CN202299695U

CN202299695U - Code lock

Info

Publication number: CN202299695U
Application number: CN2011202658582U
Authority: CN
Inventors: 阮家强
Original assignee: HUAMEI HARDWARE PRODUCT CO Ltd TAISHAN
Current assignee: HUAMEI HARDWARE PRODUCT CO Ltd TAISHAN
Priority date: 2011-07-26
Filing date: 2011-07-26
Publication date: 2012-07-04
Anticipated expiration: 2021-07-26

Abstract

The utility model discloses a code lock. The code lock comprises a lock case, a lock beam which is arranged on the lock case, and a code wheel assembly which is arranged in the lock case and is provided with code wheel sets and a decoder which acts on the code wheel sets, wherein the decoder is provided with a pressing part; the lock beam is provided with a first end and a second end; a first hole and a second hole which correspond to the first end and the second end of the lock beam respectively are formed in the lock case; a first lock beam channel and a second lock beam channel are formed in the lock case; the first end is provided with at least two retractable parts and at least one concave part which corresponds to the retractable parts; the lock case is provided with a convex part which corresponds to the retractable parts and the concave part and is positioned in the first lock beam channel; and the pressing part of the decoder is positioned in the first lock beam channel and corresponds to the tail end of the first end. Therefore, codes can be changed by pressing the tail end of the first end of the lock beam against the pressing part of the decoder directly, and a code changing key is replaced to ensure that the code lock is simple in structure, is convenient to carry and is low in manufacturing cost, and the codes can be changed conveniently.

Description

A kind of coded lock

Technical field

The utility model relates to a kind of coded lock, relates in particular to a kind of coded lock that makes things convenient for escape.

Background technology

Traditional coded lock normally by the lock shell, be contained in the Cipher mechanism of lock in the shell, constituted by the dead bolt of Cipher mechanism effect and lock bridge, rotational password dish when unblanking when the character code of dial-out and the passwords match of setting, is locked and promptly is opened.Concerning coded lock, its unlocking cipher should be able to freely be set by the user, and can change easily, to guarantee the safety of its use.And the typical password of traditional coded lock to change structure be to be provided with decoder, simultaneously to should decoder setting the escape starting drive that is independent of outside the coded lock, with the control decoder, just can carry out the escape operation, for example through using the escape spoon.

Yet this kind can bring following inconvenience to the user through the coded lock of escape starting drives such as escape spoon:

1. on the basis of coded lock, also need be provided with the escape starting drive, make the coded lock complex structure.

2. because said escape starting drive is independent of said coded lock, increased the inconvenience of carrying, simultaneously, it is lost easily, especially is eager to carry out change of secret code as the user, when but can not find starting drive, more brings unnecessary trouble to the user.

3. on the basis of coded lock, set up extra said escape starting drive, increased material cost.

So, be necessary to design a kind of new coded lock, to overcome above-mentioned defective.

The utility model content

The purpose of the utility model be to provide a kind of simple in structure, avoid carrying inconvenience, make things convenient for escape and reduce the coded lock of manufacturing cost.

The utility model coded lock comprises the lock shell, is located at lock bridge on the said lock shell, is located at the cipher wheel assembly in the lock shell; Said cipher wheel assembly is provided with the password wheels and acts on the decoder of said password wheels; Said decoder has a press section, and said lock bridge has first end and second end, and first end and second end of the corresponding said lock bridge of said lock shell are respectively equipped with first hole and second hole; And in the lock shell, form the first lock bridge passage and the second lock bridge passage; Said first end is provided with at least two step down portion and corresponding said portions of stepping down and is provided with at least one depressed part, said lock shell be provided with one with said portion and the corresponding lug boss of said depressed part of stepping down, said boss is in the said first lock bridge passage; The said press section of said decoder is positioned at the said first lock bridge passage, terminal corresponding with said first end.

The utility model coded lock is provided with at least two step down portion and corresponding said portions of stepping down through first end at said lock bridge and is provided with at least one depressed part, and in the said first lock bridge passage, is provided with and said portion and the corresponding lug boss of said depressed part of stepping down; The said press section of said decoder is located in the said first lock bridge passage, and when said lock bridge turned an angle, the said portion that steps down of said first end was corresponding with said lug boss; Press down said first end, said first end is not stopped by said lug boss, moves down; And press on the said press section; And then said lock bridge turned an angle, this moment, the said depressed part of said first end was corresponding with said lug boss, and said lug boss is fastened in the said depressed part; Said first end of said lock bridge is stuck and can not moves up and down; Said first end is suppressed regularly on the press section of said decoder, and just can carry out escape operated this moment, so process has played in the prior art the same effects of escape starting drive such as escape spoon.

So, compare prior art, the utility model coded lock need not set extra escape starting drive; Make simple in structurely, the material of making the escape starting drive has been saved in the inconvenience of having avoided the escape starting drive to carry simultaneously; Reduce cost, in addition, only just can realize escape through operation to lock bridge; Make escape more convenient, can not occur because of the escape starting drive lose can't escape situation.

Preferably, the two said portions of stepping down are two planes that are parallel to each other.

Preferably, the annular depression that said depressed part concaves for the side surface from said first end, said depressed part links to each other with the two said portions of stepping down.

Preferably, said lug boss is the curved sheet that bends from said lock shell.

Another preferably; The bottom that said lock shell is provided with a upper shell and cooperates with said upper shell; Said cipher wheel assembly is provided with the cipher wheel assembly and closes to drive the combination disk that said password wheels rotate; Said decoder is between said combination disk and said password wheels, and said combination disk, said first hole, said second hole and said lug boss all are located on the said upper shell.

Further preferably; Said password wheels are provided with a plurality of bull wheels and the corresponding steamboat that is sheathed in each bull wheel; Said combination disk cooperates with said steamboat adjacent thereto; Said decoder is provided with the rotation section of annular and the back-moving spring that is connected with said rotation section, and said press section forms from the external diameter extension of said rotation section, and the internal diameter of said rotation section is equal to or greater than the internal diameter of said bull wheel; Said rotation section is provided with at least three concave points near a side of said combination disk, and corresponding each the said concave point of said upper shell is provided with a salient point.

Further preferably, said steamboat is provided with and drives the engaging piece that said bull wheel rotates.

Again further preferably; Before escape; Said boss is in the said depressed part of said first end, and first end of said lock bridge is fastened on the said lug boss, and is butted on the press section of said decoder; Said at least three salient points are resisted against the position of not establishing said concave point of the said rotation section of said decoder, and the said mate of said bull wheel and said steamboat leaves.

Description of drawings

Fig. 1 is the three-dimensional exploded view of the utility model coded lock.

Fig. 2 is the assembly drawing of the utility model coded lock.

Fig. 3 is the exploded view of password wheels shown in Fig. 1.

Fig. 4 is the further partial exploded view of password wheels shown in Figure 3.

Fig. 5 is the opposite side view of upper shell shown in Fig. 1.

Fig. 6 is the locking state figure of the utility model coded lock.

Fig. 7 A is the unlocking condition figure of utility model coded lock.

Fig. 7 B is the sectional view of coded lock shown in Fig. 7 A.

Fig. 8 is the state diagram after the lock bridge of coded lock shown in Fig. 7 A turns over 180 degree.

Fig. 9 A is the state diagram of coded lock shown in Figure 8 when pressing down lock bridge.

Fig. 9 B is the sectional view of coded lock shown in Fig. 9 A.

Figure 10 A turns over the state diagram of 90 degree backs with the input new password for the lock bridge of coded lock shown in Fig. 9 A.

Figure 10 B is the sectional view of coded lock shown in Figure 10 A.

Figure 11 turns over the state diagram of 90 degree for the lock bridge of coded lock shown in Figure 10 A.

Figure 12 A is the state diagram behind the coded lock pull-up lock bridge shown in Figure 11.

Figure 12 B is the sectional view of coded lock shown in Figure 12 A.

Figure 13 turns over the state diagram before locking after 180 for coded lock shown in Figure 12 A.

The state diagram that Figure 14 locks for coded lock shown in Figure 13.

Figure 15 bends the lateral view that removes part lock shell on the sheet for the utility model coded lock lock bridge is fastened in.

Figure 16 removes the lateral view of part lock shell when locking for the utility model coded lock.

The drawing reference numeral explanation:

1 lock shell, 11 upper shells, 110 through holes, 111 first holes

112 second holes, 113 curved sheet 114 salient points 115 pad spacers

116 pad spacer locating shafts, 117 lock bolt sleeve locating shafts, 12 bottoms, 2 lock bridges

21 first ends, 22 second ends 210 portion's 211 depressed parts of stepping down

3 dead bolt devices, 31 dead bolts, 32 pinnings, 33 latch bolt springs

37 perforation of 34 shell fragments, 35 plectrums, 36 lock bolt sleeves

41 password wheels, 410 tergites, 411 fixed axis, 412 axle caps

Steamboat 415 back steamboats 416 preceding bull wheels in the middle of the steamboat 414 before 413

417 back bull wheel 418 mesons 419 pads 420 spring bases

421 springs, 422 fore-sets, 423 projections, 424 first protuberances

42 combination disk, 427 combination disk ends, 425 second protuberances, 426 engagement places

428 combination disk end grooves, 43 decoders, 430 rotation sections, 431 decoder torsion springs

Fork is colluded in 432 concave points, 433 press sections 5

The specific embodiment

Below in conjunction with accompanying drawing and specific embodiment the utility model coded lock is further described.

Shown in Fig. 1-5, the utility model coded lock comprises lock shell 1, is located at lock bridge 2 on the said lock shell 1, is located at the cipher wheel assembly in the said lock shell 1 and is located at the dead bolt device 3 in the said lock shell 1.The bottom 12 that said lock shell 1 has a upper shell 11 (comprising sheathed interior upper casing and outer upper casing) and cooperates with said upper shell 11.Said cipher wheel assembly comprises password wheels 41, drives the combination disk 42 of password wheels 41 rotations and is located at the decoder 43 between said password wheels 41 and the said combination disk 42.Said dead bolt device 3 comprises dead bolt 31, be located at shell fragment 34 that the said dead bolt device 3 of pinning 32, the latch bolt spring 33 of said dead bolt 31 elastic telescopics of control, control on the dead bolt 31 rotates, be sheathed on plectrum 35 and lock bolt sleeve 36 on the said pinning 32; This plectrum 36 is used for dialling random character code after password is established.

Shown in Fig. 3-4; Be the exploded view of said password wheels 41, said password wheels 41 have a tergite 410, and said tergite 410 is provided with a fixed axis 411; This fixed axis 411 is provided with an axle cap 412; Preceding steamboat 413, middle steamboat 414, back steamboat 415 correspondence respectively are placed in two preceding bull wheels 416, the back bull wheel 417, and corresponding with corresponding three mesons 418 and two pads 419, are sheathed on successively on the said fixed axis 411 that is positioned at said axle cap 412 1 sides; The opposite side of said fixed axis 411 is arranged with spring base 420 and spring 421 successively, referring to Fig. 4.Said password wheels 41 are through two fore-sets 422 and upper shell 11 Upper gasket spacer locating shafts 116 and lock bolt sleeve locating shaft 117 (shown in Figure 1), and together support is (on upper shell 11 peripheries) in said lock shell 1.

Like Fig. 5, in conjunction with shown in Figure 1, said combination disk 42 is located at said upper shell 11 outsides; Which is provided with character code; It is provided with a combination disk end 427, and said combination disk end 427 is provided with two combination disk end grooves 428, and the through hole 110 of said upper shell 11 is passed in said combination disk end 427; This two combination disk end grooves 428 matches with the projection 423 of said preceding steamboat 413, rotates to drive said preceding steamboat 413.Said upper shell 11 corresponding said lock bridges 2 are provided with first hole 111 and second hole 112, and form the first lock bridge passage and the second lock bridge passage, with first end 21 and second end 22 that is installed with said lock bridge 2 respectively.Said upper shell 11 is provided with a lug boss in the said first lock bridge passage; This lug boss is a curved sheet 113 in this instance, and this curved sheet 113 is to be bent to form through direct punching out on said upper shell 11, so; Technology is simple; Economical with materials can certainly be provided with lug boss through alternate manner in said upper shell 11, like the mode through installing salient point or projection etc.Said upper shell 11 is provided with three salient points 114 around said through hole 110.In addition, the lock bolt sleeve locating shaft 117 that said upper shell 11 is provided with pad spacer 115, pad spacer locating shaft 116 and is used to locate said lock bolt sleeve 36, this lock bolt sleeve locating shaft 117 passes the perforation 37 of said lock bolt sleeve 36.

As shown in Figure 1; Said decoder 43 is provided with the rotation section 430 of annular and the decoder torsion spring 431 that is connected with said rotation section 430; The internal diameter of said rotation section 430 is equal to or greater than the internal diameter of said preceding bull wheel 416; And its side near said combination disk 42 is provided with three concave points 432, and said three concave points 432 are corresponding one by one with said three salient points 114 on the said upper shell 11.Said rotation section 430 extends to form a press section 433 from its external diameter, and said press section 433 is positioned at the said first lock bridge passage, terminal corresponding with said first end 21 of said lock bridge 2.Said decoder torsion spring 431 is placed on the said fore-set 422.Wherein, the concave point on the said rotation section 430 can be for a plurality of, and the said salient point of corresponding said upper shell 11 is a plurality of.

Like Fig. 1, Figure 15 and shown in Figure 16; Said first hole 111 and the said first lock bridge passage of said first end, the 21 corresponding said upper shells 11 of said lock bridge 2; The corresponding said curved sheets 113 of said first end 21 are provided with two step down portion 210 and depressed parts 211; Said two portion 210 two planes of stepping down for being parallel to each other, the annular depression that said depressed part 211 concaves for the side surface from said first end 21, said depressed part 211 links to each other with the two said portions 210 that step down.Certainly, the said portion of stepping down can also can be other shapes such as depression or groove for a plurality of; But; Said two of present embodiment portion 210 two planes for being parallel to each other of stepping down are through directly on the material that forms said lock bridge 2, milling out two planes, and this kind directly mills out the mode on two planes and compare other mode; Simpler on the technology, be best mode.Said depressed part also can be other shape, like square orifice etc., as long as can be with the said lug boss of said upper shell such as the curved sheet in the present embodiment, is fastened in it and gets final product.In addition, what said first end 21 also was provided with ring-shaped depression in addition colludes fork auxiliary section 212, and this colludes fork auxiliary section 212 and colludes fork and 5 cooperate, and colludes to pitch 5 and be installed in movably on the said upper shell 11, departs from the said first lock bridge passage to prevent said first end 21.

As shown in Figure 2, be the assembly drawing of said coded lock.

Below each user mode of said coded lock is described.

As shown in Figure 6, be the locking state figure of said coded lock, afterwards; Like Fig. 7 A, shown in the 7B, stir said combination disk 42; The said combination disk end grooves 428 of said combination disk 42 cooperates with said projection 423 places of said preceding steamboat 413 and drives said preceding steamboat 413 rotates; Before said steamboat 413 through first protuberance, 424 places drive said in the middle of steamboat 414 rotate, in like manner said in the middle of steamboat 414 drive said back steamboat 415 through second protuberance 425 and rotate, said before steamboat 413, said in the middle of steamboat 414, said back steamboat 415 drive said two respectively through engagement place 426 again before bull wheels 416 and said back bull wheel 417 rotate; Behind the input proper password; Pulling lock bridge 2, said dead bolt 31 breaks away from said first end 21, unblanks.

Then, with said lock bridge 2 Rotate 180 degree, as shown in Figure 8.Press down said lock bridge 2 again, like Fig. 9 A, shown in the 9B; This moment, the one said interior said curved sheet 113 of portion 210 and a said lock bridge passage of stepping down of said first end 21 was corresponding; Said first end 21 is not stopped by said curved sheet 113, moves down, and its end presses on the said press section 433 of said decoder 43; Said rotation section 430 rotations of said decoder 43; Said three concave points 432 on the said rotation section 430 break away from (before this, said three salient points, 114 correspondences are positioned at said three concave points 432) with said three salient points 114 of said upper shell 11, and said three salient points 114 are resisted against the position of not establishing said concave point 432 on the said rotation section 430; With said rotation section 430 jack-up; Correspondingly, said pad 419, said before bull wheel 416, said back bull wheel 417 and said spring base 420 by said rotation section 430 jack-up after with said before steamboat 413, said in the middle of the said engagement place of steamboat 414, said back steamboat 415 opened in 426 minutes, said spring 421 and said decoder torsion spring 431 are compressed.

Afterwards, like Figure 10 A, shown in the 10B; Said lock bridge 2 revolved turn 90 degrees, this moment, the said curved sheet 113 of said upper shell 11 was corresponding with the said depressed part 211 of said first end 21 of said lock bridge 2, and was fastened in the said depressed part 211; Said lock bridge 2 is stuck and can not moves up and down; Rotate to 90 degree referring to lock bridge shown in Figure 15, rotate said combination disk 42, drive said preceding steamboat 413, said middle steamboat 414, steamboat 415 rotations of said back; Bull wheel 416 and said back bull wheel 417 do not rotate before said two, rotate the new password of said combination disk 42 inputs.

And then with said lock bridge 2 opposite spins 90 degree, shown in figure 11, at this moment; Said curved sheet 113 separates with the said depressed part 211 of said first end 21 of said lock bridge 2, and corresponding with the said portion 210 that steps down of said first end 21, then; Like Figure 12 A; Shown in the 12B, the said lock bridge 2 of pull-up, said decoder 43 is homing under the elastic force effect of said decoder torsion spring 431.Said pad 419, said before bull wheel 416, said back bull wheel 417 and said spring base 420 homing under the elastic force effect of said spring 421.

Shown in figure 13 then, with said lock bridge 2 Rotate 180 degree, said second end 22 is positioned at corresponding 112 positions, said second hole, and is shown in figure 14 afterwards, presses down said lock bridge 2 and locks, and accomplishes escape.

Among the above embodiment; The angle that said lock bridge 2 turns in each user mode is 90 degree or 180 degree; But the utility model coded lock is not limited to this; Can realize the motion action of different angles through quantity setting or different azimuth setting, and realize said function the said portion that steps down of said lock bridge.

Above-mentioned explanation is the detailed description to the preferable possible embodiments of the utility model; But embodiment is not in order to limit the patent claim of the utility model; Equal variation that the technical spirit that all the utility model disclosed is accomplished down or modification change all should belong to claim that the utility model is contained.

Claims

1. coded lock; Comprise the lock shell, be located at lock bridge on the said lock shell, be located at the cipher wheel assembly in the lock shell, said cipher wheel assembly is provided with the password wheels and acts on the decoder of said password wheels, and said decoder has a press section; Said lock bridge has first end and second end; First end and second end of the corresponding said lock bridge of said lock shell are respectively equipped with first hole and second hole, and in the lock shell, form the first lock bridge passage and the second lock bridge passage, it is characterized in that: said first end is provided with at least two step down portion and corresponding said portions of stepping down and is provided with at least one depressed part; Said lock shell be provided with one with said portion and the corresponding lug boss of said depressed part of stepping down; Said boss is in the said first lock bridge passage, and the said press section of said decoder is positioned at the said first lock bridge passage, terminal corresponding with said first end.

2. coded lock according to claim 1 is characterized in that: the two said portions of stepping down are two planes that are parallel to each other.

3. coded lock according to claim 1 is characterized in that: the annular depression that said depressed part concaves for the side surface from said first end, said depressed part links to each other with the two said portions of stepping down.

4. according to claim 1 or 2 or 3 described coded locks, it is characterized in that: said lug boss is the curved sheet that bends from said lock shell.

5. according to right 1 or 2 or 3 described coded locks; It is characterized in that: the bottom that said lock shell is provided with a upper shell and cooperates with said upper shell; Said cipher wheel assembly is provided with the cipher wheel assembly and closes to drive the combination disk that said password wheels rotate; Said decoder is between said combination disk and said password wheels, and said combination disk, said first hole, said second hole and said lug boss all are located on the said upper shell.

6. coded lock according to claim 5; It is characterized in that: said password wheels are provided with a plurality of bull wheels and the corresponding steamboat that is sheathed in each bull wheel; Said combination disk cooperates with said steamboat adjacent thereto; Said decoder is provided with the rotation section of annular and the back-moving spring that is connected with said rotation section, and said press section forms from the external diameter extension of said rotation section, and the internal diameter of said rotation section is equal to or greater than the internal diameter of said bull wheel; Said rotation section is provided with at least three concave points near a side of said combination disk, and corresponding each the said concave point of said upper shell is provided with a salient point.

7. coded lock according to claim 6 is characterized in that: said steamboat is provided with and drives the engaging piece that said bull wheel rotates.

8. coded lock according to claim 7; It is characterized in that: before escape; Said boss is in the said depressed part of said first end, and first end of said lock bridge is fastened on the said lug boss, and is butted on the press section of said decoder; Said at least three salient points are resisted against the position of not establishing said concave point of the said rotation section of said decoder, and the said mate of said bull wheel and said steamboat leaves.