CN215978876U

CN215978876U - Electronic lock capable of being locked by mechanical key

Info

Publication number: CN215978876U
Application number: CN202120324515.2U
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: 2022-03-08
Anticipated expiration: 2031-02-05

Abstract

An electronic lock capable of being locked by a mechanical key. The problem of the mechanical key of current electronic lock can not lock is 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, and the main lock tongue is provided with a first position which is driven by the driving device to extend out of the lock body for interlocking and a second position which is retracted into the lock body after being unlocked. The utility model has the advantages that the position change of the main lock tongue can be reliably driven by the driving device and the transmission mechanism, the main lock tongue can be unlocked, the main lock tongue can extend out of the lock body to be interlocked, and the main lock tongue is simple in action and reliable in interlocking. The utility model also has the advantages of simple structure, convenient assembly, reliable action, long service life and the like.

Description

Electronic lock capable of being locked by mechanical key

Technical Field

The present invention relates to an electronic lock, and more particularly, to an electronic lock lockable by a mechanical key.

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 electronic lock, main spring bolt action and interlocking are crucial, the main spring bolt drive part structure of current electronic lock is complicated, wherein mechanical key part can reliably realize the function of unblanking, but it is more difficult to lock the vacancy, and present tool to lock only can realize the interlocking outside main spring bolt stretches out the lock body completely, and main spring bolt can stretch out outside the lock body when the state of opening the door or other maloperations, influence the user and use, the interlocking is inefficacy easily, make the security performance of product poor, it is inconvenient to lock the door, be difficult to open and close fast and mechanically lock.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the mechanical key of the existing electronic lock in the background technology can not be locked, the utility model provides an electronic lock capable of being locked by the mechanical key.

The technical scheme of the utility model is as follows: the electronic lock comprises a lock body and a main lock tongue, wherein a driving device is arranged on the lock body, 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, and the main lock tongue is provided with a first position which is driven by the driving device to extend out of the lock body for interlocking and a second position which is retracted into the lock body after being unlocked.

As an improvement of the utility model, the driving device comprises a key driving mechanism, the key driving mechanism comprises a key jack for inserting a key and a key driving sheet driven by the key, and the key driving sheet is connected with the transmission mechanism and drives the main bolt to reciprocate through the transmission mechanism.

As a further improvement of the utility model, the transmission mechanism comprises a transmission gear, and the key driving piece is connected with the main lock tongue through the transmission gear and drives the main lock tongue to do reciprocating linear motion.

As a further improvement of the utility model, the key driving sheet is connected with the transmission gear through a key shifting sheet, and the key shifting sheet is provided with a gear part matched with the transmission gear.

As a further improvement of the utility model, the key plectrum is provided with two supporting legs which are convenient for being driven by the key driving piece, and the key driving piece is matched with the supporting legs and drives the transmission gear to rotate through the supporting legs.

As a further improvement of the utility model, the key plectrum is hinged on the lock body, and the two leg parts are arranged in an arc shape.

As a further improvement of the utility model, the transmission mechanism comprises a poking ring, and the transmission gear is connected with the main lock tongue through the poking ring.

As a further improvement of the utility model, the toggle ring is provided with a driving groove, the transmission gear is provided with a transmission block, and the transmission block is arranged in the driving groove and is provided with a rotating gap with the inner wall of the driving groove.

As a further improvement of the utility model, the toggle ring is provided with a toggle block, and the toggle block has a first state of interlocking the main bolt when the main bolt extends out of the lock body, a second state of being unlocked by the toggle ring and driving the main bolt to reciprocate relative to the lock body, and a third state of interlocking the main bolt when the main bolt is retracted into the lock body.

As a further improvement of the utility model, the toggle ring and the transmission gear are coaxially arranged, the lock body is internally provided with a latch bolt, a latch bolt limiting piece and a latch bolt driving plate, the latch bolt driving plate is connected with the latch bolt through the latch bolt limiting piece, and the transmission gear is provided with a retaining shoulder for driving the latch bolt driving plate to act.

The utility model has the advantages that the position change of the main lock tongue can be reliably driven by the driving device and the transmission mechanism, the main lock tongue can be unlocked, the main lock tongue can extend out of the lock body to be interlocked, and the main lock tongue is simple in action and reliable in interlocking. The utility model also has the advantages of simple structure, convenient assembly, reliable action, long service life and the like.

Drawings

Fig. 1 is a schematic structural view of a main bolt 2 in a first position according to an embodiment of the present invention.

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

Fig. 3 is a schematic structural view of the main bolt 2 retracted into the lock body according to the embodiment of the present invention.

FIG. 4 is a schematic diagram of the configuration of the embodiment of the present invention in which the latch tongue is re-interlocked.

Fig. 5 is a schematic diagram of the exploded structure of fig. 1.

Fig. 6 is a schematic structural view of the transmission gear 41 in fig. 5.

In the figure, 1, a lock body; 2. a main bolt; 3. a drive device; 4. a transmission mechanism; 41. a transmission gear; 411. a transmission block; 412. a shoulder block; 42. a dial ring; 421. a drive slot; 422. a shifting block; 5. A key drive mechanism; 51. a key insertion hole; 52. a key driving piece; 6. a key pick; 61. a gear portion; 62. a leg portion; 7. a latch bolt; 8. a latch bolt limiting part; 9. oblique tongue drive plate.

Detailed Description

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

as shown in fig. 1 and fig. 2-6, an electronic lock locked by a mechanical key includes a lock body 1 and a main bolt 2, wherein 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, and 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 driven by the driving device 3 to retract into the lock body 1 after unlocking. The utility model has the advantages that the position change of the main lock tongue can be reliably driven by the driving device and the transmission mechanism, the main lock tongue can be unlocked, the main lock tongue can extend out of the lock body to be interlocked, and the main lock tongue is simple in action and reliable in interlocking. The utility model also has the advantages of simple structure, convenient assembly, reliable action, long service life and the like.

The driving device 3 comprises a key driving mechanism 5, the key driving mechanism 5 comprises a key jack 51 for inserting a key and a key driving sheet 52 driven by the key, the key driving sheet 52 is connected with the transmission mechanism 4 and drives the main bolt 2 to reciprocate through the transmission mechanism 4, and the reliable locking can be realized by a mechanical key, so that the product safety is higher.

The transmission mechanism 4 comprises a transmission gear 41, and the key driving piece 52 is connected with the main bolt 2 through the transmission gear 41 and drives the main bolt 2 to do reciprocating linear motion. Specifically, the key driving piece 52 is connected with the transmission gear 41 through the key moving piece 6, and the key moving piece 6 is provided with a gear part 61 matched with the transmission gear 41. The structure enables the product to move more stably and reliably, the key driving piece can reliably drive the product to be locked, the structure is simple, the assembly is convenient, the gear meshing mode is adopted to drive the main spring bolt to move, the transmission torque force is large, and the transmission is reliable.

The key driving piece 6 is provided with two leg parts 62 which are convenient for the driving of the key driving piece 52, and the key driving piece 52 is matched with the leg parts 62 and drives the transmission gear 41 to rotate through the leg parts 62. Specifically, the key pick 6 is hinged to the lock body 1, and the two leg portions 62 are arranged in an arc shape. The structure can facilitate the key plectrum to reliably drive the main lock tongue to move, avoid interference, and simultaneously enable the key driving mechanism to be quickly attached to the key plectrum to drive the main lock tongue to move, so that the product transmission is quick, convenient and reliable.

The transmission mechanism 4 comprises a dial ring 42, and the transmission gear 41 is connected with the main bolt 2 through the dial ring 42. Specifically, the dial ring 42 is provided with a driving groove 421, the transmission gear 41 is provided with a transmission block 411, and the transmission block 411 is arranged in the driving groove 421 and has a rotation gap with the inner wall of the driving groove 421. The structure enables the transmission gear to reliably drive the toggle ring to move, and the transmission gear can be driven by the latch bolt driving plate to slightly return after the toggle ring drives the main latch bolt to move in place, so that the latch bolt can be reliably locked, the interlocking is reliable, and the interlocking of the main latch bolt is not influenced.

The toggle ring 42 is provided with a toggle block 422, and the toggle block 422 has a first state for interlocking the main bolt 2 when the main bolt 2 extends out of the lock body, a second state for driving the main bolt 2 to perform reciprocating motion relative to the lock body 1 by the drive of the toggle ring 42, and a third state for interlocking the main bolt 2 when the main bolt 2 retracts into the lock body 1. By the structure, the main bolt can realize reliable interlocking at the first position (during use) and the second position (initial state), so that the door lock is prevented from being unlocked and opened by people from the outside and the false action of the safety bolt extending out when the door is closed can also be avoided. Specifically, the toggle ring 42 and the transmission gear 41 are coaxially arranged, the lock body 1 is internally provided with a latch bolt 7, a latch bolt limiting piece 8 and a latch bolt driving plate 9, the latch bolt driving plate 9 is connected with the latch bolt 7 through the latch bolt limiting piece 8, and the transmission gear 41 is provided with a blocking shoulder 412 for driving the latch bolt driving plate 9 to move. 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. Further description is made with reference to the accompanying drawings: when the key is shown in the attached figure 1, namely when the main lock tongue is completely stretched out to be positioned at the first position, the mechanical key rotates in the forward direction, the key driving piece is stirred to drive the transmission gear to rotate in the reverse direction through the key stirring piece, and the main lock tongue is driven to retract to the edge of the latch tongue driving plate (shown in figure 2); the mechanical key continues to rotate in the forward direction, the transmission gear rotates in the reverse direction, at the moment, the oblique tongue limiting piece is unlocked through the oblique tongue driving plate until the oblique tongue is completely opened, the main lock tongue completely enters the lock body, and the door opening is completed (as shown in fig. 3); when the door is opened, the latch bolt comes out of the lock body, the latch bolt limiting piece is linked, so that the latch bolt limiting piece returns to the original position, and the door is opened (as shown in fig. 4), and the latch bolt are divided into the prior art and are not described in detail again.

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 present invention has been described in terms of the above embodiments, the inventive concepts are not limited to the embodiments, and any modifications that utilize the inventive concepts are intended to be included within the scope of the appended claims.

Claims

1. An electronic lock capable of being locked by a mechanical key comprises a lock body (1) and a main bolt (2), and is characterized in that a driving device (3) is arranged on the lock body (1), 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) is provided with 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 unlocking, the driving device (3) comprises a key driving mechanism (5), the key driving mechanism (5) comprises a key jack (51) for inserting the key and a key driving sheet (52) driven by the key, the key driving sheet (52) is connected with the transmission mechanism (4) and drives the main bolt (2) to reciprocate through the transmission mechanism (4), the transmission mechanism (4) comprises a transmission gear (41), a key driving piece (52) is connected with the main lock tongue (2) through the transmission gear (41) and drives the main lock tongue (2) to do reciprocating linear motion, the key driving piece (52) is connected with the transmission gear (41) through a key shifting piece (6), a gear part (61) matched with the transmission gear (41) is arranged on the key shifting piece (6), two supporting feet (62) driven by the key driving piece (52) conveniently are arranged on the key shifting piece (6), the key driving piece (52) is matched with the supporting feet (62) and drives the transmission gear (41) to rotate through the supporting feet (62), the key shifting piece (6) is hinged on the lock body (1), and the two supporting feet (62) are arranged in an arc shape.

2. An electronic lock lockable by a mechanical key according to claim 1, characterized in that the transmission mechanism (4) comprises a dial ring (42), and the transmission gear (41) is connected with the main bolt (2) by the dial ring (42).

3. An electronic lock locked by a mechanical key according to claim 2, wherein the toggle ring (42) is provided with a driving groove (421), the transmission gear (41) is provided with a transmission block (411), and the transmission block (411) is arranged in the driving groove (421) and has a rotation gap with the inner wall of the driving groove (421).

4. An electronic lock locked by a mechanical key according to claim 2, characterized in that the dial ring (42) is provided with a dial block (422), and the dial block (422) has a first state of interlocking the main bolt (2) when the main bolt (2) extends out of the lock body, a second state of being unlocked by the dial ring (42) and driving the main bolt (2) to reciprocate relative to the lock body (1), and a third state of interlocking the main bolt (2) when the main bolt (2) retracts into the lock body (1).

5. The electronic lock locked by a mechanical key according to claim 2, wherein the toggle ring (42) is coaxially arranged with the transmission gear (41), the lock body (1) is internally provided with a latch bolt (7), a latch bolt limiting member (8) and a latch bolt driving plate (9), the latch bolt driving plate (9) is connected with the latch bolt (7) through the latch bolt limiting member (8), and the transmission gear (41) is provided with a stop shoulder (412) for driving the latch bolt driving plate (9) to move.