Box body structure and draw-bar box

Abstract

The utility model relates to a box body structure and a draw-bar box. The box body structure comprises a front cover and a rear cover, one side of the front cover is rotatably connected to the rear cover, and the other side of the front cover is connected to the rear cover in an opening and closing mode. The front cover is provided with a first frame body, a first cover plate and a first clamping structure used for connecting the first frame body and the first cover plate, the first frame body is arranged on the periphery of the first cover plate in a surrounding mode, a first positioning groove is formed in the inner wall of the first frame body, and the edge of the first cover plate is clamped in the first positioning groove; the first clamping structure comprises a first clamping hook and a first buckling position which are buckled with each other, one of the first clamping hook and the first buckling position is arranged at the edge of the first cover plate, and the other one is arranged at the first positioning groove. According to the box body structure, the clamping structure is arranged, so that the frame body and the cover plate can be simply buckled and assembled to form the front cover, the assembly process is simple, and the stability is good.

Description

Technical Field

[0001] This utility model relates to the field of luggage technology, and in particular to a luggage structure and a trolley case. Background Technology

[0002] As people's living standards continue to improve, travel and business trips are becoming increasingly frequent, and the demand for rolling suitcases, as an important tool for carrying belongings while traveling, is also continuously growing. At the same time, consumers are placing increasingly higher demands on the performance, quality, functionality, and design of rolling suitcases. Aluminum alloy, with its high strength, light weight, and corrosion resistance, has become an ideal material for making rolling suitcase bodies.

[0003] Common rolling suitcases typically have a top and bottom lid structure. The top and bottom lids are usually fixed to the panel by welding, riveting, or bolting. However, these processes are complex and affect the aesthetics. Some top and bottom lids are formed by directly pressing the alloy frame and panel together. Although this method can quickly achieve the combination of frame and lid and has a relatively smooth appearance, it may result in weak bonding or local deformation. This leads to lower stability of the top and bottom lids after forming, which seriously affects the service life of the rolling suitcase. Utility Model Content

[0004] Based on this, the purpose of this utility model is to provide a box structure that, by setting a snap-fit ​​structure, allows the frame and cover to be easily snapped together to form a front cover. The assembly process is simple and has good stability.

[0005] Another objective of this utility model is to provide a trolley case with a case body structure assembled by a snap-fit ​​structure, which simplifies the assembly process; at the same time, it is equipped with a modular trolley structure, which can be flexibly connected to any position on the back cover, thereby achieving product diversification.

[0006] The present invention provides a box structure, comprising:

[0007] A front cover and a rear cover, wherein one side of the front cover is rotatably connected to the rear cover, and the other side is detachably connected to the rear cover;

[0008] The front cover is provided with a first frame, a first cover plate, and a first snap-fit ​​structure for connecting the first frame and the first cover plate. The first frame surrounds the outer periphery of the first cover plate, and its inner wall is provided with a first positioning groove. The edge of the first cover plate is snapped into the first positioning groove. The first snap-fit ​​structure includes a first hook and a first latch that engage with each other, one of which is provided at the edge of the first cover plate and the other is provided at the first positioning groove.

[0009] Furthermore, the first hook is a spring-loaded hook integrally formed with the first cover plate, and is spaced apart along the edge of the first cover plate.

[0010] Furthermore, the front cover is also provided with a first retaining strip, which is clamped between the inner wall of the first positioning groove and the first cover plate.

[0011] Furthermore, the first frame is also provided with a second positioning groove; the groove opening direction of the second positioning groove is opposite to the groove opening direction of the first positioning groove, and its inner wall has a first clamping part and a second clamping part that are relatively protruding, dividing the second positioning groove into a connected fixing cavity and a plugging cavity.

[0012] The front cover is also provided with a second retaining strip; one end of the second retaining strip is provided with a fixing part, which is embedded in the fixing cavity; the other end of the second retaining strip is provided with an abutting part connected to the fixing part, and the abutting part protrudes from the insertion cavity and abuts against the rear cover.

[0013] Furthermore, the rear cover includes a frame structure, a second cover plate, and a second snap-fit ​​structure for connecting the frame structure and the second cover plate; the frame structure is provided with a third positioning groove at one end away from the front cover, and the edge of the second cover plate is snapped into the third positioning groove;

[0014] The second snap-fit ​​structure includes a second snap hook and a second snap position that engage with each other, one of which is located on the edge of the second cover plate and the other is located in the third positioning groove.

[0015] Furthermore, the second hook is integrally formed with the second cover plate and is spaced apart along the edge of the second cover plate.

[0016] Furthermore, the frame structure includes a second frame and a third frame, the second frame abutting against the first frame; the third frame is located at the end of the frame structure away from the first frame, and the third positioning groove is located on the inner wall of the third frame.

[0017] Furthermore, the end faces of the first frame and the second frame that abut against each other are respectively provided with mutually cooperating protrusions and grooves.

[0018] The box structure also includes:

[0019] The locking structure includes a latch, a lock box, and a combination lock. The latch is fixed to the first frame, the lock box is fixed to the rear cover and has a lock hole, and the first latch is inserted into the lock hole to lock the front cover and the rear cover; the combination lock is located in the lock box.

[0020] This utility model provides a trolley case, comprising:

[0021] The box structure described in this utility model;

[0022] A pull rod structure is telescopically connected to the housing structure.

[0023] The beneficial effects of this utility model are as follows:

[0024] (1) The first cover plate is fixed to the first frame through the first snap-fit ​​structure to form a stable front cover; the second cover plate is fixed to the third frame through the second snap-fit ​​structure, which greatly simplifies the assembly process of the box structure and improves the stability of the box structure.

[0025] (2) The first cover plate and the second cover plate are provided with an integrally formed hook, which reduces the processing steps and saves mold costs;

[0026] (3) The structure of the front cover is simplified by simultaneously setting the first positioning groove and the second positioning groove on the first frame to fix the first cover plate and the second locking strip;

[0027] (4) By setting up a modular pull rod structure, it can be flexibly connected to any position of the back cover to achieve product diversification.

[0028] To better understand and implement this invention, the following detailed description is provided in conjunction with the accompanying drawings. Attached Figure Description

[0029] Figure 1 An exploded view of the front cover provided in an embodiment of this application;

[0030] Figure 2 This is a cross-sectional schematic diagram of the first frame provided in an embodiment of this application;

[0031] Figure 3 This is a schematic diagram of the front cover assembly.

[0032] Figure 4 This is a schematic diagram of the assembly of the front cover and the back cover;

[0033] Figure 5 A cross-sectional view of a suitcase provided in an embodiment of this application;

[0034] Figure 6 for Figure 5 A magnified view of a portion of the image;

[0035] Figure 7 This is one implementation method for the rolling suitcase;

[0036] Figure 8 This is the second implementation method for the rolling suitcase;

[0037] Figure 9 This is the third implementation method for the rolling suitcase.

[0038] In the diagram: 100 - Box structure; 10 - Front cover; 11 - First frame; 111 - First positioning groove; 112 - Second positioning groove; 1121 - Fixing cavity; 1122 - Insertion cavity; 1123 - First clamping part; 1124 - Second clamping part; 113 - Protruding tooth; 12 - First cover plate; 13 - First locking strip; 14 - Second locking strip; 141 - Fixing part; 142 - Abutting part; 15 - First locking structure; 151 - First hook; 152 - First fastening position; 20 - Rear cover; 21 - Frame Structure; 211-Second frame; 2111-Groove; 212-Fourth frame; 213-Third frame; 2131-Third positioning groove; 214-Connecting plate; 22-Second cover plate; 23-Second snap-fit ​​structure; 231-Second hook; 232-Second latch; 24-Third locking strip; 30-Locking structure; 31-Lock; 32-Locking box; 40-Hinge assembly; 300-Pull rod structure; 301-Pull rod fixing seat; 302-Telescopic rod; 303-Handle; 400-Roller assembly. Detailed Implementation

[0039] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0040] In the description of this utility model, it should be noted that the terms "vertical direction," "up," "down," and "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0041] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or a connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0042] Please see Figure 1-6This application provides a box structure, including a front cover 10 and a rear cover 20. One side of the front cover 10 is rotatably connected to the rear cover 20, and the other side is detachably connected to the rear cover 20, and can be fastened with the rear cover 20 to form a sealed box.

[0043] Please see Figure 1-3 Specifically, the front cover 10 is provided with a first frame 11, a first cover plate 12, and a first snap-fit ​​structure 15 for connecting the first frame 11 and the first cover plate 12. The first frame 11 surrounds the outer periphery of the first cover plate 12, and its inner wall is provided with a first positioning groove 111. The edge of the first cover plate 12 is snapped into the first positioning groove 111. The first snap-fit ​​structure 15 includes a first hook 151 and a first latch 152 that engage with each other. One hook is provided at the edge of the first cover plate 12, and the other is provided in the first positioning groove 111. The first hook 151 abuts against the first latch 152 to prevent the first cover plate 12 from shifting, so that the first cover plate 12 is fixedly snapped into the first frame 11.

[0044] Furthermore, in some embodiments, the first latch 152 is located at the opening of the first positioning groove 111; the first hook 151 is a spring-loaded hook integrally formed with the first cover plate 12, spaced apart along the edge of the first cover plate 12, and protruding from one end face of the first cover plate 12. In this configuration, the first hook 151 gradually protrudes inward from the edge of the first cover plate 12, and its free end abuts against the first latch 152 to fix the first cover plate 12.

[0045] In some other embodiments, the first hook 151 is provided on the inner wall of the first positioning groove 111, and the first cover plate 12 is provided with a first fastening position 152. It can be understood that the first fastening position 152 can be a cut formed by punching. The first hook 151 is inserted into the first fastening position 152 to complete the fastening of the first cover plate 12 and the first frame 11.

[0046] Please see Figure 1-3 Furthermore, in some embodiments, the front cover 10 is also provided with a first retaining strip 13, which is clamped between the inner wall of the first positioning groove 111 and the first cover plate 12, so that the first cover plate 12 is stably embedded in the first frame 11, avoiding the first cover plate 12 from shifting relative to the first frame 11, and improving the assembly stability of the front cover 10.

[0047] Furthermore, in some embodiments, the first frame 11 is also provided with a second positioning groove 112; the groove direction of the second positioning groove 112 is opposite to the groove direction of the first positioning groove 111, and the inner wall of the second positioning groove 112 is provided with a first clamping part 1123 and a second clamping part 1124 that protrude relatively, dividing the second positioning groove 112 into a connected fixing cavity 1121 and a plugging cavity 1122. The front cover 10 is also provided with a second locking strip 14, which is locked in the second positioning groove 112; one end of the second locking strip 14 is provided with a fixing part 141, which is embedded in the fixing cavity 1121 and abuts against the first clamping part 1123 and the second clamping part 1124; the other end of the second locking strip 14 is provided with an abutting part 142 connected to the fixing part 141, and the abutting part 142 protrudes out of the plugging cavity 1122 and abuts against the rear cover 20, for sealing the box when the front cover 10 and the rear cover 20 are fastened together. Specifically, the side wall of the insertion cavity 1122 away from the rear cover 20 extends and protrudes, clamping the abutment part 142 between the side wall and the rear cover 20 to achieve a sealed connection between the front cover 10 and the rear cover 20, and at the same time, it can play a certain buffering role when the front cover 10 and the rear cover 20 are fastened together.

[0048] Please see Figure 3 and Figure 4 Furthermore, the end faces of the front cover 10 and the rear cover 20 that abut against each other are provided with interlocking protrusions 113 and grooves 2111. When the front cover 10 and the rear cover 20 are fastened together, the protrusions 113 are embedded in the grooves 2111 to achieve positioning of the front cover 10 and the rear cover 20. In this embodiment, the end face of the first frame 11 facing the rear cover 20 is provided with protrusions 113. As a preferred embodiment, the fixing cavity 1121 is provided inside the protrusions 113. As a matching part, the fixing part 141 has a shape adapted to the fixing cavity 1121. The abutting part 142 is at a certain angle to the fixing part 141 and is clamped at the edge of the groove of the first frame 11 and the groove 2111.

[0049] Please see Figure 5 and Figure 6 Furthermore, in some embodiments, the rear cover 20 includes a frame structure 21, a second cover plate 22, and a second snap-fit ​​structure 23 for connecting the frame structure 21 and the second cover plate 22; the frame structure 21 is provided with a third positioning groove 2131 at one end away from the front cover 10, and the edge of the second cover plate 22 is snapped into the third positioning groove 2131.

[0050] Furthermore, the second snap-fit ​​structure 23 includes a second snap hook 231 and a second snap position 232 that engage and abut against each other. One of them is located on the edge of the second cover plate 22, and the other is located in the third positioning groove 2131. The edge of the second cover plate 22 is fixedly snapped into the third positioning groove 2131 by the second snap-fit ​​structure 23, thereby realizing the fixed connection between the second cover plate 22 and the frame structure 21.

[0051] Furthermore, in some embodiments, the second latch 232 is disposed within the third positioning groove 2131; the second hook 231 is integrally formed with the second cover plate 22 and is spaced along the edge of the second cover plate 22, and protrudes from one end face of the second cover plate 22. In this configuration, the free end of the second hook 231 abuts against the second latch 232 to prevent the second cover plate 22 from translating in the horizontal plane.

[0052] In some other embodiments, the second latch 232 is provided on the second cover plate 22, and the second hook 231 is provided on the third positioning groove 2131. The second cover plate 22 and the third positioning groove 2131 are fixedly connected by the latching of the second latch 232 and the second hook 231. This will not be described in detail here.

[0053] Furthermore, in some embodiments, the rear cover 20 is also provided with a third retaining strip 24, which is clamped between the side wall of the second cover plate 22 and the third positioning groove 2131 to further fix the second cover plate 22.

[0054] Furthermore, in some embodiments, the frame structure 21 includes a second frame 211 and a third frame 213. The second frame 211 abuts against the front cover 10. A toothed groove 2111 is provided on the end face of the second frame 211 facing the first frame 11 and engages with the protruding tooth 113. The third frame 213 is provided at the end of the frame structure 21 away from the front cover 10, and a third positioning groove 2131 is provided on the inner wall of the third frame 213.

[0055] Furthermore, in some embodiments, the frame structure 21 further includes a fourth frame 212 and a connecting plate 214. One end of the fourth frame 212 is fixedly connected to the second frame 211, and the other end is fixedly connected to the third frame 213. The connecting plate 214 is simultaneously fixed to the second frame 211, the third frame 213, and the fourth frame 212 to further fix the frame structure 21 and improve the stability of the frame structure 21.

[0056] Please see Figure 5 Furthermore, the housing structure 100 also includes a hinge assembly 40 and a locking structure 30. One end of the front cover 10 is rotatably connected to the rear cover 20 via the hinge structure, and the other end is locked and unlocked via the locking structure 30.

[0057] Specifically, the locking structure 30 is provided with a latch 31, a lock box 32 and a combination lock. The latch 31 is fixed to the first frame 11, the lock box 32 is fixed to the rear cover 20 and is provided with a lock hole. The first latch 31 is inserted into the lock hole to lock the front cover 10 and the rear cover 20. The combination lock is located in the lock box 32.

[0058] Furthermore, in some embodiments, the front cover 10 also includes an inner support frame fixed to the inner wall of the first cover plate 12; the rear cover 20 also includes an inner frame disposed inside, which is used to increase the stability of the box structure and facilitate consumer storage, which will not be described in detail here.

[0059] Please see Figure 1-6 In this embodiment of the application, the first cover plate 12 is fixed to the first frame 11 by the first snap-fit ​​structure 15 to form a stable front cover 10; the second cover plate 22 is fixed to the third frame 213 by the second snap-fit ​​structure 23. This fixing method greatly simplifies the assembly process of the box structure 100 and improves the stability of the box structure 100.

[0060] Please see Figure 7-9 This application embodiment also provides a trolley case, including the above-mentioned case structure 100 and trolley structure 300, the trolley structure 300 being telescopically connected to the case structure 100.

[0061] Furthermore, in some embodiments, the pull rod structure 300 includes a handle 303, a telescopic rod 302, and a pull rod fixing seat 301. The rear cover 20 is provided with a cutout, and the pull rod fixing seat 301 is fixed at the cutout. One end of the telescopic rod 302 is fixed to the handle 303, and the other end is telescopically connected to the rear cover 20. In the retracted state, the handle 303 is embedded in the pull rod fixing seat 301.

[0062] Please see Figure 7 In one specific implementation, the cut is located in the fourth frame 212, and the pull rod fixing seat 301 is located at the cut and fixed to the fourth frame 212. In this configuration, the pull rod structure 300 is fixed to the middle of the box structure 100.

[0063] Please see Figure 8 In one specific implementation, the cut is located in the third frame 213, and the pull rod fixing seat 301 is located at the cut and fixed to the third frame 213. In this configuration, the pull rod structure 300 is fixed to the side of the box structure 100 near the second cover plate 22.

[0064] Please see Figure 9 In one specific implementation, a cut is made in the third frame 213 and extends through its edge. Simultaneously, a mounting hole communicating with the cut is cut into the edge of the second cover plate 22 near the cut. A pull rod fixing seat 301 is located at the cut, surrounding the cut and the mounting hole, with one end fixed to the third frame 213 and the other end fixed to the second cover plate 22. In this configuration, the pull rod structure 300 is fixed to the bottom of the rear cover 20 of the housing structure 100.

[0065] Please see Figure 7Furthermore, the suitcase also includes a roller assembly 400, which is located at the end of the rear cover 20 away from the pull rod structure 300. The roller assembly 400 is used to support the suitcase and assist in the movement of the suitcase, which will not be described in detail here.

[0066] In this embodiment, by setting a modular pull rod structure, it can be flexibly connected to any position on the back cover, thereby achieving diversification of the pull-rod case structure.

[0067] Compared with the prior art, the beneficial effects of the embodiments of this application are as follows:

[0068] (1) The first cover plate is fixed to the first frame through the first snap-fit ​​structure to form a stable front cover; the second cover plate is fixed to the third frame through the second snap-fit ​​structure, which greatly simplifies the assembly process of the box structure and improves the stability of the box structure.

[0069] (2) The first cover plate and the second cover plate are provided with an integrally formed hook, which reduces the processing steps and saves mold costs;

[0070] (3) The structure of the front cover is simplified by simultaneously setting the first positioning groove and the second positioning groove on the first frame to fix the first cover plate and the second locking strip;

[0071] (4) By setting up a modular pull rod structure, it can be flexibly connected to any position of the back cover to achieve product diversification.

[0072] The above-described embodiments are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and this utility model also intends to include these modifications and variations.

Claims

1. A box structure, characterized by, include: A front cover (10) and a rear cover (20), wherein one side of the front cover (10) is rotatably connected to the rear cover (20), and the other side is detachably connected to the rear cover (20). The front cover (10) is provided with a first frame (11), a first cover plate (12), and a first snap-fit ​​structure (15) for connecting the first frame (11) and the first cover plate (12). The first frame (11) surrounds the outer periphery of the first cover plate (12), and its inner wall is provided with a first positioning groove (111). The edge of the first cover plate (12) is snapped into the first positioning groove (111). The first snap-fit ​​structure (15) includes a first hook (151) and a first latch (152) that engage with each other. One of them is located at the edge of the first cover plate (12), and the other is located at the first positioning groove (111).

2. The box structure according to claim 1, characterized in that: The first hook (151) is an elastic arm hook integrally formed with the first cover plate (12) and is spaced along the edge of the first cover plate (12).

3. The box structure according to claim 1, characterized in that: The front cover (10) is also provided with a first retaining strip (13), which is sandwiched between the inner wall of the first positioning groove (111) and the first cover plate (12).

4. The box structure according to claim 1, characterized in that: The first frame (11) is also provided with a second positioning groove (112); the groove direction of the second positioning groove (112) is opposite to the groove direction of the first positioning groove (111), and its inner wall has a first clamping part (1123) and a second clamping part (1124) that are relatively protruding, dividing the second positioning groove (112) into a connected fixing cavity (1121) and a plugging cavity (1122). The front cover (10) is also provided with a second retaining strip (14); one end of the second retaining strip (14) is provided with a fixing part (141) which is embedded in the fixing cavity (1121); the other end of the second retaining strip (14) is provided with an abutting part (142) connected to the fixing part (141), and the abutting part (142) protrudes from the insertion cavity (1122) and abuts against the rear cover (20).

5. The box structure according to claim 1, characterized in that: The rear cover (20) includes a frame structure (21), a second cover plate (22), and a second snap-fit ​​structure (23) for connecting the frame structure (21) and the second cover plate (22); the frame structure (21) has a third positioning groove (2131) at one end away from the front cover (10), and the edge of the second cover plate (22) is snapped into the third positioning groove (2131); The second snap-fit ​​structure (23) includes a second snap hook (231) and a second snap position (232) that snap together and abut against each other, one of which is located on the edge of the second cover plate (22) and the other is located in the third positioning groove (2131).

6. A box structure according to claim 5, characterized in that: The second hook (231) is integrally formed with the second cover plate (22) and is spaced apart along the edge of the second cover plate (22).

7. A box structure according to claim 6, characterized in that: The frame structure (21) includes a second frame (211) and a third frame (213), the second frame (211) abutting against the first frame (11); the third frame (213) is located at one end of the frame structure (21) away from the first frame (11), and the third positioning groove (2131) is located on the inner wall of the third frame (213).

8. A box structure according to claim 7, characterized in that: The end faces of the first frame (11) and the second frame (211) that abut against each other are respectively provided with mutually cooperating protrusions (113) and grooves (2111).

9. The box structure of claim 1, wherein, Also includes: The locking structure (30) is provided with a buckle (31), a lock box (32) and a combination lock. The buckle (31) is fixed to the first frame (11), the lock box (32) is fixed to the rear cover (20) and is provided with a lock hole. The buckle (31) is inserted into the lock hole to lock the front cover (10) and the rear cover (20). The combination lock is located in the lock box (32).

10. A trolley case characterised by, include: The box structure (100) according to any one of claims 1-9; A pull rod structure (300) is telescopically connected to the housing structure (100).

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