A luggage opening sewing type frame strip and a high-strength connecting frame body structure

Abstract

The utility model relates to a luggage opening sewing type frame strip and high-strength connecting frame structure, belong to the field of luggage accessories, including hard glue spare, first soft glue spare and second soft glue spare, the hard glue spare is set up and opens the bag clamping notch with the opening towards the luggage opening, the hard glue spare outer circle surface position corresponding bag clamping notch is set up and opens the first connecting notch, the hard glue spare inner circle surface position corresponding bag clamping notch is set up and opens the second connecting notch, the connecting frame body of luggage adopts the connecting mode of soft and hard material combination and bag clamping positioning, has the advantage that it is convenient to assemble, through setting up the connecting notch of thinning on the hard glue spare and setting up the soft glue spare with the thread positioning function in the connecting notch, guaranteeing the luggage connecting closed strength has the characteristics that can be sewn and fixed to the luggage, compared with prior art, effectively prevent the cracking phenomenon when being pressed.

Description

Technical Field

[0001] This utility model relates to a sewn frame strip for the opening of a bag and a high-strength connecting frame structure, belonging to the field of bag accessories. Background Technology

[0002] Bags and luggage are a general term for various types of bags used to carry things, including shopping bags, handbags, wallets, backpacks, and suitcases. Materials include genuine leather, PU, ​​polyester, and canvas. Existing bags with connecting frames often use adhesive to fix the connecting frame to the bag shell. When the bag opening is subjected to pressure in an inclined direction, the connection between the connecting frame and the bag shell is prone to cracking and delamination. Utility Model Content

[0003] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a sewn frame strip for the opening of a bag and a high-strength connecting frame structure. This solves the problem that in existing bags with connecting frames, the connecting frame and the bag shell are often fixed together by adhesive dots. When the bag opening is subjected to pressure in an inclined direction, the connection between the connecting frame and the bag shell is prone to cracking and delamination.

[0004] To achieve the above objectives, this utility model is implemented through the following technical solution: a sewn frame strip for a bag opening and a high-strength connecting frame structure, comprising a hard plastic component, a first soft plastic component, and a second soft plastic component. The hard plastic component has a clamping groove with an opening facing the bag opening. The outer surface of the hard plastic component has a first connecting groove at the position corresponding to the clamping groove. The inner surface of the hard plastic component has a second connecting groove at the position corresponding to the clamping groove. The first connecting groove and the second connecting groove are directly opposite each other. The first soft plastic component is filled in the first connecting groove, and the second soft plastic component is filled in the second connecting groove.

[0005] Furthermore, in order to thin the rigid plastic structure to facilitate sewing, the groove wall of the clamping slot is provided with a thinning groove, which is directly opposite the first connecting slot and the second connecting slot.

[0006] Furthermore, there are two thinning grooves, located on the upper and lower groove walls of the clamping groove opening, respectively.

[0007] Furthermore, the thickness from the bottom surface of the first connecting slot to the upper wall of the clamping slot is 0.5mm-1mm, and the thickness from the top surface of the second connecting slot to the lower wall of the clamping slot is 2mm-2.5mm.

[0008] Furthermore, to improve the stability of the connection, the first soft plastic part, the second soft plastic part, and the hard plastic part are formed by plastic co-extrusion process.

[0009] Furthermore, in order to achieve closed positioning, the rigid plastic part also has a sealing part mounting part or the rigid plastic part is integrally formed with a sealing part.

[0010] Furthermore, to improve the strength of the connection, the rigid rubber part is also provided with an inner lining mounting part that matches the inner lining of the bag.

[0011] A high-strength connecting frame structure for a bag includes a first frame, a second frame, and seams respectively connected to both sides of the bag opening. The first and second frames are formed by bending the stitched frame strips at the bag opening. The edges of the bag opening are respectively clamped and fixed to clamping grooves on the first and second frames. A sealing component is connected between the sealing mounting parts on the first and second frames to close the bag opening, or the sealing parts on the first and second frames interlock to seal the bag opening. Both the first and second frames are fixedly connected to the edges of the bag opening by seams.

[0012] Furthermore, to facilitate opening and closing the bag, the closure component is a zipper.

[0013] A high-strength connecting frame structure for a bag includes a first frame, a second frame, stitching, and a zipper, which are respectively connected to both sides of the bag opening. The first and second frames are formed by bending the stitched frame strips at the bag opening. The edges of the bag opening are respectively clamped and fixed to the clamping grooves on the first and second frames. The zipper, hard plastic parts, first soft plastic parts, and second soft plastic parts are integrally formed by insert co-extrusion process. The first and second frames are both fixedly connected to the edges of the bag opening by stitching.

[0014] The beneficial effects of this utility model are: the connecting frame of the bag adopts a combination of soft and hard materials and a clamping positioning connection method, which has the advantage of convenient assembly. By setting a connecting groove to thin it on the hard plastic part and setting a soft plastic part with a sewing positioning function in the connecting groove, the sealing strength of the bag connection is guaranteed, while also having the feature of being sewn and fixed to the bag. Compared with the prior art, it effectively prevents cracking under pressure. Attached Figure Description

[0015] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings: Figure 1 This is a schematic diagram of the three-dimensional connection structure between the bag and the high-strength connecting frame structure in Example 2; Figure 2 This is a schematic diagram of the connection structure between the bag and the high-strength connecting frame in Example 2; Figure 3 for Figure 2 A schematic diagram of a partial cross-sectional structure of AA; Figure 4 for Figure 3 Detailed structural diagram; Figure 5 This is a three-dimensional structural diagram of the connection between the bag and the high-strength connecting frame structure in Example 1; Figure 6 This is a schematic diagram of the connection structure between the bag and the high-strength connecting frame in Example 1; Figure 7 for Figure 6 A schematic diagram of a partial cross-sectional structure of AA; Figure 8 for Figure 7 Detailed structural diagram; Figure 9 This is a detailed cross-sectional structural diagram of the high-strength connecting frame structure in Example 4; Figure 10 This is a schematic diagram of the cross-sectional structure of the glued frame of a bag in the prior art.

[0016] In the diagram: First frame-1, Second frame-2, Enclosure component-3, Bag-4, Hard plastic part-11, Clamping groove-12, First connecting groove-13a, Second connecting groove-13b, First soft plastic part-14, Second soft plastic part-15, Thinning groove-16, Stitch-17, Sealing protrusion-31, Sealing groove-32, Extrusion strip-34, Inner mounting part-111. Detailed Implementation

[0017] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments. Example 1

[0018] Please see Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 This utility model provides a technical solution for a stitched frame strip for a bag opening and a high-strength connecting frame structure: it includes a hard plastic part 11, a first soft plastic part 14, and a second soft plastic part 15. The hard plastic part 11 has a clamping groove 12 with its opening facing the bag opening. The outer surface of the hard plastic part 11 has a first connecting groove 13a at the position corresponding to the clamping groove 12, and the inner surface of the hard plastic part has a second connecting groove 13b at the position corresponding to the clamping groove 12. The first connecting groove 13a and the second connecting groove 13b are directly opposite each other. The first soft plastic part 14 is filled in the first connecting groove 13a, and the second soft plastic part 15 is filled in the second connecting groove 13b.

[0019] The first soft rubber part 14 fills the first connecting groove 13a to improve the connection strength between the first soft rubber part 14 and the hard rubber part 11. The second soft rubber part 15 fills the upper part of the second connecting groove 13b so that a wire take-up opening is formed between the bottom surface of the second soft rubber part 15 and the opening of the second connecting groove 13b.

[0020] In order to thin the structure of the rigid plastic part 11 to facilitate sewing and hole making, the wall of the clamping slot 12 is provided with a thinning groove 16. The thinning groove 16 is directly opposite to the first connecting slot 13a and the second connecting slot 13b. There are two thinning grooves 16, which are located on the upper and lower slot walls of the clamping slot 12 respectively. The thickness from the bottom surface of the first connecting slot 13a to the upper slot wall of the clamping slot 12 is 0.5mm-1mm, and the thickness from the top surface of the second connecting slot 13b to the lower slot wall of the clamping slot 12 is 2mm-2.5mm.

[0021] To facilitate sewing, both the first soft rubber part 14 and the second soft rubber part 15 are made of TPE soft rubber material.

[0022] To achieve excellent mechanical properties, the rigid plastic part 11 is made of ABS rigid plastic material.

[0023] To improve the stability of the connection, the first soft rubber part 14, the second soft rubber part 15 and the hard rubber part 11 are formed by plastic co-extrusion process.

[0024] To improve the firmness of the connection with the bag, the rigid plastic part 11 is also provided with an inner lining mounting part 111 that matches the inner lining of the bag.

[0025] For closed positioning, the rigid plastic part 11 also has a closure mounting part.

[0026] A high-strength connecting frame structure for a bag includes a first frame 1, a second frame 2, and a seam 17 respectively connected to both sides of the bag opening. The first frame 1 and the second frame 2 are formed by bending the stitched frame strips at the bag opening. The edges of the bag opening are respectively clamped and fixed to the clamping grooves 12 on the first frame 1 and the clamping grooves 12 on the second frame 2. A sealing component 3 for closing the bag opening is connected between the sealing component mounting part on the first frame 1 and the sealing component mounting part on the second frame 2. Both the first frame 1 and the second frame 2 are fixedly connected to the edges of the bag opening by the seam 17.

[0027] To facilitate opening and closing of the bag, the closure component 3 is a zipper.

[0028] During sewing, the thread 17 passes sequentially through the first soft rubber part 14, the upper part of the hard rubber part 11, the thinning groove 16 above the inner wall of the clamping slot 12, the edge of the opening of the bag 4, the thinning groove 16 below the inner wall of the clamping slot 12, the lower part of the hard rubber part 11, and the second soft rubber part 15. The combination of the first soft rubber part 14 and the upper part of the hard rubber part 11, as well as the lower part of the hard rubber part 11 and the second soft rubber part 15, forms a soft-hard mixed layer that is easy to sew.

[0029] However, this utility model is not limited to this. After sewing, the clamping groove 12 of the hard plastic part 11 can still be connected to the edge of the opening of the bag 4 using the glue application process, so as to achieve a double fixed connection of sewing and glue application.

[0030] To facilitate the fabrication and thinning of the stitching holes, both the first soft rubber part 14 and the second soft rubber part 15 have concave surfaces at the ends away from the clamping groove 12. Example 2

[0031] For the sake of brevity, the parts that are the same as those in other embodiments will not be described again. The description will mainly focus on structures that differ from other embodiments of this utility model, such as... Figure 1 , 2 As shown in Figures 3 and 4, in order to be applied to the lockable bag 4, the sealing component 3 is omitted. The sealing part on the first frame 1 and the sealing part on the second frame 2 are interlocked to seal the opening of the bag. One sealing part is connected to one of the rigid plastic parts 11 to form a sealing protrusion 31, and the other sealing part is connected to another rigid plastic part 11 to form a sealing groove 32. It also includes a latch installed on the outer wall of the opening of the bag. The sealing protrusion 31 and the sealing groove 32 are tightly fitted to seal the opening of the bag. The latch controls the opening and closing of the opening of the bag. The latch is a prior art technology and is a type of Bluetooth electronic lock or sealing lock. When working, after the sealing protrusion 31 and the sealing groove 32 are aligned, the opening of the bag is in a sealed state, and the latch can be operated to lock and close the opening of the bag. Example 3

[0032] For the sake of brevity, the parts that are the same as those in other embodiments will not be described again. The description will mainly focus on structures that differ from other embodiments of this utility model, such as... Figure 8As shown, for application in zippered bags 4, a high-strength connecting frame structure for bags includes a first frame 1, a second frame 2, a stitch 17, and a zipper respectively connected to both sides of the bag opening. The first frame 1 and the second frame 2 are formed by bending the stitched frame strip at the bag opening. The edges of the bag opening are respectively clamped and fixed to the clamping grooves 12 on the first frame 1 and the second frame 2. The zipper, hard plastic part 11, first soft plastic part 14, and second soft plastic part 15 are formed into one piece by an insert co-extrusion process. The first frame 1 and the second frame 2 are both fixedly connected to the edges of the bag opening by the stitch 17. Example 4

[0033] For the sake of brevity, the parts that are the same as those in other embodiments will not be described again. The description will mainly focus on structures that differ from other embodiments of this utility model, such as... Figure 9 As shown, in order to be applied to zipper-type bags 4, the closure mounting parts of the first frame 1 and the second frame 2 are each provided with an extrusion strip 34, and the zipper is simultaneously mounted on the two extrusion strips 34.

[0034] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0035] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A sewn frame strip for the opening of a bag, characterized in that: The package includes a hard plastic part (11), a first soft plastic part (14), and a second soft plastic part (15). The hard plastic part (11) has a clamping groove (12) with an opening facing the opening of the bag. The outer surface of the hard plastic part (11) has a first connecting groove (13a) at the position corresponding to the clamping groove (12). The inner surface of the hard plastic part has a second connecting groove (13b) at the position corresponding to the clamping groove (12). The first connecting groove (13a) and the second connecting groove (13b) are directly opposite each other. The first soft plastic part (14) is filled in the first connecting groove (13a), and the second soft plastic part (15) is filled in the second connecting groove (13b).

2. The sewn frame strip for bag openings according to claim 1, characterized in that: The wall of the clamping slot (12) is provided with a thinning groove (16), which is directly opposite the first connecting slot (13a) and the second connecting slot (13b).

3. The sewn frame strip for bag openings according to claim 2, characterized in that: Two thinning grooves (16) are provided, located on the upper and lower groove walls of the clamping groove (12), respectively.

4. The sewn frame strip for bag openings according to claim 1, characterized in that: The thickness from the bottom surface of the first connecting slot (13a) to the upper wall of the clamping slot (12) is 0.5mm-1mm, and the thickness from the top surface of the second connecting slot (13b) to the lower wall of the clamping slot (12) is 2mm-2.5mm.

5. The sewn frame strip for bag openings according to claim 1, characterized in that: The first soft plastic part (14), the second soft plastic part (15), and the hard plastic part (11) are formed by plastic co-extrusion process.

6. The sewn frame strip for bag openings according to any one of claims 1 to 5, characterized in that: The rigid plastic part (11) also has a sealing part mounting part or the rigid plastic part (11) is integrally formed with a sealing part.

7. The sewn frame strip for bag openings according to claim 6, characterized in that: The rigid plastic part (11) is also provided with an inner lining installation part (111) that cooperates with the inner lining of the bag.

8. A high-strength connecting frame structure for a bag, comprising a first frame (1), a second frame (2), and a seam (17) respectively connected to both sides of the bag opening, characterized in that: The first frame (1) and the second frame (2) are formed by bending the bag opening sewn frame strip as described in claim 6 or 7. The edges of the bag opening are respectively clamped and fixed to the clamping groove (12) on the first frame (1) and the clamping groove (12) on the second frame (2). A closing component (3) for closing the bag opening is connected between the closing part on the first frame (1) and the closing part on the second frame (2), or the closing part on the first frame (1) and the closing part on the second frame (2) are interlocked to seal the bag opening. The first frame (1) and the second frame (2) are both fixedly connected to the edge of the bag opening by a stitch (17).

9. The high-strength connecting frame structure for bags and luggage according to claim 8, characterized in that: The closure component (3) is a zipper.

10. A high-strength connecting frame structure for a bag, comprising a first frame (1), a second frame (2), a seam (17), and a zipper respectively connected to both sides of the bag opening, characterized in that: The first frame (1) and the second frame (2) are formed by bending the bag opening sewn frame strip as described in any one of claims 1 to 4. The edges of the bag opening are respectively clamped and fixed to the clamping groove (12) on the first frame (1) and the clamping groove (12) on the second frame (2). The zipper, hard plastic part (11), first soft plastic part (14) and second soft plastic part (15) are formed into one piece by insert co-extrusion process. The first frame (1) and the second frame (2) are both fixedly connected to the edge of the bag opening by stitch (17).

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