A luggage case with a ratchet connection port frame

Abstract

The utility model relates to the field of luggage, concretely relates to a suitcase with ratchet connecting mouth frame, including upper box shell, lower box shell, mouth frame, main zipper, lining zipper and lining, the mouth frame is curved from the clamping strip that cross section is reciprocating folding shape, the clamping strip is equipped with the outer layer piece, middle layer piece and inner layer piece connected in proper order, forms the first clamping mouth between the outer layer piece and middle layer piece, is equipped with a plurality of ratchet teeth on the inner side of outer layer piece, is equipped with a plurality of tooth slots on the mouth portion outside of upper box shell and lower box shell respectively. Two mouth frames are placed between upper box shell and lower box shell, and the mouth portion of upper box shell and lower box shell can be inserted into the first clamping mouth of two mouth frames respectively and the ratchet teeth on two mouth frames can be inserted into the tooth slot of the mouth portion of upper box shell or lower box shell, and the ratchet teeth and tooth slot are inserted into each other to be clamped, so that upper box shell and lower box shell and two mouth frames are firmly connected without glue bonding and sewing, so that the environmental protection, the aesthetic property and the production efficiency of the suitcase can be enhanced.

Description

Technical Field

[0001] This utility model relates to the field of luggage, specifically to a suitcase with a ratchet connecting frame. Background Technology

[0002] Currently, most suitcases use hinged frames between the openings of the upper and lower shells to facilitate sealing and increase rigidity. These frames typically feature a main zipper and a lining zipper for opening, closing, and lining installation. The connection between the frame and the shells is usually achieved through gluing or sewing. However, the extensive use of glue is environmentally unfriendly, while sewing exposes the stitching, affecting aesthetics and increasing efficiency. Therefore, there is a desire to improve the suitcase structure. The ideal solution would be a frame that allows for direct insertion and snap-fit ​​between the upper and lower shells, eliminating the need for gluing and sewing. This would overcome the environmental problems of glue and the aesthetic and efficiency issues of sewing, enhancing the suitcase's environmental friendliness, aesthetics, and manufacturing efficiency. This is the problem this project aims to solve. Utility Model Content

[0003] To overcome the shortcomings of the prior art, this utility model discloses a suitcase with a ratchet-connected opening frame, including an upper shell, a lower shell, an opening frame, a main zipper, a lining zipper, and a lining. The opening frame is formed by bending a clamping strip with a reciprocating folded cross-section. The clamping strip has an outer layer, a middle layer, and an inner layer connected in sequence. A first clamping opening is formed between the outer layer and the middle layer. Several ratchet teeth are provided on the inner side of the outer layer, and several tooth grooves are provided on the outer side of the openings of the upper shell and the lower shell. This invention places two stacked and hinged frame pieces between the upper and lower case shells. The openings of the upper and lower case shells can be inserted into the first clamping openings of the two frame pieces, and the ratchet teeth on the two frame pieces can be correspondingly inserted into the tooth grooves of the openings of the upper or lower case shells. By using the interlocking of the ratchet teeth and tooth grooves for locking, the upper and lower case shells can be firmly connected to the two frame pieces without the need for glue bonding and sewing, thereby enhancing the environmental friendliness, aesthetics, and manufacturing efficiency of the suitcase.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0005] A suitcase with a ratchet-connected mouth frame, characterized in that: it includes an upper shell, a lower shell, and a mouth frame, wherein both the upper and lower shells are open cavities, and each of the upper and lower shells has several toothed grooves on the outer side of its opening. The openings of the upper and lower shells are arranged opposite each other. The mouth frame is formed by bending an integrally molded clamping strip, which is a strip-shaped component with a reciprocating folded cross-section. It has an outer layer, a middle layer, and an inner layer connected in sequence, forming a first clamping opening between the outer layer and the middle layer. Several ratchet teeth are provided on the side of the outer layer facing the first clamping opening. The mouth frame consists of two pieces, which are stacked symmetrically and hinged to each other. The two mouth frames are placed between the upper and lower shells. The openings of the upper and lower shells can be respectively inserted into the first clamping openings of the two mouth frames, and the ratchet teeth on the two mouth frames can be correspondingly inserted into the toothed grooves of the openings of the upper or lower shells for engagement.

[0006] The first clamping opening is a flat groove, and the ratchet on the outer layer is a hook shape that protrudes outward with the tip pointing to the bottom of the first clamping opening. The tooth grooves of the upper and lower housings match the ratchet of the opening frame.

[0007] A second clamping opening is provided between the middle layer sheet and the inner layer sheet, and a third clamping opening is provided on the side of the inner layer sheet away from the second clamping opening. The opening direction of the second clamping opening is opposite to that of the first clamping opening, and the opening direction of the third clamping opening is perpendicular to that of the second clamping opening. The opening directions of the second clamping openings of the two frames are facing each other.

[0008] The outer layer of the clamping strip is elastic. Under lateral external force, the outer layer can be elastically deformed to make the opening of the first clamping port elastically open, and the outer layer can return to its original shape after the lateral external force is released.

[0009] The ends of the second clamping port and the third clamping port are respectively provided with square cavities.

[0010] The suitcase with a ratchet-connected frame further includes a main zipper and a liner chain. Both sides of the main zipper and the liner chain are provided with toothed chain straps. Each side of the chain strap of the main zipper is provided with a flexible sleeve and a limiting rod that can be inserted into the sleeve. The sleeves and limiting rods on both sides of the main zipper can be placed in the square cavities at the second clamping opening ends of the two-piece frame. There are two liner chains. Each side of the chain strap of the two liner chains is provided with a flexible sleeve and a limiting rod that can be inserted into the sleeve. The sleeves and limiting rods of the two liner chains can be placed in the square cavities at the third clamping opening ends of their respective frames.

[0011] The suitcase with a ratchet-connected frame also includes a lining, which consists of an upper lining and a lower lining, and the upper and lower linings are respectively sewn to the chain straps on the other side of the two linings.

[0012] Both the sleeve and the limiting rod extend along the length of the clamping strip. The limiting rod is a plastic or aluminum rod with a square cross-section and is flexible. The sleeve is a flexible cloth sleeve that can be sewn to or integrally formed with the chain strap of the ligature.

[0013] A hinge is provided on the same side between the two frames, and the upper and lower shells connected to the frames can be rotated around the hinge.

[0014] Furthermore, the suitcase with a ratchet connecting frame also includes a latch, casters, a handle, and a telescopic rod connected to the upper and / or lower shells.

[0015] As described above, the advantages of the luggage with a ratchet-connected frame provided by this utility model are as follows: the clamping strip of the frame used to connect the upper and lower shells is designed with a reciprocating folded cross-section. The clamping strip has an outer layer, a middle layer, and an inner layer connected in sequence, forming a first clamping opening between the outer and middle layers. Several ratchet teeth are provided on the inner side of the outer layer, and several tooth grooves are provided on the outer side of the openings of the upper and lower shells. The two frames, stacked and hinged, are placed between the upper and lower shells. The openings of the upper and lower shells can be inserted into the first clamping openings of the two frames, and the ratchet teeth on the two frames can be correspondingly inserted into the tooth grooves of the openings of the upper or lower shells. By using the interlocking of the ratchet teeth and tooth grooves for locking, the upper and lower shells can be firmly connected to the two frames without the need for glue bonding or sewing, thereby enhancing the luggage's environmental friendliness, aesthetics, and manufacturing efficiency. This utility model has a reasonable design, simple structure, low cost, and is easy to promote. Attached Figure Description

[0016] Figure 1 This is a general schematic diagram of a suitcase with a ratchet connecting frame according to the present invention;

[0017] Figure 2 This is an enlarged cross-sectional view of the clamping strip used for bending the frame;

[0018] Figure 3 for Figure 2 Enlarged diagram of part A in the diagram;

[0019] Figure 4 This is an enlarged schematic diagram of the upper or lower housing.

[0020] Figure 5 for Figure 4 Enlarged schematic diagram of part B in the diagram.

[0021] Figure label:

[0022] 1. Upper case shell; 11. Toothed groove; 2. Lower case shell; 3. Opening frame; 31. Outer layer; 311. Ratchet; 32. Middle layer; 33. Inner layer; 301. First clamping opening; 302. Second clamping opening; 303. Third clamping opening; 4. Main zipper; 5. Lining zipper; 6. Lining fabric. Detailed Implementation

[0023] The present invention will be further described below through specific embodiments.

[0024] like Figure 1 As shown, the suitcase with a ratchet-connected frame of this utility model includes an upper shell 1, a lower shell 2, a frame 3, a main zipper 4, a lining zipper 5, and a lining 6; it also includes a lock, casters, a handle, and a telescopic rod connected to the upper shell 1 and / or the lower shell 2, which are not shown in the figure.

[0025] like Figure 1 , Figure 4 and Figure 5 As shown, the upper shell 1 and the lower shell 2 of this utility model are both open cavities. Several toothed grooves 11 are provided on the outer side of the opening of the upper shell 1 and the lower shell 2 respectively. The openings of the upper shell 1 and the lower shell 2 are arranged opposite each other.

[0026] like Figures 1 to 5As shown, the mouth frame 3 of this utility model is formed by bending an integrally molded clamping strip. The clamping strip is a strip-shaped component with a reciprocating folded cross-section. It has an outer layer 31, a middle layer 32, and an inner layer 33 connected in sequence. A first clamping opening 301 is formed between the outer layer 31 and the middle layer 32. The first clamping opening 301 is a flat groove. Several ratchet teeth 311 are provided on the side of the outer layer 31 facing the first clamping opening 301. The ratchet teeth 311 on the outer layer 31 are outwardly protruding hooks with the tips pointing to the bottom of the first clamping opening 301. The tooth grooves 11 of the upper shell 1 and the lower shell 2 match the ratchet teeth 311 of the mouth frame 3. The outer layer 31 of the clamping strip is elastic. Under lateral external force, the outer layer 31 can elastically deform to make the opening of the first clamping opening 301 elastically open. After the lateral external force is released, the outer layer 31 can return to its original shape. The mouth frame 3 consists of two pieces, which are stacked symmetrically and hinged together. The two mouth frames 3 are positioned between the upper shell 1 and the lower shell 2, and a hinge is provided on the same side of the two mouth frames 3. The upper shell 1 and the lower shell 2 connected to the mouth frames 3 can be rotated around the hinge. The openings of the upper shell 1 and the lower shell 2 can be respectively inserted into the first clamping openings 301 of the two mouth frames 3, and the ratchet teeth 311 on the two mouth frames 3 can be correspondingly inserted into the tooth grooves 11 of the openings of the upper shell 1 or the lower shell 2 for engagement. The process of inserting the openings of the upper shell 1 and the lower shell 2 into the first clamping opening 301 needs to be carried out after the clamping strip is bent into a U-shaped frame 3. When inserting the opening of the upper shell 1 or the lower shell 2, the outer layer 31 on the corresponding frame 3 needs to be moved to make the opening of the corresponding first clamping opening 301 open elastically, insert the opening of the upper shell 1 or the lower shell 2 into their respective first clamping openings 301, and make the ratchet 311 on the two frames 3 correspondingly inserted into the tooth groove 11 of the opening of the upper shell 1 or the lower shell 2, and then make the outer layer 31 return to its original state.

[0027] like Figures 1 to 3 As shown, a second clamping opening 302 is provided between the middle layer sheet 32 ​​and the inner layer sheet 33 of this utility model, and a third clamping opening 303 is provided on the side of the inner layer sheet 33 away from the second clamping opening 302. The opening direction of the second clamping opening 302 is opposite to that of the first clamping opening 301, and the opening direction of the third clamping opening 303 is perpendicular to that of the second clamping opening 302. The opening directions of the second clamping openings 302 of the two frame pieces 3 are facing each other, and square cavities are respectively provided at the ends of the second clamping opening 302 and the third clamping opening 303.

[0028] like Figures 1 to 3As shown, both sides of the main zipper 4 and the liner 5 of this utility model are provided with toothed chain straps. Each side of the chain strap of the main zipper 4 is provided with a flexible sleeve and a limiting rod that can be inserted into the sleeve. The sleeves and limiting rods on both sides of the main zipper 4 can be placed in the square cavities at the ends of the second clamping openings 302 of the two-piece frame 3. There are two liner 5s, each with a flexible sleeve and a limiting rod that can be inserted into the sleeve on one side of its chain strap. The sleeves and limiting rods of the two liner 5s can be placed in the square cavities at the ends of the third clamping openings 303 of their respective frames 3. Both the sleeves and limiting rods extend along the length of the clamping strip. The limiting rod is a square-shaped, bendable plastic or aluminum rod, and the sleeve is a flexible fabric sleeve that can be sewn to or integrally formed with the liner chain strap. The installation of the main zipper 4 and the lining zipper 5 needs to be carried out before the clamping strip is bent into a U-shaped frame 3. Before installation, insert the sleeves with limit rods of the main zipper 4 and the two lining zippers 5 into the square cavities at the ends of the corresponding second clamping openings 302 and third clamping openings 303 on the clamping strip, respectively. Then, bend the clamping strip and form a U-shaped frame 3. The lining 6 includes an upper lining and a lower lining, which are sewn to the chain straps on the other side of each of the two lining zippers 5.

[0029] The present invention designs the clamping bar of the frame 3 used to connect the upper shell 1 and the lower shell 2 as having a reciprocating folded cross section. The clamping bar is provided with an outer layer 31, a middle layer 32 and an inner layer 33 connected in sequence. A first clamping opening 301 is formed between the outer layer 31 and the middle layer 32. Several ratchet teeth 311 are provided on the inner side of the outer layer 31, and several tooth grooves 11 are provided on the outer side of the opening of the upper shell 1 and the lower shell 2 respectively. Two hinged frame pieces 3, stacked vertically, are placed between the upper shell 1 and the lower shell 2. The openings of the upper shell 1 and the lower shell 2 can be inserted into the first clamping openings 301 of the two frame pieces 3, and the ratchet teeth 311 on the two frame pieces 3 can be correspondingly inserted into the tooth grooves 11 of the openings of the upper shell 1 or the lower shell 2. By interlocking the ratchet teeth 311 and the tooth grooves 11, the upper shell 1 and the lower shell 2 can be firmly connected to the two frame pieces 3 without the need for glue bonding and sewing, thereby enhancing the environmental friendliness, aesthetics and manufacturing efficiency of the suitcase.

[0030] The above is only one specific embodiment of the present utility model, but the design concept of the present utility model is not limited thereto. Any non-substantial modifications made to the present utility model using this concept shall be deemed as an infringement of the protection scope of the present utility model.

Claims

1. A suitcase with a ratchet-connected mouth frame, characterized in that: The device includes an upper shell (1), a lower shell (2), and a mouth frame (3). Both the upper shell (1) and the lower shell (2) are open cavities. Several toothed grooves (11) are provided on the outer side of the mouth of the upper shell (1) and the lower shell (2). The openings of the upper shell (1) and the lower shell (2) are arranged opposite each other. The mouth frame (3) is formed by bending a clamping strip integrally. The clamping strip is a strip-shaped component with a reciprocating folded cross section. It has an outer layer (31), a middle layer (32), and an inner layer (33) connected in sequence. Between the outer layer (31) and the middle layer (32) A first clamping opening (301) is formed. Several ratchet teeth (311) are provided on the side of the outer layer (31) facing the first clamping opening (301). The mouth frame (3) is set as two pieces. The two mouth frames (3) are stacked symmetrically on top of each other and hinged to each other. The two mouth frames (3) are placed between the upper box shell (1) and the lower box shell (2). The openings of the upper box shell (1) and the lower box shell (2) can be respectively embedded into the first clamping opening (301) of the two mouth frames (3), and the ratchet teeth (311) on the two mouth frames (3) can be correspondingly embedded into the tooth grooves (11) of the openings of the upper box shell (1) or the lower box shell (2).

2. The suitcase with a ratchet-connected frame according to claim 1, characterized in that: The first clamping opening (301) is a flat groove, and the ratchet (311) on the outer layer (31) is a hook shape that protrudes outward and the tip of the tooth points to the bottom of the first clamping opening (301). The tooth groove (11) of the upper shell (1) and the lower shell (2) matches the ratchet (311) of the mouth frame (3).

3. A suitcase with a ratchet-connected frame according to claim 2, characterized in that: A second clamping opening (302) is provided between the middle layer sheet (32) and the inner layer sheet (33). A third clamping opening (303) is provided on the side of the inner layer sheet (33) away from the second clamping opening (302). The opening direction of the second clamping opening (302) is opposite to that of the first clamping opening (301). The opening direction of the third clamping opening (303) is perpendicular to that of the second clamping opening (302). The opening directions of the second clamping openings (302) of the two frame pieces (3) are opposite to each other.

4. A suitcase with a ratchet-connected frame according to claim 3, characterized in that: The outer layer (31) of the clamping strip is elastic.

5. A suitcase with a ratchet-connected frame according to claim 4, characterized in that: The ends of the second clamping port (302) and the third clamping port (303) are respectively provided with square cavities.

6. A suitcase with a ratchet-connected frame according to claim 5, characterized in that: It also includes a main zipper (4) and a zipper chain (5). Each of the two sides of the main zipper chain (4) is provided with a flexible sleeve and a limiting rod that can be inserted into the sleeve. The sleeves and limiting rods on both sides of the main zipper chain (4) can be placed in the square cavity at the end of the second clamping port (302) of the two-piece frame (3). There are two zipper chains (5). Each of the two zipper chains (5) is provided with a flexible sleeve and a limiting rod that can be inserted into the sleeve on one side of the chain. The sleeves and limiting rods of the two zipper chains (5) can be placed in the square cavity at the end of the third clamping port (303) of their respective frames (3).

7. A suitcase with a ratchet-connected frame according to claim 6, characterized in that: It also includes a lining (6), which consists of an upper lining and a lower lining, and the upper and lower linings are respectively sewn to the chain straps on the other side of the two linings (5).

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