time during the drainage of a photovoltaic slicer.

The utility model provides a bidirectional magnetic holding mechanism and a circuit breaker, and relates to the technical field of low-voltage electrical appliances, the bidirectional magnetic holding mechanism comprises a magnetic assembly and a transmission shaft penetrating through the magnetic assembly, the transmission shaft is sleeved with a movable iron core, a closing static iron core and an opening static iron core, the movable iron core is located between the closing static iron core and the opening static iron core, and the movable iron core can drive the transmission shaft to move; the magnetic assembly generates a closed magnetic loop, so that when the movable iron core approaches the closing static iron core, the movable iron core and the closing static iron core are kept in an attraction state; and when the movable iron core is close to the opening static iron core, the movable iron core and the opening static iron core are in clearance attraction. When the movable iron core and the opening static iron core are in clearance attraction, namely, the opening holding force is reduced, so that the operating force required by closing is correspondingly reduced, the impact force generated when a system is closed is reduced, the problem that in the prior art, a device is unstable due to the fact that the closing operating force and the impact force are too large is solved, and the closing comfort is effectively improved.

The utility model belongs to the technical field of ball valves, and discloses an ultrahigh pressure ball valve seat pre-tightening structure which comprises a supporting seat a and a supporting seat b which are connected with each other, a sealing ball seat a and a sealing ball seat b are arranged at the adjacent ends of the supporting seat a and the supporting seat b respectively, and a ball body is movably connected between the sealing ball seat a and the sealing ball seat b. A wave-shaped spring providing pre-tightening force is arranged at the end, away from the ball body, of the sealing ball seat a, and a stabilizing structure used for supporting the sealing ball seat a is further arranged in the supporting seat a. The service life of the ball valve is prolonged, deviation of the center of the ball body is avoided, and normal operation is guaranteed.

The utility model discloses an umbrella cover containing assembly with a guiding function and a folding umbrella. The umbrella cover containing assembly is used for rolling an umbrella cover into a containing space. The umbrella cover containing assembly comprises a base and a rotating body rotating relative to the base. The base is arranged at the end part of the umbrella body and / or the umbrella handle through an assembling structure; the umbrella cover is matched with the rotating body to form the accommodating space and a channel for the umbrella cover to enter the accommodating space; the rotating body is rotatably arranged on the base, and the umbrella sleeve is connected to the rotating body or between the rotating body and the base; wherein a blocking part is arranged on the base and on a track where the umbrella cover is spirally accommodated towards the center of the accommodating space; the blocking part makes contact with the umbrella cover in a spiral state and is used for guiding the umbrella cover to move and form friction fit. The umbrella cover storage assembly and the folding umbrella are simple in structure, easy and convenient to manufacture, easy to implement and low in cost, and the problems that an existing umbrella cover storage assembly is too complex in internal structure, or a damping piece needs to be arranged on an umbrella cover, and storage is not smooth are solved.

The invention discloses an electronic locking device of a new energy automobile, which comprises a bottom shell (3) used for accommodating internal components; the gear transmission assembly (1) comprises a motor (9), a worm (10), a bevel gear assembly (11) and a ball screw (18), and the gear transmission assembly drives the worm (10) to rotate through the motor (9), drives the bevel gear assembly (11) to conduct transmission and controls the lock rod (4) to move front and back through the ball screw (18); and the lock rod (4) is connected with the ball screw (18) through a lock rod fixing piece (21), and the lock rod is locked or unlocked along with the axial movement of the ball screw. According to the electronic locking device of the new energy automobile, the worm gear / helical tooth-worm-ball screw structure is adopted, the retaining force of the locking device and the movement precision of the lock rod are greatly improved, the gun pulling or stealing behavior by mistake is effectively prevented, the springback phenomenon of the lock rod in the locking or unlocking process can be prevented through the structure, and the service life of the electronic locking device is prolonged. The stability of the locking state is guaranteed, the problem of signal loss caused by springback of the lock rod is reduced, and therefore the reliability and safety of the whole system are improved.

The present invention provides an emergency disengagement mechanism of a self-priming door lock, comprising a self-priming unit and an emergency disengagement unit, wherein the self-priming unit comprises: a cam rotatably mounted on an outer shell, a driving component mounted at one end on the cam, a first return spring mounted at both ends on the cam and the outer shell respectively, a swing claw rotatably mounted at one end on the cam, and a rotating component mounted at the other end of the swing claw, wherein a pushing block is arranged on the cam; the emergency disengagement unit comprises: a limiting component and a supporting component rotatably mounted on the outer shell, a second return spring mounted at both ends on the limiting component and the supporting component respectively, and a disengagement component mounted on the supporting component, wherein the rotating component is mounted on the limiting component, the limiting component is provided with a protrusion and a baffle plate cooperating with the pushing block, and the supporting component is provided with a stopping component cooperating with the protrusion. The present invention can unconditionally and reliably interrupt the self-priming process, reduce operating force, improve customer operation perception, and ensure safety.

The utility model discloses a large door hinge with a bearing, which comprises a fixed part, a movable blade, a screw and a nut, the movable blade is movably connected on the fixed part through the screw and the nut, and the bearing is arranged in the fixed part. The movable blade is provided with a reinforcing rib, and the fixed part and the movable blade are provided with a plurality of first installation holes and second installation holes which are used for being installed on a wall and a door respectively. According to the door hinge, the bearing is arranged in the fixing piece, so that friction between the movable blade and the fixing piece is reduced, the service life is prolonged, and operation is more convenient; the structural strength of the movable blade is enhanced through the reinforcing ribs, the installation stability is improved through the design of the multiple installation holes, the problems existing in an existing large door lock are effectively solved, and the large door lock is suitable for installation and use of various large doors.

The invention relates to an electric connection device which comprises a bridge-type contact, and a busbar socket and a cutter body socket which can be elastically clamped are formed on the two sides of the bridge-type contact respectively. An upper support and a lower support, the upper support is installed on the contact above the knife body socket, the lower support is installed on the contact below the knife body socket, a guide socket is formed between the upper support and the lower support, and the guide socket is located on the front side of the knife body socket; the two sides of the upper support are respectively provided with an upper abutting portion, the two sides of the lower support are respectively provided with a lower abutting portion, and the upper abutting portion and the lower abutting portion on the same side correspond to each other up and down. The two guide top plates are fixed to the two sides of the body slotting tool respectively, the upper side and the lower side of the front end of each guide top plate are each provided with a guide protruding block, and each guide protruding block is provided with a front inclined guide face and a rear inclined guide face. Friction loss between the body slotting tool and the bridge type contact is reduced, and the service life of the electric connection device is prolonged.

The invention discloses a pneumatic pressure relief valve of a nuclear first-level pressure stabilizer, which belongs to the technical field of pressure relief valves and comprises a valve body, a valve cover is mounted above the valve body, a flow channel opening of an N-shaped structure is formed in the valve body, a valve rod is arranged in the valve body, a large valve clack is arranged at the bottom end of the valve rod, and a stop groove matched with the large valve clack is formed in the valve body. A large valve clack is arranged in the valve rod, a small valve clack is connected into the large valve clack in a sliding mode, the small valve clack is connected with the valve rod through threads, a first spring is arranged on the outer side of the small valve clack in a sleeving mode, and the two ends of the first spring make contact with the small valve clack and the large valve clack correspondingly. After the valve rod is continuously moved to open the valve, the small valve clack can drive the large valve clack to move upwards so as to finally open the valve, the operating force of the valve can be greatly reduced, and the influence of the large operating force of the valve on the anti-seismic property of the valve is effectively reduced.

The utility model provides a kind of middle door circuit breaker emergency opening device, it is related to circuit breaker technical field, including: switch board, knob rotationally arranged in cabinet door, transmission lever and transmission assembly.The transmission assembly is linked by mounting seat, displacement rack, main drive gear, driven gear and segmented lifting arm, the rotary motion of knob is converted into the vertical lifting action of lifting arm, and drive switch blade switching rod triggers opening;The segmented lifting arm top end is provided with switch blade switching rod with silicon rubber elastic buffer sheet, and impact force is dispersed by arc recessed contact surface;Insulating isolation ring is additionally provided at knob connection, to ensure high-voltage operation safety.The utility model solves the problems of low transmission efficiency, large operating torque, easily damaged components by opening impact and insufficient insulation protection in high-voltage environment of traditional emergency opening device, realizes single-hand operation quick opening, and reduces mechanical wear and tear and risk of accidental touch.

The invention provides an oil return structure, an oil return method, an oil return system and hydraulic equipment, the oil return structure comprises a first pressure relief part, a second pressure relief part and a driving part, the first pressure relief part blocks an oil outlet of a cylinder body, the first hydraulic part comprises a flow guide channel, and the second pressure relief part blocks the flow guide channel; one end of the driving part penetrates through the flow guide channel to abut against the second pressure relief part, the driving part can move back and forth along the flow guide channel, and after the driving part fixedly jacks the second pressure relief part to a preset height, part of the area can abut against the first pressure relief part, and the first pressure relief part is jacked up. According to the oil return structure, when a worker operates the oil return button to enable the driving piece to move to jack up the second pressure relief piece and the first pressure relief piece in sequence to enable the hydraulic equipment to return oil, the needed operation force can be greatly reduced, namely, the worker can complete oil return operation in a very labor-saving mode, meanwhile, the operation efficiency of the hydraulic equipment can be improved, and the working efficiency of the hydraulic equipment is improved. And the design of the hydraulic equipment is more reasonable.

The application relates to the technical field of automobile seat unlocking switches, and discloses a high-stability automobile seat unlocking switch which comprises a switch main body, a unlocking rotating shaft is arranged in the switch main body, the unlocking rotating shaft extends to the outside of the switch main body, an unlocking assembly is arranged at the end, away from the switch main body, of the unlocking rotating shaft, and the unlocking assembly comprises a rotating disc. The high-stability automobile seat unlocking switch is characterized in that: the handle is pulled to drive the rotating disc to rotate, the limiting plate is driven to move, the limiting hole is moved to the position of the limiting rod, the handle is limited through the limiting hole which is sleeved on one end of the limiting rod, the unlocking assembly is kept in the unlocking state, the unlocking handle is stably limited in the unlocking state, the user does not need to continuously pull, the operation force is saved, the unlocking state is high in stability, the unlocking handle is prevented from being reset due to a torsional spring and other reset assemblies, and the safety of the seat is improved.

The invention relates to the field of endoscopes, in particular to a bending adjustment driving mechanism of an endoscope, and provides the endoscope and the bending adjustment driving mechanism of the endoscope. The bending adjusting driving mechanism of the endoscope comprises a winding wheel, a driving mechanism and a driving mechanism, the winding wheel is used for being assembled on an installation base body in a rotating mode, a winding wire is connected to the winding wheel, and the winding wheel is used for changing the winding amount of the winding wire during rotation; the movable pulley assembly comprises a movable pulley and a pulley mounting base, the winding wire is wound around the movable pulley, and the end, away from the winding wheel, of the winding wire is fixedly arranged relative to the mounting base body; the pulley mounting seat is provided with a traction connecting part, and the traction connecting part is used for being connected with a traction wire which is used for driving the bending adjusting section to bend in the endoscope. The technical problem that an operator is prone to fatigue when a bending adjusting section of an endoscope needs to be bent for a long time is mainly solved.

The present invention relates to a needle-free syringe, comprising an ampoule, a lower shell, an upper shell, a push rod and a striker; the upper shell and the lower shell are connected by threads, a main spring is arranged between the push rod and the upper shell, a button is arranged at the upper end of the push rod, a push rod locking structure is arranged between the push rod and the upper shell and the button, a first annular groove is arranged on the inner wall of the button for releasing the lock of the push rod; a button reset spring is arranged between the button and the push rod. An operating hand wheel is arranged outside the upper shell, a cylindrical mounting section is arranged at the upper end of the operating hand wheel, the button is located in the cylindrical mounting section, a limiting collar is arranged on the movable sleeve outside the cylindrical mounting section, a locking structure and a collar reset spring are arranged between the limiting collar and the operating hand wheel, a button locking structure is arranged between the cylindrical mounting section and the outer wall of the button, a button unlocking structure is arranged on the inner wall of the limiting collar; an end cap is connected to the upper part of the limiting collar on the cylindrical mounting section. When injecting, the limiting collar is first pushed down to unlock the button, and then the button is pressed to complete the injection process, which is convenient to operate.

The invention discloses an all-terrain anti-skid shoe sole which comprises a shoe sole body and at least one set of overturning components installed on the shoe sole body in an overturning mode, and the overturning components can overturn relative to the shoe sole body so as to adapt to different terrains. The overturning component comprises a supporting frame, protrusion matching parts and key bodies, the protrusion matching parts are arranged on the two sides of the supporting frame and used for achieving running fit, and the key bodies are in running fit with the protrusion matching parts. The overturning component which can be installed in an overturning mode is arranged on the shoe sole, so that the supporting frame can be rapidly overturned relative to the shoe sole; therefore, the shoe sole can rapidly adapt to various complex terrains such as ice and snow, mud and rocks, and potential safety hazards caused by poor terrain adaptability of an existing fixed type anti-skid shoe sole are avoided. And the technical contradictions of inconvenience in operation, insufficient durability and poor mechanism stability caused by structural homogenization of the existing reversible shoe sole are overcome.

A developer supply container, comprising: a developer accommodating body, configured to accommodate developer and provided with a gear portion; a developer discharging body, fluidly connected to the developer accommodating body, having a discharge opening, the discharge opening being configured to form at least a portion of a discharge channel, through which the developer can be discharged to the outside of the developer supply container, one end of the discharge channel being positioned at the bottommost side of the developer supply container, the developer accommodating body being rotatable relative to the developer discharging body around its rotation axis; and a track, comprising a fixed portion fixed to the developer discharging body and an elastic portion capable of elastic deformation extending from the fixed portion to a free end portion, the free end portion being displaceable from the developer discharging body so that the elastic portion intersects a horizontal plane parallel to the rotation axis.

The present invention relates to a mechanical high-profile suspension system using a leaf spring and a ratchet structure, comprising: two ratchet adjustment mechanisms, two leaf springs, a connecting rod, and an auxiliary tension spring; wherein the two ratchet adjustment mechanisms are respectively installed on the suspension seat frame, the square tenon on the ratchet adjustment mechanism is fixedly connected to one end of the leaf spring, and the rotation or locking of the leaf spring is controlled by the ratchet adjustment mechanism; a connecting shaft is installed at the other end of the two leaf springs, one end of the connecting rod is installed on the connecting shaft, and the other end is hinged on the suspension seat frame, and the leaf spring is compressed by the connecting rod to produce deformation, thereby realizing the suspension function of the seat; one end of the auxiliary tension spring is connected to the lower connecting plate of the suspension seat frame, and the other end is connected to the lower transverse tube of the scissor bracket in the suspension seat frame, and the automatic upward adjustment function of the seat is realized by the auxiliary tension spring. The high-profile suspension system effectively solves the problem of cumbersome operation process and poor driving comfort of the high-profile suspension system in the existing mechanical suspension seat.

The present application relates to a kind of gangway door retraction device, belong to gangway door technical field, it includes gangway door lock, buffer mechanism and unlocking mechanism, wherein, gangway door lock includes lock seat assembly, lock box assembly and prompt component, lock seat assembly includes lock seat and lock pin, lock box assembly includes lock box and lock hook, prompt component includes microswitch, double-end swing arm piece and elastic piece.The present application is by being set up prompt component to make operator can accurately understand whether gangway door has been unlocked when carrying out lower operation and accurately understand whether gangway door has been completely retracted when carrying out retraction operation, to be able to prevent operator to exert force when gangway door is still in the state of not unlocking or not completely unlocking, simultaneously can prevent gangway door to appear retraction not in position condition, to make operator can better carry out the retraction operation of gangway door.

The utility model relates to an acid and alkali resistant door lock device. Comprising a lock rod, a deflector rod device, a packaging box and a handle, the lock rod is of a telescopic structure, is made of acid and alkali resistant engineering plastics and is matched with a clamping groove in the door body in a clamping mode. The rod shifting device is arranged in the packaging box, is connected with the lock rod through a mechanical linkage mechanism and is used for controlling the telescopic action of the lock rod; the packaging box adopts an integrally-formed corrosion-resistant shell and wraps the lock rod and a transmission part of the rod shifting device. And the handle is connected with the deflector rod device through a rotating shaft, and anti-skid lines are arranged on the surface. The technical problems that in the prior art, a common door lock is prone to being corroded and damaged, equipment cannot be normally opened and closed and cannot be safely protected, and a magnet and a door stopper installed on a door plate in the prior art need to be fixed through metal screws and are corroded and damaged in the acid-base environment are solved.

The utility model relates to valve technical field, concretely relates to a regulating valve with lining, including valve body, the first lining is arranged in the valve body, and the inner wall of valve body is provided with a plurality of dovetail groove convenient for fixing first lining, the valve rod is inserted in the bonnet, the lower place of valve rod is sleeved with the valve core, the top surface of valve core is provided with the pouring hole, the outside of valve core is provided with the ring groove, the bottom of valve core is provided with the self -tightening mechanism, the utility model discloses through dovetail groove, pouring hole and ring groove, make the lining material and valve body form reliable connection, strengthen the fixed stability of lining, prolong the service life of valve, reduce the metal material amount, reduce the foundry cost, still effectively reduced the operating force needed to control valve rod, through the self -tightening mechanism cooperation valve core common sealing valve seat, the sealing performance of remarkable promotion, shared the valve -in -medium pressure that valve rod bore, improved the pressure -bearing capacity and reliability of valve.

The utility model discloses an automobile seat gear transmission limiting mechanism, which belongs to the technical field of automobile seats, and comprises an outer shell, a first soft cushion and a second soft cushion, a mounting plate is fixed between the first soft cushion and the outer shell, the left side and the right side of the mounting plate are respectively provided with a notch, and the first soft cushion and the second soft cushion are fixed on the outer shell. Two movable grooves are formed in the lower portion of the front side of the mounting plate and are symmetrically arranged, and first connecting pieces are fixed to the positions, close to the two movable grooves, of the front side of the mounting plate. The gear shifting stroke is a 90-degree efficient rotation angle, operation space is saved by 25%, a second transmission wheel 45CrMo quenched gear is subjected to laser modification, operation force is reduced by 30%, gear positioning force is only 3.5-5.0 N and is reduced by half compared with traditional gear positioning force 7-10 N, hand feeling lightness is + 50%, the problem that a traditional gear shifting stroke is a 120-degree rotation angle, operation space is small, and meanwhile, the gear shifting stroke is not prone to being damaged is solved. And the traditional gear positioning force is 7-10N, the feeling resistance is large during operation, and the operation is not flexible.

The application discloses a stop valve and relates to the technical field of stop valves, which comprises a valve body, a valve cover, a valve rod, a packing, a valve clack, a sealing cavity, a sealing element and a backflushing element. The valve body is provided with the valve cover at the top end. One end of the valve rod is slidably penetrated through the bottom end of the valve cover and extends to the inside of the valve body to be connected with the valve clack. The other end is threadedly connected with the top end of the valve cover. The sealing cavity is arranged between the valve clack and the inner wall of the valve cover. The valve clack and the inner wall of the valve cover are connected through the sealing element. The valve rod outer wall and the valve cover inner wall are connected through the packing. The backflushing element is arranged on the valve cover. The application realizes stable shunting and sufficient supply of the medium through double shunting channels, guarantees stable medium flow and balanced pressure of the medium entering the sealing cavity, forms stable reverse pressure in the sealing cavity, efficiently balances the medium force when the valve body is closed, reduces the operation force of the operator rotating the hand wheel and realizes easy closing of the valve body.

The utility model discloses a kind of car door inwards turning handle, including handle base, handle groove being provided on it towards car door surface;Handle body, with the closing position closed in handle groove, the opening position being retracted into operating space, and the unlocking position being retracted relative to opening position, the handle body is in opening position and unlocking position and is exposed handle groove;Transmission assembly, including electric actuation's push block, and transmission gear in the rotating path of push block, the handle body line is equipped with with synchronous rotation intermediate gear, the intermediate gear and transmission gear keep engagement;The push block, transmission gear, intermediate gear sequentially constitute electric opening path, the handle body, intermediate gear, transmission gear sequentially constitute emergency opening path, the handle body is in emergency opening path and is retracted to opening position by external force actuation.

This utility model provides an environmentally friendly and wear-resistant car floor mat, belonging to the field of car floor mat technology. It includes an upper floor mat with several connecting units and a lower floor mat with several snap-fit ​​units. The connecting units include an upper snap with a sliding hole; a snap block slidably disposed within the sliding hole, with a positioning block at its bottom having a second inclined portion, and a reset block on its outer wall; an unlocking block fitted onto the snap block, with a connecting block fixed to the inner wall of its through hole, the connecting block being embedded in a guide hole in the snap block, and an unlocking spring between the connecting block and the bottom wall of the guide hole; a reset block embedded in a reset groove in the inner wall of the sliding hole, and a reset spring between the reset block and the bottom wall of the reset groove; the snap-fit ​​units include a lower snap with a locking groove, the side wall of which has two symmetrical adjustment grooves; an adjustment block slidably disposed within the adjustment groove, with an adjustment spring between it and the inner wall of the adjustment groove, and the outer end of the adjustment block having a first inclined portion; and the outer wall of the unlocking block having a third inclined portion. This utility model effectively solves the problem of damage from violent disassembly, saves effort during operation, and allows for quick installation and disassembly.

The transmission mechanism of the civil aircraft cabin door comprises two lock rods, a fixing plate, a handle gear, a driven gear and two racks, the lock rods are arranged in parallel, the lock rods are sleeved with the fixing plate, and the two racks are connected with the lock rods. The middle of the handle gear and the middle of the driven gear are both connected with the fixing plate, the end of the handle gear and the end of the driven gear are meshed with the corresponding racks respectively, the other end of the handle gear is meshed with the other end of the driven gear, and when the handle gear rotates, the driven gear moves correspondingly. The transmission mechanism of the civil aircraft cabin door has the advantages of being compact, simple and reliable in structure, small and stable in operation torque, high in transmission efficiency and the like.

The utility model relates to the technical field of gate valves, and discloses a self-lubricating gate valve which comprises a valve body, and a self-lubricating mechanism is arranged on the upper side wall of the valve body. The self-lubricating mechanism comprises a storage box, two connecting pipes and a measuring column, the top of the right side wall of the storage box is communicated and connected with a feeding pipe, a storage cavity is formed in the storage box, the bottom wall of the storage box is communicated and connected with an outer cylinder, an inner cylinder is arranged in the outer cylinder, and the outer side of the inner cylinder is connected into the storage box in a penetrating mode. According to the self-lubricating gate valve, the self-lubricating mechanism is arranged, so that the problem that normal operation of equipment is affected due to the fact that the operation of the gate valve is unstable, clamping stagnation, jamming or unsmooth operation possibly occurs can be solved; therefore, the sealing performance is effectively improved, the friction and abrasion are reduced, the operating force is reduced, the service life is prolonged, and the maintenance cost is reduced.