CN-224213951-U - Multifunctional mortise lock

CN224213951UCN 224213951 UCN224213951 UCN 224213951UCN-224213951-U

Abstract

The utility model relates to a multifunctional mortise lock. The lock comprises a lock shell assembly, a square tongue assembly, a connecting rod, a shifting block assembly and an inclined tongue assembly, wherein the square tongue assembly comprises a square tongue which is installed in the lock shell assembly in a sliding mode relative to the lock shell assembly between an extending position and a retracting position, the square tongue assembly further comprises a sliding block and a first reset spring, the sliding block is installed on the square tongue in a sliding mode relative to the square tongue between a locking position and an unlocking position, a functional groove is formed in the lock shell assembly, the sliding block is provided with a clamping strip inserted into the functional groove, and the first reset spring is arranged between the square tongue and the sliding block to drive the sliding block to return to the locking position. The utility model can realize the purposes of simultaneously unlocking the square tongue and the inclined tongue by the handle and locking the square tongue by the handle, thereby being convenient for users to use.

Inventors

LI ZHANHUI

Assignees

中山市铁神锁业有限公司

Dates

Publication Date: 20260508
Application Date: 20250529

Claims (8)

1. A multifunctional mortise lock comprises a lock shell component, a square tongue component, a connecting rod, a shifting block component and an oblique tongue component; The middle part of the connecting rod is rotatably arranged in the lock shell assembly relative to the lock shell assembly, and the lower end of the connecting rod is provided with a driving hole; The square tongue assembly comprises a square tongue which is slidably arranged in the lock shell assembly relative to the lock shell assembly between an extending position and a retracting position; The latch assembly is slidably mounted in the lock housing assembly between an extended position and a retracted position; The lock assembly comprises a lock shell assembly, a handle, a lock cover assembly and a lock cover assembly, wherein the lock cover assembly comprises a bevel tongue shifting block and a square tongue shifting block which is connected with the handle to rotate along with the handle, the square tongue shifting block is rotatably arranged in the lock cover assembly, a left shifting block and a right shifting block are arranged on the square tongue shifting block at intervals in the circumferential direction of the square tongue shifting block, the bevel tongue shifting block is provided with an upper shifting block which extends towards the bevel tongue assembly and stretches into the bevel tongue assembly, and the upper shifting block pushes the bevel tongue assembly to slide towards a retraction position when the bevel tongue shifting block rotates clockwise; The upper end of the connecting rod is arranged between the left shifting head and the right shifting head; The left shifting head pushes the upper end of the connecting rod to drive the connecting rod to rotate clockwise when the square tongue shifting block rotates anticlockwise; the right shifting head pushes the upper end of the connecting rod to drive the connecting rod to rotate in the anticlockwise direction when the square tongue shifting block rotates in the clockwise direction; the method is characterized in that: the square tongue assembly also comprises a sliding block and a first reset spring, wherein the sliding block is provided with a push rod extending into the driving hole; The sliding block is arranged on the square tongue in a sliding manner between the locking position and the unlocking position, wherein the sliding direction of the sliding block relative to the square tongue is parallel to the Y axis, the sliding direction of the square tongue relative to the lock shell assembly is parallel to the X axis, the X axis is perpendicular to the Y axis to form a plane rectangular coordinate system, and the sliding block is fixed relative to the square tongue on the X axis; The lock shell component is provided with a functional groove, and the functional groove comprises a main groove extending along an X axis and a front short groove which is arranged on one side of the main groove and is communicated with the main groove; The sliding block is provided with a clamping strip inserted into the functional groove, the clamping strip is aligned with the front short groove when the square tongue is in the extending position, the clamping strip can selectively enter and exit the front short groove when the sliding block slides, wherein the clamping strip enters the front short groove when the sliding block is in the locking position, and the clamping strip exits the front short groove and enters the main groove when the sliding block slides from the locking position to the unlocking position; wherein, when the clamping strip is positioned in the main groove, the square tongue is allowed to slide relative to the lock shell component, when the clamping strip is positioned in the front short groove, the sliding of the square tongue relative to the lock shell assembly is limited; the first reset spring is arranged between the square tongue and the sliding block to drive the sliding block to return to the locking position; The hole wall of the driving hole positively pushes the push rod when the connecting rod rotates anticlockwise to drive the sliding block to do planar first combined movement on the XY plane relative to the lock shell assembly, the first combined movement of the sliding block respectively has split movement on the X axis and the Y axis, wherein, The first combined movement of the sliding block is decomposed into a split movement on the Y axis, so that the sliding block slides from a locking position to an unlocking position, and the clamping strip is led out of the front short groove; The first combined movement of the sliding block is decomposed into a split movement on the X axis, so that the sliding block drives the square tongue to slide from the extending position to the retracting position; The hole wall of the driving hole reversely pushes the push rod when the connecting rod rotates clockwise to drive the sliding block to do plane second combination movement on the XY plane relative to the lock shell assembly, wherein the second combination movement of the sliding block at least has split movement on the X axis, and the split movement on the X axis enables the sliding block to drive the square tongue to slide from the retracted position to the extending position; the inclined tongue shifting block is rotatably sleeved outside the square tongue shifting block; The inclined tongue shifting block is provided with a fixed blocking part, and the square tongue shifting block is provided with a movable blocking part; The moving blocking part pushes the fixed blocking part when the square tongue shifting block rotates clockwise so that the square tongue shifting block drives the inclined tongue shifting block to rotate clockwise; The movable blocking part is far away from the fixed blocking part when the square tongue shifting block rotates anticlockwise so that the square tongue shifting block rotates relative to the lock shell assembly and the inclined tongue shifting block is static relative to the lock shell assembly.
2. A multi-function mortise lock according to claim 1 wherein: The square tongue assembly further comprises a bevel tongue unlocking rod which is arranged on the square tongue in a sliding manner relative to the square tongue between an uplifted position and a descending position, wherein the sliding direction of the bevel tongue unlocking rod relative to the square tongue is parallel to a Y axis; The inclined tongue shifting block is also provided with a lower shifting head positioned above the inclined tongue unlocking rod, and the inclined tongue unlocking rod pushes the lower shifting head to drive the inclined tongue shifting block to rotate clockwise when sliding from a descending position to an ascending position; The lock shell component is also provided with a poking wheel of the lock head, the poking wheel of the lock head is positioned below the inclined tongue unlocking rod, and the poking wheel of the lock head pushes the inclined tongue unlocking rod to slide from the descending position to the lifting position when rotating clockwise.
3. A multi-function mortise lock according to claim 1 wherein: The functional groove also comprises a rear short groove communicated with the main groove, the front short groove and the rear short groove are positioned on the same side of the main groove, and the front short groove is positioned in front of the rear short groove along the sliding direction of the square tongue from the retracted position to the extended position; The clamping strip is aligned with the rear short groove when the square tongue is in the retracted position, and the clamping strip can selectively enter and exit the rear short groove when the sliding block slides, wherein the clamping strip enters the rear short groove when the sliding block is in the locking position, and the clamping strip exits the rear short groove and enters the main groove when the sliding block slides from the locking position to the unlocking position; Wherein, limit the slip of the square tongue relative to lock shell assembly when the card strip is in the back short groove; the second combined movement of the sliding block also has a split movement on the Y axis, and the split movement on the Y axis enables the sliding block to slide from the locking position to the unlocking position so as to enable the clamping strip to leave the rear short groove.
4. A multi-functional mortise lock according to claim 3 wherein the functional groove is concave.
5. A multi-functional mortise lock according to claim 3 wherein: The side wall of the rear short groove close to the rear short groove extends obliquely upwards from the bottom of the front short groove to the direction of the rear short groove; the side wall of the front short groove close to the front short groove extends obliquely upwards from the bottom of the rear short groove to the direction of the front short groove.
6. A multi-function mortise lock according to claim 1 wherein: The hole wall of the driving hole comprises a front contour section for pushing the push rod when the connecting rod rotates anticlockwise and a rear contour section for pushing the push rod when the connecting rod rotates clockwise; the front contour section and the rear contour section are curved surfaces or inclined surfaces.
7. A multi-function mortise lock according to claim 1 wherein: The shifting block assembly also comprises a first torsion spring used for driving the square tongue shifting block to reset after rotating; the lock shell component is provided with a fixed stop block, and the square tongue shifting block is provided with a movable stop block; The first torsion spring is sleeved outside the square tongue shifting block, and the fixed stop block and the movable stop block are clamped between two elastic legs of the first torsion spring simultaneously, so that the square tongue shifting block can be subjected to elastic acting force of the first torsion spring when rotating clockwise or anticlockwise.
8. A multi-function mortise lock according to claim 2 wherein: the square tongue is provided with a notch for the driving wheel of the lock head to enter, the clamping strip is positioned in the notch, the driving wheel of the lock head can selectively enter and exit the notch when rotating, and the driving wheel of the lock head pushes the clamping strip to push the sliding block to slide from the locking position to the unlocking position when entering the notch.

Description

Multifunctional mortise lock Technical Field The utility model relates to a multifunctional mortise lock. Background The Chinese patent specification CN201225043Y discloses a multifunctional mortise door lock capable of being opened and closed quickly, which comprises a lock body, a square tongue assembly, an inclined tongue assembly, a rotating block, a connecting plate, a square tongue reset spring, an inclined tongue shifting block, an upper shifting block, a lower shifting block and the like, wherein the square tongue assembly is slidably arranged in the lock body, the rotating block is rotatably arranged on the shifting block of the square tongue assembly through a stud, the connecting rod is rotatably arranged in the lock body through another stud, a spindle-shaped hole is formed in the connecting rod, a cylinder extending into the spindle-shaped hole is arranged on the rotating block, the sliding of the square tongue assembly is driven by the rotating block when the connecting rod rotates, the rotation of the connecting rod is caused by rotating a vertical shifting block of the connecting rod by rotating a handle by means of left shifting block and right shifting block of the upper shifting block and the lower shifting block, and the locking and unlocking of the square tongue and the inclined tongue can be driven by directly adopting the handle without inserting a key by the aid of the structure, and the multifunctional mortise door lock is convenient to use. However, after the square tongue extends out of the lock body to lock, the connecting rod and the rotating block are in a free state without acting force, the square tongue is easy to pry open, and the safety is required to be improved. Disclosure of Invention The utility model aims to provide a multifunctional mortise lock which comprises a lock shell component, a square tongue component, a connecting rod, a shifting block component, And a latch assembly; the middle part of the connecting rod is rotatably arranged in the lock shell assembly relative to the lock shell assembly, and the lower end of the connecting rod is provided with a driving hole; the tongue assembly comprises a tongue and a tongue shifting block, the tongue is slidably arranged in the lock shell assembly relative to the lock shell assembly between an extending position and a retracting position, the tongue assembly is slidably arranged in the lock shell assembly between the extending position and the retracting position, a second reset spring for driving the tongue assembly to return to the extending position is arranged between the tongue assembly and the lock shell assembly, the shifting block assembly comprises a tongue shifting block and a tongue shifting block for being connected with a handle to rotate along with the handle, the tongue shifting block is rotatably arranged in the lock shell assembly, the tongue shifting block is provided with a left shifting head and a right shifting head at intervals in the circumferential direction of the tongue shifting block, the tongue shifting block is provided with an upper shifting head extending towards the tongue assembly and extending into the tongue assembly, the upper shifting head pushes the tongue assembly to slide towards the retracting position when the tongue shifting block rotates clockwise, the upper end of the connecting rod is arranged between the left shifting head and the right shifting head, the left shifting block pushes the upper end of the connecting rod to rotate clockwise along the tongue shifting block when the tongue shifting block rotates anticlockwise so as to drive the upper end of the connecting rod to rotate along the clockwise direction, the sliding block is arranged on the right sliding block along the right sliding direction along the right direction, the right direction along the right direction, the right direction is parallel to the sliding direction along the right direction, the sliding direction is arranged on the right direction along the right direction of the sliding direction, the sliding block is parallel to the sliding shaft, and the sliding block is arranged in the sliding direction along the right direction, and the sliding direction is parallel to the sliding direction is arranged in the sliding direction, and the sliding block is arranged, the sliding block is fixed on the X axis opposite to the square tongue; the sliding block is provided with a clamping strip inserted into the functional groove, the clamping strip is aligned with the front short groove when the square tongue is in an extending position, the clamping strip can selectively enter and exit the front short groove when the sliding block slides, the clamping strip enters the front short groove when the sliding block is in a locking position, the clamping strip moves out of the front short groove to enter the main groove when the sliding block slides from the locking position to an unlocking position, the square tongue