CN101012716A - An electronic door lock adopting tooth transmission lock cylinder - Google Patents

Abstract

The invention relates to an electronic door lock adopting a tooth transmission lock core. The lock comprises a lock box and a lock frame plate, wherein an electronic transmission mechanism and a mechanical lock core mechanism are arranged in the lock box, and the electronic transmission mechanism mainly comprises a power supply, a circuit board, a micro motor linkage device and a lock clamping shaft connected with the micro motor linkage device; the mechanical lock core mechanism comprises a handle rotating sleeve movably inserted between a lock bottom plate and a lock top plate, a main lock tongue and an auxiliary lock tongue, one end of a lock clamping shaft is inserted in a lock clamping hole of the rotating sleeve, a tooth transmission mechanism is further arranged between the main lock tongue and the auxiliary lock tongue, and the traditional complex transmission mechanism is replaced by a simple tooth transmission structure.

Description

An electronic door lock adopting tooth transmission lock cylinder

technical field

The invention relates to the technical field of electronic door locks, in particular to an electronic door lock using a gear-driven lock cylinder.

Background technique

With the development of the lock industry, various electronic door locks emerge in an endless stream. Because electronic door locks are more convenient to use, they are widely used in various fields. At present, there are many types of electronic door locks sold in the market, and the electronic door locks of various structures have their own characteristics. However, the existing electronic door locks with two interlocking bolts often have many parts, complex structures, and low reliability. Good, high cost. In view of this, it is necessary to provide a novel structure to reduce components and simplify the connecting device, thereby improving the reliability of the electronic door lock and saving production costs.

Contents of the invention

The object of the present invention is to provide a double-bolt electronic door lock with simple and novel structure, simple and reliable transmission device and adopting tooth transmission lock cylinder for the disadvantages of the prior art.

In order to achieve the above object, the present invention includes a lock box and a lock frame plate. An electronic transmission mechanism and a mechanical lock cylinder mechanism are arranged in the lock box. The electronic transmission mechanism is mainly composed of a power supply, a circuit board, a micro-motor linkage and a lock card connected The mechanical lock core mechanism includes a handle sleeve, a main lock tongue and a secondary lock tongue that are movably inserted between the lock bottom plate and the lock top plate. One end of the lock shaft is inserted into the lock hole of the handle sleeve. A transmission fork that can rotate with it is set on the upper sleeve of the handle; the lock head of the main bolt is correspondingly inserted into the lock hole on the lock frame plate, and the lock body of the main bolt is corresponding to the bottom plate of the lock box. The guide groove is inserted into the movable positioning, and a return spring is connected between its tail and the corresponding side panel of the lock box; the auxiliary bolt is arranged parallel to the main bolt, and the lock head of the auxiliary bolt is inserted into the corresponding lock on the lock frame plate. In the hole, the lock body of the auxiliary bolt is inserted into the guide groove corresponding to the bottom plate of the lock box for movable positioning, and the lock body of the auxiliary bolt is also connected with the two-way spring fixed in the lock box; the fork of the transmission fork on the handle sleeve The head hangs on the card position on the main bolt, and a tooth transmission mechanism is also provided between the main bolt and the auxiliary bolt. The tooth transmission mechanism consists of the main gear arm and its socketed first rotating shaft and auxiliary gear arm. The main gear arm is in the shape of a gear with gear teeth on one side, and a main transmission arm is formed on the other side. The central hole of the main gear arm is movably inserted between the lock bottom plate and the lock top plate. The first rotating shaft is socketed; the auxiliary gear arm is also in the shape of a gear with gear teeth on one side, and a pair of transmission arms is formed on the other side. The center of the auxiliary gear arm has a non-circular hole and is movably inserted between the lock bottom plate and the lock top plate. The shaft head of the corresponding shape of the second rotating shaft is socketed; the main gear arm and the auxiliary gear arm are meshed with each other through the gear teeth. The secondary transmission arm of the secondary gear arm and the protrusion on the secondary deadbolt lock body are in a transmission-movable engagement structure.

After adopting the above structure, the linkage between the main lock tongue and the auxiliary lock tongue is realized through the tooth transmission mechanism, and the return spring is used to automatically reset the main lock tongue. less, simple structure, reduced production costs, and improved the reliability of the lock cylinder; on the other hand, the lock head of the main bolt is an oblique lock head that can be inserted in reverse, so the electronic door lock can be installed in the door The left side can also be installed on the right side of the door after the lock head is reversed. In addition, the electronic door lock of the present invention also has a backup function for unlocking with a mechanical key, a self-locking device for preventing illegal unlocking by inserting a card, and a hand-held secondary deadbolt with reversed handle. The function of locking the door. Therefore, the electronic door lock of the present invention has the characteristics of fewer transmission parts, simple structure, high reliability, low cost, complete functions, and one lock with two functions.

Description of drawings

Fig. 1 is a schematic view of the front structure of the present invention.

Fig. 2 is a three-dimensional exploded view of the mechanical lock cylinder of the present invention.

Fig. 3 is a schematic perspective view of the self-locking device of the present invention.

Fig. 4 is an exploded schematic view of the three-dimensional structure of the present invention.

Fig. 5 is a schematic diagram of the three-dimensional structure of the present invention.

Detailed ways

As shown in the accompanying drawings 1 to 5, the present invention includes a lock box 1 and a lock frame plate 2, an electronic transmission mechanism and a mechanical lock core mechanism are arranged in the lock box 1, and the electronic transmission mechanism is mainly composed of a power supply 3 and a circuit board 4. , a micro-motor linkage device 5 and a lock shaft connected thereto; the mechanical lock cylinder mechanism includes a handle sleeve 6 movably inserted between the lock bottom plate and the lock top plate, the main lock tongue 7 and the auxiliary lock tongue 8, and the lock lock shaft One end of the handle is inserted into the locking hole of the handle sleeve 6, and a transmission fork 9 that can rotate with it is sleeved on the handle sleeve 6; the lock head 7a of the main bolt 7 is correspondingly inserted into the lock In the lock hole on the frame plate 2, the lock body 7b of the main bolt 7 is inserted into the guide groove corresponding to the lock box bottom plate for movable positioning, and a return spring 7c is connected between its tail and the corresponding lock box side panel; 8 is arranged in parallel beside the main bolt 7, the lock head 8a of the auxiliary bolt 8 is inserted into the corresponding lock hole on the lock frame plate 2, and the lock body 8b of the auxiliary bolt 8 is inserted into the corresponding guide groove on the bottom plate of the lock box Active positioning, the lock body 8b of the auxiliary bolt 8 is also connected with the bidirectional spring 8c fixed in the lock box 1; 7d, between the main lock tongue 7 and the auxiliary lock tongue 8, a gear transmission mechanism is also provided. The second rotating shaft 13 is made up of, and main gear arm 10 is the gear shape of belt gear tooth on one side, and a main transmission arm 10a is formed on the other side, and the center of main gear arm 10 is opened round hole and is movably inserted between the lock bottom plate and the lock top plate. The first rotating shaft 11 is socketed; the auxiliary gear arm 12 is also in the shape of a gear with gear teeth on one side, and a pair of transmission arms 12a is formed on the other side. The center of the auxiliary gear arm 12 has a non-circular hole and is movably connected to the lock bottom plate and the lock top plate. The shaft head of the corresponding shape of the second rotating shaft 13 between them is socketed; the main gear arm 10 and the auxiliary gear arm 12 are meshed with each other through the gear teeth. The step-shaped clamping position 7e on the body 7b, and the secondary transmission arm 12a of the secondary gear arm 12 and the protrusion 8d on the secondary deadbolt 8 lock body 8b are in a transmission-movable engagement structure. The lock head 7a and the lock body 7b of the main bolt 7 are two parts that are plugged and formed with each other, and the lock head 7a of the main bolt 7 is a reversible plug-in oblique lock head. The oblique lock head is a variable oblique lock head that prevents the card from being violently inserted into the lock.

The handle swivel 6 is composed of a front inserting swivel 6a, a swivel body 6b, and a rear inserting swivel 6c. The bottom of the front inserting swivel 6a with a handle jack in the center is inserted into the jack of the lock base plate, and the upper part The connecting key 6a1 and the arc-shaped convex edge 6b1 on the bottom surface of the rotary sleeve body 6b are inserted into each other, and the transmission fork 9 is set on the outside of the front inserting rotary block 6a; the top of the rear inserting rotary block 6c is plugged into the socket of the lock top plate Inside, the lower part of the rear inserting swivel block 6c is inserted in the socket at the center of the swivel body 6b and the connecting key 6c1 at the bottom of the rear inserting swivel block 6c is inserted into the arc-shaped gap 6b2 in the socket of the swivel body 6b; An arc-shaped dial 6b3 is formed on the outer circumference of the swivel body 6b. When the lock is unlocked, the arc-shaped dial 6b3 is offset against the arc-shaped card edge 9b on the outer circle of the transmission fork 9 . A handle shift fork 14 is also sleeved above the swivel body 6b. When the auxiliary bolt 8 is in the unlocked state, the fork of the handle shift fork 14 abuts against the other end of the main transmission arm 10a of the main gear arm 10. side.

A set of self-locking device 15 is also housed in the lock box. This self-locking device 15 includes a self-locking head 15a, a stop fork 15b, a self-locking lever 15c and an "L" type unlocking lever 15d. The self-locking head 15a is inserted into the corresponding Connected in the self-locking hole on the lock frame plate, the lock body of the self-locking tongue 15a is inserted into the corresponding guide groove of the lock box bottom plate for movable positioning and is connected with a return spring, and the self-locking rod 15c is sleeved on a fixed column and its There is a button spring 15d that makes the rod head 15c1 turn against the back of the main bolt 7 lock head 7a; the stop fork 15b is inserted into the self-lock head 15a, and in the natural state, the short end 15b1 of the stop fork 15b is against On the inner side of the lock frame plate, the long end 15b2 of the stop fork 15b is against the protrusion 15c2 on the self-locking lever 15c; 15d2 abuts against the flange 6b4 on the handle swivel 6, and the other end abuts against the toggle arm 15c3 of the self-locking lever 15c.

A keyhole 11a is provided on the first rotating shaft 11 that is socketed by the main gear arm 10, and a pull arm 11b is formed on the first rotating shaft, and an "L"-shaped pull rod 16 is connected to the pull arm 11b at one end, and the other end is connected to the locking shaft. connect.

During use, the trigger circuit in the smart card trigger circuit board 3 is usually used to turn on the power supply 4 to supply power to the micro-motor linkage device 5, so that the locking shaft is extracted from the handle sleeve 6, and then the handle can be rotated. After the handle is driven When the inserting rotary block 6c rotates, and the rear inserting rotary block 6c drives the rotary sleeve body 6b to idle at a certain angle to reach the unlocking position, the arc-shaped dial 6b3 on the edge of the rotary sleeve body 6b drives the arc-shaped card edge 9b on the outer circle of the transmission fork 9 to rotate , the fork 9a of the transmission shift fork 9 pulls the main bolt 7 backward to compress the return spring 7c to slide backward to unlock, and at the same time, the stepped locking position 7e on the lock body 7b of the main bolt 7 moves the main gear arm 10 The main transmission arm 10a makes it rotate counterclockwise, and the secondary gear arm 12 rotates clockwise under the effect of tooth meshing, and the secondary transmission arm 12a on the secondary gear arm 12 pulls down the projection 8d on the secondary deadbolt 8 lock body 8b, Here the auxiliary transmission arm 12a is formed into a concave fork shape and the protrusion 8d on the auxiliary dead bolt 8 lock body 8b is formed into a column shape, and the shapes of the two can also be exchanged, that is, the auxiliary transmission arm 12a is formed into a lever shape, and the The protrusion 8d on the lock body 8b of the deadbolt 8 is formed into two spaced protrusions 8d so that the secondary gear arm 12a can easily move the secondary deadbolt 8 up and down, and then the secondary deadbolt 8 slides inward to unlock, and the two-way spring Under the effect of 8c, secondary dead bolt 8 unblanks and slides in place to unblank.

After unblanking, send handle, main dead bolt 7 resets automatically under the effect of back-moving spring 7c, when closing the door, can directly rotate the external switch on the second rotating shaft 13, make secondary dead bolt 8 reset under the effect of two-way spring 8c; Because the present invention has a handle function, therefore, when locking the door, the handle can also be rotated in the opposite direction, so that the rotating sleeve body 6b reverses to drive the handle shift fork 14 to rotate in reverse, and the handle shift fork 14 drives the main handle through the fork. The gear arm 10 rotates in the direction, and the secondary dead bolt 8 is lifted and resets the locked door by the gear transmission through the secondary gear arm 12 again.

When using a spare mechanical key to unlock, turn the key hole 11a on the first rotating shaft 11, pull the "L"-shaped pull rod 16 through the pull arm 11b, so that the "L"-shaped pull rod 16 is unlocked in conjunction with the lock card shaft, and then turn the handle Follow the steps above to unlock.

Because the lock head 7a and the lock body 7b of the main dead bolt 7 in the embodiment of the present invention are mutually inserted structures, therefore, the oblique lock head of the lock head 7a of the main dead bolt 7 can be reversed and installed, so that one lock can be used for two purposes. , that is, it can be installed on the left and right sides of the door; its oblique lock head is a variable oblique lock head, which can prevent illegal card insertion from unlocking.

In the embodiment of the present invention, a self-locking device 15 is also provided. When unlocking, the flange 6b4 on the rotating sleeve body 6b moves one end of the "L"-shaped unlocking lever 15d to make the "L"-shaped unlocking lever The other end of 15d stirs the toggle arm 15c3 of the self-locking lever 15c, and the self-locking lever 15c rotates to make its rod head 15c1 away from the back of the main bolt 7 lock head 7a to unlock; The head 15a is retracted, and when the self-locking head 15a is retracted, the stop fork 15b sleeved on it is loosened, so that the stop fork 15b removes the blocking effect on the self-locking rod 15c, and the self-locking rod 15c is in the position of the button spring 15d. Under the action, its rod head 15c1 is forwarded to the back of the lock head 7a of the main dead bolt 7 and locked. After the card is removed, the self-locking head 15c resets under the action of the back-moving spring, and the stop fork 15b resets the self-locking lever 15c again.

It can be seen from the above that the electronic door lock of the present invention has the characteristics of less transmission parts, simple structure, high reliability, low cost, complete functions, and one lock with two functions.

Claims (7)

1, a kind of electronic lock that adopts teeth transmission lock pin, include lock box and lock deckle board, be provided with electronics transmission mechanism and mechanical lock mechanism in lock box, the electronics transmission mechanism mainly is made of power supply, circuit board, micromachine linkage and connected pintle hook lock axle; Mechanical lock mechanism comprises that activity is plugged on handle pivoted housing, main dead bolt and the secondary dead bolt between bottom-locking plate and the lock top board, one end of pintle hook lock axle is plugged in the card locking hole of handle pivoted housing, it is characterized in that: being arranged with one on the described handle pivoted housing can be with the transmission shift fork of its rotation; The tapered end correspondence of described main dead bolt is plugged in the lockhole of lock on the deckle board, and the gathering sill grafting activity orientation that the lock body of main dead bolt is corresponding with the lock box base plate is connected with back-moving spring between its afterbody and the corresponding lock box side panel; Secondary dead bolt is set in parallel in by the main dead bolt, and the tapered end of secondary dead bolt is plugged in the lockhole corresponding on the lock deckle board, the gathering sill grafting activity orientation that the lock body of secondary dead bolt is corresponding with the lock box base plate, the lock body of secondary dead bolt also be fixed on lock box in bidirectional spring be connected; The jaw of the transmission shift fork on the handle pivoted housing supports in the screens that hangs on the main dead bolt, between main dead bolt and secondary dead bolt, also be provided with the tooth transmission mechanism, this tooth transmission mechanism is made up of first rotating shaft of master gear arm and socket thereof and second rotating shaft of pinion arm and socket thereof, the master gear arm is the gear-like of belt wheel tooth on one side, another side forms a main transmission arm, and circular hole and the movable first rotating shaft socket that is plugged between bottom-locking plate and the lock top board are opened in the center of master gear arm; The pinion arm also is the gear-like of belt wheel tooth on one side, and another side forms an auxiliary driving arm, and non-circular hole and the movable spindle nose socket that is plugged on the second rotating shaft correspondingly-shaped between bottom-locking plate and the lock top board are opened in the center of pinion arm; Master gear arm and pinion arm are meshing with each other by the gear teeth, during unlocking condition, the main transmission arm of master gear arm supports and is located in the notch cuttype screens on one's body of main dead bolt lock, but and the auxiliary driving arm of pinion arm and secondary dead bolt lock protruding position on one's body is the mutual movable interface arrangment of transmission.

2, a kind of electronic lock that adopts teeth transmission lock pin according to claim 1 is characterized in that: the tapered end of described main dead bolt and lock are as mutual insertion formed two parts, and the tapered end of main dead bolt is for can switch the oblique tapered end of grafting.

3, a kind of electronic lock that adopts teeth transmission lock pin according to claim 2 is characterized in that: described oblique tapered end is the variable oblique tapered end that prevents that the violence plug-in card from unblanking.

4, a kind of electronic lock that adopts teeth transmission lock pin according to claim 1, it is characterized in that: described handle pivoted housing is inserted switch block by preceding slotting switch block, pivoted housing body, back and is formed, the center has the preceding slotting switch block bottom of handgrip jack to be plugged in the jack of bottom-locking plate, the camber chimb of the connecting key on top and pivoted housing body bottom surface plugs together mutually, and the outside that the transmission shift fork is inserted switch block before being set in; The top that switch block is inserted in the back is plugged in the jack of lock top board, and the connecting key that the bottom that switch block is inserted in the back is plugged in the jack at pivoted housing body center and the switch block bottom is inserted in the back is plugged in the arc notch in the jack of pivoted housing body; Form an arc on the excircle of pivoted housing body and dial bar, during unlocking condition, the arc edge that arc is dialled on bar and the transmission shift fork cylindrical offsets.

5, a kind of electronic lock that adopts teeth transmission lock pin according to claim 4, it is characterized in that: above the pivoted housing body, also be arranged with a handle shift fork, when secondary dead bolt was in unlocking condition, the jaw of this handle shift fork supported the opposite side of the main transmission arm that is located at the master gear arm.

6, according to claim 1 or 2 or 3 or 4 or 5 described a kind of electronic locks that adopt teeth transmission lock pin, it is characterized in that: a cover self-locking device also is housed in lock box, this self-locking device includes self-locking head, backstop fork, self-lock rod and " L " type release driving lever, the self-locking head correspondence is plugged in the self-locking hole of locking on the deckle board, from the lock body of the dead bolt gathering sill grafting activity orientation corresponding with the lock box base plate and be connected with back-moving spring, self-lock rod is socketed in and is wound with one on the fixed leg and on it and makes its bar head change the button spring that is against main dead bolt tapered end back; Backstop fork sleeve is in self-locking head, and during nature, the weak point end of backstop fork is against lock deckle board inboard, and the long of backstop fork held on the projection that is against on the self-lock rod; " L " type release driving lever is socketed on another fixed leg, and the chimb on projection on the one end and the handle pivoted housing offsets, and the other end is against on the moving arm of self-lock rod.

7, according to claim 1 or 2 or 3 or 4 or 5 described a kind of electronic locks that adopt teeth transmission lock pin, it is characterized in that: in first rotating shaft of master gear arm socket, have keyhole, and first rotating shaft forms a torque arm, one " L " shape pull bar, one end is connected with this torque arm, and the other end is connected with the pintle hook lock axle.

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