CN-224219640-U - Box connection structure and suitcase

Abstract

The utility model provides a box body connecting structure and a trunk. The box body connecting structure comprises a connecting piece, a box shell and a coupling piece. One end of the connecting piece is provided with a first clamping part, and the other end of the connecting piece is connected with an external pull chain or a hinge for connecting the box shell with another box shell to form a complete box body. The case shell is provided with an assembly through hole. The coupling piece is provided with a second clamping part, and the first clamping part passes through the assembly through hole and is clamped with the second clamping part positioned at the other side of the assembly through hole. The detachable design of the box body connecting structure breaks through the limitation of the traditional sewing technology, simplifies the assembly process and improves the compatibility of the box body to different connecting pieces.

Inventors

• GUO CHANGJUN
• CHEN XIAOGE

Assignees

• 深圳市拓途科技有限公司

Dates

Publication Date

20260512

Application Date

20250509

Claims (12)

1. 1. A box body connecting structure comprises a connecting piece, a box shell and a coupling piece and is characterized in that a first clamping part is arranged at one end of the connecting piece, the other end of the connecting piece is connected with an outer zipper or a hinge used for connecting the box shell with another box shell to form a complete box body, an assembly through hole is formed in the box shell, a second clamping part is arranged on the coupling piece, and the first clamping part penetrates through the assembly through hole and is clamped with the second clamping part at the other side of the assembly through hole.
2. 2. The tank connecting structure according to claim 1, wherein the tank case includes a first side wall, a second side wall, and a first cross member, and the fitting through hole is opened on the first cross member.
3. 3. The case connecting structure according to claim 2, wherein the first clamping portion has a projection, the second clamping portion has a groove, or the first clamping portion has a groove, the second clamping portion has a projection, and the projection is inserted into the groove to realize clamping of the first clamping portion and the second clamping portion.
4. 4. A box connection structure according to claim 3, wherein the projection is a trapezoidal projection, a T-shaped projection or a circular projection, and the recess is a trapezoidal recess, a T-shaped recess or a circular recess which is engaged with the projection.
5. 5. The connecting structure of any one of claims 2 to 4, wherein a clamping hole is formed in a side surface of the first clamping portion, a clamping hook is arranged on the second side wall or an inner wall of the first side wall, and the clamping hook is clamped with the clamping hole after the first clamping portion passes through the assembly through hole.
6. 6. The case connecting structure according to claim 2, wherein the first clamping portion and the second clamping portion are provided with pin holes, the case connecting structure further comprises pins, and the pins penetrate through the pin holes after the first clamping portion and the second clamping portion are clamped.
7. 7. The case connecting structure according to claim 5, wherein the case further includes a second cross member, the second cross member and the first cross member are provided with fitting through holes in a staggered manner, and when the first and second clamping portions respectively pass through the fitting through holes, the end portions of the first and second clamping portions respectively abut against the upper surface of the second cross member and the lower surface of the first cross member.
8. 8. The case connecting structure according to claim 5, wherein the other end of the connecting member is connected to an outer zipper, the case is H-shaped, Z-shaped or L-shaped in cross section, and the second side wall outer side surface is an outer surface of the case.
9. 9. The case connecting structure according to claim 1, wherein the other end of the connecting member is connected to a hinge, the connecting member is provided with a protrusion or a top groove at one end far from the coupling member, and a waterproof adhesive tape is provided at the protrusion or the top groove.
10. 10. The tank connecting structure according to any one of claims 2 to 4 and 6, wherein the coupling member is provided with a boss or a pawl at an end remote from the connecting member, and the second side wall is provided with a recess fitted with the boss or the pawl at an end remote from the connecting member.
11. 11. The case connecting structure according to any one of claims 2 to 4 and 6, wherein the connecting member extends toward the first side wall at an end remote from the coupling member to form an inner groove for mounting an inner slide fastener.
12. 12. A luggage case, characterized in that the luggage case comprises the case body connecting structure as claimed in any one of claims 1 to 11.

Description

Box connection structure and suitcase Technical Field The utility model relates to the technical field of case connection, in particular to a case body connection structure and a trunk. Background In the actual production of the case, the industry currently adopts a sewing technology, and the zipper, the lining cloth and the case shell are tightly fixed by manual sewing. However, the labor intensity of the process is high, the labor cost and the complexity of the production flow are increased, and the consistency of the product is difficult to guarantee due to the limitation of manual operation. Generally, the larger the box size, the higher the sewing difficulty and the defective rate. Automated assembly is one of the future developments in the field, and further improvements in the case connection structure are necessary to accommodate automated assembly production. Disclosure of Invention The utility model provides a box body connecting structure for realizing the purposes, breaks through the irreversible fixing mode of the zipper or the hinge and the box shell in the conventional box production, reduces the assembly difficulty and can realize automatic production. The specific technical scheme is as follows: A box body connecting structure comprises a connecting piece, a box shell and a coupling piece, wherein a first clamping part is arranged at one end of the connecting piece, the other end of the connecting piece is connected with an outer zipper or a hinge used for connecting the box shell with another box shell to form a complete box body, an assembly through hole is formed in the box shell, a second clamping part is arranged on the coupling piece, and the first clamping part penetrates through the assembly through hole and is clamped with the second clamping part located at the other side of the assembly through hole. As a further improvement and refinement of the present utility model, the case includes a first side wall, a second side wall, and a first beam, and the assembly through hole is opened on the first beam. As a further improvement and refinement of the present utility model, the first clamping portion has a projection, the second clamping portion has a groove, or the first clamping portion has a groove, the second clamping portion has a projection, and the projection is inserted into the groove to realize clamping of the first clamping portion and the second clamping portion. As a further improvement and refinement of the present utility model, the bump is a trapezoidal bump, a T-shaped bump or a circular bump, and the groove is a trapezoidal groove, a T-shaped groove or a circular groove which is matched with the bump. As a further improvement and refinement of the utility model, a clamping hole is formed in the side face of the first clamping part, a clamping hook is arranged on the inner wall of the second side wall or the first side wall, and the clamping hook is clamped with the clamping hole after the first clamping part passes through the assembly through hole. As a further improvement and refinement of the present utility model, the first clamping portion and the second clamping portion are correspondingly provided with pin holes, and the box body connection structure further includes a bolt, and the bolt penetrates through the pin holes after the first clamping portion and the second clamping portion are clamped. As a further improvement and refinement of the present utility model, the case further includes a second beam, the second beam and the first beam are provided with assembling through holes in a staggered manner, and when the first clamping portion and the second clamping portion respectively pass through the corresponding assembling through holes, the end portions of the first clamping portion and the second clamping portion respectively abut against the upper surface of the first beam and the lower surface of the second beam. As a further improvement and refinement of the utility model, the other end of the connecting piece is connected with an outer zipper, the section of the box shell is H-shaped, Z-shaped or L-shaped, and the outer side surface of the second side wall is the outer surface of the box shell. As a further improvement and refinement of the utility model, the other end of the connecting piece is connected with a hinge, a protruding part or a top groove is arranged at one end of the connecting piece far away from the coupling piece, and a waterproof adhesive tape is arranged at the protruding part or the top groove. As a further improvement and refinement of the utility model, the coupling element is provided with a boss or a pawl at an end remote from the connecting element, and the second side wall is provided with a recess cooperating with the boss or the pawl at an end remote from the connecting element. As a further improvement and refinement of the present utility model, the connecting member extends toward the first side wall at an end remote fro