WO2022100013A1

WO2022100013A1 - Door lock structure

Info

Publication number: WO2022100013A1
Application number: PCT/CN2021/089850
Authority: WO
Inventors: 王建成
Original assignee: 王建成
Priority date: 2020-11-14
Filing date: 2021-04-26
Publication date: 2022-05-19
Also published as: CN213774878U

Abstract

The present utility model relates to a door lock structure which comprises a lock tongue and a mounting slot. Elastic pieces are arranged on opposite sides in a horizontal direction of the lock tongue and are squeeze-fitted with an inner wall of the mounting slot. When the door is closed, the elastic pieces on the two sides of the lock tongue are abutted against the inner wall of the mounting slot, thereby preventing noise.

Description

a door lock structure

technical field

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

Background technique

A door lock is a device used to lock a door to prevent others from opening the door.

The existing door lock includes a deadbolt portion provided on the door body and a mounting groove provided on the door frame. When the door is closed, the deadbolt portion is embedded in the mounting groove to fix the door body.

The prior art scheme in the above has the following defects:

However, there is an error in the actual processing of the lock tongue and the installation groove. The installation groove is larger than the lock tongue. When the flowing air hits the door body, the lock tongue will move in the installation groove, making impact noise, and the same is true for the lock tongue. cause damage.

Utility model content

Aiming at the deficiencies of the prior art, one of the purposes of the present invention is to provide a door lock structure in which the elastic pieces on both sides of the latch contact the inner wall of the installation slot when the door is closed, thereby avoiding the generation of noise.

The above-mentioned utility model purpose of the present utility model is achieved through the following technical solutions:

A door lock structure includes a lock tongue and an installation groove, elastic pieces are arranged on opposite sides of the lock tongue in the horizontal direction, and the elastic pieces are press-fitted with the inner wall of the installation groove.

In a preferred example of the present invention, the elastic member can be further configured as follows: the elastic member has a strip-like structure, the two ends of the elastic member in the longitudinal direction are fixed to the two ends in the longitudinal direction of the lock tongue, and the middle of the elastic member is connected to the lock bolt. Deformation space is reserved between the tongues.

In a preferred example of the present invention, it can be further configured that: both ends of the elastic member are embedded in the lock tongue.

In a preferred example of the present invention, it can be further configured that: the opposite sides of the lock tongue in the horizontal direction are provided with installation cavities, the installation cavities are provided with an elastic support member and the elastic member, and the elastic member The elastic support member is slidably embedded in the installation cavity, and the elastic support member tends to push the elastic member to move out of the installation cavity.

In a preferred example of the present invention, the elastic member can be further configured as follows: the elastic member includes a circular plate and a hemisphere concentrically fixed on the circular plate, and the circular plate is in contact with the elastic support member.

In a preferred example of the present invention, it can be further configured that: two installation cavities are arranged in communication, and a single elastic support member is arranged between the elastic members.

In a preferred example of the present invention, the elastic member can be further configured as follows: the elastic member is made of rubber material, the elastic member is hemispherical, and the plane of the elastic member is fixed on the lock tongue.

To sum up, the present utility model includes at least one of the following beneficial technical effects:

When the door is closed, the elastic pieces on both sides of the lock tongue are in contact with the inner wall of the installation slot, so as to avoid the generation of noise.

Description of drawings

1 is a schematic structural diagram of Embodiment 1;

Fig. 2 is the structural representation of embodiment two;

Fig. 3 is the structural representation of embodiment three;

FIG. 4 is a schematic structural diagram of the fourth embodiment.

In the figure, 1, lock tongue; 2, installation cavity; 3, elastic member; 31, circular plate; 32, hemisphere; 4, elastic support member.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

Example 1:

As shown in FIG. 1 , a door lock structure includes a lock tongue 1 arranged on the door body and a mounting groove (not shown in the figure) arranged on the door frame. The lock tongue 1 has a rectangular parallelepiped structure. Move into or out of the installation slot to achieve the purpose of closing and opening the door.

An elastic member 3 is installed on the opposite sides of the horizontal direction of the lock tongue 1. The elastic member 3 is in the shape of a long strip, and the two ends of the elastic member 3 are bent towards the direction of the lock tongue 1, and the two ends of the elastic member 3 are inserted into Connected to the lock tongue 1, a deformation space is formed between the middle of the elastic member 3 and the lock tongue 1;

During the door closing process, the lock tongue 1 partially enters the installation slot, and at the same time, the middle part of the elastic piece 3 is in contact with the notch of the installation slot. The part moves in the direction of the deformation space. When the door body is completely closed, the elastic pieces 3 on both sides of the lock tongue 1 are always in elastic contact with the inner wall of the installation slot. If the flowing air impacts the door body, the elastic pieces 3 can effectively avoid the lock tongue. 1. It directly collides with the inner wall of the installation groove, avoiding the noise of collision.

At the same time, the two ends of the locking tongue 1 and the elastic member 3 can be further welded or directly welded to the locking tongue 1 to ensure the stability of the connection between the elastic member 3 and the locking tongue 1 .

Embodiment 2:

As shown in FIG. 2 , a door lock structure includes a lock tongue 1 arranged on the door body and a mounting groove (not shown in the figure) arranged on the door frame. The lock tongue 1 has a rectangular parallelepiped structure. Move into or out of the installation slot to achieve the purpose of closing and opening the door.

Installation cavities 2 are provided on opposite sides of the horizontal direction of the lock tongue 1, and an elastic support member 4 and an elastic member 3 are arranged in the installation cavity 2. The elastic support member 4 can be elastically supported by a support spring, rubber, etc. The structure or material of the force, the elastic member 3 includes a circular plate 31 and a hemisphere 32, the plane of the hemisphere 32 is concentrically fixed to one side of the circular plate 31, the other side of the circular plate 31 is in contact with the elastic support member 4, and the circular plate The diameter of the 31 is larger than the diameter of the hemisphere 32, and a retaining ring is fixed at the cavity opening of the installation cavity 2;

During the door closing process, the lock tongue 1 partially enters the installation slot, and at the same time the hemisphere 32 abuts against the notch of the installation slot. When the lock tongue 1 gradually enters the installation slot, the inner wall of the installation slot makes the elastic member 3 partially enter the installation cavity 2 When the door body is completely closed, the elastic pieces 3 on both sides of the lock tongue 1 are always in elastic contact with the inner wall of the installation groove. Direct collision, avoiding the noise of collision.

Embodiment three:

The difference from the second embodiment is:

As shown in FIG. 3 , the installation cavities 2 on both sides of the lock tongue 1 are connected, and only one elastic support member 4 is arranged between the elastic members 3 . The number of supports 4, thereby reducing the cost.

Embodiment 4:

As shown in FIG. 4 , a door lock structure includes a deadbolt 1 arranged on the door body and an installation groove (not shown in the figure) provided on the door frame. Move into or out of the installation slot to achieve the purpose of closing and opening the door.

Wherein, an elastic member 3 is installed on the opposite sides of the horizontal direction of the lock tongue 1, and the elastic member 3 is made of hemispherical rubber, and the plane of the elastic member 3 is fixed on the lock tongue 1 by vulcanization;

During the door closing process, the lock tongue 1 partially enters the installation slot, and at the same time the elastic piece 3 is in contact with the slot of the installation slot. When the lock tongue 1 gradually enters the installation slot, the inner wall of the installation slot causes the elastic piece 3 to be squeezed and deformed. When the door body is completely closed, the elastic pieces 3 on both sides of the lock tongue 1 are always in elastic contact with the inner wall of the installation slot. If there is flowing air hitting the door body, the elastic pieces 3 can effectively prevent the lock tongue 1 from directly colliding with the inner wall of the installation slot. , to avoid the noise of collision.

The examples of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention are not It should be covered within the protection scope of the present invention.

Claims

A door lock structure, comprising a lock tongue (1) and an installation slot, characterized in that: elastic pieces (3) are provided on opposite sides of the lock tongue (1) in the horizontal direction, and the elastic pieces (3) are connected with the installation groove. The inner wall of the groove is press fit.
A door lock structure according to claim 1, characterized in that: the elastic member (3) is a strip-shaped structure, and both ends of the elastic member (3) in the longitudinal direction are fixed to the longitudinal direction of the lock tongue (1). At both ends of the elastic piece (3), a deformation space is reserved between the middle of the elastic piece (3) and the locking tongue (1).
A door lock structure according to claim 2, characterized in that: both ends of the elastic member (3) are embedded in the lock tongue (1).
A door lock structure according to claim 1, wherein installation cavities (2) are provided on opposite sides of the lock tongue (1) in the horizontal direction, and elastic cavities (2) are provided in the installation cavity (2). A support member (4) and the elastic member (3), the elastic member (3) is slidably embedded in the installation cavity (2), and the elastic support member (4) has the function of pushing the elastic member (3) to the installation cavity (2) The trend of external movement.
A door lock structure according to claim 4, characterized in that: the elastic member (3) comprises a circular plate (31) and a hemisphere (32) concentrically fixed on the circular plate (31), the circular The plate (31) is in contact with the elastic support (4).
A door lock structure according to claim 4, characterized in that: the two installation cavities (2) are communicated with each other, and a single elastic support member (4) is arranged between the elastic members (3).
A door lock structure according to claim 1, characterized in that: the elastic member (3) is made of rubber material, and the elastic member (3) is hemispherical, and the elastic member (3) is in the shape of a hemisphere. The flat surface is fixed on the lock tongue (1).