CN221031958U - Reinforced lock catch of safe - Google Patents

Abstract

The utility model discloses a reinforced lock catch of a safe, which comprises a lock shell, a T-shaped bracket, a lock tongue, a rack and a gear, wherein the T-shaped bracket is provided with long limbs and short limbs vertically distributed on two sides of the long limbs, the short limbs on two sides of the T-shaped bracket are in sliding connection with two ends of the lock shell, the lock tongue is rotationally connected on one side of the lock shell, the rack is fixedly connected on one side of the short limbs of the T-shaped bracket, the gear is fixedly connected with the rotational connection position of the lock tongue, and the gear is meshed with the rack; the semicircular locking block of the lock tongue is used as a lock catch, so that the lock tongue is locked at 180 degrees when the safe is in a locking state, and compared with the traditional 90-degree locking mode, the lock dead point is higher in strength; the lock cylinder moving end enters the locking groove and the stopping groove to be locked, so that the T-shaped support cannot move due to the limitation of the lock cylinder moving end, and only the lock cylinder moving end is subjected to shearing force when the lock tongue is impacted, and the reaction force of the lock tongue is prevented from being directly transmitted to the transmission structure and the lock cylinder.

Description

Reinforced lock catch of safe

Technical Field

The utility model relates to the technical field of locks of lock safes, in particular to a reinforced lock catch of a safe.

Background

The safe is a kind of storage valuables, it is widely used in offices, ordinary families, etc., one of the most major theft-proof parts of the safe is the safe lock, the existing safe lock includes lock shell, lock core and lock tongue, the general lock core is connected with lock tongue through the connecting rod or gear realization transmission, the key inserts the lock core and rotates, drive the lock tongue to move through the connecting rod or gear, thus realize unlocking or locking; however, when the lock tongue with the structure receives strong external positive acting force, the reaction force of the lock tongue is directly transmitted to the transmission structure and the lock core, so that the transmission structure and the lock core are inevitably damaged, the safety of the safe is not high, and therefore, the reinforced lock catch of the safe is designed for solving the problems.

Disclosure of utility model

Aiming at the defects of the existing safe lockset, the utility model aims to provide a reinforced lock catch of a safe, which has the advantages that a lock core and a T-shaped bracket are not directly damaged under the condition that a lock tongue is impacted.

In order to achieve the above purpose, the utility model adopts a technical scheme that: the utility model provides a safe reinforcing lock catch, includes lock shell, T shape support, spring bolt, rack and gear, T shape support has long limb and the short limb of perpendicular distribution in long limb both sides, the short limb in T shape support both sides and lock shell both ends sliding connection, the spring bolt rotates to be connected in lock shell one side, the short limb one side fixedly connected with rack of T shape support, gear and spring bolt rotate connected position fixed connection, gear and rack meshing;

Preferably, the lock shell is a box body with two open sides, the middle part of the opening at one side of the lock shell is rotationally connected with a lock tongue, the middle part of the opening at the other side of the lock shell is provided with a locking groove, and the two closed sides of the lock shell are also provided with fixing parts extending out of the shell;

Preferably, the long limb of the T-shaped bracket is also provided with an inclined plane chute and a stopping groove, the inclined plane chute is obliquely arranged on the end face of the long limb of the T-shaped bracket, the two ends of the inclined plane chute are provided with the stopping grooves, and the stopping grooves at the two ends of the inclined plane chute are parallel to the locking grooves;

Preferably, the lock tongue is provided with a semicircular locking block and a connecting block, one end of the connecting block is rotationally connected with the lock shell, a gear is fixedly connected at the rotational connection position of the connecting block and the lock shell, and the other end of the connecting block is fixedly connected with one end of the semicircular locking block;

The beneficial effects of the utility model are as follows: 1. the semicircular locking block of the lock tongue is used as a lock catch, so that the lock tongue is locked at 180 degrees when the safe is in a locking state, and compared with the traditional 90-degree locking mode, the lock dead point is higher in strength; 2. the lock cylinder moving end enters the locking groove and the stopping groove to be locked, so that the T-shaped support cannot move due to the limitation of the lock cylinder moving end, and only the lock cylinder moving end is subjected to shearing force when the lock tongue is impacted, and the reaction force of the lock tongue is prevented from being directly transmitted to the transmission structure and the lock cylinder.

Drawings

FIG. 1 is a side cross-sectional view of the utility model in a tongue extended position;

FIG. 2 is a side cross-sectional view of the utility model in a retracted state of the locking bolt;

FIG. 3 is a cross-sectional view taken along the direction A-A in FIG. 2 in accordance with the present utility model.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.

It should be noted that, in the description of the present utility model, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "provided," and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

Referring to fig. 1 to 3, an embodiment of the present utility model includes:

The reinforced lock catch of the safe comprises a lock shell 1, a T-shaped support 2, a lock tongue 3, a rack 4 and a gear 5, wherein the T-shaped support 2 is provided with long limbs 21 and short limbs 22 vertically distributed on two sides of the long limbs 21, the short limbs 22 on two sides of the T-shaped support 2 are in sliding connection with two ends of the lock shell 1, the lock tongue 3 is rotationally connected on one side of the lock shell 1, the rack 4 is fixedly connected on one side of the short limbs 22 of the T-shaped support 2, the gear 5 is fixedly connected with the rotational connection position of the lock tongue 3, and the gear 5 is meshed with the rack 4;

The lock shell 1 is a box body with two open sides, the middle part of the opening at one side of the lock shell 1 is rotationally connected with a lock tongue 3, the middle part of the opening at the other side of the lock shell 1 is provided with a locking groove 11, and the two closed sides of the lock shell 1 are also provided with fixing parts 12 extending out of the shell;

The long limb 21 of the T-shaped bracket 2 is also provided with an inclined plane chute 23 and a stopping groove 24, the inclined plane chute 23 is obliquely arranged on the end face of the long limb 21 of the T-shaped bracket 2, the stopping grooves 24 are arranged at the two ends of the inclined plane chute 23, and the stopping grooves 24 at the two ends of the inclined plane chute 23 are parallel to the locking grooves 11;

The lock tongue 3 is provided with a semicircular locking block 31 and a connecting block 32, one end of the connecting block 32 is rotationally connected with the lock shell 1, a gear 5 is fixedly connected at the rotational connection position of the connecting block 32 and the lock shell 1, and the other end of the connecting block 32 is fixedly connected with one end of the semicircular locking block 31;

through the arrangement, in the actual working process, the specific working principle is as follows:

and (2) mounting: the lock catch is arranged on the opening and closing side of the safe box door, is fixed through a fixing part 12 extending out of the shell, and simultaneously inserts the moving end of the lock cylinder into an inclined chute 23 in a long limb 21 of the T-shaped bracket 2, wherein the moving direction of the moving end of the lock cylinder is horizontal movement along the direction of the long limb 21;

Locking state: the key is inserted to rotate the lock cylinder, and the moving direction of the lock cylinder moving end is that the lock cylinder horizontally moves to the inner side of the long limb 21 along the outer side of the long limb 21; firstly, the lock cylinder moving end moves from a stop groove 24 at the outer side of a bevel sliding groove 23 to the inside of the bevel sliding groove 23, then the lock cylinder moving end enters the bevel sliding groove 23, and because the bevel sliding groove 23 is obliquely arranged at the end face of a long limb 21 of a T-shaped support 2, the lock cylinder moving end is driven to move upwards in the horizontal inward moving process along the direction of the long limb 21, in the upward moving process of the T-shaped support 2, as a rack 4 is fixedly connected at one side of a short limb 22 of the T-shaped support 2, the rack 4 is meshed with a gear 5, the gear 5 is fixedly connected with a lock tongue 3 in a rotating connection position, so that the T-shaped support 2 moves upwards, and simultaneously, the lock tongue 3 is driven to extend from the state shown in fig. 2 to the state shown in fig. 1, when the lock tongue 3 extends completely to the state in fig. 1, the stop groove 24 at the inner side of the long limb 21 coincides with the lock groove 11 at one side of the lock cylinder moving end, and the lock cylinder moving end also enters the lock groove 11 and the stop groove 24 at the same time, and the lock cylinder moving end 2 cannot move due to the limitation of the moving end in the lock cylinder moving end in the state.

Unlocking state: the key is inserted to rotate the lock cylinder, and the moving direction of the lock cylinder moving end is that the lock cylinder moves horizontally along the inner side of the long limb 21 to the outer side of the long limb 21; firstly, the lock cylinder moving end moves from the stop groove 24 at the inner side of the inclined surface chute 23 to the inclined surface chute 23, after the lock cylinder moving end enters the inclined surface chute 23, the lock cylinder moving end does not limit the rotation of the lock tongue 3 through the locking groove 11 and the stop groove 24 any more, in the process that the lock cylinder moving end moves to the stop groove 24 at the outer side of the inclined surface chute 23, the T-shaped bracket 2 drives the lock tongue 3 to retract inwards from the state of fig. 1 to the state of fig. 2 through the gear 5 and the rack 4, and at the moment, the lock cylinder moving end enters the stop groove 24 at the outer side of the inclined surface chute 23 to position the lock tongue 3, so that the lock tongue 3 is prevented from interfering the opening of a safe box door.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (4)

1. The utility model provides a hasp is strengthened to safe, its characterized in that includes lock shell, T shape support, spring bolt, rack and gear, T shape support has long limb and the short limb of perpendicular distribution in long limb both sides, the short limb in T shape support both sides and lock shell both ends sliding connection, the spring bolt rotates to be connected in lock shell one side, short limb one side fixedly connected with rack of T shape support, gear and spring bolt rotate hookup location fixed connection, gear and rack meshing.

2. The reinforced lock catch of claim 1, wherein the lock case is a box body with two open sides, the middle part of one side opening of the lock case is rotatably connected with a lock tongue, the middle part of the other side opening of the lock case is provided with a locking groove, and the two closed sides of the lock case are further provided with fixing parts extending out of the shell.

3. The reinforced lock catch of claim 1, wherein the long limb of the T-shaped bracket is further provided with an inclined plane chute and a stop slot, the inclined plane chute is obliquely arranged on the end face of the long limb of the T-shaped bracket, the stop slots are arranged at two ends of the inclined plane chute, and the stop slots at two ends of the inclined plane chute are parallel to the locking slots.

4. The reinforced lock catch of claim 1, wherein the lock tongue has a semicircular locking block and a connecting block, one end of the connecting block is rotatably connected with the lock shell, a gear is fixedly connected to the connecting block and the lock shell at a rotational connection position, and the other end of the connecting block is fixedly connected with one end of the semicircular locking block.