CN222376238U - A flat lock - Google Patents

Abstract

The utility model discloses a flat lock, which comprises a panel and a lock tongue, wherein an inner pressing plate is arranged on the inner side of the panel in a swinging way, an outer pressing plate is arranged on the outer side of the panel in a swinging way, the flat lock is flush with the panel in a natural state, the problem that a traditional door lock handle is arranged outside the panel in a protruding way and is easy to hook clothes is well solved, collision of people with the door handle can be avoided, potential safety hazards are eliminated, the whole door lock panel is embedded in a door leaf, the appearance of the door lock is more compact and attractive, the lock tongue comprises a shell and a lock tongue body which is arranged in the shell in a sliding way, an unlocking piece is arranged in the shell in a rotating way, one end part of the unlocking piece is matched with the lock tongue body, the other end part of the unlocking piece stretches into the panel to be matched with the inner pressing plate and the outer pressing plate, the inner pressing plate/the outer pressing plate is pressed down, the other end part of the unlocking piece drives the lock tongue body to slide into the shell, and compared with the traditional door lock which needs to hold the handle in a holding way, and the unlocking operation is simple and convenient.

Description

Flat lock

Technical Field

The utility model relates to the field of door locks, in particular to a flat plate lock.

Background

At present, most door locks on the market are unlocked by pushing down door handles inside and outside the door to drive a lock tongue to retract into the lock body, so that the door locks are unlocked;

For example, the Chinese patent with publication number CN216553384U discloses a novel ecological door lock, which comprises an inner handle seat fixed on an inner door plate, an outer handle seat fixed on an outer door plate, an inner handle, an outer handle and a square shaft with two ends respectively connected with the inner handle and the outer handle and enabling the inner handle and the outer handle to realize linkage, wherein the inner handle is rotatably arranged on the inner handle seat, and the outer handle is rotatably arranged on the outer handle seat;

The door inner handle and the door outer handle are both arranged outside the door plate in a protruding mode, the appearance of the existing handle door lock is not attractive, meanwhile, people in the door handle can easily collide with the inner handle and the outer handle, even clothes are hooked, and potential safety hazards are brought.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model aims to provide a flat plate lock.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The flat lock comprises a panel on one side and a lock tongue on the other side, wherein an inner pressing plate is arranged on the inner side of the panel in a swinging way, and an outer pressing plate is arranged on the outer side of the panel in a swinging way;

the lock tongue comprises a shell and a lock tongue body which is arranged on the shell in a sliding way, an unlocking piece is rotationally arranged in the shell, one end part of the unlocking piece is matched with the lock tongue body, and the other end part of the unlocking piece stretches into the panel to be matched with the inner pressing plate and the outer pressing plate;

The inner pressing plate/the outer pressing plate is pressed down, the inner pressing plate/the outer pressing plate drives the unlocking piece to rotate, and the other end part of the unlocking piece drives the lock tongue body to slide into the shell.

The utility model further provides that the front end of the lock tongue body is internally provided with the self-attraction magnet, and the rear end of the lock tongue body is connected with the tension spring for preventing the lock tongue body from automatically sliding out of the shell.

The unlocking piece comprises a driving arm and an unlocking arm, one end part of the driving arm is connected with the unlocking arm, the other end part of the driving arm stretches into the panel, and the unlocking arm is driven by the inner pressing plate or the outer pressing plate to drive the unlocking arm to push the lock tongue body to slide.

The utility model further provides that the unlocking piece is in a T-shaped shape.

The utility model further provides that reset torsion springs are arranged on the inner pressing plate and the outer pressing plate, one end part of each reset torsion spring is abutted against the panel, and the other end part is abutted against the inner pressing plate/the outer pressing plate.

The utility model further provides that the outer side of the panel is provided with a counter locking piece, one end of the counter locking piece is rotatably arranged in the panel, and the other end of the counter locking piece is matched with a locking groove of the outer pressing plate to lock the outer pressing plate.

The utility model further provides that one side of the back locking piece is connected with a back locking knob on the inner side of the panel, and the other side of the back locking piece is connected with a lock cylinder on the outer side of the panel.

The utility model further provides that the back locking piece is provided with a positioning ball, and the panel is provided with a back locking positioning hole and a back unlocking positioning hole which are matched with the positioning ball;

When the counter-locking piece is in the counter-locking position, the positioning ball is matched with the counter-locking positioning hole to lock the counter-locking piece in the counter-locking position, and when the counter-locking piece is in the unlocking position, the positioning ball is matched with the unlocking positioning hole to lock the counter-locking piece in the unlocking position.

The flat lock has the advantages that the inner pressing plate and the outer pressing plate of the flat lock are respectively arranged on the inner side and the outer side of the panel in a swinging mode, the flat lock is flush with the panel in a natural state, the problem that a traditional door lock handle is arranged outside the panel in a protruding mode and is easy to hook clothes is solved, meanwhile, collision of people with the door handle can be avoided, potential safety hazards are eliminated, the door lock panel is embedded in a door leaf in a whole mode, the appearance of the door lock is simpler and more attractive, when the door lock is unlocked, the unlocking piece can be driven to drive the lock tongue body to retract into the shell only by pressing the inner pressing plate or the outer pressing plate, so that unlocking of the door lock is achieved, and compared with the traditional door lock which needs to hold the handle in a holding mode and rotate the handle downwards, unlocking operation is simpler and more convenient.

Drawings

FIG. 1 is a schematic view of a flat lock according to the present utility model;

FIG. 2 is a schematic diagram of a flat lock according to the present utility model;

FIG. 3 is a schematic view of the internal structure of a flat lock;

FIG. 4 is a schematic diagram showing the internal structure of a flat lock;

FIG. 5 is a schematic view of the structure of a locking bolt of a flat panel lock;

FIG. 6 is a diagram showing the cooperation of the outer platen of the flat lock with the counter lock;

The reference numerals comprise 1, a panel, 11, an inner pressure plate, 12, an outer pressure plate, 121, a locking groove, 13, an anti-locking knob, 14, a lock cylinder, 15, an anti-locking piece, 151, a positioning ball, 18, a reset torsion spring, 2, a lock tongue, 21, a lock tongue body, 211, a tension spring, 22, an unlocking piece, 221, an unlocking arm, 222, a driving arm, 23, a shell, 3, an anti-locking knob, 4 and the lock cylinder.

Detailed Description

A flat panel lock according to the present utility model will be described in further detail with reference to fig. 1 to 6.

The flat lock comprises a panel 1 on one side and a lock tongue 2 on the other side, wherein an inner pressing plate 11 is arranged on the inner side of the panel 1 in a swinging way, and an outer pressing plate 12 is arranged on the outer side of the panel 1 in a swinging way, wherein the inner pressing plate 11 and the outer pressing plate 12 are arranged in a mounting groove of the panel 1, so that the inner pressing plate 11 and the outer pressing plate 12 are flush with the outer surface of the panel 1 in a natural state;

The lock tongue 2 comprises a shell 23 and a lock tongue body 21 which is arranged on the shell 23 in a sliding way, an unlocking piece 22 is rotationally arranged on the shell 23, a torsion spring is arranged on the unlocking piece 22, one end part of the unlocking piece 22 is matched with the lock tongue body 21, and the other end part of the unlocking piece 22 extends into the panel 1 to be matched with the inner pressing plate 11 and the outer pressing plate 12;

The upper end part of the inner pressing plate 11/outer pressing plate 12 is pressed down, the upper end part of the inner pressing plate 11/outer pressing plate 12 rotates downwards, the unlocking piece 22 is pressed down, the unlocking piece 22 is driven to rotate, and the other end part of the unlocking piece 22 drives the lock tongue body 21 to slide into the shell 23;

The inner pressing plate 11 and the outer pressing plate 12 of the flat lock are respectively arranged on the inner side and the outer side of the panel 1 in a swinging mode, are flush with the panel 1 in a natural state, well solve the problem that a traditional door lock handle is arranged outside the panel 1 in a protruding mode and is easy to hook clothes, simultaneously avoid collision of people with the door handle, eliminate potential safety hazards, enable the appearance of the door lock to be simpler and more attractive, and when the door lock is unlocked, the unlocking piece 22 can be driven to drive the lock tongue body 21 to retract into the shell 23 only by pressing the inner pressing plate 11 or the outer pressing plate 12, so that unlocking of the door lock is achieved.

The front end of the lock tongue body 21 is internally provided with a self-attraction magnet, the rear end of the lock tongue body is connected with a tension spring 211 for preventing the lock tongue body 21 from sliding out of the shell 23, when the door is closed, the self-attraction magnet is matched with a magnet on a door frame buckle box to overcome the tension of the tension spring 211, the lock tongue body 21 is sucked out of the shell 23, so that the lock tongue body 21 is placed in the buckle box, and in a non-door closing state, the lock tongue body 21 is always placed in the shell 23 under the tension of the tension spring 211.

The unlocking piece 22 is in a T-shaped form, the unlocking piece 22 comprises a driving arm 222 and an unlocking arm 221, one end of the driving arm 222 is connected with the unlocking arm 221, the other end of the driving arm extends into the panel 1, and the unlocking arm 221 is driven by the inner pressing plate 11 or the outer pressing plate 12 to push the lock tongue body 21 to slide.

The inner pressing plate 11 and the outer pressing plate 12 are respectively provided with a reset torsion spring 18, one end part of the reset torsion spring 18 is propped against the panel 1, the other end part is propped against the inner pressing plate 11/the outer pressing plate 12, and after the inner pressing plate 11 or the outer pressing plate 12 is released by pressing down unlocking, the inner pressing plate 11 or the outer pressing plate 12 is sprung upwards under the action of the reset torsion spring 18, so that automatic reset is realized.

In order to realize the back locking of the door lock, the outer side of the panel 1 is provided with a back locking piece 15, one end of the back locking piece 15 is rotatably arranged in the panel 1, the other end of the back locking piece 15 is matched with a locking groove 121 of the outer pressing plate 12 to lock the outer pressing plate 12, one side of the back locking piece 15 is connected with a back locking knob 313 on the inner side of the panel 1, the other side of the back locking piece 15 is connected with a lock cylinder 414 on the outer side of the panel 1, when the door lock needs to be back locked, the back locking piece 15 can be driven to rotate only by rotating the back locking knob 313 or using a key to rotate the lock cylinder 414, so that one end of the back locking piece 15 is rotated into the locking groove 121 of the outer pressing plate 12, and the outer pressing plate 12 cannot swing relative to the panel 1, namely, an outdoor person cannot press the outer pressing plate 12, and the back locking of the door lock is realized.

The panel 1 is provided with a locking positioning hole and an unlocking positioning hole which are matched with the positioning ball 151, a compression spring is arranged below the positioning ball 151 and ejects the positioning ball 151, a part of the positioning ball 151 can be placed in the locking positioning hole or the unlocking positioning hole, when the locking piece 15 is in the locking position, the positioning ball 151 is matched with the locking positioning hole to lock the locking piece 15 in the locking position, when the locking piece 15 is in the unlocking position, the positioning ball 151 is matched with the unlocking positioning hole to lock the locking piece 15 in the unlocking position, self-switching of the locking piece 15 in the locking position and the unlocking position is avoided, and stability of a door lock structure is improved.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (8)

1. A flat lock comprises a panel on one side and a lock tongue on the other side, and is characterized in that an inner pressing plate is arranged on the inner side of the panel in a swinging manner, and an outer pressing plate is arranged on the outer side of the panel in a swinging manner;

the lock tongue comprises a shell and a lock tongue body which is arranged on the shell in a sliding way, an unlocking piece is rotationally arranged in the shell, one end part of the unlocking piece is matched with the lock tongue body, and the other end part of the unlocking piece stretches into the panel to be matched with the inner pressing plate and the outer pressing plate;

The inner pressing plate/the outer pressing plate is pressed down, the inner pressing plate/the outer pressing plate drives the unlocking piece to rotate, and the other end part of the unlocking piece drives the lock tongue body to slide into the shell.

2. The flat lock according to claim 1, wherein the front end of the lock tongue body is internally provided with a self-attraction magnet, and the rear end of the lock tongue body is connected with a tension spring for preventing the lock tongue body from sliding out of the shell.

3. The flat lock according to claim 1 or 2, wherein the unlocking member comprises a driving arm and an unlocking arm, one end of the driving arm is connected with the unlocking arm, the other end of the driving arm stretches into the panel, and the unlocking arm is driven by the inner pressing plate or the outer pressing plate to push the lock tongue body to slide.

4. A flat lock according to claim 3, wherein the unlocking member has a T-shape.

5. A flat lock according to claim 1 or 2, wherein the inner and outer pressure plates are provided with a return torsion spring, one end of which abuts against the panel and the other end abuts against the inner/outer pressure plate.

6. The flat lock according to claim 5, wherein a counter lock is arranged on the outer side of the panel, one end of the counter lock is rotatably arranged in the panel, and the other end of the counter lock is matched with a locking groove of the outer pressing plate to lock the outer pressing plate.

7. The flat lock according to claim 6, wherein one side of the counter lock is connected to a counter lock knob on the inner side of the panel, and the other side is connected to a lock cylinder on the outer side of the panel.

8. The flat lock according to claim 7, wherein the counter lock is provided with a positioning ball, and the panel is provided with a counter lock positioning hole and a counter lock unlocking hole which are matched with the positioning ball;

When the counter-locking piece is in the counter-locking position, the positioning ball is matched with the counter-locking positioning hole to lock the counter-locking piece in the counter-locking position, and when the counter-locking piece is in the unlocking position, the positioning ball is matched with the unlocking positioning hole to lock the counter-locking piece in the unlocking position.