CN213540019U

CN213540019U - L-shaped protective lock

Info

Publication number: CN213540019U
Application number: CN202022196519.5U
Authority: CN
Inventors: 张珍; 陈映峰
Original assignee: Ningbo Eudemon Child Protective Equipment Co Ltd
Current assignee: Ningbo Eudemon Child Protective Equipment Co Ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-06-25
Anticipated expiration: 2030-09-29

Abstract

The utility model belongs to the technical field of the daily necessities, concretely relates to L shape protection lock. The L-shaped protective lock comprises a lock body and a lock seat, wherein the lock body comprises an unlocking key and a pre-unlocking key, and the unlocking key is movably arranged on the lock body in a displacement manner so as to drive the lock tongue to be matched with or separated from the lock hole; the movable displacement of the unlocking key is controlled by the pre-unlocking key, and the unlocking key is locked and cannot move in a locking state; when the lock is unlocked, the unlocking key can be freely and movably arranged to unlock the lock body and the lock seat. The protective lock has the advantages of compact and attractive structure, easiness in manufacturing, assembling and mounting, convenience in use, good safety and the like; moreover, the visual window part is matched to attract the sight of an observer, so that the unlocking caused by the misoperation of children or the operation of imitating a learning adult can be avoided, and the safety of the electronic lock is further improved.

Description

L-shaped protective lock

Technical Field

The utility model belongs to the technical field of daily necessities, concretely relates to L shape protection lock that can carry out the locking protection to the drawer.

Background

Drawers are common components of furniture, and few drawers currently have independent drawer locks, so that children (including younger infants and older children) often do not easily open the drawers. When the drawer is opened by a child, articles such as clothes stored in the drawer due to the reasons can be taken out or turned around, fingers of the child can be injured by clamping when the drawer is closed, and the drawer rail made of metal also has certain potential safety hazards. In addition, for some independent and higher drawer cabinets, the gravity center of the drawer at the high position can be obviously changed by opening the drawer, so that the stability of the drawer is damaged, and the drawer is easy to collapse, which has many cases at home and abroad.

Therefore, it is necessary to develop a special drawer protection lock to lock the drawer, thereby preventing various safety problems caused by children opening the drawer without permission.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compact structure is pleasing to the eye, easily makes, assembles and installs, convenient to use to L shape protection lock that the security is good.

In order to achieve the above purpose, the utility model adopts the following scheme:

an L-shaped protective lock comprises a lock body and a lock seat, wherein a lock cavity is arranged in the lock seat, and a lock hole is formed in the lock cavity; the lock body is provided with a lock head, a lock tongue is formed on the lock head, the lock head is matched with the lock cavity and is arranged, and the lock tongue is clamped into the lock hole after the lock head and the lock cavity are matched, so that the lock body and the lock seat are locked; it is characterized in that the preparation method is characterized in that,

the lock body comprises an unlocking key and a pre-unlocking key, the unlocking key is movably arranged on the lock body in a displacement mode, and the unlocking key is operated to drive the lock tongue to correspondingly move in a displacement mode so as to be matched with or separated from the lock hole; the movable displacement of the unlocking key is controlled by the pre-unlocking key, and when the pre-unlocking key is in a locking state, the unlocking key is locked by the pre-unlocking key and cannot perform movable displacement; when the pre-unlocking key is in an unlocking state, the unlocking key is freely and movably arranged to unlock the lock body and the lock seat.

Preferably, the unlocking key is movably arranged in a translation mode, and the unlocking key translates left and right to drive the lock tongue to correspondingly stretch and retract through the first end.

Preferably, the second end of the unlocking key is matched with the pre-unlocking key; in the locked state, the pre-unlocking key is positioned on the displacement path of the second end of the unlocking key so as to prevent the pre-unlocking key from performing the left-right translational motion; in the unlocked state, the pre-unlock key is offset from the position to allow the unlock key to perform the above-mentioned left-right translational movement to unlock.

Preferably, the pre-unlocking key is telescopically arranged in the lock body or rotatably arranged in the lock body; in the locking state, the pre-unlocking key blocks the displacement motion of the unlocking key, the locking is released after the pre-unlocking key is operated to stretch or rotate, and the unlocking key moves to unlock.

Preferably, the protective lock further comprises a coating layer made of soft rubber materials, and the coating layer comprises a first coating layer matched on the lock body or a second coating layer matched on the lock seat.

Preferably, the first coating layer coats the unlocking key so as to make it invisible.

Preferably, the pre-unlocking key is provided with a blocking part and an accommodating cavity, the unlocking key cannot move when the blocking part is matched with the second end of the unlocking key, and the pre-unlocking key is pressed to be contracted so that the accommodating cavity can move to unlock when the accommodating cavity is matched with the second end of the unlocking key.

Preferably, the lock tongue is movably arranged in the lock head, protrudes out of the lock head and is matched with a lock hole arranged on the lock cavity to lock the lock body and the lock seat; the front end of the lock tongue is also provided with an inclined plane or a curved surface which plays a role in guiding.

Preferably, the lock body comprises a main body and a cover piece, the main body and the cover piece are clamped to form the lock body, and a cavity is formed in the main body for the arrangement of the unlocking key and the pre-unlocking key; and, still be equipped with the guide post on the main part to make the unblock key set up on it with removing left and right sides displacement.

Preferably, the unlocking key comprises a first unlocking key and a second unlocking key, the first unlocking key is L-shaped, and the lock head is arranged on the second unlocking key; the first unlocking key is arranged along the lock body in a left-right translation mode; the second unlocking key is provided with a guide structure so as to be matched in the main body in a left-right translation manner; the first end of the second unlocking key is formed into a lock tongue, the second end of the second unlocking key is matched with the first end of the first unlocking key, and the second end of the first unlocking key is matched with the pre-unlocking key; the front of the lock body is also provided with a window part.

The utility model discloses a L shape protection lock mainly is applied to the locking protection of drawer, can also be applied to the protection and the locking of furniture or household electrical appliances that have similar switch attribute. The drawer cabinet is very convenient to mount, and preferably is fixedly adhered to be matched with the front face of the drawer and the side face of the drawer cabinet body. When the drawer unlocking device is used, the pre-unlocking key is operated firstly, and then the unlocking key is operated to unlock the lock body and the lock seat, so that the drawer is allowed to be opened, and the drawer unlocking device is very convenient to use. And, under the preferred circumstances, still carry out the cladding to lock body and/or lock seat through the coating to hide the unlocking key, the coating of flexible glue material can promote touching feel, promotes whole security.

The protective lock has the advantages of compact and attractive structure, easiness in manufacturing, assembling and mounting, convenience in use, good safety and the like; and cooperate the window portion to attract the observer's sight, also can avoid children's maloperation or imitate the study adult operation and unblock, further promote its security.

Drawings

Fig. 1 is a schematic perspective view of an L-shaped protection lock according to an embodiment of the present invention, wherein the front side of the L-shaped protection lock is adapted to fit the front side of a component to be protected (e.g. a drawer), and the L-shaped protection lock can be fixed by gluing, and the side of the L-shaped protection lock is adapted to fit the side of a drawer;

FIG. 2 is an open schematic view of the L-shaped protective lock of the embodiment of FIG. 1 with the lock body separated from the lock receptacle to allow the drawer to be opened;

FIG. 3 is an exploded view of the L-shaped protective lock component of the embodiment of FIG. 1;

fig. 4 is a structural matching schematic diagram of main functional components of a lock body of the L-shaped protective lock in the embodiment of fig. 1, wherein after the unlocking key 120 is pressed, the locking tongue 102 is movably displaced in a direction indicated by an arrow in the figure, so as to realize separation or locking of the lock body and the lock base;

FIG. 5 is a schematic view of the unlocking key of the preferred L-shaped protective lock;

fig. 6 is a schematic structural view of the pre-unlock key of the embodiment of fig. 1.

Detailed Description

In order to better understand the invention for those skilled in the art and to define the claimed scope more clearly, the invention will be described in detail below with respect to certain specific embodiments of the invention. It should be noted that the following description is only a few examples of the present invention, and the specific and direct descriptions of the related structures are only for the convenience of understanding the present invention, and the specific features do not naturally and directly limit the scope of the present invention. Conventional alternatives and substitutions made by those skilled in the art in light of the teachings of the present disclosure should be considered as within the scope of the present disclosure.

An L-shaped protective lock mainly comprises a lock body 100 and a lock seat 200, wherein the lock body 100 is used for being matched with the front surface of an object to be protected, and the lock seat 200 is matched with the side surface of the object to be protected; the lock body 100 and the lock base 200 may be fixed by screws, glue, or the like, preferably by 3M glue; preferably, 3M glue with lining paper is pre-arranged on the lock body 100 and the lock holder 200, and the lining paper can be torn off to fix the lock body and the lock holder during use.

The above-mentioned article to be protected can be a piece of furniture or a household appliance, such as a drawer, a refrigerator door, etc., which is integrally formed with two adjacent surfaces. When the lock body 100 is locked with the lock holder 200, the protected drawer, refrigerator door, etc. are locked from being opened, so as to prevent unauthorized manipulation by children.

A lock cavity 201 is arranged in the lock seat 200, and a lock hole 202 is formed in the lock cavity 201; the lock body 100 is provided with a lock head 101 at the mating end thereof, the lock head 101 is formed with a lock tongue 102, the lock head 101 can be arranged in a way of being matched with the lock cavity 201, and after the lock head 101 and the lock cavity are matched, the lock tongue 102 is clamped into the lock hole 202, so that the lock body 100 and the lock base 200 are locked, and the purpose of locking is realized.

The lock body 100 is provided with an unlocking key 120 and a pre-unlocking key 113, the unlocking key 120 is movably disposed in the lock body 100, and the operation of the unlocking key 120 can drive the locking tongue 102 to correspondingly move to fit into or separate from the locking hole 202. The above-mentioned movable displacement of the unlocking key 120 is controlled by the pre-unlocking key 113, and when the pre-unlocking key 113 is in the locked state, the unlocking key 120 is locked by it and cannot perform the above-mentioned movable displacement; when the pre-unlock key 113 is in the unlock state, the unlock key 120 is freely movably disposed, that is, it is movably displaced by an external force.

In some embodiments, the unlocking key 120 is translatably disposed, and translates left and right to actuate the locking bolt 102 via the first end for corresponding telescopic movement. Both may be directly coupled (mated) or integrally formed to simultaneously displace, or may be actuated via a ramp or curved surface, or may be hingedly attached to the latch 102 and actuated via the release key 120, without limitation.

In other embodiments, the second end of the unlocking key 120 is coupled to the pre-unlocking key 113. In the locked state, the pre-lock key 113 is located on the displacement path of the second end of the lock key 120 to prevent the left and right translational movement; in the unlocked state, the pre-unlock key 113 is offset from this position to allow the unlock key 120 to perform the above-described left-right translational movement to unlock.

The pre-unlock key 113 may be telescopically disposed within the lock body 100 or rotatably disposed within the lock body 100. When the pre-unlocking key 113 is telescopically arranged, the pre-unlocking key 120 is positioned on a displacement path of the second end of the pre-unlocking key 120 in an extending state to prevent the pre-unlocking key from displacing, and after the pre-unlocking key is pressed by applying force, the pre-unlocking key 113 contracts to enable the pre-unlocking key 120 to displace. At this time, the pre-release key 113 may have a corresponding protrusion structure to allow it to function differently in the contracted or extended state.

For example, preferably, the pre-unlock key 113 is provided with a blocking portion 1131 and a receiving cavity 1132, the blocking portion 1131 is engaged with the second end of the unlock key 120, the unlock key 120 cannot move, and the pre-unlock key 113 is pressed to contract so that the receiving cavity 1132 is engaged with the second end of the unlock key 120, and the unlock key 120 moves to unlock.

It is also possible to arrange the pre-release key 113 in a rotatable manner, and a groove or the like may be arranged on the pre-release key 113, and the release key 120 may be movable when the groove is engaged with the second end of the release key 120 (i.e. the groove is located on the displacement path of the second end of the release key 120). And when it is rotated to have no groove structure, the unlock key 120 is apparently not displaced. This may be accomplished by disposing the blocking portion 1131 and the receiving cavity 1132 in a circumferential direction of the pre-release key 113.

In other embodiments, the lock cylinder 101 is disposed corresponding to the lock cavity 201, and the latch 102 is movably disposed in the lock cylinder 101, and protrudes from the lock cylinder 101 to cooperate with the lock hole 202 disposed in the lock cavity 201 to lock the lock body 100 and the lock base 200.

In other embodiments, the latch tongue 102 is fixed to or integrally formed with the lock cylinder 101, and both are movably and displaceably disposed relative to the lock hole 202.

In other embodiments, the lock body 100 includes a body 111 and a cover 112, and the body 111 and the cover 112 cooperate to form the lock body 100, preferably a snap-fit connection. A cavity is arranged on the main body 111 for arranging the unlocking key 120 and the pre-unlocking key 113; the main body 111 is provided with a guide structure, such as a guide post, on which the unlock key 120 is disposed so as to be laterally displaceable.

In other embodiments, the unlocking key 120 includes a first unlocking key 121 and a second unlocking key 122, the first unlocking key is L-shaped, and the locking head 101 is disposed on the second unlocking key 122; the first unlocking key 121 is disposed along the main body 111 in a manner of being capable of moving left and right in a translational manner, and a guide hole is further formed in the first unlocking key 121. Meanwhile, the second unlocking key 122 is also provided with a guiding structure so as to be fitted in the main body 111 in a left-right translation manner. The first end of the second unlocking key 122 is formed as the locking tongue 102, the second end is engaged with the first end of the first unlocking key 121, and the second end of the first unlocking key 121 is engaged with the pre-unlocking key 113.

In other embodiments, the lock base 200 is integrally formed, and has a D-shaped cross-section, and a flat portion for attaching to a drawer or the like.

In other embodiments, the protective lock further comprises a coating made of soft material such as soft glue, and the coating comprises a first coating 114 fitted on the lock body 100 and a second coating 211 fitted on the lock base 200, preferably fitted on the surfaces of the two.

In other embodiments, the first coating 114 coats the unlocking key 120 so that it is not visible, thereby improving safety. For example, a notch is provided at a corner of the cover 112, and the L-shaped first unlocking key 121 can be pressed, and the first coating layer 114 coats a pressing operation region of the first unlocking key 121.

In other embodiments, the lock body 100 has an uncovered window 103 on the front surface, and the window 103 may be a solid structure that cannot be operated, may be a non-functional idle button, or may be a cartoon shape or pattern. The pre-release key 113 may be covered or uncovered, and may be provided in the window unit 103 as shown in the figure.

In other embodiments, the front end of the latch 102 is provided with a guiding bevel or curve to automatically lock when the drawer is closed.

During unlocking, the pre-unlocking key 113 is operated to unlock the displacement path of the second end of the unlocking key 120, and then the unlocking key 120 is operated to translate rightward to drive the lock tongue 102 to translate rightward to unlock the lock hole 202, so that the lock body 100 and the lock seat 200 are in an unlocking state, and the drawer can be pulled to open.

When the lock is closed, the lock tongue 102 can automatically complete the locking with the lock hole 202 under the action of the guiding inclined plane, without operating the unlock key 120 or the pre-unlock key 113, which is not described herein again.

Claims

1. An L-shaped protective lock comprises a lock body (100) and a lock seat (200), wherein a lock cavity (201) is arranged in the lock seat (200), and a lock hole (202) is formed in the lock cavity (201); a lock head (101) is arranged on the lock body (100), a bolt (102) is formed on the lock head (101), the lock head (101) is arranged in a way of being matched with the lock cavity (201), and the bolt (102) is clamped into the lock hole (202) after the lock head (101) and the lock cavity are matched with each other so as to lock the lock body (100) and the lock seat (200); it is characterized in that the preparation method is characterized in that,

the lock body (100) comprises an unlocking key (120) and a pre-unlocking key (113), the unlocking key (120) is movably arranged on the lock body (100) in a displacement manner, and the unlocking key (120) is operated to drive the bolt (102) to correspondingly move in a displacement manner so as to be matched with or separated from the lock hole (202); the movable displacement of the unlocking key (120) is controlled by the pre-unlocking key (113), and when the pre-unlocking key (113) is in a locking state, the unlocking key (120) is locked by the pre-unlocking key and cannot perform movable displacement; when the pre-unlocking key (113) is in the unlocking state, the unlocking key (120) is freely and movably arranged to unlock the lock body (100) and the lock seat (200).

2. The L-shaped protective lock according to claim 1, characterized in that the unlocking key (120) is movably arranged in translation, which is translated to the left and right to actuate the bolt (102) by the first end in corresponding telescopic movement.

3. The L-shaped protective lock according to claim 2, characterized in that the second end of the unlocking key (120) cooperates with a pre-unlocking key (113); in the locked state, the pre-unlocking key (113) is positioned on the displacement path of the second end of the unlocking key (120) to prevent the pre-unlocking key from performing the left-right translational motion; in the unlocked state, the pre-unlock key (113) is offset from the position to allow the unlock key (120) to perform the left-right translational movement to unlock.

4. The L-shaped protective lock according to claim 3, characterized in that the pre-unlocking key (113) is telescopically arranged in the lock body (100) or rotatably arranged in the lock body (100); in the locked state, the pre-unlocking key (113) blocks the displacement movement of the unlocking key (120), the locking is released after the pre-unlocking key (113) is operated to stretch or rotate, and the unlocking key (120) displaces to unlock.

5. The L-shaped protective lock according to any one of claims 1-4, wherein the protective lock further comprises a coating made of soft plastic material, the coating comprising a first coating (114) fitted to the lock body (100) or a second coating (211) fitted to the lock housing (200).

6. The L-shaped protective lock according to claim 5, characterized in that the first coating (114) coats the unlocking key (120).

7. The L-shaped protection lock according to claim 4, wherein the pre-unlocking key (113) is provided with a blocking portion (1131) and a receiving cavity (1132), the blocking portion (1131) is fitted to the second end of the unlocking key (120) and the unlocking key (120) cannot move, and the pre-unlocking key (113) is pressed to contract so that the receiving cavity (1132) is fitted to the second end of the unlocking key (120) and the unlocking key (120) moves to unlock.

8. The L-shaped protection lock according to claim 1, wherein the locking bolt (102) is movably disposed in the lock head (101), and protrudes from the lock head (101) to cooperate with a lock hole (202) disposed in the lock cavity (201) to lock the lock body (100) and the lock base (200); the front end of the lock tongue (102) is also provided with an inclined plane or a curved surface for guiding.

9. The L-shaped protective lock according to claim 1, wherein the lock body (100) comprises a main body (111) and a cover member (112), the main body (111) and the cover member (112) are engaged to form the lock body (100), a cavity is provided on the main body (111) for the arrangement of the unlocking key (120) and the pre-unlocking key (113); the main body (111) is also provided with a guide post on which the unlocking key (120) is disposed so as to be displaced in the left-right direction.

10. The L-shaped protective lock according to claim 1, 6 or 9, wherein the unlocking key (120) comprises a first unlocking key (121) and a second unlocking key (122), the first unlocking key being L-shaped, the locking head (101) being arranged on the second unlocking key (122); the first unlocking key (121) is arranged along the lock body (100) in a left-right translation mode; the second unlocking key (122) is provided with a guide structure so as to be matched in the main body (111) in a left-right translation manner; the first end of the second unlocking key (122) is formed into a lock tongue (102), the second end is matched with the first end of the first unlocking key (121), and the second end of the first unlocking key (121) is matched with the pre-unlocking key (113); the front surface of the lock body (100) is also provided with a window part (103).