CN201007129Y - Password setting structure of enciphered lock - Google Patents

Abstract

The utility model relates to a cipher setting structure of the cipher lock, comprising a lock main body, a key-press base, a main locking plate base, a cipher plate base, a resetting base and an upper pushing plate; wherein the utility model mainly equips a setting rod protruding towards the inside of the door on a back cover board of the lock main body, in order to make the user to utilize the setting rod to directly set the cipher and also make the user be able to simply and directly reset the cipher without disassembling the cipher lock, thereby increasing more practical and convenient efficacy capabilities on the whole implementing and utilizing.

Description

The password setting structure of coded lock

Technical field

The utility model is relevant for a kind of password setting structure of coded lock, refer in particular to a kind of user of allowing and need not dismantle the replacing setting that this coded lock can directly carry out its password easily, and use the password setting structure that more increases the coded lock of practical convenient effect characteristic its whole execution.

Background technology

Because the change of transition of age, social conduct, make that various crime dramas constantly take place, crime rate is constantly soaring, especially more constantly keep pouring in deathwatch's incident, make on general door and window to preventing unworthy burglar's intrusion, usually all can on this door and window, add various lockset, to guarantee the safety of personnel, property, reach antitheft effect simultaneously; And lockset kind on the market is numerous, and various lockset all has its different characteristic, wherein a kind of the utilization set the press-started number lockset of number because it need not use key and comparatively convenient on manipulating, gradually accepted use by people.

But because this coded lock is just can unblank in the mode of pushing, makes under long-time the use, can on the button of this coded lock, stay and push vestige, and easily by unworthy password that the burglar learns; So for safety, the designer promptly develops a kind of Permulation door lock structure of variable setting code, allowing the user can reset the password of this lockset voluntarily in the use, and avoids unworthy burglar to learn password.

The Permulation door lock structure of this variable setting code, it mainly is that group is established locking bar, locking bar limiting plate, clip plate, locking bar location-plate and cover plate in the lock housing body, and can be mounted on the body for cooperating; Cooperate lockhole on the clip plate and can and be fan-shaped one on the other clip flange by the relative orientation outside on the locking bar, and when the clip flange that is positioned at the top during towards the inboard, be the password that sets, when pushing the button of preset password, to press together with locking bar, the clip flange that is positioned at the top is moved downwards, can allow the clip section of lockhole of clip plate pass through between each clip flange on the locking bar of pressing and not pressing and make, so that squeeze grip is able to the interlock dead bolt, and reach the purpose of unblanking, when desiring Change Password, need the lock housing body after pulling down on the door body, with a word bottle opener adjust on the locking bar direct adjustment clip flange towards, and the password of variable setting.

Yet, though the Permulation door lock structure of above-mentioned variable setting code can reach the expection effect of change setting password, but implement discovery in the use in its practical operation, this structure is when the change setting password, need earlier it by disassembling on the door body, treat again the careful sign indicating number of change setting after, on the body of again it group being established then that bride visits her parents with her husband for the first time after the wedding, make it seem that in the use comparatively trouble is inconvenient, and still have improved space.

Therefore, in view of this designer adheres to for many years the abundant of these relevant industries and designs and develops and the actual fabrication experience, is studied improvement again at existing structure and defective, provide a kind of password setting structure of coded lock, in the hope of reaching the purpose of better practical value.

The utility model content

The password setting structure of coded lock of the present utility model, it mainly is to convex with the setting bar in the back of the body cover plate of locking main body in door, can allow the user utilize this setting bar directly to carry out the setting of password, allow the user need not dismantle the replacing setting that this coded lock can directly carry out its password easily, and more increase practical convenient effect characteristic its whole execution in the use.

The password setting structure of a kind of coded lock that the utility model provides reaches upward push pedal by lock main body, key base, main lock piece seat, password bar, involution seat and is formed; Wherein:

This locks main body, which is provided with several key holes, be provided with the involution keyhole simultaneously, and on this lock main body, offer grip hole, can be provided with handle for group in this grip hole, this handle is fixedly arranged on the lock main body by the handle holder, and in the lock main body, be connected with push pedal pushing block on, move can utilize upward push pedal pushing block promotion to go up push pedal, the push pedal pushing block is connected with and stirs excellent rotating shaft on this simultaneously, and in last push pedal pushing block and stir and be arranged with handle elasticity recovery element between excellent rotating shaft, and offer porose confession and stir rod and overlap the location of pulling in stirring excellent rotating shaft, this in addition end of stirring rod then cover is pulled and is positioned in the hole that lock body offers, to contract in the dead bolt that can utilize this rotation of stirring rod control lock body, other then covers to pull in the lock body rear and is fixed with back of the body cover plate, and corresponding each key hole and involution keyhole all are concaved with and hold the hole on this back of the body cover plate, in this appearance hole, then be installed with and have elastic component, on this back of the body cover plate, offer the setting hole simultaneously;

This key base, it is fixedly arranged in the lock main body, each key hole and the involution keyhole of corresponding lock main body all convex with sleeve column on this key base, be arranged with flexible member on this sleeve column, and corresponding respectively each key hole and involution keyhole are provided with button and reset key in sleeve column, this button and reset key be able to be subjected on the sleeve column the sheathed outside contact of flexible member protrude from outside the key hole and involution keyhole of lock main body, then all offer guide groove in each sleeve column outside of this key base in addition;

This main lock piece seat, it also is fixedly arranged in the lock main body, the guide groove in the corresponding key base sleeve column outside offers several tanks respectively on this main lock piece seat, can be in this tank for being installed with main lock piece, on this main lock piece, the lower surface is subjected to the flexible member of key base and the flexible member of lock main body to shore spacing respectively, be respectively equipped with against edge and down against edge in this main lock piece inner side end, and in last, down against the intermarginal guiding incline that is provided with, then be respectively equipped with upper embedded groove in this main lock piece outside end face and reach caulking groove down, in addition also can be in this tank for being installed with the involution sheet, on this involution sheet, it is spacing that the flexible member that the lower surface is subjected to key base equally respectively and the flexible member of lock main body are shored, and then is provided with the pushing tow inclined-plane in this involution sheet;

This password bar, its activity is located in the lock main body, and utilize outside the password bar that contact location is nonvoluntary in flexible member and the lock main body moves, each main lock piece of corresponding main lock piece seat all offers sheathed groove on this password bar, can be in this sheathed groove for being arranged with cipher chips, on the inboard corresponding main lock piece of this cipher chips, following caulking groove convexes with an abaculus, then be concaved with groove in this cipher chips outside, have one to set bar in this password bar interlock in addition, this setting bar one end is provided with slide block, end then is convexly set in outside the setting hole of lock main body back of the body cover plate in addition, stirs this password bar can utilize the slide block of setting bar;

This involution seat, the one end is provided with flexible member, each main lock piece of corresponding main lock piece seat all is provided with the elasticity blocking part on this involution seat, this elasticity blocking part just can support the location respectively against edge for the upper and lower of main lock piece, be provided with in the pushing tow inclined-plane of the corresponding main lock piece seat of this involution seat involution sheet in addition and support the inclined-plane, move can utilize the involution sheet to drive the involution seat;

Should go up push pedal, it utilizes flexible member and nonvoluntary the moving in the mutual contact of lock main body location outside last push pedal, be somebody's turn to do the last push pedal promotion that pushing block is controlled of going up push pedal and being locked main body, cooperate the groove of password bar cipher chips to convex with corresponding lug body in its inner rim.

According to such scheme, the utility model is significant with respect to the effect of existing structure: the utility model is when carrying out the setting of password, be that the back of the body cover plate that is used in the lock main body convexes with the setting bar in door, can allow the user directly carry out the setting of password by this setting bar, allow the user need not dismantle the replacing setting that this coded lock can directly carry out its password easily, and more increase practical convenient effect characteristic its whole execution in the use.

Description of drawings

Fig. 1 is a three-dimensional exploded view of the present utility model.

Fig. 2 is the local three-dimensional exploded view that amplifies of the present utility model.

Fig. 3 establishes side view cutaway drawing for of the present utility model group.

Fig. 4 establishes vertical view cutaway drawing for of the present utility model group.

Fig. 5 presses view for password of the present utility model.

Fig. 6 is a handle partial structurtes enlarged diagram of the present utility model.

Fig. 7 is a handle action schematic diagram of the present utility model.

Fig. 8 is a unlocking condition schematic diagram of the present utility model.

Fig. 9 is a change password state side view cutaway drawing of the present utility model.

Figure 10 is a change password state vertical view cutaway drawing of the present utility model.

Figure 11 is an involution state elevational cross-sectional view of the present utility model.

Figure 12 is an involution state side view cutaway drawing of the present utility model.

Figure 13 is an involution state vertical view cutaway drawing of the present utility model.

The critical element symbol description

1 lock main body, 11 key holes

12 involution keyholes, 13 grip holes

131 handles, 132 handle holders

Push pedal pushing block 15 is stirred excellent rotating shaft on 14

Rod is stirred in 151 8 word holes 152

16 handle elasticity recovery elements, 17 lock bodies

171 8 word holes, 172 dead bolts

18 back of the body cover plates 181 hold the hole

182 flexible members 183 are set the hole

2 key bases, 21 sleeve columns

22 flexible members, 23 buttons

231 against edge 24 reset keys

241 against edge 25 guide grooves

3 main lock piece seats, 31 tanks

Positioning convex portion on 32 main lock pieces 321

On 322 times positioning convex portion 323 against edge

324 times against edge 325 guiding inclines

327 times caulking grooves of 326 upper embedded grooves

Positioning convex portion on the 33 involution sheets 331

332 times positioning convex portion 333 pushing tow inclined-planes

34 involution seat grooves, 4 password bars

41 perforates, 42 flexible members

43 sheathed groove 44 cipher chips

441 abaculus, 442 grooves

45 set bar 451 slide blocks

5 involution seats, 51 flexible members

52 elasticity blocking parts 53 support the inclined-plane

Push pedal 61 open-works on 6

62 flexible members, 63 lug bodies

The specific embodiment

For technology contents, purpose that the utility model is used and the effect reached thereof have more complete and clearly disclose, now see also appended graphic and figure number, be described in detail as follows:

At first, see also that Fig. 1 three-dimensional exploded view of the present utility model, Fig. 2 are of the present utility model locally to amplify that of the present utility model group of three-dimensional exploded view, Fig. 3 established side view cutaway drawing and Fig. 4 establishes shown in the vertical view cutaway drawing for of the present utility model group, coded lock of the present utility model is by lock main body 1, key base 2, main lock piece seat 3, password bar 4, involution seat 5 and go up push pedal 6 and formed; Wherein:

This locks main body 1, which is provided with several key holes 11, be provided with involution keyhole 12 simultaneously, and on this lock main body 1, offer grip hole 13, can be provided with handle 131 for group in this grip hole 13, this handle 131 is fixedly arranged on the lock main body 1 by handle holder 132, and in lock main body 1, be connected with push pedal pushing block 14 on, move can utilize upward push pedal pushing block 14 promotions to go up push pedal 6, push pedal pushing block 14 is connected with and stirs excellent rotating shaft 15 on this simultaneously, and in last push pedal pushing block 14 and stir 15 of excellent rotating shafts and be arranged with handle elasticity recovery element 16, and offer 8 word holes 151 for stirring 152 covers of rod location of pulling in stirring excellent rotating shaft 15, this end in addition of stirring rod 152 then overlaps to pull and is positioned in the 8 word holes 171 of lock body 17, to contract in the dead bolt 172 that can utilize this rotation of stirring rod 152 control lock body 17, then cover to pull in lock main body 1 rear end in addition and be fixed with back of the body cover plate 18, corresponding each key hole 11 and involution keyhole 12 all are concaved with and hold hole 181 on this back of the body cover plate 18, in this appearance hole 181, then be installed with and have elastic component 182, on this back of the body cover plate 18, offer simultaneously and set hole 183.

This key base 2, it is fixedly arranged in the lock main body 1, each key hole 11 and the involution keyhole 12 of corresponding lock main body 1 all convex with sleeve column 21 on this key base 2, be arranged with flexible member 22 on this sleeve column 21, and corresponding respectively each key hole 11 and involution keyhole 12 are provided with button 23 and reset key 24 in sleeve column 21, this button 23 and reset key 24 be able to be subjected on the sleeve column 21 sheathed flexible member 22 outside contacts protrude from outside the key hole 11 of lock main body 1, utilize simultaneously button 23 and reset key 24 outer rims against edge 231,241 are resisted against in this key hole 11 and the involution keyhole 12, button 23 and reset key 24 are not dropped out outside key hole 11 and the involution keyhole 12, then all offer guide groove 25 in each sleeve column 21 outside of this key base 2 in addition.

This main lock piece seat 3, it also is fixedly arranged in the lock main body 1, the guide groove 25 in corresponding key base 2 sleeve columns 21 outsides offers several tanks 31 respectively on this main lock piece seat 3, can be in this tank 31 for being installed with main lock piece 32, on this main lock piece 32, the lower surface convexes with positioning convex portion 321 respectively and reaches positioning convex portion 322 down, be somebody's turn to do to utilize, following positioning convex portion 321,322 are subjected to the flexible member 22 of key base 2 and the flexible member 182 of lock main body 1 to shore spacing, be respectively equipped with against edge 323 and down against edge 324 in these main lock piece 32 inner side ends, and in last, down against edge 323,324 are provided with a guiding incline 325, then be respectively equipped with upper embedded groove 326 in these main lock piece 32 outside end faces and reach caulking groove 327 down, in addition also can be in this tank 31 for being installed with involution sheet 33, on this involution sheet 33, the lower surface convexes with positioning convex portion 331 equally respectively and reaches positioning convex portion 332 down, be somebody's turn to do to utilize, following positioning convex portion 331,332 are subjected to the flexible member 22 of key base 2 and the flexible member 182 of lock main body 1 to shore spacing, be provided with pushing tow inclined-plane 333 in 33 of this involution sheets, in main lock piece seat 3, then offer involution seat groove 34 again for being installed with involution seat 5.

This password bar 4, its activity is located in the lock main body 1, and offer perforate 41 in password bar 4 and be sheathed on main lock piece seat 3 outsides for correspondence, and outside password bar 4, utilize in flexible member 42 and the lock main body 1 the contact location nonvoluntary mobile, each main lock piece 32 of corresponding main lock piece seat 3 all offers sheathed groove 43 on this password bar 4, can be in this sheathed groove 43 for being arranged with cipher chips 44, on these cipher chips 44 inboard corresponding main lock pieces 32, following caulking groove 326,327 convex with an abaculus 441, then be concaved with groove 442 in these cipher chips 44 outsides, have one to set bar 45 in these password bar 4 interlocks in addition, these setting bar 45 1 ends are provided with slide block 451, end then is convexly set in outside the setting hole 183 of lock main body 1 back of the body cover plate 18 in addition, stirs this password bar 4 can utilize the slide block 451 of setting bar 45.

This involution seat 5, it is movably set in the involution seat groove 34 of main lock piece seat 3, and an end utilizes the flexible member 51 and the involution seat groove 34 mutual contacts of this main lock piece seat 3 to locate, end then is convexly set in outside the involution seat groove 34 of this main lock piece seat 3 in addition, each main lock piece 32 of corresponding main lock piece seat 3 all is provided with elasticity blocking part 52 on this involution seat 5, this elasticity blocking part 52 just can going up against edge 323 or support the location against edge 324 down for main lock piece 32, be provided with in the pushing tow inclined-plane 333 of these involution seat 5 corresponding main lock piece seat 3 involution sheets 33 in addition and support inclined-plane 53, move can utilize involution sheet 33 to drive involution seat 5.

Should go up push pedal 6, it offers open-work 61 for being movably set in outside the password bar 4, and with involution seat 5 be convexly set in the outer end of main lock piece seat 3 involution seat grooves 34 mutually against, and outside last push pedal 6, utilize flexible member 62 and nonvoluntary the moving in lock main body 1 mutual contact location, be somebody's turn to do last push pedal pushing block 14 promotion of controlling of going up push pedal 6 and being locked main body 1, cooperate the groove 442 of password bar 4 cipher chips 44 to convex with corresponding lug body 63 in its open-work 61 inner edges.

In view of the above, after spare part under the lock main body 1 can being assembled the location respectively, again key base 2, main lock piece seat 3, password bar 4, involution seat 5 are reached upward push pedal 6 and establish in the lock main body 1 for corresponding respectively group with the spare part of aforementioned each element, and with the back of the body cover plate 18 corresponding bottom surfaces of establishing lock main body 1 of covering, and each element group is set the position, and form a coded lock in view of the above.

Thus, make the utility model when unblanking, seeing also Fig. 5 password of the present utility model presses shown in the view, press the password key 23 of setting, the main lock piece 32 that this button 23 promptly can be oppressed on the main lock piece seat 3 moves down, when this main lock piece 32 moves down, elasticity blocking part 52 on the involution seat 5 can move along the guiding incline 325 of main lock piece 32 clip in last against edge 323, making it be fixed on certain position can not move up and down again, main lock piece 32 is embedded fixing with the abaculus 441 of upper embedded groove 326 and cipher chips 44 mutually simultaneously, when so main lock piece 32 moves down, cipher chips 44 on password bar 4 also can be driven downwards by main lock piece 32, and be fixed on the certain position, when the lug body 63 of the groove 442 of cipher chips 44 and last push pedal 6 during at same position, handle on the lock main body 1 131 is rotated 90 degree (see also Fig. 6 handle partial structurtes of the present utility model enlarged diagram, shown in Fig. 7 handle action schematic diagram of the present utility model and Fig. 8 unlocking condition schematic diagram of the present utility model), the handle holder 132 that engages with handle 131, last push pedal pushing block 14, and stir excellent rotating shaft 15 and be installed in push pedal pushing block 14 and also turn 90 degrees along with handle 131 revolves with the handle elasticity recovery element of stirring between the excellent rotating shaft 15 16, the rotation of last push pedal pushing block 14 is just promoting to go up push pedal 6 to reach, this moment, the groove 442 lug body 63 that can keep supplying push pedal 6 earlier of cipher chips 44 passed through, and this rotation of stirring excellent rotating shaft 15 is driving the rotation of stirring rod 152, this is stirred excellent rotating shaft 15 and is pulling with 8 word holes 151 cover and stir rod 152, this other end of stirring rod 152 then overlaps to pull and is positioned in the 8 word holes 171 of lock body 17, and then this lock body 17 is opened door along with stirring 172 retractions of rod 152 rotation drive dead bolts, should go up simultaneously push pedal 6 because of itself and involution seat 5 be convexly set in the outer end of main lock piece seat 3 involution seat grooves 34 mutually against, make it to move by this involution seat 5 of related promotion, allow each main lock piece 32 reply and orientate not down state as, and finish unlocking action; When decontroling this handle 131, this handle elasticity recovery element 16 then, promptly can produce back stretch drives handle 131, handle holder 132, goes up push pedal pushing block 14 and stirs excellent rotating shaft 15 answer location, this answer of stirring excellent rotating shaft 15 is also driving stirs rod 152 answer, and then makes 8 word holes 171 of lock body 17 no longer be stirred the restriction of rod 152 and dead bolt 172 is stretched out once again.

When the utility model when desiring setting code, it needs input earlier to press the password key 23 of setting, the main lock piece 32 that this button 23 promptly can be oppressed on the main lock piece seat 3 moves down, when this main lock piece 32 moves down, elasticity blocking part 52 on the involution seat 5 can move along the guiding incline 325 of main lock piece 32 clip in last against edge 323, making it be fixed on certain position can not move up and down again, main lock piece 32 is embedded fixing with the abaculus 441 of upper embedded groove 326 and cipher chips 44 mutually simultaneously, when so main lock piece 32 moves down, cipher chips 44 on password bar 4 also can be driven downwards by main lock piece 32, and be fixed on the certain position, rotate the setting bar 45 (seeing also shown in Fig. 9 change password of the present utility model state side view cutaway drawing and Figure 10 change password of the present utility model state vertical view cutaway drawing) of this password bar 4 again, utilize the slide block 451 of this setting bar 45 to stir this password bar 4, each cipher chips 44 is all broken away from the embedding of main lock piece 32 draw original position back, press the password key 23 that desire is set, the main lock piece 32 that this button 23 can be oppressed on the main lock piece seat 3 moves down, make elasticity blocking part 52 clips on the involution seat 5 live going up of main lock piece 32 against edge 323, rotate back original position will setting bar 45, make this password bar 4 also shore homing under the power in flexible member 42 elasticity along with the rotation of setting bar 45, along with the homing of password bar 4 makes main lock piece 32 be embedded combination once more mutually with the abaculus 441 of upper embedded groove 326 and cipher chips 44, and finish the setting of password.

Fork, when password by staggering the time, press reset key 24, see also Figure 11 involution state of the present utility model elevational cross-sectional view, shown in Figure 12 involution state of the present utility model side view cutaway drawing and Figure 13 involution state of the present utility model vertical view cutaway drawing, related being pressed down of these involution sheet 33 meetings, the pushing tow inclined-plane 333 of this involution sheet 33 can pushing tow involution seats 5 support inclined-plane 53, force this involution seat 5 to move forward, and make the elasticity blocking part 52 of clip on main lock piece 32 break away from clip, on the main lock piece 32, the flexible member 182 of lower surface, 22 can will break away from main lock piece 32 pushed home of clip, when decontroling reset key 24 simultaneously, on the involution sheet 33, the flexible member 182 of lower surface, 22 and involution seat 5 flexible members 51 also simultaneously involution sheet 33 and involution seat 5 are pushed back the origin-location.

The announcement of above-described each embodiment all for the benefit of illustrates technological means of the present utility model, and unrestricted framework of the present utility model forms, so the simple replacement of the change of numerical value or equivalent structure still belongs to design category of the present utility model such as.

Claims (8)

1. the password setting structure of a coded lock reaches upward push pedal by lock main body, key base, main lock piece seat, password bar, involution seat and is formed; It is characterized in that:

This locks main body, which is provided with several key holes, be provided with the involution keyhole simultaneously, and on this lock main body, offer grip hole, be provided with handle for group in this grip hole, this handle is fixedly arranged on the lock main body by the handle holder, and in the lock main body, be connected with push pedal pushing block on, promoting to go up push pedal by push pedal pushing block on this moves, the push pedal pushing block is connected with and stirs excellent rotating shaft on this, and in last push pedal pushing block and stir and be arranged with handle elasticity recovery element between excellent rotating shaft, and offer porose confession and stir rod and overlap the location of pulling in stirring excellent rotating shaft, this in addition end of stirring rod then cover is pulled and is positioned in the hole that lock body offers, stirred in the dead bolt of rotation control lock body of rod by this and to contract, then cover to pull in the lock body rear in addition and be fixed with back of the body cover plate, corresponding each key hole and involution keyhole all are concaved with the appearance hole on this back of the body cover plate, in this appearance hole, then be installed with and have elastic component, on this back of the body cover plate, offer the setting hole simultaneously;

This key base, it is fixedly arranged in the lock main body, each key hole and the involution keyhole of corresponding lock main body all convex with sleeve column on this key base, be arranged with flexible member on this sleeve column, and corresponding respectively each key hole and involution keyhole are provided with button and reset key in sleeve column, this button and reset key be subjected on the sleeve column the sheathed outside contact of flexible member protrude from outside the key hole and involution keyhole of lock main body, then all offer guide groove in each sleeve column outside of this key base in addition;

This main lock piece seat, it also is fixedly arranged in the lock main body, the guide groove in the corresponding key base sleeve column outside offers several tanks respectively on this main lock piece seat, supply to be installed with main lock piece in this tank, on this main lock piece, the lower surface is subjected to the flexible member of key base and the flexible member of lock main body to shore spacing respectively, be respectively equipped with against edge and down against edge in this main lock piece inner side end, and in last, down against the intermarginal guiding incline that is provided with, then be respectively equipped with upper embedded groove in this main lock piece outside end face and reach caulking groove down, in this tank, also supply to be installed with the involution sheet in addition, on this involution sheet, it is spacing that the flexible member that the lower surface is subjected to key base equally respectively and the flexible member of lock main body are shored, and then is provided with the pushing tow inclined-plane in this involution sheet;

This password bar, its activity is located in the lock main body, and utilize outside the password bar that contact location is nonvoluntary in flexible member and the lock main body moves, each main lock piece of corresponding main lock piece seat all offers sheathed groove on this password bar, supply to be arranged with cipher chips in this sheathed groove, on the inboard corresponding main lock piece of this cipher chips, following caulking groove convexes with an abaculus, then be concaved with groove in this cipher chips outside, have one to set bar in this password bar interlock in addition, this setting bar one end is provided with slide block, end then is convexly set in outside the setting hole of lock main body back of the body cover plate in addition, stirs this password bar by the slide block of setting bar;

This involution seat, the one end is provided with flexible member, each main lock piece of corresponding main lock piece seat all is provided with the elasticity blocking part on this involution seat, this elasticity blocking part supports the location for the upper and lower of main lock piece respectively against edge, be provided with in the pushing tow inclined-plane of the corresponding main lock piece seat of this involution seat involution sheet in addition and support the inclined-plane, drive the involution seat by the involution sheet and move;

Should go up push pedal, by flexible member and nonvoluntary the moving in the mutual contact of lock main body location, push pedal and locked the last push pedal promotion that pushing block is controlled of main body on this convexes with corresponding lug body in the groove of its inner rim cooperation password bar cipher chips in last push pedal outside for it.

2. the password setting structure of coded lock as claimed in claim 1 is characterized in that: the button of this key base and reset key are in outer cause is resisted against the key hole of this lock main body and involution keyhole against edge in and outside do not drop out key hole and the involution keyhole.

3. the password setting structure of coded lock as claimed in claim 1, it is characterized in that: the upper and lower end face of the main lock piece of this main lock piece seat convexes with positioning convex portion respectively and reaches positioning convex portion down, is subjected to the flexible member of key base and the flexible member of lock main body to be shored spacing by this upper and lower positioning convex portion.

4. the password setting structure of coded lock as claimed in claim 1, it is characterized in that: the upper and lower end face of involution sheet of this main lock piece seat convexes with positioning convex portion respectively and reaches positioning convex portion down, is subjected to the flexible member of key base and the flexible member of lock main body to be shored spacing by this upper and lower positioning convex portion.

5. the password setting structure of coded lock as claimed in claim 1, it is characterized in that: offer involution seat groove in this main lock piece seat for being installed with the involution seat, and involution seat in addition end then is convexly set in outside the involution seat groove of this main lock piece seat, this on push pedal and with the involution seat be convexly set in a main lock piece seat involution seat groove end outward mutually against.

6. the password setting structure of coded lock as claimed in claim 1 is characterized in that: this password bar offers perforate and is sheathed on the main lock piece seat outside for correspondence.

7. the password setting structure of coded lock as claimed in claim 1 is characterized in that: push pedal offers open-work for being movably set in outside the password bar on this.

8. the password setting structure of coded lock as claimed in claim 1 is characterized in that: this lock main body is 8 word holes in stirring the hole that excellent rotating shaft offers, and the hole that lock body is offered also is 8 word holes, to be overlapped the location of pulling for stirring excellent two ends respectively.

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