CN114412307A

CN114412307A - Convenient safety lock

Info

Publication number: CN114412307A
Application number: CN202210143668.6A
Authority: CN
Inventors: 曾军
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-04-29

Abstract

The invention relates to a household article, in particular to a convenient safety lock, which comprises: the lock belt is provided with lock tongues at two ends respectively; the first locking block is provided with a locking hole, the spring bolt is inserted into the first locking block through the locking hole, and the locking and unlocking of the spring bolt and the first locking block are realized through a first sliding block arranged in the first locking block; and the second locking block is hinged with the bolt at the other end. The lock belt, the lock tongue, the lock block and the sliding block can be integrally molded by injection molding, any hardware and secondary processing are not needed, the manufacturing is convenient, the cost is reduced, the number of components is small, the assembly is simple, various shapes such as customized patterns or product marks can be printed on the surface of the lock belt, and the lock belt is used as a platform for personalized display. The invention has the advantages of ingenious structural design, stable and firm work among components, realization of locking and unlocking by pressing the pressing part on the sliding block with a single finger, and convenient and fast operation.

Description

Convenient safety lock

Technical Field

The invention relates to a household article, in particular to a convenient safety lock.

Background

Most furniture, electrical appliances and the like are generally provided with structures such as a sliding door or a drawer, when children are at home, the children are easy to pull the door or the drawer open by themselves due to the good movement of the children, and unnecessary accidental injuries are caused. The existing furniture is convenient to open, the door and the drawer part can not be locked generally, even if locking is needed in the later period, the installation is a more complicated process, and the integral attractiveness of the furniture is easily influenced; an electric appliance such as a refrigerator cannot be provided with a door lock by itself; some cabinets with locks need to be unlocked by a matched key, so that the unlocking is troublesome, and the key is easy to lose.

The children safety lock for furniture, disclosed as Chinese utility model patent publication No. CN204152348U (patent No. ZL201420587666.7), comprises a fixed seat, an interface structure, a joint and a soft braid, wherein a slot I is formed at one side of the fixed seat, and an access slot is formed at one side of the interface structure; a plug tongue matched with the access groove is formed on one side of the joint, and a slot II is formed on the side deviating from the plug tongue; the two ends of the soft braid are respectively fixed with an elastic plug I and an elastic plug II which connect the fixed seat and the joint into an integral structure, wherein the bottom parts of the fixed seat and the joint structure are respectively fixed on two sides of the opening position of the furniture drawer or the cabinet door through double-sided adhesive tapes, and the locking is completed after the insertion tongue and the access groove are clamped and fixed. The safety lock can solve the existing problems, but has the following defects: 1) the safety lock comprises 4 components of a fixed seat, an interface structure, a joint and a soft braid, and the components are more and complex to assemble; 2) the elastic plug I and the elastic plug II of the soft mesh belt are respectively inserted into the slot I and the slot II, so that the display surface of the safety lock, namely the top surface, is not only the top surface of the lock belt, and the overall attractiveness of the safety lock is influenced.

Therefore, further improvements are needed for existing security locks.

Disclosure of Invention

The invention aims to solve the technical problem of providing a convenient safety lock which is simple and convenient to use and attractive in appearance.

In order to achieve the purpose, the invention adopts the technical scheme that the convenient safety lock comprises: the lock belt is characterized in that two end parts of the lock belt are respectively provided with a first lock bolt and a second lock bolt which are formed by protruding towards the same side surface of the lock belt;

the first lock bolt is inserted into the first lock block through the lock hole, and the first lock bolt and the first lock block are locked and unlocked through a first sliding block arranged in the first lock block;

and the second locking block is hinged with the second bolt.

The technical scheme for achieving the purpose of the invention further includes that the first lock block is a hollow cavity structure, a groove-shaped opening is formed in one side wall of the first lock block, the first sliding block is a rectangular block structure and is inserted into the hollow cavity of the first lock block through the groove-shaped opening and slides in the first lock block in a limiting mode through a limiting mechanism, a lock tongue limiting hole is formed in the first sliding block, when the first sliding block moves towards the outer side of the first lock block cavity, a lock hole in the first lock block is staggered with the lock tongue limiting hole, the first lock block and the first sliding block limit and lock the first lock tongue, and when the first sliding block moves towards the inner side of the first lock block cavity, the lock hole is aligned with the lock tongue limiting hole, and locking of the first lock tongue is unlocked.

The technical scheme for realizing the purpose of the invention further comprises that when the first sliding block is inserted into the cavity body of the first locking block, the front end part of the first sliding block is arranged in the cavity body of the first locking block, the front end part is provided with an elastic supporting piece, and the rear end part of the first sliding block protrudes out of the groove-shaped opening of the first locking block to form a pressing part of the first sliding block.

The technical scheme for achieving the purpose of the present invention further includes that the limiting mechanism is a limiting block arranged on the first sliding block and a limiting groove correspondingly arranged on the first locking block, and the limiting block is clamped in the limiting groove, so that the first sliding block slides in the first locking block cavity and cannot be separated from the first locking block.

Furthermore, the first sliding block is provided with an elastic sheet, one side of the pressing part is used as a starting edge of the elastic sheet, the elastic sheet extends out towards the opposite side of the pressing part, and an included angle is formed between the elastic sheet and the first sliding block body.

Furthermore, the first lock tongue is a cylindrical body extending outwards from the lock belt body, and the diameter of the middle position of the cylindrical body is smaller than the diameter of the root of the cylindrical body and the diameter of the end of the cylindrical body, so that a first notch is formed in the middle position of the first lock tongue.

Compared with the prior art, the invention has the beneficial effects that:

1. the lock belt, the lock tongue, the lock block and the sliding block can be integrally formed by injection molding, any hardware and secondary processing are not needed, the manufacturing is convenient, and the cost is reduced;

2. the invention only comprises three components of the lock belt and two lock blocks, the components are few, the assembly is simple, the lock tongue extends downwards from the bottom of the lock belt to form, the design ensures that the display surface of the safety lock is only the top surface of the lock belt, therefore, various different shapes such as customized patterns or product marks can be printed on the surface of the lock belt, and the lock belt is used as a platform for personalized display;

3. the sliding block is limited in the transverse direction through the limiting block and the limiting groove, and is limited in the longitudinal direction through the elastic sheet arranged on the sliding block, the structural design is ingenious, the parts can stably and firmly work, the locking and unlocking can be realized by pressing the pressing part on the sliding block with a single finger, and the operation is convenient.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an exploded view of the first embodiment of the present invention;

FIG. 3 is an exploded view of the second embodiment of the present invention;

FIG. 4 is a view of the assembly structure of the locking block and the sliding block of the present invention;

FIG. 5 is a perspective view of the slider of the present invention;

FIG. 6 is a side view of the slider of the present invention.

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.

As shown in figures 1-3, the invention relates to a convenient safety lock, which comprises

The lock comprises a lock belt 1, wherein a first bolt 11 and a second bolt 12 which are formed by protruding towards the same side surface of the lock belt 1 are respectively arranged at two end parts of the lock belt 1;

the first lock block 2 is provided with a lock hole 21, the first bolt 11 is inserted into the first lock block 2 through the lock hole 21, and the first bolt 11 and the first lock block 2 are locked and unlocked through a first slide block 22 arranged in the first lock block 2;

and the second locking block 3 is hinged with the second bolt 12.

The lock belt is made of a softer belt body, can be bent freely and is suitable for a drawer, a cabinet door, a refrigerator door and the like, and a first lock bolt and a second lock bolt are arranged on one side of the lock belt and are respectively hinged with a first lock block and a second lock block which are bonded and fixed on the drawer, the cabinet door, the refrigerator door and other articles; its lateral surface towards the outside is planar structure, can print various customization patterns on its surface, various different models such as product LOGO.

The connecting structure of the first lock tongue and the first locking block, the connecting structure of the second lock tongue and the second locking block are at least one end of which adopts a lock catch type structure, and the other end of which can adopt the same lock catch type structure, so that double-end free unlocking is realized; the single-end unlocking can be realized by adopting a locking structure at one end and adopting a locking structure at the other end, and the other end can only rotate the locking belt or even can not rotate the locking belt and can not be unlocked. The preferable scheme of the invention is a structure with double ends capable of being unlocked freely, so that the operation of a user is more convenient and faster.

In this embodiment, the structure of the first lock tongue and the first lock block is used for description, and the structure of the second lock tongue and the second lock block is completely the same as this, and the description is omitted here.

As shown in fig. 2-6, the first lock block 2 is a hollow cavity structure, a slot 23 is formed in a side wall of the first lock block, the first slider 22 is a rectangular block structure, the first slider is inserted into the hollow cavity of the first lock block 2 through the slot 23 and slides in the first lock block 2 in a limited manner through a limiting mechanism, the first slider 22 is provided with a bolt limiting hole 223, when the first slider 22 moves towards the outer side of the cavity of the first lock block 2, the lock hole 21 on the first lock block 2 is staggered with the bolt limiting hole 223, the first lock block 2 and the first slider 22 limit and lock the first bolt 11, and when the first slider 22 moves towards the inner side of the cavity of the first lock block 2, the first lock block 21 and the bolt limiting hole 223 are opposite to each other, and lock the first bolt 11.

When the first slider 22 is inserted into the cavity of the first lock block 2, the front end of the first slider is disposed in the cavity of the first lock block 2, the front end is provided with an elastic supporting member 222, and the rear end of the first slider protrudes out of the slot-shaped opening 23 of the first lock block to form a pressing portion 221 of the first slider 22.

The limiting mechanism is a limiting block 225 arranged on the first sliding block 22 and a limiting groove 24 correspondingly arranged on the first locking block 2, and the limiting block 225 is clamped in the limiting groove 24, so that the first sliding block 22 slides in the cavity of the first locking block 2 and cannot be separated from the first locking block 2.

The first slider 22 is provided with a spring 224, and the spring 224 extends from one side of the pressing portion 221 as a starting side toward the opposite side of the pressing portion 221 and forms an included angle with the body of the first slider 22. The included angle that shell fragment 224 and first slider 22 body formed should be controlled at certain within range, guarantees that first slider 22 can not be because of thickness too high and can't insert the cavity of first locking piece 2 internal, also needs to guarantee that first slider 22 can not slide wantonly in the cavity of first locking piece 2 internal because thickness is too thin, drops even. The best assembling and matching state is that the thickness of the first sliding block 22 is slightly larger than the height of the cavity of the first locking block 2, and the cavity of the first locking block 2 exerts a certain pressing effect towards the first sliding block 22 in the longitudinal direction on the elastic sheet 224, so that the first sliding block 22 is limited and fixed in the longitudinal direction.

Meanwhile, the limit block 225 is clamped in the limit groove 24, so that the first slide block 22 slides in the cavity of the first lock block 2 and cannot be separated from the first lock block 2, namely, the limit mechanism consisting of the limit block 225 and the limit groove 24 is used for limiting and fixing the first slide block 22 in the transverse direction.

During installation, firstly, pressure towards the direction of the body of the first slider 22 is applied to the elastic sheet 224, the first slider 22 is inserted into the cavity of the first lock block 2 after the thickness of the first slider 22 is reduced, the position of the limit block 225 positioned at the front end part of the elastic sheet 224 corresponds to the position of the limit groove 24, the elastic sheet 224 is loosened, the elastic sheet 224 rebounds to enable the limit block 225 to be clamped in the limit groove 24, and the first slider 22 is limited and fixed in the cavity of the first lock block 2. Pressing the pressing portion 221 of the first slider 22, the first slider 22 slides into the cavity of the first lock block 2, and compresses the elastic supporting member 222, and the stopper 225 slides in the stopper groove 24. After first slider 22 slided the certain distance, the spacing hole 223 of spring bolt that sets up on first slider 22 becomes the through-hole with the lockhole 21 relative position that first lock piece 2 set up, at this moment, can insert the spring bolt in this through-hole, perhaps extract the spring bolt from this through-hole, unblock promptly (need explain very much, when only doing the locking action, need not to press the splenium of first slider, can with the spring bolt disect insertion lockhole, the arc head of spring bolt front end portion can extrude first slider and make spacing hole of spring bolt and lockhole form the through-hole, thereby insert the spring bolt in this through-hole). After the pressure to pressing the portion is cancelled, first slider kick-backs under elastic support piece's effect, and first slider slides to the cavity outside one end of first locking piece, and the stopper slides to opposite direction at the spacing inslot simultaneously, and because the effect of spacing groove, first slider can not follow the cavity of first locking piece and roll off completely. When the first sliding block slides for a certain distance, the bolt limiting hole and the lock hole are changed from the through hole in the opposite position to be staggered, and the first locking block and the first sliding block limit and lock the bolt.

The elastic supporting member 222 is disposed at a front end of the first sliding block 22, and is configured to generate compression deformation when applying pressure to the pressing portion 221, so that the first sliding block 22 slides towards the inside of the cavity of the first locking block 2, and when the pressure of the pressing portion 221 is removed, the elastic supporting member rebounds to push out the first sliding block 22. Therefore, the elastic support 222 can be made of various elastic materials, such as a spring, a rubber band, or an elastic plastic material. The preferred embodiment of the present invention is to adopt a support rod structure integrally formed with the first slider, such as a circular arc protruding from the body of the first slider 22 and extending from one side of the body of the first slider 22 to the other side of the body, or two support rods protruding from the body of the first slider 22 and extending from two sides of the body of the first slider 22 to the middle part, wherein the two support rods and the front end of the body of the first slider 22 form a triangular shape.

First spring bolt 11 is the cylinder that outwards extends out by lock belt 1 body, cylinder middle part position department diameter is less than its root diameter and its tip diameter for form first breach 111 in first spring bolt middle part position department, as shown in fig. 2, when spacing hole 223 of spring bolt and lockhole 21 misplace, first slider 22 is under elastic support 222's bounce, the marginal part card of the spacing hole 223 of spring bolt is in this first breach 111, thereby lock first spring bolt 11, the simple operation, during the unblock, the single finger presses down the splenium on the slider and can realize, it is firm to work stability between the part, user's use has been made things convenient for greatly.

Claims

1. A convenient safety lock is characterized in that: comprises that

The lock belt (1), the two end parts of the lock belt (1) are respectively provided with a first bolt (11) and a second bolt (12) which are formed by protruding towards the same side surface of the lock belt (1);

the locking device comprises a first locking block (2), wherein the first locking block (2) is provided with a locking hole (21), a first bolt (11) is inserted into the first locking block (2) through the locking hole (21), and the first bolt (11) and the first locking block (2) are locked and unlocked through a first sliding block (22) arranged in the first locking block (2);

and the second locking block (3), the second locking block (3) is hinged with the second bolt (12).

2. A convenience safety lock according to claim 1, wherein: first locking piece (2) are cavity body structure, and its lateral wall is equipped with slot type mouth (23), first slider (22) are the rectangular block structure, and it passes through slot type mouth (23) insert the cavity of first locking piece (2) is internal to through stop gear spacing slip in first locking piece (2), spacing hole of spring bolt (223) has been seted up in first slider (22), when first slider (22) move towards first locking piece (2) cavity outside, lockhole (21) and the spacing hole of spring bolt (223) on first locking piece (2) misplace mutually, first locking piece (2) and first slider (22) are to first spring bolt (11) spacing locking, when first slider (22) move towards first locking piece (2) cavity inboard, lockhole (21) and the spacing hole of spring bolt (223) are counterpointed mutually, the locking of unblock to first spring bolt (11).

3. A convenience safety lock according to any of claims 1 or 2, wherein: when the first sliding block (22) is inserted into the cavity of the first locking block (2), the front end part of the first sliding block is arranged in the cavity of the first locking block (2), the front end part is provided with an elastic supporting piece (222), and the rear end part of the first sliding block protrudes out of the groove-shaped opening (23) of the first locking block to form a pressing part (221) of the first sliding block (22).

4. A convenience safety lock according to claim 2, wherein: the limiting mechanism is a limiting block (225) arranged on the first sliding block (22) and a limiting groove (24) correspondingly arranged on the first locking block (2), and the limiting block (225) is clamped in the limiting groove (24), so that the first sliding block (22) slides in the cavity of the first locking block (2) and cannot be separated from the first locking block (2).

5. A convenience safety lock according to claim 3, wherein: the first sliding block (22) is provided with an elastic sheet (224), the elastic sheet (224) takes one side of the pressing part (221) as a starting side, extends out towards the opposite side of the pressing part (221), and forms an included angle with the first sliding block (22) body.

6. A convenience safety lock according to claim 3, wherein: the elastic supporting piece (222) is a circular arc which protrudes out of the body of the first sliding block (22) and is formed by extending one side of the body of the first sliding block (22) to the other side of the body.

7. A convenience safety lock according to claim 3, wherein: the elastic supporting piece (222) is two supporting rods which protrude out of the body of the first sliding block (22) and extend from two sides of the body of the first sliding block (22) towards the middle, and the two supporting rods and the front end part of the body of the first sliding block (22) are encircled to form a triangular shape.

8. A convenience safety lock according to claim 1, wherein: the lock belt (1) is in a long strip shape, one side surface of the lock belt is provided with a first bolt (11) and a second bolt (12), and the other side surface of the lock belt is in a plane structure.

9. A convenience safety lock according to claim 8, wherein: the first bolt (11) is a cylindrical body extending outwards from the lock belt (1) body, and the diameter of the middle position of the cylindrical body is smaller than the diameter of the root of the cylindrical body and the diameter of the end of the cylindrical body, so that a first notch (111) is formed at the middle position of the first bolt.