CN210714157U

CN210714157U - Three-lock two-unlocking lockset and equipment with lock

Info

Publication number: CN210714157U
Application number: CN201922501328.2U
Authority: CN
Inventors: 马铮; 吴志洪
Original assignee: Sgsg Science & Technology Co Ltd Zhuhai
Current assignee: Sgsg Science & Technology Co Ltd Zhuhai
Priority date: 2019-07-31
Filing date: 2019-12-31
Publication date: 2020-06-09
Anticipated expiration: 2029-12-31
Also published as: CN212295934U; CN210563818U; CN210714156U; CN211342156U

Abstract

The utility model discloses a two division of tool to lock of three locks and area lock equipment, the main objective realizes the smooth unblanking of two division of tool to lock of three locks. The utility model discloses a main technical scheme does: the three-lock two-unlocking lockset comprises a base, three locks, a linkage mechanism and a driving mechanism, wherein the driving mechanism is connected with the linkage mechanism; the three locks and the driving mechanism are respectively arranged on the base; the linkage mechanism is movably arranged on the base; the lock tongues of the three locks are respectively separated from the linkage mechanism and the driving mechanism; when any two of the three locks are unlocked, an unlocking position is formed, and the driving mechanism can drive the linkage mechanism to move to the unlocking position. The utility model discloses mainly used realizes unblanking smoothly of two division of tool to lock of three locks.

Description

Three-lock two-unlocking lockset and equipment with lock

Technical Field

The utility model relates to a tool to lock technical field particularly, relates to a two division of tool to lock of three locks and area lock equipment.

Background

The lockset, especially the multi-lock multi-unlocking lockset, has higher anti-theft performance and is widely applied to the field of safes and the like.

At present, the lock bolt of the lock in the lock is connected with the transmission system thereof, and the lock bolt applies unlocking force to the transmission system to drive the transmission system to move towards the unlocking direction so as to realize unlocking. However, in an era of increasingly widespread electronic locks, if a lock in the lock is replaced with an electronic lock, the motor power of the electronic lock is generally low, so that the force of unlocking the lock by driving the whole set of transmission system by the lock tongue is insufficient, and unlocking cannot be realized.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a two division of locksets of three locks and area lock equipment, the main objective realizes the smooth unblanking of two division of locksets of three locks.

In order to achieve the above object, the utility model mainly provides the following technical scheme:

on one hand, the embodiment of the utility model provides a three lock two-open lock, including base, three lock, link gear and actuating mechanism, the actuating mechanism is connected with the link gear;

the three locks and the driving mechanism are respectively arranged on the base; the linkage mechanism is movably arranged on the base;

the lock tongues of the three locks are respectively separated from the linkage mechanism and the driving mechanism;

when any two of the three locks are unlocked, an unlocking position is formed, and the driving mechanism can drive the linkage mechanism to move to the unlocking position.

Furthermore, when any two of the three locks are unlocked, the unlocking positions can be respectively formed at the original bolt positions;

the linkage mechanism comprises a driving plate and three blocking pieces connected with the driving plate, the driving plate and the three blocking pieces are respectively and movably arranged on the base, and the driving plate is connected with the bolt plate;

when any two locks in the three locks are unlocked, the driving mechanism can drive the two blocking pieces in the three blocking pieces to respectively move to the unlocking positions of the two locks in the unlocking state.

Further, the linkage mechanism further comprises a first connecting rod and a second connecting rod;

the middle part of the first connecting rod is provided with a first inflection point, and the first connecting rod is hinged with the driving plate through the first inflection point;

the middle part of the second connecting rod is provided with a second inflection point, and the second connecting rod is hinged with one end of the first connecting rod through the second inflection point;

one end of one of the three blocking pieces is hinged with a limiting hole arranged at the other end of the first connecting rod, and one ends of the other two blocking pieces are hinged with limiting holes arranged at two ends of the second connecting rod respectively.

Furthermore, a side wing extending outwards is arranged on one side of the stopper, and the height of the side wing is higher than the height of the bottom surface of the lock tongue of the lock;

when any one of the three locks is locked, the side wing of one of the three blocking pieces can be abutted against the bolt of the lock in the locking state and fixed.

Further, this three locks two division locksets still includes:

pressing a sheet and a pin shaft;

the pressing sheet is connected to the base through the pin shaft and is opposite to the lock tongue of the lock;

the blocking piece is sleeved on the pin shaft through an oblong hole arranged on the blocking piece, the oblong hole extends along the unlocking direction, and the blocking piece is positioned between the pressing piece and the base and can move relative to the pin shaft along the length direction of the blocking piece in the oblong hole.

Further, the driving mechanism comprises a door bolt plate, a first rotating shaft, a gear and a rack;

the door bolt plate is connected with the driving plate;

the rack is arranged on the door bolt plate and extends along the unlocking direction;

the gear and the first rotating shaft transmit torque, and the first rotating shaft is arranged on the door bolt plate;

the rack is meshed with the gear;

when the first rotating shaft is rotated, the rack drives the door bolt plate to move along the unlocking direction.

Furthermore, two opposite guide long round holes inclined in the length direction are formed in the driving plate;

the three-lock two-unlocking lockset also comprises two groups of protection assemblies, and each protection assembly comprises a limiting moving part and a limiting block;

one end of the limiting moving part is hinged to the door bolt plate, and the other end of the limiting moving part is hinged to the inside of the long guide circular hole;

the limiting block is arranged on the base and provided with a limiting bulge;

one tail end of the guide long circular hole corresponds to the limiting surface of the limiting protrusion, and the other tail end of the guide long circular hole is outwards far away from the limiting surface.

Furthermore, the limiting block comprises a limiting fixed piece, a pin body, an elastic piece and a plugging piece;

the limiting fixed piece is provided with a first through hole, and the plugging piece is provided with a second through hole;

the plugging piece is plugged at one end of the first through hole;

one end of the pin body penetrates through one end of the first through hole, the other end of the pin body penetrates through the second through hole, and the elastic piece is blocked in the first through hole by the blocking piece;

the pin body contacts and supports the limiting moving part.

Furthermore, an inward first annular shoulder is arranged at the top of the first through hole, and an outward second annular shoulder is arranged on the pin body;

the inner diameter of the first annular shoulder is equal to the inner diameter of the second through hole, such as the diameter of the pin body;

the outer diameter of the elastic piece is equal to the inner diameter of the first through hole.

On the other hand, the embodiment of the utility model provides a still provide a locking equipment, including aforementioned three locks two division of lock.

Borrow by above-mentioned technical scheme, the utility model discloses following beneficial effect has at least:

the embodiment of the utility model provides a technical scheme, three lock and actuating mechanism set up respectively in the base, and the link gear is movably to be set up in the base, and is connected with actuating mechanism, and the spring bolt of three lock separates with link gear and actuating mechanism respectively to the realization is unblanked when two arbitrary locks in the three lock, when forming the position of unblanking, actuating mechanism can drive the link gear and remove to the position of unblanking and realize unblanking.

Compared with the prior art, the embodiment of the utility model provides a two tool to lock of three locks, the spring bolt of three lock separately sets up with link gear and actuating mechanism respectively, rather than linking together with the two, and exert the power of unblanking to link gear by actuating mechanism, make link gear remove to the position of unblanking of lock and realize unblanking, thereby make the direction of unblanking of this tool to lock be from drive end to lock end, rather than from lock end to drive end, the problem that the replacement can't be unblanked for the electronic lock among the prior art has not only been solved to the mode of unblanking that forms like this, can also make the structure of tool to lock simpler, it is more convenient to unblank, and the cost is reduced. Furthermore, the embodiment of the utility model provides a two locksets of three locks can also realize normally unblanking when a lock in the three lock became invalid, and need not to adopt the relevant structure of destroying the tool to lock to carry out abnormal unblanking, and it is more convenient to use.

Drawings

Fig. 1 is a schematic perspective view of a typical example of a three-lock two-way lock according to an embodiment of the present invention, wherein a first lock, a second lock, and a third lock are all in a lock position;

fig. 2 is a schematic plan view of a typical direction of a three-lock two-way lock according to an embodiment of the present invention, in which a driving plate is detached, and a first lock, a second lock, and a third lock are all located at a lock position;

fig. 3 is a schematic plan view of a typical direction of a three-lock two-way lock according to an embodiment of the present invention;

fig. 4 is a schematic plan view of a bolt plate and typical directions of components connected to the bolt plate, which are applied to a three-lock two-way lock according to an embodiment of the present invention;

fig. 5 is a schematic plan view of a keeper plate and further exemplary directions of components connected to the keeper plate, which are applied to a three-lock two-open lock according to an embodiment of the present invention;

FIG. 6 is a left side view of FIG. 2;

FIG. 7 is a right side view of FIG. 2;

fig. 8 is a schematic perspective view of a typical direction of a driving plate applied to a three-lock two-way lock according to an embodiment of the present invention;

fig. 9 is a schematic perspective view of any one of the first lock, the second lock and the third lock applied to the three-lock two-way lock according to the embodiment of the present invention;

fig. 10 is a schematic perspective view of any one of the first stopper, the second stopper and the third stopper applied to the three-lock two-way lock according to the embodiment of the present invention;

fig. 11 is an exploded view of a first stopper and a second stopper applied to a three-lock two-way lock according to an embodiment of the present invention;

fig. 12 is an assembly view of the third-lock second-open lock according to the embodiment of the present invention, in which any one of the first stopper and the second stopper is applied;

FIG. 13 is a sectional view taken along line A-A of FIG. 12;

fig. 14 is a plan view of a typical orientation of a first lock and a second lock in a three-lock two-way lock according to an embodiment of the present invention in an unlocked position;

fig. 15 is a schematic structural view of a protection assembly applied to a three-lock two-way lock according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the drawings in the preferred embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

In the description of the present embodiment, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the scope of the present embodiment.

As shown in fig. 1 to 14, an embodiment of the present invention provides a three-lock two-way lock, which includes a base 1, three locks 4, a linkage mechanism and a driving mechanism, wherein the driving mechanism is connected to the linkage mechanism; the three locks 4 and the driving mechanism are respectively arranged on the base 1; the linkage mechanism is movably arranged on the base 1; the lock tongues of the three locks 4 are respectively separated from the linkage mechanism and the driving mechanism; when any two locks 4 in the three locks 4 are unlocked, an unlocking position is formed, and the driving mechanism can drive the linkage mechanism to move to the unlocking position. Referring to fig. 9, a locking tongue 30 is disposed on the lock 4, and a sliding pair is formed between the locking tongue 30 and a locking tongue groove of the lock 4, so that after the locking tongue 30 retracts into the locking tongue groove, the lock 4 is in an unlocked position, i.e., in an unlocked state; when the latch tongue 30 is extended from the latch tongue groove, the lock 4 is in the locked position, i.e., in the latched state.

The embodiment of the utility model provides a two tool to lock of three locks, three lock and actuating mechanism set up respectively in the base, and the link gear is movably to be set up in the base, and is connected with actuating mechanism, and the spring bolt of three lock separates with link gear and actuating mechanism respectively to the realization is unblanked when two arbitrary locks in three locks, when forming the position of unblanking, actuating mechanism can drive the link gear and remove to the position of unblanking and realize unblanking.

In order to make the structure of the three-lock two-way lock simpler and reduce the cost, in some examples, when any two locks 4 in the three locks 4 are unlocked, the unlocking positions can be respectively formed at the original bolt positions; the linkage mechanism can comprise a driving plate 2 and three stoppers 5 connected with the driving plate 2, the driving plate 2 and the three stoppers 5 can be respectively and movably arranged on the base 1, and the driving plate 2 is connected with the door bolt plate 3; when any two locks 4 in the three locks 4 are unlocked, the driving mechanism can drive two blocking pieces 5 in the three blocking pieces 5 to respectively move to the unlocking positions of the two locks 4 in the unlocking state.

In some examples, the linkage mechanism may further include a first link 9 and a second link 10, the first link 9 has a first inflection point α at a middle portion thereof, the first link 9 is hinged to the driving plate 2 by a first inflection point α, the second link 10 has a second inflection point β at a middle portion thereof, the second link 10 is hinged to one end of the first link 9 by a second inflection point β, and the first inflection point α may be disposed near one end of the first link 9 where the second link 10 is hinged and far from the other end, one end of one of the three stoppers 5 is hinged to a stopper hole disposed at the other end of the first link 9, and one ends of the other two stoppers 5 are respectively hinged to stopper holes disposed at both ends of the second link 10.

In the above embodiment, the three-lock two-unlocking lock includes a base 1, a driving plate 2, a first lock 4a, a second lock 4b, a third lock 4c, a first stopper 5a, a second stopper 5b, a third stopper 5c, a first connecting rod 9 and a second connecting rod 10. The first lock 4a, the second lock 4b and the third lock 4c are fixedly connected to the base 1 along a set direction, and the first lock 4a, the second lock 4b and the third lock 4c can be arranged side by side in the same direction, so that a first gap is formed between the first lock 4a and the second lock 4b, a second gap is formed between the second lock 4b and the third lock 4c, and a third gap is formed between the third lock 4c and one edge of the base 1. On the base 1, a first long round hole 41a is formed in the first gap, a second long round hole 41b is formed in the first gap, and a third long round hole 41c is formed in the third gap, so that the length directions of the first long round hole 41a, the second long round hole 41b and the third long round hole 41c are in a set direction. When the first lock 4a is in the unlocking position, the first blocking piece 5a and the first long round hole 41a form a moving pair along the set direction; when the second lock 4b is in the unlocking position, the second stopper 5b and the second long round hole 41b form a moving pair along the set direction; when the third lock 4c is in the unlocked position, the third catch 5c and the third oblong hole 41c constitute a moving pair in the set direction. One end 9c of the first connecting rod 9 is hinged to the first stopper 5a and the first oblong hole 41a simultaneously through the first limit oblong hole 11; the middle part of the first connecting rod 9 is hinged with the driving plate 2; the other end 9d of the first connecting rod 9 is hinged to the middle part of the second connecting rod 10; one end 10c of the second connecting rod 10 is hinged to the second stopper 5a and the second long circular hole 41b through the second limit long circular hole 13; the other end 10d of the second connecting rod 10 is hinged to both the third stopper 5c and the third oblong hole 41c through the third limit oblong hole 16. The driving plate 2 and the base 1 form a moving pair along a set direction. In practice, the first limiting long round hole 11, the second limiting long round hole 13 and/or the third limiting long round hole 16 can be replaced by a round hole or a long hole with a larger diameter, but the difference is that when a round hole with a slightly larger diameter is used, the limiting effect is unstable, the limitation on the free end of the connecting rod is easy to deviate, in some cases, a limit error may be caused, for example, in order to provide a sufficient movement space in the longitudinal direction, a circular hole having a slightly larger diameter needs to have a width direction equal to the length in the longitudinal direction, but, at this time, because the length of the connecting rod mechanism in the width direction is larger than the necessary width, the diameter of the pin head of the hinge pin shaft at the free end of the connecting rod mechanism is required to be larger, and moreover, when the link mechanism drives, the driving plate 2 is required to provide larger driving displacement due to insufficient thrust of the diameter edge of the limiting hole. If the limiting hole is designed to be a long hole, when the hinge pin shaft at the free end of the connecting rod mechanism moves to the end point of the long hole, the contact area between the hinge pin shaft at the free end of the connecting rod mechanism and the edge of the long hole is small, and although the problem that the driving plate 2 needs to provide larger driving displacement cannot be caused, the transition of the hinge pin shaft at the end point of the long hole is not stable enough, and the use comfort of an operator is easily reduced. Therefore, the limiting holes of the present embodiment preferably include a first limiting oblong hole 11, a second limiting oblong hole 13 and a third limiting oblong hole 16, respectively. In this case, the three-lock two-open lock provided by the embodiment has three kinds of three-lock two-open situations. Wherein:

in the first situation, the first lock 4a, the second lock 4b are in the unlocked position, and the third lock 4c is in the locked position, as shown in fig. 14, since the first link 9 is hinged to the driving plate 2 by the inflection point α thereof, at this time, when the driving plate 2 is subjected to a horizontal leftward force, the hinge pin 15 is also moved leftward, in this case, the first link 9, while following the movement of the driving plate 2 leftward, also rotates counterclockwise around the hinge pin 15 as a rotation center, during this counterclockwise rotation, the hinge pin 18 rotates counterclockwise while being shifted downward, at this time, the first limit oblong hole 11 provides a movable space for the first end 9c of the first link 9 to rotate counterclockwise, the second limit oblong hole 13 provides a movable space for the first end 10c of the second link 10 to rotate counterclockwise and shift downward, the third limit oblong hole 16 provides a movable space for the second link 10d to rotate counterclockwise and shift downward, at this time, since the third lock 4c is in the locked position, the hinge pin 17 cannot move leftward finally, so that the first pin 5a and the second stopper 5b can move leftward.

In the second situation, the second lock 4b and the third lock 4c are in the unlocked position, the first lock 4a is in the locked position, since the first link 9 is hinged to the driving plate 2 through the inflection point α, at this time, when the driving plate 2 is subjected to a horizontal leftward force, the hinge pin 15 also moves leftward, in this case, since the first lock 4a is in the locked position, the hinge pin 12 cannot move leftward, the first link 9 rotates around the hinge pin 15, and simultaneously drives the hinge pin 18 to rotate clockwise, and the hinge pin 18 also simultaneously shifts upward, at this time, the first limit oblong hole 11 provides a clockwise rotation space for the first end 9c of the first link 9, the second limit oblong hole 13 provides a clockwise rotation space and an upward shift space for the first end 10c of the second link 10, and the third limit oblong hole 16 provides a clockwise rotation space and an upward shift space for the second link 10d, and finally, the second stopper 5b and the second stopper 5c move leftward to achieve unlocking.

In the third situation, the first lock 4a, the third lock 4c are in the unlocked position, the second lock 4b is in the locked position, since the first link 9 is hinged to the driving plate 2 through the inflection point α, at this time, when the driving plate 2 is subjected to a horizontal leftward force, the hinge pin 15 moves leftward, in this case, since the second lock 4b is in the locked position, that is, the hinge pin 14 cannot move leftward, at this time, the first link 9 translates leftward, so that the hinge pin 18 moves leftward therewith, at this time, in order to balance the leftward movement of the hinge pin 18, the second link 10 rotates clockwise with the hinge pin 18 as a rotation center, the second limit oblong hole 13 provides a clearance for the clockwise rotation of the first end 10c of the second link 10, the third limit oblong hole 16 provides a clearance for the clockwise rotation of the second end 10d of the second link 10, and finally, the first stopper 5a and the third stopper 5c move leftward to achieve unlocking.

In some examples, one side of the stop 5 may be provided with an outwardly extending flank 6, the flank 6 having a height higher than the tongue underside of the lock 4; when any one of the three locks 4 is locked, the side wing 6 of one of the three stoppers 5 can be abutted against the bolt of the lock 4 in the locked state and fixed. In this embodiment, the first catch 5a is provided with a first side wing 6a in a direction close to the first latch tongue 30a, and the height of the first side wing 6a is higher than the height of the bottom surface of the first latch tongue 30, so that when the first lock 4a is in the locked position, the first side wing 6a abuts against the first latch tongue 30 a. A second side wing 6b is arranged on the second blocking piece 5b in the direction close to the second bolt 30b, and the height of the second side wing 6b is higher than the height of the bottom surface of the second bolt 30, so that when the second lock 4b is in the locking position, the second side wing 6b is abutted against the second bolt 30 b. A third side wing 6c is arranged on the third stopper 5c in the direction close to the third lock tongue 30c, and the height of the third side wing 6c is higher than the bottom surface of the third lock tongue 30, so that when the third lock 4c is in the locking position, the third side wing 6c abuts against the third lock tongue 30 c. Under this condition, when the spring bolt of lock 4 is in the lock location, receive the restriction of the bottom surface height of spring bolt 30, keep off flank 6 of piece 5 and can't remove left to can't realize the utility model discloses the unblanking of three locks two division locksets that the embodiment provided. In addition, when the spring bolt of lock 4 was in the position of unblanking, flank 6 can place in the below of spring bolt to can support and block the spring bolt, prevent that lock 4 from taking place automatic lock that falls.

In some examples, the three-lock two-open lock may further include a pressing plate 7 and a pin; the pressing sheet 7 is connected to the base 1 through a pin shaft and is opposite to a bolt of the lock 4; the blocking piece 5 is sleeved on the pin shaft through an oblong hole arranged on the blocking piece 5, the oblong hole extends along the unlocking direction, and the blocking piece 5 is positioned between the pressing piece 7 and the base 1) and can move relative to the pin shaft along the length direction in the oblong hole. In this embodiment, the pressing plate 7 includes a first pressing plate 7a, a second pressing plate 7b, and a third pressing plate 7c, and the pin includes a first pin, a second pin, and a third pin. The first stopper 5a is provided with a seventh oblong hole 8a along the set direction, the second stopper 5b is provided with an eighth oblong hole 8b along the set direction, and the third stopper 5c is provided with a ninth oblong hole 8c along the set direction. The first pressing piece 7a is fixedly connected to the base 1 through a first pin shaft, the first pressing piece 7a is fixedly connected to the base 1 and located in the first gap, the radial size of the first pressing piece 7a is larger than that of the seventh long circular hole 8a, and the first blocking piece 5a is locked on the first pin shaft through the seventh long circular hole 8a in a sleeved mode, so that the first blocking piece 5a is located between the first pressing piece 7a and the base 1. The second pressing piece 7b is fixedly connected to the base 1 through a second pin shaft, the second pressing piece 7b is fixedly connected to the base 1 and located in the first gap, the radial size of the second pressing piece 7b is larger than that of the eighth long circular hole 8b, and the second blocking piece 5b is locked on the second pin shaft through the eighth long circular hole 8b in a sleeved mode, so that the second blocking piece 5b is located between the second pressing piece 7b and the base 1. The third pressing piece 7c is fixedly connected to the base through a third pin shaft, the third pressing piece 7c is fixedly connected to the base 1 and located in a third gap, the radial size of the third pressing piece 7c is larger than that of the ninth long circular hole 8c, and the third blocking piece 5c is sleeved and locked on the third pin shaft through the ninth long circular hole 8c, so that the third blocking piece 5c is located between the third pressing piece 7c and the base 1. In this case, the first pressing piece 7a is provided to prevent the first stopper 5a from being lifted up from the base 1, the second pressing piece 7b is provided to prevent the second stopper 5b from being lifted up from the base 1, and the third pressing piece 7c is provided to prevent the third stopper 5c from being lifted up from the base 1. In addition, in order to avoid the rotation of the first pressing plate 7a relative to the first stopper 5a, the number of the first pin shafts is 2; in order to avoid the rotation of the second pressing sheet 7b relative to the second stopper 5b, the number of the second pin shafts is 2; in order to avoid the third presser 7c from rotating relative to the third stopper 5c, the third pin comprises two pins.

In some examples, the three-lock two-open lock may further include a fourth pressing plate 19, a fourth pin, and a fifth pin. The driving plate 2 is provided with a tenth oblong hole 20 and an eleventh oblong hole 25 along a set direction. The fourth pressing piece 19 is fixedly connected to the base 1 through a fourth pin. The fourth pressing plate 19 is fixedly connected to the base 1, the radial dimension of the fourth pressing plate 19 is larger than that of the tenth slotted hole 20, and the driving plate 2 is locked on the fourth pin shaft through the tenth slotted hole 20, so that the driving plate 2 is located between the fourth pressing plate 19 and the base 1. The fifth pin shaft penetrates through the eleventh long round hole 25. In this case, the tenth oblong hole 20 and the 11 th oblong hole 25 can be arranged so as to guide the driving plate 2 when subjected to a force in the first direction, thereby avoiding the driving plate 2 from deflecting during the forced movement.

In some examples, the drive mechanism may include the keeper plate 3, the first shaft 52, the gear 29, and the rack 28; the door bolt plate 3 is connected with the driving plate 2; the rack 28 is arranged on the door bolt plate 3 and extends along the unlocking direction; the gear 29 and the first rotating shaft 52 transmit torque, and the first rotating shaft 52 is arranged on the door bolt plate 3; the rack 28 is meshed with the gear 29; when the first rotating shaft 52 is rotated, the rack 28 drives the latch plate 3 to move in the unlocking direction. In this case, the gear 29 and the rack 28 constitute a rack-and-pinion mechanism, and the characteristic is that the rotational power provided to the gear 29 can be converted into the linear motion of the rack 28 by means of the rack-and-pinion mechanism, at this time, since the plane of the rack 28 corresponds to the plane of the driving plate 2, when the gear 29 receives the rotational power of the counterclockwise rotation, the rack 28 engaged with the gear 29 can be forced to move to the left, and when the rack 28 moves to the left to contact the driving plate 2, the counterclockwise rotational force is continuously provided to the gear 29, and the rack 28 can be forced to the left.

In some examples, the three-lock two-open lock may further include a second rotating shaft 39, the diameter of the second rotating shaft 39 is larger than the diameter of the first rotating shaft 52, and the second rotating shaft 39 is fixedly connected to the first rotating shaft 52, so that there is no relative rotation between the first rotating shaft 52 and the second rotating shaft 39. Normally, the diameter of the first shaft 52 is relatively small, i.e. the moment arm is short, in order to accommodate the axial bore of the gear 29, in which case the rotational force to be applied to the first shaft is large for a given torque in order to enable the gear 29 to rotate. In the case of adding the second rotating shaft 39, since the diameter of the second rotating shaft 39 is larger than the diameter of the first rotating shaft 52, that is, the length of the moment arm is increased by the second rotating shaft 52, at this time, under the condition of a certain moment, the acting force required to be applied to the second rotating shaft 39 is smaller, in other words, the required unlocking acting force is smaller. Furthermore, the embodiment of the utility model provides a two division of locksets of three locks still includes a plurality of connection handles 40, and connection handles 40 radially set up in the circumference of second pivot 39. Since the second rotating shaft 39 has a cylindrical shape, a slip phenomenon is easily generated on the side wall of the second rotating shaft 39 in the process of applying the rotation torque to the second rotating shaft 39, and the slip phenomenon in the process of applying the rotation torque to the second rotating shaft 39 can be reduced by providing the connection handle 40, so that the application of the rotation torque is facilitated.

In some examples, the driving plate 2 is provided with two guide oblong holes 21 which are opposite and inclined in the length direction; the three-lock two-unlocking lock can also comprise two groups of protection components, and the protection components can comprise a limiting moving part 34 and a limiting block 31; one end of the limiting moving part 34 is hinged to the door bolt plate 3, and the other end of the limiting moving part 34 is hinged to the inside of the guide long circular hole 21; the limiting block 31 is arranged on the base 1, and a limiting bulge 32 is arranged on the limiting block; one end of the guide oblong hole 21 corresponds to the stopper surface 33 of the stopper protrusion 32, and the other end of the guide oblong hole 21 is outwardly away from the stopper surface 33.

In the above embodiment, the three-lock two-open lock further includes a first limiting member 34a, a first limiting block 31a, a first moving pin 37a, and a second limiting member 34b, wherein the first limiting member 34a and the second limiting member 34b are symmetrically disposed, and the first limiting block 31a and the second limiting member 31b are symmetrically disposed. The driving plate 2 is provided with a first guide oblong hole 21 and a second guide oblong hole 23. One end of the first limiting moving part 34a is hinged to the door bolt plate 3, and the other end of the first limiting moving part 34a is hinged to the first guide long circular hole 21; one end of the second limiting moving part 34b is hinged to the door bolt plate 3, and the other end of the second limiting moving part 34b is hinged to the second guide long circular hole 23. The first stopper 31a is provided with a first stopper protrusion 32a, and the second stopper 31b is provided with a second stopper protrusion 32 b. The length direction of the first guide oblong hole 21 is inclined so that one end of the first guide oblong hole 21 corresponds to the first stopper surface 33a of the first stopper protrusion 32a and the other end of the first guide oblong hole 21 is outwardly away from the first stopper surface 33 a; the second guide oblong hole 21 is inclined in the longitudinal direction such that one end of the second guide oblong hole 21b corresponds to the second stopper surface 33b of the second stopper projection 32b and the other end of the second guide oblong hole 21b is outwardly away from the second stopper surface 33 b. Taking the direction of fig. 15 as an example, once the leftward acting force applied to the bolt plate 3 exceeds the limit value, the hinge pin 36 is limited in the direction of the guide oblong hole 21, so that the stopper 34 rotates counterclockwise around the hinge pin 36 during the leftward movement, and when the stopper 34 moves to one end of the guide oblong hole 21, since the one end corresponds to the stopper surface 33 of the stopper protrusion 32, and the fixed point of the stopper 34 touches the stopper surface 33, the bolt plate 3 is prevented from moving leftward under the leftward acting force exceeding the limit value due to the limiting action of the stopper surface 33, thereby playing a role in protection.

In some examples, the stopper 31 may include a stopper fixing member 56, a pin body 37, an elastic member 47, and a blocking member 48; the limiting fixed part 56 is provided with a first through hole 57, and the plugging piece 48 is provided with a second through hole 49;

the plugging piece 48 plugs one end of the first through hole 57; one end of the pin body 37 penetrates through one end of the first through hole 57, the other end of the pin body 37 penetrates through the second through hole 49, and the elastic piece 47 is blocked in the first through hole 57 by the blocking piece 48; the pin body 37 contacts and supports the limit stop 34. Under normal conditions, due to the limiting action of the elastic element 47, the pin body 37 is in a floating state to support the stopper 34, so that the stopper 34 can be prevented from accidentally sliding down to one end of the guide slotted hole 21 to prevent the left movement of the door bolt plate 3 under the condition that no force exceeding the limiting value is received. When the force exceeding the limit value is applied, in the process that the stopper 34 moves leftward, the stopper 34 also rotates counterclockwise around the hinge pin 36 as a rotation center, that is, the pin body 37 is pressed downward, and the elastic member 47 is in a pressed state, and thereafter, once the force exceeding the limit value is released, the stopper 34 can be easily restored by the stiffness force of the elastic member 47. In this embodiment, the elastic member 47 is a cylindrical spring. In this embodiment, the contact point 38 between the pin body 37 and the stopper 34 is a hemisphere. In this case, the isotropic nature of the contacts 38 can be used to reduce wear at the contacts 38, thereby improving the service life of the pin body 37. In addition, as illustrated in fig. 15, the left contact surface of the stopper 34 is inclined from the vertex 35 to the upper right, and in this case, even if the vertex of the stopper 34 has contacted the stopper surface 33, the left force applied to the keeper plate 3 is still increased, and since the left contact surface of the stopper 34 is inclined from the vertex 35 to the upper right, it can continue to rotate counterclockwise by a small angle with the hinge pin 36 as the rotation center, thereby playing a role of buffering and improving the service life of the stopper 34.

In some examples, the top of the first through hole 57 may be provided with an inward first annular shoulder 46, and the pin body 37 with an outward second annular shoulder 51; the inner diameter of the first annular shoulder 51 is equal to the diameter of the pin body 37 and the inner diameter of the second through hole 49; the outer diameter of the elastic member 47 is equal to the inner diameter of the first through hole 57. It should be noted that the term "equal" is understood to be adapted so that the first annular shoulder 46, the pin body 37 and the second through hole 49 can be reliably assembled, and the elastic member 47 and the first through hole 57 can be reliably assembled. With such a configuration, the pin body 37 can always move linearly without being deflected by being restricted by the inner diameter of the first annular shoulder 46, the diameter of the pin body 37, and the inner diameter of the second through hole 49 during the axial movement of the pin body 37 in the first through hole 57, and the phenomenon of difficulty in return due to the deflection during the movement of the pin body 37 can be avoided.

The embodiment of the utility model provides a still provide a locking equipment, it includes foretell two locksets of three locks.

The embodiment of the utility model provides a take lock equipment, including two tool to lock of three locks, three lock and actuating mechanism in this tool to lock set up respectively in the base, and the link gear is movably to be set up in the base, and is connected with actuating mechanism, and the spring bolt of three lock separates with link gear and actuating mechanism respectively to the realization is unblanked when two arbitrary locks in the three lock, when forming the position of unblanking, actuating mechanism can drive the link gear and remove to the position of unblanking and realize unblanking.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention 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 technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The three-lock two-unlocking lockset is characterized by comprising a base (1), three locks (4), a linkage mechanism and a driving mechanism, wherein the driving mechanism is connected with the linkage mechanism;

the three locks (4) and the driving mechanism are respectively arranged on the base (1); the linkage mechanism is movably arranged on the base (1);

the lock tongues of the three locks (4) are respectively separated from the linkage mechanism and the driving mechanism;

when any two locks (4) in the three locks (4) are unlocked, an unlocking position is formed, and the driving mechanism can drive the linkage mechanism to move to the unlocking position.

2. The three-lock two-open lock according to claim 1,

when any two locks (4) in the three locks (4) are unlocked, the unlocking positions can be respectively formed at the original bolt positions;

the linkage mechanism comprises a driving plate (2) and three blocking pieces (5) connected with the driving plate (2), the driving plate (2) and the three blocking pieces (5) are respectively and movably arranged on the base (1), and the driving plate (2) is connected with the bolt plate (3);

when any two locks (4) in the three locks (4) are unlocked, the driving mechanism can drive two blocking pieces (5) in the three blocking pieces (5) to respectively move to the unlocking positions of the two locks (4) in the unlocking state.

3. The three-lock two-open lock according to claim 2,

the linkage mechanism further comprises a first connecting rod (9) and a second connecting rod (10);

the middle of the first link (9) has a first inflection point (α), and the first link (9) is hinged with the drive plate (2) through the first inflection point (α);

the middle part of the second connecting rod (10) is provided with a second inflection point (β), and the second connecting rod (10) is hinged with one end of the first connecting rod (9) through the second inflection point (β);

one end of one blocking piece (5) of the three blocking pieces (5) is hinged with a limiting hole arranged at the other end of the first connecting rod (9), and one ends of the other two blocking pieces (5) are hinged with limiting holes arranged at two ends of the second connecting rod (10) respectively.

4. The three-lock two-open lock according to claim 2,

one side of the blocking piece (5) is provided with a side wing (6) extending outwards, and the height of the side wing (6) is higher than the height of the bottom surface of the lock tongue of the lock (4);

when any one lock (4) in the three locks (4) is locked, the side wing (6) of one blocking piece (5) in the three blocking pieces (5) can be abutted against the bolt of the lock (4) in the locked state and fixed.

5. The three-lock two-open lock according to claim 2, further comprising:

a pressing sheet (7) and a pin shaft;

the pressing sheet (7) is connected to the base (1) through the pin shaft and is opposite to a bolt of the lock (4);

the blocking piece (5) is sleeved on the pin shaft through an oblong hole arranged on the blocking piece, the oblong hole extends along the unlocking direction, and the blocking piece (5) is positioned between the pressing piece (7) and the base (1) and can move relative to the pin shaft along the length direction of the oblong hole.

6. The three-lock two-open lock according to claim 1,

the driving mechanism comprises a door bolt plate (3), a first rotating shaft (52), a gear (29) and a rack (28);

the door bolt plate (3) is connected with the driving plate (2);

the rack (28) is arranged on the bolt plate (3) and extends along the unlocking direction;

the gear (29) and the first rotating shaft (52) transmit torque, and the first rotating shaft (52) is arranged on the door bolt plate (3);

the rack (28) is meshed with the gear (29);

when the first rotating shaft (52) is rotated, the rack (28) drives the door bolt plate (3) to move along the unlocking direction.

7. The three-lock two-open lock according to claim 2,

two opposite guide long round holes (21) inclined in the length direction are formed in the driving plate (2);

the three-lock two-unlocking lockset also comprises two groups of protection components, and each protection component comprises a limiting moving part (34) and a limiting block (31);

one end of the limiting moving part (34) is hinged to the door bolt plate (3), and the other end of the limiting moving part (34) is hinged to the inside of the guide long circular hole (21);

the limiting block (31) is arranged on the base (1), and a limiting bulge (32) is arranged on the limiting block;

one tail end of the guide long circular hole (21) corresponds to a limiting surface (33) of the limiting protrusion (32), and the other tail end of the guide long circular hole (21) is outwards far away from the limiting surface (33).

8. The three-lock two-open lock according to claim 7,

the limiting block (31) comprises a limiting fixed piece (56), a pin body (37), an elastic piece (47) and a blocking piece (48);

a first through hole (57) is formed in the limiting fixed piece (56), and a second through hole (49) is formed in the plugging piece (48);

the plugging piece (48) is plugged at one end of the first through hole (57);

one end of the pin body (37) penetrates through one end of the first through hole (57), the other end of the pin body (37) penetrates through the second through hole (49), and the elastic piece (47) is blocked in the first through hole (57) by the blocking piece (48);

the pin body (37) contacts and supports the stopper (34).

9. The three-lock two-open lock according to claim 8,

the top of the first through hole (57) is provided with an inward first annular shoulder (46), and the pin body (37) is provided with an outward second annular shoulder (51);

the inner diameter of the first annular shoulder (51) is equal to the diameter of the pin body (37) and the inner diameter of the second through hole (49);

the outer diameter of the elastic member (47) is equal to the inner diameter of the first through hole (57).

10. A lock device, characterized in that it comprises a three-lock two-way lock according to any one of claims 1 to 9.