Luggage lock group fixing mechanism

Abstract

A luggage lock set fixing mechanism comprises a lock set mounting groove in a luggage shell, an upper lock body and a lower lock shell, an upper lock panel and a sinking lock cylinder shell are arranged on the upper lock body, the length and the width of the upper lock panel are both larger than those of the lock set mounting groove, and the length and the width of the sinking lock cylinder shell are both smaller than those of the lock set mounting groove. The length and the width of the upper edge of the lower lock shell are both larger than those of the lock set mounting groove, the clamping spring piece is clamped and fixed between the connecting plate and the fixing plate, the two ends of the clamping spring piece are provided with a single clamping connector and a double clamping connector respectively, and the inner side walls of the two sides of the lower lock shell are provided with a single clamping protrusion and a double clamping protrusion respectively. The single-clamping connector and the single-clamping protrusion are clamped, matched and fixed, the double-clamping connector and the double-clamping protrusion are clamped, matched and fixed, the width size of the single-clamping connector is smaller than or equal to the interval width between the double-clamping protrusion, and the width size of the single-clamping protrusion is smaller than or equal to the interval width between the double-clamping connector. And the upper lock body and the lower lock shell are clamped, matched and fixedly clamped on the box shell.

Description

Technical Field

[0001] The present invention relates to a fixing mechanism for a luggage lock set. Background Art

[0002] Most of the lock sets on luggage are installed in a sunken manner in an installation groove formed on a luggage board or shell, and the fixing method mostly used is manual riveting or screw fixing. This installation method requires manual operation, is time-consuming and laborious during the installation process, and cannot achieve automated assembly line assembly. Moreover, during transportation, each component needs to be placed separately, occupying a large space. Summary of the Invention

[0003] The present invention provides a fixing mechanism for a luggage lock set, which has the advantages of simple structure, quick installation, small transportation space, and can be assembled on an automated assembly line.

[0004] To solve the above technical problems, the present invention adopts the following technical solutions: A fixing mechanism for a luggage lock set includes a lock set installation groove on a box shell, an upper lock body and a lower lock shell. The upper lock body is provided with an upper lock panel and a sunken lock core shell. The length and width dimensions of the upper lock panel are both larger than the length and width dimensions of the lock set installation groove. The length and width dimensions of the sunken lock core shell are both smaller than the length and width dimensions of the lock set installation groove. The length and width dimensions of the upper edge of the lower lock shell are both larger than the length and width dimensions of the lock set installation groove. The sunken lock core shell is provided with a connecting plate, a snap spring piece and a fixing plate. One side of the connecting plate is connected to the sunken lock core shell, and the other side of the connecting plate is connected to the fixing plate. The snap spring piece is clamped and fixed between the connecting plate and the fixing plate. The two ends of the snap spring piece are respectively provided with a single card joint and a double card joint. On the inner side walls of both sides of the lower lock shell, there are respectively provided with a single card joint protrusion and a double card joint protrusion. The single card joint is engaged and fixed with the single card joint protrusion, and the double card joint is engaged and fixed with the double card joint protrusion. The width dimension of the single card joint is less than or equal to the interval width between the double card joint protrusions, and the width dimension of the single card joint protrusion is less than or equal to the interval width between the double card joints. The upper lock body and the lower lock shell are respectively attached to both sides of the lock set installation groove on the box shell, and the upper lock body, the lower lock shell and the box shell are clamped and fixed by snap-fit.

[0005] The beneficial effects of the present invention are as follows: By the upper locking panel and the upper edge of the lower lock case, both of which have length and width dimensions larger than those of the lock group installation groove, the two sides of the lock group installation groove on the box shell are clamped. Then, through the clamping connection between the lower lock case and the retaining spring plate, and the clamping connection between the connecting plate and the sunken lock core case, a nail-free installation and quick assembly effect on the surface of the box shell are achieved. The specific installation process is as follows: First, install the retaining spring plate between the connecting plate and the fixing plate. Then, pass the sunken lock core case through the lock group installation groove. Next, fix and connect the connecting plate together with the retaining spring plate and the fixing plate to the sunken lock core case. Finally, fasten the lower lock case. Through the single clamping joint and the double clamping joint on the retaining spring plate respectively being in clamping engagement with the single clamping protrusion and the double clamping protrusion on the inner side wall of the lower lock case, the lower lock case and the upper lock body are fixed together. The entire assembly process is fast, and the entire assembly process does not require manual riveting or screwing, and can achieve automated assembly on an assembly line. At the same time, for convenient transportation, the lower lock case can be first rotated 180 degrees and sleeved outside the sunken lock core case. At this time, the double clamping protrusion on the lower lock case corresponds to the single clamping joint of the retaining spring plate, and the single clamping protrusion on the lower lock case corresponds to the double clamping joint of the retaining spring plate. And because the width dimension of the single clamping joint is less than or equal to the interval width between the double clamping protrusions, and the width dimension of the single clamping protrusion is less than or equal to the interval width between the double clamping joints, no clamping engagement is generated between the lower lock case and the retaining spring plate, and it can be taken off at any time from the state of being sleeved outside the sunken lock core case. When it needs to be installed on the box shell, install it according to the installation process described above, so that all components of the lock group can be assembled and placed together during transportation without affecting subsequent installation.

[0006] Further, a hook is provided on the connecting plate, and a slot is provided on the sunken lock core case. The hook and the slot are in clamping engagement. By using the clamping engagement of the hook and the slot, a quick assembly effect can be achieved, and at the same time, a connection effect without rivets or screws can also be achieved.

[0007] Further, threaded holes are provided on the connecting plate, and screws are provided on the fixing plate. The screws are in threaded engagement with the threaded holes to connect and fix the connecting plate and the fixing plate. The fixation of the connecting plate and the fixing plate can be pre-operated to pre-fix the retaining spring plate between the two, realizing the pre-connection of the three small components of the connecting plate, the fixing plate, and the retaining spring plate into an integrated unit, which is more convenient for subsequent installation on the luggage.

[0008] Further, the clamping protrusion is of an inclined convex block structure, and the clamping joint of the retaining spring plate is matched with the inclined surface of the clamping protrusion. By setting the inclined convex block structure, the box shell plate between the upper lock body and the lower lock case can be clamped effectively regardless of different thicknesses, that is, the gap size between the upper lock body and the lower lock case is affected by the clamping joint of the retaining spring plate being clamped at different positions on the inclined surface of the clamping protrusion, and it can be applicable to box shell plates of different thicknesses.

[0009] Further, the clamping joint of the snap spring is a toothed structure. By using a toothed clamping joint, a more secure clamping effect can be achieved.

[0010] Further, the fixing plate is provided with disassembly and assembly screws, the sunken lock core housing is provided with disassembly and assembly screw holes, and the disassembly and assembly screws are threadedly engaged and fixed with the disassembly and assembly screw holes. The lower lock housing is provided with a plurality of through holes, and the through holes respectively correspond to the positions of the screws and the disassembly and assembly screws on the fixing plate, and the aperture of the through hole is larger than the maximum outer diameter of the screws and the disassembly and assembly screws. The setting of the disassembly and assembly screws enables workers to find that the installation direction of the lock set is incorrect or a certain component of the lock set needs to be replaced only after the lock set is installed. After loosening all the disassembly and assembly screws and the screws, the lower lock housing together with the fixing plate and the snap spring can be detached and removed from the connecting plate and the sunken lock core housing. After adjusting the direction or replacing some parts, it can be fixed back again through the disassembly and assembly screws and the screws. The aperture of the through hole on the lower lock housing is set to be larger than the maximum outer diameter of the screws and the disassembly and assembly screws, which can not affect the final snap-on and clamping cooperation with the snap spring when the lower lock housing is installed.

[0011] The present invention will be further described in detail below with reference to the drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic structural diagram of a luggage lock set fixing mechanism provided by the present invention.

[0013] Figure 2 is Figure 1 another perspective view of

[0014] Figure 3 is Figure 1 exploded state diagram of

[0015] Figure 4 is a schematic diagram of the cooperation state between the snap spring and the lower lock housing.

[0016] Figure 5 is Figure 4 another perspective view of

[0017] Figure 6 is a schematic diagram of the cooperation state between the snap spring and the connecting plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] As Figures 1-6As shown in the figure, a fixing mechanism for a luggage lock set provided by the present invention includes a lock set installation groove 11 on the luggage case 1, an upper lock body 2 and a lower lock case 3. The upper lock body 2 is provided with an upper lock panel 21 and a sunken lock core shell 22. The length and width dimensions of the upper lock panel 21 are both larger than those of the lock set installation groove 11, and the length and width dimensions of the sunken lock core shell 22 are both smaller than those of the lock set installation groove 11. The length and width dimensions of the upper edge 31 of the lower lock case 3 are both larger than those of the lock set installation groove 11. A connecting plate 4, a snap spring piece 5 and a fixing plate 6 are provided on the sunken lock core shell 22. One side of the connecting plate 4 is connected to the sunken lock core shell 22, and the other side of the connecting plate 4 is connected to the fixing plate 6. The snap spring piece 5 is clamped and fixed between the connecting plate 4 and the fixing plate 6. Single card joints 51 and double card joints 52 are respectively provided at both ends of the snap spring piece 5. Single card receiving protrusions 32 and double card receiving protrusions 33 are respectively provided on the inner side walls of both sides of the lower lock case 3. The single card joint 51 is engaged and fixed with the single card receiving protrusion 32, and the double card joint 52 is engaged and fixed with the double card receiving protrusion 33. The width dimension of the single card joint 51 is less than or equal to the interval width between the double card receiving protrusions 33, and the width dimension of the single card receiving protrusion 32 is less than or equal to the interval width between the double card joints 52. The upper lock body 2 and the lower lock case 3 are respectively attached to both sides of the lock set installation groove 11 on the luggage case 1, and the luggage case 1, the upper lock body 2 and the lower lock case 3 are clamped and fixed on the luggage case 1 by snap connection. A hook 41 is provided on the connecting plate 4, and a card slot 23 is provided on the sunken lock core shell 22. The hook 41 is engaged and fixed with the card slot 23. A threaded hole 42 is provided on the connecting plate 4, and a screw 61 is provided on the fixing plate 6. The screw 61 is threadedly engaged with the threaded hole 42 to connect and fix the connecting plate 4 and the fixing plate 6. The card receiving protrusion 32 is of an inclined convex block structure, and the card joint 51 of the snap spring piece 5 is matched with the inclined surface of the card receiving protrusion 32. The card joint 51 of the snap spring piece 5 is of a toothed structure. A disassembly and assembly screw 62 is provided on the fixing plate 6, and a disassembly and assembly threaded hole 24 is provided on the sunken lock core shell 22. The disassembly and assembly screw 62 is threadedly engaged and connected with the disassembly and assembly threaded hole 24 for fixing. A plurality of through holes 34 are provided on the lower lock case 3, and the through holes 34 respectively correspond to the positions of the screw 61 and the disassembly and assembly screw 62 on the fixing plate 6, and the aperture of the through hole 34 is larger than the maximum outer diameter of the screw 61 and the disassembly and assembly screw 62.

Claims

1. A fixing mechanism for a luggage lock set, comprising a lock set installation groove (11) on a box shell (1), an upper lock body (2) and a lower lock shell (3), characterized in that: The upper lock body (2) is provided with an upper lock panel (21) and a sunken lock core housing (22). The length and width dimensions of the upper lock panel (21) are both larger than those of the lock group installation groove (11). The length and width dimensions of the sunken lock core housing (22) are both smaller than those of the lock group installation groove (11). The length and width dimensions of the upper edge (31) of the lower lock housing (3) are both larger than those of the lock group installation groove (11). A connecting plate (4), a snap spring piece (5), and a fixing plate (6) are provided on the sunken lock core housing (22). One side of the connecting plate (4) is connected to the sunken lock core housing (22), and the other side of the connecting plate (4) is connected to the fixing plate (6). The snap spring piece (5) is clamped and fixed between the connecting plate (4) and the fixing plate (6). Single-card joints (51) and double-card joints (52) are respectively provided at both ends of the snap spring piece (5). Single-card engaging protrusions (32) and double-card engaging protrusions (33) are respectively provided on the inner side walls of both sides of the lower lock housing (3). The single-card joint (51) is engaged and fixed with the single-card engaging protrusion (32), and the double-card joint (52) is engaged and fixed with the double-card engaging protrusion (33). The width dimension of the single-card joint (51) is less than or equal to the interval width between the double-card engaging protrusions (33), and the width dimension of the single-card engaging protrusion (32) is less than or equal to the interval width between the double-card joints (52). The upper lock body (2) and the lower lock housing (3) are respectively attached to both sides of the lock group installation groove (11) on the box shell (1) to clamp and fix the box shell (1), and the upper lock body (2) and the lower lock housing (3) are clamped and fixed to the box shell (1) through snap-fit connection.

2. The fixed mechanism for a luggage lock set according to claim 1, wherein: A hook (41) is provided on the connecting plate (4), and a slot (23) is provided on the sunken lock core housing (22). The hook (41) is engaged and fixed with the slot (23).

3. The fixed mechanism of a luggage lock set according to claim 1, wherein: A threaded hole (42) is provided on the connecting plate (4), and a screw (61) is provided on the fixing plate (6). The screw (61) is in threaded cooperation with the threaded hole (42) to connect and fix the connecting plate (4) and the fixing plate (6).

4. A fixing mechanism for a luggage lock set according to claim 1, characterized in that: The engaging protrusion (32) is of an inclined convex block structure, and the card joint (51) of the snap spring piece (5) is matched with the inclined surface of the engaging protrusion (32).

5. A fixing mechanism for a luggage lock set according to claim 1 or 4, characterized in that: The card joint (51) of the snap spring piece (5) is of a toothed structure.

6. The fixed mechanism of a luggage lock set according to claim 3, characterized in that: A disassembly and assembly screw (62) is provided on the fixing plate (6), and a disassembly and assembly threaded hole (24) is provided on the sunken lock core housing (22). The disassembly and assembly screw (62) is in threaded cooperation and connection with the disassembly and assembly threaded hole (24). A plurality of through holes (34) are provided on the lower lock housing (3). The through holes (34) respectively correspond to the positions of the screws (61) and the disassembly and assembly screws (62) on the fixing plate (6), and the aperture of the through holes (34) is larger than the maximum outer diameter of the screws (61) and the disassembly and assembly screws (62).

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