CN207332499U

CN207332499U - Mechanical code lock

Info

Publication number: CN207332499U
Application number: CN201720616360.3U
Authority: CN
Inventors: 方永秋; 程来胜
Original assignee: Shenzhen Wansha Fu Intelligent Locks Co Ltd
Current assignee: Shenzhen Wansha Fu Intelligent Locks Co Ltd
Priority date: 2017-05-27
Filing date: 2017-05-27
Publication date: 2018-05-08
Anticipated expiration: 2027-05-27

Abstract

A kind of mechanical code lock, including：Base, including bottom plate and side plate, are provided with multiple barrier blocks being intervally arranged in linear type on bottom plate；Lock tongue, including lock tongue body and the lock tongue control unit for being arranged on lock tongue body one end, the bottom of lock tongue body are provided with multiple support feets, and each support feet is corresponded to and is placed between each two barrier blocks, and control-rod is provided with lock tongue control unit；Locking mechanism, including locking plate component, bolt and elastic component, locking plate component includes locking plate and the locking plate shaft coordinated with its transition, the multiple non-unlock recesses and a unlock recess provided circumferentially about of locking plate, include multiple spaced limited blocks and the bolt limited post positioned at bolt both ends on one side of bolt, elastic component is corresponded to and is set on bolt limited post, the protrusion identical with spacing number of blocks is provided with another side of bolt, each limited block is between each support feet and each barrier blocks.

Description

Mechanical code lock

Technical field

Lock technology field is the utility model is related to, and more particularly to a kind of mechanical code lock.

Background technology

At present, it is big to be generally divided into mechanical code lock, electronic password lock and electromechanical coded lock three for domestic existing password lock Class.Mechanical code lock long history, its main feature is that：Using simple, cheap.The drawback is that：Password number is insufficient, once system Make and finish password and can not change, and mechanical cipher is easily cracked.With people to the requirements at the higher level in theftproof lock performance and The development of digitizing technique, a kind of new electronic password lock by microprocessor control were widely used in recent years, its Feature is：Without key, using electronic touching type I key-press input password, unlatching is easy and convenient, and password number is numerous, and is easy to more Change password, but shortcoming is also it will be apparent that reliable and stable sex chromosome mosaicism, the antivibration of electronic circuit board of such as electronic component are asked The problems such as topic, battery life, all be easy to causeing electronic lock can not open.Such issues that in order to solve, most producers are in electricity Should tightly locking for a kind of referred to as " override lock " is installed on the basis of son lock additional, in the case where electronic lock can not be opened, has been locked with override Open the electronic lock, due to the presence of override lock, make such electronic lock confidentiality and security again into hidden danger.A new generation Electromechanical lock handle mechanical code lock and electronic password lock are combined together, and performance one is replaced with the numerous mechanical code lock of password As override lock, security and confidentiality greatly increase, but still suffer from and carry shape key, the shortcomings that being easily replicated.

Utility model content

The purpose of this utility model is to provide a kind of mechanical code lock, easily cracked and reliably with solving existing password lock The problem of property is not high.

The utility model, which solves its technical problem, to be realized using following technical solution.

The utility model provides a kind of mechanical code lock, including：

Base, including bottom plate and side plate, support base and multiple barrier blocks being intervally arranged, head and the tail two are provided with bottom plate Limiting slot is both provided with barrier blocks；

Lock tongue, including lock tongue body and the lock tongue control unit for being arranged on lock tongue body one end, the bottom of lock tongue body Portion is provided with multiple support feets, and each support feet is corresponded to and is placed between each two barrier blocks, and control is provided with lock tongue control unit Bar, push lever can drive lock tongue to move back and forth；

Locking mechanism, including locking plate component, bolt and elastic component, locking plate component include locking plate and the lock coordinated with its transition Piece shaft, locking plate are fixed on support base by locking plate shaft, multiple non-unlock recesses provided circumferentially about of locking plate and a solution Recess is locked, includes multiple spaced limited blocks and the bolt limited post positioned at bolt both ends on a side of bolt, Elastic component is corresponded to and is set on bolt limited post, and the protrusion identical with spacing number of blocks is provided with another side of bolt, Between each support feet and each barrier blocks, bolt limited post is located in limiting slot each limited block, and each locking plate is appointed One non-unlock recess corresponds to and is compressed to a protrusion；

Rotation locking plate shaft drives locking plate to rotate to the unlock recess of locking plate and is compressed to protrusion, and elastic component drives the limit of bolt Position block exits between barrier blocks and support feet, and push lever drives lock tongue reach, mechanical code lock unlock.

Further, when mechanical code lock is in the lock state, multiple limited blocks on bolt are all placed in lock tongue body Between two support feets of head and the tail in portion.

Further, mechanical code lock includes at least one lock tongue, and each lock tongue is matched somebody with somebody with one or two locking mechanisms Close.

Further, mechanical code lock further includes inner cover plate, and the bar for housing lock tongue body is provided with inner cover plate Shape groove and the first perforation passed through for locking plate shaft.

Further, mechanical code lock further includes turntable, and turntable includes password figure disk and is interlocked with locking plate shaft Turntable shaft；

Further, mechanical code lock further include with the matched base cover plate of base, be provided with base cover plate for turning The second perforation that dish axle passes through.

Further, it is placed between base and base cover plate formed with accommodating cavity, locking mechanism in accommodating cavity.

Further, a circle concave point, password figure disk are provided with the one side that base cover plate is in contact with password figure disk Two grooves point-blank are provided with the one side being in contact with base cover plate, are provided with steel ball in groove, steel ball from Groove exposes and is engaged with concave point.

Further, two lock tongue guide posts are provided with lock tongue control unit, an elasticity is arranged with each lock tongue guide post Part, elastic component are compressed between lock tongue control unit and a side plate of base.

Further, the centre bore passed through for locking plate shaft and the tool receptacle communicated with centre bore are provided with locking plate, Locking plate shaft and locking plate clearance fit can be made by strutting tool socket.

Mechanical code lock provided by the utility model, by making locking mechanism coordinate with multiple barrier blocks on base, makes Each bolt it is multiple it is raised form multi-point interlinked mechanism with multiple locking plates, only each bolt it is each it is raised with it is corresponding After the unlock recess of locking plate is engaged, elastic component can just drive bolt to be ejected between multiple support feets and multiple barrier blocks, from And mechanical code lock is unlocked, do not simply fail to be cracked one by one as conventional mechanical coded lock, substantially increase and crack difficulty Degree, and make use of the existing elasticity of metal and fatigue resistance, reliability higher.

Brief description of the drawings

Fig. 1 is the overall structure diagram of mechanical code lock in the utility model first embodiment.

Fig. 2 is the structure diagram of another angle in Fig. 1.

Fig. 3 is the fractionation structural representation in Fig. 1.

Fig. 4 is the partial structural diagram of mechanical code lock in the utility model first embodiment.

Fig. 5 is the structure diagram of another angle in Fig. 4.

Fig. 6 is the fractionation structural representation in Fig. 4.

Fig. 7 is the fractionation structural representation of locking plate component and turntable in the utility model first embodiment.

Fig. 8 is the combining structure schematic diagram of Fig. 7.

Fig. 9 is the structure diagram that locking mechanism is in the lock state in the utility model first embodiment.

Figure 10 is the structure diagram that locking mechanism is in the unlocked state in the utility model first embodiment.

Figure 11 is the structure diagram of another angle in Figure 10.

Figure 12 is the structure diagram of mechanical code lock in the utility model second embodiment.

Embodiment

Further to illustrate that the utility model is to reach technical approach and effect that predetermined purpose of utility model is taken, With reference to the accompanying drawings and embodiments, to specific embodiment of the present utility model, structure, feature and its effect, describe in detail such as Afterwards.

Fig. 1 is the overall structure diagram of mechanical code lock in the utility model first embodiment, and Fig. 2 is another in Fig. 1 The structure diagram of angle, Fig. 3 are the fractionation structural representation in Fig. 1.Please refer to Fig.1 to Fig. 3, provided by the utility model one Kind mechanical code lock, including：

Base 10, including bottom plate 11 and side plate 12, support base 111 is provided with bottom plate 11 and multiple is intervally arranged in a word The barrier blocks 112 of shape, are both provided with limiting slot 113 in two barrier blocks 112 from beginning to end；

Lock tongue 20, including lock tongue body 21 and the lock tongue control unit 22 for being arranged on 21 one end of lock tongue body, lock tongue sheet The bottom in body portion 21 is provided with multiple support feets 211, and each support feet 211 is corresponded to and is placed between each two barrier blocks 112, lock tongue The control-rod 222 of bottom plate 10 is provided perpendicular on control unit 22, push lever 222 can drive lock tongue 20 to move back and forth；

Locking mechanism, including locking plate component, bolt 31 and elastic component (not shown), in the present embodiment, a lock tongue 20 It is engaged with two bolts 31, which is respectively placed in the both sides of lock tongue 20.In other embodiments, a lock tongue 20 It can be engaged with a bolt 31.

Specifically, multiple spaced limited blocks 311 are included on a side of bolt 31 and positioned at 31 liang of bolt The bolt limited post 312 at end, elastic component are corresponded to and are set on bolt limited post 312, be provided with another side of bolt 31 The protrusion 313 identical with 311 quantity of limited block, each limited block 311 be located at each support feet 211 and each barrier blocks 112 it Between, bolt limited post 312 is located in limiting slot 113.

Locking plate component includes locking plate 33 and the locking plate shaft 34 with locking plate interference fit, and locking plate 33 passes through the locking plate shaft 34 are fixed on support base 111, multiple non-unlock recesses 331 (Fig. 7) provided circumferentially about of locking plate 33 and a unlock recess 332 (Fig. 7), wherein, the cup depth of unlock recess 332 is more than the depth of non-unlock recess 331, and any one of each locking plate 33 is non- Unlock recess 331 is compressed to a protrusion 313, rotates each locking plate shaft 34 successively and drives the corresponding rotation of locking plate 33 until every The unlock recess 332 of a locking plate 33 is compressed to a protrusion 313, and at this time, the limited block 311 of elastic component driving bolt 31 is from barrier Exited between block 112 and support feet 211, then push lever 222 drives lock tongue 20 to move forward, mechanical code lock unlock.

Further, please refer to Fig.3, mechanical code lock further includes turntable 40, which includes (the figure of password figure disk 41 7) turntable shaft 42 (Fig. 7) and with the locking plate shaft 34 being interlocked.

Incorporated by reference to Fig. 3, mechanical code lock further includes inner cover plate 50, lock tongue control unit cover board 53 and base cover plate 60, inner cover The bar-shaped trough 51 for housing lock tongue body 21 and the first perforation 52 passed through for locking plate shaft 34 are provided with plate 50；Lock tongue The groove of the control-rod 222 for avoiding lock tongue control unit 22 is provided with control unit cover board 53, lock tongue control unit cover board 53 covers Cover the lock tongue control unit 22；The second perforation 62 and for control-rod passed through for turntable shaft 42 (Fig. 7) is provided with base cover plate 60 222 the 3rd perforation 63 passed through, form accommodating cavity, locking mechanism is placed in accommodating cavity between base 10 and base cover plate 60.

Further, a circle concave point 61, password are provided with the one side that base cover plate 60 is in contact with password figure disk 41 Two grooves 411 (Fig. 7) point-blank, groove are provided with the one side that dial 41 is in contact with base cover plate 60 Steel ball (not shown) is provided with 411, steel ball exposes from groove 411 and is engaged with concave point 61.When rotation password figure disk When 41, its two internal steel ball moves between each two concave point 61 successively, and at this time, steel ball 412 can produce rotation sound, separately Outside, fricative can be produced when password figure disk 41 rotates between base cover plate 60, the meeting between bolt 31 when locking plate 33 rotates Fricative is produced, three kinds of sound mix, and can increase the difficulty that mechanical code lock is cracked.

Further, the quantity of concave point 61, locking plate 33 recess quantity and password figure disk 41 on digital number it is equal Identical, in the present embodiment, digital number is ten on password figure disk 41, in other embodiment, according to password figure disk 41 Upper digital number is different, the quantity of concave point 61 and the recess quantity (summation for unlocking recess and non-unlock recess) of locking plate 33 Correspondingly make a change.

Fig. 4 is the partial structural diagram of mechanical code lock in the utility model first embodiment, and Fig. 5 is another in Fig. 4 The structure diagram of angle, Fig. 6 are the fractionation structural representation in Fig. 4.Incorporated by reference to Fig. 3 to Fig. 6, the barrier blocks on base 10 112nd, the numerical ciphers that the quantity of the limited block 311 of the support feet 211 of lock tongue 20 and bolt 31 can be set as needed Digit make a change.In the present embodiment, the quantity of password figure disk 41 is six, and the quantity of bolt 31 is two, correspondingly, Lock tongue 20 includes the first support feet 211a, the second support feet 211b and the 3rd support feet 211c, and bolt 31 includes the first limited block 311a, the second limited block 311b and the 3rd limited block 311c, base 10 include being secured to the first barrier blocks 112a of connection, the Two barrier blocks 112b, the 3rd barrier blocks 112c and the 4th barrier blocks 112d.In other embodiments, the quantity of password figure disk 41 At least three are could be provided as needed, correspondingly, the quantity of bolt 31 can be one.

Fig. 6 is refer to, two lock tongue guide posts 221 are provided with lock tongue control unit 22, are arranged with each lock tongue guide post 221 One elastic component (not shown), when mechanical code lock is in the lock state, lock tongue 20 can not move, and elastic component is compressed to lock Between tongue control unit 22 and a side plate 12 of base 10, prevent lock tongue 20 from swaying forwards and backwards；When mechanical code lock unlocks, control is promoted Bar 222 processed makes lock tongue 20 move forward to solution lock-bit, at this time, 221 compression elastic piece of lock tongue guide post.

Fig. 7 is the fractionation structural representation of locking plate component and turntable in the utility model first embodiment, and Fig. 8 is in Fig. 7 Combining structure schematic diagram.Incorporated by reference to Fig. 7 and Fig. 8, centre bore 333 is provided with locking plate 33 and is connected with its centre bore 333 Tool receptacle 334, locking plate shaft 34 is interference fitted by centre bore 333 and locking plate 33, and the turntable shaft 42 of turntable 40 is provided with The axis hole being interlocked with locking plate shaft 34, when turntable shaft 42 is fastened with locking plate shaft 34, passes through rotational password dial 41 Locking plate shaft 34 is driven to rotate.

Further, when needing to change the password of mechanical code lock, made by rotating locking plate shaft 34 on locking plate 33 The protrusion 313 that unlock recess 332 is turned on bolt 31 corresponding thereto is engaged, and will change close instrument (not shown) insertion should In tool receptacle 334, and then the centre bore 333 for making to communicate with tool receptacle 334 increases, at this time, locking plate 33 and locking plate shaft 34 Realize clearance fit, drive locking plate shaft 34 to rotate so that locking plate shaft 34 is with respect to locking plate 33 by rotating password figure disk 41 It is freely rotated, you can complete password setting.In the present embodiment, locking mechanism is preferably completed by metal material, it was both With certain elasticity again with certain fatigue resistance, reliability is higher, and in other embodiments, locking mechanism can also It is made of materials such as plastics or resins.

Fig. 9 is the structure diagram that locking mechanism is in the lock state in the utility model first embodiment, incorporated by reference to Fig. 3 And Fig. 9, locking mechanism include two bolts 31, the protrusion 313 of one of bolt 31 is compressed on corresponding locking plate 33 Recess 332 is unlocked, the protrusion 313 of another bolt 31 is compressed to the non-unlock recess 331 on corresponding locking plate 33.In other realities Apply in example, when locking mechanism is in the lock state, the non-unlock that the protrusion 313 of two bolts 31 can be compressed on locking plate 33 is recessed Mouth 331.

Further, incorporated by reference to Fig. 3 and Fig. 9, when mechanical code lock is in the lock state, the first of lock tongue body 21 Support feet 211a is placed between the first barrier blocks 112a and the second barrier blocks 112b, and the second support feet 211b is placed in the second barrier blocks Between 112b and the 3rd barrier blocks 112c, the 3rd support feet 211c be placed in the 3rd barrier blocks 112c and the 4th barrier blocks 112d it Between；The first limited block 311a on bolt 31 is placed between the first support feet 211a and the second barrier blocks 112b, the second limited block 311b is placed between the second support feet 211b and the 3rd barrier blocks 112c, the 3rd limited block 311c be placed in the 3rd support feet 211c with Between 4th barrier blocks 112d.

At this time, three support feets 211 (211a, 211b, 211c) of lock tongue body 21 are limited at each two barrier Between block 112 (112a, 112b, 112c, 112d), it can not move.

Figure 10 is the structure diagram that locking mechanism is in the unlocked state in the utility model first embodiment, and Figure 11 is figure The structure diagram of another angle in 10.Incorporated by reference to Fig. 3, Figure 10 and Figure 11, phase is driven by rotating each password figure disk 41 The locking plate 33 answered rotates, until the unlock recess 332 of each locking plate 33 is compressed to the protrusion 313 of corresponding bolt 31, at this time, set If the limited block 311 of the elastic component driving bolt 31 on to bolt limited post 312 is supported from corresponding barrier blocks 112 and accordingly Removed between foot 211, specifically, the first limited block 311a is removed between the first support feet 211a and the second barrier blocks 112b, Second limited block 311b is removed between the second support feet 211b and the 3rd barrier blocks 112c, and the 3rd limited block 311c is from the 3rd Removed between spike 211c and the 4th barrier blocks 112d.At this time the first support feet 211a can the first barrier blocks 112a (Fig. 4) with Moved freely between second barrier blocks 112b, the second support feet 211b can the second barrier blocks 112b and the 3rd barrier blocks 112c it Between move freely, the 3rd support feet 211c can be automatically moved between the 3rd barrier blocks 112c and the 4th barrier blocks 112d.Promote The control-rod 222 of lock tongue 20, you can make lock tongue 20 move forward, so that mechanical code lock unlocks.

Figure 12 is the partial structural diagram of mechanical code lock in the utility model second embodiment, please join Figure 12, this reality The mechanical code lock provided with new second embodiment, other structures are identical with aforementioned first embodiment, and difference exists In the mechanical code lock in the present embodiment only needs a lock tongue 20 to be engaged with a bolt 31.In the present embodiment, a lock Six limited blocks 311 are for example provided with one side of bar 31, six are correspondingly provided with another side of a bolt 31 A raised 313, in the present embodiment, locking mechanism is in the unlocked state, and the unlock recess 332 of locking plate 33 is compressed to corresponding set In the protrusion 313 put, when locking plate 33, which turns to its non-unlock recess 331, to be compressed in the protrusion 313 of corresponding setting, lock Piece 33 promotes the limited block 311 of bolt 31 to be caught in lock tongue 20 and limits the movement of the lock tongue 20.

Mechanical code lock provided by the utility model, by making locking mechanism match somebody with somebody with multiple barrier blocks 112 on base 10 Close, make multiple raised the 313 of each bolt 31 and multiple locking plates 33 form multi-point interlinked mechanism, only in the every of each bolt 33 After a raised 313 are engaged with the unlock recess 332 of corresponding locking plate 33, the elastic component of locking mechanism can just drive bolt 31 from Eject between multiple support feets 211 and multiple barrier blocks 112, so that mechanical code lock unlocks, not only substantially increase brokenly Difficulty is solved, and make use of the existing elasticity of locking plate 33 and fatigue resistance, reliability higher.

Herein, term " comprising ", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, are removed Include those listed key elements, but also other elements that are not explicitly listed can be included.

Herein, the involved noun of locality such as forward and backward, upper and lower is to be located at parts in attached drawing in figure and zero Part mutual position defines, only for the purpose of expressing the technical solution clearly and conveniently.It should be appreciated that the noun of locality Use should not limit the claimed scope of the application.

In the case where there is no conflict, the feature in embodiment and embodiment herein-above set forth can be combined with each other.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality Within new spirit and principle, any modification, equivalent replacement, improvement and so on, should be included in the guarantor of the utility model Within the scope of shield.

Claims

A kind of 1. mechanical code lock, it is characterised in that including：

Base (10), including bottom plate (11) and side plate (12), are provided with support base (111) and multiple intervals on the bottom plate (11) The barrier blocks (112) of arrangement, on the barrier blocks (112) of head and the tail two in the multiple barrier blocks (112) being intervally arranged It is both provided with limiting slot (113)；

Lock tongue (20), including lock tongue body (21) and the lock tongue control unit for being arranged on described lock tongue body (21) one end (22), the bottom of the lock tongue body (21) is provided with multiple support feets (211), and each support feet (211) is corresponding to be placed in often Between two barrier blocks (112), control-rod (222) is provided with the lock tongue control unit (22), promotes the control-rod (222) The lock tongue (20) can be driven to move back and forth；

Locking mechanism, including locking plate component, bolt (31) and elastic component, the locking plate component include locking plate (33) and with its transition The locking plate shaft (34) of cooperation, the locking plate (33) are fixed on the support base (111) by the locking plate shaft (34), institute State locking plate (33) it is provided circumferentially about it is multiple it is non-unlock recesses (331) and one unlock recess (332), the one of the bolt (31) Include multiple spaced limited blocks (311) and the bolt limited post positioned at the bolt (31) both ends on a side (312), the elastic component is corresponded to and is set on the bolt limited post (312), is set on another side of the bolt (31) Be equipped with the protrusion (313) identical with the limited block (311) quantity, each limited block (311) be located at each support feet (211) with Between each barrier blocks (112), the bolt limited post (312) is located in the limiting slot (113), and each locking plate (33) is appointed One non-unlock recess (331) is corresponding to be compressed to one raised (313)；

Rotating the locking plate shaft (34) drives the unlock recess (332) of locking plate (33) rotation to the locking plate (33) to compress To raised (313), the elastic component drives the limited block (311) of the bolt (31) from the barrier blocks (112) Exited between the support feet (211), promote the control-rod (222) to drive lock tongue (20) reach, the machinery is close Code lock unlock.
2. mechanical code lock as claimed in claim 1, it is characterised in that when the mechanical code lock is in the lock state, institute State two support feets of head and the tail that multiple limited blocks (311) on bolt (31) are all placed in the lock tongue body (21) (211) between.
3. mechanical code lock as claimed in claim 1, it is characterised in that the mechanical code lock includes at least one lock tongue (20), each lock tongue (20) coordinates with one or two described locking mechanisms.
4. mechanical code lock as claimed in claim 1, it is characterised in that the mechanical code lock further includes inner cover plate (50), The bar-shaped trough (51) for housing the lock tongue body (21) is provided with the inner cover plate (50) and supplies the locking plate shaft (34) the first perforation (52) passed through.
5. mechanical code lock as claimed in claim 1, it is characterised in that the mechanical code lock further includes turntable (40), institute Stating turntable (40) includes password figure disk (41) and the turntable shaft (42) being interlocked with the locking plate shaft (34).
6. mechanical code lock as claimed in claim 5, it is characterised in that the mechanical code lock further includes and the base (10) matched base cover plate (60), second passed through for the turntable shaft (42) is provided with the base cover plate (60) and is worn Hole (62).
7. mechanical code lock as claimed in claim 6, it is characterised in that the base (10) and the base cover plate (60) it Between be placed in formed with accommodating cavity, the locking mechanism in the accommodating cavity.
8. mechanical code lock as claimed in claim 6, it is characterised in that the base cover plate (60) and the password figure disk (41) a circle concave point (61) is provided with the one side being in contact, the password figure disk (41) connects with the base cover plate (60) Two grooves (411) point-blank are provided with tactile one side, steel ball, the steel are provided with the groove (411) Pearl exposes from the groove (411) and is engaged with the concave point (61).
9. mechanical code lock as claimed in claim 1, it is characterised in that two locks are provided with the lock tongue control unit (22) Tongue guide post (221), an elastic component is arranged with each lock tongue guide post (221), and the elastic component is compressed to the lock tongue control Between portion (22) and a side plate (12) of the base (10).
10. mechanical code lock as claimed in claim 1, it is characterised in that be provided with the locking plate (33) for the locking plate The centre bore (333) and the tool receptacle (334) communicated with the centre bore (333) that shaft (34) passes through, it is described by strutting Tool receptacle (334) can make the locking plate shaft (34) and the locking plate (33) clearance fit.