CN203412390U - Safety lockset - Google Patents

Abstract

The utility model discloses a safety lockset, and relates to the field of locksets. A shifting fork of an inverted V-shaped rotary arm is used for driving an arc-shaped shifting ring to progressively shift to achieve unlocking. When wrong passwords are input, a returning wheel drives a returning pull ring to shift, a clamping buckle is stirred by the returning pull ring until the arc-shaped shifting ring restores to the password input initial state. After all passwords are correctly input in sequence, the arc-shaped shifting ring drives a pawl to rotate, and a J-shaped key bounces and is clamped with a blade-shaped inner bend of the inverted V-shaped rotary arm for unlocking through the series of movement of a ratchet wheel sleeve and a ratchet wheel sleeve torsional spring. The safety lockset is simple in structure, convenient to operate and excellent in safety protective performance.

Description

A kind of safety lockset

Technical field

The utility model relates to a kind of lockset, is specifically related to a kind of safety lockset.

Background technology

Lockset applicating history with lockhole is long, easy to use indispensable in common people's daily life because of it, but in use procedure, drawback also progressively manifests, as: user's key loss or after leaving behind, need technology unlocking or to lockset violence damage, just can enter indoorly, when key falls into its loss of lawless people hand, be more difficult to estimate; Secondly lockhole causes the case that lockset is scrapped to happen occasionally for foreign body obstruction or the process key fracture of unblanking because of people, and it has increased extra-pay expenditure when making troubles to people's Working Life; Common lock lamps structure intensity is low in addition, pick-proof poor performance has also reduced the safety that lockset uses.

Summary of the invention

Technical problem to be solved in the utility model is to provide simple in structure, easy to operate, a kind of safety lockset of barrier propterty excellence.

For solving the problems of the technologies described above, a kind of safety lockset of the utility model, comprises the lock body that is fixed with locking closure, and lock body is provided with inner handle, locking closure is provided with outdoor handle, lock body one side is provided with " recessed " shape dead bolt and safety latch, and lock body top is provided with lock bolt tie rod, below is provided with lower lock bolt tie rod, described lock body is built-in with bottom bracket axle, described bottom bracket axle is connected with down respectively " V " shape pivoted arm and interior rotating shaft along axis two ends, described " V " shape pivoted arm is connected with outdoor handle, interior rotating shaft is connected with inner handle, described bottom bracket axle is also flexibly connected with upper lock bolt tie rod, lower lock bolt tie rod respectively by the auxiliary tie rod of correspondence respectively, upper lock bolt tie rod, lower lock bolt tie rod are flexibly connected by corresponding limit shaft with each self-corresponding auxiliary tie rod, and described limit shaft is movably set in locking closure below by guide groove, described safety latch is built-in with corresponding interior door bolt lid at lock body, interior door bolt lid is fixed in lock body, described safety latch one end is provided with fixed block, on safety latch, be provided with safety latch displacement groove, described safety latch one side is also provided with lock dog shift fork, and described lock dog shift fork one end is connected with the bottom bracket axle projection of bottom bracket axle with the flexible connection of safety latch displacement groove, the other end, described " recessed " shape dead bolt is provided with driving lever in dead bolt, after " recessed " shape dead bolt, be equipped with dead bolt handle, dead bolt handle is provided with the outer driving lever of dead bolt, and " recessed " shape dead bolt is provided with the first stage clip by the first stage clip limiting plate, described the first stage clip limiting plate fixing with lock body in, described dead bolt handle is connected with telescopic shaft, and telescopic shaft is provided with the second stage clip, described lock body inside wall is fixed with reset frame, described reset frame is connected with link rod by the first backing pin, described link rod is provided with the first reduction torsion spring and is connected with ouble bar link one end by the second backing pin, between described ouble bar link and link rod, be also provided with the second reduction torsion spring, the other end of described ouble bar link is flexibly connected with " V " shape pivoted arm one end by the 3rd backing pin, described " V " shape pivoted arm other end is provided with shift fork, after shift fork, be equipped with fork spring, shift fork below is provided with arc Working rack, arc work support surface is disposed with some parallel advancing, working path, return road, described several rows access, working path, the top in return road is provided with return button, return button is movably connected on arc Working rack, irregular effect wheel or the return wheel of being provided with in described working path below, described effect wheel below is connected with arc shift(ing) ring, and described return wheel below is connected with return draw ring, irregularly on described arc shift(ing) ring be provided with some projections, arc shift(ing) ring one side is also provided with arc shift(ing) ring return spring, arc shift(ing) ring one end is fixed with " L " shape traversing carriage and draw-in groove, described draw-in groove one side is provided with buckle, described buckle is movably connected on arc Working rack by pin, and described buckle is also provided with torsion spring, irregularly on described return draw ring be provided with some square draw-in grooves, return draw ring one end is connected with buckle, describedly fall crook in " V " shape pivoted arm and be provided with " J " shape key, " V " shape pivoted arm one side of falling is provided with dead bolt handle wiper arm, and dead bolt handle wiper arm is arranged in lock body and respectively and is connected with " J " shape key with the outer driving lever of dead bolt, described " J " shape key arch is connected with spring leaf and is provided with ratchet sleeve in one side, described ratchet sleeve is provided with position-limitting pin and ratchet sleeve torsion spring, and ratchet sleeve one side is movably set with ratchet by ratchet bearing pin, and ratchet head is connected with arc shift(ing) ring with ratchet sleeve clamping, afterbody, described interior rotating shaft one side is provided with interior rotating shaft reduction torsion spring by some interior rotating shaft torsion spring pins, described " V " shape pivoted arm below is also provided with lower convex platform, lower convex platform underside is provided with control rocking arm, control rocking arm and be provided with control rocking arm torsional spring, described control rocking arm one side is provided with axis pin base, on axis pin base, be connected with movable sleeve, movable sleeve top rail is equipped with control bearing pin, controls bearing pin and is connected with control cross bar by controlling bearing pin position-limitting pin, control cross bar and be connected with bottom bracket axle, described control bearing pin is provided with spring, described ratchet is also connected with buckle driving lever by return spring, and one end of described buckle driving lever is flexibly connected with buckle, the other end is placed in telescopic shaft rear end.The utility model has been overturned existing lockset design concept, has overcome external keyhole design drawback, and after lock body, locking closure connect, appearance is bright and clean, smooth, attractive in appearance, and its security protection performance significantly promotes; In addition, lockset bright and clean even curface has increased that violence is unblanked and the difficulty of technology release.The program of unblanking of entering the room of the present utility model comprises that backspin outdoor handle is decoded and backspin outdoor handle is unblanked.Lockset before installation by effect take turns, the projection of return wheel and arc shift(ing) ring arranges corresponding unlocking pin, in actual application in case of the accidents such as encrypted message leakage also can be taken turns by effect, the raised position transposing of return wheel and arc shift(ing) ring realizes change of secret code, its easy to operate, quick, reliable, good stability.Arc Working rack top arranges and somely parallel advances, working path, return road; Working path is provided with effect wheel or return wheel, and when effective operation inputs proper password, effect wheel drives arc shift(ing) ring displacement and prevents resilience by buckle clamping draw-in groove; During invalid operation, return wheel drives the displacement of return draw ring during Password Input mistake, after the displacement of return draw ring, drives buckle to upwarp, and the arc shift(ing) ring of clamping in early stage bounces back to original state under the drive of arc shift(ing) ring return spring, and lockset cannot be opened.The utility model outdoor handle dextrorotation gyration is 0 °-90 °, for ease of memory, the angle value of 0 °-90 °, divides equally and coupling numeral 1-9 in order, and the distance between respectively advancing is corresponding with outdoor handle rotary operation angle.During release, outdoor handle is rotated down and drives " V " shape pivoted arm to rotate along axis simultaneously, rotate and to fall the shift fork arranging on " V " shape pivoted arm simultaneously and by advancing, enter successively working path, in traveling process, shift fork shock working path sends the minor impact sound and produces corresponding vibrations and conducts to outdoor handle, and operating personnel can accurately judge that shift fork enters working path number of times and determines Password Input with this according to the number of times that clashes into the sound and outdoor handle vibrations.Working path corresponding to the utility model proper password below is provided with effect wheel, when shift fork from working path by time drives below effect wheel to rotate, effect is taken turns and is driven arc shift(ing) ring to bottom offset by projection; The buckle clamping arranging on the draw-in groove arranging on it after arc shift(ing) ring displacement certain distance and arc support.After first password of correct input, outdoor handle returns to initial level state, and by same operation, outdoor handle rotation to next correct angle can drive the operation of next effect wheel to realize second cryptogram decoding; Customer determines the number of operations of lower rotation outdoor handle according to the figure place of password setting, in operating process, the angle of the each correct rotation of outdoor handle is password, and it is by slight vibrations and clash into sound alert.When the each backspin of outdoor handle change the line of production the raw sound or vibrations number of times all with password is set early stage coincide and can realize lockset decoding.Be correctly decoded arc shift(ing) ring in process and realize laddering displacement under a plurality of effect wheels drive, the ratchet that reaches the connection of setting value rear arc shift(ing) ring when shift length rotates along pawl axis, ratchet rotates simultaneously and departs from the ratchet sleeve of its clamping, " J " shape key slippage that ratchet sleeve compresses after rotating under the effect of ratchet sleeve torsion spring, at this moment " J " shape key under spring leaf effect, upspring and with fall curved clamping in the bladed of " V " shape pivoted arm, when outdoor handle is reset to horizontal while being again rotated down, fall after " V " shape pivoted arm is stirred safety latch by lock dog shift fork and move, by the dead bolt wiper arm of shaking hands, stir dead bolt and shake hands and drive " recessed " shape dead bolt retraction, bottom bracket axle also drives lock bolt tie rod and lower lock bolt tie rod retraction in addition, above-mentioned action completes and can open the door.When completing unlocking action, after the telescopic shaft that moves promote buckle driving lever operation and drive buckle perk, the arc shift(ing) ring of buckle clamping resets rapidly, lockset recovers again lockup state.After having decoded, " L " shape traversing carriage presses down return button and can realize next step unlocking action, and in decode procedure, shift fork can enter next operation sequence by return button from the top of advancing smoothly.In operating process as not according to rotating outdoor handle under correct password, what shift fork was stirred in effect road is that return is taken turns but not effect wheel, the return wheel of stirring drives return draw ring bottom offset to drive buckle perk by square draw-in groove simultaneously, arc shift(ing) ring departs from buckle and is arrested under the drive of arc shift(ing) ring return spring and is reset to rapidly original state, at this moment inputting the password operating personnel of all cancelling early stage need re-enter, and arc shift(ing) ring can not just can not be realized release forever by setpoint distance displacement lockset.At closing time indoor, " recessed " shape dead bolt is compressed by doorframe or inner handle drives retraction, after " recessed " shape dead bolt enters the built-in hole of doorframe, reset ejection realization is closed the door, and the first stage clip limiting plate of the first stage clip postposition can be independent of other transmission mechanism while making the operation of " recessed " shape dead bolt.During indoor opening the door, rotarily drive interior rotating shaft rotation under inner handle, interior rotating shaft drives driving lever displacement back pullout (BPO) in dead bolt, and the interior rotating shaft reduction torsion spring of interior rotating shaft one side setting suppresses interior rotating shaft and drives inner handle to return to horizontal original state opening the door after having moved.While going out, outdoor handle rotates up and drives down " V " shape pivoted arm inverse time to rotate, with fall upper lock bolt tie rod, the lower lock bolt tie rod that safety latch that " V " shape pivoted arm is connected and bottom bracket axle connect three directions of door upper, middle and lower fastened to increase safety, after loose outdoor handle, the first reduction torsion spring, the second reduction torsion spring are reset to level by link rod and ouble bar link drive outdoor handle.

The interior crook of further " V " shape pivoted arm is provided with in bladed curved, and in this bladed, curved thin thickness is convenient to " J " shape key and its clamping, significantly increases lockset release sensitivity.

Further after dead bolt handle, be equipped with driving lever spacing hole, buckle driving lever is connected with the buckle arranging on arc Working rack after passing driving lever spacing hole, and it significantly improves operating efficiency and has guaranteed to unblank to realize lockset locking simultaneously.

The utility model is simple in structure, easy to operate, and it has overcome the limitation of using with keyhole lock tool, has thoroughly solved the inconvenience that in daily life, key need be carried, and has stopped the potential safety hazard that key loss is brought.Lock body, the airtight security performance that has increased lockset that arranges of locking closure, it has significantly increased, and violence is unblanked and the difficulty of technology unlocking.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Fig. 2 is that Fig. 1 is along B-B to sectional view;

Fig. 3 is " recessed " shape dead bolt and dead bolt pull handle arrangement schematic diagram;

Fig. 4 is that Fig. 1 is along A-A to sectional view;

Fig. 5 is " J " shape Key structure schematic diagram;

Fig. 6 is " J " shape key and ratchet top view;

Fig. 7 is interior rotating shaft and interior rotating shaft reduction torsion spring connection diagram;

Fig. 8 is bottom bracket axle and safety latch work schematic diagram;

Fig. 9 controls rocking arm and controls pin shaft structure schematic diagram;

Figure 10 is that Fig. 2 is along E-E to sectional view;

Figure 11 is that Fig. 2 is along D to schematic diagram;

Figure 12 is that Fig. 2 is along C to partial schematic diagram;

Figure 13 is down " V " shape pivoted arm structure schematic diagram.

The specific embodiment

Below in conjunction with accompanying drawing, the utility model is further described:

As shown in figure 1 to figure 13, a kind of safety lockset of the utility model, comprises the lock body 1 that is fixed with locking closure 2, and lock body 1 is provided with inner handle 26, locking closure 2 is provided with outdoor handle 3, lock body 1 one sides are provided with " recessed " shape dead bolt 5 and safety latch 6, and lock body 1 top is provided with lock bolt tie rod 8, below is provided with lower lock bolt tie rod 9, described lock body 1 is built-in with bottom bracket axle 14, described bottom bracket axle 14 is connected with down respectively " V " shape pivoted arm 4 and interior rotating shaft 7 along axis two ends, described " V " shape pivoted arm 4 is connected with outdoor handle 3, interior rotating shaft 7 is connected with inner handle 26, described bottom bracket axle 14 is also flexibly connected with upper lock bolt tie rod 8, lower lock bolt tie rod 9 respectively by corresponding auxiliary tie rod 13 respectively, upper lock bolt tie rod 8, lower lock bolt tie rod 9 are flexibly connected by corresponding limit shaft 33 with each self-corresponding auxiliary tie rod 13, and described limit shaft 33 is movably set in locking closure 2 belows by guide groove 65, described safety latch 6 is built-in with corresponding interior door bolt lid 54 at lock body 1, interior door bolt lid 54 is fixed in lock body 1, described safety latch 6 one end are provided with fixed block 53, on safety latch 6, be provided with safety latch displacement groove 67, described safety latch 6 one sides are also provided with lock dog shift fork 32, and described lock dog shift fork 32 one end are connected with the bottom bracket axle projection 68 of bottom bracket axle 14 with 67 flexible connections of safety latch displacement groove, the other end, described " recessed " shape dead bolt 5 is provided with driving lever 5a in dead bolt, after " recessed " shape dead bolt 5, be equipped with dead bolt handle 28, dead bolt handle 28 is provided with the outer driving lever 28a of dead bolt, " recessed " shape dead bolt 5 is provided with the first stage clip 27 by the first stage clip limiting plate 62, described the first stage clip limiting plate 62 fixing with lock body 1 in, described dead bolt handle 28 is connected with telescopic shaft 29, and telescopic shaft 29 is provided with the second stage clip 30, described lock body 1 inside wall is fixed with reset frame 34, described reset frame 34 is connected with link rod 10 by the first backing pin 35, described link rod 10 is provided with the first reduction torsion spring 12 and is connected with ouble bar link 11 one end by the second backing pin 36, 10 of described ouble bar link 11 and link rods are also provided with the second reduction torsion spring 57, the other end of described ouble bar link 11 is flexibly connected with " V " shape pivoted arm 4 one end by the 3rd backing pin 37, described " V " shape pivoted arm 4 other ends are provided with shift fork 24, after shift fork 24, be equipped with fork spring 38, shift fork 24 belows are provided with arc Working rack 31, arc Working rack 31 surfaces are disposed with somely parallel advances 21, working path 23, return road 22, described several rows access 21, working path 23, the top in return road 22 is provided with return button 69, return button 69 is movably connected on arc Working rack 31, irregular effect wheel 39 or the return wheel 40 of being provided with in described working path 23 belows, described effect is taken turns 39 belows and is connected with arc shift(ing) ring 17, and described return is taken turns 40 belows and is connected with return draw ring 47, irregularly on described arc shift(ing) ring 17 be provided with some protruding 48, arc shift(ing) ring 17 1 sides are also provided with arc shift(ing) ring return spring 66, arc shift(ing) ring 17 one end are fixed with " L " shape traversing carriage 25 and draw-in groove 41, described draw-in groove 41 1 sides are provided with buckle 42, described buckle 42 is movably connected on arc Working rack 31 by pin 43, and described buckle 42 is also provided with torsion spring 44, irregularly on described return draw ring 47 be provided with some square draw-in groove 47a, return draw ring 47 one end are connected with buckle 42, described " V " shape pivoted arm 4 interior crooks are provided with " J " shape key 18, and " V " shape pivoted arm 4 one sides of falling are provided with dead bolt handle wiper arm 19, and dead bolt handle wiper arm 19 is arranged in lock body 1 and is also connected with " J " shape key 18 with the outer driving lever 28a of dead bolt respectively, described " J " shape key 18 arches are connected with spring leaf 45 and are provided with ratchet sleeve 46 in one side, described ratchet sleeve 46 is provided with position-limitting pin 50 and ratchet sleeve torsion spring 49, and ratchet sleeve 46 1 sides are movably set with ratchet 16 by ratchet bearing pin 55, and ratchet 16 heads are connected with arc shift(ing) ring 17 with ratchet sleeve 46 clampings, afterbody, described interior rotating shaft 7 one sides are provided with interior rotating shaft reduction torsion spring 63 by some interior rotating shaft torsion spring pins 64, described " V " shape pivoted arm 4 belows are also provided with lower convex platform 4a, lower convex platform 4a underside is provided with controls Rocker arm 58, control Rocker arm 58 and be provided with control rocking arm torsional spring 59, described control Rocker arm 58 one sides are provided with axis pin base 61, on axis pin base 61, be connected with movable sleeve 60, movable sleeve 60 top rails are equipped with controls bearing pin 20, controls bearing pin 20 and is connected with control cross bar 71 by controlling bearing pin position-limitting pin 52, control cross bar 71 and be connected with bottom bracket axle 14, described control bearing pin 20 is provided with spring 51, described ratchet 16 is also connected with buckle driving lever 15 by return spring 56, and one end of described buckle driving lever 15 is flexibly connected with buckle 42, the other end is placed in telescopic shaft 29 rear ends.

" V " shape pivoted arm 4 interior crooks are provided with bladed interior curved 70.

Dead bolt 28 afterbodys of shaking hands are also provided with driving lever spacing hole 28b.

After shift fork 24 of the present utility model, be equipped with fork spring 38, fork spring 38 can make shift fork 24 be better expert at access 21, return road 22, the interior movement of working path 23, improves operating efficiency.The shock sound sending when outdoor handle 3 is rotated down while unblanking and vibrations number of times are unlocking pin with numeral expression.When clash into the number of times of the sound or perception vibrations be equal to first password is set after on carry outdoor handle 3 to initial level state, the shift fork 24 that arranges on " V " shape pivoted arm 4 of carrying simultaneously on outdoor handle 3 21 enters return road 22 through working path 23 from advancing, when the correct working path 23 of shift fork 24 process, stir the effect wheel 39 that below arranges, effect is taken turns 39 and is driven 17 displacements of arc shift(ing) ring; When Password Input mistake, shift fork 24 enters the return wheel 40 that wrong working path 23 soon drives its below to arrange, and return wheel 40 drives 47 operations of return draw ring again.When the each lower anglec of rotation of outdoor handle 3 all correctly and after the initial shape of the level that is reset to again presses down and can realize release.Shift fork 24 can enter next decoding operation procedure by return button 69 smoothly in decode procedure; After " L " shape traversing carriage 25 retardances that decoding completes, return button 69 is moved down, shift fork 24 can not enter from 21 tops of advancing.After having decoded " J " shape key 18 by spring leaf 45 reset upspring and with fall curved 70 clampings in the bladed of " V " shape pivoted arm 4, again press down outdoor handle 3, dead bolt handle wiper arm 19 drives the outer driving lever 28a of dead bolt to open to " recessed " shape dead bolt 5 retraction back doors, when outdoor handle turns to open for 3 times, controlling bearing pin 20 also rotates down thereupon and stirs and control Rocker arm 58 its level is toppled over, go out to go up and rotate outdoor handle 3 when lockset is insured, control Rocker arm 58 and recover initial erectility, outdoor handle 3 recovers horizontal original state under the effect of the first reduction torsion spring 12 and the second reduction torsion spring 57, after the lower convex platform 4a of " V " shape pivoted arm 4 is controlled Rocker arm 58 retardances, outdoor handle 3 can only rotate up once.

The lockset release operation that the password of take is set to " five ", " six ", " two " is example: during outdoor unblanking, operating personnel are manually rotated down outdoor handle 3, by shift fork 24, enter the slight sound and the vibrations number of times that working path 23 sends and determine corresponding Password Input, when occurring that five shock sounds can judge that first password number " five " inputted and rotated up outdoor handle 3 and made shift fork 24 enter second Password Input state.In decode procedure, shift fork 24 can enter the track of advancing of second password after being returned by return road 22 smoothly by return button 69, and operating personnel complete follow-up password " six " and " twos' " decoding by said method.In the time of decode operation, shift fork 24 drives its lower effect wheel 39 arranging to rotate when working path 23, effect wheel 39 drives arc shift(ing) ring 17 bottom offsets by projection 48, and draw-in groove 41 and buckle 42 clampings that in the time of arc shift(ing) ring 17 bottom offset, its one end arranges stop its resilience; Corresponding password " six ", " two " decoding be also bottom offset same distance separately of arc shift(ing) ring 17 simultaneously, after the each displacement of arc shift(ing) ring 17 all by the laddering clamping of buckle 42.As shown in Fig. 2, Fig. 5, Fig. 6, after arc shift(ing) ring 17 shift lengths reach setting value and decoded, ratchet 16 rotates with ratchet sleeve 46 and departs from, ratchet sleeve 46 rotates with " J " shape key 18 and departs under ratchet sleeve torsion spring 49 drives, " J " shape key 18 of constraint relief under the effect of spring leaf 45, upspring and with fall curved 70 clampings in the bladed of " V " shape pivoted arm 4, again press down outdoor handle 3, dead bolt handle wiper arm 19 is recessed when driving dead bolt to shake hands 28 rear displacement " shape dead bolt 5 retractions; Upper lock bolt tie rod 8, lower lock bolt tie rod 9 retraction, its corresponding upper and lower doorframe insurance connecting under bottom bracket axle 14 drives are pulled back; Safety latch 6 is stirred lower retraction at lock dog shift fork 32; Above-mentioned action completes back door simultaneously and opens.

When door is closed, " recessed " shape dead bolt 5 is compressed by doorframe or lower rotation inner handle 26 bounces back to it, and after door is closed, " recessed " shape dead bolt 5 stretches out under the suppressing of the first stage clip 27, and " recessed " shape dead bolt 5 closes with doorframe door bolt clamping back door, hole.While going out to need door capable of being opened insurance, manually rotate up outdoor handle 3 to required angle, safety latch 6 is stirred lower ejection at lock dog shift fork 32, and bottom bracket axle 14 drives upper lock bolt tie rod 8, the corresponding side door bolt connecting of lower lock bolt tie rod 9 to insert doorframe door bolt hole and fulfil assignment simultaneously.

The utility model is simple in structure, easy to operate, bright and clean without the lockset surfacing of keyhole, increased that violence is unblanked and the difficulty of technology release, customer only need remember that password just can open lockset, when lockset encrypted message is revealed, and can be to change of secret code to increase safety.

Claims (3)

1. a safety lockset, comprises the lock body (1) that is fixed with locking closure (2), and lock body (1) is provided with inner handle (26), locking closure (2) is provided with outdoor handle (3), lock body (1) one side is provided with " recessed " shape dead bolt (5) and safety latch (6), and lock body (1) top is provided with lock bolt tie rod (8), below is provided with lower lock bolt tie rod (9), it is characterized in that: described lock body (1) is built-in with bottom bracket axle (14), described bottom bracket axle (14) is connected with down respectively " V " shape pivoted arm (4) and interior rotating shaft (7) along axis two ends, described " V " shape pivoted arm (4) is connected with outdoor handle (3), interior rotating shaft (7) is connected with inner handle (26), described bottom bracket axle (14) also respectively by corresponding auxiliary tie rod (13) respectively with upper lock bolt tie rod (8), lower lock bolt tie rod (9) is flexibly connected, upper lock bolt tie rod (8), lower lock bolt tie rod (9) is flexibly connected by corresponding limit shaft (33) with each self-corresponding auxiliary tie rod (13), described limit shaft (33) is movably set in locking closure (2) below by guide groove (65), described safety latch (6) is built-in with corresponding interior door bolt lid (54) at lock body (1), interior door bolt lid (54) is fixed in lock body (1), described safety latch (6) one end is provided with fixed block (53), on safety latch (6), be provided with safety latch displacement groove (67), described safety latch (6) one sides are also provided with lock dog shift fork (32), and described lock dog shift fork (32) one end is connected with the bottom bracket axle projection (68) of bottom bracket axle (14) with the flexible connection of safety latch displacement groove (67), the other end, described " recessed " shape dead bolt (5) is provided with driving lever (5a) in dead bolt, after " recessed " shape dead bolt (5), be equipped with dead bolt handle (28), dead bolt handle (28) is provided with the outer driving lever (28a) of dead bolt, " recessed " shape dead bolt (5) is provided with the first stage clip (27) by the first stage clip limiting plate (62), described the first stage clip limiting plate (62) fixing with lock body (1) in, described dead bolt handle (28) is connected with telescopic shaft (29), and telescopic shaft (29) is provided with the second stage clip (30), described lock body (1) inside wall is fixed with reset frame (34), described reset frame (34) is connected with link rod (10) by the first backing pin (35), described link rod (10) is provided with the first reduction torsion spring (12) and is connected with ouble bar link (11) one end by the second backing pin (36), between described ouble bar link (11) and link rod (10), be also provided with the second reduction torsion spring (57), the other end of described ouble bar link (11) is flexibly connected with " V " shape pivoted arm (4) one end by the 3rd backing pin (37), described " V " shape pivoted arm (4) other end is provided with shift fork (24), after shift fork (24), be equipped with fork spring (38), shift fork (24) below is provided with arc Working rack (31), arc Working rack (31) surface is disposed with some parallel advancing (21), working path (23), return road (22), described several rows access (21), working path (23), the top in return road (22) is provided with return button (69), return button (69) is movably connected on arc Working rack (31), irregular effect wheel (39) or the return wheel (40) of being provided with in described working path (23) below, described effect wheel (39) below is connected with arc shift(ing) ring (17), and described return wheel (40) below is connected with return draw ring (47), the upper irregular some projections (48) that are provided with of described arc shift(ing) ring (17), arc shift(ing) ring (17) one sides are also provided with arc shift(ing) ring return spring (66), arc shift(ing) ring (17) one end is fixed with " L " shape traversing carriage (25) and draw-in groove (41), described draw-in groove (41) one sides are provided with buckle (42), described buckle (42) is movably connected on arc Working rack (31) by pin (43), and described buckle (42) is also provided with torsion spring (44), the upper irregular some square draw-in grooves (47a) that are provided with of described return draw ring (47), return draw ring (47) one end is connected with buckle (42), the described interior crook of " V " shape pivoted arm (4) is provided with " J " shape key (18), " V " shape pivoted arm (4) one sides of falling are provided with dead bolt handle wiper arm (19), and dead bolt handle wiper arm (19) is arranged in lock body (1) and respectively and is connected with " J " shape key (18) with the outer driving lever (28a) of dead bolt, described " J " shape key (18) arch is connected with spring leaf (45) and is provided with ratchet sleeve (46) in one side, described ratchet sleeve (46) is provided with position-limitting pin (50) and ratchet sleeve torsion spring (49), ratchet sleeve (46) one sides are movably set with ratchet (16) by ratchet bearing pin (55), and ratchet (16) head is connected with arc shift(ing) ring (17) with ratchet sleeve (46) clamping, afterbody, described interior rotating shaft (7) one sides are provided with interior rotating shaft reduction torsion spring (63) by some interior rotating shaft torsion spring pins (64), described " V " shape pivoted arm (4) below is also provided with lower convex platform (4a), lower convex platform (4a) underside is provided with controls rocking arm (58), control rocking arm (58) and be provided with control rocking arm torsional spring (59), described control rocking arm (58) one sides are provided with axis pin base (61), on axis pin base (61), be connected with movable sleeve (60), movable sleeve (60) top rail is equipped with controls bearing pin (20), control bearing pin (20) and be connected with control cross bar (71) by controlling bearing pin position-limitting pin (52), controlling cross bar (71) is connected with bottom bracket axle (14), described control bearing pin (20) is provided with spring (51), described ratchet (16) is also connected with buckle driving lever (15) by return spring (56), one end of described buckle driving lever (15) is flexibly connected with buckle (42), the other end is placed in telescopic shaft (29) rear end.

2. a kind of safety lockset according to claim 1, is characterized in that: the described interior crook of " V " shape pivoted arm (4) is provided with in bladed curved (70).

3. a kind of safety lockset according to claim 1, is characterized in that: described dead bolt handle (28) afterbody is also provided with driving lever spacing hole (28b).

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