CN210768220U

CN210768220U - Double-door lockset

Info

Publication number: CN210768220U
Application number: CN201921390257.7U
Authority: CN
Inventors: 单尼斯
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-06-16
Anticipated expiration: 2029-08-23

Abstract

The utility model provides a two locksets that open door, relate to the tool to lock field of making, this tool to lock install in the inside and outside both sides of two locksets, its lock core overcoat set bolt, be provided with rotatory plectrum on the set bolt, the plectrum and locking plate and square tongue subassembly sliding fit of rotatory plectrum, pressure spring is used for the restoration of locking plate, the locking plate is along horizontal erection column lateral shifting, square tongue subassembly vertical migration in the locking plate, compress tightly with the side end face of coupler tongue when locking the door, two coupler tongues will open the door locking inside and outside, because the crack is narrow, make the unable operation of saw lock instrument, saw off the coupler tongue, the coupler tongue is longer, inside pushes away outside double-acting door, be difficult for double-acting door deformation, make double-acting door difficult to open by opening, also strengthened the reliable performance of tool to lock when this tool to lock has strengthened the security performance of tool to.

Description

Double-door lockset

Technical Field

The invention relates to the field of lockset manufacturing, in particular to a double-door lockset.

Background

At present, U-shaped locks, double door locks and the like are commonly used for double doors.

However, the existing door lock still has the following technical defects:

firstly, the extended bolt of the double-door lock is short, and the anti-theft and anti-prying performance is poor;

and secondly, the exposed part of the U-shaped lock is easy to be sawed off by tools, and the anti-theft and anti-prying performances are poor.

In summary, how to overcome the above technical defects of the lock in the conventional technology is a technical problem to be solved urgently by those skilled in the art.

Disclosure of Invention

The invention aims to provide a double-door lockset to solve the problems.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

the utility model provides a two locksets that open door, the tool to lock includes lock body and spring bolt shell, lock body and spring bolt shell symmetry in pairs install in two inside and outside both sides that open door, the lock body includes: a lock shell, a lock core, a lock bolt, a lock shell bottom plate, a handle and a handle connecting rod, wherein,

the lock case includes: the lock comprises a lock hole, a handle hole, a mounting column A, a mounting column B, a mounting column C and a bolt opening I, wherein the lock hole, the handle hole, the mounting column A, the mounting column B and the mounting column C are arranged on the inner surface of a lock shell;

the lock cylinder is arranged in the lock hole and sleeved with a lock bolt;

the lock shell bottom plate is used for sealing the lock shell and parts in the lock shell;

two ends of the handle connecting rod respectively penetrate through a handle connecting rod hole on a lock shell bottom plate and a handle hole on the lock shell, which are symmetrically arranged inside and outside, and are connected with a handle;

the latch shell includes: the bolt opening II is arranged on the bolt shell side plate;

the lock tongue shell bottom plate is used for sealing the lock tongue shell and parts in the lock tongue shell;

the method is characterized in that: the lock body still includes: rotatory plectrum, locking plate, square tongue subassembly, pressure spring, coupler knuckle, torsion spring, wherein:

the rotary plectrum comprises: rotatory plectrum body, the interior round hole of rotatory plectrum body central point position, set up at rotatory plectrum body outer fringe and the plectrum of perpendicular extension, wherein: the inner circular hole is sleeved in the annular groove at the top end of the lock bolt and is fixed by a clamping ring;

the locking plate is of a groove-shaped structure, one side of the locking plate is of a sawtooth-shaped structure and is in sliding fit with the shifting piece, the lower part of the inner side of the groove-shaped structure on the other side is provided with a limiting plate, the outer side of the locking plate is provided with a circular bulge, the groove wall of the locking plate is provided with a transverse sliding hole I and a transverse sliding hole II which are communicated, and the transverse sliding hole I and the transverse sliding hole II are respectively sleeved on the mounting column A and the mounting column B and can be in sliding;

the pressure spring is arranged between the circular bulge and the inner side of the side plate of the lock shell;

the dead bolt assembly includes: the square tongue connecting piece is of a double-layer structure and is arranged in a groove-shaped structure of the locking plate, one side of the square tongue connecting piece is in a sawtooth shape and is in sliding fit with the shifting piece, the other side of the square tongue connecting piece is provided with a limiting groove and is in sliding fit with the limiting plate, and the square tongue connecting piece of the double-layer structure is provided with a through vertical sliding hole, is sleeved on the mounting column B and can be in sliding fit with the mounting column B;

the coupler knuckle comprises a head part, a middle part and a tail part, the tail part is provided with a connecting hole and is sleeved on the shaft section above the handle connecting rod, the head part is in a hook shape, and the middle part is provided with a through hole;

one end of the torsion spring is sleeved with the mounting column C, and the other end of the torsion spring is sleeved with the through hole;

the latch shell further comprises: the hook clamp is matched with the head part of the knuckle;

and the square tongue of the square tongue component compresses the side end surface of the tail part of the coupler tongue when being locked.

Preferably, the lock bolt of the inner side lock body is connected with the lock bolt of the outer side lock body through a connecting rod, so that the lock can be unlocked from the inside and the outside conveniently.

Preferably, the knuckle head portion is engaged with the hook clamp.

Preferably, the limiting groove comprises at least one limiting groove.

Preferably, the vertical sliding hole is sleeved on the mounting column B and used for guiding the square tongue connecting sheet to vertically slide in the locking sheet.

Preferably, the transverse sliding hole I and the transverse sliding hole II are respectively sleeved on the mounting column a and the mounting column B for guiding the locking plate to slide transversely.

Preferably, the pressure spring is used for resetting the locking plate.

Preferably, the handle is rotated to rotate the coupler knuckle by taking the handle connecting rod as an axis, so that the head of the coupler knuckle passes through the corresponding bolt opening I and bolt opening II to be clamped with the hook clamp in the bolt shell.

Advantageous effects

The double-door lock provided by the invention enhances the safety performance of the lock and also enhances the reliability of the lock, and gives better user experience to users.

Drawings

FIG. 1 is an assembled view of the lock of the present invention;

FIG. 2 is a schematic structural view of the lock case;

FIG. 3 is a schematic structural view of the bolt housing;

FIG. 4 is a schematic structural view of the locking plate;

FIG. 5 is a schematic structural view of the tongue assembly;

FIG. 6 is a schematic structural view of the knuckle;

FIG. 7 is a schematic structural view of the rotary paddle;

FIG. 8 is a state after unlocking;

fig. 9 is a state diagram after locking.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In one embodiment, as shown in fig. 1-9, a lock for double door comprises a lock body and a bolt housing, wherein the lock body and the bolt housing are symmetrically installed on the inner side and the outer side of the double door in pairs, and the lock body comprises: a lock shell (1), a lock core (2), a lock bolt (3), a lock shell bottom plate (4), a handle and a handle connecting rod (5), wherein,

the lock case (1) comprises: the lock comprises a lock hole (6), a handle hole (7), a mounting column A (8), a mounting column B (9), a mounting column C (10) and a bolt opening I (11), wherein the lock hole, the handle hole (7), the mounting column A, the mounting column B and the mounting column C (10) are arranged on the inner surface of a lock shell (1), and the bolt opening I (11) is arranged on a side plate of the;

the lock cylinder (2) is arranged in the lock hole (6) and sleeved with a lock bolt (3);

the lock shell bottom plate (4) is used for sealing the lock shell (1) and parts in the lock shell;

two ends of the handle connecting rod (5) respectively penetrate through handle connecting rod holes (12) on the lock shell bottom plate (4) which are symmetrically arranged inside and outside and handle holes (7) on the lock shell (1) to be connected with a handle;

the latch shell (13) comprises: a bolt opening II (14) arranged on a side plate of the bolt shell (13);

the lock tongue shell bottom plate (15) is used for sealing the lock tongue shell (13) and parts in the lock tongue shell;

the lock body still includes: rotatory plectrum (16), locking plate (17), square tongue subassembly (18), pressure spring (19), coupler knuckle (20), torsion spring (21), wherein:

the rotary paddle (16) comprises: rotatory plectrum body (22), interior round hole (23) of rotatory plectrum body (22) central point put, set up in rotatory plectrum body (22) outer fringe and vertical extension's plectrum (24), wherein: the inner circular hole (23) is sleeved in an annular groove at the top end of the lock bolt (3), and the rotary plectrum body (22) is fixed on the lock bolt (3) by a clamping ring (25), so that the rotary plectrum body (22) can rotate along with the rotation of the lock bolt (3);

the locking plate (17) is of a groove-shaped structure, one side of the locking plate (17) is of a sawtooth-shaped structure (39) and is in sliding fit with the shifting piece (24), the locking plate (17) can move under the shifting of the shifting piece (24) due to the arrangement of the sawtooth-shaped structure, a limiting plate (26) is arranged on the lower portion of the inner side of the groove-shaped structure on the other side, a circular protrusion (27) is arranged on the outer side of the groove-shaped structure, a through transverse sliding hole I (28) and a transverse sliding hole II (29) are formed in the wall of the groove-shaped structure, the transverse sliding hole I (28) and the transverse sliding hole II (29) are respectively sleeved on the mounting column A (8) and the mounting column B (9) and can be in sliding fit with each other, and the locking plate (;

the pressure spring (19) is arranged between the circular bulge (27) and the inner side of the side plate of the lock shell (1), and aims to reset the locking plate (17) which generates transverse displacement under the stirring of the stirring piece (24);

the tongue assembly (18) comprises: the locking plate comprises a square tongue (30), a square tongue connecting sheet (31) and a vertical sliding hole (32) arranged on the square tongue connecting sheet (31), wherein the square tongue connecting sheet (31) is of a double-layer structure and is arranged in a groove-shaped structure of the locking plate (17), one side of the square tongue connecting sheet is of a sawtooth structure (40) and is in sliding fit with the shifting sheet (24), the other side of the square tongue connecting sheet is provided with a limiting groove (33) and is in sliding fit with the limiting plate (26), and the vertical sliding hole (32) is sleeved on the mounting column B (9) and can be in sliding fit;

the coupler knuckle (20) comprises a head part, a middle part and a tail part, the tail part is provided with a connecting hole (34) and is sleeved on the shaft section above the handle connecting rod (12), the head part is in a hook shape, and the middle part is provided with a through hole (35);

one end of the torsion spring (21) is sleeved with the mounting column C (10), and the other end of the torsion spring is sleeved with the through hole (35);

the latch shell (13) further comprises: a hook clip (36) inosculating with the head part of the knuckle (20);

when the square tongue (30) of the square tongue component (18) is locked, the side end surface (37) at the tail part of the hook tongue (20) is pressed tightly, and the hook tongue (20) is locked.

In one embodiment, as shown in fig. 1, the lock bolt (3) of the inner lock body is connected with the lock bolt (3) of the outer lock body through a connecting rod (38), so that the lock can be unlocked from the inside and the outside.

In one embodiment, as shown in fig. 9, the head of the latch (20) is engaged with the hook (36) to lock the double door.

In one embodiment, as shown in fig. 5, the limiting grooves (33) comprise three limiting grooves (33), and the dead bolt assembly (18) is vertically slid (moved) up and down through the three limiting grooves (33).

In one embodiment, as shown in fig. 1, 5, 8 and 9, the vertical sliding hole (32) is sleeved on the mounting column B (9) for guiding the latch connecting piece (31) to slide vertically in the locking piece (17).

In one embodiment, as shown in fig. 1, 2, 4, 8 and 9, the transverse sliding hole I (28) and the transverse sliding hole II (29) are respectively sleeved on the mounting post a (8) and the mounting post B (9) for guiding the locking piece (17) to slide transversely.

In one embodiment, as shown in fig. 1, 8 and 9, the pressure spring (19) is used for resetting the locking plate (17).

In one embodiment, as shown in fig. 1, 8 and 9, the handle is rotated for rotating the coupler tongue (20) by taking the handle connecting rod (12) as an axis, so that the head of the coupler tongue (20) passes through the corresponding bolt opening I (11) and bolt opening II (14) to be clamped with the hook clamp (36) in the bolt shell (13).

In one embodiment, as shown in fig. 1-9, when a door needs to be locked, the handle is rotated by hand, the hook tongue (20) is driven by the rotation of the handle connecting rod (12) to rotate around the handle connecting rod (12), so that the head of the hook tongue (20) is clamped with the hook clamp (36) in the lock tongue shell (13), then the lock is unlocked by a key, the lock cylinder (2) is rotated clockwise to drive the lock bolt (3) to rotate, and further drive the rotary plectrum (16) to rotate, the plectrum (24) of the rotary plectrum (16) is in sliding fit with the lock plate (17) and the square tongue component (18), and meanwhile, the lock plate (17) moves towards one side of the lock shell (1) along the transverse sliding hole I (28) and the transverse sliding hole II (29) along the mounting column I (8) and the mounting column (9), the vertical sliding hole (32) of the square tongue component (18) moves downwards along the mounting column (9), the end part of the square tongue (30) moves downwards to the side end part (37) of the knuckle (20), and the knuckle (20) is pressed tightly, so that the knuckle (20) is locked.

In one embodiment, as shown in fig. 1-9, when the door needs to be opened, the key is rotated counterclockwise to drive the lock cylinder (2) to rotate, the lock bolt (3) is driven to rotate, and then the rotary plectrum (16) is driven to rotate, so that the plectrum (24) is in sliding fit with the lock plate (17) and the square tongue component (18), meanwhile, the reset lock plate (17) is driven to move transversely along the transverse sliding hole I (28) and the transverse sliding hole II (29) along the mounting column I (8) and the mounting column (9) towards one side of the lock shell (1), the vertical sliding hole (32) of the square tongue component (18) moves upwards along the mounting column (9), so that the end of the square tongue (30) moves upwards, the square tongue (30) is separated from the side end (37) of the hook tongue (20), then, the handle is rotated by hand, the rotation of the handle connecting rod (12) drives the hook tongue (20) to rotate by taking the handle connecting rod (12) as an, the head of the coupler knuckle (20) is separated from the coupler (36) in the lock knuckle shell (13) and returns to the original position, and then the door can be opened.

In one embodiment, as shown in fig. 1-9, the torsion spring (21) acts such that after the handle is rotated by a certain angle, the torsion spring (21) can change the direction of the force so that the knuckle (20) pushes its head to the position of the catch (36) or returns to the original position (unlocked position) under the force of the torsion spring (21) changing direction.

Claims

1. The utility model provides a two locksets that open door, the tool to lock includes lock body and spring bolt shell, lock body and spring bolt shell symmetry in pairs install in two inside and outside both sides that open door, the lock body includes: a lock shell, a lock core, a lock bolt, a lock shell bottom plate, a handle and a handle connecting rod, wherein,

the lock cylinder is arranged in the lock hole and sleeved with a lock bolt;

2. A twin door latch as defined in claim 1, wherein: the lock bolt of the lock body on the inner side is connected with the lock bolt of the lock body on the outer side through the connecting rod, so that the lock can be conveniently unlocked from the inside and the outside.

3. A twin door latch as defined in claim 1, wherein: the head part of the knuckle is clamped with the hook clamp.

4. A twin door latch as defined in claim 1, wherein: the limiting groove comprises at least one limiting groove.

5. A twin door latch as defined in claim 1, wherein: the vertical sliding hole is sleeved on the mounting column B and used for guiding the dead bolt connecting sheet to vertically slide in the locking sheet.

6. A twin door latch as defined in claim 1, wherein: and the transverse sliding hole I and the transverse sliding hole II are respectively sleeved on the mounting column A and the mounting column B and are used for guiding the locking plate to transversely slide.

7. A twin door latch as defined in claim 1, wherein: the pressure spring is used for resetting the locking plate.

8. A twin door latch as defined in claim 1, wherein: the handle is rotated and is used for the coupler knuckle to use the handle connecting rod as the hub rotation for the head of coupler knuckle passes corresponding spring bolt opening I and spring bolt opening II and the hook card joint in the spring bolt shell.