CN210828647U - Safety lock structure of mortise door lock - Google Patents

Abstract

The utility model relates to a safety lock structure of a mortise door lock, which comprises a first sliding block, a safety button and a latch bolt component, wherein the first sliding block can be installed in an inner handle fixing seat in a downward sliding and automatic upward resetting way, and the first sliding block is positioned above an inner handle transmission rod socket; the safety key extends out of the surface of the inner handle fixing seat, can move along the direction vertical to the surface and is in driving connection with the first sliding block; the latch bolt assembly is in transmission connection with an inner handle of the inner handle assembly and an outer handle of the outer handle assembly through a transmission rod; order about first sliding block and slide to the locking state downwards when pressing insurance button, handle transfer line socket in the locking is blocked to first sliding block this moment, realizes the locking of interior handle and outer handle, plays the safety lock function, has cancelled the safety tongue subassembly of traditional mortise lock, effectively simplifies tool to lock structure and reduce cost, and equipment installation efficiency obviously improves, and market competition is strong.

Description

Safety lock structure of mortise door lock

Technical Field

The utility model belongs to the technical field of the tool to lock, in particular to safety lock structure of lock pin lock.

Background

At present, the mortise door lock (such as a handle lock) on the market comprises an inner handle assembly, an outer handle assembly and a lock body, wherein an inclined bolt assembly, a square bolt assembly and a safety bolt assembly are arranged in the lock body, and the lock body is controlled to be opened and closed by different structures, and the mortise door lock specifically comprises the following steps: the latch bolt subassembly is controlled by interior handle subassembly and outer handle group and is opened, and the square bolt subassembly is by interior lock core of key control and outer lock core control shutting and unblock, and the insurance tongue subassembly is controlled by the insurance button, and it is very troublesome to use the operation, and the structure is very complicated moreover, and equipment installation cost is consuming time, and manufacturing cost is high.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a realize insurance function under the prerequisite of the insurance tongue subassembly of cancellation traditional lock pin lock, effectively simplify tool to lock structure and reduce cost, the insurance lock structure of the lock pin lock that the equipment installation is efficient.

In order to solve the technical problem, the utility model adopts the following technical scheme:

a safety lock structure of a mortise door lock comprises a first sliding block, a safety button and a latch bolt assembly, wherein the first sliding block can slide downwards and is installed in an inner handle fixing seat in an automatic upward resetting manner, and the first sliding block is positioned above an inner handle transmission rod socket; the safety key extends out of the surface of the inner handle fixing seat, can move along the direction vertical to the surface and is in driving connection with the first sliding block; the latch bolt assembly is in transmission connection with an inner handle of the inner handle assembly and an outer handle of the outer handle assembly through a transmission rod; order about first sliding block and slide to the locking state downwards when pressing insurance button, handle transfer line socket in the locking is blocked to first sliding block this moment, realizes the locking of interior handle and outer handle, plays the safety lock function.

Furthermore, an arc-shaped abutting surface is arranged at the lower part of the inner end of the safety key, and an inclined abutting surface matched with the arc-shaped abutting surface is arranged at the upper end of the first sliding block; when the safety key is pressed down, the arc-shaped abutting surface acts on the inclined abutting surface to drive the first sliding block to slide downwards, and the arc-shaped abutting surface slides on the inclined abutting surface in the process.

Furthermore, a locking clamping pin is arranged on one side, facing the inner handle transmission rod socket, of the first sliding block, and a locking bayonet is arranged on one side, facing the first sliding block, of the spring frame of the inner handle transmission rod socket; when the safety key is pressed down, the arc abutting surface acts on the inclined abutting surface and drives the first sliding block to slide downwards until the locking clamping pin is clamped in the locking bayonet of the spring frame, so that the locking of the inner handle and the outer handle is realized.

Furthermore, the safety lock structure also comprises a lock cylinder unlocking assembly, wherein the lock cylinder unlocking assembly comprises an inner lock cylinder, an outer lock cylinder, a second sliding block, a first driving piece and a second driving piece; the second sliding block can slide upwards to be in driving connection with the first sliding block and is arranged in the inner handle fixing seat in an automatic resetting manner; but first driving piece and second driving piece rotate in step and install respectively including in handle fixing base and outer handle fixing base, interior lock core passes through first driving piece second sliding block drive and connects, outer lock core loops through second driving piece and first driving piece and second sliding block drive is connected.

The utility model has the advantages that:

the above technical scheme, the utility model, can realize the insurance function under the prerequisite of the insurance tongue subassembly of cancellation traditional lock pin lock, effectively simplify tool to lock structure and reduce cost, the equipment installation effectiveness obviously improves, market competition is strong.

Drawings

Fig. 1 is a schematic structural diagram of a mortise door lock adopting the safety lock structure of the present invention;

figure 2 is an exploded view of the inner handle assembly of figure 1;

FIG. 3 is an internal schematic view of the inner handle assembly of FIG. 1;

fig. 4 is a schematic structural diagram of a first sliding block in an embodiment of a safety lock structure of the mortise door lock of the present invention;

fig. 5 is a schematic structural diagram of a safety key in an embodiment of a safety lock structure of the mortise door lock of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1 to 5:

the safety lock structure of the mortise door lock comprises a first sliding block 1, a safety button 2 and a latch bolt assembly 21, wherein the first sliding block 1 can slide downwards and is installed in an inner handle fixing seat 16 in an automatic upward resetting manner, and the first sliding block 1 is positioned above an inner handle transmission rod socket 6; the safety key 2 extends out of the surface of the inner handle fixing seat 16, can move along the direction vertical to the surface and is in driving connection with the first sliding block 1; the latch bolt assembly 21 is in transmission connection with an inner handle 19 of the inner handle assembly and an outer handle 20 of the outer handle assembly through a transmission rod 22; the concrete structure can be as follows: the first sliding block 1 is arranged in the inner handle fixing seat 11 above the inner handle transmission rod socket 6 in a vertically sliding manner, and meanwhile, a left reset torsion spring 14 and a right reset torsion spring 15 are arranged on the first sliding block 1; handle fixing base 16 is interior and stretches out from interior handle fixing base 16's surface including the installation of insurance button 2, install reset spring (not shown in the figure) in the spring hole 18 that the inner terminal surface of insurance button 2 was equipped with, the inner lower part is equipped with the arc simultaneously and supports the face 3, the upper end of first sliding block 1 is equipped with and supports the 3 assorted slope butt faces 4 of face with the arc, one side of handle transfer line socket 6 is equipped with locking card foot 5 in the first sliding block 1 orientation, one side of spring bracket 7 towards first sliding block 1 of interior handle transfer line socket 6 is equipped with locking bayonet socket 8.

When pressing insurance button 2, order to about first slider 1 and slide down to the locking state, specifically do: the arc-shaped abutting surface 3 acts on the inclined abutting surface 4 to drive the first sliding block 1 to slide downwards to a locking state (a protruding clamping part of the first sliding block 1 is clamped on a safety clamping position arranged on the inner handle fixing seat 16 and is not shown in the drawing), in the process, the arc-shaped abutting surface 3 slides on the inclined abutting surface 4, at the moment, the first sliding block 1 clamps the locking inner handle transmission rod socket 6 (namely, the locking clamping feet 5 are clamped in the locking bayonet 8 of the spring frame 7), the locking and the non-rotation of the inner handle 19 and the outer handle 20 are realized (as shown in the drawing 1, the inner handle 19 of the inner handle assembly and the outer handle 20 of the outer handle assembly of the mortise door lock are synchronously rotated and connected with the handle assembly 21 through the transmission rod 22 penetrating through the handle assembly 21 and are in driving connection with the handle assembly 21), and the function of the safety lock is achieved.

Therefore, through the insurance lock structure realizes the insurance function promptly under the prerequisite of the insurance tongue subassembly of cancellation traditional lock pin lock, effectively simplifies tool to lock structure and reduce cost, and equipment installation efficiency obviously improves, and market competition is strong.

In addition, the safety lock structure of the mortise door lock of the utility model also comprises a lock core unlocking component, wherein the lock core unlocking component comprises an inner lock core 9, an outer lock core 10, a second sliding block 11, a first driving piece 12 and a second driving piece 13; the inner lock cylinder 9 and the outer lock cylinder 10 are respectively installed in an inner handle fixing seat 16 and an outer handle fixing seat 17, the second sliding block 11 can slide upwards to be connected with the first sliding block 1 in a driving mode and installed in the inner handle fixing seat 16 in an automatic reset mode (as shown in fig. 2, a sliding installation seat 23 is arranged in the inner handle fixing seat 16, and the second sliding block 11 can be installed on the sliding installation seat 23 in an up-and-down sliding mode and provided with a reset tension spring 24); first driving piece 12 and second driving piece 13 can install respectively in inner handle fixing base 16 and outer handle fixing base 17 with synchronous rotation, interior lock core 9 passes through first driving piece 12 second sliding block 11 drive connection, outer lock core 10 loops through second driving piece 13 and first driving piece 12 and second sliding block 11 drive connection.

Therefore, the safety lock structure of the mortise door lock can remove the safety function of the lock through the key, solves the problem that the existing mortise door lock cannot be removed outdoors when the safety function is opened accidentally, and is more convenient and safer to use and operate.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims (4)

1. The utility model provides a safety lock structure of lock pin lock which characterized in that: the safety handle comprises a first sliding block (1), a safety key (2) and a latch bolt assembly (21), wherein the first sliding block (1) can slide downwards and is installed in an inner handle fixing seat (16) in an automatic upward resetting mode, and the first sliding block (1) is located above an inner handle transmission rod socket (6); the safety key (2) extends out of the surface of the inner handle fixing seat (16), can move along the direction vertical to the surface and is in driving connection with the first sliding block (1); the latch bolt assembly (21) is in transmission connection with an inner handle (19) of the inner handle assembly and an outer handle (20) of the outer handle assembly through a transmission rod (22); when the safety key (2) is pressed down, the first sliding block (1) is driven to slide downwards to a locking state, the first sliding block (1) locks and locks the inner handle transmission rod socket (6), the locking of the inner handle (19) and the outer handle (20) is realized, and the function of a safety lock is achieved.

2. The safety lock structure of a mortise door lock according to claim 1, wherein: an arc-shaped abutting surface (3) is arranged at the lower part of the inner end of the safety key (2), and an inclined abutting surface (4) matched with the arc-shaped abutting surface (3) is arranged at the upper end of the first sliding block (1); when the safety key (2) is pressed down, the arc-shaped abutting surface (3) acts on the inclined abutting surface (4) to drive the first sliding block (1) to slide downwards, and in the process, the arc-shaped abutting surface (3) slides on the inclined abutting surface (4).

3. The safety lock structure of a mortise door lock according to claim 2, wherein: a locking clamping pin (5) is arranged on one side, facing the inner handle transmission rod socket (6), of the first sliding block (1), and a locking bayonet (8) is arranged on one side, facing the first sliding block (1), of a spring frame (7) of the inner handle transmission rod socket (6); when the safety key (2) is pressed down, the arc-shaped pressing surface (3) acts on the inclined pressing surface (4) and drives the first sliding block (1) to slide downwards to the locking clamping pin (5) to be clamped in the locking bayonet (8) of the spring frame (7), so that the locking of the inner handle (19) and the outer handle (20) is realized.

4. A safety lock structure of a mortise door lock according to claim 1, 2 or 3, characterized in that: the lock cylinder unlocking assembly comprises an inner lock cylinder (9), an outer lock cylinder (10), a second sliding block (11), a first driving piece (12) and a second driving piece (13); the inner lock cylinder (9) and the outer lock cylinder (10) are respectively installed in the inner handle fixing seat (16) and the outer handle fixing seat (17), and the second sliding block (11) can slide upwards to be in driving connection with the first sliding block (1) and is installed in the inner handle fixing seat (16) in an automatic reset mode; but first driving piece (12) and second driving piece (13) synchronous rotation ground install respectively including in handle fixing base (16) and outer handle fixing base (17), interior lock core (9) are connected through first driving piece (12) second sliding block (11) drive, outer lock core (10) loop through second driving piece (13) and first driving piece (12) and second sliding block (11) drive connection.

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