WO2018014414A1

WO2018014414A1 - Multifunctional american-standard mortise lock structure

Info

Publication number: WO2018014414A1
Application number: PCT/CN2016/096683
Authority: WO
Inventors: 蒋念根
Original assignee: 浙江凯迪仕实业有限公司
Priority date: 2016-07-17
Filing date: 2016-08-25
Publication date: 2018-01-25
Also published as: CN106013961B; CN106013961A

Abstract

Disclosed is an American-Standard mortise lock, comprising a dead bolt assembly, a latch bolt assembly, a handle input assembly (1) and an electric motor assembly (2). The four assemblies are fitted in a lock body case. The electric motor assembly (2) and the handle input assembly (1) are connected to each other. The handle input assembly (1) respectively drives the latch bolt assembly and the dead bolt assembly. The electric motor assembly (2) comprises a clutch execution pin (21) connected to the handle input assembly (1). The handle input assembly (1) comprises an upper input dial (11), an upper latch bolt dial (12), a rotary clutch ring (13), a dead bolt dial (14), a lower latch bolt dial (15), a lower input dial (16) and a right and left interchangeable block (17), all rotatable around the same central axis.

Description

[Correct according to Rule 26 19.09.2016] A multifunctional American standard mortise lock

Technical field

The invention relates to the field of door locks, in particular to a multifunctional American standard mortise lock.

Background technique

There are currently five types of door locks in the world's main circulation lines, including British Standards, European Standards, American Standards (American Standards), Australian Standards, and Japanese Standards. These five standard door locks are used in many quantities. The American Standard A lock body is widely used, and is widely used in hotels, home offices and other occasions.

The current electronic mortise lock has two handles mounted on the lock body, one on the outside of the door and the other on the inside of the door. When the clutch is released, the handle outside the door is idling, the handle outside the door cannot be unlocked, and when the clutch is closed The lock can be unlocked by the handle outside the door. The principle of unlocking is: before the lock is unlocked, the clutch piece and the clutch body connected to the outer door handle of the lock body are idly connected, and the handle is in an idle state; when the lock is unlocked, the motor is driven by the electronic key through the circuit. The clutch structure in the lock body is controlled, and the clutch execution pin is pushed into the clutch body. At this time, the clutch piece connected with the outer door handle is connected with the clutch body, and the clutch piece and the clutch body are closed, and the handle outside the door can drive the clutch structure to rotate, clutching The structure then drives the pull rod in the lock body to pull the lock tongue, thereby opening the door.

At present, most of the American standard A locks used for mechanical locks and electronic door locks are one-way open door structures, and it is impossible to unlock the doors outside the door and the door respectively, and it is impossible to realize the function of lifting the lock door. The lock body is not universal in the direction of the left door opening and the right door opening direction. Even if a small part of the type of non-American standard lock body has the function of unlocking the handle, due to the structural limitation, the unlocking action of the inside and outside of the door cannot be performed separately. Function, and the lock body can not be universal in the left door opening direction and the right door opening direction, thus there are various disadvantages of inconvenience in production and use; the American standard lock body referred to herein is based on the American ANSI A156.13 test. The main feature of the standard lock body is that the opening size of the corresponding door is about 88mm from the center distance of the lock core hole to the handle center. When the old American standard lock body is updated, the original door opening is reserved. In order to achieve the best fit with the new lock body, a new American standard lock body must be developed, which has the following functions:

1. Realize the function of unlocking the door outside the door and the door; 2. Realizing the function of lifting the door by the handle; 3. Realizing the direction of the door opening left and right.

Summary of the invention

The object of the present invention is to provide a multifunctional American standard mortise lock. The device has the functions of opening and locking the door inside and outside the door, and simultaneously realizing the function of the large tongue lock door by lifting the handle, and realizing the left and right door opening direction of the lock body. With the universal function, the lock body can be widely applied to the electronic door lock and the mechanical door lock, and the function is complete and humanized.

The invention adopts the following technical solutions:

A multifunctional American standard mortise lock, in addition to a conventional one including a square tongue assembly and a tongue assembly, a handle input assembly, a motor assembly, the above four components are assembled in a lock body shell, and the motor assembly is connected to the handle input assembly The handle input assembly drives the skew tongue assembly and the square tongue assembly respectively; the motor assembly includes a clutch execution pin connected to the handle input assembly; the handle input assembly includes an upper input dial, an upper oblique tongue block, and a clutch that can rotate about the same central axis. a rotating ring, a square tongue block, a lower tongue piece, and a lower input block; the upper input block can separately drive the upper tongue block and the square tongue block; the lower input block can also be driven separately The tongue block and the square tongue block; the input dial block and the lower input dial block respectively drive the skew tongue assembly and the square tongue dial block to realize the unlocking action respectively in the door and the door; and the utility model can also be installed on the upper input dial The left or right interchange block is formed on the block or the lower input dial block, and the left and right interchange block is mounted on the upper input dial block when the door is opened, and the left and right interchange block is installed in the lower input dial when the door is opened right. On the left and right interchangeable thereby block the lock body so to complete the swap function to convert between the input block and the dial dial input block; the handle assembly is connected via an input link and the bolt assembly.

Specifically, the upper input block and the lower input block are respectively provided with a first limit edge and a second limit edge, and the first limit edge and the second limit edge can be combined with the clutch execution pin. When the first limit stop edge and the second limit stop edge are opposite to the clutch execution pin, when the outdoor handle is pressed, the upper input dial rotates clockwise or the indoor handle is pressed down, and the input input block rotates counterclockwise. The clutch execution pin can be toggled, and the clutch execution pin drives the clutch rotation ring to rotate together, and the third limit gear edge on the clutch rotation ring is offset from the fourth limit gear edge on the square tongue block, that is, the clutch rotation ring dials the square tongue The dial blocks rotate together.

Specifically, the fifth input edge on the upper input dial is opposite to the sixth edge on the upper oblique tongue block, and the outdoor handle is pressed to drive the upper input dial to rotate clockwise when the dial is rotated. Rotate clockwise, the first output end of the upper slanting tongue block moves the slanting tongue assembly.

The seventh input side of the lower input dial has an offset with the eighth edge of the lower oblique tongue block, and the inner handle is pressed downward to drive the lower input block to rotate counterclockwise, and the upper upper oblique tongue block can be reversed together The hour hand rotates, and the second output end of the lower slanting tongue block moves the slanting tongue assembly.

Specifically, the ninth edge of the upper input dial can be opposite to the tenth edge of the square tongue block, and when the square tongue does not play the lock body shell, the upper input dial rotates counterclockwise when the dial is rotated. The tongue block rotates, the square tongue block drives the link displacement, and the link drives the square tongue assembly to make a large tongue.

Specifically, the left and right interchangeable blocks on the lower input dial block can be opposite to the tenth edge of the square tongue block, and when the square tongue does not hit the lock body shell, the indoor handle is lifted and the lower input block rotates counterclockwise. When the dial is rotated, the square tongue block drives the link displacement, and the connecting rod drives the square tongue assembly to make a large tongue.

Further, when the door is opened to the right, the lower input dial is located at a position inside the mortise lock door, and the left and right interchange blocks are mounted on the lower input block, and the left and right interchange blocks are offset from the twelfth side of the clutch ring. When the indoor handle is pressed down, the input input block rotates counterclockwise to push the clutch rotation ring to drive the square tongue block, the square tongue block drives the link displacement, the displacement of the link drives the square tongue assembly, and the large tongue is retracted into the lock. The body shell, thereby realizing the unlocking action by opening the door in the drive door without the clutch.

Similarly, when the left door is opened, the upper input dial is located at the inner side of the mortise lock, and the left and right interchange blocks are mounted on the upper input block, and the left and right interchange blocks are offset from the twelfth side of the clutch ring. When the outdoor handle is pressed, the input input block rotates clockwise, and the clutch rotation ring is moved to drive the square tongue block, the square tongue block drives the link displacement, and the displacement of the link drives the square tongue assembly to retract the large tongue into the lock. The body shell, thereby realizing the unlocking action by opening the door in the drive door without the clutch.

Specifically, the motor assembly has a clutch actuator pin that is driven by the motor to move left and right. The clutch actuator pin is connected to the clutch rotation ring, and the clutch rotation ring has a slit type limit groove, and the clutch execution pin is in the narrow type limit slot. The inner movement realizes the clutch movement.

Specifically, in order to make the clutch actuator move more flexibly under the driving of the motor, to avoid jamming in a critical situation, the clutch actuator and the motor assembly include a projecting end, an elastic member, and an intermediate portion of the elastic member. The ends of the elastic member are connected at two ends, the first connecting end is inserted into the limiting hole on the lock body shell and moves radially in the center direction of the limiting hole, and the second connecting end is inserted into the clutch performing pin. The clutch execution pin has a through hole for inserting the second connecting end of the elastic member, thereby driving the elastic member to move left and right when the motor drives the extended end to move left and right, and the elastic member drives the clutch to execute the pin in the narrow limit slot. Move left and right.

Further, in order to ensure the directionality and stability of the pin displacement of the clutch, the clutch ring is divided into two upper and lower parts fixed together: an upper clutch ring and a lower clutch ring; the clutch execution pin is divided into an upper cylindrical portion, a middle cylindrical portion, and a lower portion. a cylindrical portion, the upper cylindrical portion is set in the upper clutch rotating ring, the lower cylindrical portion is set in the lower clutch rotating ring, the middle cylindrical portion is larger in diameter than the upper cylindrical portion and the lower cylindrical portion, and the middle cylindrical portion is located between the upper clutch rotating ring and the lower clutch rotating ring; The width of the narrow-shaped limiting groove is larger than the diameter of the upper cylindrical portion and the lower cylindrical portion of the clutch execution pin smaller than the diameter of the middle cylindrical portion.

Further, the mortise lock of the electronic mortice lock further includes a return spring for the mortise lock to be returned to the original position for the start of the next clutch drive cycle after the mortise lock is completed. The return spring includes a first connecting portion at two ends, a second connecting portion, and an intermediate reset portion. The clutch rotating ring has a cylindrical protruding portion, and the first connecting portion of the returning spring is fitted on the cylindrical protruding portion. The second connecting portion is sleeved on the protrusion of the lock body shell to fix the second connecting portion with respect to the lock body shell, the intermediate reset portion is spirally ring-shaped, and the first connecting portion forms a 60° relationship with the second connecting portion. ‐160°, the specific angle depends on the position of the protrusion on the lock body.

Because the above structure is adopted, the invention can simultaneously realize the opening and closing operations of the front and rear handles separately, and the front and rear handles can all be used to punch the large tongue lock door; the left and right opening direction lock body is realized by the detachable conversion installation design of the left and right interchangeable blocks. Public to achieve the purpose of the invention.

DRAWINGS

Figure 1 is a schematic view of the assembly of the present invention;

2 is a schematic view of a matching oblique tongue assembly and a square tongue assembly according to the present invention;

Figure 3 is a schematic view of the door lock state of the present invention;

Figure 4 is a schematic view showing the door opening state of the present invention;

Figure 5 is a cross-sectional view of the square tongue not shown;

Figure 6 is a cross-sectional view of the square tongue;

FIG. 7 is a schematic view of the left and right interchange block 17 being assembled on the lower input dial 16.

Legend: Handle input component 1, upper input block 11, first limit edge 111, fifth edge 112, ninth edge 113, upper oblique tongue block 12, sixth edge 121, first output 122, clutch ring 13, third limit side 131, twelfth side 132, narrow type limit groove 134, cylindrical protrusion 135, square tongue block 14, fourth limit side 141, tenth The flange 142, the lower tongue block 15, the eighth flange 151, the second output 152, the lower input block 16, the second limit edge 161, the seventh edge 162, the left and right interchange block 17, the motor Assembly 2, clutch execution pin 21, through hole 211, projecting end 22, elastic member 23, first connection end 231, second connection end 232, link 3, return spring 4, first connection portion 41, second connection The portion 42 and the intermediate reset portion 43.

Implementation

The present invention will be described below by referring to the accompanying drawings:

As shown in FIG. 1 , a multifunctional American standard mortise lock includes a square tongue assembly, a tongue assembly, and a handle input assembly 1 , a motor assembly 2 , and the above four components are assembled in a lock body shell, and the motor assembly 2 Connected to the handle input assembly 1, the handle input assembly 1 respectively drives the skew tongue assembly and the square tongue assembly; the motor assembly 2 includes a clutch actuator pin 21 coupled to the handle input assembly 1; the handle input assembly 1 includes an upper portion that is rotatable about the same central axis The dial block 11, the upper cleat block 12, the clutch rotating ring 13, the square tongue block 14, the lower oblique tongue block 15, the lower input dial block 16, and the left and right interchange block 17 are input.

In the case of the right door opening, the upper input dial 11 is connected to the front handle, and the front handle is externally pressed clockwise to open the door to drive the upper input block 11 to rotate clockwise; the lower input dial 16 is connected to the rear handle, and the rear handle chamber is rotated counterclockwise. The input input block 16 is rotated counterclockwise, and the upper input dial 11 and the lower input dial 16 are not connected.

In the case of the left door opening, the lower input dial 16 is connected to the front handle, and the front handle is pressed counterclockwise to open the door. The input dial block 16 rotates counterclockwise; the upper input dial block 11 is connected to the rear handle, and the rear handle chamber rotates clockwise to rotate the upper input dial block 11 to rotate clockwise, and the upper input dial block 11 and the lower input dial block 16 are not connected.

As shown in FIG. 2, in the locked door state of the right door opening situation, the large tongue protrudes from the lock body casing, and at this time, the door opening operation is performed, and the motor assembly 2 has a clutch execution pin 21 that is driven by the motor to move left and right, and the clutch rotation ring 13 has an elongated slot 134, the clutch actuator pin 21 is driven by the motor to move to the inner side of the slotted slot 134, and the clutch actuator pin 21 can drive the clutch ring 13, at which time the upper input block 11 is disposed. The first limit stop edge 111 and the first limit stop edge 111 are opposite to the clutch execution pin 21; when the door is opened rightward, when the outdoor handle is rotated clockwise, the upper input block 11 can be rotated clockwise to dial the clutch execution pin. 21, the clutch execution pin 21 drives the clutch rotating ring 13 to rotate together, and the third limiting gear edge 131 on the clutch rotating ring 13 abuts the fourth limiting edge 141 on the square tongue block 14, that is, the clutch rotating ring 13 dials the square tongue The dial block 14 rotates together, the square tongue block 14 drives the link 3 to displace, the link 3 drives the square tongue assembly to make a large tongue; at the same time, the upper input dial 11 has a fifth edge 112 and an upper oblique The sixth edge 121 on the tongue block 12 is offset, and the right door is in the room. When the outer handle rotates clockwise, the upper input dial 11 rotates clockwise, and the upper slanting tongue block 12 rotates clockwise. The upper slanting tongue block 12 has a first output end 122 for moving the slanting tongue assembly to move; When the door is opened, the clutch actuator pin 21 is driven and the input dial block 11 is driven to rotate clockwise to complete the unlocking operation.

In the same door opening state of the right door opening situation, the left and right interchange block 17 is mounted on the lower input block 16, and the lower input block 16 is provided with the second limit edge 161, and the second limit edge 161 is engaged with the clutch. The pin 21 is opposite to each other; when the door is opened in the counterclockwise direction when the door is opened in the counterclockwise direction, the clutch lever 16 can be turned counterclockwise to rotate the clutch actuator pin 21, and the clutch actuator pin 21 drives the clutch ring 13 to rotate together, and the clutch coil 13 has the first The third limit edge 131 is opposite to the fourth limit edge 141 of the square tongue block 14, that is, the clutch ring 13 is rotated by the square tongue block 14, and the lower input block 16 has the seventh gear. The edge 162 is opposite to the eighth edge 151 of the lower slanting tongue block 15, and when the door is opened by the counterclockwise rotation of the indoor handle when the door is opened, the lower slanting tongue block 12 can be turned counterclockwise when the lower input dial 16 is rotated counterclockwise. Rotating, the lower slanting tongue block 15 has a second output end 152 that moves the slanting tongue assembly.

In the same door opening state of the right door opening situation, if the motor does not get a signal, the clutch execution pin cannot be driven. 21 moves to the inner side of the narrow-shaped limiting groove 134 but stays outside the narrow-shaped limiting groove 134, then the first limiting edge 111 does not abut the clutching pin 21; when the door is opened right, the outdoor handle is clockwise When the rotation of the input input block 11 is rotated clockwise, the clutch execution pin 21 cannot be toggled, and the clutch execution pin 21 cannot rotate the clutch rotation ring 13 together, so that the square tongue block 14 cannot be driven to rotate together, that is, the large tongue cannot be dialed. At this time, the lower input dial 16 connected to the rear handle located in the room is rotated counterclockwise, although the clutch actuator 21 cannot be driven to drive the large tongue, but the left and right interchange block 17 is mounted on the lower input block 16, left and right. The interchangeable block 17 abuts the twelfth flange 132 of the clutch ring 13, and when the lower input block 16 rotates counterclockwise, the square tongue block 14 is dialed, and the square tongue block 14 drives the link 3 to displace, and the displacement of the link 3 The square tongue assembly is driven to retract the large tongue into the lock body casing, thereby realizing the unlocking operation by opening the door in the drive door without the clutch.

As shown in FIG. 3, in the case of the right door opening situation, the ninth gear edge 113 on the upper input dial 11 can be offset from the tenth edge 142 of the square tongue block 14, and the square tongue is not locked. In the case of the body shell, the handle placed on the outdoor unit drives the upper input block 11 to rotate counterclockwise, and the square tongue block 14 rotates, the square tongue block 14 drives the link 3 to displace, and the link 3 drives the square tongue assembly to make a large tongue. The state of Figure 2 is reached.

The left and right interchangeable blocks 17 on the lower input block 16 can be offset with the tenth edge 142 of the square tongue block 14. When the square tongue does not hit the lock body shell, the handle located in the room is driven by the upper input. When the dial block 16 rotates clockwise, the square tongue block 14 is rotated, the square tongue block 14 drives the link 3 to displace, and the link 3 drives the square tongue assembly to make the square tongue reach the state of FIG.

Similarly, when the left door is opened, the upper input block 11 is located at the inner side of the mortise lock, and the left and right interchange block 17 is mounted on the upper input block 11, and the left and right interchange block 17 and the clutch ring 13 are The twelve-speed edge 132 abuts, when the upper input block 11 rotates clockwise, the clutch rotating ring 13 is pushed to drive the square tongue block 14, the square tongue block 14 drives the link 3 to displace, and the displacement of the connecting rod 3 drives the square tongue assembly. The large tongue is retracted into the lock body shell, thereby realizing the unlocking action by opening the door in the drive door without the clutch.

Further, in order to make the clutch actuator 21 move more flexibly under the driving of the motor, to avoid jamming in a critical situation, the clutch actuator 21 and the motor assembly 2 include a projecting end 22 and an elastic member 23, which are elastic. The middle portion of the member 23 is connected to the projecting end 22, and the elastic member 23 has two connecting ends at two ends: the first connecting end 231 is inserted into the limiting hole on the lock body shell and radially moves in the center direction of the limiting hole. The second connecting end 232 is inserted into the clutch execution pin 21, and the clutch execution pin 21 has a through hole 211 for the second connecting end 232 of the elastic member 23 to be inserted, thereby driving the elastic member when the motor drives the extended end 22 to move left and right. When the 23 moves left and right, the elastic member 23 drives the clutch actuator pin 21 to move left and right in the elongated limit groove 134.

On the basis of the above embodiments, for the convenience of production, the left and right interchangeable block 17 is a threaded cylindrical pin at one end, and the upper input block 11 has a threaded hole for the cylindrical pin to be mounted.

On the basis of the above embodiments, for the convenience of production, the left and right interchangeable block 17 is a screw, and the upper input dial 11 has a threaded hole for screw mounting.

Further, for the mortise lock, after the driving operation is completed, the clutch execution pin 21 can be more smoothly returned to the original position for the start of the next clutch driving cycle, and the mortise lock of the electronic mortise lock further includes a reset. a spring 4, the return spring 4 includes a first connecting portion 41, a second connecting portion 42, and an intermediate reset portion 43 at both ends. The clutch rotating ring 13 has a cylindrical protruding portion 135, and the return spring 4 is connected first. The portion 41 is sleeved on the cylindrical protrusion 135, and the second connecting portion 42 is fitted on the protrusion of the lock body shell to fix the second connecting portion 42 with respect to the lock body shell, and the intermediate reset portion 43 is a spiral ring. The shape of the first connecting portion 41 and the second connecting portion 42 is 60°-160°, and the specific angle depends on the position of the protrusion on the lock body shell.

Further, the square tongue assembly includes a large tongue, a first transmission gear and a square tongue connected together and driven around the same central axis, a second transmission gear meshed with the first transmission gear, and a second transmission gear A connecting link 3, a movable pin that connects the connecting rod 3 and the second transmission gear together.

Specifically, the lock body shell has two fixing pins, and the connecting rod 3 has a first waist hole corresponding to the two fixing pins, and the connecting rod 3 slides along a straight line formed by the two fixing pins. .

Further, the connecting rod 3 has a second waist hole, the second transmission gear has a circular hole, the movable pin has a large cylindrical end and a small cylindrical end, and the large cylindrical end is assembled in the second waist hole. Inside, the small cylindrical end is set inside the round hole.

Specifically, the lock body has a second shaft, and the second transmission gear rotates around the second shaft inside the lock body.

Specifically, the lock body has a first shaft, and the first transmission gear and the square tongue are simultaneously rotated inside the lock body around the first shaft.

Specifically, the first transmission gear has a first protruding end, and the square tongue has a first concave surface corresponding to the first protruding end, and the first protruding end and the first concave surface are matched to realize the first The drive gear and the square tongue shift with each other.

Specifically, the large tongue has a shaped hole, and the square tongue has a cylindrical end connected to the shaped hole and capable of driving the large tongue.

Specifically, the lock body shell includes a first groove, and the large tongue includes a convex point, and the first groove is a sliding guiding function of the large tongue inside the lock body shell, and when the large tongue enters and exits the lock body shell The bump slides left and right inside the second groove.

Specifically, the square tongue fork further includes a first input end of the square hole or a shaped hole having an axial limiting structure, a second input end of the protruding structure that can be dialed, and a third Input.

As described above, the embodiment of the right door opening is also included in the protection scope of the present invention. The present embodiment is not limited to the other forms of the present invention, and any skilled person can utilize the above. The disclosed technology is modified and improved. However, any simple modifications made to the above embodiments in accordance with the technical spirit of the present invention without departing from the technical scope of the present invention are still within the scope of protection of the technical solutions of the present invention.

Claims

A multifunctional American standard mortise lock comprises a lock body shell, a square tongue assembly and a tongue assembly, characterized in that it further comprises a handle input assembly, a motor assembly, a motor assembly and a handle input assembly, and the handle input assembly respectively drives the oblique tongue assembly And a square tongue assembly; the motor assembly includes a clutch actuator pin coupled to the handle input assembly; the handle input assembly includes an upper input dial, an upper oblique tongue block, a clutch ring, a square tongue block, and a lower skew that can rotate about the same central axis a tongue shifting block and a lower input dialing block; the upper input dialing block can separately drive the upper oblique tongue dial block and the square tongue dial block; and the lower input dial block can also separately drive the lower oblique tongue dial block and the square tongue dial block; The input input block and the lower input dial respectively drive the oblique tongue assembly and the square tongue block to realize the unlocking action respectively in the door and the outside of the door; and further comprise a protruding structure which can be installed on the upper input dial or the lower input dial. The left and right interchangeable blocks are mounted on the upper input dial block when the left door is opened, and the left and right interchange blocks are mounted on the lower input dial block when the right door is opened, thereby passing the left and right interchange blocks on Conversion between the dial input block and the lower block so to complete dial lock function of the exchange; the handle assembly is connected via an input link and the bolt assembly.
The multi-function American standard mortice lock according to claim 1, wherein the upper input dial has a first limit edge and the lower input block has a second limit edge, A limit stop edge and a second limit stop edge can be opposite to the clutch execution pin, and the clutch execution pin and the clutch rotation ring are connected together, and the clutch limit ring has a third limit gear edge and a fourth tongue block The limit position edge is offset, that is, the clutch rotation ring can be rotated by the square tongue block.
A multifunctional American standard mortise lock according to claim 1, wherein said upper input dial has a fifth gear edge offset from a sixth gear edge on said upper oblique tongue block; said lower input dial The seventh edge of the block is offset from the eighth edge of the lower oblique tongue block.
A multi-function American standard mortice lock according to claim 1, wherein a ninth gear edge on said upper input dial block is offset from a tenth edge of said square tongue block; said lower input The left and right interchangeable blocks on the dial block can be offset from the tenth edge of the square tongue block.
A multifunctional American standard mortise lock according to claim 1, wherein said left and right interchangeable blocks are mounted on the lower input dial, and the twelfth gear edge is provided on the clutch rotating ring, and the left and right interchangeable blocks are coupled with the clutch. Twelfth side of the circle Offset.
A multi-function American standard mortice lock according to claim 1, wherein said left and right interchangeable blocks are mounted on the upper input block and offset from the twelfth edge of the clutch ring.
A multi-function American standard mortise lock according to claim 1 - 6, wherein the clutch execution pin is connected to the clutch rotating ring, and the clutch rotating ring has a slit type slot, and the clutch performing pin is driven by the motor assembly The drive moves in the narrow slot to achieve the clutch movement.
A multifunctional American standard mortise lock according to claim 7, wherein the clutch actuator pin and the motor assembly include a projecting end and an elastic member, and the intermediate portion of the elastic member is coupled to the projecting end, the elastic member The two ends have two connecting ends, the first connecting end is inserted into the limiting hole on the lock body shell and can move radially in the center direction of the limiting hole, and the second connecting end is inserted into the clutch performing pin.
A multi-function American standard mortice lock according to claim 8, wherein said clutch actuator pin has a through hole for the second connecting end of the elastic member to be inserted.
A multifunctional American standard mortise lock according to claim 9, further comprising a return spring, said return spring comprising a first connecting portion, a second connecting portion, and an intermediate reset portion at both ends, said clutch a rotating protrusion has a cylindrical protrusion, the first connecting portion of the return spring is fitted on the cylindrical protruding portion, and the second connecting portion is fitted on the protrusion of the lock body shell to make the second connecting portion opposite to the locking body The shell is fixed, the intermediate reset portion has a spiral ring shape, and the first connecting portion and the second connecting portion form a 60°-160°.