CN112664067A

CN112664067A - Electronic lock

Info

Publication number: CN112664067A
Application number: CN202110157668.7A
Authority: CN
Inventors: 童晓敏; 周秀凯
Original assignee: Zhejiang Int Smart Home Co ltd
Current assignee: Zhejiang Int Smart Home Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-04-16

Abstract

An electronic lock. The problems of complex structure and unreliable action of the conventional electronic lock are solved. The lock comprises a lock body and a main lock tongue, wherein the lock body is provided with a driving device, the driving device is connected with the main lock tongue through a transmission mechanism and is used for driving the main lock tongue to reciprocate, the main lock tongue is provided with a first position which is driven by the driving device to stretch out the outer interlocking of the lock body and a second position which is retracted into the lock body after being unlocked, the transmission mechanism comprises a poking ring, and the poking ring is provided with a first state which interlocks the main lock tongue when the main lock tongue stretches out the lock body, a second state which is driven by the driving device to unlock and drives the main lock tongue to move relative to the lock body and a third state which interlocks the main lock tongue when the main lock tongue is retracted into the lock body. The invention also has the advantages of simple structure, convenient assembly, reliable action, long service life and the like.

Description

Electronic lock

Technical Field

The invention relates to a lockset, in particular to an electronic lock.

Background

The lock is a sealing tool, which includes lock, key and its accessories, and is generally explained as "sealing implement which can be opened by using key". At present, the lock can be unlocked by using a key and instructions such as light, electricity, magnetism, sound, fingerprints and the like. The lockset not only is a protective article, but also has the functions of management and decoration.

The electronic lock is an electronic product which controls the circuit or chip to work (access control system) through password input so as to control the closing of a mechanical switch and complete the unlocking and locking tasks. There are many kinds of the circuit products, and there are simple circuit products and products with higher cost performance based on chips. The electronic coded lock which is widely applied at present is realized by taking a chip as a core and programming, the electronic door lock appears along with the development of electronic technology, and the electronic coded lock is incomparable to a mechanical lock in the aspects of use convenience, illegal unlocking prevention, intelligent management and the like, so the electronic coded lock is widely applied to industries with higher safety requirements. The common market is mainly magnetic card, IC card, TM card, radio frequency card electronic door lock, etc. In the locking function of the electronic lock, the action and the interlocking of a main bolt are important, the main bolt driving part of the existing electronic lock has a complex structure, and although the interlocking can be realized when a door is locked, the interlocking is not reliable, and the interlocking part is easy to open from the outside; the main bolt is usually not provided with the interlocking when in the lock body, the product can malfunction and stretch out, the use of a user is influenced, the interlocking is easy to lose efficacy, and the safety performance of the product is poor.

Disclosure of Invention

The invention provides an electronic lock, aiming at solving the problems of complex structure and unreliable action of the existing electronic lock in the background technology.

The technical scheme of the invention is as follows: the utility model provides an electronic lock, includes lock body and main spring bolt, the lock body on be equipped with drive arrangement, drive arrangement be connected with main spring bolt and be used for driving main spring bolt reciprocating motion through drive mechanism, main spring bolt have by drive arrangement drive stretch out the outer interlocking first position of lock body and the unblock after retract the lock body in the second position, drive mechanism include the ring of dialling, the ring of dialling have the interlocking first state of main spring bolt when main spring bolt stretches out the lock body, drive the unblock by drive arrangement and drive the relative lock body motion's of main spring bolt second state and the interlocking main spring bolt's of main spring bolt third state when main spring bolt retracts in the lock body.

As an improvement of the invention, the toggle ring is provided with a toggle block, the main bolt comprises a transmission plate, the transmission plate is provided with an interlocking groove, and the toggle block is arranged in the interlocking groove and is respectively interlocked with the transmission plate when the main bolt is at the first position and the third position.

As a further improvement of the invention, an interlocking notch is arranged in the interlocking groove, the interlocking notch is in a V shape, a first interlocking surface is arranged on the shifting block, the first interlocking surface is clamped into the V-shaped interlocking notch when the main bolt is at the first position and the third position, and a second interlocking surface matched with the inner wall of the interlocking groove on the transmission plate is arranged on the shifting block.

As a further improvement of the invention, the interlocking groove of the transmission plate is provided with an opening, the transmission plate is provided with a transmission surface which is convenient for the shifting block to push, and the shifting block is jointed with the transmission surface when extending into the opening of the interlocking groove when the shifting ring is in the second state and drives the transmission plate to do linear reciprocating motion through the rotation of the shifting ring.

As a further improvement of the invention, the lock body is provided with an installation shaft, the toggle ring is sleeved on the installation shaft, the transmission plate is provided with a guide groove, the installation shaft penetrates through the guide groove, the transmission plate is provided with an elastic element, and the elastic element has a movement trend that the toggle ring is driven by the toggle block to tend to the first state or the third state.

As a further improvement of the present invention, the driving device includes an electric driving mechanism, the electric driving mechanism includes an electric driving element and a driving gear, the driving gear and the toggle ring are coaxially disposed, the driving gear is provided with a driving block for driving the toggle ring to rotate, the toggle ring is provided with a toggle groove, and the driving block is disposed in the toggle groove of the toggle ring and has an idle stroke with an inner wall of the toggle groove.

As a further improvement of the invention, the driving device comprises a key driving mechanism, the key driving mechanism comprises a key jack for inserting a key and a key driving piece driven by the key, the transmission mechanism comprises a transmission gear, and the key driving piece is connected with the toggle ring through the transmission gear and drives the main bolt to do reciprocating linear motion through the toggle ring.

As a further improvement of the invention, the driving device comprises an inner handle driving mechanism, the inner handle driving mechanism comprises an inner handle and a driving piece driven by the inner handle, the transmission mechanism comprises a transmission gear, and the driving piece is connected with the toggle ring through the transmission gear and drives the main bolt to do reciprocating linear motion through the toggle ring.

As a further improvement of the invention, a driving groove is arranged on the toggle ring, a transmission block is arranged on the transmission gear, the transmission block is arranged in the driving groove, a rotating gap is arranged between the transmission block and the inner wall of the driving groove, an oblique tongue limiting piece and an oblique tongue driving plate are arranged in the lock body, the oblique tongue driving plate is connected with the oblique tongue through the oblique tongue limiting piece, and a blocking shoulder for driving the oblique tongue driving plate to move is arranged on the transmission gear.

As a further improvement of the invention, the driving gear is provided with a driving shaft for unlocking the latch bolt, the transmission gear is provided with a abdicating groove for the driving shaft to rotate, and the driving shaft pushes the back of the retaining shoulder when the main latch bolt retracts into the lock body so that the retaining shoulder pushes the latch bolt driving plate to unlock the latch bolt.

The invention has the advantages that the main spring bolt is driven to move and realize interlocking by the toggle ring, the structure is simple, the interlocking is reliable, the main spring bolt can be interlocked when positioned at the first position and the second position by the toggle ring, the door lock is prevented from being unlocked and opened by people from the outside, the misoperation and the extension of the main spring bolt can also be avoided, the forced interlocking is realized by a physical mode, and the interlocking is reliable. The invention also has the advantages of simple structure, convenient assembly, reliable action, long service life and the like.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Figure 2 is a schematic structural view of the lock body 1 in figure 1.

Fig. 3 is a schematic structural view of the main bolt 2 in the first position according to the embodiment of the present invention.

Fig. 4 is a schematic structural view of the main bolt 2 according to the embodiment of the present invention when retracted.

Fig. 5 is a schematic structural view of the master bolt of the embodiment of the invention when retracted into the lock body.

Fig. 6 is a schematic diagram of the exploded structure of fig. 1.

Fig. 7 is a schematic diagram of the exploded structure of fig. 6.

Fig. 8 is a schematic view of the toggle ring 71 shown in fig. 7 in another direction.

Fig. 9 is a schematic view showing another direction of the driving gear 42 in fig. 7.

Fig. 10 is a schematic view of the drive gear 62 of fig. 7.

In the figure, 1, a lock body; 11. installing a shaft; 12. a latch bolt; 13. a latch bolt limiting part; 14. a latch bolt driving plate; 15. tongue collision; 2. a main bolt; 3. a drive device; 4. a transmission mechanism; 41. a dial ring; 411. a shifting block; 4111. a first interlocking surface; 4112. a second interlocking surface; 412. a poking groove; 413. a drive slot; 42. a transmission gear; 421. a transmission block; 422. a shoulder block; 423. a yielding groove; 5. a drive plate; 51. an interlock slot; 52. an interlock notch; 53. an opening; 54. a driving surface; 55. a guide groove; 56. an elastic member; 57. a pressing member; 6. an electric drive mechanism; 61. an electric drive element; 62. a drive gear; 621. a drive block; 622. a drive shaft; 63. a gear drive assembly; 7. a key drive mechanism; 71. a key insertion hole; 72. a key driving piece; 73. a key pick; 731. a key gear part; 8. an inner handle drive mechanism; 81. an inner handle; 82. a drive member.

Detailed Description

The embodiments of the invention will be further described with reference to the accompanying drawings in which:

as shown in fig. 1 and fig. 2-10, an electronic lock includes a lock body 1, a main bolt 2 and a strike bolt 15, the lock body 1 is provided with a driving device 3, the driving device 3 is connected with the main bolt 2 through a transmission mechanism 4 and is used for driving the main bolt 2 to reciprocate, the main bolt 2 has a first position which is driven by a driving device 3 to extend out of the lock body 1 for interlocking (the main bolt is used as the lock body for interlocking with a door) and a second position which is retracted into the lock body 1 after being unlocked, the transmission mechanism 4 comprises a toggle ring 41, and the toggle ring 41 has a first state for interlocking the main bolt 2 when the main bolt 2 extends out of the lock body 1 (the interlocking is that the toggle ring interlocks the main bolt to avoid the misoperation of the main bolt), a second state for unlocking and driving the main bolt 2 to move relative to the lock body 1 under the driving of the driving device 3, and a third state for interlocking the main bolt 2 when the main bolt 2 retracts into the lock body 1. The invention realizes interlocking by driving the main lock tongue to move through the toggle ring, has simple structure and reliable interlocking, can realize interlocking when the main lock tongue is positioned at the first position and the second position through the toggle ring, avoids the door lock from being unlocked and opened by people from the outside and also can avoid the main lock tongue from extending out by misoperation, realizes forced interlocking through a physical mode, and has reliable interlocking. The invention also has the advantages of simple structure, convenient assembly, reliable action, long service life and the like.

The toggle ring 41 is provided with a toggle block 411, the main bolt 2 comprises a driving plate 5, the driving plate 5 is provided with an interlocking groove 51, and the toggle block 411 is arranged in the interlocking groove 51 and is interlocked with the driving plate 5 when the main bolt 2 is at the first position and the third position respectively. Specifically speaking, interlocking notch 52 is equipped with in interlocking groove 51, interlocking notch 52 be the V font, stir and be equipped with first interlocking surface 4111 on block 411, first interlocking surface 4111 block in the interlocking notch 52 of V font when main spring bolt 2 is in primary importance, third position, stir and be equipped with on block 411 with driving plate 5 on the second interlocking surface 4112 of interlocking groove 51 inner wall looks adaptation. More specifically, the first interlocking surface of the poking block is in a square shape and is clamped into the interlocking notch to realize interlocking, so that the poking block can reliably prevent the main bolt from misoperation during interlocking and can be quickly unlocked by rotating during unlocking. Meanwhile, the driving plate can be reliably driven to move. The second interlocking face can play spacing support to dialling the piece, can realize interlocking with the cooperation of first interlocking face, and the interlocking is more reliable, and product strength is high.

The interlocking groove 51 of driving plate on be equipped with opening 53, driving plate 5 on be equipped with the driving face 54 that is convenient for stir the piece 411 and promote, stir piece 411 when stirring ring 41 be in the second state with stretch into interlocking groove 51 in opening 53 with the driving face 54 laminating mutually and through stirring ring 41 rotation drive driving plate 5 linear reciprocating motion. The open-ended setting is convenient for dial the piece unblock and is stepped down, is convenient for dial ring action unblock, can drive the action of driving plate through the driving face after stirring the ring unblock simultaneously for the action of driving plate is steady reliable.

Lock body 1 on be equipped with installation axle 11, stir ring 41 cover locate installation axle 11 on, driving plate 5 on be equipped with guide way 55, installation axle 11 pass the guide way 55 setting, driving plate 5 on be equipped with elastic component 56, elastic component 56 have and stir the motion trend that ring 41 tends to first state or third state through stirring the piece 411 drive. The arrangement of the guide groove enables the transmission plate to move stably and reliably, so that the linear running performance of the main bolt is better, and the arrangement of the elastic piece can press the shifting block into the interlocking notch, so that the product is reliably interlocked.

Drive arrangement 3 include electric drive mechanism 6, electric drive mechanism 6 include electric drive element 61 and drive gear 62, drive gear 62 with stir the coaxial setting of ring 41, drive gear 62 on be equipped with and be used for driving and dial ring 41 pivoted drive block 621, stir and be equipped with on the ring 41 and stir groove 412, drive block 621 locate stir the inslot 412 of ring 41 and with stir and have idle running between the inner wall of groove 412. Specifically speaking, the driving gear, the poking ring and the transmission gear are coaxially arranged and sleeved outside the installation shaft. More specifically, the electric drive element is connected to the drive gear via a gear assembly 63, and more specifically, the electric drive element is connected to the drive gear via a bevel gear assembly. The structure enables the driving element to reliably drive the driving gear to rotate, and the driving gear can reliably drive the stirring ring to rotate, so that the transmission plate is driven to do linear reciprocating motion through the stirring ring. Of course, in the actual production process, the electric driving mechanism can be connected with the gear transmission assembly through the speed reducer. More specifically, the electric driving mechanism may be a motor, a motor with a reducer, a servo motor, or the like. Of course, components such as a circuit board, a position switch and the like are also arranged in the lock body in the actual production process.

The driving device 3 comprises a key driving mechanism 7, the key driving mechanism 7 comprises a key jack 71 for inserting a key and a key driving piece 72 driven by the key, the transmission mechanism 4 comprises a transmission gear 42, and the key driving piece 72 is connected with a toggle ring 41 through the transmission gear 42 and drives the main bolt 2 to make reciprocating linear motion through the toggle ring 41. Specifically, the key driving piece is connected with the transmission gear through a key pulling piece 73, and the key pulling piece is provided with a key gear part 731 meshed with the transmission gear. The structure enables the product to realize quick door opening and locking through a mechanical key, and the door locking device is simple in structure and convenient and reliable in driving.

The driving device 3 comprises an inner handle driving mechanism 8, the inner handle driving mechanism 8 comprises an inner handle 81 and a driving element 82 driven by the inner handle 81, the transmission mechanism 4 comprises a transmission gear 42, and the driving element 82 is connected with a toggle ring 41 through the transmission gear 42 and drives the main bolt 2 to make reciprocating linear motion through the toggle ring 41. The structure enables the product to realize quick door opening and locking through the inner handle, and the structure is simple, and the driving is convenient and reliable.

The lock body 1 is internally provided with a latch bolt 12, a latch bolt limiting piece 13 and a latch bolt driving plate 14, the latch bolt driving plate 14 is connected with the latch bolt 12 through the latch bolt limiting piece 13, and the transmission gear 42 is provided with a blocking shoulder 422 for driving the latch bolt driving plate 14 to move. The specific structure of the latch bolt and the latch bolt part is the prior art and is not described in detail. Specifically, the driving gear 62 is provided with a driving shaft 622 for unlocking the latch bolt 12, the transmission gear 42 is provided with a abdicating groove 423 for rotating the driving shaft 622, and the driving shaft 622 pushes the back of the stop shoulder 422 when the main latch bolt 2 retracts into the lock body 1, so that the stop shoulder 422 pushes the latch bolt driving plate 14 to unlock the latch bolt 12. When the main lock tongue is retracted into the lock body, the blocking shoulder can be arranged to reliably drive the latch bolt to unlock through the latch bolt driving plate so as to facilitate door opening, and after the door is opened, the latch bolt driving plate can drive the pushing blocking shoulder to enable the transmission gear to rotate, so that the latch bolt is conveniently interlocked, and interlocking of the main lock tongue is not influenced. The drive shaft is arranged to unlock the latch bolt under the driving of the motor. And the setting in groove of stepping down and drive groove makes electric drive mechanism can reliably drive and stir the ring and rotate the reliable motion that realizes the driving plate, when mechanical parts such as mechanical key and interior handle moved, can not drive gear and rotate, avoids the motor reversal, damages spare part.

Further description is made with reference to fig. 2-5: FIG. 2 shows the motor retracted into the lock body, i.e., in the open state; when the door is closed, the touch bolt 15 is pressed into the lock body, the switch at the touch bolt is released, the motor is started, the driving gear rotates in the forward direction, the toggle ring rotates in the forward direction, the transmission plate is linked, and the pressing piece 57 on the transmission plate presses the switch on the main lock tongue; the driving gear reversely rotates to stop, the key can be unlocked, and the motor completes the door locking action, as shown in fig. 3; inputting an electronic key command, driving the gear to rotate reversely, driving the toggle ring to rotate reversely, and driving the main bolt to retract into the lock body, as shown in fig. 4; when the main bolt completely enters the lock body, the pressing piece on the transmission plate switches the switch of the main bolt, at the moment, the driving gear continues to act and pushes the back of the retaining shoulder 422 through the driving shaft, so that the retaining shoulder 422 pushes the oblique bolt driving plate 14 to unlock the oblique bolt 12, and at the moment, the oblique bolt can be opened by the unlocking door, as shown in fig. 5; after the door is opened, the driving gear rotates forwards to a designated position, the lock is completely opened, the latch bolt limiting part resets and interlocks the latch bolt, and meanwhile, the latch bolt driving plate drives the driving gear to rotate reversely, the transmission block on the driving gear slightly rotates in the driving groove of the poking ring, and the poking ring cannot be driven to unlock due to the arrangement of a rotating gap.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "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, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The skilled person should understand that: although the invention has been described in terms of the above specific embodiments, the inventive concept is not limited thereto and any modification applying the inventive concept is intended to be included within the scope of the patent claims.

Claims

1. The utility model provides an electronic lock, includes lock body (1) and main spring bolt (2), its characterized in that: the lock body (1) is provided with a driving device (3), the driving device (3) is connected with the main bolt (2) through a transmission mechanism (4) and is used for driving the main bolt (2) to reciprocate, the main bolt (2) has a first position which is driven by the driving device (3) to extend out of the lock body (1) for interlocking and a second position which is retracted into the lock body (1) after being unlocked, the transmission mechanism (4) comprises a poking ring (41), wherein the poking ring (41) has a first state of interlocking the main bolt (2) when the main bolt (2) extends out of the lock body (1), a second state of driving the main bolt (2) to unlock and driving the main bolt (2) to move relative to the lock body (1) by the driving device (3), and a third state of interlocking the main bolt (2) when the main bolt (2) retracts into the lock body (1).

2. An electronic lock according to claim 1, wherein the tumbler ring (41) is provided with a tumbler block (411), the main bolt (2) comprises a driving plate (5), the driving plate (5) is provided with an interlocking slot (51), and the tumbler block (411) is arranged in the interlocking slot (51) and interlocked with the driving plate (5) when the main bolt (2) is in the first position and the third position.

3. An electronic lock according to claim 2, characterized in that interlocking notch (52) is provided in interlocking groove (51), interlocking notch (52) be the V font, stirring piece (411) on be equipped with first interlocking surface (4111), first interlocking surface (4111) when main bolt (2) is in first position, third position go into V font interlocking notch (52) in, stirring piece (411) on be equipped with driving plate (5) on the second interlocking surface (4112) of interlocking groove (51) inner wall looks adaptation.

4. An electronic lock according to claim 2, wherein the interlocking slot (51) of the driving plate is provided with an opening (53), the driving plate (5) is provided with a driving surface (54) which is convenient for the shifting block (411) to push, and the shifting block (411) is attached to the driving surface (54) when the shifting ring (41) is in the second state and extends into the opening (53) of the interlocking slot (51) and drives the driving plate (5) to linearly reciprocate by the rotation of the shifting ring (41).

5. The electronic lock according to claim 2, wherein the lock body (1) is provided with a mounting shaft (11), the toggle ring (41) is sleeved on the mounting shaft (11), the transmission plate (5) is provided with a guide groove (55), the mounting shaft (11) passes through the guide groove (55), the transmission plate (5) is provided with an elastic member (56), and the elastic member (56) has a movement tendency that the toggle ring (41) is driven by the toggle block (411) to tend to the first state or the third state.

6. An electronic lock according to claim 1, characterized in that the driving device (3) comprises an electric driving mechanism (6), the electric driving mechanism (6) comprises an electric driving element (61) and a driving gear (62), the driving gear (62) and the dial ring (41) are coaxially arranged, the driving gear (62) is provided with a driving block (621) for driving the dial ring (41) to rotate, the dial ring (41) is provided with a dial groove (412), and the driving block (621) is arranged in the dial groove (412) of the dial ring (41) and has an idle stroke with the inner wall of the dial groove (412).

7. An electronic lock as claimed in claim 6, wherein said actuating means (3) comprises a key actuating mechanism (7), said key actuating mechanism (7) comprises a key insertion hole (71) for inserting a key and a key actuating plate (72) driven by the key, said actuating mechanism (4) comprises a transmission gear (42), said key actuating plate (72) is connected to the tumbler ring (41) through the transmission gear (42) and drives the main bolt (2) to reciprocate through the tumbler ring (41).

8. An electronic lock as claimed in claim 6, wherein the driving means (3) comprises an inner handle driving mechanism (8), the inner handle driving mechanism (8) comprises an inner handle (81) and a driving member (82) driven by the inner handle (81), the transmission mechanism (4) comprises a transmission gear (42), and the driving member (82) is connected with the dial ring (41) through the transmission gear (42) and drives the main bolt (2) to reciprocate through the dial ring (41).

9. The electronic lock according to claim 7 or 8, wherein the toggle ring (41) is provided with a driving groove (413), the transmission gear (42) is provided with a transmission block (421), the transmission block (421) is arranged in the driving groove (413) and is provided with a rotation gap with the inner wall of the driving groove (413), the lock body (1) is provided with a latch bolt (12), a latch bolt limiting member (13) and a latch bolt driving plate (14), the latch bolt driving plate (14) is connected with the latch bolt (12) through the latch bolt limiting member (13), and the transmission gear (42) is provided with a stopper (422) for driving the latch bolt driving plate (14) to move.

10. The electronic lock as claimed in claim 9, wherein the driving gear (62) is provided with a driving shaft (622) for unlocking the latch bolt (12), the transmission gear (42) is provided with a relief groove (423) for rotation of the driving shaft (622), and the driving shaft (622) pushes the back of the retaining shoulder (422) when the main latch bolt (2) retracts into the lock body (1) so that the retaining shoulder (422) pushes the latch bolt driving plate (14) to unlock the latch bolt (12).