CN205297078U - Locks of stopper sliding door - Google Patents

Abstract

The utility model discloses a locks of stopper sliding door has solved the technical problem that the poor stability is changeed in the lock shipment, and its technical scheme main points are, including lock frame, reach and catch bar, its characterized in that, the pin joint of lock frame has takes the dashpot and the lock of locked groove to pitch, the reach is installed and is born the torsional spring and grab with dialling, and the quantity of bearing the torsional spring is for even number and arrange in and dial the both sides of grabbing, dial and grab through bearing the torsional spring butt in the lock fork, under the drive of catch bar the lock fork rotates and makes around the pivoting point dial and grab card income dashpot and locked groove in proper order, the reach is equipped with the drive and dials the manual release mechanism and automatic release mechanism who grabs the locked groove of screwing out, it is fixed in the dish that resets to dial to grab, the dish that resets is located the cubic axial region of reach, bearing the weight of the axle sleeve and being equipped with the self -lubricating shaft sleeve who is fixed in the lock frame, it is stable to have reached the interior structrual joint of locks, and the member transmission is stable.

Description

The door lock assembly of stopping sliding door

Technical field

This utility model relates to the mechanical component of railcar and bus, more specifically, it relates to the door lock mechanism of a kind of railcar and bus.

Background technology

Vehicle stopping sliding door than inner swing door and translation door because of its door opening action be by compartment to compartment outward swinging door, will not because of in compartment, passenger is crowded and car door of not opening, in addition its switch gate speed is fast, and good seal performance obtains increasingly using widely on subway light rail and public transit vehicle.

Now retrieve the Chinese patent document Automatic door lock that publication number is CN201546535U, this patent document is recorded, lock fork is not provided with deceleration buffer mechanism in the middle of rotating, cause the impact kinetic energy roller that lock fork is easily bigger when rotating, easily the connected mechanism of lock fork is damaged, cause lock and bindiny mechanism's fluctuation of service.

Utility model content

For the deficiency that prior art exists, the purpose of this utility model be in that to provide the sealed precision of a kind of lock fork high by adopting technique scheme.

For achieving the above object, this utility model provides following technical scheme:

A kind of door lock assembly of stopping sliding door, including lock frame, carrying axle and catch bar, it is characterized in that, described lock frame is articulated with the lock fork with dashpot Yu locked groove, described carrying axle is provided with carrying torsion spring and allocated catch, the quantity of carrying torsion spring is even number and the both sides being placed in allocated catch, described allocated catch is connected to lock fork by carrying torsion spring, under the driving of catch bar, described lock fork rotates around pivoting point and makes described allocated catch be sequentially clamped in dashpot and locked groove, and described carrying axle is provided with the hand-operating unlocking mechanism and the automatic unlocking mechanism that drive allocated catch to screw out locked groove.

By adopting technique scheme, lock fork quickly snaps in matched snap close under push rod promotes, but in order to enable lock fork stably to snap in snap close, the power of push rod is all bigger, then directly result in lock fork and there is bigger impact kinetic energy in sealed process, easily cause the damage of lock fork and snap close, cause that the sealed precision of lock fork and snap close reduces;Therefore devising allocated catch, dashpot and locked groove, lock fork is when rotating sealed, and allocated catch first snaps in dashpot and increases the rotational resistance of lock fork so that the speed of lock fork slows down; But under the effect of push rod, lock fork still rotates around pivoting point and makes allocated catch snap in dashpot, and lock fork reaches latched position, and allocated catch limits the rotation of lock fork, and after opening allocated catch, lock fork is in free state, and reversely rotating lock fork can unlock. For the ease of in case of emergency improve escape efficiency, being provided with hand-operating unlocking mechanism, the allocated catch in locked groove can manually be departed from by passenger, improves safety and the survival rate of passenger; And automatic unlocking mechanism can be triggered the force pieces such as cylinder, oil cylinder, motor for close door at ordinary times and make allocated catch rotationally disengage locked groove by electrical connection, shorten the time of close door, improve the transport power of car.

Carrying torsion spring is arranged symmetrically in allocated catch both sides, certainly will cause that allocated catch both sides are subject to uneven torsion according to unilateral torsion spring, the skew that allocated catch generation rotating shaft is axial certainly will be caused, under this operating mode, life-time service allocated catch one side stress is excessively concentrated and the rate of wear is fast, and adopt the paired torsion spring being arranged symmetrically with, effectively alleviating the problems referred to above, monosymmetric torsion spring makes allocated catch that the abutting power of lock fork is more uniform, improves the quality of fit of lock allocated catch and locked groove.

It is also preferred that the left reseting disk is fixed in described allocated catch, described reseting disk is located at the square axis portion of described carrying axle, and described carrying axle sleeve is provided with the self lubrication bearing being fixed on lock frame.

By adopting technique scheme, square axis portion is cross section is the shaft part of positive direction, and every one side in square axis portion all can abut with reseting disk, and the allocated catch that square axis portion makes is more excellent with the rotation net synchronization capability of carrying axle; Self lubrication bearing adds motility and the anti-wear performance that carrying axle rotates, and without often to axle sleeve oil addition, it is more convenient to use; Further advantage self lubrication bearing is installed simple, improves assembling one after another while ensureing carrying axle running clearance.

It is also preferred that the left described lock fork is plugged in the lockhole of described lock frame by rotating shaft, described rotating shaft and lockhole it

Between be provided with bearing, described rotating shaft is provided with torsion spring of unblanking, described in unblank torsion spring drive shaft be in reverse to described catch bar driving direction rotate.

By adopting technique scheme, lock fork rotates around the shaft and carries out locking and unblock, and bearing improves the sensitivity that lock fork rotation rotates, it is prevented that unnecessary Caton phenomenon occurs lock fork because of aging, improves the quality of fit of lock fork and snap close; And the rolling friction of bearing reduces the frictional dissipation of lock fork, it is to avoid long-time use after lock fork with rotating shaft because loosening occurs in abrasion, and prevent from causing that the situation of lock fork and snap fit error occurs. Torsion spring of unblanking is placed in locking position in lock fork and deforms upon, the torsion spring that makes to unblank has countershaft and has a restoring force, this restoring force drives lock fork to rotate towards lockset position of coupler, torsion spring of unblanking coordinates with allocated catch, after allocated catch departs from locked groove, lock fork can pass through restoring force automatic rollback to position of unblanking, and this structural dynamic part is torsion spring, structure is relatively simple, and assembling is simple; And the torsion spring moment of deformation has restoring force, when after the disengaging locked groove of allocated catch, lock fork is immediately returned to unblank into position, and lock fork reset speed is fast.

It is also preferred that the left the gas bar that described catch bar is cylinder, one end of described catch bar is articulated with described lock fork, and described cylinder is placed in the lower section of lock fork and its cylinder body is articulated with described lock frame, and the rod chamber of described cylinder offers passage.

By adopting technique scheme, the cylinder body of cylinder and cylinder, each through hinged linkage, improve cylinder motility in use;And owing to the passage length of rod chamber is open-minded, when gas masthead goes out, lock fork carries out condensation; And when unblanking, the intracavity of cylinder is in communication with the outside, it is prevented that when torsion spring of unblanking drives lock fork, the air of intracavity is compressed, decreases air drag so that switch lock is more quick.

It is also preferred that the left described lock frame is plugged with the torsion spring support one with axial cut-outs, described torsion spring support one is put

Top in described rotating shaft, described lock fork is provided with the torsional spring slot being placed in below rotating shaft, the quantity of described torsion spring of unblanking is even number and the both sides being uniformly sheathed on lock fork, unblank one end of torsion spring is connected to torsion spring support one, the unblank other end of torsion spring is placed in torsional spring slot, and the torsion spring end of unblanking in described torsional spring slot is mutually permanently connected.

By adopting technique scheme, the axial skew of lock fork generation rotating shaft certainly will be caused according to unilateral torsion spring, under this operating mode, life-time service lock fork one side stress is excessively concentrated and the rate of wear is fast, further expand the side-play amount that lock fork is axial, make lock fork that the axial wobble of larger displacement easily occur when locking, cause that the quality of fit that lock is inserted with snap close reduces; And adopt the paired torsion spring that is arranged symmetrically with, and effectively alleviate the problems referred to above, monosymmetric torsion spring makes the restoring force of lock fork both sides more uniform, reduces the torsion spring abrasion to lock fork of unblanking, improves the quality of fit of lock fork and snap close.

Torsion spring support one grafting is arranged on lock frame, and grafting assembling is simple, quick, improves throughput rate;

And owing to offering axial otch, otch make torsion spring support one can occur circumferencial direction deformation. Deforming upon when torsion spring support one grafting, being fixed on of torsion spring support one fastening that its deformation recovery power makes is locked on frame, it is prevented that torsion spring support one skids off the situation of lock frame and occurs; And the relatively whole lock frame of torsion spring support one also has the effect of cross bar, add the overall construction intensity of lock frame.

The torsion spring end being placed in torsional spring slot is connected with each other, and the torsion spring being arranged symmetrically with pins down mutually, prevents torsion spring generation relative movement further.

It is also preferred that the left lock frame is provided with the torsion spring support two of axial cut-outs, described torsion spring support two is placed in and holds

The lower section of load axle, one end of carrying torsion spring is connected to torsion spring support two, and the other end of carrying torsion spring is placed in the lower surface of allocated catch, and is mutually permanently connected in the carrying torsion spring end of described allocated catch lower surface.

By adopting technique scheme, carrying torsion spring applies torsion and drives allocated catch to rotate towards dashpot; Torsion spring support two grafting is arranged on lock frame, and grafting assembling is simple, quick, improves throughput rate, and owing to offering axial otch, and otch makes the torsion spring support two can in the deformation that circumferencial direction occurs. Deforming upon when torsion spring support two grafting, being fixed on of torsion spring support two fastening that its deformation recovery power makes is locked on frame, it is prevented that torsion spring support two skids off the situation of lock frame and occurs; And the relatively whole lock frame of torsion spring support two also has the effect of cross bar, add the overall construction intensity of lock frame.

Preferably, including limit assembly, described limit assembly includes the blend stop being fixed on lock frame, and described lock fork is provided with arc surface, the two ends of described arc surface are outward extended with unblank retaining wall and locking retaining wall, and described blend stop is along described arc surface relative movement and is connected to unblank retaining wall or locking retaining wall.

By adopting technique scheme, lock fork is when open locking, the speed rotated is all bigger, easily predetermined latched position under the effect of inertia, cause that the quality of fit coordinating lock fork and snap close reduces, and by unblanking retaining wall or the swing offset of lock fork is carried out mechanical position limitation by locking retaining wall, solve above-mentioned technical problem.

It is also preferred that the left described automatic unlocking mechanism includes piston cylinder and the connecting plate being fixed on rotating shaft, the piston rod of described piston cylinder is placed in the side of connecting plate and this piston rod and leaves gap with described connecting plate, and described piston rod drives connecting plate to rotate and drives allocated catch back-out locked groove.

By adopting technique scheme, when piston rod ejects, its ground, end plate in succession so that connecting plate,

Carrying axle and allocated catch synchronous axial system, it makes allocated catch screw out locked groove, reaches purpose of unblanking. If hinged between piston rod and even class, certainly will cause that resistance when carrying torsion spring resets increases, reduce and carry sensitivity when axle resets, and piston rod and described connecting plate leave gap and effectively solve the technical problem that above-mentioned sensitivity is low.

It is also preferred that the left described lock frame includes base plate and the side plate being fixed on base plate, the lower surface of described base plate sets

There is latticed reinforcement group, described reinforcement group include arranging along base plate edge around reinforcement, described in reinforcement, it is provided with the cross reinforcing rib being connected with around reinforcement, described side plate is used for installing carrying axle and side plate offers lightening hole by adopting technique scheme, stir swing frame, plectrum is made to promote long-armed plate and then the company of drive

Plate, carrying axle and allocated catch synchronous axial system, make allocated catch screw out locked groove; Owing to plectrum and piston rod are respectively placed in the both sides of long-armed plate so that manual unlocking or the mutual component of automatic unlocking is formed without resistancing action time no matter. The design on the first inclined-plane and the second inclined-plane increases the contact area of plectrum and long-armed plate so that long-armed bar stress in collision process is more stable so that the running accuracy of carrying axle is more high.

After manually unblanking, reduction torsion spring is caused deformation, making reduction torsion spring produce restoring force drives swing frame to return to initial position, and fixed by gag lever post machinery so that swing frame is when applying external force without human body, quickly, precisely reset, it is simple to use manual unlocking next time.

It is also preferred that the left described lock frame includes base plate and the side plate being fixed on base plate, the lower surface of described base plate sets

Have that latticed reinforcement group, described reinforcement group include arranging along base plate edge around reinforcement, described in reinforcement, be provided with the cross reinforcing rib being connected with around reinforcement, described side plate is used for installing and carries axle and side plate offers lightening hole.

By adopting technique scheme, latticed reinforcement adds the structural strength of base plate, and reinforcement decreases the real contact area of bottom surface, it is simple to the processing of bottom surface flatness, improves the flatness of bottom surface so that the installation of lock frame is more accurate; And the effectively less lock frame weight of the design of lightening hole, and to subtract hole can be circular port, oval hole or square hole.

Excellent effect compared with prior art is: engaged with the moment of plectrum by dashpot, reduce lock fork sealed time impact kinetic energy, decrease the vibratory output that door lock produces because of collision, door lock run more stable; And by position-limit mechanism, the upper lock position of lock fork and lockset position of coupler are positioned, it is prevented that lock fork occurs excessively mobile under torsion spring with cylinder action, it is to avoid the situation of lock fork dislocation occurs so that door lock is operationally more stable.

Accompanying drawing explanation

Fig. 1 is the structural scheme of mechanism one of door lock assembly;

Fig. 2 is the structural scheme of mechanism two of door lock assembly;

Fig. 3 is the link gear schematic diagram of door lock assembly;

Fig. 4 is the left view of Fig. 3;

Fig. 5 is the right view of Fig. 3;

Fig. 6 is the schematic diagram of locking of Fig. 5;

Fig. 7 is the structural representation of lock fork;

Fig. 8 is the structural representation one of lock frame;

Fig. 9 is the structural representation two of lock frame;

Figure 10 is the exploded perspective view of carrying axle and assembly;

Figure 11 is the structural representation of carrying axle;

Figure 12 is the assembling schematic diagram of lock fork and torsion spring of unblanking;

Figure 13 is the assembling schematic diagram of reseting disk and carrying torsion spring.

In figure: 1, lock frame; 11, base plate; 12, reinforcement; 121, around reinforcement; 122, cross reinforcing rib; 123, circular arc reinforcement; 13, lightening hole; 14, the first side plate; 15, the second side plate; 16, axle sleeve; 2, lock fork; 21, dashpot; 22, locked groove; 23, torsional spring slot; 24, lockhole; 25, bearing; 26, unblank torsion spring; 271, torsion spring support one; 3, rotating shaft; 41, carrying axle; 411, the first square axis portion; 412, the first circular shaft part; 413, the second square axis portion; 414, the second circular shaft part; 415, the 3rd square axis portion; 42, carrying torsion spring; 421, torsion spring support two; 43, reseting disk; 431, allocated catch; 44, self lubrication bearing; 5, limit assembly; 51, arc surface; 52, unblank retaining wall; 53, locking retaining wall; 54, blend stop; 55, cylinder; 56, catch bar; 6, automatic unlocking mechanism; 61, piston cylinder; 62, connecting plate; 63, piston rod; 7, hand-operating unlocking mechanism; 71, swing frame; 72, plectrum; 73, long-armed plate; 74, the first inclined-plane; 75, the second inclined-plane; 76, reduction torsion spring; 77, gag lever post; 8, roller 8.

Detailed description of the invention

Below in conjunction with accompanying drawing and by specific embodiment, utility model being described in further detail, following example are illustrative, are not determinate protection domains of the present utility model.

Embodiment one, consults Fig. 1 and Fig. 2, lock fork 2, and lock fork 2 is rotatably connected in lock frame 1 by rotating shaft 3. Fig. 5 and Fig. 7, rotating shaft 3 is plugged in the lockhole 24 of lock fork 2, is provided with bearing 25 in this lockhole 24, and the quantity of bearing 25 is two, and is connected to the both ends of lockhole 24, reduces the frictional resistance that lock fork 2 rotates. In Fig. 5 and Fig. 6, the left end of lock fork 2 offers the otch coordinated with roller 8, by rotating up this lock fork 2 so that the roller 8 in lock fork 2 is rotated up, it is achieved lock; And after lock fork 2 resets downwards, it is achieved unblank. The lower section of lock fork 2 sets cylinder 55, and the push rod of this cylinder 55 is hinged by being connected axle with lock fork 2; The rotating shaft that the passing under of cylinder 55 runs through cylinder body is hinged with lock frame 1, and rotating shaft is fixed on lock frame 1 by jump ring, and the rod chamber of this cylinder 55 offers passage, when push rod ejects, and shifting in lock fork 2, it is achieved action of locking; The cylinder body of cylinder 55 and push rod, each through hinged linkage, improve cylinder 55 motility in use; And owing to the passage length of rod chamber is open-minded, when gas masthead goes out, lock fork 2 carries out condensation.

Further, in Fig. 5 and Fig. 7, rotating shaft 3 is provided with torsion spring 26 of unblanking, described in unblank torsion spring 26 drive shaft 3 be in reverse to described catch bar 56 driving direction rotate. Lock frame 1 is plugged with the torsion spring support 1 with axial cut-outs, and torsion spring support 1 is placed in the top of rotating shaft 3, and torsion spring support 1 is placed in the left end of lock fork 2, the lower section torsional spring slot 23 of described lock fork 2; In Fig. 5 and Figure 12, the quantity of torsion spring 26 of unblanking is two and is uniformly sheathed on the both sides of lock fork 2, unblank one end of torsion spring 26 is connected to torsion spring support 1, and the other end of torsion spring 26 of unblanking is placed in torsional spring slot 23, and two torsion spring 26 ends in torsional spring slot 23 of unblanking connect as one. After push rod ejects, torsion spring 26 of unblanking deforms upon so that lock fork 2 has downward movement tendency, and the rod chamber of cylinder 55 is in communication with the outside, prevent from when torsion spring 26 of unblanking drives lock fork 2, the air of intracavity being compressed, decrease air drag so that switch lock is more quick; And after ejecting, cylinder 55 is not in ventilation, Gu the lock fork 2 under free state will be returned directly to position of unblanking, in order to realize the effective control to lock fork 2 position, it is provided with reseting disk 43 in the left side of lock fork 2, reseting disk 43 is fixed on carrying axle 41, carrying axle 41 is provided with carrying torsion spring 42, carrying torsion spring 42 drives load axle to rotate to locked groove 22 direction with allocated catch 431, this reseting disk 43 is provided with allocated catch 431, in Fig. 7, the left end of this lock fork 2 is provided with dashpot 21 and locked groove 22, and this dashpot 21 is connected to " W " shape with locked groove 22;Locked groove 22 is above dashpot 21, when lock fork 2 rotates up in push rod effect, described allocated catch 431 is introduced into dashpot 21, entering locked groove 22, allocated catch 431 first snaps in dashpot 21 and increases the rotational resistance of lock fork 2, the speed making lock fork 2 slows down, and decreases the allocated catch 431 impact kinetic energy to locked groove 22 so that the rotation of lock fork 2 is more stable.

Being optimized for further, Fig. 2 and Fig. 7, limit assembly 5, described limit assembly 5 includes blend stop 54, and this blend stop 54 is threaded on the second side plate 15 of lock frame 1. Lock fork 2 is arranged over arc surface 51, and arc surface 51 plays the minimizing lock fork 2 concentrated stress in this position for crowning; And arc surface 51 curvature is identical with the curvature of lock fork radius of turn, when making lock fork 2 rotate, blend stop does not contact with arc surface 51, it is possible to make blend stop 54 move at arc surface 51 smoothly; The two ends of institute's arc surface 51 are outward extended with unblank retaining wall 52 and locking retaining wall 53, and arc surface 51, retaining wall 52 of unblanking form groove with locking retaining wall 53, and the width of groove is upwards gradually increased by bottom surface; When lock fork rotates, blend stop 54 is along arc surface 51 relative movement; When unblanking, due to lock fork 2 motional inertia, blend stop 54 is connected to retaining wall 52 moment abutting of unblanking; During locking, due to lock fork 2 motional inertia, blend stop 54 abutted with locking retaining wall 53 moment. Lock fork 2 is when open locking, the speed rotated is all relatively big, easily predetermined latched position under the effect of inertia, causes coordinating the quality of fit of lock fork 2 and snap close to reduce, and by unblanking retaining wall 52 or the swing offset of lock fork 2 is carried out mechanical position limitation by locking retaining wall 53, solve above-mentioned technical problem.

In Fig. 6, allocated catch 431 is placed in the schematic diagram in locked groove 22, it is only necessary to allocated catch 431 is stirred clockwise, and allocated catch 431 can depart from locked groove 22, and lock fork 2 will move downward under the effect of spring of unblanking. For safety and efficiently control unblanking of lock fork 2, this door lock assembly is provided with automatic unlocking mechanism 6 and hand-operating unlocking mechanism 7 liang set.

Implement two, consult Figure 10 and Figure 11, carrying axle 41 assembly, carrying axle 41 assembly includes carrying axle 41, reseting disk 43, self lubrication bearing 44, carrying axle 41 includes the metal axostylus axostyle of strip, the left end of axostylus axostyle to right-hand member is followed successively by interconnective first the 413, second circular shaft part the 414, the 3rd square axis portion 415 of the 411, first circular shaft part the 412, second square axis portion of square axis portion and the parts that axostylus axostyle is formed in one. First square axis portion 411 is cuboid, and its cross section is square, first square axis portion 411 all offers fillet at four sides of axostylus axostyle axis direction, and first left end four edge in square axis portion 411 be provided with chamfering, this chamfering is 45 degree, and fillet and chamfering effectively remove the burr in the first square axis portion 411, decrease the burr scuffing to assembly crewman, and be easy to component sliding smoothly and be inserted in the first square axis portion 411 so that later stage assembling is more convenient; And the setting of fillet decreases the stress at square axis edge and concentrates, it is therefore prevented that square axis edge is because being extruded by component structure and the situation of deformation occurs so that the structure in the first square axis portion 411 is more stable.

Wherein, the cross-sectional area of the first circular shaft part 412 is maximum in axostylus axostyle, and the first square axis portion 411 and the first circular shaft part 412 form the shaft shoulder, and the second square axis portion 413 all also forms the shaft shoulder with the first circular shaft part 412, and two shaft shoulders are in round outside but spuare inside copper coin face. The shaft shoulder circular edge in the second square axis portion 413 offers fillet, and fillet has removing burr, it is prevented that burr and member contact, it is to avoid component is scratched by burr.

Being optimized for further, the second square axis portion 413 is cuboid, and the axial side in the second square axis portion 413 is provided with fillet, and the right-hand member in the second square axis portion 413 also is provided with fillet. And second the cross section of square axis be placed in the cross section of the first circular shaft part 412, second circular shaft part 414 cross section is placed in the cross section in the second square axis portion 413, the cross section in the 3rd square axis portion 415 is placed in the second circular shaft part 414 cross section, it is simple to framework slips into the second square axis portion 413 from the left side of axostylus axostyle.

Second circular shaft part 414 is round bar, and itself and the first circular shaft part 412 fit through on bearing 25 fixed installation lock frame 1. 3rd square axis is cuboid, and its right side offers chamfering and is easy to component sliding and moves and be inserted in.

It is optimized for further, the two ends of axostylus axostyle all offer screwed hole, screwed hole is used for installing screw, carrying axle 41 left end can to installing connecting plate 62 axial restraint by screw, carrying axle 41 right-hand member sheathed reseting disk 431 successively, self lubrication bearing 44, cam bit, screw is connected to carrying axle 41 right-hand member by reseting disk 431, self lubrication bearing 44, cam bit locking, it is prevented that reseting disk 431, self lubrication bearing 44, cam bit generation axial dipole field, makes carrying axle 41 have good stability when rotating.

Reseting disk 43 is provided with integrated allocated catch 431, reseting disk 43 is placed on the second square axis portion 413 and abuts with the first circular shaft part 412, second circular shaft part 414 is arranged with self lubrication bearing 44 for band graphite copper sheathing, the left end of this self lubrication bearing 44 abuts self lubrication bearing 44 and adds motility and the anti-wear performance that carrying axle 41 rotates with reseting disk 43 right-hand member, self lubrication bearing 44 is installed simply, improves assembling one after another while ensureing carrying axle 41 running clearance.

In Fig. 3 and Figure 13, carrying axle 41 is provided with carrying torsion spring 42, the quantity of carrying torsion spring 42 is two, lock frame 1 is plugged with torsion spring support 2 421, torsion spring support 2 421 is circular metal bar, and axial long otch, torsion spring support 2 421 is placed in the lower section of carrying axle 41, one end of carrying torsion spring 42 is connected to torsion spring support 2 421, the other end of carrying torsion spring 42 is placed in the lower surface of allocated catch 431, carrying torsion spring 42 one end is placed in allocated catch 431 lower surface, and two carrying torsion spring 42 ends being placed in allocated catch 431 lower surface are mutually permanently connected.

Embodiment three, consulting Fig. 1, Fig. 3 and Figure 10, automatic unlocking mechanism 6, including piston cylinder 61, cylinder 61 is fixed on the cap locations of lock frame 1 by two screws by piston cylinder 61, down, the first square axis portion 411 is arranged with connecting plate 62 to the piston rod 63 of piston cylinder 61, when piston rod 63 ejects, its plate 62 in succession, ground, end, making connecting plate 62, carrying axle 41 and allocated catch 431 synchronous axial system, it makes allocated catch 431 screw out locked groove 22, reaches purpose of unblanking. If hinged between piston rod 63 and connecting plate 62, certainly will cause that resistance when carrying torsion spring 42 resets increases, reduce and carry sensitivity when axle 41 resets, and piston rod 63 and described connecting plate 62 leave gap and effectively solve the technical problem that above-mentioned sensitivity is low.

Embodiment four, consult Fig. 3 and Fig. 4, hand-operating unlocking mechanism 7, including being provided with swing frame 71, swing frame 71 is arranged on lock frame 1 by rotating shaft, and swing frame 71 is fixed with plectrum 72, connecting plate 62 is extended with long-armed plate 73, long-armed plate 73 is longer than connecting plate 62 so that the arm of force of manual operation is longer, and manual unlocking is lighter;

The upper surface of plectrum 72 is provided with the first inclined-plane 74, described long-armed plate 73 is provided with the second inclined-plane 75, can fit with the second inclined-plane 75 in first inclined-plane 74, the design on the first inclined-plane 74 and the second inclined-plane 75 increases the contact area of plectrum 72 and long-armed plate 73, make long-armed bar stress in collision process more stable so that the running accuracy of carrying axle 41 is more high.

Manually unblank step: plectrum 72 and piston rod 63 are respectively placed in the both sides of long-armed plate 73, rotate long-armed plate 73 that plectrum 72 makes upwards 73 rotate, and then drive connecting plate 62, carrying axle 41 and allocated catch 431 synchronous axial system, make allocated catch 431 screw out locked groove 22 and realize unblanking.

Being provided with reduction torsion spring 76 on swing frame 71, the two ends of reduction torsion spring 76 are separately fixed at lock frame 1 with on swing frame 71, and swing frame 71 rotates, and makes reduction torsion spring 76 deformation, and people unclamps swing frame 71, and reduction torsion spring 76 makes swing frame 71 reversely rotate and returns to initial position.

Described lock frame 1 is plugged with gag lever post 77, and gag lever post 77 is for round bar and is placed in below plectrum 72, and under the driving of reduction torsion spring 76, plectrum 72 rotates down and is connected to gag lever post 77, it is prevented that swing frame 71 reciprocating swing under the elastic force of reduction torsion spring 76; In reciprocating swing process, the long-armed plate 73 of collision that plectrum 72 can be again slight makes allocated catch 431 screw out downwards locked groove 22 and realizes unexpected unblanking, and the unlocking mechanism made is unstable, and gag lever post 77 bar directly limit swing frame 71 and swings, and solves above-mentioned technical problem.

Owing to plectrum 72 and piston rod 63 are respectively placed in the both sides of long-armed plate 73 so that manual unlocking or the mutual component of automatic unlocking is formed without resistancing action time no matter.

Embodiment five: lock frame 1, consults Fig. 8 and Fig. 9, and lock frame 1 includes base plate 11, and base plate 11 is the rectangular-shaped plate having otch, and otch is placed in the long edge position of base plate 11, and the top of base plate 11 is welded with riser group.

Wherein, base plate 11 coordinates fixing with door body, the lower surface of this base plate 11 is provided around reinforcement 121, arrange along the edge around base plate 11 around reinforcement 121, being provided with cross reinforcing rib 122 around reinforcement 121 is internal, cross reinforcing rib 122 is arranged vertically by vertical strengthening ribs and cross reinforcing and is formed, and the quantity of cross reinforcing rib 122 is for being three, and vertical strengthening ribs is connected with around reinforcement 121, increase the structural strength of base plate 11 around reinforcement 121 and cross reinforcing rib 122; Being connected in latticed with cross reinforcing rib 122 around reinforcement 121, the feature utilizing netting gear tensioned further makes the structural strength of base plate 11 increase. Base plate 11 becomes in actual installation face and is constituted contact surface by reinforcement bottom surface, and the setting of reinforcement also effectively reduces the real contact area of base plate 11, it is easy to the processing of bottom surface flatness, improves the flatness of bottom surface so that the installation of lock frame 1 is more accurate.

Base plate 11 offers hole, two location, the hole, location of left end is oval hole, the hole, location of right-hand member is circular hole, and hole, two location is placed between adjacent cross reinforcing rib 122, and the edge in hole, location is provided with circular arc reinforcement 123, hole, location coordinates so that installing more accurate, quick with locating piece in door body, and the design of circular arc reinforcement 123 further adds the structural strength of base plate 11 so that stable being arranged in door body of base plate 11.

Optimizing further, described riser group includes first side plate the 14, second side plate 15, and the first side plate 14 is placed in left side, and the second side plate 15 is placed in right side, and the first side plate 14 and the second side plate 15 are arranged in parallel; First side plate 14 and the second side plate 15 all offer two axis holes, axis hole is used for installing rotating shaft 3 and carrying axle 41, the axle sleeve that axis hole is extended to the right, adds rotating shaft 3/ and carries the contact area between axle 41 and side plate, make rotating shaft 3/ carry axle 41 rotary gap less, rotate more stable.

First side plate 14 offers three lightening holes 13, the second side plate 15 offers two lightening holes 13, and lightening hole 13 is rounded.Lightening hole 13 reduces the heavy burden of lock frame 1 so that lock frame 1 is more light when picking and placeing. And alleviating of side plate weight reduces the intensity effect born a heavy burden to side plate Yu base plate 11 junction so that the structural strength of lock frame 1 increases; The concentrated stress that circular port is subject to is less so that side plate still has stronger structural strength after perforate.

The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model. It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, these improvements and modifications also should be regarded as protection domain of the present utility model.

Claims (10)

1. the door lock assembly of a stopping sliding door, including lock frame (1), carrying axle (41) and catch bar (56), it is characterized in that, described lock frame (1) is articulated with the lock fork (2) with dashpot (21) Yu locked groove (22), described carrying axle (41) is provided with carrying torsion spring (42) and allocated catch (431), the quantity of carrying torsion spring (42) is even number and the both sides being placed in allocated catch (431), described allocated catch (431) is connected to lock fork (2) by carrying torsion spring (42), under the driving of catch bar (56), described lock fork (2) rotates around pivoting point and makes described allocated catch (431) be sequentially clamped in dashpot (21) and locked groove (22), described carrying axle (41) is provided with the hand-operating unlocking mechanism (7) and the automatic unlocking mechanism (6) that drive allocated catch (431) to screw out locked groove (22).

2. the door lock assembly of stopping sliding door according to claim 1, it is characterized in that, reseting disk (43) is fixed in described allocated catch (431), described reseting disk (43) is sheathed on the square axis portion of described carrying axle (41), and described carrying axle (41) is arranged with the self lubrication bearing (44) being fixed on lock frame (1).

3. the door lock assembly of stopping sliding door according to claim 1 and 2, it is characterized in that, described lock fork (2) is plugged in the lockhole (24) of described lock frame (1) by rotating shaft (3), bearing (25) it is provided with between described rotating shaft (3) and lockhole (24), described rotating shaft (3) is provided with torsion spring of unblanking (26), described in unblank torsion spring (26) drive shaft (3) be in reverse to described catch bar (56) driving direction rotate.

4. the door lock assembly of stopping sliding door according to claim 3, it is characterized in that, described catch bar (56) is the gas bar of cylinder (55), one end of described catch bar (56) is articulated with described lock fork (2), described cylinder (55) is placed in the lower section of lock fork (2) and its cylinder body is articulated with described lock frame (1), and the rod chamber of described cylinder (55) offers passage.

5. the door lock assembly of the stopping sliding door according to claim 1 or 4, it is characterized in that, described lock frame (1) is plugged with the torsion spring support one (271) with axial cut-outs, described torsion spring support one (271) is placed in the top of described rotating shaft (3), described lock fork (2) is provided with the torsional spring slot (23) being placed in rotating shaft (3) lower section, the quantity of described torsion spring of unblanking (26) is even number and the both sides being uniformly sheathed on lock fork (2), unblank one end of torsion spring (26) is connected to torsion spring support one (271), the unblank other end of torsion spring (26) is placed in torsional spring slot (23), and torsion spring of unblanking (26) end in described torsional spring slot (23) is mutually permanently connected.

6. the door lock assembly of stopping sliding door according to claim 1, it is characterized in that, lock frame (1) is provided with the torsion spring support two (421) of axial cut-outs, described torsion spring support two (421) is placed in the lower section of carrying axle (41), one end of carrying torsion spring (42) is connected to torsion spring support two (421), the other end of carrying torsion spring (42) is placed in the lower surface of allocated catch (431), and is mutually permanently connected in carrying torsion spring (42) end of described allocated catch (431) lower surface.

7. the door lock assembly of stopping sliding door according to claim 1, it is characterized in that, including limit assembly (5), described limit assembly (5) includes the blend stop (54) being fixed on lock frame (1), described lock fork (2) is provided with arc surface (51), the two ends of described arc surface (51) are outward extended with retaining wall of unblanking (52) and locking retaining wall (53), and described blend stop (54) is along (51) relative movement of described arc surface and is connected to retaining wall of unblanking (52) or locking retaining wall (53).

8. the door lock assembly of the stopping sliding door according to claim 1 or 6 or 7, it is characterized in that, described automatic unlocking mechanism (7) includes piston cylinder (61) and the connecting plate (62) being fixed on rotating shaft (3), the piston rod (63) of described piston cylinder (61) is placed in the side of connecting plate (62) and this piston rod (63) and leaves gap with described connecting plate (62), and described piston rod (63) drives connecting plate (62) to rotate and drives allocated catch (431) to screw out locked groove (22).

9. the door lock assembly of stopping sliding door according to claim 8, it is characterized in that, described hand-operating unlocking mechanism includes swing frame (71), described swing frame (71) is fixed with plectrum (72), described connecting plate (62) is in reverse to one end of piston rod (63) and is extended with longer long-armed plate (73), described plectrum (72) and piston rod (63) are respectively placed in the both sides of long-armed plate (73), rotating plectrum (72) drives long-armed plate (73) to rotate, and described plectrum (72) is provided with the first inclined-plane (74), described long-armed plate (73) is provided with the second inclined-plane (75) fitted with described first inclined-plane (74), described swing frame (71) is provided with reduction torsion spring (76), described lock frame (1) is fixed with gag lever post (77), the one side that described plectrum (72) deviates from long-armed plate (73) under the driving of described reduction torsion spring (76) is connected to described gag lever post (77).

10. the door lock assembly of stopping sliding door according to claim 1, it is characterized in that, described lock frame (1) includes base plate (11) and the side plate being fixed on base plate (11), the lower surface of described base plate (11) is provided with latticed reinforcement group (12), described reinforcement group (12) include arranging along base plate (11) edge around reinforcement (121), described in reinforcement (121), it is provided with the cross reinforcing rib (122) being connected with around reinforcement (121), described side plate is used for installing carrying axle (41) and side plate offers lightening hole (13).