CN102828659B

CN102828659B - Mechanical coded door lock

Info

Publication number: CN102828659B
Application number: CN201110157005.1A
Authority: CN
Inventors: 李谋政; 廖鸿霖
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-06-13
Filing date: 2011-06-13
Publication date: 2015-01-07
Anticipated expiration: 2031-06-13
Also published as: CN102828659A

Abstract

The invention provides a mechanical coded door lock, wherein a handle group, an unlocking group, a code lock group and a code searching group are arranged on a shell group; under the coordination of the unlocking group and the code lock group, the locking function of the coded door lock is released by shifting the unlocking group; in addition, in the code lock group, a bushing is pushed to separate from corresponding character wheel by pressing a press key, thereby rotating the character wheel and resetting the password; the code searching group is placed against the bushing of the code lock group and protrudes in the code searching tank of the corresponding bushing by means of a locating pin of the code searching group, in this way, the primary unlocking password can be obtained. The mechanical coded door lock not only can prevent the observant person from peeping and remembering the unlocking password of the coded lock, but also can allow the user to pass in and out repeatedly from the doorway provided with such door lock, thereby achieving the convenience in use.

Description

Mechanical password door lock

Technical field

The present invention is about a kind of mechanical password door lock, espespecially a kind of in order to be arranged on door-plate, and has concurrently and can look for former unblock number and can reset the new function unlocking number, and can remove the mechanical password door lock of locking function after door-plate is opened.

Background technology

Coded lock is a kind of common simple and easy lockset, each character wheel that user can lock by rotational password and to change its core be unlock or the state of locking, and to omit the necessity of carrying keys, thus increases the convenience on using.Therefore when coded lock is applied on door-plate, just can by this coded lock of adjustment for unlocking or locking state, reach control one and whether can drive the rotation of the handle of lock bolt: when coded lock unlocks, swing handle just can drive lock bolt and then opening-door plate; When coded lock is locked, then this handle can be made to drive locking bolt, the state making door-plate present closing.

But, general man memory is limited, or unblock number is easily forgotten under hasty, pass into silence and unlock the coded lock of number under cannot being unlocked, in order to remove its locking condition, unique mode destroys this coded lock and door-plate exactly, therefore for most user, the coded lock of prior art has the place of its inconvenience used;

Moreover when adjusting coded lock to released state after opening-door plate, user should first dial random character wheel, then enters the another side of door-plate, in case intentionally personage peeps and writes down the unblock number of this coded lock; But, once after dialling random character wheel, this coded lock just can present locking state and the position of the handle that locks, and makes this door-plate present again the state closed, so for must repeating to pass in and out the user of the access being provided with this door-plate, also there is the place of its inconvenience used.

As mentioned above, the code type gate lock of prior art is real has it to treat the place improved further.

Summary of the invention

Because the shortcoming existing for aforementioned prior art, the present invention designs a kind of mechanical password door lock, uncommon design by this provides a kind of looks for former unblock number, can reset new unlock number function and after door-plate is opened, temporarily can remove the mechanical password door lock of its locking function.

In order to reach above-mentioned goal of the invention, the technological means that the present invention utilizes makes a mechanical password door lock comprise:

One housing group;

Leader's group, it is located in this housing group, this handle group comprises a lock body, a locking bolt, an outer handle, an Internal handle, a locking bar and a linked gear, this lock body is located in this housing group, this locking bolt connects this lock body, this outer handle and Internal handle are arranged in the both sides in this housing group, this locking bar is located in this Internal handle, one end of this locking bar connects this lock body, the other end stretches out this Internal handle, this linked gear is located in this lock body, and this linked gear can come and the mutual interlock of this locking bar via this lock body;

One unblock group, it to be located in this housing group and to be positioned at above this handle group, this unblock group comprises a clipping ring, a return springs and a driving lever, this clipping ring is located at above this linked gear rotationally, the outer ring surface of this clipping ring is formed with a catching groove and a teeth portion, this teeth portion optionally engages with this linked gear and connects, this return springs connects this clipping ring and housing group, this clipping ring one is provided to rotate the power resetted, one outer end of this driving lever protrudes into the outside of this housing group, and an inner end and this clipping ring of this driving lever are mutually affixed;

One combination lock group, it to be located in this housing group and to comprise a lock, a plurality of sleeve and a plurality of character wheel, this lock is longitudinally arranged, the bottom of this lock forms a blocking part, the corresponding clip of this blocking part is in the catching groove of this clipping ring, interval on this lock and around being provided with a plurality of contraposition part, each contraposition part forms a plurality of locating convex block along the axially spaced-apart of this lock, a groove is formed between two adjacent locating convex blocks, the groove correspondence of each contraposition part communicates, this sleeve is sequentially sheathed on this lock, on the internal face of each sleeve, spacer ring winding forming has a plurality of contraposition projection, this contraposition projection is stretched between the corresponding groove of this lock, each contraposition projection may correspond to be embedded on this lock wherein two specifically adjacent contraposition parts locating convex block between, this character wheel is sheathed to be respectively positioned on this sleeve.

Above-mentioned housing group can comprise a shell body, an inner housing and a bolster, this bolster is located in this shell body, and in aforementioned handle group, this outer handle is arranged on this shell body, this Internal handle is arranged on this inner housing, and aforementioned unblock group and combination lock group are all located between this shell body and bolster.

Above-mentioned handle group can comprise a lock core further, and this lock core to be fixedly arranged in this outer handle and to connect with this lock body;

The outside wall surface of each sleeve of above-mentioned combination lock group can be provided with the number of a looking for groove further;

Described mechanical password door lock can comprise the number of looking for group further, this number of looking for is mounted on this bolster, and comprise an ejection frame, plural number ejection block, plural number alignment pin, the plural number number of looking for elastic component and an actuator, the side of this bolster is located at movably by this ejection frame, this ejection frame is provided with a plurality of skewed slot and the translot that are longitudinally spaced setting, each skewed slot is relative to lengthwise position oblique extension, this translot is horizontal expansion, this ejection block longitudinally arranges and can be arranged on this bolster respectively transverse shifting, each ejection block is to the side projection of skewed slot of ejection frame having a guide pins, the guide pins of each ejection block is arranged in this corresponding skewed slot respectively, this alignment pin longitudinally arranges and can be arranged on this bolster respectively transverse shifting, and lay respectively between corresponding ejection block and sleeve, this number of looking for elastic component is located on this bolster, and lay respectively between corresponding ejection block and alignment pin, the two ends of each number of looking for elastic component are resisted against this respectively and support block and alignment pin, this actuator is arranged between this inner housing and bolster, one outer end of this actuator is run through this inner housing and protrudes into this inner housing outside, one inner end of this actuator is to should ejection frame, on the periphery at the inner end place of this actuator, projection has a latch, this latch is arranged in the translot of this ejection frame.

In above-mentioned combination lock group, each sleeve can form further a bulge loop and at least one check mark projection, radial projection of this bulge loop and around the outside wall surface taking shape in this sleeve, the check mark projection of this sleeve takes shape in the outside wall surface of this sleeve, the internal face of each character wheel can be provided with a plurality of check mark projection by spacer ring, and the check mark projection of aforementioned sleeves can be snapped between the two-phase adjacency pair projection of corresponding character wheel;

This combination lock group can comprise a sleeve elastic component and a press button further, this sleeve resilience part is sheathed on this lock, the two ends of this sleeve resilience part are resisted against this lock respectively and this is positioned at sleeve near lock bottom, this press button is arranged in the top of this shell body, and is resisted against the sleeve be positioned near lock top.

The outside wall surface of each character wheel of above-mentioned combination lock group can be provided with a plurality of pattern district by spacer ring, between two adjacent pattern districts, be formed with a locating slot;

Described mechanical password door lock can comprise certain hyte further, this location is mounted on this bolster, and comprise plural alignment pin and plural positioning elastic part, this alignment pin longitudinally arranges and can be arranged on this bolster respectively transverse shifting, and stretch out should character wheel respectively, this positioning elastic part to be located in this bolster and respectively to should alignment pin, the two ends of each positioning elastic part support this bolster and corresponding alignment pin respectively, and this alignment pin of ejection, the end of this alignment pin is resisted against on corresponding character wheel.

Above designs, and when accidentally forgeing unlocking pin, can sequentially promote this ejection frame, ejection block and alignment pin by the actuator rotating this number of looking for group, now, this character wheel of switch and sleeve, until this alignment pin is stretched in the number of the looking for groove of corresponding sleeve, just can obtain former unlocking pin; Again, when password will be reseted, as long as press this press button, depart from corresponding character wheel with this sleeve of ejection, then just rotatable character wheel and then reset password; In addition, after user's unlatching is provided with the door-plate of this code type gate lock, because this handle group has reached the object of unblock by this combination lock group and unblock group, therefore the position of disorderly each character wheel can just be dialled, in case intentionally personage spies on and writes down the unblock number of this mechanical password door lock, also user can be allowed to repeat to pass in and out the access being provided with this door-plate simultaneously, reach the convenience in use.

Accompanying drawing explanation

Fig. 1 is that the present invention is in the stereo appearance figure of the state of enforcement.

Fig. 2 is three-dimensional exploded view of the present invention.

Fig. 3 is another three-dimensional exploded view of the present invention.

Fig. 4 is the three-dimensional exploded view that subelement of the present invention is amplified.

Fig. 5 is another three-dimensional exploded view that subelement of the present invention is amplified.

Fig. 6 is the three-dimensional exploded view of combination lock group of the present invention.

Fig. 7 be the present invention in combination lock group be locking state overlook subelement sectional drawing.

Fig. 8 be the present invention in combination lock group be released state overlook subelement sectional drawing.

Fig. 9 is forward viewing portion element section figure of the present invention.

Figure 10 is the present invention is remove the forward sight activities sectional drawing of locking condition in unblock group.

Figure 11 is that the present invention is in the forward sight activities sectional drawing reseting password.

Figure 12 is another forward viewing portion element section figure of the present invention.

Figure 13 is another forward viewing portion element section action diagram of the present invention.

Critical element symbol description

10 housing group 11 shell bodies

The 111 outer grip holes in character wheel hole 112

113 driving lever hole, press button holes 114

12 inner housing 121 Internal handle holes

122 perforation 13 bolsters

131 character wheel groove 132 contraposition pin-and-holes

133 dowel hole 20 handle groups

21 lock body 22 locking bolts

23 outer handle 24 Internal handles

25 lock core 26 locking bars

27 linked gear 30 unblock groups

31 clipping ring 311 catching grooves

312 teeth portion 32 return springs

33 driving lever 40 combination lock groups

41 lock 411 blocking parts

412 contraposition part 413 locating convex blocks

414 groove 42 sleeves

421 bulge loop 422 contraposition projections

423 check mark projection 424 number of looking for grooves

43 character wheels 431 are checked the number projection

432 pattern district 433 locating slots

44 sleeve resilience part 45 press buttons

50 number of looking for group 51 ejection framves

511 skewed slot 512 translots

52 ejection block 521 guide pins

53 alignment pin 54 number of looking for elastic components

55 actuator 551 latches

552 drive link 553 drive rods

60 location group 61 catch

62 alignment pin 63 positioning elastic parts

Detailed description of the invention

Below coordinating preferred embodiment graphic and of the present invention, setting forth the technological means that the present invention takes for reaching predetermined goal of the invention further.

Shown in Fig. 1 and 4, mechanical password door lock of the present invention is arranged on a door-plate, bolt set on this door-plate is coordinated to reach the function controlling door-plate keying, this mechanical password door lock comprises a housing group 10, leader organizes 20, one unblock group 30, combination lock group 40, number of looking for group 50 and certain hyte 60, wherein:

Coordinate see shown in Fig. 2 and 3, housing group 10 comprises shell body 11, inner housing 12 and a bolster 13;

This shell body 11 is located at the lateral surface of door-plate, this shell body 11 runs through and is provided with a plurality of character wheel hole 111, outer grip hole 112, press button hole 113 and a driving lever hole 114, this character wheel hole 111 is along the longitudinal separation spread configuration of this shell body 11, this outer grip hole 112 is located at this shell body 11 bottom side place, this shell body 11 top is located in this press button hole 113, and this driving lever hole 114 is located on this shell body 11 between this character wheel hole 111 and outer grip hole 112;

This inner housing 12 is located at the medial surface of door-plate, and this inner housing 12 runs through and is provided with Internal handle hole 121 and a perforation 122, this Internal handle hole 121 is corresponding with the outer grip hole 112 of this shell body 11, and this perforation 122 is located at above this Internal handle hole 121;

Coordinate see shown in Fig. 4 and 5, this bolster 13 is located in this shell body 11, this bolster 13 is formed with a plurality of character wheel groove 131, plural number contraposition pin-and-hole 132 and plural dowel hole 133, this character wheel groove 131 is along the longitudinal separation spread configuration of this bolster 13, and it is corresponding with the character wheel hole 111 of this shell body 11 respectively, this contraposition pin-and-hole 132 is longitudinally spaced the side being arranged at this character wheel groove 131, and be crisscross arranged with this character wheel groove 131, each contraposition pin-and-hole 132 is in horizontal expansion, this dowel hole 133 be located at this character wheel groove 131 opposite side and respectively to should character wheel groove 131, each dowel hole 133 is horizontal expansion and is connected with corresponding character wheel groove 131,

Handle group 20 is located in this housing group 10, this handle group 20 comprises a lock body 21, one locking bolt 22, one outer handle 23, one Internal handle 24, one lock core 25, one locking bar 26 and a linked gear 27, this lock body 21 is located at that this is outer, inner housing 11, be arranged in door-plate between 12, this locking bolt 22 is located at the side of door-plate, this locking bolt 22 connects this lock body 21, and be optionally locked on a doorframe, to control the keying of this door-plate, this outer handle 23 is arranged in the outer grip hole 112 of this shell body 11, this Internal handle 24 is arranged in the Internal handle hole 121 of this inner housing 12, this lock core 25 to be fixedly arranged in this outer handle 23 and to connect with this lock body 21, after one key inserts this lock core 25, this lock body 21 can be driven, this locking bar 26 is located in this Internal handle 24, one end of this locking bar 26 connects this lock body 21, the other end stretches out this Internal handle 24, user also can drive this lock body 21 by this locking bar 26 of rotation, this linked gear 27 is located in this lock body 21 and correspondence is positioned at below this bolster 13, this linked gear 27 can via this lock body 21 and this lock core 25 and locking bar 26 interlock mutually,

Coordinate shown in Figure 9, unblock group 30 is located between this shell body 11 and bolster 13, and be positioned at above this handle group 20, this unblock group 30 comprises a clipping ring 31, one return springs 32 and a driving lever 33, this clipping ring 31 is located at bottom this bolster 13 rotationally, and to should the driving lever hole 114 of shell body 11, and be positioned at above this linked gear 27, the outer ring surface of this clipping ring 31 is formed with adjacent catching groove 311 and a teeth portion 312, this catching groove 311 is to should the character wheel groove 131 of bolster 13, preferably, the section of this catching groove 311 is V-shaped and be formed with two opposed facets, this teeth portion 312 optionally engages with this linked gear 27 and connects, rotate to drive this linked gear 27, this return springs 32 connects this clipping ring 31 and bolster 13, and provide this clipping ring 31 1 to rotate the power resetted, this driving lever 33 is arranged in the driving lever hole 114 of this shell body 11, one outer end of this driving lever 33 protrudes into the outside of this shell body 11, one inner end and this clipping ring 31 of this driving lever 33 are mutually affixed, user can carry out switch by the outer end of this driving lever 33, to engage with this linked gear 27 to drive this clipping ring 31 to turn to make the teeth portion 312 of this clipping ring 31 and connect, and after unclamping driving lever 33, this return springs 32 can drive this clipping ring 31 and driving lever 33 to rotate backward reset, and the teeth portion 312 of this clipping ring 31 is departed from mutually with this linked gear 27,

Again, after driving this lock body 21 via above-mentioned lock core 25, locking bar 26 or linked gear 27, the released state of this locking bolt 22 in Telescopic movable can be made, or make the locking state of this locking bolt 22 in non-telescoping movement;

Coordinate shown in Figure 6, combination lock group 40 is located between this shell body 11 and bolster 13, and this combination lock group 40 comprises a lock 41, a plurality of sleeve 42, a plurality of character wheel 43, sleeve elastic component 44 and a press button 45;

This lock 41 is longitudinally arranged between each character wheel groove 131 of this bolster 13, the bottom of this lock 41 forms a blocking part 411, this blocking part 411 can be the V-shaped block of a section, may correspond to clip in the catching groove 311 of this clipping ring 31, another interval on this lock 41 and around being provided with a plurality of contraposition part 412, each contraposition part 412 forms a plurality of locating convex block 413 along the axially spaced-apart of this lock 41, a groove 414 is formed between two adjacent locating convex blocks 413, the locating convex block 413 of each contraposition part 412 is incomplete same at circumferentially the formed width along this lock 41, and groove 414 correspondence of each contraposition part 412 communicates,

This sleeve 42 is sequentially sheathed on this lock 41, and respectively to should the contraposition pin-and-hole 132 of bolster 13, each sleeve 42 forms a bulge loop 421, a plurality of contraposition projection 422, at least one check mark projection 423 and the number of a looking for groove 424, the radial projection of this bulge loop 421 and around in the outside wall surface taking shape in this sleeve 42 near bottom end, this contraposition projection 422 spacer ring winding forming is close bottom end on the internal face of this sleeve 42, and between the corresponding groove 414 being stretched on this lock 41, each contraposition projection 422 is incomplete same at circumferentially the formed width along this sleeve 42, and when each contraposition projection 422 correspondence to be embedded on this lock 41 locating convex block 413 of wherein two specifically adjacent contraposition parts 412, this sleeve 42 just can be made to move axially along this lock 41, near bottom end in the outside wall surface that the check mark projection 423 of this sleeve 42 takes shape in this sleeve 42, this number of looking for groove 424 is located in the outside wall surface of this sleeve 42,

This character wheel 43 in the form of a ring, it is sheathed is respectively positioned on each sleeve 42, and between the character wheel groove 131 being located at this bolster 13 respectively and to should the dowel hole 133 of bolster 13, it is outside that this character wheel 43 is stretched on this shell body 11 by the character wheel hole 111 of this shell body 11 further, for user's switch, on the internal face of each character wheel 43, spacer ring is provided with a plurality of check mark projection 431, the check mark projection 423 of aforementioned sleeves 42 can be snapped between the two-phase adjacency pair projection 431 of corresponding character wheel 43, in addition, in the outside wall surface of each character wheel 43, spacer ring is provided with a plurality of pattern district 432, this pattern district 432 can be labeled with respectively 10 numerals or the mark of 0 to 9, a locating slot 433 is formed between two adjacent pattern districts 432,

This sleeve resilience part 44 is sheathed on this lock 41, the two ends of this sleeve resilience part 44 are resisted against this lock 41 respectively and this is positioned at sleeve 42 near lock 41 bottom, the each sleeve 42 of this sleeve resilience part 44 ejection of mat, between the two-phase adjacency pair projection 431 being snapped in corresponding character wheel 43 that the check mark projection 423 of this sleeve 42 can be made to keep firm, thus make this sleeve 42 can with character wheel 43 together by switch;

This press button 45 is arranged between the press button hole 113 of shell body 11, and be resisted against the sleeve 42 be positioned near lock 41 top, when user presses this press button 45, each sleeve 42 can be promoted move down along the axis of this lock 41, make the check mark projection 423 of sleeve 42 depart from the check mark projection 431 of corresponding character wheel 43;

The number of looking for group 50 is located on this bolster 13 and is formed with contraposition pin-and-hole 132 place, and this number of looking for group 50 comprises an ejection frame 51, plural ejection block 52, plural alignment pin 53, the plural number number of looking for elastic component 54 and an actuator 55;

The side of this bolster 13 is located at movably by this ejection frame 51, this ejection frame 51 is provided with plural skewed slot 511 and a translot 512, this skewed slot 511 is longitudinally spaced and arranges and respectively to should the contraposition pin-and-hole 132 of bolster 13, each skewed slot 511 is relative to lengthwise position oblique extension, this translot 512 is in horizontal expansion, this ejection block 52 is located in the contraposition pin-and-hole 132 of this bolster 13 respectively, each ejection block 52 is to the side projection of skewed slot 511 of ejection frame 51 having a guide pins 521, the guide pins 521 of each ejection block 52 is arranged in this corresponding skewed slot 511 respectively, this alignment pin 53 is located in the contraposition pin-and-hole 132 of this bolster 13 respectively, and between this ejection block 52 and sleeve 42, this number of looking for elastic component 54 is located in the contraposition pin-and-hole 132 of this bolster 13 respectively, and between this ejection block 52 and this alignment pin 53, the two ends of each number of looking for elastic component 54 are resisted against respectively corresponding supports block 52 and alignment pin 53,

Coordinate shown in Figure 7, this actuator 55 is arranged between this inner housing 12 and bolster 13, one outer end of this actuator 55 is run through the perforation 122 of this inner housing 12 and protrudes into this inner housing 12 outside, one inner end of this actuator 55 is to should ejection frame 51, again, on the periphery at the inner end place of this actuator 55, projection has a latch 551, this latch 551 is arranged in the translot 512 of this ejection frame 51, when this actuator 55 rotates, this ejection frame 51 can be driven to move along the bearing of trend of its skewed slot 511, in the specific embodiment of the present invention, this actuator 55 comprises drive link 552 and a drive rod 553, this drive link 552 is located at this bolster 13 bottom side, the periphery of this drive link 552 is located in latch 551 projection of aforementioned actuator 55, this drive rod 553 is arranged between the perforation 122 of this inner housing 12, the inner for this drive rod 553 is mutually affixed with this drive link 552, one outer end of drive rod 553 protrudes into this inner housing 12 outside, overall actuator 55 is driven for user,

Coordinate shown in Figure 8, location group 60 is located on this bolster 13 and is formed with dowel hole 133 place, this location group 60 comprises a catch 61, plural number alignment pin 62 and plural positioning elastic part 63, this catch 61 is fixedly arranged on corresponding each dowel hole 133 place of side of this bolster 13, and lid covers the opening of each dowel hole 133, this alignment pin 62 is located in the dowel hole 133 of this bolster 13 respectively, and stretch out should character wheel 43 respectively, this positioning elastic part 63 is located in the dowel hole 133 of this bolster 13 respectively, the two ends of each positioning elastic part 63 support this catch 61 and corresponding alignment pin 62 respectively, with this alignment pin 62 of further ejection, the end of this alignment pin 62 is made to be resisted against on corresponding character wheel 43, wherein, when the end of alignment pin 62 is stretched in a wherein locating slot 433 of this character wheel 63, a wherein pattern district 432 of this character wheel 63 is just towards the outside of this shell body 11, user can the numeral in pattern district 432 on each character wheel 43 of mat permutation and combination or the mode of symbol unlock, again, coordinating of the locating slot 433 of this alignment pin 62 of mat and character wheel 43, the feel of user when switch character wheel 43 can be increased, character wheel 43 is allowed to can turn to each location, so that unblank.

Coordinate shown in Figure 9, first, when for unlocking mechanical password door lock of the present invention, respectively each character wheel 43 of this combination lock group 40 is turned to the unblock number preset, contraposition projection 422 correspondence of this sleeve 42 is made to be positioned between the contraposition part 412 of lock 41, now, shown in Figure 10, when this driving lever 33 of user's switch is to drive the teeth portion 312 of this clipping ring 31 to rotate towards the linked gear 27 of this handle group 20, this clipping ring 31 can be made to force this lock 41 to move up on the one hand, the teeth portion 312 of this clipping ring 31 then can be made to engage with this linked gear 27 on the other hand connect, and then drive this lock body 21, make this lock body 21 and locking bolt 22 in released state, now, user rotates this outer handle 23 and gets final product opening-door plate,

Moreover, because this handle group 20 has reached the object of unblock by this combination lock group 40 and unblock group 30, therefore user can dial the position of disorderly each character wheel 43, in case intentionally personage spies on and writes down the unblock number of this mechanical password door lock, and can repeat to pass in and out the access being provided with this door-plate, reach the convenience in use;

Otherwise, when for locking to this mechanical password door lock, first by the locking bar 26 rotating this handle group 20 inside door-plate, to drive this lock body 21, make this lock body 21 and locking bolt 22 in locking state, then more respectively by character wheel 43 switch of this combination lock group 40 extremely non-number position place of unblanking, now because the contraposition projection 422 of this sleeve 42 is fastened between the locating convex block 413 of the contraposition part 412 of this lock 41 in the groove 414 of this lock 41, now, because this lock 41 cannot be gone up, lower movement, therefore user also cannot drive this clipping ring 31 by this driving lever 33 of mat switch, more cannot drive this lock body 21 further, therefore the object closing door-plate can be reached.

Shown in Figure 11, when for reseting unlocking pin, can at this mechanical password door lock under the state unlocked, press the press button 45 of this combination lock group 40, and then promote this sleeve 42 and move down and compress this sleeve resilience part 44, make the check mark projection 423 of this sleeve 42 depart from the check mark projection 431 of character wheel 43, now just can rotate separately each character wheel 43 to reset password; After treating that setting completes, then unclamp this press button 45, this sleeve 42 of mat sleeve resilience part 44 ejection moves up, and makes the check mark projection 423 of this sleeve 42 be snapped between the two-phase adjacency pair projection 431 of character wheel 43, completes the action of password reset.

And when accidentally forgeing unlocking pin, user must first use key to drive the lock core 25 of this handle group 20, with so drive this lock body 21, make this lock body 21 and locking bolt 22 in released state, reach the object of opening-door plate, then, shown in Figure 12 and 13, rear flank in door-plate to be entered into, rotate the actuator 55 of this number of looking for group 50 again, move along the bearing of trend of its skewed slot 511 to drive this ejection frame 51, and this alignment pin 53 of ejection moves towards this combination lock group 40, now, switch character wheel 43 is also with moving sleeve 42, when the number of the looking for groove 424 of sleeve 42 corresponds to each alignment pin 53, and when this alignment pin 53 is stretched between the number of the looking for groove 424 of corresponding sleeve 42 further, each character wheel 43 can just in time be positioned at its unlocked position with sleeve 42, just the unblock number previously accidentally forgotten can be learnt thus.

Claims

1. a mechanical password door lock, it comprises a housing group, leader's group, a unblock group and a combination lock group, it is characterized in that:

Described handle is mounted in this housing group, this handle group comprises a lock body, a locking bolt, an outer handle, an Internal handle, a locking bar and a linked gear, this lock body is located in this housing group, this locking bolt connects this lock body, and this outer handle and Internal handle are arranged in the both sides of this housing group, and this locking bar is located in this Internal handle, one end of this locking bar connects this lock body, the other end stretches out this Internal handle, and this linked gear is located in this lock body, and this linked gear can come and the mutual interlock of this locking bar via this lock body;

Unblock to be mounted in this housing group and to be positioned at above this handle group, this unblock group comprises a clipping ring, a return springs and a driving lever, this clipping ring is located at above this linked gear rotationally, the outer ring surface of this clipping ring is formed with a catching groove and a teeth portion, this teeth portion optionally engages with this linked gear and connects, this return springs connects this clipping ring and housing group, one outer end of this driving lever protrudes into the outside of this housing group, and an inner end and this clipping ring of this driving lever are mutually affixed;

Combination lock to be mounted in this housing group and to comprise a lock, a plurality of sleeve and a plurality of character wheel, this lock is longitudinally arranged, the bottom of this lock forms a blocking part, the corresponding clip of this blocking part is in the catching groove of this clipping ring, interval on this lock and around being provided with a plurality of contraposition part, each contraposition part forms a plurality of locating convex block along the axially spaced-apart of this lock, a groove is formed between two adjacent locating convex blocks, the groove correspondence of each contraposition part communicates, this sleeve is sequentially sheathed on this lock, on the internal face of each sleeve, spacer ring winding forming has a plurality of contraposition projection, this contraposition projection is stretched between the corresponding groove of this lock, each contraposition projection may correspond to be embedded on this lock wherein two specifically adjacent contraposition parts locating convex block between, this character wheel is sheathed to be respectively positioned on this sleeve.

2. mechanical password door lock as claimed in claim 1, it is characterized in that, aforementioned housing group comprises a shell body, an inner housing and a bolster, this bolster is located in this shell body, in aforementioned handle group, this outer handle is arranged on this shell body, and this Internal handle is arranged on this inner housing, and aforementioned unblock group and combination lock group are all located between this shell body and bolster.

3. mechanical password door lock as claimed in claim 2, is characterized in that:

Aforementioned handle group comprises a lock core further, and this lock core to be fixedly arranged in this outer handle and to connect with this lock body;

The outside wall surface of each sleeve of aforementioned combination lock group is provided with further the number of a looking for groove;

This mechanical password door lock comprises the number of looking for group further, this number of looking for is mounted on this bolster, and comprise an ejection frame, plural number ejection block, plural number alignment pin, the plural number number of looking for elastic component and an actuator, the side of this bolster is located at movably by this ejection frame, this ejection frame is provided with a plurality of skewed slot and the translot that are longitudinally spaced setting, each skewed slot is relative to lengthwise position oblique extension, this translot is horizontal expansion, this ejection block longitudinally arranges and can be arranged on this bolster respectively transverse shifting, each ejection block is to the side projection of skewed slot of ejection frame having a guide pins, the guide pins of each ejection block is arranged in this corresponding skewed slot respectively, this alignment pin longitudinally arranges and can be arranged on this bolster respectively transverse shifting, and lay respectively between corresponding ejection block and sleeve, this number of looking for elastic component is located on this bolster, and lay respectively between corresponding ejection block and alignment pin, the two ends of each number of looking for elastic component are resisted against this respectively and support block and alignment pin, this actuator is arranged between this inner housing and bolster, one outer end of this actuator is run through this inner housing and protrudes into this inner housing outside, one inner end of this actuator is to should ejection frame, on the periphery at the inner end place of this actuator, projection has a latch, this latch is arranged in the translot of this ejection frame.

4. mechanical password door lock as claimed in claim 2, is characterized in that:

In aforementioned combination lock group, the enterprising one-step shaping of each sleeve has a bulge loop and at least one check mark projection, radial projection of this bulge loop and around the outside wall surface taking shape in this sleeve, the check mark projection of this sleeve takes shape in the outside wall surface of this sleeve, on the internal face of each character wheel, spacer ring is provided with a plurality of check mark projection, and the check mark projection of aforementioned sleeves can be snapped between the two-phase adjacency pair projection of corresponding character wheel;

This combination lock group comprises a sleeve elastic component and a press button further, this sleeve resilience part is sheathed on this lock, the two ends of this sleeve resilience part are resisted against this lock respectively and this is positioned at sleeve near lock bottom, this press button is arranged in the top of this shell body, and is resisted against the sleeve be positioned near lock top.

5. mechanical password door lock as claimed in claim 3, is characterized in that:

6. mechanical password door lock as claimed in claim 4, is characterized in that:

In the outside wall surface of each character wheel of aforementioned combination lock group, spacer ring is provided with a plurality of pattern district, is formed with a locating slot between two adjacent pattern districts;

This mechanical password door lock comprises certain hyte further, this location is mounted on this bolster, and comprise plural alignment pin and plural positioning elastic part, this alignment pin longitudinally arranges and can be arranged on this bolster respectively transverse shifting, and stretch out should character wheel respectively, this positioning elastic part to be located in this bolster and respectively to should alignment pin, the two ends of each positioning elastic part support this bolster and corresponding alignment pin respectively, and this alignment pin of ejection, the end of this alignment pin is resisted against on corresponding character wheel.

7. mechanical password door lock as claimed in claim 5, is characterized in that:

8. mechanical password door lock as claimed in claim 7, it is characterized in that, the section of the catching groove of the clipping ring of aforementioned unblock group is V-shaped, and is formed with two opposed facets, the blocking part of the lock of aforementioned combination lock group is the V-shaped block of a section, and corresponding clip is in the catching groove of this clipping ring.

9. mechanical password door lock as claimed in claim 8, it is characterized in that, in aforementioned combination lock group, the locating convex block of each contraposition part of this lock is incomplete same at circumferentially the formed width along this lock, and the contraposition projection of this sleeve is also incomplete same at circumferentially the formed width along this sleeve.

10. the mechanical password door lock as described in claim 9, is characterized in that:

In aforementioned housing group, this shell body runs through and is provided with a plurality of character wheel hole, one outer grip hole, one press button hole and a driving lever hole, this character wheel hole is along the longitudinal separation spread configuration of this shell body, this outer grip hole is located at this shell body bottom side place, this shell body top is located in this press button hole, this driving lever hole is located on this shell body between this character wheel hole and outer grip hole, this inner housing runs through and is provided with an Internal handle hole and a perforation, this Internal handle hole is corresponding with the outer grip hole of this shell body, this perforation is located at above this Internal handle hole, this bolster is formed with a plurality of character wheel groove, plural number contraposition pin-and-hole and plural dowel hole, this character wheel groove is along the longitudinal separation spread configuration of this bolster, and it is corresponding with the character wheel hole of this shell body respectively, this contraposition pin-and-hole is longitudinally spaced the side being arranged at this character wheel groove, and be crisscross arranged with this character wheel groove, each contraposition pin-and-hole is horizontal expansion, this dowel hole be located at this character wheel groove opposite side and respectively to should character wheel groove, each dowel hole is horizontal expansion and is connected with corresponding character wheel groove,

In aforementioned handle group, this outer handle is arranged in the outer grip hole of this shell body, this Internal handle is arranged in the Internal handle hole of this inner housing, the driving lever of aforementioned unblock group is arranged in the driving lever hole of this shell body, in aforementioned combination lock group, this lock is longitudinally arranged between each character wheel groove of this bolster, this sleeve is respectively to should the contraposition pin-and-hole of bolster, between the character wheel groove that this character wheel is located at this bolster respectively and to should the dowel hole of bolster, again, it is outside that this character wheel is stretched on this shell body by the character wheel hole of this shell body further, this press button is arranged between the press button hole of this shell body, the aforementioned number of looking for is mounted on this bolster and is formed with contraposition pin-and-hole place, in this number of looking for group, the skewed slot of this ejection frame is respectively to should the contraposition pin-and-hole of bolster, this ejection block is located in the contraposition pin-and-hole of this bolster respectively, this alignment pin is also located in the contraposition pin-and-hole of this bolster respectively, aforementioned location is mounted on this bolster and is formed with dowel hole place, this location group comprises a catch further, this catch is fixedly arranged on the corresponding each dowel hole place of side of this bolster, and lid covers the opening of each dowel hole, this alignment pin is located in the dowel hole of this bolster respectively, this positioning elastic part is also located in the dowel hole of this bolster respectively, the two ends of each positioning elastic part support this catch and corresponding alignment pin respectively.