CN211572961U

CN211572961U - Door lock capable of preventing children from being accidentally locked

Info

Publication number: CN211572961U
Application number: CN201922341022.5U
Authority: CN
Inventors: 张雷
Original assignee: Zhongshan Haishiman Intelligent Technology Co ltd
Current assignee: Zhongshan Haishiman Intelligent Technology Co ltd
Priority date: 2019-12-22
Filing date: 2019-12-22
Publication date: 2020-09-25
Anticipated expiration: 2029-12-22

Abstract

The utility model discloses a door lock for preventing children from being locked accidentally, which comprises a lock body, a front panel matched with the lock body and a rear panel, wherein the rear panel is positioned at the inner side of a door, a safety spring bolt is arranged at the bottom of the lock body, a safety knob is arranged on the rear panel corresponding to the safety spring bolt, a safety rotating shaft is connected onto the safety knob, the end part of the safety rotating shaft is connected with a spring bolt square rod, and the safety spring bolt is driven to open and close by the spring bolt square rod, an elastic locking mechanism for limiting the rotation of the safety rotating shaft is arranged on the safety rotating shaft, and the limitation of the elastic; the utility model provides a door lock for preventing children from being locked accidentally, which can remove the limitation of an elastic locking mechanism by pressing a safety knob and rotate to drive a safety rotating shaft to rotate, and the safety rotating shaft rotates to drive a safety lock tongue to open and close; and then the door is opened and closed, and the door can be opened and closed only by pressing and rotating the safety knob from the inner side of the door, so that the function of preventing children from being locked accidentally is realized.

Description

Door lock capable of preventing children from being accidentally locked

Technical Field

The utility model relates to a lock technical field specifically is a prevent unexpected lock of locking of children.

Background

Door locks are devices used, as the name implies, to lock a door to prevent others from opening the door; the door lock is different from the application due to the locking technology, and comprises the following types: the foldable spherical door lock has spherical handle, simple production process and low cost. The door lock is applied to a plurality of fields in China, and is generally used for indoor door locks due to poor safety. The product material mainly is iron, stainless steel and copper, and iron is used for the interior structure of product, and the multipurpose stainless steel of shell, the folding three-rod type handle lock of the multipurpose copper of lock core. The handle of the finger door lock is a door handle, the manufacturing process is relatively simple, and the manufacturing cost is low. The lock is very widely applied in China, is generally used for indoor door locks due to poor safety, and is mainly made of iron, stainless steel, copper and zinc alloy, wherein the iron is used for the inner structure of the product, the shell is made of stainless steel, the lock cylinder is made of copper, the lock handle is made of zinc alloy, and the folding mortise handle lock is divided into split locks and conjoined locks, has more products, is made of zinc alloy, stainless steel and copper, has good safety and is commonly used for doors of entrances and rooms; office buildings are more commonly used; the folding glass door lock has the advantages that glass does not need to be provided with holes, and the safety performance is good; the domestic door lock comprises a lock body, a front panel and a rear panel, wherein the front panel and the rear panel are matched with the lock body; the door lock structure has certain potential safety hazards, particularly, children easily trigger the safety knob to open or close the door by mistake, and therefore the inventor synthesizes various factors and provides the door lock for preventing children from being locked accidentally.

Disclosure of Invention

An object of the utility model is to provide a prevent lock of children's unexpected locking to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a door lock capable of preventing children from being locked accidentally comprises a lock body, a front panel and a rear panel, wherein the front panel and the rear panel are matched with the lock body, the rear panel is located on the inner side of a door, a safety lock tongue is arranged at the bottom of the lock body, a safety knob is arranged on the rear panel corresponding to the safety lock tongue, a safety rotating shaft is connected onto the safety knob, a lock tongue square rod is connected to the end portion of the safety rotating shaft, the safety lock tongue is driven to be opened and closed through the lock tongue square rod, an elastic locking mechanism for limiting the safety rotating shaft to rotate is arranged on the safety rotating;

when the safety lock works, the limit of the elastic locking mechanism can be released by pressing the safety knob, the safety rotating shaft is driven to rotate by rotation, the end part of the safety rotating shaft is connected with a lock tongue square rod, and the safety lock tongue is driven to open and close by the lock tongue square rod; the door is opened and closed, so that the door can be opened and closed only by pressing and rotating the safety knob from the inner side of the door, and the function of preventing children from being locked accidentally is realized;

as a further aspect of the present invention: the elastic locking mechanism comprises a column bin arranged in the rear panel, and the safety rotating shaft extends into the column bin and can freely rotate and stretch in the column bin; the end part of the safety rotating shaft in the column bin is provided with a convex column, and the end part of the convex column is connected with a square rod of the lock tongue; a locking block is fixedly arranged on the outer side of the convex column, a locking groove is formed in the end part of the column bin corresponding to the locking block, a safety spring is sleeved on the safety rotating shaft in the column bin, one end of the safety spring is connected with the side wall of the column bin, the other end of the safety spring is connected with the convex column, and the locking block is just matched in the locking groove when the safety spring is in a free state to lock the safety rotating shaft; pressing insurance knob extrusion insurance pivot, promoting the locking piece and breaking away from the locking groove, and then removing the locking, rotatory insurance knob this moment realizes that the insurance spring bolt is opened and close, realizes preventing the unexpected function of locking of children.

As a further aspect of the present invention: the locking groove is a hexagonal groove, and the locking block is a hexagonal block.

As a further aspect of the present invention: the end part of the convex column is detachably and fixedly connected with the square rod of the lock tongue.

As a further aspect of the present invention: the end part of the convex column is provided with a connecting seat, a square rod groove is arranged on the connecting seat, and a lock tongue square rod is matched in the square rod groove and fixed through a bolt.

As a further aspect of the present invention: the bolt is fibril bolt, and fibril bolt transversely runs through spring bolt square bar and square bar groove, and both ends are crooked to connect the spring bolt square bar lock on the square bar groove.

Compared with the prior art, the utility model discloses the beneficial effect of following several aspects has:

the utility model provides a door lock preventing children from being locked accidentally, which can remove the limitation of an elastic locking mechanism by arranging the elastic locking mechanism on a safety rotating shaft and pressing a safety knob, and can rotate a safety rotating shaft to be driven to rotate, wherein the end part of the safety rotating shaft is connected with a spring bolt square rod and drives a safety spring bolt to open and close through the spring bolt square rod; the door is opened and closed, so that the door can be opened and closed only by pressing and rotating the safety knob from the inner side of the door, and the function of preventing children from being locked accidentally is realized;

the utility model further designs an elastic locking mechanism concretely, which comprises a post bin arranged in the back panel, and the safety rotating shaft extends into the post bin and can freely rotate and stretch in the post bin; the end part of the safety rotating shaft in the column bin is provided with a convex column, and the end part of the convex column is connected with a square rod of the lock tongue; a locking block is fixedly arranged on the outer side of the convex column, a locking groove is formed in the end part of the column bin corresponding to the locking block, a safety spring is sleeved on the safety rotating shaft in the column bin, one end of the safety spring is connected with the side wall of the column bin, the other end of the safety spring is connected with the convex column, and the locking block is just matched in the locking groove when the safety spring is in a free state to lock the safety rotating shaft; pressing insurance knob extrusion insurance pivot, promoting the locking piece and breaking away from the locking groove, and then removing the locking, rotatory insurance knob realizes that the insurance spring bolt opens and close this moment, and simple structure is firm, realizes the function that prevents the unexpected locking of children.

The utility model discloses further the locking groove is the hexagonal groove, the locking piece is hexagonal piece; the end part of the convex column is detachably and fixedly connected with the square rod of the lock tongue; the bolt is characterized in that the bolt square bar and the square bar groove are transversely penetrated through the fibril bolt, the bolt square bar is locked and connected on the square bar groove through bending of two ends, and the bolt square bar is convenient to mount and dismount.

Drawings

Fig. 1 is a schematic view showing a structure of a door lock for preventing a child from being accidentally locked.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic view showing the engagement of a locking piece and a locking groove in a door lock for preventing a child from accidentally locking.

In the figure: 1. a rear panel; 2. a lock body; 3. a front panel; 4. a safety bolt; 5. a bolt square bar; 6. a safety rotating shaft; 7. a safety knob; 8. a column bin; 9. a safety spring; 10. a locking groove; 11. a locking block; 12. a bolt; 13. a connecting seat; 14. a square rod groove; 15. a convex column.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-3, a door lock for preventing children from being accidentally locked includes a lock body 2, a front panel 3 and a rear panel 1, wherein the front panel 3 is matched with the lock body 2, the rear panel 1 is located at the inner side of the door, a safety lock tongue 4 is arranged at the bottom of the lock body 2, a safety knob 7 is arranged on the rear panel 1 corresponding to the safety lock tongue 4, a safety rotating shaft 6 is connected to the safety knob 7, the end of the safety rotating shaft 6 is connected with a lock tongue square rod 5, the safety lock tongue 4 is driven to open and close through the lock tongue square rod 5, an elastic locking mechanism for limiting the rotation of the safety rotating shaft 6 is arranged on the safety rotating shaft 6, and the limitation; in the embodiment, the elastic locking mechanism comprises a column bin 8 arranged in the rear panel 1, and the safety rotating shaft 6 extends into the column bin 8 and can freely rotate in the column bin 8; a convex column 15 is arranged at the end part of the safety rotating shaft 6 in the column bin 8, and the end part of the convex column 15 is connected with the lock tongue square rod 5; a locking block 11 is fixedly arranged on the outer side of the convex column 15, a locking groove 10 is formed in the end part of the column bin 8 corresponding to the locking block 11, a safety spring 9 is sleeved on the safety rotating shaft 6 in the column bin 8, one end of the safety spring 9 is connected with the side wall of the column bin 8, the other end of the safety spring is connected with the convex column 15, and the locking block 11 is just matched in the locking groove 10 when the safety spring 9 is in a free state to lock the safety rotating shaft 6; pressing insurance knob 7 extrusion insurance pivot 6, promoting locking piece 11 and breaking away from locking groove 10, and then removing the locking, rotatory insurance knob 7 realizes that insurance spring bolt 4 opens and close this moment, realizes the function that prevents the unexpected locking of children.

In this embodiment, the locking groove 10 is a hexagonal groove, and the locking block 11 is a hexagonal block; the end part of the convex column 15 is detachably and fixedly connected with the lock tongue square rod 5; a connecting seat 13 is arranged at the end part of the convex column 15, a square rod groove 14 is arranged on the connecting seat 13, and the bolt square rod 5 is matched in the square rod groove 14 and fixed through a bolt 12; the bolt 12 is a fibril bolt which transversely penetrates through the bolt square rod 5 and the square rod groove 14, and two ends of the fibril bolt are bent to lock the bolt square rod 5 on the square rod groove 14.

It should be noted that the transmission connection relationship between the lock tongue square bar and the safety lock tongue is the conventional prior art, and the present case is not described herein;

the utility model discloses a theory of operation is: when the safety lock works, the limit of the elastic locking mechanism can be released by pressing the safety knob 7, the safety rotating shaft 6 is driven to rotate in a rotating mode, the end portion of the safety rotating shaft 6 is connected with the lock tongue square rod 5, and the safety lock tongue 4 is driven to open and close through the lock tongue square rod 5; the door is opened and closed, so that the door can be opened and closed only by pressing and rotating the safety knob 7 from the inner side of the door, and the function of preventing children from being locked accidentally is realized;

in the description of the present invention, it is to be noted that, unless otherwise explicitly specified 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 meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a prevent unexpected lock of children, including lock body (2), with lock body (2) complex front panel (3) and rear panel (1), wherein rear panel (1) is located the door inboard, lock body (2) bottom is provided with insurance spring bolt (4), it is provided with insurance knob (7) to correspond insurance spring bolt (4) on rear panel (1), be connected with insurance pivot (6) on insurance knob (7), insurance pivot (6) end connection has spring bolt square pole (5) to open and close through spring bolt square pole (5) drive insurance spring bolt (4), a serial communication port, be provided with restriction insurance pivot (6) pivoted elasticity locking mechanism on insurance pivot (6), press insurance knob (7) and can remove elasticity locking mechanism restriction.

2. A door lock preventing children from locking accidentally according to claim 1, characterized in that the elastic locking mechanism comprises a post bin (8) arranged in the back panel (1), the safety rotating shaft (6) extends into the post bin (8) and can rotate and stretch freely in the post bin (8); a convex column (15) is arranged at the end part of the safety rotating shaft (6) in the column bin (8), and the end part of the convex column (15) is connected with a lock tongue square rod (5); the locking block (11) is fixedly arranged on the outer side of the convex column (15), the end part of the column bin (8) is provided with a locking groove (10) corresponding to the locking block (11), a safety spring (9) is sleeved on the safety rotating shaft (6) in the column bin (8), one end of the safety spring (9) is connected with the side wall of the column bin (8), the other end of the safety spring is connected with the convex column (15), the locking block (11) is just matched in the locking groove (10) when the safety spring (9) is in a free state, and the safety rotating shaft (6) is locked.

3. A child-resistant door lock according to claim 2, characterized in that the locking groove (10) is a hexagonal groove and the locking block (11) is a hexagonal block.

4. A lock against children's accidental locking according to claim 2 or 3, characterized in that the end of the stud (15) is removably fixed to the bolt square bar (5).

5. The door lock for preventing children from being locked accidentally as claimed in claim 4, wherein the protruding column (15) is provided with a connecting seat (13) at the end, a square bar groove (14) is provided on the connecting seat (13), and the bolt square bar (5) is fitted in the square bar groove (14) and fixed by the bolt (12).

6. A child-resistant door lock according to claim 5, characterized in that the bolt (12) is a filament bolt which extends transversely through the bolt square bar (5) and the square bar groove (14) and is bent at both ends to lock the bolt square bar (5) in the square bar groove (14).