A locking structure for a storage and transportation protective packaging box

Abstract

The utility model discloses a lock buckle structure of a storage and transportation protection packaging box, which is used to lock the box door and box body of the storage and transportation protection packaging box, and the box door is arranged at an opening at one end of the box body; the lock buckle structure comprises: a lock handle (1), a lock rod (4), a clamping assembly, and a lock base (5); the lock base (5) is installed on the box body, the lower end of the lock rod (4) is hinged on the lock base (5), one end of the lock handle (1) is a lock head end, the lock head end is eccentrically hinged to the upper end of the lock rod (4), and the other end of the lock handle (1) is a handheld operation end; the clamping assembly is sleeved on the lock rod (4) and is located above the box door; the handheld operation end of the lock handle (1) is rotated to drive the lock head end to clamp the clamping assembly on the box door or release the pressure applied to the clamping assembly. The utility model is simple and convenient to operate, and the direction of the lock handle can be controlled by rotating the free end of the lock handle, thereby realizing the overall aesthetics of the lock buckle of the storage and transportation protection packaging box.

Description

Technical Field

[0001] The utility model belongs to the technical field of packaging boxes and relates to a locking structure of a storage and transportation protection packaging box. Background Art

[0002] During storage and transportation, the safety of the product depends on the mechanical properties of the packaging box. Therefore, the storage and transportation protective packaging box must have the necessary strength, rigidity, sealing protection and other requirements to meet the environmental adaptability requirements of high and low temperature storage, temperature shock, humidity and heat, rain, vibration, impact, drop, etc., to ensure the safety of the product.

[0003] In order to ensure good sealing of the packaging box, the key is to achieve sealing between the box door and the box body. Locking the box door and the box body requires a lock structure. Existing boxes are generally equipped with multiple locks, which do not have the ability to adjust the force size and direction individually, which can easily lead to problems such as poor sealing of the packaging box, inconsistent lock directions, and low product aesthetics. Utility Model Content

[0004] (I) Purpose of the utility model

[0005] The purpose of the utility model is to solve the problem in the prior art that the storage and transportation protective packaging box cannot accurately adjust the size and direction of multiple lock buckles when multiple lock buckles are arranged, resulting in low sealing performance of the storage and transportation protective packaging box and poor product aesthetics.

[0006] (II) Technical solution

[0007] In order to solve the above technical problems, the utility model provides a lock structure of a storage and transportation protective packaging box, which is used to lock the box door and box body of the storage and transportation protective packaging box, and the box door is arranged at an opening at one end of the box body; the lock structure comprises: a lock handle 1, a lock rod 4, a clamping assembly, and a lock base 5; the lock base 5 is installed on the box body, the lower end of the lock rod 4 is hinged on the lock base 5, one end of the lock handle 1 is a lock head end, the lock head end is eccentrically hinged to the upper end of the lock rod 4, and the other end of the lock handle 1 is a handheld operating end; the clamping assembly is sleeved on the lock rod 4 and is located above the box door; rotating the handheld operating end of the lock handle 1 drives the lock head end to press the clamping assembly on the box door or release the pressure applied to the clamping assembly.

[0008] Among them, the clamping assembly includes an adjusting screw 2 and an adjusting nut 3, both of which are sleeved on the locking rod 4, and the adjusting nut 3 is located below the adjusting screw 2; the lower end of the adjusting screw 2 is provided with an external thread, and the adjusting nut 3 is threadedly connected to the external thread at the lower end of the adjusting screw 2.

[0009] The upper end of the adjusting screw 2 is an annular pressing platform, and the lower end is an externally threaded rod. The adjusting nut 3 is threadedly connected to the externally threaded rod, and the outer diameter of the annular pressing platform is consistent with the outer diameter of the adjusting nut 3.

[0010] Wherein, a hinge seat is arranged on the lock base 5, and the lower end of the lock rod 4 is hinged to the hinge seat through a screw, so that the lower end of the lock rod 4 can rotate around the screw.

[0011] The box door has a locking rod groove, when the box door and the box body are locked, the locking rod 4 is embedded in the locking rod groove, when the box door and the box body are opened, the lower end of the locking rod 4 rotates around the screw 6, and the locking rod 4 comes out of the locking rod groove.

[0012] There is a connecting rod between the lock head end and the handheld operating end of the lock handle 1, and the handheld operating end, the connecting rod and the lock head end are in an S shape.

[0013] Among them, the lock head end of the lock handle 1 is an arc-shaped surface, one side of the head is milled into a plane, and the other side of the head is connected to the connecting rod of the lock handle 1; an eccentric hole is opened on the lock head end, and a screw passes through the eccentric hole and the upper end of the lock rod 4 to hinge the lock head end and the lock rod 4; the distance between the center of the eccentric hole and the center of the arc surface is smaller than the distance between the center of the eccentric hole and the plane on one side of the head.

[0014] Wherein, the lock handle 1, the adjustment screw 2, the adjustment nut 3, the lock rod 4, and the lock base 5 are all made of stainless steel.

[0015] When the lock structure is working, the lock handle 1 is rotated, and the plane on one side of the lock head end acts on the annular pressure platform, and the adjustment nut 3 presses the box door, and the box door and the box body are locked; when the lock handle 1 is rotated, and the arc surface contacts the annular pressure platform, the box door and the box body are unlocked.

[0016] Wherein, a plurality of lock structures are arranged between the box door and the box body.

[0017] (III) Beneficial effects

[0018] The lock structure of the storage and transportation protective packaging box provided by the above technical solution is simple and convenient to operate. The direction of the lock handle can be controlled by rotating the free end of the lock handle, thereby achieving the overall aesthetics of the lock of the storage and transportation protective packaging box. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram showing the locking structure of the storage and transportation protection packaging box of the utility model in a locked state.

[0020] Figure 2 It is a schematic diagram showing that the lock structure of the storage and transportation protection packaging box of the utility model is in an unlocked state.

[0021] In the figure: 1. Lock handle; 2. Adjustment screw; 3. Adjustment nut; 4. Lock rod; 5. Lock base; 6. Screw. DETAILED DESCRIPTION

[0022] In order to make the purpose, content and advantages of the utility model clearer, the specific implementation methods of the utility model are further described in detail below in conjunction with the drawings and embodiments.

[0023] The lock structure of the storage and transportation protection packaging box of this embodiment is used to lock the box door and the box body of the storage and transportation protection packaging box, and the box door is arranged at an opening at one end of the box body. Figure 1 and Figure 2 As shown, the lock structure includes a lock handle 1, a lock rod 4, a clamping assembly, and a lock base 5; the lock base 5 is installed on the box body, the lower end of the lock rod 4 is hinged on the lock base 5, one end of the lock handle 1 is a lock head end, the lock head end is eccentrically hinged to the upper end of the lock rod 4, and the other end of the lock handle 1 is a handheld operating end; the clamping assembly is sleeved on the lock rod 4 and is located above the box door; rotating the handheld operating end of the lock handle 1 drives the lock head end to press the clamping assembly on the box door or release the pressure applied to the clamping assembly.

[0024] The clamping assembly includes an adjusting screw 2 and an adjusting nut 3, both of which are sleeved on a locking rod 4, and the adjusting nut 3 is located below the adjusting screw 2; an external thread is provided at the lower end of the adjusting screw 2, and the adjusting nut 3 is threadedly connected with the external thread at the lower end of the adjusting screw 2. By adjusting the position of the adjusting nut 3 on the external thread of the adjusting screw 2, the clamping force of the clamping assembly on the box door can be adjusted, so as to facilitate the adjustment of the sealing between the box door and the box body.

[0025] In this embodiment, the upper end of the adjusting screw rod 2 is an annular pressing platform, and the lower end is an externally threaded rod. The adjusting nut 3 is threadedly connected to the externally threaded rod, and the outer diameter of the annular pressing platform is consistent with the outer diameter of the adjusting nut 3.

[0026] A hinge seat is arranged on the lock base 5 , and the lower end of the lock rod 4 is hinged to the hinge seat through a screw 6 , so that the lower end of the lock rod 4 can rotate around the screw 6 .

[0027] The box door is provided with a locking rod groove. When the box door and the box body are locked, the locking rod 4 is embedded in the locking rod groove. When the box door and the box body are opened, the lower end of the locking rod 4 rotates around the screw 6, and the locking rod 4 comes out of the locking rod groove.

[0028] A connecting rod is provided between the lock head end and the hand-held operation end of the lock handle 1, and the hand-held operation end, the connecting rod and the lock head end are in an S shape.

[0029] The lock head end of the lock handle 1 is an arc-shaped surface, one side of the head is milled into a plane, and the other side of the head is connected to the connecting rod of the lock handle 1; an eccentric hole is provided on the lock head end, and a screw passes through the eccentric hole and the upper end of the lock rod 4 to hinge the lock head end and the lock rod 4; the distance between the center of the eccentric hole and the center of the arc-shaped surface is smaller than the distance between the center of the eccentric hole and the plane on one side of the head.

[0030] When the lock handle 1 is turned and the plane of one side of the lock head end acts on the annular pressure platform, the adjustment nut 3 presses the box door, and the box door and the box body are locked; when the lock handle 1 is turned and the arc surface contacts the annular pressure platform, the box door and the box body are unlocked, and the lock rod 4 rotates out of the lock rod groove around the screw 6 hinged at the lower end, so that the box door can be separated from the box body.

[0031] In this embodiment, when multiple lock structures are arranged between the box door and the box body, the distance between the adjustment screw 2 and the adjustment nut 3 is adjusted by rotating the adjustment nut 3, so that the adjustment nut 3 is loosened or fixed on the surface of the box door, thereby accurately controlling the magnitude of the force of the multiple lock structures, so that the storage and transportation protective packaging box has good sealing. The lock handle 1 is S-shaped, which increases the operating space and is simple and convenient to operate. In addition, the direction of the lock handle 1 can be controlled by rotating the handheld operating end of the lock handle 1, thereby achieving the overall aesthetics of the lock of the storage and transportation protective packaging box.

[0032] In this embodiment, the lock handle, the adjustment screw, the adjustment nut, the lock rod, the lock base and the screw are all made of stainless steel, which has high hardness and is not easy to be damaged or rusted.

[0033] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A locking structure for a storage and transportation protection packaging box, used to lock the box door and box body of the storage and transportation protection packaging box, wherein the box door is arranged at an opening at one end of the box body; characterized in that: The lock structure comprises: a lock handle (1), a lock rod (4), a clamping assembly, and a lock base (5); the lock base (5) is mounted on the box body, the lower end of the lock rod (4) is hinged on the lock base (5), one end of the lock handle (1) is a lock head end, the lock head end is eccentrically hinged to the upper end of the lock rod (4), and the other end of the lock handle (1) is a handheld operating end; the clamping assembly is sleeved on the lock rod (4) and is located above the box door; the handheld operating end of the lock handle (1) is rotated to drive the lock head end to clamp the clamping assembly on the box door or release the pressure applied to the clamping assembly.

2. The locking structure of the storage and transportation protection packaging box according to claim 1, characterized in that: The clamping assembly comprises an adjusting screw (2) and an adjusting nut (3), wherein the adjusting screw (2) and the adjusting nut (3) are both sleeved on a locking rod (4), and the adjusting nut (3) is located below the adjusting screw (2); an external thread is provided at the lower end of the adjusting screw (2), and the adjusting nut (3) is threadedly connected to the external thread at the lower end of the adjusting screw (2).

3. The locking structure of the storage and transportation protection packaging box according to claim 2, characterized in that: The upper end of the adjusting screw rod (2) is an annular pressing platform, and the lower end is an external threaded rod. The adjusting nut (3) is threadedly connected to the external threaded rod, and the outer diameter of the annular pressing platform is consistent with the outer diameter of the adjusting nut (3).

4. The locking structure of the storage and transportation protection packaging box according to claim 3 is characterized in that: A hinge seat is arranged on the lock base (5), and the lower end of the lock rod (4) is hinged to the hinge seat via a screw, so that the lower end of the lock rod (4) can rotate around the screw.

5. The locking structure of the storage and transportation protection packaging box according to claim 4, characterized in that: The box door is provided with a locking rod groove. When the box door and the box body are locked, the locking rod (4) is embedded in the locking rod groove. When the box door and the box body are opened, the lower end of the locking rod (4) rotates around the screw and the locking rod (4) comes out of the locking rod groove.

6. The locking structure of the storage and transportation protection packaging box according to claim 5, characterized in that: A connecting rod is provided between the lock head end and the hand-held operating end of the lock handle (1); the hand-held operating end, the connecting rod and the lock head end are in an S shape.

7. The locking structure of the storage and transportation protection packaging box according to claim 6, characterized in that: The lock head end of the lock handle (1) is an arc-shaped surface, one side of the head is milled into a plane, and the other side of the head is connected to the connecting rod of the lock handle (1); an eccentric hole is provided on the lock head end, and a screw passes through the eccentric hole and the upper end of the lock rod (4) to hinge the lock head end and the lock rod (4); the distance between the center of the eccentric hole and the center of the arc-shaped surface is smaller than the distance between the center of the eccentric hole and the plane on one side of the head.

8. The locking structure of the storage and transportation protection packaging box according to claim 7, characterized in that: The lock handle (1), the adjustment screw rod (2), the adjustment nut (3), the lock rod (4) and the lock base (5) are all made of stainless steel.

9. The locking structure of the storage and transportation protection packaging box according to claim 8, characterized in that: When the lock catch structure is in operation, the lock handle (1) is rotated, and a plane on one side of the lock head end acts on the annular pressure platform, and the adjustment nut (3) presses the box door, and the box door and the box body are locked; when the lock handle (1) is rotated, and the arc surface contacts the annular pressure platform, the box door and the box body are unlocked.

10. The locking structure of the storage and transportation protection packaging box according to claim 9, characterized in that: A plurality of lock structures are arranged between the box door and the box body.

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