CN201614810U

CN201614810U - Three gear transmission mechanism of mortice door lock

Info

Publication number: CN201614810U
Application number: CN2010200007421U
Authority: CN
Inventors: 谢若鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-01-13
Filing date: 2010-01-13
Publication date: 2010-10-27
Anticipated expiration: 2020-01-13

Abstract

The utility model discloses a three gear transmission mechanism of a mortice door lock; a combined square core capable of upwards lifting, downwards pressing and rotating a door and handles outside the door, a middle gear playing the role of transmission and a lock core gear which can be stirred by an externally-mounted double-section type lock are arranged between a latch bolt and a square bolt on the bottom shell of a lock body. The lock body provided with the three gear transmission mechanism of the mortice door lock can lead the square bolt to be popped out so as to lock when using the handle outside the door to upwards lift and rotate so as to lock, and can lead the latch bolt and the square bolt to be together retracted so as to unlock when using the handle inside the door to downwards press and rotate; the three gear transmission mechanism of the mortice door lock can conveniently unlock and lock the lock body, has excellent safety and does not need steering when a left door and a right door are installed.

Description

A kind of three gear drives of mortise door lock

Technical field

The utility model relates to a kind of mortise lock body, particularly by putting the transmission mechanism that press to rotate with the handle formula mortise door lock of the locking of realizing oblique tongue and square tongue and unlatching on the handle.

Background technology

Mortise door lock generally all is made up of oblique tongue and square tongue and opening mechanism thereof, and traditional mortise door lock is to open oblique tongue with key operated side's tongue, handle, and is more loaded down with trivial details during use, and the easy stressed bending of key; Fireproofing door lock also requires not use key in door and can open oblique tongue and square tongue fast; Electronic lock (except that the state of emergency) does not use key locking side tongue.In the door outdoors the difference of function of use make mortise lock body must distinguish L.H.flapped door and R.H.flapped door, this also brings inconvenience to user buying.

The utility model content

In order to overcome the deficiencies in the prior art, the utility model provides a kind of three gear mechanisms of mortise door lock, and that the door lock that this three gear structures are housed is opened is convenient, durable in use, need not commutate when installation L.H.flapped door and R.H.flapped door.

In order to solve the problems of the technologies described above, the utility model provides following technical scheme:

A kind of three gear drives of mortise door lock, tiltedly being provided with between tongue and the square tongue on the lock body drain pan can be for putting the idler gear of pressing the combination Fang Xin that rotates, a gearing on door and the door outer handle and can being adorned the lock core gear that the two-part tapered end is stirred outward.

Further be improved to, described combination Fang Xin comprises the last oblique tongue plectrum and the declivity tongue plectrum that axially are hinged on the lock body drain pan, be hinged on third side's core in core centre position, combination side and be enclosed within wobble gear outside third side's core, and this four part passes through the axial hinged combination in circular cylindrical projection concave station rank.

Moreover described wobble gear inner ring is established the arc keyway.

Moreover the circular hole outer rim downside of described third side's core is inlaid with cylindrical pins

Moreover, establish circular hole in the middle of the described idler gear, the tooth of symmetrical distribution is established in both sides up and down.

Moreover described lock core gear center is provided with rectangular groove; Be respectively equipped with the annulus boss hinged on the top and bottom vertically of described lock core gear with the lock body drain pan; On the arc surface of one side of described lock core gear, axial along lock core gear, be provided with the crank and the tooth that are arranged above and below.

Moreover, establish cylindrical pins on the described crank.

Thereby the lock body that the utility model three gear drives are installed is done with door outer handle to carry when rotating and can the side's of making tongue ejection be made locking, thereby when pressing down rotation oblique tongue and square tongue are withdrawn together lock is left with the door Internal handle, the unlatching locking is convenient, safety is good, and need not commutate when L.H.flapped door and R.H.flapped door are installed.

Description of drawings

Accompanying drawing is used to provide further understanding of the present utility model, and constitutes the part of manual, is used from explanation the utility model with embodiment one of the present utility model, does not constitute restriction of the present utility model.In the accompanying drawings:

Fig. 1 is the door lock opening structural representation of three gear drives of the utility model mortise door lock;

Fig. 2 is the door lock locking states structural representation of three gear drives of the utility model mortise door lock;

Fig. 3 is that the combination Fang Xin of three gear drives of the utility model mortise door lock splits knot 5 structure schematic diagrames;

Fig. 4 is idler gear, lock core gear and the square tongue modular construction schematic diagram of three gear drives of the utility model mortise door lock;

Mark among Fig. 1-4 is illustrated as, tiltedly tongue assembly 1, square tongue assembly 2, combination side's core 3, idler gear 4, lock core gear 5, torsion spring 6, lock panel 7, lock body drain pan 8, U-shaped support 9, U-shaped groove 2a, elongated slot 2b, torsion spring 2c, last oblique tongue plectrum 3a, third side's core 3b, wobble gear 3c, declivity tongue plectrum 3d, handle square rod 3e, handle square rod 3f, re-entrant angle 3a1, single spline boss 3b1, arc keyway 3c1, cylindrical pins 3c2, tooth 3c3, re-entrant angle 3d1, circular hole 4a, tooth 4b, tooth 4c, rectangular groove 5a, tooth 5b, crank 5c, cylindrical pins 5d.

The specific embodiment

Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the utility model, and be not used in qualification the utility model.

Embodiment 1

As Fig. 1-shown in Figure 4, a kind of three gear drives of mortise door lock, it comprises on the lock body drain pan that tiltedly be provided with between the tongue 1 and square tongue 2 can be for putting the idler gear 4 of pressing combination side's core 3 of rotating, a gearing on door and the door outer handle and can being adorned the lock core gear 5 that the two-part tapered end is stirred outward.

The side's of combination core 3 comprises the last oblique tongue plectrum 3a and the declivity tongue plectrum 3d that axially are hinged on the lock body drain pan, be hinged on third side's core 3b in core centre position, combination side and be enclosed within the wobble gear 3c in third side's core outside, and this four part is by the axial hinged combination in circular cylindrical projection concave station rank.Wobble gear 3c inner ring is established arc keyway 3c1, and the circular hole outer rim downside of third side's core is inlaid with cylindrical pins 3c2.Going up oblique tongue plectrum 3a and declivity tongue plectrum 3d is that the similar shape part also is casting forming, the retraction movement that is used to stir oblique tongue assembly 1; Third side's core 3b is a casting forming, and single spline boss 3b1 is inserted among the arc keyway 3c1 of wobble gear 3c and does two-way stirring, and the center square hole is used to transmit the torsion that handle

square rod

3e, 3f rotate; Wobble gear 3c is a casting forming, and center hole is inserted in by third side's core 3b, and circular hole outer rim downside is inlaid with cylindrical pins 3c2, keeps supplying the stirring of re-entrant angle 3al, 3dl of declivity tongue plectrum; The fan shape outer rim is provided with tooth 3c3, and itself and idler gear 4 mesh.

Establish circular hole 4a in the middle of the idler gear 4, tooth 4b, the tooth 4c of symmetrical distribution established in both sides up and down.Idler gear 4 is a casting forming, and center hole 4a is inserted on the riveted joint axle of lock body drain pan 8, and the tooth 4b of bilateral symmetry distribution and 4c mesh with wobble gear 3c3 and lock core gear 5b respectively up and down.

Lock core gear 5 centers are provided with rectangular groove 5a, and lock core gear 5 top and bottom are respectively equipped with the annulus boss hinged with the lock body drain pan; On the arc surface of one side of lock core gear, axial along lock core gear, be provided with the crank 5c and the tooth 5b that are arranged above and below; Establish cylindrical pins 5d on the crank 5c.Lock core gear 5 is a casting forming, and the annulus boss is hinged on the lock body drain pan 8 up and down, and the rectangular groove 5a in center inserts for the sword iron of outer dress two-part tapered end, and the thickness as outside center of crank 5c has groove, and the groove surface center is inlaid with can be for the cylindrical pins 5d that hangs torsion spring; The torsion spring 2c side of making tongue on side's tongue assembly 2 moves has elasticity, and elongated slot 2b is inserted on the riveted joint axle of lock body drain pan 8, and downside U-shaped groove 2a stirs for the crank 5c of lock core gear 5, and square tongue front end is inserted in the square bolt hole of lock panel 7.

Tiltedly the U-shaped support 9 on the tongue assembly 1 is subjected to oblique tongue plectrum 3a and stirring of declivity tongue plectrum 3d and moves horizontally, and realizes the locking and the open function of oblique tongue; Side's tongue assembly 2 is subjected to directly stirring of lock core gear 5 crank 5c, handle inserts combination side's core 3 and does to put the transmission of passing through idler gear 4 and lock core gear 5 when pressing rotation, make the crank 5c side of the stirring tongue 2 of lock core gear 5 move horizontally the locking of the side's of realization tongue and open function.

The transmission principle that door outer handle is locked a door is: the square rod 3e of door outer handle only is inserted into till the oblique tongue plectrum 3a, as shown in Figure 1, when door lock is in opening, only driving oblique tongue plectrum 3a when proposing rotation on door outer handle is done rotates counterclockwise, plectrum re-entrant angle 3al hooks the cylindrical pins 3c2 on the wobble gear 3c and transmits torsion, transmission by idler gear 4 rotates counterclockwise lock core gear 5, U-shaped groove 2a on the crank 5c side of the promotion tongue assembly 2 of lock core gear, make it reach locked position and the side's of withstanding tongue under the active force of torsion spring 6, the side's of making tongue can not be return, thereby makes door lock be in as shown in Figure 2 locking states.

The transmission principle that the door Internal handle opens the door is: door inner handle square rod 3f inserts declivity tongue plectrum 3d, till third side's core 3b; When door lock is in locking states shown in Figure 2, the door Internal handle presses down rotation, make the re-entrant angle 3dl of declivity tongue plectrum 3d hook the cylindrical pins 3c2 on the wobble gear 3c and transmit torsion, wobble gear 3 is clockwise rotated, transmission by idler gear 4 clockwise rotates lock core gear 5, U-shaped groove 2a on the crank 5c side of the promotion tongue assembly 2 of lock core gear 5, make it be withdrawn into the enable possition and under the active force of torsion spring 6 side's of making tongue 2 can not become flexible, promptly door lock is in opening as shown in Figure 1.

Door lock when commutation, handle square rod 3e is inserted declivity tongue plectrum 3d, oblique tongue plectrum 3a and third side's core 3b in another handle square rod 3f insertions just can realize that door outer handle opens the function of oblique tongue 1 and square tongue 2, the purpose that need not commutate when reaching the installation door lock.

The operating principle of three gear drives of the utility model mortise door lock is: mortise door lock is under opening, and the square rod of door outer handle insertion upward oblique tongue plectrum is also proposed drive wobble gear when rotating, idler gear and lock core gear rotation and square tongue is dialed out to locked position in the enforcement; When door lock was in locking states, an inner handle square rod inserted declivity tongue plectrum and third side's core and implements to press down to rotate and just can drive wobble gear, idler gear and lock core gear rotation, thereby oblique tongue and square tongue are recovered to the enable possition together.During to change place, the unlatching of lock body and locking function are just in time opposite with door outer handle and door Internal handle, can control dead bolt and close and open so reached to put on the handle to press to rotate, and the purpose that when L.H.flapped door and R.H.flapped door are installed, need not commutate.

Claims

1. three gear drives of a mortise door lock is characterized in that: tiltedly being provided with between tongue and the square tongue on the lock body drain pan can be for putting the idler gear of pressing the combination Fang Xin that rotates, a gearing on door and the door outer handle and can being adorned the lock core gear that the two-part tapered end is stirred outward.

2. three gear drives of mortise door lock according to claim 1, it is characterized in that: described combination Fang Xin comprises the last oblique tongue plectrum and the declivity tongue plectrum that axially are hinged on the lock body drain pan, be hinged on third side's core in core centre position, combination side and be enclosed within wobble gear outside third side's core, and this four part passes through the axial hinged combination in circular cylindrical projection concave station rank.

3. three gear drives of mortise door lock according to claim 2, it is characterized in that: described wobble gear inner ring is established the arc keyway.

4. three gear drives of mortise door lock according to claim 2, it is characterized in that: the circular hole outer rim downside of described third side's core is inlaid with cylindrical pins

5. three gear drives of mortise door lock according to claim 1 is characterized in that: establishes circular hole in the middle of the described idler gear, the tooth of symmetrical distribution is established in both sides up and down.

6. three gear drives of mortise door lock according to claim 1, it is characterized in that: described lock core gear center is provided with rectangular groove; On the top and bottom vertically of described lock core gear, be respectively equipped with the annulus boss hinged with the lock body drain pan; On the arc surface of one side of described lock core gear, axial along lock core gear, be provided with the crank and the tooth that are arranged above and below.

7. three gear drives of mortise door lock according to claim 6 is characterized in that: establish cylindrical pins on the described crank.