CN201254877Y - Improved structure for box type lock - Google Patents

Abstract

The utility model discloses an improved structure of a box-type lock, comprising a code cover, a switching member, a lock core rod, a control rod, a braking member, a cover plate and a containing box. A control rod is arranged on either side in the code cover; a cutting control member is arranged at the center; a lock core rod matching the control rod is arranged on either side of the cutting control member, and the cutting control member is projected from the cutting control groove of the code cover by the clamping part; the braking member is a frame body and is coated on the entire outer margin of the control rod; the setup end of the lock core rod thereof can make 90-degree reciprocating displacement, i.e. both the matching groove and the non-matching groove can change by 90-degree turn angle, however, the stop post can only change at two positions; and the accuracy of code selection thereof is enhanced by accurate relative position, i.e. the occasions of abrasion and blocking can effectively reduced.

Description

The structure-improved of box lock

Technical field

The utility model relates to a kind of structure-improved of box lock, a kind of by pushing correct number, open crucial box lock and can be used as, You Zhiqi mainly is installed on the wall in public its place, as swimming pool, three places that are not suitable for carrying key such as warm, so that setting code more accurately and the box lock construction of selecting number to be provided, and then the situation to reduce its wearing and tearing and to block.

Background technology

When having many public places to enter, the script personal effects can't be brought into, for example three is warm, places such as swimming pool, these article by clothing extensively to wrist-watch, certificate even wealth etc., so customer, the user is when entering this environment space, the capital is rented the set article placing cabinet in entrance and is deposited, and all be provided with key on the article placing cabinet or with the core of number mode, so that lock knot behind the article storage is used, general article placing cabinet is in order can conveniently to reuse, therefore all be that the mode that is set to key is locked knot, open, the use design of this kind key, when lock is not tied, key can't pull up, key could be pulled out behind the lock knot, after article are fetched, key then blocks to be tied on article placing cabinet, the next bit user can be provided recycling, the personage utilizes and this design often meets with intentionally, behind this article placing cabinet of lock knot use, utilize this section period to take out key to duplicate, give back back original key again, when the next bit user utilizes this article placing cabinet, it can utilize key operated this article placing cabinet that duplicates, and then stealing property, therefore have in addition design with combination lock as unlatching, the article placing cabinet of lock knot, when opening article placing cabinet, set up number on their own, lock knot with the number that sets up on their own, can avoid other people to know and open, and combination lock commonly used, shown in annex, its be as 94 on May 11, " structure-improved () of box lock " of the letters patent book number of checking and approving M264338 number, what main two sides in a cipher cover of its box lock were provided with the arrangement of row's shape cuts the control groove, each cuts the control groove, and each is installed with for a lock core rod and a control lever, control groove ccontaining in regular turn again all controls in the outside and a brake component in cutting in the cipher cover, the front upper place is buried one again underground and is opened button and cut the control interlock, the front lower place is buried a playback button and a brake component interlock underground, the outermost side cover has base plate, two sides in the cipher cover be provided with arrange shape cut the control groove, the top is provided with a perforation, the front upper place is provided with slide opening, then be provided with chute in the below, the lock core rod bottom is provided with the adjustment part, stage casing and epimere are respectively equipped with check mark groove and non-check mark groove, the top is provided with a spring, be equipped with a lockpin hole and collocation on the control lever and be installed with a lock pin, bottom outside is provided with a coupler body, the top is provided with a spring, cutting the control inboard cuts control groove place relatively and is concaved with lock knot groove, the top is provided with blocking part, the inside portion is provided with a spring, the brake component inboard is cut control groove place relatively and is provided with coupler body, the below is provided with the inclined-plane, the top is provided with a spring, open on the button and convex with angle, playback button top is provided with a spring, and base plate is cut control groove place relatively and is equipped with spacing hole.

Pass through said structure, lock core rod and control lever are located in to be cut in the control groove, control lever and stretch out capping can be for pushing, cut control and brake component and be inserted in the cipher cover, cut the blocking part of control and stretch out perforation, open button and be located at slide opening place angle and fixed with blocking part in cutting control groove week side, the playback button is located in the chute place and can stretches out capping, cipher cover closes outward in outermost, and the adjustment part of lock core rod is limited to spacing hole simultaneously, and then to form box lock structure-improved.

The above-mentioned common structure of detailed sight is not difficult to realize that it has remained a little weak point, and main cause is summed up as follows:

(1), the bottom of Chang Yong lock core rod is provided with the adjustment part, stage casing and epimere are respectively equipped with check mark groove and non-check mark groove, the adjustment part cooperates the spacing hole of base plate can be the rotation of round, and check mark groove and non-check mark groove only are towards both direction, this is pushed again, unlatching and sealed action all can its lock pins of interlock, its numerical selection start is inaccurate, and lock pin slides in the control lever place again, the situation generation that promptly increases wearing and tearing and block.

(2), it cuts the framework that control is a square type, and the inboard is cut control groove place relatively and all is concaved with lock knot groove, the top is provided with blocking part, the inside portion cooperation is provided with a spring, by cutting the slippage of control, make the flexible and start of blocking part, when applying external force when excessive, it cuts control has distortion and the possibility of enforced opening, and promptly the intensity of the cooperation of structure and structure is all not enough.

In view of this, the creator this in manufacturing development and the design experiences of being engaged in Related product for many years, at above-mentioned target, in detail after design and the scrupulous assessment, eventually the utility model of a true tool practicality.

The utility model content

(1) technical problem to be solved:

Box lock construction commonly used, the bottom of its lock core rod is provided with the adjustment part, stage casing and epimere are respectively equipped with check mark groove and non-check mark groove, the adjustment part cooperates the spacing hole of base plate can be the rotation of round, and check mark groove and non-check mark groove are towards both direction, and this is pushed again, unlatching and sealed action all can its lock pins of interlock, its numerical selection start is inaccurate, lock pin slides in the control lever place again, the situation generation that promptly increases wearing and tearing and block, technical problem to be solved in the utility model that Here it is.

(2) technical scheme of Cai Yonging:

A kind of structure-improved of box lock, by a cipher cover, one switch piece, one lock core rod, one control lever, one brake component, one cover plate and a container combine, its return unit is inserted in the reset hole by the medial extremity of cipher cover, and be incorporated into the slippage slot place of cipher cover with limited block, other whole control lever reaches the outside orientation of spring relatively with bumping post and is inserted by the cipher cover inboard, this control lever is slidedly arranged on the stopper slot of cipher cover with limited block, and control lever is to protrude from the button hole, the both sides of cutting control are set between hole and clamping groove and all are equiped with lock core rod, its lock core rod inserts the setting hole of cutting control to set end, and one check mark ditch is aimed at by finger tip portion, the recompression lock core rod spring and slip into along the U of clamping groove type opening part, device has the control of cutting of lock core rod to be placed in the cipher cover, this blocking part of cutting control passes cuts the control groove, and the spring of cutting control props up on the box body of cipher cover, this unlatching button combines the location with dead bolt with the buttonhole of cutting control again, and the unlatching button is positioned at the control hole of cutting of panel end and locates, and the bumping post of control lever crosses at non-check mark groove one side of lock core rod, one brake component is placed in the cipher cover, should tiltedly support the inclined thrust surface that face props up return unit, and the spring of brake component is to withstand on the inwall of cipher cover in the other direction, make location hook all aim at the locating button of control lever, again with sealed outwardly its cipher cover of fixing of the wainscot of cover plate, and all the setting end of lock core rods all can be rotated by the setting slot place of cover plate, and the cipher cover after this combination is that blocking part clip with lower end projection and upper end is in the both sides of container buckle end again.

When extruding the password of originally setting for pressing, not lock core rod of She Dinging and the control lever do not pushed, be relative with bumping post with non-check mark groove, this bumping post can move in the non-check mark groove, be the state that correctly to open, and the lock core rod that process is set is towards bumping post with the check mark groove, this check mark groove and corresponding bumping post are to be in Different Plane, must push its control lever by the panel end of password box, this control lever is to its spring of lower compression, and the locating button of control lever is moved down and is fastened the location hook of brake component, make control lever be fixed in depressed position, be that bumping post moves to place, check mark groove plane, this bumping post can move in the check mark groove, be the state that correctly to open, correct pressure is during by the password that goes out to set up on their own, this bumping post is all aimed at check mark groove and non-check mark groove simultaneously, when selecting proper password, its blocking part of cutting control can stretch, cipher cover can be buckled in the container, also cipher cover can be taken out by the container place, wherein, move to pressing down by opening the button place, this is cut control and moves down synchronously, and linkage is in whole lock core rods of cutting on the control, make the check mark groove of lock core rod and non-check mark groove towards the opening of shelves post, all can overlap and pull in all bumping post places, by this can be with in the blocking part retraction cipher cover.

(3) beneficial effect:

(1), the setting end of its lock core rod can carry out the shift reciprocately of 90 degree, promptly check the number groove and non-check mark groove changes with the corners of 90 degree, and bumping post also has only the change of two positions, by relative position accurately, and then to increase the precision of its code selection, the situation that can effectively reduce wear and block.

(2), its lock core rod is located at and is cut among the control, and bumping post is to be one in the control lever place, and the action of opening makes and cuts control integral body and move down, this control lever is limited in the cipher cover again, the cooperation of its structure and the intensity of structure all effectively promote, and then to reduce structure because of external force deformation enforced opening person.

Description of drawings

Fig. 1: be stereogram of the present utility model.

Fig. 2: be the edge-on body exploded view of forward sight of the present utility model.

Fig. 2-1: the partial enlarged drawing that is A of the present utility model place.

Fig. 3: be the edge-on body exploded view of backsight of the present utility model.

Fig. 3-1: the partial enlarged drawing that is B of the present utility model place.

Fig. 3-2: the partial enlarged drawing that is C of the present utility model place.

Fig. 4: be perspective exploded view of the present utility model.

Fig. 5: the schematic diagram that is setting code of the present utility model.

Fig. 6: be of the present utility model towards the schematic diagram of analysing and observe.

Fig. 7: the lock core rod that is D-D section of the present utility model is made cardon.

Fig. 8: the control lever that is D-D section of the present utility model is made cardon.

Fig. 9: be that the control lever of laterally analysing and observe of the present utility model is made cardon.

Figure 10: the unlatching button that is D-D section of the present utility model is made cardon.

Figure 11: cardon is made in the cipher cover unlatching that is E-E section of the present utility model.

Figure 12: the return unit that is E-E section of the present utility model is made cardon.

[critical element symbol description]

The utility model part:

Cipher cover------10 panels------11

------12 cut control hole------13 to button hole

Reset hole------14 slippage slots------141

Open button------15 dead bolts------151

------16 stopper slots------17 of cutting the control groove

Return unit------18 limited blocks------181,42

Inclined thrust surface------182

Spring------183,24,321,43,51

------20 blocking parts------21 of cutting control

Buttonhole------22 gag lever posts------23

Set hole------25 check mark ditches------251

Clamping groove------26

Lock core rod------30 check mark grooves------31

Set end------311 finger tip portions------312

Non-check mark groove---32

Control lever------40 bumping posts------41

Locating button------44

------50 tiltedly support face------52 to brake component

Location hook------53

Cover plate------60 wainscots------61

Setting slot------62

Container------70 accommodation space---71

Buckle end------72

The specific embodiment

Understand and understanding for having the purpose of this utility model, feature and effect further, below please cooperate [brief description of drawingsfig] to describe in detail now as the back:

As Fig. 1, Fig. 2 and shown in Figure 3, a kind of structure-improved of box lock, by a cipher cover 10, one switch piece 20, one lock core rod 30, one control lever 40, one brake component 50, one cover plate 60 and a container 70 combine, one cipher cover 10 offers button hole 12 on panel 11, cut control hole 13 and reset hole 14, these panel 11 subscripts are shown with numeral or the literal that selection can be provided, and be equipped with a plurality of button holes 12, this cuts the edge that control hole 13 and reset hole 14 symmetries are opened in panel 11 again, it is cut control 13 places, hole and is provided with a unlatching button 15, and open button 15 and convex with dead bolt 151, be provided with in the appropriate location of cutting control hole 13 again and cut control groove 16, the neat row in the inside of cipher cover 10 has many stopper slots 17, reset hole 14 places are provided with a return unit 18 in addition, its return unit 18 is to combine setting with limited block 181 with the slippage slot 141 of reset hole 14 ends, one end of this return unit 18 forms inclined thrust surface 181 and is equiped with spring 182, all controls 20 are the support body of a summary like herring-bone form, the one end is provided with the blocking part 21 of protrusion and offers buttonhole 22, and extend to the other end in both sides places and to be provided with gag lever post 23, and gag lever post 23 places are arranged with spring 24 again, this is cut control 20 and extends to form a plurality of relative setting holes 25 and clamping groove 26 to the other end more again, and setting hole 25 all is that partitioned arrangement is in both sides with central authorities with clamping groove 26, the peritreme in this setting hole 25 carves to fall into two vertical each other check mark ditches 251, this clamping groove 26 is formed with the U-shaped opening again, one lock core rod 30 offers the check mark groove 31 and the non-check mark groove 32 of different directions in the shaft place, this check mark groove 31 is 90 degree that stagger mutually with non-check mark groove 32, should be formed with a setting end 311 by check mark groove 31 ends again, and the opening of the finger tip portion 312 right and wrong check mark grooves 32 of setting end 311 in the same way, non-check mark groove 32 ends are equipped with a spring 321 in addition, wherein the quantity of lock core rod 30 is to cooperate button hole 12 quantity of cipher cover 10 and decide, one control lever 40 vertically convexes with a bumping post 41, and the both sides of also relative bumping post 41 are provided with limited block 42 on control lever 40, an end of this control lever 40 is provided with a spring 43 again, be convexly equipped with a locating button 44 in control lever 40 near spring 43 ends, wherein the quantity of control lever 40 equals the quantity of lock core rod 30, one brake component 50 is a square framework, the one minor face is provided with a spring 51, the minor face place of the other end is provided with the face 52 that tiltedly supports, and on the edge, long limit of framework inboard, be formed with a plurality of location hooks 53, and location hook 53 is to cooperate the quantity of control lever 40 and position and be provided with, one cover plate 60 is provided with a wainscot 61, its wainscot 61 places indicate numeral or the literal that selection can be provided, and offer a plurality of setting slots 62, one container 70 is formed with an accommodation space 71, on two relative edge's edge of accommodation space 71, inwardly be protruding with buckle end 72, above button hole 12, set hole 25, clamping groove 26, lock core rod 30, the quantity of control lever 40 and location hook 53 is all identical.

The combination of its structure, Fig. 2 for another example, Fig. 3, shown in Figure 4, its return unit 18 is to be inserted in the reset hole 14 by the medial extremity of cipher cover 10, and be incorporated into slippage slot 141 places of cipher cover 10 with limited block 181, whole control levers 40 is to reach spring 43 outside orientation relatively with bumping post 41 to be inserted by cipher cover 10 inboards in addition, this control lever 40 is slidedly arranged on the stopper slot 17 of cipher cover 10 with limited block 42, and control lever 40 protrudes from the button hole 12, setting hole 25, both sides and 26 of the clamping grooves of cutting control 20 all are equiped with lock core rod 30, its lock core rod 30 is to insert the setting hole 25 of cutting control 20 to set end 311, and one check mark ditch 251 is aimed at by finger tip portion 312, the recompression lock core rod 30 spring 321 and slip into along the U of clamping groove 26 type opening part, it is to insert in the cipher cover 10 that device has the control 20 of cutting of lock core rod 30, this blocking part 21 of cutting control 20 is to pass to cut control groove 16, and the spring 24 of cutting control 20 props up on the box body of cipher cover 10, this unlatching button 15 combines the location with dead bolt 151 with the buttonhole 22 of cutting control 20 again, and unlatching button 15 is positioned at cutting of panel 11 ends and controls 13 places, hole, and the bumping post 41 of control lever 40 is crossed at non-check mark groove 32 1 sides of lock core rod 40, one brake component 50 is placed in the cipher cover 10, should tiltedly support the inclined thrust surface 182 that face 52 props up return unit 18, and the spring 51 of brake component 50 is to withstand on the inwall of cipher cover 10 in the other direction, make location hook 53 all aim at the locating button 44 of control lever 40, again with sealed outwardly its cipher cover 10 of fixing of the wainscot 61 of cover plate 60, and all the setting end 311 of lock core rod 30 all can be rotated by setting slot 62 places of cover plate 60, again the cipher cover 10 after this combination be blocking part 21 clips with lower end projection and upper end in the both sides of container 70 buckle end 72, the accommodation space 71 that can closed container 70 be provided.

The action of its setting code, its cipher cover 10 provides an accommodation space 71 with container 70 as shown in Figure 5, Fig. 6 for another example, Fig. 7 cooperates shown in Figure 3, after opening cipher cover 10, setting end 311 by setting slot 62 place's pressing lock core bars 30 of wainscot 61 ends, make finger tip portion 312 break away from the check mark ditch 251 of setting hole 25, can carry out the reciprocal rotation of 90 degree to lock core rod 30, whether control check mark groove 31 and non-check mark groove 32 be towards the bumping post 41 of control lever 40, this finger tip portion 312 and pushed back in the check mark ditch 251 by spring 321 after the rotation, and check mark groove 31 and non-check mark groove 32 differ 90 degree can't be simultaneously towards bumping post 41, adjust the position of lock core rod 30 according to numeral on the wainscot 61 or literal, when the check mark groove 31 of lock core rod 30 during towards the direction of bumping post 41, the numeral of these lock core rod 30 representatives or literal are the one that desire is set, and the setting of whole passwords is finished in action by this.

Please continue with reference to Fig. 8, Fig. 9 figure also cooperates Fig. 2, when extruding the password of originally setting for pressing, lock core rod of not setting 30 and the control lever of not pushing 40, be relative with bumping post 41 with non-check mark groove 32, this bumping post 41 can move in the non-check mark groove 32, be the state that correctly to open, and the lock core rod 30 that process is set is towards bumping post 41 with check mark groove 31, this check mark groove 31 is to be in Different Plane with corresponding bumping post 41, must push its control lever 40 by panel 11 ends of password box 10, this control lever 40 is to its spring 43 of lower compression, and the locating button 44 of control lever 40 is moved down and is fastened the location hook 53 of brake component 50, make control lever 40 be fixed in depressed position, be that bumping post 41 moves to place, check mark groove 31 planes, this bumping post 41 can move in the check mark groove 31, is the state that can correctly open, correct pressure is during by the password that goes out to set up on their own, and this bumping post 41 is all aimed at check mark groove 31 and non-check mark groove 32 simultaneously.

When selecting proper password, with Figure 10, Figure 11 also cooperates shown in Figure 2, its blocking part 21 of cutting control 20 can stretch, cipher cover 10 can be buckled in the container 70, also cipher cover 10 can be taken out by container 70 places, wherein, move to pressing down by opening button 15 places, this is cut control 20 and is moved down synchronously, and linkage is in whole lock core rods 30 of cutting on the control 20,32 equal can overlapping of the openings towards bumping post 41 of check mark groove 31 and non-check mark groove of lock core rod 30 are pulled in all bumping posts 41 places, by this can be with in the blocking part 21 retraction cipher covers 10, when not forcing in unlatching button 15, its spring 24 that is positioned to cut control 20 both sides is to push back cutting control 20, make the blocking part 21 of cutting control 20 stretch out cipher cover 10, wherein if any a bumping post 41 opening of subtend lock core rod 30 (check mark groove 31 and non-check mark groove 32) not, when it is cut control 20 and moves down, can cause the conflict of bumping post 41 and lock core rod 30, can't move and cut control 20 and make in the blocking part 21 retraction cipher covers 10, by this structure to reach the effect of locking.

Please refer to Figure 12 at last and cooperate Fig. 2, when pushing its control lever 40 and make bumping post 41 pass downwards, the locating button 44 meeting clips of its control lever 40 are in location hook 53 places of brake component 50, be that control lever 40 can not be subjected to spring 43 elastic force voluntarily and upsprings, when desiring to make control lever 40 to return back to the situation of originally not pushing, its return unit 18 is pushed by panel 11 places of cipher cover 10 by system, the inclined thrust surface 182 of this return unit 18 props up the face 52 that tiltedly supports of brake component 50, make brake component 50 to top offset, therefore locating button 44 parts of control lever that location hook 50 fastens 40 are reduced and break away from, this control lever 40 promptly is not subjected to pining down of brake component 50 and on the position before pushing of rebounding, can input password once more by this, reset fast and reusable effect to reach.

The structure of the above-mentioned specific embodiment of mat, can obtain following benefit: the setting end 311 of (one) its lock core rod 30 is the shift reciprocatelies that can carry out 90 degree, the groove 31 of promptly checking the number changes with the corner of non-check mark groove 32 with 90 degree, and bumping post 41 also has only the change of two positions, by relative position accurately, in order to do to increase the precision of its code selection, the situation that can effectively reduce wear and block; (2) its lock core rod 30 is located at and is cut among the control 20, and bumping post 41 is to be one in control lever 40 places, and the action of opening is to make to cut control 20 integral body and move down, this control lever 40 is limited in the cipher cover 10 again, the cooperation of its structure and the intensity of structure all effectively promote, in order to do constructing because of the external force deformation enforced opening to reduce.

In sum, the utility model has reached breakthrough structure design really, and has the utility model content of improvement, can reach simultaneously practicality and progressive on the industry again, and the utility model do not see any publication, have a novelty yet, when the regulation that meets the relevant law of Patent Law, the whence proposes utility application in accordance with the law, earnestly asks the juror of an ancient unit of weight office and authorizes legal monopoly power, and most sense is prayed.

The above only is a preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented with it; Promptly the equalization of being done according to the utility model application right claimed range generally changes and modifies, and all should still belong in the scope that the utility model patent contains.

Claims (13)

1, a kind of structure-improved of box lock, combined by a cipher cover, a switch piece, a lock core rod, a control lever, a brake component, a cover plate and a container, this brake component is provided with a spring and and tiltedly supports face, and on the edge of framework inboard, be formed with a plurality of location hooks, this cover plate offers a plurality of setting slots, this container is formed with an accommodation space, it is characterized in that:

This password is placed on and offers button hole on the panel, cut control hole and reset hole, this cuts the edge that control hole and reset hole symmetry are opened in panel, it is cut place, control hole and is provided with a unlatching button, and open button and convex with dead bolt, be provided with in the appropriate location of cutting the control hole again and cut the control groove, the neat row in the inside of cipher cover has many stopper slots, the reset hole place is provided with a return unit in addition, this return unit is to combine setting with limited block with the slippage slot of the nose end that resets, one end of this return unit is formed inclined thrust surface and is equiped with spring, all control one ends are provided with the blocking part of protrusion and offer buttonhole, and extend to the other end in both sides places and to be provided with gag lever post, and the gag lever post place is arranged with spring again, this is cut control and extends to form a plurality of relative setting hole and clamping grooves to the other end more again, and setting hole and clamping groove all is that partitioned arrangement is in both sides with central authorities, the peritreme in this setting hole carves to fall into two vertical each other check mark ditches, this clamping groove is to be formed with the U-shaped opening again, one lock core rod is check mark groove and the non-check mark groove that offers different directions in the shaft place, this check mark groove end is formed with one and sets end, non-check mark groove end is to be provided with a spring in addition, one control lever vertically convexes with a bumping post, one end of this control lever is provided with a spring, is convexly equipped with a locating button in control lever near spring terminal;

The setting end of this lock core rod can carry out the shift reciprocately of fixed angle, promptly check the number groove and non-check mark groove is to carry out conversion with a corner, and bumping post also has only the change of two positions, by relative position accurately, and then to increase the precision of its code selection, the situation that can effectively reduce wear and block.

2, the structure-improved of box lock according to claim 1 is characterized in that, the wainscot place indicates numeral or the literal that selection can be provided.

3, the structure-improved of box lock according to claim 1 is characterized in that, the quantity of button hole, setting hole, clamping groove, lock core rod, control lever and location hook is all identical.

4, the structure-improved of box lock according to claim 1 is characterized in that the panel subscript is shown with numeral or the literal that selection can be provided, and is equipped with a plurality of button holes.

5, the structure-improved of box according to claim 1 lock is characterized in that, check mark groove and non-check mark groove stagger mutually and 90 spend.

6, the structure-improved of box lock according to claim 1 is characterized in that, the finger tip portion of setting end and the opening of non-check mark groove are in the same way.

7, the structure-improved of box lock according to claim 1 is characterized in that, the both sides of relative bumping post are provided with limited block on the control lever.

8, the structure-improved of box according to claim 1 lock is characterized in that, the both sides of cutting control are set between hole and clamping groove and all are equiped with lock core rod.

9, the structure-improved of box lock according to claim 1 is characterized in that, lock core rod inserts the setting hole of cutting control to set end, and one check mark ditch is aimed at by finger tip portion.

10, the structure-improved of box according to claim 1 lock is characterized in that the blocking part of cutting control passes cuts the control groove, and the spring of cutting control props up on the box body of cipher cover.

11, the structure-improved of box lock according to claim 1 is characterized in that brake component is placed in the cipher cover, and this tiltedly supports the inclined thrust surface that face props up return unit.

12, the structure-improved of box according to claim 1 lock is characterized in that, cipher cover in the both sides of container buckle end, gets final product the accommodation space that closed container provided with the blocking part clip of lower end projection and upper end.

13, the structure-improved of box lock according to claim 1 is characterized in that the locating button of control lever can fasten the location hook of brake component, makes control lever be fixed in depressed position.

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