CN215407981U

CN215407981U - Built-in door lock internal structure

Info

Publication number: CN215407981U
Application number: CN202120676300.7U
Authority: CN
Inventors: 顾剑锋
Original assignee: Jiangsu Jinfeng Door Industry Co ltd
Current assignee: Jiangsu Jinfeng Door Industry Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2022-01-04
Anticipated expiration: 2031-04-02

Abstract

The utility model discloses an internal structure of a hidden door lock, which comprises a door body, wherein a fixed block is fixedly connected to the inner surface of the door body, a spring bolt is connected to the inner surface of the fixed block in a sliding manner, a rack is fixedly connected to the right surface of the spring bolt, a connecting shaft is rotatably connected to the rear inner wall of the door body, a gear is fixedly connected to the outer surface of the connecting shaft, a handle is fixedly connected to the outer surface of the connecting shaft and positioned on the front side of the gear, and a door frame is rotatably connected to the right surface of the door body. According to the utility model, through designing the gear and the lock tongue, the internal part has complete control right when the door lock is locked in the door, the purpose of preventing people from being locked in the door is achieved, through designing the handle and the rack, the purpose that the door lock needs to be closed and moved by wind is achieved, the purpose of preventing the door from being blown and closed by wind is achieved, through designing the limit block and the disc spring, the door is prevented from being opened by vibration, in addition, the limit block can be automatically reset, and other operations are not needed.

Description

Built-in door lock internal structure

Technical Field

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

Background

High-end lock often need with the lock body imbed the door body completely in, the whole level of lock does not have protruding thing like this, and the lock body outside is parallel and level with the door plane moreover, and such door has regular big square characteristics, and the lock body imbeds the internal outside traditional door handle of door completely outsidely and stands out, and the stand-by power supply that electronic lock often adopted, its electric capacity is limited, and in electronic lock, the power consumption that the spring bolt of drive electronic lock withdraws is big.

Although a hidden door lock as described in CN209837917U solves the problem that the power of the latch bolt is still used to manually drive the lock spindle through the door handle, the following drawbacks still exist:

1. the hidden door lock can cause that personnel can be locked reversely in the door, thereby generating potential safety hazard;

2. the internal structure of the existing concealed door lock can cause the condition that the door can not be opened because the door is automatically blown and closed by wind.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an internal structure of a hidden door lock.

In order to achieve the purpose, the utility model adopts the following technical scheme: an internal structure of a hidden door lock comprises a door body, wherein a fixed block is fixedly connected to the inner surface of the door body, a spring bolt is connected to the inner surface of the fixed block in a sliding manner, a rack is fixedly connected to the right surface of the spring bolt, a connecting shaft is rotatably connected to the rear inner wall of the door body, and a gear is fixedly connected to the outer surface of the connecting shaft;

the surface of connecting axle just is located the front side fixedly connected with handle of gear, the right side surface of the door body rotates and is connected with the door frame, the upper end of spring bolt extends to the inside of door frame, the front surface of the door body rotates and is connected with the metal casing, the left surface fixedly connected with stopper of metal casing, the upper surface of stopper and the lower surface contact of protective sheath.

As a further description of the above technical solution:

the number of the fixed blocks is two, the fixed blocks are distributed up and down, and the lock tongue is connected with the inner surface of the door body in a sliding mode.

As a further description of the above technical solution:

the gear is connected with the inner surface of the door body in a sliding mode and meshed with the rack.

As a further description of the above technical solution:

the outer fixed surface of handle is connected with the protective sheath, the spring bolt and door frame sliding connection.

As a further description of the above technical solution:

the number of spring bolt is two and arranges from top to bottom, the upside the front surface of spring bolt is provided with scribbles the color piece, scribble the color of color piece and be two kinds and distribute from top to bottom.

As a further description of the above technical solution:

an opening is formed in the front surface of the door body and located on the left side of the metal shell, and the position of the opening corresponds to the position of the color coating block.

As a further description of the above technical solution:

the front end of the connecting shaft extends to the outer side of the door body, and a gap is formed between the handle and the door body.

As a further description of the above technical solution:

the inside fixedly connected with belleville spring of metal casing, the moment of torsion of stopper left end is 1.2 times of handle right-hand member moment of torsion.

The utility model has the following beneficial effects:

1. compared with the prior art, the built-in door lock inner structure realizes that the inside of the door lock is completely controlled when the door lock is locked in the door through the design of the gear and the lock tongue, and achieves the purpose of avoiding the personnel to be locked in the door.

2. Compared with the prior art, the built-in door lock internal structure realizes that the door lock is closed by moving the handle through designing the handle and the rack, and achieves the purpose of avoiding the condition that the door is blown to be closed by wind.

3. Compared with the prior art, the concealed door lock internal structure avoids the door from being opened by itself due to vibration by designing the limiting blocks and the disc springs, and the limiting blocks can automatically reset without performing other operations.

Drawings

FIG. 1 is a schematic view of the internal structure of a hidden door lock according to the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a front view of the internal structure of a concealed door lock according to the present invention;

fig. 4 is a schematic view of the overall structure of the hidden door lock according to the present invention.

Illustration of the drawings:

1. a protective sleeve; 2. a fixed block; 3. a door frame; 4. a latch bolt; 5. a connecting shaft; 6. coating color blocks; 7. a rack; 8. a gear; 9. a handle; 10. an opening; 11. a metal shell; 12. a disc spring; 13. a limiting block; 14. a door body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the present invention provides an internal structure of a concealed door lock: including the door body 14, the internal surface fixedly connected with fixed block 2 of the door body 14, fixed block 2 is used for the horizontal position of fixed spring bolt 4, the quantity of fixed block 2 is two and distributes from top to bottom, spring bolt 4 and the internal surface sliding connection of the door body 14, the internal surface sliding connection of fixed block 2 has spring bolt 4, spring bolt 4 is used for locking the door, the right fixed surface of spring bolt 4 is connected with rack 7, the back inner wall of the door body 14 rotates and is connected with connecting axle 5, the front end of connecting axle 5 extends to the outside of the door body 14, form the gap between handle 9 and the door body 14, the external surface fixedly connected with gear 8 of connecting axle 5, gear 8 and the internal surface sliding connection of the door body 14, gear 8 and rack 7 meshing.

The structure has great difference with a door lock using a key, and is more convenient and more reliable in complete mechanical transmission in certain special scenes.

The outer surface of the connecting shaft 5 is fixedly connected with a handle 9 positioned on the front side of the gear 8, the handle 9 is used for controlling the position of the bolt 4, the outer surface of the handle 9 is fixedly connected with a protective sleeve 1, the bolt 4 is connected with a door frame 3 in a sliding manner, the right surface of the door body 14 is rotatably connected with the door frame 3, the bolt 4 is arranged in two and is arranged up and down, the front surface of the bolt 4 on the upper side is provided with a color coating block 6, the color coating block 6 is used for prompting the current position of the bolt 4, the colors of the color coating block 6 are two and are distributed up and down, the upper end of the bolt 4 extends into the door frame 3, the front surface of the door body 14 is rotatably connected with a metal shell 11, the front surface of the door body 14 and positioned on the left side of the metal shell 11 are provided with an opening 10, the position of the opening 10 corresponds to the position of the color coating block 6, the left surface of the metal shell 11 is fixedly connected with a limiting block 13, and the limiting block 13 is used for supporting the handle 9, the upper surface of stopper 13 and the lower surface contact of protective sheath 1, the inside fixedly connected with disc spring 12 of metal casing 11, the moment of torsion of stopper 13 left end is 1.2 times of the right-hand member moment of torsion of handle 9.

People who uses for the first time through designing this structure observe the position of spring bolt 4 easily and need not to carry out the position that remaining complicated operation comes the restriction handle 9 to it is simple more convenient.

The working principle is as follows: when the door body 14 is closed, the handle 9 is rotated, the handle 9 drives the gear 8 to rotate, the gear 8 drives the two racks 7 to move downwards and upwards respectively in the rotating process, the bolt 4 moves out of the door frame 3, the door body 14 can be opened, the handle 9 is moved in the reverse direction when the door body needs to be closed, the bolt 4 extends outwards, the color displayed in the opening 10 by the color painting block 6 is changed, so that prompt is given, when the handle 9 touches the limiting block 13, the metal shell 11 rotates, and when the handle 9 is positioned on the upper surface of the limiting block 13, the limiting block 13 provides support.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a hidden lock inner structure, includes door body (14), its characterized in that: the inner surface of the door body (14) is fixedly connected with a fixed block (2), the inner surface of the fixed block (2) is connected with a lock tongue (4) in a sliding mode, the right surface of the lock tongue (4) is fixedly connected with a rack (7), the rear inner wall of the door body (14) is rotatably connected with a connecting shaft (5), and the outer surface of the connecting shaft (5) is fixedly connected with a gear (8);

the surface of connecting axle (5) just is located front side fixedly connected with handle (9) of gear (8), the right surface of the door body (14) rotates and is connected with door frame (3), the upper end of spring bolt (4) extends to the inside of door frame (3), the front surface of the door body (14) rotates and is connected with metal casing (11), the left surface fixedly connected with stopper (13) of metal casing (11), the upper surface of stopper (13) and the lower surface contact of protective sheath (1).

2. A concealed door lock internal structure according to claim 1, wherein: the number of the fixed blocks (2) is two and the fixed blocks are distributed up and down, and the lock tongue (4) is connected with the inner surface of the door body (14) in a sliding manner.

3. A concealed door lock internal structure according to claim 1, wherein: the gear (8) is connected with the inner surface of the door body (14) in a sliding mode, and the gear (8) is meshed with the rack (7).

4. A concealed door lock internal structure according to claim 1, wherein: the outer fixed surface of handle (9) is connected with protective sheath (1), spring bolt (4) and door frame (3) sliding connection.

5. A concealed door lock internal structure according to claim 1, wherein: the number of spring bolt (4) is two and arranges from top to bottom, upside the front surface of spring bolt (4) is provided with scribbles look piece (6), the colour of scribbling look piece (6) is two kinds and distributes from top to bottom.

6. A concealed door lock internal structure according to claim 1, wherein: an opening (10) is formed in the front surface of the door body (14) and located on the left side of the metal shell (11), and the position of the opening (10) corresponds to the position of the color coating block (6).

7. A concealed door lock internal structure according to claim 1, wherein: the front end of the connecting shaft (5) extends to the outer side of the door body (14), and a gap is formed between the handle (9) and the door body (14).

8. A concealed door lock internal structure according to claim 1, wherein: the inside fixedly connected with belleville spring (12) of metal casing (11), the moment of torsion of stopper (13) left end is 1.2 times of handle (9) right-hand member moment of torsion.