CN106988615B

CN106988615B - Spring puzzle lock

Info

Publication number: CN106988615B
Application number: CN201710380218.8A
Authority: CN
Inventors: 张梦良
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-05-25
Filing date: 2017-05-25
Publication date: 2022-08-09
Anticipated expiration: 2037-05-25
Also published as: CN106988615A

Abstract

The invention discloses a spring coded lock, which comprises a lock shell, a first spring, a second spring, a reset sheet and a spring key, wherein the first spring is arranged on the lock shell; the first springs are arranged along the inner and outer directions, the outer end of each first spring is connected with an adsorption part A, the outer end of each adsorption part A is connected with a cylinder, the side surface of each cylinder is connected with a barrier strip, and each barrier strip is positioned on different planes; the second spring is arranged along the inner and outer directions, the outer end of the second spring is connected with a separation blade, and the outer side of the separation blade is connected with a lock tongue; the reset sheet is connected to the inner sides of the first spring and the second spring, and a third spring is connected between the reset sheet and the lock shell; the spring keys are arranged along the front-back direction, an absorbing part B is correspondingly arranged close to each absorbing part A, each absorbing part B is correspondingly arranged on one spring key, and a compression spring supported between the spring keys and the lock shell is arranged at the front end of each spring key. The invention has simple structure, lower cost and higher safety performance.

Description

Spring puzzle lock

Technical Field

The invention relates to the technical field of locks, in particular to a spring coded lock.

Background

The lock is various, the traditional lock is generally opened by a key, the key is carried about, the condition that the key is forgotten or lost often occurs, and great troubles are caused to people. In order to solve the problem, a coded lock is generated, the existing coded lock is generally divided into an electronic coded lock and a mechanical coded lock, the electronic coded lock needs to be electrified, the code is easy to crack, the mechanical coded lock does not need to be electrified, the safety is relatively higher, and the existing mechanical coded lock has the defects of complex structure, high cost and easiness in damage.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the spring coded lock, so that the spring coded lock is simple in structure, lower in cost and higher in safety performance.

The invention provides a spring coded lock, which comprises a lock shell, a first spring, a second spring, a reset sheet and a spring key, wherein the first spring, the second spring, the reset sheet and the spring key are arranged in the lock shell; the first springs are arranged along the inner and outer directions, the first springs are distributed in a semicircular arc shape with the arc tops facing forwards, the outer end of each first spring is connected with an absorbing part A, the outer end of each absorbing part A is connected with a cylinder, the side surface of each cylinder is connected with a barrier strip, the free end of each barrier strip vertically extends to the axial lead of the arc surface where the first spring is located, each barrier strip is located on a different plane vertical to the axial lead, and the projections of the barrier strips in the inner and outer directions are crossed; the second spring is arranged close to the axial lead along the inner and outer directions, the outer end of the second spring is connected with a blocking piece, and the outer side of the blocking piece is connected with a lock tongue; the reset sheet is arranged on the inner sides of the first spring and the second spring, the outer side face of the reset sheet is vertically connected with the inner ends of the first spring and the second spring, and a third spring is connected between the inner side face of the reset sheet and the lock shell; the spring keys are arranged along the front-back direction, an adsorption piece B is correspondingly arranged close to each adsorption piece A, and the adsorption pieces A move towards the direction far away from the axis line through the attraction of the adsorption pieces B so as to separate the projections of the barrier strips in the inner-outer direction; each adsorption piece B is correspondingly arranged on one spring key, and the front end of each spring key is provided with a compression spring supported between the spring key and the lock shell.

When the spring coded lock is locked, the adsorption piece A and the adsorption piece B are adsorbed together, the first spring is in a stretching state and bends to the side far away from the axial lead, each barrier strip does not cross in the inner and outer directions, the barrier strip on the inner side does not block the barrier strip on the outer side, at the moment, the second spring is also in the stretching state, the spring bolt is blocked on the outer side of the barrier strip through the barrier strip, after one spring key is pressed down, the first spring corresponding to the spring key is further stretched, when the elastic restoring force of the first spring is greater than the attractive force between the adsorption piece A and the adsorption piece B, the adsorption piece A is separated from the adsorption piece B, the first spring retracts inwards, because in the original state, each barrier strip crosses in the inner and outer directions, if the spring key corresponding to the barrier strip on the inner side is pressed first, then the spring key corresponding to the barrier strip on the outer side is pressed, the barrier strip on the inner side returns first, the first springs can be changed from a stretching state to an original state, and when all the barrier strips are pulled back inwards, the second springs pull the lock tongue into the lock, so that the password unlocking is realized; if the sequence of the spring keys is wrong, the barrier strips on the opposite outer sides return first, the barrier strips returning first can block the barrier strips on the opposite inner sides to return, the barrier strips cannot be all pulled back inwards, and the lock tongue cannot be pulled into the lock by the second spring due to the blocking of the barrier strips, so that the lock cannot be unlocked; when locking or according to wrong password, need to promote the piece that resets to the outside and reset, the piece that resets moves to the outside, promotes to adsorb piece A and the outside motion of spring bolt, and when adsorbing piece A and being close to adsorbing piece B, annex A is adsorbed on adsorbing piece B, and after releasing the piece that resets, the piece that resets under the pulling of third spring, and the spring bolt is blockked in the outside of blend stop to make this spring trick lock pin be in the lock state. By adopting the scheme, the spring coded lock can be unlocked by a password without carrying a key, is convenient to unlock, has a simple structure and low cost, is difficult to crack and copy, and has high safety performance.

Furthermore, the adsorption piece A is an iron block, and the adsorption piece B is a magnetic block.

Furthermore, a baffle is arranged between the adsorption piece A and the adsorption piece B, and the baffle is fixed on the lock shell. A baffle is arranged between the adsorption piece A and the adsorption piece B, so that the phenomenon that the side bending of the spring is excessively damaged due to overlarge attraction force between the magnetic block and the iron block is avoided.

Further, the inboard of piece that resets is provided with the limiting plate, the limiting plate supports between the medial surface and the lock shell of the piece that resets. The piece that resets is taut on the limiting plate through the third spring, and the structure is more stable.

Furthermore, a plurality of jacks are distributed at intervals along the inner and outer directions on the side surface of the column body, and each barrier strip is inserted into the jacks at different positions on the corresponding column body, so that each barrier strip is positioned on different planes vertical to the axial lead. By adopting the scheme, the relative internal and external position relation between the barrier strips can be adjusted by adjusting the jack of each barrier strip on the corresponding column body, so that the password of the spring coded lock can be modified.

The invention has the beneficial effects that: the spring coded lock can realize coded unlocking, does not need to carry a key, is convenient to unlock, has a simple structure and low cost, is not easy to crack and copy, and has high safety performance.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings used in the detailed description or the prior art description will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of the present invention in a locked state;

FIG. 3 is a schematic structural view of the present invention in an open state;

FIG. 4 is a schematic view of the present invention showing the relatively inner barrier rib being blocked by the relatively inner barrier rib when a wrong combination is pressed.

In the drawings, 1 denotes a lock case; 2 denotes a first spring; 21 denotes an adsorbing member A; 22 denotes a cylinder; 221 denotes a jack; 23 denotes a bar; 3 denotes a second spring; 31 denotes a stopper; 32 denotes a latch bolt; 4 denotes a reset piece; 41 denotes a third spring; 42 denotes a limit plate; 5 denotes a spring button; 51 denotes a suction member B; 52 denotes a compression spring; and 53 denotes a baffle.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following embodiments are merely used to more clearly illustrate the technical solutions of the present embodiments, and therefore, the following embodiments are only used as examples, and the protection scope of the present embodiments is not limited thereby.

The embodiment of the invention provides a spring coded lock, which comprises a lock shell 1, and a first spring 2, a second spring 3, a reset sheet 4 and a spring button 5 which are arranged in the lock shell 1, as shown in fig. 1-4.

The first spring 2 is provided with a plurality of in the inside and outside direction, first spring 2 is the semicircle distribution that the arc top was forward, the outer end of every first spring 2 all is connected with an absorption piece A21, absorption piece A21 of this embodiment is the iron plate, the outer end of every absorption piece A21 all is connected with a cylinder 22, the side of every cylinder 22 all is connected with a blend stop 23, the axial lead of the arc surface that the free end of blend stop 23 is located to first spring 2 extends perpendicularly, and every blend stop 23 all is located the different planes of this axial lead of perpendicular to, the projection of every blend stop 23 in inside and outside direction is criss-cross, namely every blend stop 23 is non-intersect on the plane of perpendicular axial lead, but is intercrossing in inside and outside direction.

In the embodiment, a plurality of insertion holes 221 are distributed at intervals along the inner and outer directions on the side surface of the column 22, and each barrier strip 23 is inserted into the insertion holes 221 at different positions on the corresponding column 22, so that each barrier strip 23 is positioned on different planes perpendicular to the axial lead, and thus, the relative inner and outer position relationship between the barrier strips 23 can be adjusted by adjusting the insertion holes 221 of each barrier strip 23 on the corresponding column 22.

The second spring 3 is arranged close to the axial lead along the inner and outer directions, the outer end of the second spring 3 is connected with a baffle 31, the outer side of the baffle 31 is connected with a lock tongue 32, and the lock tongue 32 is blocked at the outer side of the barrier strip 23 through the baffle 31.

Reset plate 4 locates first spring 2 and second spring 3's inboard, reset plate 4's lateral surface and first spring 2 and second spring 3's inner are connected perpendicularly, reset plate 4's medial surface and lock shell 1 between be connected with third spring 41, reset plate 4's inboard is provided with limiting plate 42, limiting plate 42 supports between reset plate 4's medial surface and lock shell 1, outside promotion reset plate 4, then release one's hands, reset plate 4 is pulled back to limiting plate 42's rear end under third spring 41's effect, and support tightly on limiting plate 42, the structure is more stable.

The spring button 5 is arranged along the front-back direction, a suction piece B51 is correspondingly arranged close to each suction piece a21, the suction piece B51 of the embodiment is a magnetic block, the suction piece a21 moves towards the direction far away from the axis line through the suction of the suction piece B51, so that the projections of the barrier strips 23 in the inner-outer direction are separated, and at the moment, the barrier strips 23 do not intersect in the inner-outer direction. In order to prevent the excessive damage of the lateral bending of the spring caused by the overlarge attraction force between the magnetic block and the iron block, a baffle plate 53 is arranged between the adsorption piece A21 and the adsorption piece B51, and the baffle plate 53 is fixed on the lock shell 1. Each absorbing piece B51 is correspondingly arranged on one spring button 5, and the front end of each spring button 5 is provided with a compression spring 52 supported between the spring button 5 and the lock shell 1.

As shown in fig. 2, when the spring combination lock is locked, the absorbing piece a21 and the absorbing piece B51 are absorbed together, the first spring 2 is in a stretched state and is bent to the side in the direction away from the axis, the barrier strips 23 do not cross in the inner and outer directions, the barrier strip 23 on the inner side does not block the barrier strip 23 on the outer side, at this time, the second spring 3 is also in a stretched state, and the lock tongue 32 is blocked on the outer side of the barrier strip 23 by the blocking piece 31.

As shown in fig. 3, when one of the spring buttons 5 is pressed, the spring button 5 drives the absorption piece B51 to move forward, the first spring 2 corresponding to the spring button 5 is further extended, when the elastic restoring force of the first spring 2 is greater than the attractive force between the adsorption member B51 and the adsorption member a21, the adsorption member B51 is separated from the adsorption member a21, the first spring 2 is retracted inward, because the barrier strips 23 are crossed in the inner and outer directions in the original state, if the spring key 5 corresponding to the barrier strip 23 on the inner side is pressed first and then the spring key 5 corresponding to the barrier strip 23 on the outer side is pressed, the barrier strip 23 on the inner side returns first and the barrier strip 23 on the outer side returns later, each first spring 2 can be changed into the original state from the stretching state, when all the bars 23 are pulled back inwards, the second spring 3 also pulls the bolt 32 into the lock, so that the password unlocking is realized.

As shown in fig. 4, if the sequence of the spring keys 5 is wrong, the barrier 23 on the outer side returns first, the barrier 23 returning first blocks the barrier 23 on the inner side to return, the barrier 23 cannot be pulled back completely, and the lock tongue 32 cannot be pulled into the lock by the second spring 3 due to the blocking of the barrier 23, so that the lock cannot be unlocked.

When locking or pressing wrong password, need to push reset piece 4 outside and reset, reset piece 4 outside lateral movement, promote and adsorb a A21 and the outside lateral movement of spring bolt 32, when adsorbing a21 and being close to adsorbing B51, annex A is adsorbed on adsorbing B51, release reset piece 4 back, reset piece 4 resets under the pulling of third spring 41, spring bolt 32 is blockked in the outside of blend stop 23, thereby make this spring trick lock pin be in the lock state.

When the password needs to be changed, the lock shell 1 is opened, the insertion holes 221 of the barrier strips 23 inserted into the corresponding cylinder 22 are changed, and the relative internal and external position relation between the barrier strips 23 is adjusted, so that the password of the spring password lock can be modified.

In a word, the spring coded lock can realize coded unlocking, does not need to carry a key, is convenient to unlock, has a simple structure and low cost, is not easy to crack and copy, and has high safety performance.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solution of the present embodiment, and not for limiting the same; although the present embodiment has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not cause the essence of the corresponding technical solution to depart from the scope of the technical solutions of the embodiments of the present embodiment, and all of them should be covered in the claims and the specification of the present embodiment.

Claims

1. A spring coded lock is characterized in that:

the lock comprises a lock shell, a first spring, a second spring, a reset sheet and a spring button, wherein the first spring, the second spring, the reset sheet and the spring button are arranged in the lock shell;

the first springs are arranged in the inner and outer directions and distributed in a semicircular arc shape with the arc tops facing forwards, the outer end of each first spring is connected with an absorbing part A, the outer end of each absorbing part A is connected with a cylinder, the side surface of each cylinder is connected with a barrier strip, the free ends of the barrier strips vertically extend towards the axis of the arc surface where the first spring is located, each barrier strip is located on different planes vertical to the axis, and the projections of the barrier strips in the inner and outer directions are crossed;

the second spring is arranged close to the axial lead along the inner and outer directions, the outer end of the second spring is connected with a blocking piece, and the outer side of the blocking piece is connected with a lock tongue;

the reset sheet is arranged on the inner sides of the first spring and the second spring, the outer side face of the reset sheet is vertically connected with the inner ends of the first spring and the second spring, and a third spring is connected between the inner side face of the reset sheet and the lock shell;

the spring keys are arranged along the front-back direction, an adsorption piece B is correspondingly arranged close to each adsorption piece A, and the adsorption pieces A move towards the direction far away from the axis line through the attraction of the adsorption pieces B so as to separate the projections of the barrier strips in the inner-outer direction;

each adsorption piece B is correspondingly arranged on one spring key, and the front end of each spring key is provided with a compression spring supported between the spring key and the lock shell.

2. A spring combination lock according to claim 1, wherein: the adsorption piece A is an iron block, and the adsorption piece B is a magnetic block.

3. A spring combination lock according to claim 2, wherein: a baffle is arranged between the adsorption piece A and the adsorption piece B and fixed on the lock shell.

4. A spring combination lock according to claim 1, wherein: the inner side of the reset piece is provided with a limiting plate, and the limiting plate is supported between the inner side face of the reset piece and the lock shell.

5. A spring combination lock according to claim 1, wherein: the side of the column body is distributed with a plurality of jacks at intervals along the inner and outer directions, and each barrier strip is inserted into the jacks at different positions on the corresponding column body, so that each barrier strip is positioned on different planes vertical to the axial lead.