CN217420851U

CN217420851U - Safety lock

Info

Publication number: CN217420851U
Application number: CN202220266798.4U
Authority: CN
Inventors: 曾军
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-14
Filing date: 2022-02-09
Publication date: 2022-09-13
Anticipated expiration: 2032-02-09

Abstract

The utility model discloses a safety lock, its characterized in that: comprises a locking body: the lock hole is provided with a lock hole, an elastic sheet is arranged in the lock hole and comprises a clamping part and an operating part for unlocking by hand, one end of the clamping part is connected with one inner wall of the lock hole, and the other end of the clamping part is connected with the operating part; a lock tongue: the lock body is arranged on the lock body and is connected with the lock body through a connecting part, a clamping groove is formed in one surface of the lock tongue, the lock tongue is inserted into the lock hole along the direction from the clamping part to the operating part, and the clamping part is clamped in the clamping groove to realize the locking of the lock body and the locking body; the operating part can be close to the inner wall of the lock hole under the action of external force to enable the clamping part to be separated from the clamping groove, so that the lock body and the locking body are unlocked. The safety lock is firm in locking, favorable for unlocking and high in practicability.

Description

Safety lock

Technical Field

The utility model relates to a 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 movement of the children, and unnecessary accidental injuries are caused; appliances such as refrigerators cannot mount a door lock by themselves; 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 problems that the insertion tongue is not firmly locked due to the slippage of the insertion tongue or the insertion groove and the insertion tongue can be firmly locked but are not easily unlocked in the matching process.

Therefore, further improvements are needed for existing security locks.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a locking is firm and do benefit to the safety lock of unblock is provided.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a security lock, comprising:

locking body: the lock hole is provided with a lock hole, an elastic sheet is arranged in the lock hole and comprises a clamping part and an operating part for unlocking by hand, one end of the clamping part is connected with one inner wall of the lock hole, and the other end of the clamping part is connected with the operating part;

a lock tongue: the lock body is arranged on the lock body and is connected with the lock body through a connecting part, a clamping groove is formed in one surface of the lock tongue, the lock tongue is inserted into the lock hole along the direction from the clamping part to the operating part, and the clamping part is clamped in the clamping groove to realize the locking of the lock body and the locking body; the operating part can be close to the inner wall of the lock hole under the action of external force to enable the clamping part to be separated from the clamping groove, so that the lock body and the locking body are unlocked.

In order to be beneficial to locking and unlocking the elastic sheet and the clamping groove, the elastic sheet inclines towards the center of the locking hole from the clamping portion to the operating portion as an optimal selection, the bottom surface of the clamping groove is an inclined surface, the bottom surface inclines towards the inside of the spring bolt from the clamping portion to the operating portion, a first notch is formed in the surface of the spring bolt and communicated with the clamping groove, when the spring bolt is inserted into the locking hole, the clamping portion is clamped in the clamping groove, and the operating portion is exposed through the first notch to be used for unlocking the hand.

Further, preferably, the lock hole is formed along the length direction of the lock belt; the spring plate is arranged on the top wall of the lock hole and faces downwards in an inclined mode, and the clamping groove is formed in the top face of the lock tongue and faces downwards in an inclined mode. The design realizes the locking and unlocking of the lock body and the locking body by pushing the lock tongue leftwards or rightwards.

In order to be beneficial to locking and unlocking the elastic sheet and the clamping groove, the lock tongue is preferably in a block shape, the lock hole is square, the lock hole is a stepped hole and comprises a lower hole and an upper hole, the lower hole is communicated with the upper hole, the lock tongue is inserted into the lower hole, and when the lock tongue is inserted into the lower hole, the operating part is upwards shifted into the upper hole from the first notch to enable the clamping part to be separated from the clamping groove. The lower hole can be spacing around, from top to bottom the spring bolt, and it is firm to realize locking, and the setting in upper hole provides the bigger aversion space of operating portion, more is favorable to the card to establish the portion and deviates from the draw-in groove.

In order to facilitate unlocking of the elastic sheet and the clamping groove, preferably, a second notch is formed in the top wall of the upper hole, and when the lock tongue is inserted into the lower hole, the operating portion can be upwards shifted into the second notch from the first notch.

For the locking that is applicable to various doors, cabinet, as preferred, the lock body is the lock area, and this lock body has locking end and link, connecting portion are the spliced pole, and this connecting portion set up the bottom at the locking end, the spring bolt sets up the bottom at connecting portion. The bottom of the connecting end is fixed on one door body, the locking body is fixed on the other door body, and the locking of the door is realized through the matching of the lock tongue and the locking body.

In order to facilitate the adjustment of the direction of the lock belt, the bottom of the connecting end is rotatably connected with a connecting block as the optimization.

Compared with the prior art, the utility model has the advantages of: the utility model discloses a safety lock includes locking body and spring bolt, has seted up the lockhole on the locking body, is equipped with the shell fragment in this lockhole, and this shell fragment includes card establishment portion and the operation portion that supplies the hand unblock, and the spring bolt sets up on the lock body, has seted up the draw-in groove on a surface of this spring bolt, inserts the spring bolt in the lockhole along card establishment portion to operation portion direction, and the card establishment portion card realizes the locking of lock body and locking body in the draw-in groove; the operation portion can be close to the inner wall of lockhole and make card portion deviate from the draw-in groove under the exogenic action to realize the unblock of lock body and locking body, this safety lock locking is firm and do benefit to the unblock, and the practicality is strong.

Drawings

Fig. 1 is a schematic structural diagram (a locking state of a lock body and a locking body) of an embodiment of the present invention;

fig. 2 is a schematic structural diagram (an unlocked state of the lock body and the locking body) of the embodiment of the present invention;

fig. 3 is a schematic structural diagram of the lock body in the embodiment of the present invention;

fig. 4 is a schematic structural diagram of a connecting block in an embodiment of the present invention;

fig. 5 is a cross-sectional view of an embodiment of the present invention;

fig. 6 is a partially enlarged view of fig. 5.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

Directional terms such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the present invention, but these terms are used herein for convenience of description only and are determined based on example orientations shown in the drawings. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity.

Referring to fig. 1 to 6, a preferred embodiment of the security lock is shown, which comprises a lock body 1, a locking bolt 2 and a lock body 3.

Referring to fig. 1, the lock body 1 is an elongated lock band, the lock body 1 has a locking end 11 and a connecting end 12, the locking end 11 is a right end, and the connecting end 12 is a left end. In this embodiment, the lock body 1 is a strip made of a softer material, and can be bent, and is suitable for a refrigerator door. The bottom of the connecting end 12 is connected with a connecting block 4 in a rotating mode, and the lock body 1 can rotate relative to the connecting block 4.

Referring to fig. 2, the latch 2 is block-shaped, the latch 2 is disposed at the bottom of the locking end 11, and the latch 2 and the locking end are connected by a connecting portion 5, and the connecting portion 5 is columnar. The top surface of the bolt 2 is a surface 2a, the top surface is provided with a slot 21, and the bottom surface of the slot 21 is an inclined surface and is inclined downwards from left to right. A first gap 22 is formed in the top surface of the bolt 2, the first gap 22 is communicated with the clamping groove 21, the clamping groove 21 and the first gap 22 are sequentially arranged from left to right (along the length direction of the lock belt 1), and the bolt 2 is pushed into the lock hole 31 of the locking body 3 from left to right. In other embodiments, the first notch 22 may be opened on the left side of the card slot 21 and pushed in from right to left; the bolt 2 can be round; the clamping groove 21 and the first notch 22 can also be sequentially arranged from front to back or from back to front along the width direction of the locking strip 1, at this time, the bolt 2 can be pushed into the locking hole 31 of the locking body 3 from top to bottom or from bottom to top by rotating the locking strip 1, at this time, the locking strip 1 can be a strip body made of a hard material and cannot be bent, or a strip body made of a soft material can be adopted, so that the locking strip is suitable for a split door; the slot 21 and the first notch 22 may be located on the other side of the locking bolt 2 than the top surface.

Referring to fig. 2, the locking body 3 is provided with a locking hole 31, the locking hole 31 is provided along the length direction of the lock strap 1 and is square, the locking hole 31 is a stepped hole and comprises a lower hole 31a and an upper hole 31b, the lower hole 31a is communicated with the upper hole 31b, and the lower hole 31a is used for inserting the lock tongue 2 to limit the lock tongue 2 in the front-back direction and the up-down direction. The top wall of the upper hole 31b is opened with a second notch 23, and when the bolt 2 is inserted into the lower hole 31a, the operating part 32b can be displaced upward from the first notch 22 into the second notch 23. The elastic sheet 32 is formed by extending the top wall of the lock hole 31 downward from left to right, the elastic sheet 32 is a hard plastic sheet, and when an external force is applied upwards, the elastic sheet 32 can be close to the top wall of the lock hole 31, the external force disappears, and the elastic sheet 32 rebounds to restore the original shape. The spring plate 32 comprises a clamping part 32a and an operating part 32b for unlocking the hand, one end of the clamping part 321 is connected with the top wall (namely an inner wall 311) of the lock hole 31, the other end of the clamping part 32a is connected with the operating part 32b, the bolt 2 is inserted into the lower hole 31a along the direction from the clamping part 32a to the operating part 32b (from left to right), the clamping part 32a is clamped in the clamping groove 21 to realize the locking of the lock body 1 and the locking body 3, and the operating part 32b is exposed through the first notch 22 to unlock the hand; the operating part 32b is lifted upwards, and the operating part 32b is displaced from the first notch 22 into the second notch 23 through the upper hole 31b, so that the clamping part 32a is separated from the clamping groove 21, and the lock body 1 and the locking body 3 are unlocked.

During the use, the bottom of the locking body 3 is fixed on the cabinet door through the colloid, the bottom of the connecting block 4 is fixed with the cabinet wall of the cabinet body through the colloid, the lock tongue 2 is pushed into the lower hole 31a from the left to the right, the clamping portion 32a is clamped in the clamping groove 21 to lock the lock body 1 and the locking body 3, the operating portion 32b can be close to the top wall of the lock hole 31 under the upward acting force to enable the clamping portion 32a to be separated from the clamping groove 21, and therefore the unlocking of the lock body 1 and the locking body 3 is achieved. The operating portion 32b gives more operating space to the hand toward the outside (toward the right) of the lock band 1, facilitating hand unlocking.

Claims

1. A security lock, characterized by: comprises that

Locking body (3): the lock hole is provided with a lock hole (31), an elastic sheet (32) is arranged in the lock hole (31), the elastic sheet (32) comprises a clamping part (32a) and an operation part (32b) for unlocking by hand, one end of the clamping part (32a) is connected with one inner wall (311) of the lock hole (31), and the other end of the clamping part (32a) is connected with the operation part (32 b);

a bolt (2): the lock body is arranged on the lock body (1) and is connected with the lock body (1) through a connecting part (5), a clamping groove (21) is formed in one surface (2a) of the lock bolt (2), the lock bolt (2) is inserted into the lock hole (31) along the direction from the clamping part (32a) to the operating part (32b), and the clamping part (32a) is clamped in the clamping groove (21) to realize the locking of the lock body (1) and the locking body (3); the operating part (32b) can be close to the inner wall (311) of the lock hole (31) under the action of external force to enable the clamping part (32a) to be separated from the clamping groove (21), so that the lock body (1) and the locking body (3) are unlocked.

2. A safety lock according to claim 1, wherein: the spring plate (32) inclines towards the center of the lock hole (31) from the clamping part (32a) to the operating part (32b), the bottom surface of the lock groove (21) is an inclined surface, the bottom surface inclines into the lock tongue (2) from the clamping part (32a) to the operating part (32b), a first notch (22) is formed in the surface (2a) of the lock tongue (2), the first notch (22) is communicated with the lock groove (21), when the lock tongue (2) is inserted into the lock hole (31), the clamping part (32a) is clamped in the lock groove (21), and the operating part (32b) is exposed through the first notch (22) to unlock the hand.

3. A safety lock according to claim 2, wherein: the lock hole (31) is formed along the length direction of the lock belt; the spring plate (32) is arranged on the top wall of the lock hole (31) and is inclined downwards, and the clamping groove (21) is formed in the top surface of the lock bolt (2) and is inclined downwards.

4. A safety lock according to claim 3, wherein: the lock tongue (2) is blocky, lockhole (31) are square, lockhole (31) are the step hole, including lower hole (31a) and last hole (31b), lower hole (31a) are linked together with last hole (31b), lower hole (31a) supply lock tongue (2) to insert, and when lock tongue (2) inserted down hole (31a), operation portion (32b) realized blocking from establishing portion (32a) and deviate from draw-in groove (21) in upwards shifting to last hole (31b) from first breach (22).

5. A safety lock according to claim 4, wherein: the top wall of the upper hole (31b) is provided with a second notch (23), and when the bolt (2) is inserted into the lower hole (31a), the operating part (32b) can be upwards displaced into the second notch (23) from the first notch (22).

6. A safety lock according to any one of claims 1 to 5, wherein: the lock body (1) is a lock belt, the lock body (1) is provided with a locking end (11) and a connecting end (12), the connecting part (5) is a connecting column, the connecting part (5) is arranged at the bottom of the locking end (11), and the lock tongue (2) is arranged at the bottom of the connecting part (5).

7. A safety lock according to claim 6, wherein: the bottom of the connecting end (12) is rotatably connected with a connecting block (4).