Draw-bar box with telescopic hinge
By designing a retractable hinge on the trolley case, the retractable part of the hinge is retracted when the space adjustment part is adjusted, thereby solving the problem that the hinge of the existing trolley case cannot adjust the space, and realizing flexible adjustment of the box space.
Patent Information
- Application Number
- CN202422771072.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-13
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2034-11-13
AI Technical Summary
The hinges of existing trolley cases cannot adjust the space of the case, resulting in the inability to achieve space adjustment on the side of the case where the hinge is installed.
A retractable hinge is used, and the retractable part on the hinge is retracted when the space adjustment part is adjusted, so that the box space can be adjusted.
The side of the box where the hinge is installed can be adjusted to increase or decrease the utilization rate of the internal space of the box.
Smart Images

Figure CN223310787U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of luggage, in particular to a trolley case with a retractable hinge. Background Art
[0002] Trolley cases are suitcases with a handle and wheels, and are widely used for their convenience. Trolley cases also come in single-barrel or double-barrel styles, with square or round tubes, making them easier to tow while traveling and significantly reducing the burden. Trolley cases can be carried or towed, and their design incorporates portability, durability, and organization, allowing travelers to conveniently carry and protect their belongings.
[0003] Existing trolley cases generally include an upper half box and a lower half box, which are connected by a hinge. The hinge includes a central axis and two leaves rotatably connected to the central axis. This makes it impossible to adjust the box space on the side where the hinge is installed. Utility Model Content
[0004] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a trolley case with a retractable hinge, which can adjust the space of the case on the side where the hinge is installed.
[0005] According to one aspect of the present invention, a trolley case with a retractable hinge is provided, comprising:
[0006] a box body, the box body comprising a first box portion, a second box portion, and a space adjustment portion connecting the first box portion and the second box portion, the space adjustment portion being used to adjust a position of the first box portion relative to the second box portion to change a space of the box body;
[0007] The hinge includes a first fixed part, a second fixed part, and a telescopic part connecting the first fixed part and the second fixed part. The first fixed part and the second fixed part are respectively fixed to the first box part and the second box part. The telescopic part is correspondingly telescoped when the space adjustment part is adjusted.
[0008] The utility model relates to a trolley case with a telescopic hinge. The telescopic portion on the hinge is correspondingly telescoped when the space adjustment portion is adjusted, so that the space of the case can also be adjusted on the side of the case where the hinge is installed.
[0009] In some embodiments, the telescopic portion includes:
[0010] middleware;
[0011] a first telescopic member, the first telescopic member being disposed at a first end of the intermediate member and being movably connected to the first fixed portion so as to enable the first telescopic member to telescope relative to the first fixed portion;
[0012] The second telescopic member is arranged at the second end of the middle member, and the second telescopic member is movably connected to the second fixed portion so that the second telescopic member can be telescoped relative to the second fixed portion.
[0013] In some embodiments, the first fixing portion includes:
[0014] a first telescopic fitting member, the first telescopic fitting member cooperating with the first telescopic member to enable the first telescopic member to telescope relative to the first telescopic fitting member;
[0015] The second fixing portion includes:
[0016] A second telescopic fitting member cooperates with the second telescopic member to enable the second telescopic member to telescope relative to the second telescopic fitting member.
[0017] In some embodiments, the first telescopic member includes a first waist hole, the first telescopic fitting member includes a first column, and the first waist hole cooperates with the first column to enable the first column to move within the first waist hole;
[0018] The second telescopic member includes a second waist hole, the second telescopic fitting member includes a second column, and the second waist hole cooperates with the second column to enable the second column to move in the second waist hole.
[0019] In some embodiments, the first fixing portion further includes a first fixing member, the first column includes a first fixing fitting member, and the first fixing member cooperates with the first fixing fitting member to fix the first fixing portion to the first box portion;
[0020] The second fixing portion further includes a second fixing piece, the second column includes a second fixing fitting piece, and the second fixing piece cooperates with the second fixing fitting piece to fix the second fixing portion to the second box portion.
[0021] In some embodiments, the first fixing member includes a first through hole and a first connecting member, the first fixing fitting member passes through the first box portion, the first fixing fitting member includes a first matching hole, the first connecting member passes through the first through hole and matches with the first matching hole, so that the first connecting member is fixed to the first fixing fitting member;
[0022] The second fixing member includes a second through hole and a second connecting member, the second fixing fitting member passes through the second box portion, the second fixing fitting member includes a second matching hole, the second connecting member passes through the second through hole and matches with the second matching hole to fix the second connecting member to the second fixing fitting member.
[0023] In some embodiments, the space adjustment unit includes:
[0024] a connecting portion, the connecting portion being connected to the first box portion and the second box portion respectively;
[0025] a first zipper assembly, the first zipper assembly comprising a first zipper tape and a second zipper tape spaced apart at the connecting portion, and a first zipper slider connecting the first zipper tape and the second zipper tape;
[0026] When the first zipper pull engages the first zipper tape and the second zipper tape, the first box portion approaches the second box portion, and when the first zipper pull separates the first zipper tape and the second zipper tape, the first box portion moves away from the second box portion.
[0027] In some embodiments, the hinge is further provided with a zipper pull fixing portion, and the zipper pull fixing portion is used to fix the first zipper pull.
[0028] In some embodiments, the zipper pull fixing portion includes a fixing hole, and the fixing hole is used to fix the first zipper pull.
[0029] In some embodiments, the space adjustment portion further includes a second zipper assembly.
[0030] Compared with the prior art, the trolley case with a retractable hinge of the present invention can adjust the space of the case body by correspondingly retracting the retractable portion on the hinge when the space adjustment portion is adjusted, thereby enabling the side of the case body where the hinge is installed to also achieve adjustment of the case body space. BRIEF DESCRIPTION OF THE DRAWINGS
[0031] Figure 1 This is a schematic structural diagram of a trolley case according to an embodiment of the present invention when the space is increased;
[0032] Figure 2 This is a schematic structural diagram of a trolley case according to one embodiment of the present invention when the space is reduced;
[0033] Figure 3 This is a cross-sectional view of a trolley case according to one embodiment of the present invention;
[0034] Figure 4 This is a schematic structural diagram of the telescopic portion of the hinge according to one embodiment of the present invention when it is shortened;
[0035] Figure 5 This is a structural schematic diagram of the telescopic portion of the hinge according to one embodiment of the present invention when it is extended.
[0036] Description of the accompanying drawings: box body 100, first box part 110, second box part 120, space adjustment part 130, connecting part 131, first zipper assembly 132, first zipper tape 1321, second zipper tape 1322, first zipper pull head 1323, second zipper assembly 133, hinge 200, first fixing part 210, first telescopic fitting part 211, first column 2111, first fixed fitting part 21111, first fitting hole 21112, First fixing part 212, first through hole 2121, second fixing part 220, second telescopic fitting part 221, second column 2211, second fixing fitting part 22111, second fitting hole 22112, second fixing part 222, second through hole 2221, telescopic part 230, middle part 231, first telescopic part 232, first waist hole 2321, second telescopic part 233, second waist hole 2331, zipper pull head fixing part 240, fixing hole 241. DETAILED DESCRIPTION
[0037] The present invention will be further described in detail below with reference to the accompanying drawings.
[0038] According to one aspect of the present invention, Figure 1-5 The figure schematically shows a trolley case with a retractable hinge according to an embodiment of the present invention. Figure 1-5 As shown, the trolley case with a retractable hinge includes a case body 100 and a hinge 200 .
[0039] like Figure 1 and Figure 2 As shown, the box body 100 includes a first box part 110, a second box part 120 and a space adjustment part 130. The first box part 110 and the second box part 120 are parallel to each other. The first box part 110 is roughly in the shape of a rectangular parallelepiped. The side of the first box part 110 facing the second box part 120 is recessed inward to form a storage space. The storage space of the first box part 110 is used to place items. The second box part 120 is roughly in the shape of a rectangular parallelepiped. The side of the second box part 120 facing the first box part 110 is recessed inward to form a storage space. The storage space of the second box part 120 is used to place items.
[0040] like Figure 1 、 Figure 2 and Figure 4As shown, the space adjustment portion 130 connects the first box portion 110 and the second box portion 120, and the space adjustment portion 130 is used to adjust the position of the first box portion 110 relative to the second box portion 120 to change the space of the box body 100; specifically, the space adjustment portion 130 includes a connecting portion 131 and a first zipper assembly 132, and the connecting portion 131 is connected to the first box portion 110 and the second box portion 120 respectively; the first zipper assembly 132 includes a first zipper tape 1321, a second zipper tape 1322 and a first zipper pull 1323, the first zipper tape 1321 and the second zipper tape 1322 are parallel to each other, the first zipper tape 1321 is parallel to the first box portion 110 and the second box portion 120 respectively, the first zipper tape 1321 and the second zipper tape 1322 are spaced apart at the connecting portion 131, and the first zipper pull 1323 connects the first zipper tape 1321 and the second zipper tape 1322 The first zipper pull 1323 can make the teeth on the first zipper tape 1321 and the second zipper tape 1322 engage with each other, or can make the teeth on the first zipper tape 1321 and the second zipper tape 1322 separate with each other; when the first zipper pull 1323 makes the first zipper tape 1321 and the second zipper tape 1322 engage with each other, the distance between the first zipper tape 1321 and the second zipper tape 1322 is shortened, thereby making the first box part 110 close to the second box part 120, and reducing the space between the first box part 110 and the second box part 120. On the contrary, when the first zipper pull 1323 makes the first zipper tape 1321 and the second zipper tape 1322 separate with each other, the distance between the first zipper tape 1321 and the second zipper tape 1322 increases, thereby making the first box part 110 move away from the second box part 120, and increasing the space between the first box part 110 and the second box part 120.
[0041] In an optional embodiment, as Figure 1 and Figure 2 As shown, the space adjustment part 130 also includes a second zipper assembly 133. The second zipper assembly 133 has the same structural composition as the first zipper assembly 132. The difference is that the second zipper assembly 133 serves as a structure for opening or closing the box body 100. Specifically, the connecting part 131 is a telescopic layer, and the telescopic layer includes two parts (a first part and a second part). The first part is connected to the first box part 110, and the second part is connected to the second box part 120. The first part and the second part are connected by the second zipper assembly 133, and the first part and the second part are gradually separated by the second zipper assembly 133 to open the box body 100, and the first part and the second part are gradually merged by the second zipper assembly 133 to close the box body 100.
[0042] like Figure 1 、 Figure 2 、 Figure 4 and Figure 5As shown, the hinge 200 includes a first fixed portion 210, a second fixed portion 220 and a telescopic portion 230. The first fixed portion 210 and the second fixed portion 220 are fixed to the first box portion 110 and the second box portion 120 respectively. The telescopic portion 230 connects the first fixed portion 210 and the second fixed portion 220. When the space adjustment portion 130 is adjusted, the telescopic portion 220 is correspondingly telescoped. Specifically, the telescopic portion 230 includes an intermediate member 231, a first telescopic member 232 and a second telescopic member 233. The intermediate member 231 has a first end and a second end relative to each other. The first telescopic member 232 is arranged at the first end of the intermediate member 231. The first telescopic member 232 is movably connected to the first fixed portion 210 so that the first telescopic member 232 can be telescoped relative to the first fixed portion 210; the second telescopic member 233 is arranged at the second end of the intermediate member 231. The second telescopic member 233 is movably connected to the second fixed portion 220 so that the second telescopic member 233 can be telescoped relative to the second fixed portion 220.
[0043] In an optional embodiment, as Figure 4 and Figure 5 As shown, the first fixing portion 210 includes a first telescopic fitting member 211, and the first telescopic fitting member 211 cooperates with the first telescopic member 232, so that the first telescopic member 232 is telescopic relative to the first telescopic fitting member 211; the second fixing portion 220 includes a second telescopic fitting member 221, and the second telescopic fitting member 221 cooperates with the second telescopic member 233, so that the second telescopic member 233 is telescopic relative to the second telescopic fitting member 221; specifically, the first telescopic member 232 includes a first waist hole 2321, and the first telescopic fitting member 232 cooperates with the second telescopic fitting member 233, so that the second telescopic fitting member 233 is telescopic relative to the second telescopic fitting member 221. The fitting 211 includes a first column 2111, and the first waist hole 2321 cooperates with the first column 2111 to enable the first column 2111 to move in the first waist hole 2321, thereby causing the first telescopic component 232 to telescope; the second telescopic component 233 includes a second waist hole 2331, and the second telescopic fitting component 221 includes a second column 2211, and the second waist hole 2331 cooperates with the second column 2211 to enable the second column 2211 to move in the second waist hole 2331, thereby causing the second telescopic component 233 to telescope.
[0044] like Figure 3 、 Figure 4 and Figure 5As shown, the first fixing portion 210 also includes a first fixing piece 212 located in the first box portion 110, the first column 2111 includes a first fixing fitting piece 21111 that passes through the first box portion 110, and the first fixing piece 212 cooperates with the first fixing fitting piece 21111 to fix the first fixing portion 210 to the first box portion 110; the second fixing portion 220 also includes a second fixing piece 222 located in the second box portion 120, the second column 2211 includes a second fixing fitting piece 22111 that passes through the second box portion 120, and the second fixing piece 222 cooperates with the second fixing fitting piece 22111 to fix the second fixing portion 220 to the second box portion 120. Specifically, the first fixing piece 212 includes a first through hole 2121 and a first connecting piece (not shown in the figure). 1 and 2. As shown in the figure, the first fixing fitting 21111 includes a first fitting hole 21112, the first connecting member is a screw, the first fitting hole 21112 is a threaded hole, the first connecting member passes through the first through hole 2121, the first box part 110 cooperates with the first fitting hole 21112, so that the first connecting member is fixed to the first fixing fitting 21111; the second fixing member 222 includes a second through hole 2221 and a second connecting member (not shown in the figure), the second fixing fitting 22111 includes a second fitting hole 22112, the second connecting member is a screw, the second fitting hole 22112 is a threaded hole, the second connecting member passes through the second through hole 2221, the second box part 120 cooperates with the second fitting hole 22112, so that the second connecting member is fixed to the second fixing fitting 22111.
[0045] In an optional embodiment, as Figure 4 As shown, the hinge 200 is also equipped with a zipper pull fixing portion 240, which is used to fix the first zipper pull 1323. Specifically, the zipper pull fixing portion 240 is generally hook-shaped and is installed on the middle piece 231. The zipper pull fixing portion 240 includes a fixing hole 241, which is used to fix the first zipper pull 1323. The hinge 200 is at least partially made of a flexible material (such as rubber, silicone, etc.), such as a portion of the first fixing portion 210, or a portion of the second fixing portion 220, or a portion of the telescopic portion 230. When the second zipper assembly 133 opens the box body 100, the first box part 110 and the second box part 120 bend with the flexible portion of the hinge 200 as an axis to fully open the first box part 110 and the second box part 120.
[0046] It should be noted that since the invention of this application does not lie in the drawbar and rollers of the trolley case, the drawbar and rollers are omitted here. For ordinary technicians in this field, the specific structure of the drawbar and rollers can be set on the trolley case of this application with reference to other trolley cases, so they will not be repeated here.
[0047] In the trolley case with a retractable hinge of this embodiment, the retractable portion 230 on the hinge 200 retracts and contracts accordingly when the space adjustment portion 130 is adjusted, so that the space of the case can also be adjusted on the side where the hinge is installed.
[0048] The above descriptions are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, and these all fall within the scope of protection of the present invention.
Claims
1. A trolley case with a retractable hinge, characterized in that: include: a box body, the box body comprising a first box portion, a second box portion, and a space adjustment portion connecting the first box portion and the second box portion, the space adjustment portion being used to adjust a position of the first box portion relative to the second box portion to change a space of the box body; The hinge includes a first fixed part, a second fixed part, and a telescopic part connecting the first fixed part and the second fixed part. The first fixed part and the second fixed part are respectively fixed to the first box part and the second box part. The telescopic part is correspondingly telescoped when the space adjustment part is adjusted.
2. The trolley case with retractable hinges according to claim 1, characterized in that: The telescopic portion comprises: middleware; a first telescopic member, the first telescopic member being disposed at a first end of the intermediate member and being movably connected to the first fixed portion so as to enable the first telescopic member to telescope relative to the first fixed portion; The second telescopic member is arranged at the second end of the middle member, and the second telescopic member is movably connected to the second fixed portion so that the second telescopic member can be telescoped relative to the second fixed portion.
3. The trolley case with retractable hinges according to claim 2, characterized in that: The first fixing portion includes: a first telescopic fitting member, the first telescopic fitting member cooperating with the first telescopic member to enable the first telescopic member to telescope relative to the first telescopic fitting member; The second fixing portion includes: A second telescopic fitting member cooperates with the second telescopic member to enable the second telescopic member to telescope relative to the second telescopic fitting member.
4. The trolley case with retractable hinges according to claim 3, characterized in that: The first telescopic member includes a first waist hole, the first telescopic fitting member includes a first column, the first waist hole cooperates with the first column, so that the first column moves in the first waist hole; The second telescopic member includes a second waist hole, the second telescopic fitting member includes a second column, and the second waist hole cooperates with the second column to enable the second column to move in the second waist hole.
5. The trolley case with retractable hinges according to claim 4, characterized in that: The first fixing portion further includes a first fixing member, the first column includes a first fixing fitting member, and the first fixing member cooperates with the first fixing fitting member to fix the first fixing portion to the first box portion; The second fixing portion further includes a second fixing piece, the second column includes a second fixing fitting piece, and the second fixing piece cooperates with the second fixing fitting piece to fix the second fixing portion to the second box portion.
6. The trolley case with retractable hinges according to claim 5, characterized in that: The first fixing member includes a first through hole and a first connecting member, the first fixing fitting member passes through the first box portion, the first fixing fitting member includes a first matching hole, the first connecting member passes through the first through hole and matches with the first matching hole, so that the first connecting member is fixed to the first fixing fitting member; The second fixing member includes a second through hole and a second connecting member, the second fixing fitting member passes through the second box portion, the second fixing fitting member includes a second matching hole, the second connecting member passes through the second through hole and matches with the second matching hole to fix the second connecting member to the second fixing fitting member.
7. The trolley case with a retractable hinge according to any one of claims 1 to 6, characterized in that: The space adjustment unit includes: a connecting portion, the connecting portion being connected to the first box portion and the second box portion respectively; a first zipper assembly, the first zipper assembly comprising a first zipper tape and a second zipper tape spaced apart at the connecting portion, and a first zipper slider connecting the first zipper tape and the second zipper tape; When the first zipper pull engages the first zipper tape and the second zipper tape, the first box portion approaches the second box portion, and when the first zipper pull separates the first zipper tape and the second zipper tape, the first box portion moves away from the second box portion.
8. The suitcase with a retractable hinge according to claim 7, characterized in that: The hinge is further provided with a zipper pull fixing portion, and the zipper pull fixing portion is used to fix the first zipper pull.
9. The trolley case with a retractable hinge according to claim 8, characterized in that: The zipper pull fixing portion includes a fixing hole, and the fixing hole is used to fix the first zipper pull.
10. The trolley case with a retractable hinge according to any one of claims 1 to 6, characterized in that: The space adjustment portion further includes a second zipper assembly.