Box cover lock catch

Abstract

A box cover lock catch comprises a base part, a lap joint part, a movable lock catch body, a driving part and a spring, the base part comprises a movable cavity, a driving movable hole and a side movable cavity, and the lap joint part comprises a body, a hinge arm and a clasp; the movable lock catch comprises a buckle main body, a guide stop hole, a transmission seat, a spring seat hole and a movable buckle hook; one end of a spring is embedded into a spring seat hole, the other end of the spring is matched with an end plate at the suspended end of the movable cavity, a rotating shaft is rotationally matched with a groove hinge hole, the end of the rotating shaft is fixed to a shaft fixing hole, and a limiting seat is embedded into a stop groove; the rotating shaft is in sliding fit with the guide stop hole; the driving piece is matched with the transmission seat; the base is hinged to the box through a fixed shaft and a base hinge hole, and the inner side end of the buckle body is matched with the fixed shaft for limiting. The movable lock catch is effectively prevented from moving under the tensioning action of the spring; unlocking can be achieved by rotating the seat while the lock catch is driven by the driving piece.

Description

Technical Field

[0001] The utility model relates to a locking device for a box body and a box cover, in particular to a lock buckle. Background Art

[0002] At present, the existing technology, Chinese patent CN200420058783.0, a tool box with a lock structure, has two pivoted boxes, the opening ends of the two boxes are respectively provided with symmetrical lock parts, and the two lock parts are also provided with a lock body; the lock parts are each provided with a lock part near the outer edge of the box; the lock body has a lock body and a buckle body, the lock body and the buckle body are relatively provided with a pivot fixed axis, which is engaged with the lock part, and the lock body and the buckle body are relatively provided with a lock part and a buckle part, and the lock part and the buckle part of the lock part relative to the lock part form the same locking and buckling structure. The existing problems are: easy to loosen, and the locking is not firm. Utility Model Content

[0003] The utility model aims to provide a box cover lock buckle, which has the characteristics of firm locking and effective anti-loosening.

[0004] The utility model is realized in this way: a box cover lock, which is special in that it includes a base member, a lap member, a dynamic lock, a driving member and a spring.

[0005] The base member includes a movable cavity with a lower opening, a driving movable hole and a side movable cavity. The bottom of the side movable cavity is provided with a hinge groove, a limit seat, a groove hinge hole and a seat hinge hole. The driving hinge hole passes through the wall plate of the driving movable hole. The hook guide groove on the wall plate at the outer end of the movable cavity

[0006] The lap joint comprises a main body, two hinged arms arranged at one end of the main body and a buckle hook arranged at the other end, a stop groove is arranged at one end of the hinged arm adjacent to the main body, and an axis fixing hole is arranged at the suspended end of the hinged arm;

[0007] The dynamic lock buckle comprises a buckle body, a guide stop hole, a transmission seat, a spring seat hole arranged on one side of the transmission seat and a dynamic buckle hook;

[0008] The driving member is hinged to the driving movable hole and extends into the movable cavity. The dynamic lock buckle is arranged in the movable cavity. The dynamic buckle hook and the hook guide groove are slidably matched. One end of the spring is embedded in the spring seat hole, and the other end is matched with the end plate of the closed end of the movable cavity. The rotating shaft and the groove hinge hole are rotatably matched, and the end is fixed with the shaft fixing hole. The rotating shaft and the guide stop hole are slidably matched, and the driving member is matched with the transmission seat; the base is hinged to the box through the fixed axis and the seat hinge hole, and the inner end of the buckle body is limited by the fixed axis.

[0009] The special feature of the box cover lock buckle is that a sliding block is provided at the inner end of the buckle body.

[0010] A driving groove is provided on the inner end wall plate of the movable cavity.

[0011] The sliding block cooperates with the fixed shaft to stop and cooperates with the driving groove.

[0012] The special feature of the box cover lock is that a finger grip plate is provided at the suspended end of the base member.

[0013] The box cover lock is special in that: the suspended end of the base member is provided with a pressing anti-slip protrusion

[0014] The above-mentioned box cover lock is special in that: the driving member comprises a pressing plate and a driving plate, and a pivot hole is provided at the intersection of the pressing plate and the driving plate;

[0015] The pressing plate is engaged with the movable hole, and the driving plate extends into the movable cavity and cooperates with the transmission seat.

[0016] The utility model discloses a box cover lock buckle. The tensioning effect of a spring effectively prevents the dynamic lock buckle from moving. The dynamic lock buckle can be unlocked only when a driving member drives the dynamic lock buckle to rotate at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a cross-sectional view of the utility model.

[0018] Figure 2 It is one of the three-dimensional diagrams of the present utility model.

[0019] Figure 3 It is the second stereogram of the utility model.

[0020] Figure 4 It is one of the three-dimensional exploded views of the utility model.

[0021] Figure 5 This is the second three-dimensional exploded view of the present utility model.

[0022] Figure 6 This is the third three-dimensional exploded view of the present utility model. DETAILED DESCRIPTION

[0023] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] like Figure 1 The box cover lock shown in the figure comprises a base member 1, a lap member 2, a dynamic lock 3, a driving member 4 and a spring 5.

[0026] The base member 1 comprises a movable cavity 11 with a lower opening, a driving movable hole 12 and a side movable cavity 13. The bottom of the side movable cavity 13 is provided with a hinge groove 131, a limit seat 132, a groove hinge hole 133 and a seat hinge hole 134. The driving hinge hole 121 passes through the wall plate of the driving movable hole 12. The hook guide groove 111 on the wall plate at the outer end of the movable cavity 11

[0027] The lap joint 2 comprises a main body 21, two hinged arms 22 arranged at one end of the main body and a hook 23 arranged at the other end. A stop groove 24 is arranged at one end of the hinged arm 22 adjacent to the main body, and an axis fixing hole 221 is arranged at the suspended end of the hinged arm 22.

[0028] The dynamic lock buckle 3 includes a buckle body 31, a guide stop hole 32, a transmission seat 33, a spring seat hole 34 provided on one side of the transmission seat 33, and a dynamic buckle hook 35;

[0029] The driving member 4 is hinged to the driving active hole 12 through the driving hinge hole 121 and extends into the active cavity 11, the dynamic lock buckle 3 is arranged in the active cavity 11, the dynamic buckle hook 35 is slidably matched with the hook guide groove 111, one end of the spring 5 is embedded in the spring seat hole 34, and the other end is matched with the end plate of the suspended end of the active cavity 11, the rotating shaft 6 is rotatably matched with the groove hinge hole 133, and the end is fixed with the shaft fixing hole 221, the limit seat 132 and the stop groove 24 are embedded, the rotating shaft 6 is slidably matched with the guide stop hole 32, and the driving member 4 is matched with the transmission seat 33; the base member 1 is hinged to the box through the fixed shaft 7 and the seat hinge hole 134, and the inner end of the buckle body 31 is limited by the fixed shaft 7.

[0030] The suspended end of the base member 1 is provided with a finger plate 14, which can also be called an operating plate.

[0031] The suspended end of the base member is provided with a pressing anti-slip protrusion 15

[0032] As a further improvement of the present invention: a sliding block 311 is provided at the inner end of the buckle body 31.

[0033] The inner end wall plate of the active cavity 11 is provided with a driving groove 112.

[0034] The sliding block 311 cooperates with the fixed shaft 7 to stop, and cooperates with the driving groove 112 .

[0035] The driving member 4 includes a pressing plate 41 and a driving plate 42, and a pivot hole is provided at the intersection of the pressing plate 41 and the driving plate 42;

[0036] The pressing plate 41 is engaged with the movable hole 12 , and the driving plate 42 extends into the movable cavity 11 and cooperates with the transmission seat 33 .

[0037] When the utility model is used, the base member 1 is hinged to the box through the fixed axis 7 and the seat hinge hole 134. Figure 1 , Figure 4 The hook 23 of the lap joint 2 is buckled with the box cover, and is in a locked state;

[0038] In the locked state, first, the pressing plate 41 of the driving member 4 is pressed, the driving member 4 rotates counterclockwise, the driving plate 42 drives the transmission seat 33, the dynamic lock buckle 3 moves to the right and compresses the spring 5, the dynamic buckle hook 35 moves to the right in the hook guide groove 111, and the dynamic buckle hook 35 leaves the buckle pull of the box body;

[0039] Second, pull the hand plate 14 with your hand, the base member 1 rotates counterclockwise, the lap member 2 moves with the base member 1, the hook 23 leaves the buckle position on the box cover, and the unlocking is achieved. The press plate 41 loses power, and under the action of the spring 5, the dynamic hook 35 retracts into the active cavity 11, that is, the dynamic lock 3 moves to the left, and the driving member 4 is reset.

[0040] The utility model requires two steps to achieve unlocking, which effectively prevents loosening or accidental unlocking.

[0041] In the unlocked state, first, hold the handle 14 and rotate the base member 1 counterclockwise to engage the buckle hook 23 with the buckle position on the box cover; second, rotate the base member 1 clockwise, and the dynamic lock buckle 3 rotates with the base member 1; third, press the base member 1, and the dynamic buckle hook 35 engages with the buckle position of the box body.

[0042] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A box cover lock, characterized in that: It includes a base part, a lap part, a dynamic lock, a driving part and a spring. The base member includes a movable cavity with a lower opening, a driving movable hole and a side movable cavity. The bottom of the side movable cavity is provided with a hinge groove, a limit seat, a groove hinge hole and a seat hinge hole. The driving hinge hole passes through the wall plate of the driving movable hole. The hook guide groove on the wall plate at the outer end of the movable cavity The lap joint comprises a main body, two hinged arms arranged at one end of the main body and a buckle hook arranged at the other end, a stop groove is arranged at one end of the hinged arm adjacent to the main body, and an axis fixing hole is arranged at the suspended end of the hinged arm; The dynamic lock buckle comprises a buckle body, a guide stop hole, a transmission seat, a spring seat hole arranged on one side of the transmission seat and a dynamic buckle hook; The driving member is hinged to the driving movable hole and extends into the movable cavity. The dynamic lock buckle is arranged in the movable cavity, the dynamic buckle hook and the hook guide groove are slidably matched, one end of the spring is embedded in the spring seat hole, and the other end is matched with the end plate of the suspended end of the movable cavity, the rotating shaft and the groove hinge hole are rotatably matched, the end is fixed with the shaft fixing hole, the limit seat and the stop groove are embedded, the rotating shaft and the guide stop hole are slidably matched, and the driving member is matched with the transmission seat; the base is hinged to the box through the fixed axis and the seat hinge hole, and the inner end of the buckle body is limited by the fixed axis.

2. A box cover lock according to claim 1, characterized in that: The inner end of the buckle body is provided with a sliding block. A driving groove is provided on the inner end wall plate of the movable cavity. The sliding block cooperates with the fixed shaft to stop and cooperates with the driving groove.

3. The box cover lock according to claim 1, characterized in that: A hand-gripping plate is provided at the suspended end of the base member.

4. The box cover lock according to claim 1, characterized in that: The suspended end of the base member is provided with a pressing anti-slip protrusion.

5. A box cover lock according to claim 1, 2, 3 or 4, characterized in that: The driving member comprises a pressing plate and a driving plate, and a pivot hole is provided at the intersection of the pressing plate and the driving plate; The pressing plate is engaged with the movable hole, and the driving plate extends into the movable cavity and cooperates with the transmission seat.

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