CN214996820U - Double-safety lock bolt device - Google Patents

Abstract

The utility model relates to a rational in infrastructure, the lower double insurance set bar device of cost. The double-safety lock bolt device comprises a shell, a motor and a first bolt head, and is characterized in that: the shell is internally provided with a first chute, the first bolt head is slidably arranged in the first chute, the shell is internally provided with a limiting chute which is vertical to the first chute, a limiting part is slidably arranged in the limiting chute, the rear end of the limiting part is provided with a reset spring which drives the limiting part to reset, the motor is connected with the limiting part in a transmission manner, a stirring part which is connected with the motor in a transmission manner is rotatably arranged in the shell, and the stirring part is connected with the first bolt head in a transmission manner through a transmission torsion spring. The double-safety lock bolt device realizes the first locking by driving the first bolt head to act through the motor, and simultaneously realizes the second locking through the second bolt head, and has the function of emergency unlocking.

Description

Double-safety lock bolt device

Technical Field

The utility model relates to a tool to lock, concretely relates to be applied to electronic set bar on safe.

Background

The general safe and safe includes double safety of cipher lock and mechanical lock, and the door may be opened only if the cipher lock and the mechanical lock are unlocked simultaneously. Generally, a mechanical lock is not easy to break down due to a mechanical structure, and a coded lock is easy to have problems due to a circuit part. In order to prevent the door from being opened due to the fault of the coded lock, an emergency mechanical lock for assisting the coded lock to be opened emergently is additionally arranged. Therefore, a total of two mechanical locks and a combination lock need to be arranged on a safe box or a safe cabinet, and the total cost is high.

Disclosure of Invention

In view of the defects existing in the prior art, the utility model discloses the innovation provides a rational in infrastructure, the lower double insurance set bar device of cost.

The double-safety lock bolt device comprises a shell, a motor and a first bolt head, and is characterized in that: the first bolt head is arranged in the first sliding groove in a sliding mode, the limiting sliding groove perpendicular to the first sliding groove is arranged in the shell, a limiting part is arranged in the limiting sliding groove in a sliding mode, a reset spring for driving the limiting part to reset is arranged at the rear end of the limiting part, the motor is in transmission connection with the limiting part, a stirring part in transmission connection with the motor is rotatably arranged in the shell, and the stirring part is in transmission connection with the first bolt head through the transmission torsion spring; the novel bolt head is characterized in that a bolt head seat is arranged in the shell, a second sliding groove parallel to the first sliding groove is formed in the bolt head seat, a second bolt head is slidably arranged in the second sliding groove and provided with an unlocking portion and a pushing portion, the front end of the limiting piece is provided with an unlocking inclined surface, the unlocking portion is provided with a pushing inclined surface which acts on the unlocking inclined surface and drives the limiting piece to move, the pushing portion can push the first bolt head to move, a secondary lock is arranged in the shell, and the secondary lock is in transmission connection with the second bolt head.

The lock core of the secondary lock is connected with the pulling piece, the pulling piece is provided with an eccentric column, the second bolt head is provided with a long groove, and the eccentric column of the pulling piece is positioned in the long groove.

The motor is in transmission connection with the toggle gear through a transmission gear, the limiting part is provided with a stress column, and the toggle gear is provided with a toggle edge face for toggling the stress column.

The poking gear is provided with a first gear, the poking part is provided with a second gear, and the first gear is meshed with the second gear.

The poking piece is provided with a round hole, the first bolt head is provided with a clamping groove, one end of the transmission torsion spring is arranged in the round hole, and the other end of the transmission torsion spring is arranged in the clamping groove.

The secondary lock comprises a main lock, a main key and an emergency key, the main lock comprises a lock body, a lock core and a transmission part, the lock core comprises a lock core main body, a first insert hole and a second insert hole are formed in the lock core main body, a first insert is arranged in the first insert hole, a second insert is arranged in the second insert hole, a first elastic part for outwards acting the first insert and a second elastic part for outwards acting the second insert are arranged in the lock core main body, a first clamping groove and a second clamping groove are formed in the inner wall of the lock body, the first clamping groove has the length for limiting the first insert to rotate, and the second clamping groove has the length for enabling the second insert to rotate by a certain angle; the master key all matches with the lock core with emergency key, the tartar of master key has the effect face that lets first inserted sheet come out from first draw-in groove, emergency key's tartar has the effect face that lets the second inserted sheet come out from the second draw-in groove.

First inserted sheet and second inserted sheet all have the slotted hole that lets the key pass, first inserted sheet has the effect portion that takes place the effect with the effect face of master key, the second inserted sheet has the effect portion that takes place the effect with the effect face of emergency key.

The first inserting sheet is provided with an extending part which is acted with the first elastic part, and the second inserting sheet is provided with an extending part which is acted with the second elastic part.

The outer side surface of the extension part is a cambered surface matched with the inner wall of the lock body.

According to the utility model provides a pair of double insurance set bar device thereby realizes locking first one through the first bolt head action of motor drive, and the second grade lock realizes that the second is said through the second bolt head simultaneously and locks, has emergent unblock function again concurrently.

Drawings

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

fig. 2 is a schematic structural diagram 1 of the inside of the present invention;

fig. 3 is a schematic structural diagram 2 of the interior of the present invention (the first plug is hidden);

fig. 4 is a schematic structural diagram 3 of the inside of the present invention;

FIG. 5 is a perspective view of the secondary lock;

FIG. 6 is a front view of the secondary lock;

FIG. 7 is a side view of the secondary lock (hidden lock body);

FIG. 8 is a schematic view of the key and blade interaction;

FIG. 9 is a front view of the insert;

FIG. 10 is a cross-sectional view taken along A-A of FIG. 6;

FIG. 11 is a cross-sectional view taken along line B-B of FIG. 6;

FIG. 12 is a diagram of the operation process of the first insert sheet and the second insert sheet.

Detailed Description

As shown in fig. 1 and 2, the double-safety latch device includes a housing 1, a secondary lock 9, a motor 3, a first bolt head 2 and a second bolt head 12. The secondary lock 9, the motor 3, the first bolt head 2 and the second bolt head 12 are all arranged in the shell 1.

As shown in fig. 2 and fig. 3, a first sliding slot 10 is disposed in the housing 1, and the first bolt head 2 is slidably disposed in the first sliding slot 10, that is, the first bolt head 2 can slide in the first sliding slot 10 to move in and out of the housing 1. When the first bolt head 2 comes out of the shell 1, the bolt can be limited, so that the bolt locks the door; when the first bolt head 2 retracts into the shell 1, the limitation on the bolt is released, and thus the bolt is not locked when the door handle is rotated. In order to shift the first bolt head 2 to move, as shown in fig. 4, a shifting member 4 in transmission connection with the motor 3 is rotatably arranged in the housing 1, and the shifting member 4 is in transmission connection with the first bolt head 2 through a transmission torsion spring 14 (specifically, a round hole is arranged on the shifting member 4, the first bolt head 2 is provided with a clamping groove 21, one end of the transmission torsion spring 14 is arranged in the round hole, and the other end is arranged in the clamping groove 21); the poking piece 4 can drive the first bolt head 2 to move through the transmission torsion spring 14 by the driving of the motor 3. Of course, when the first bolt head 2 extends out of the housing 1, it needs to be limited, and therefore, a limiting chute 12 perpendicular to the first chute 10 is arranged in the housing 1, as shown in fig. 3, a limiting piece 5 is slidably arranged in the limiting chute 12, a return spring 6 for returning the limiting piece 5 is arranged at the rear end of the limiting piece 5, and the motor 3 is in transmission connection with the limiting piece 5; when the motor transmission limiting piece 5 moves backwards, the front end of the limiting piece 5 no longer limits the first bolt head 2, and simultaneously the first bolt head 2 retracts under the tension of the transmission torsion spring 14, so that the first bolt head 2 enters the shell 1. The reason that the toggle element 4 and the first bolt head 2 are in transmission connection by the transmission torsion spring 14 is that under the same transmission mechanism, the toggle element 4 rotates by a certain angle in the period that the limitation element 5 moves to one side to remove the limitation, and the transmission torsion spring 14 deforms to generate tension in the rotation process of the toggle element 4, and when the limitation element 5 removes the limitation, the transmission torsion spring 14 can immediately pull the first bolt head 2 to retract. And a return spring 6 for urging the restriction member 5 to return is provided at the rear end of the restriction member 5 in order to return the restriction member 5.

When the safe is in the locked state, as shown in fig. 3, the front end of the limiting member 5 limits the first bolt head 2, so that the first bolt head 2 cannot move, thereby bolting the bolt. When the unlocking is needed, the fingerprint or the password is matched, the motor 4 drives the limiting part 5 to move backwards, so that the limiting part 5 does not limit the first bolt head 2, the poking part 4 rotates under the driving of the motor 3 and pulls the first bolt head 2 to move downwards through the transmission torsion spring 14, and when the limiting part 5 is completely released, the first bolt head 2 enters the shell 1, so that the unlocking is realized. When the lock needs to be locked again, the motor 3 rotates reversely, the stirring piece 4 rotates, the stirring piece 4 drives the first bolt head 2 to move outwards through the transmission torsion spring 14, the limiting piece 5 resets under the action of the return spring 6, the first bolt head 2 is limited again, and therefore the bolt is locked again by the first bolt head 2.

As mentioned above, the motor 3 can drive the limiting member 5 to move and the toggle member 4 to rotate simultaneously, and in order to realize such a transmission structure, as shown in fig. 3 and 4, the motor 3 is in transmission connection with the toggle gear 7 through the transmission gear 8, the limiting member 5 has the force-bearing column 51, and the toggle gear 7 has the toggle edge face 70 for toggling the force-bearing column 51. When the motor 3 drives the toggle gear 7 to rotate, the toggle gear 7 acts on the force bearing column 51 of the limiting member 5 through the toggle edge face 70 of the toggle gear, so that the limiting member 5 can move. In order to simultaneously drive the toggle element 4 to rotate, the toggle gear 7 is provided with a first gear 71, the toggle element 4 is provided with a second gear 41, and the first gear 71 is meshed with the second gear 41. When the motor 3 drives the toggle gear 7 to rotate, the toggle element 4 rotates along with the first gear 71 and the second gear 41, and the toggle element 4 rotates to drive the first bolt head 2 to move through the transmission torsion spring 14. Of course, the transmission structure is various, and other transmission structures can realize the functions, and are not listed.

As shown in fig. 1 and 3, the motor 3 is in transmission connection with the toggle piece 4 through a transmission gear 8. Drive gear 8 can be put together by the gear train of a plurality of different diameters to can reach the speed reduction purpose, compare from the motor of taking the speed reduction structure, the utility model discloses a structural cost is lower.

The above for the electronic lock function, in order to realize dual fail-safe, the utility model discloses still including the mechanical lock function, this mechanical lock function can also play emergent unblock function in the electronic lock trouble simultaneously except can playing the set bar effect. Therefore, as shown in fig. 1, a bolt head seat is arranged in a shell 1, a second sliding groove 11 parallel to a first sliding groove 10 is arranged on the bolt head seat, a second bolt head 12 is arranged in the second sliding groove 11 in a sliding manner (the second bolt head 12 also plays a role of bolting a bolt), as shown in fig. 2, the second bolt head 12 is provided with an unlocking part 120 and a pushing part 121, as shown in fig. 3, the front end of a limiting part 5 is provided with an unlocking inclined surface 50, the unlocking part 120 is provided with a pushing inclined surface which acts on the unlocking inclined surface 50 to drive the limiting part 5 to move, the pushing part 121 can push the first bolt head 2 to move, a secondary lock 9 is arranged in the shell 1, and the secondary lock 9 is in transmission connection with the second bolt head 12.

The secondary lock 9 has a secondary transmission function, when the mechanical lock needs to be normally unlocked, the main key 93 is inserted into the secondary lock and is rotated by an angle, so that the second bolt head 12 moves backwards in the second sliding groove 11, and the mechanical unlocking is realized. When the motor 3 or the circuit fails and the first bolt head 2 cannot be unlocked, the emergency key 94 is inserted into the secondary lock 9, and then the second bolt head 12 continues to move backwards, so that the unlocking part 120 of the second bolt head 12 first acts on the unlocking inclined plane 50 of the limiting part 5, so that the limiting part 5 moves backwards, and after the limiting part 5 is unlocked, the second bolt head 12 continues to move backwards, and the pushing part 121 of the second bolt head acts on the first bolt head 2 and pushes the first bolt head 2 to move (as shown in fig. 3, specifically acts on the extending block 20 of the first bolt head 2, the extending block 20 may be integrally formed with the first bolt head 2, or may be welded or connected to the first bolt head 2 by other existing connecting methods), so that the first bolt head 2 enters the housing 1, thereby realizing emergency unlocking.

The structure that the second grade lock 9 transmission second bolt head 12 removed can be multiple, the utility model discloses specifically provide one kind: as shown in fig. 1, the key cylinder of the secondary lock 9 is connected to the pulling member 13, the pulling member 13 has an eccentric column 130 thereon, the second bolt head 12 has a long slot 122, and the eccentric column 130 of the pulling member 13 is located in the long slot 122. By this, the pulling member 13 can pull the second bolt head 12 to move a distance after rotating an angle, and can pull the second bolt head 12 to move a distance after rotating an angle. Thus, the two-stage transmission can be realized by matching with the two-stage lock.

The structure and working principle of the secondary lock will be described in detail below.

As shown in fig. 5 and 6, the secondary lock 9 includes a main lock 91, a main key 93 and an emergency key 94. As shown in fig. 7-11, the primary lock 91 of the secondary lock comprises a lock body 910 and a lock cylinder 911, and the lock cylinder 911 comprises a lock cylinder body 9110, a first insert hole and a second insert hole are arranged on the lock cylinder main body 9110, a first insert 95 is arranged in the first insert hole, a second insert 96 is arranged in the second insert hole, a first elastic piece for outwards acting the first insert 95 and a second elastic piece for outwards acting the second insert 96 are arranged in the lock cylinder main body 9110 (the first elastic piece and the second elastic piece are both springs), a first clamping groove 9101 and a second clamping groove 9102 are arranged on the inner wall of the lock body 910, the first clamping groove 9101 has a length for limiting the rotation of the first inserting piece 95 (i.e. the first inserting piece 95 cannot rotate after being inserted into the first clamping groove 9101), and the second clamping groove 9102 has a length for enabling the second inserting piece 96 to rotate by a certain angle (i.e. the second inserting piece 96 can rotate by a certain angle after being inserted into the second clamping groove 9102); the master key 93 and the emergency key 94 are matched with the lock cylinder 911, the tooth of the master key 93 is provided with an acting surface 97 for enabling the first insert 95 to come out of the first clamping groove 9101, and the tooth of the emergency key 94 is provided with an acting surface 97 for enabling the second insert 96 to come out of the second clamping groove 9102.

The working principle of the secondary lock is as follows: as shown in fig. 11, in the locked state (i), the first insert 95 is inserted into the first slot 9101 of the lock body 910 by the first elastic member, the second insert 96 is inserted into the second slot 9102 of the lock body 910 by the second elastic member, and the latch of the lock cylinder 911 is latched into the lock body 910 (the latch is prior art and not shown), so that the main lock 91 is in the above state; when the master lock needs to be unlocked (shown in the figure), the master key 93 is inserted into the lock cylinder 911, and as the tooth pattern of the master key 93 has the action surface 97 which enables the first inserting piece 95 to come out of the first clamping groove 9101, the first inserting piece 95 comes out of the first clamping groove 9101, and the second inserting piece 96 can rotate at a certain angle (such as 90 degrees, the master key 93 can only rotate 90 degrees) in the second clamping groove 9102, and meanwhile, the locking block also eliminates the locking state, so that when the master key 93 is rotated, the lock cylinder 911 can rotate at a certain angle, and primary rotation is realized; when the master key is pulled out and the emergency key 94 is inserted (the master key 93 and the emergency key 94 have the same teeth basically, but the position of the action surface 97 at the foremost end of the teeth is different), because the teeth of the emergency key 94 have the action surface 97 for enabling the second insert 96 to come out of the second clamping groove 9102, the second insert 96 also comes out of the second clamping groove 9102 (third in the figure), the emergency key 94 can rotate, and the lock cylinder 911 can rotate for a certain angle again, so that secondary transmission is realized.

In order to allow the inserts to move when the key is inserted, the first insert 95 and the second insert 96 each have a slot 92 through which the key passes, the first insert 95 has an action portion 920 that acts on the action surface 97 of the master key 93, and the second insert 96 has an action portion 920 that acts on the action surface 97 of the emergency key 94. When a corresponding key is inserted, the embossed action surface 7 and the action part 920 of the insert act to move the insert.

In addition, the first insert 95 has an extending portion 921 that interacts with the first elastic member, and the second insert 96 also has an extending portion 921 that interacts with the second elastic member. One end of the elastic member acts on the cylinder body 9110 and the other end acts on the extension 921. Therefore, the inserting sheet is clamped in the clamping groove under the action of the elastic piece. The outer side of the extension 921 is a curved surface that fits the inner wall of the lock body 910. Thus, the insert can better conform to the lock body 910, thereby improving insert stability.

The first-stage transmission realizes unlocking of the second bolt head, and the second-stage transmission realizes emergency unlocking of the electronic lock. When the main key is inserted and rotated, the transmission part realizes primary transmission, so that the second bolt head is driven to move to realize unlocking. When the electronic lock fails and cannot be normally unlocked, the emergency key is inserted, and the first bolt head is driven to move through the secondary transmission of the secondary lock to realize unlocking. Like this, secondary lock and electronic lock can play dual fail-safe effect, and secondary lock has the emergent function of opening the electronic lock moreover to make two kinds of tool to lock integrate together ingeniously, solved the technical problem that current safe exists.

Claims (9)

1. Double insurance set bar device, including casing (1), motor (3) and first bolt head (2), its characterized in that: a first sliding groove (10) is formed in the shell (1), the first bolt head (2) is slidably arranged in the first sliding groove (10), a limiting sliding groove (12) perpendicular to the first sliding groove (10) is formed in the shell (1), a limiting piece (5) is slidably arranged in the limiting sliding groove (12), a reset spring (6) for driving the limiting piece (5) to reset is arranged at the rear end of the limiting piece (5), the motor (3) is in transmission connection with the limiting piece (5), a stirring piece (4) in transmission connection with the motor (3) is rotatably arranged in the shell (1), and the stirring piece (4) is in transmission connection with the first bolt head (2) through a transmission torsion spring (14); be equipped with the key head seat in the casing, be equipped with second spout (11) parallel with first spout (10) on the key head seat, slidable is equipped with second key head (12) in second spout (11), second key head (12) have unblock portion (120) and promotion portion (121), the front end of restriction piece (5) has unblock inclined plane (50), unblock portion (120) have and act on unblock inclined plane (50) and drive the promotion inclined plane that restriction piece (5) removed, promotion portion (121) can promote first key head (2) and remove, install second grade lock (9) in the casing, second grade lock (9) are connected with second key head (12) transmission.

2. A dual safety latch device according to claim 1, wherein: the lock core of the secondary lock (9) is connected with the pulling piece (13), the pulling piece (13) is provided with an eccentric column (130), the second bolt head (12) is provided with a long groove (122), and the eccentric column (130) of the pulling piece (13) is positioned in the long groove (122).

3. A dual safety latch device according to claim 1, wherein: the motor (3) is in transmission connection with the toggle gear (7) through the transmission gear (8), the limiting piece (5) is provided with a stress column (51), and the toggle gear (7) is provided with a toggle edge face (70) for toggling the stress column (51).

4. A dual safety latch device according to claim 3, wherein: the toggle gear (7) is provided with a first gear (71), the toggle piece (4) is provided with a second gear (41), and the first gear (71) is meshed with the second gear (41).

5. A dual safety latch device according to claim 4, wherein: the poking piece (4) is provided with a round hole, the first bolt head (2) is provided with a clamping groove (21), one end of the transmission torsion spring (14) is arranged in the round hole, and the other end of the transmission torsion spring is arranged in the clamping groove (21).

6. A dual safety latch device according to claim 1, wherein: the secondary lock (9) comprises a main lock (91), a main key (93) and an emergency key (94), the main lock (91) comprises a lock body (910), a lock cylinder (911) and a transmission piece (912), the lock cylinder (911) comprises a lock cylinder main body (9110), a first insert hole and a second insert hole are arranged on the lock cylinder main body (9110), a first inserting sheet (95) is arranged in the first inserting sheet hole, a second inserting sheet (96) is arranged in the second inserting sheet hole, a first elastic piece for outwards acting the first inserting sheet (95) and a second elastic piece for outwards acting the second inserting sheet (96) are arranged in the lock cylinder main body (9110), a first clamping groove (9101) and a second clamping groove (9102) are arranged on the inner wall of the lock body (910), the first clamping groove (9101) has a length for limiting the rotation of the first inserting sheet (95), the second clamping groove (9102) has a length which enables the second inserting sheet (96) to rotate by a certain angle; the master key (93) all matches with lock core (911) with emergency key (94), the tartar of master key (93) has the effect face (97) that lets first inserted sheet (95) come out from first draw-in groove (9101), the tartar of emergency key (94) has the effect face (97) that lets second inserted sheet (96) come out from second draw-in groove (9102).

7. A dual safety latch device according to claim 6, wherein: first inserted sheet (95) and second inserted sheet (96) all have slotted hole (92) that let the key pass through, first inserted sheet (95) have with the effect portion (920) that takes place the effect of effect face (97) of master key (93), second inserted sheet (96) have with the effect portion (920) that takes place the effect of effect face (97) of emergency key (94).

8. A dual safety latch device according to claim 7, wherein: the first inserting sheet (95) is provided with an extending part (921) which acts on the first elastic piece, and the second inserting sheet (96) is provided with an extending part (921) which acts on the second elastic piece.

9. A dual safety latch device according to claim 8, wherein: the outer side surface of the extension part (921) is an arc surface (922) matched with the inner wall of the lock body (910).

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