Stable tool box locking structure

Abstract

The utility model discloses a stable toolbox locking structure, which relates to the toolbox technical field, and comprises a box body, the upper part of the box body is provided with a box cover, the rear side of the upper surface of the box body is provided with a groove, the middle part of the inner surface of the groove is rotatably provided with a rotating shaft, the middle part of the surface of the rotating shaft is fixedly provided with a connecting block, and the surface of the connecting block is fixedly provided with a rotating shaft. Torsion springs are fixedly installed on the left side and the right side of the surface of the connecting block, and the front end of the connecting block is fixedly connected with the box cover. Compared with an existing common stable tool box locking structure, according to the stable tool box locking structure, after a box cover and a box body are rotated through manual force application to be closed, a shifting piece is pressed downwards to enable an inserting block to move downwards, a telescopic spring is driven to extend, the inserting block is inserted into a cavity through block, and a plug pin is pushed to move forwards through an inclined face; the tension spring pulls the bolt to be inserted into the positioning hole, the insertion block is locked in the through cavity block, and therefore the box cover and the box body are stably locked and closed, and after unlocking, the box cover can be automatically turned over and opened.

Description

TECHNICAL FIELD

[0001] The utility model relates to tool box technical field, concretely is a stable tool box locking structure. BACKGROUND

[0002] Tool box, as the name implies, is a kind of container, is the container of storage tools and various household sundries, can be used for production, family, maintenance and various purposes, is widely used, when storage needs to be locked, to avoid internal articles falling.

[0003] Such as the disclosure document with application No.202120770965.4, discloses a stable tool box opening and closing locking structure, the utility model discloses by downwardly closing and pressing the box cover, the box cover is attached to the box, at this time, the box cover drives the limit plate to move to the inside of the box, and the limit rod is extruded, when the limit rod is extruded to the limit groove, spring reset makes the limit rod move to the inside of limit groove, to close the tool box, convenient operation, without using buckle, avoid the injury of operating personnel, but the stable tool box locking structure, when rotating knob drives gear meshing tooth block to move, makes the limit rod unlock, at this time, the box cover is still in closed state, if the knob is loosened at this time, the limit rod will be inserted again under the influence of spring, so opening this tool box needs artificial one hand to keep the rotating state of knob, and the other hand needs to open the box cover, not conducive to convenient and practical.

[0004] Therefore, in view of the above, the existing structure is improved, and a stable tool box locking structure is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a stable tool box locking structure to solve the problems in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a stable tool box locking structure, including the box, the upper portion of the box is provided with the box cover, the rear side of the upper surface of the box is provided with the recess, the inner surface middle part of the recess is rotatably provided with the pivot, the surface middle part of the pivot is fixedly installed with the connecting block, the surface left and right sides of the connecting block are fixedly installed with the torsion spring, the front end of the connecting block is fixedly connected with the box cover, the front side surface of the box cover and the box is provided with the locking mechanism, the upper surface of the box is fixedly installed with the handle.

[0007] Preferably, the shape of the connecting block is set as "L" shape, and one end of the torsion spring away from the connecting block is fixedly connected with the inner surface of the recess.

[0008] Preferably, the locking mechanism comprises a fixed block fixedly installed on the front side surface of the box cover, a retractable spring fixedly installed on the inner surface of the fixed block, and an insertion block fixedly arranged at the lower end of the retractable spring.

[0009] Preferably, the locking mechanism further comprises a push piece fixedly installed on the front side surface of the insertion block, the front end of the push piece slidingly penetrating the fixed block, and a positioning hole formed in the lower front side surface of the push piece.

[0010] Preferably, the locking mechanism further comprises a through cavity block fixedly installed on the front side surface of the box body, and a tension spring fixedly installed on the front side surface of the through cavity block.

[0011] Preferably, the locking mechanism further comprises a latch fixedly installed at the front end of the tension spring, the rear end of the latch slidingly penetrating the through cavity block, and an inclined surface formed on the rear side of the surface of the latch.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The utility model discloses a rotating shaft, a torsion spring and a connecting block are arranged, after the locking mechanism is unlocked, the torsion spring drives the connecting block to rotate to the rear side by the elastic torsion force, so that the box cover is automatically opened, manual opening is not needed, and use is more convenient.

[0014] 2. The utility model discloses a locking mechanism, a fixed block, a retractable spring, an insertion block, a push piece, a positioning hole, a through cavity block, a tension spring and a latch are arranged, after the box cover and the box body are closed by manual force, the push piece is pressed downward to make the insertion block move downward, drives the retractable spring to extend, the insertion block is inserted into the inside of the through cavity block, the latch is pushed to move to the front side by the inclined surface, when the latch is flush with the positioning hole, the tension spring drives the latch to be inserted into the positioning hole, the insertion block is locked in the through cavity block, so that the box cover and the box body are stably locked and closed, the box cover can be unlocked only by pulling out the latch from the positioning hole twice, the insertion block is moved upward and shrinks into the fixed block by the retractable spring, the box cover and the box body can be unlocked, the purpose of quick unlocking is achieved, and the forward moving state of the latch does not need to be kept for a long time manually. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a whole front view structural schematic diagram of the utility model;

[0016] Fig. 2 It is a whole rear view structural schematic diagram of the utility model;

[0017] Fig. 3 It is a locking mechanism sectional view structural schematic diagram of the utility model.

[0018] In the figure: 1. Box body; 2. Box cover; 3. Groove; 4. Rotating shaft; 5. Torsion spring; 6. Connecting block; 7. Handle; 8. Locking mechanism; 801. Fixing block; 802. Telescopic spring; 803. Insert block; 804. Pick; 805. Positioning hole; 806. Through-cavity block; 807. Tension spring; 808. Latch. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] like Figs. 1-3 As shown, a stable toolbox locking structure includes a box body 1, a box cover 2 is provided above the box body 1, a groove 3 is provided on the rear side of the upper surface of the box body 1, a rotating shaft 4 is rotatably provided in the middle of the inner surface of the groove 3, a connecting block 6 is fixedly installed in the middle of the surface of the rotating shaft 4, a torsion spring 5 is fixedly installed on the left and right sides of the surface of the connecting block 6, the front end of the connecting block 6 is fixedly connected to the box cover 2, a locking mechanism 8 is provided on the box cover 2 and the front side surface of the box body 1, and a handle 7 is fixedly installed on the upper surface of the box body 1.

[0021] By adopting the above technical solution, after the locking mechanism 8 is unlocked, the torsion spring 5 uses its own elastic torsional force to drive the connecting block 6 to rotate backward at a fixed point using the rotating shaft 4, thereby automatically opening the box cover 2 without manual opening.

[0022] Furthermore, the shape of the connecting block 6 is set to be “L”-shaped, and one end of the torsion spring 5 away from the connecting block 6 is fixedly connected to the inner surface of the groove 3 .

[0023] By adopting the above technical solution, the "L"-shaped connecting block 6 is connected by extending the two sides. When rotating, the extended part can make up for the difference in arc motion rotation, avoiding the box cover 2 from getting stuck when rotating, and ensuring that the box cover 2 can be fully sealed and closed.

[0024] Furthermore, the locking mechanism 8 includes a fixed block 801 fixedly mounted on the front surface of the box cover 2 , a telescopic spring 802 fixedly mounted above the inner surface of the fixed block 801 , and an insert block 803 fixedly provided at the lower end of the telescopic spring 802 .

[0025] By adopting the above technical solution, the telescopic spring 802 provides the inserting block 803 with a force to contract and move upward.

[0026] Further, the locking mechanism 8 further comprises a push piece 804 fixedly installed on the front side surface of the insertion block 803, the front end of the push piece 804 slidingly penetrates the fixed block 801, and a positioning hole 805 is formed on the lower front side surface of the push piece 804.

[0027] By adopting the above technical scheme, the push piece 804 is convenient for manual pressing of the insertion block 803.

[0028] Further, the locking mechanism 8 further comprises a through cavity block 806 fixedly installed on the front side surface of the box body 1, and a tension spring 807 is fixedly installed on the front side surface of the through cavity block 806.

[0029] Further, the locking mechanism 8 further comprises a plug 808 fixedly installed at the front end of the tension spring 807, the rear end of the plug 808 slidingly penetrates the through cavity block 806, and the surface rear side of the plug 808 is provided with an inclined surface.

[0030] By adopting the above technical scheme, the push piece 804 is convenient for manual pressing of the insertion block 803.

[0031] To open the box cover 2, the plug 808 only needs to be pulled out of the positioning hole 805 twice, and the insertion block 803 will be pulled up to shrink into the fixed block 801 by the extension spring 802, so that the box cover 2 and the box body 1 can be unlocked.

[0032] Working principle: when the stable tool box locking structure is used, first, when the box cover 2 needs to be opened, the plug 808 is pulled out of the positioning hole 805, and the insertion block 803 is pulled up to shrink into the fixed block 801 by the extension spring 802, so that the box cover 2 and the box body 1 can be unlocked, after the locking mechanism 8 is unlocked, the torsion spring 5 uses its elastic torsion force to drive the connecting block 6 to rotate to the rear side by the pivot 4, so as to automatically open the box cover 2 without manual opening.

[0033] When the box cover 2 is closed and locked, after the box cover 2 and the box body 1 are closed by manual force, the push piece 804 is pressed downward to make the insertion block 803 move downward, the extension spring 802 is extended, the insertion block 803 is inserted into the through cavity block 806, the plug 808 is pushed to move to the front side by the inclined surface, when the plug 808 is flush with the positioning hole 805, the plug 808 is inserted into the positioning hole 805 by the tension spring 807, the insertion block 803 is locked in the through cavity block 806, so that the box cover 2 and the box body are stably locked and closed, which is the working principle of the stable tool box locking structure.

Claims

1. A stable tool box locking structure comprising a box body (1), characterized in that, The upper side of the box body (1) is provided with a box cover (2), the upper surface rear side of the box body (1) is provided with a recess (3), the inner surface middle part of the recess (3) is rotatably provided with a rotating shaft (4), the surface middle part of the rotating shaft (4) is fixedly installed with a connecting block (6), the surface left and right sides of the connecting block (6) are fixedly installed with a torsion spring (5), the front end of the connecting block (6) is fixedly connected with the box cover (2), the front side surface of the box cover (2) and the box body (1) is provided with a locking mechanism (8), and the upper surface of the box body (1) is fixedly installed with a handle (7).

2. The stable tool box locking structure according to claim 1, wherein The connecting block (6) is provided in the shape of "L", one end of the torsion spring (5) away from the connecting block (6) is fixedly connected with the inner surface of the recess (3).

3. The stable tool box locking structure according to claim 1, wherein The locking mechanism (8) comprises a fixed block (801) fixedly installed on the front side surface of the box cover (2), a telescopic spring (802) fixedly installed on the inner surface of the fixed block (801), and an insertion block (803) fixedly arranged at the lower end of the telescopic spring (802).

4. The stable tool box locking structure according to claim 1, wherein The locking mechanism (8) further comprises a push piece (804) fixedly installed on the front side surface of the insertion block (803), the front end of the push piece (804) is slidably penetrated through the fixed block (801), and the front side surface of the push piece (804) is provided with a positioning hole (805).

5. The stable tool box locking structure according to claim 1, wherein The locking mechanism (8) further comprises a through cavity block (806) fixedly installed on the front side surface of the box body (1), and a tension spring (807) fixedly installed on the front side surface of the through cavity block (806).

6. The stabilizing tool box locking structure of claim 1, wherein The locking mechanism (8) further comprises an insertion bolt (808) fixedly installed at the front end of the tension spring (807), the rear end of the insertion bolt (808) is slidably penetrated through the through cavity block (806), and the surface rear side of the insertion bolt (808) is provided as an inclined surface.

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