Foldable oxygen cylinder hanging bracket for shared folding wheelchair

Abstract

This invention provides a foldable oxygen cylinder suspension bracket for shared folding wheelchairs, including a mounting base, a connector, a release and locking structure, and a hanging rod. In use, the wheelchair is unfolded, and the hanging rod unfolds accordingly. The hanging rod is then rotated, causing the first and second connecting shafts to extend vertically. The connector is then locked, suspending the oxygen cylinder on the hanging rod. After use, the connector is first released, and then the hanging rod is rotated, causing the first and second connecting shafts to extend horizontally. At this point, the hanging rod and the wheelchair can be folded together for storage. This foldable oxygen cylinder suspension bracket for shared folding wheelchairs ensures stable suspension of the oxygen cylinder, preventing it from swaying or shifting its center of gravity during transport. When not in use, it can be folded and stored synchronously with the wheelchair, adapting to the use of shared wheelchairs and improving the safety and convenience of in-hospital transport for patients carrying oxygen.

Description

Technical Field

[0001] This invention relates to the field of medical assistive device technology, specifically to a foldable oxygen cylinder suspension bracket for a shared foldable wheelchair. Background Technology

[0002] During clinical diagnosis and treatment, some patients who require continuous oxygen therapy must carry portable oxygen cylinders with them when leaving the ward for external examinations, transfers to other departments, or necessary in-hospital activities to maintain continuous oxygen inhalation, ensure that blood oxygen saturation remains stable within the target range, and avoid fluctuations in condition or unexpected events caused by hypoxia.

[0003] Patients with these conditions often experience limited mobility, weakened muscles, and unsteady gait due to underlying medical conditions or physical exhaustion, requiring wheelchair assistance for movement within the hospital. Currently, hospitals in China commonly use shared wheelchairs available for rent via QR code, operated by accompanying family members through their mobile phones to meet temporary transport needs. However, existing shared wheelchairs are not designed with the special transport needs of patients requiring oxygen in mind, lacking dedicated oxygen cylinder hanging or securing devices. In practice, family members often temporarily hang the oxygen cylinder on the fabric cushion of the wheelchair backrest. Because fabric cushions are soft and thin, lacking rigid support, using hooks to hang the oxygen cylinder not only easily damages the cushion but also results in an unstable suspension due to the cushion's flexibility. During wheelchair movement, encountering uneven surfaces, turns, inclines, or even slight bumps can cause the oxygen cylinder to sway back and forth, shifting its center of gravity, leading to poor overall stability and safety hazards. Ultimately, existing shared wheelchairs lack a dedicated rigid suspension structure to securely hold the oxygen cylinder.

[0004] Therefore, how to design a foldable oxygen cylinder suspension bracket that is stable and can ensure safe transport is a technical problem that has not yet been solved in the existing technology. Summary of the Invention

[0005] Therefore, the technical problem to be solved by the present invention is to overcome the technical defect of existing shared wheelchairs lacking a dedicated rigid suspension structure to securely fix oxygen cylinders, thereby providing a foldable oxygen cylinder suspension bracket for shared foldable wheelchairs that provides stable suspension and ensures safe transport.

[0006] Therefore, the present invention provides a foldable oxygen cylinder suspension bracket for a shared folding wheelchair, comprising: There are two mounting bases, each suitable for fixed installation on the push handles on both sides of the wheelchair; There are two connectors, one end of which is rotatably mounted on the inner side of the mounting base; Release the locking structure to lock the connector to prevent it from rotating; or release the lock on the connector to allow it to rotate. A hanging rod is installed between the two connecting members, with both ends rotatably mounted on the other end of each connecting member via a first connecting shaft; the hanging rod includes a left hanging rod and a right hanging rod, which are rotatably connected via two second connecting shafts; the first connecting shafts and the second connecting shafts are arranged in parallel. After the hanging rod is extended horizontally, rotate the hanging rod to extend the first connecting shaft and the second connecting shaft vertically. Then, operate the release locking structure to lock the connector. At this time, the hanging rod is in a straight state for suspending the oxygen cylinder. After the connector is unlocked by operating the release locking structure, the hanging rod is rotated so that the first connecting shaft and the second connecting shaft extend in the horizontal direction. The hanging rod can bend inward around the first connecting shaft and the second connecting shaft, thereby changing to a folded storage state.

[0007] As a preferred embodiment, it also includes a limiting stop bar, with both ends adapted to be rotatably mounted on the two side vertical beams of the wheelchair via a stop bar mounting structure, and vertically opposite to the hanging rod, with a limiting silicone pad fixedly installed on the outer side of the middle part; the limiting stop bar includes a left stop bar and a right stop bar, and the left stop bar and the right stop bar are rotatably connected by two third rotating shafts; When the hanging rod is extended horizontally, the limiting stop bar is extended horizontally around the two third rotating shafts and is in a straight state; When the hanging rod is folded and stored, the limiting stop bends inward around the two third rotating axes, changing to a folded and stored state.

[0008] As a preferred embodiment, a circular boss is fixedly provided on the inner side of the mounting base; One end of the connector has a boss mounting cavity; the boss mounting cavity is matched and installed with the circular boss, and can rotate around the circular boss, so that the connector can be rotatably installed on the mounting base.

[0009] As a preferred embodiment, the connector includes: The lower clamping block has a lower cavity at one end facing the mounting base; The upper clamping block is fixedly installed on the top of the lower clamping block, and the upper half cavity is opened at a position that is vertically opposite to the lower half cavity; the lower half cavity and the upper half cavity together form the boss mounting cavity.

[0010] As a preferred embodiment, the release locking structure includes: A guide groove is formed on the top of the upper clamping block, with openings at both ends; The release lock block is movably inserted into the guide groove, with a threaded through hole at one end facing the mounting base and a limit baffle formed at the other end; A limiting blind hole is provided on the top of the mounting base; After the limiting bolt is screwed into the threaded through hole, its free end extends into the limiting blind hole, thereby locking the connector and preventing it from rotating.

[0011] As a preferred embodiment, the left hanging rod and the right hanging rod are rotatably connected by a first hinge member; the two ends of the first hinge member are respectively formed with a first hinge seat, and the two side walls of the first hinge seat are provided with first hinge through holes. One end of the left hanging rod and the right hanging rod are respectively installed in the first hinge seat, and each has a second hinge through hole; the second connecting shaft is inserted through the first hinge through hole and the second hinge through hole, thereby rotatably connecting the left hanging rod and the right hanging rod together.

[0012] As a preferred embodiment, the other ends of the left hanging rod and the right hanging rod are respectively formed with second hinge seats, and the two side walls of the second hinge seats are provided with third hinge through holes. Connecting pieces are fixedly provided on the inner sides of the two connecting members respectively. The connecting pieces are installed in the second hinge seat and have a fourth hinge through hole. The first connecting shaft is inserted through the third hinge through hole and the fourth hinge through hole, so that the left hanging rod and the right hanging rod are rotatably installed on the connecting members respectively.

[0013] As a preferred embodiment, the mounting base has a mounting cavity formed thereon, the mounting cavity having a bottom opening and a side opening, and bolt mounting holes are formed opposite to each other on the two side walls; after the mounting base is fitted onto the push handle of the wheelchair through the mounting cavity, mounting bolts are passed through the bolt mounting holes and then engaged with nuts to fix the mounting base onto the wheelchair; It also includes a soft sleeve, which is fitted onto the portion of the mounting bolt located within the mounting cavity.

[0014] As a preferred embodiment, the stop bar mounting structure includes: The support rod is suitable for fixed installation on the vertical beam, and a mounting joint is formed on the side facing the limiting stop rod, and the mounting joint is provided with an internal thread hole; The first assembly through hole is opened at both ends of the limiting stop bar, and the inner wall is provided with a first smooth surface; An assembly bolt passes through the first assembly through hole and is screwed into the internal threaded hole; the outer wall of the assembly bolt opposite to the first smooth surface is provided with a second smooth surface, thereby rotatably mounting the limiting stop bar on the wheelchair; The pole includes: The left-side support rod is suitable for mounting on one side of the vertical beam, and the other side has a left-side locking joint. The right-side support rod is suitable for mounting on the other side of the vertical beam, and the other side has a right-side locking joint formed thereon; the left-side locking joint and the right-side locking joint are combined to form a locking joint; A closed locking ring is screwed onto the outer wall of the mounting joint; An open locking ring, capable of elastic deformation, is screwed onto the outer wall of the locking joint, thereby fixing the rod to the vertical beam.

[0015] As a preferred embodiment, the left stop and the right stop are rotatably connected by a second hinge; the two ends of the second hinge are respectively formed with second hinge seats, and the two side walls of the second hinge seats are provided with first connecting through holes. One end of the left stop and the right stop are respectively installed in the second hinge seat, and each is provided with a second connecting through hole; the third rotating shaft is inserted through the first connecting through hole and the second connecting through hole, thereby rotatably connecting the left stop and the right stop together; and / or; The limiting silicone pad is fixedly installed on the outer side wall of the second hinge.

[0016] The technical solution provided by this invention has the following advantages: The present invention relates to a foldable oxygen cylinder suspension bracket for a shared folding wheelchair, comprising a mounting base, connectors, a release locking structure, and a hanging rod; wherein, there are two mounting bases, each adapted to be fixedly mounted on the push handles on both sides of the wheelchair; there are two connectors, one end of which is rotatably mounted on the inner side of the mounting base; the release locking structure is used to lock the connectors to prevent them from rotating; or to release the lock on the connectors to allow them to rotate; the hanging rod is installed between the two connectors, with both ends rotatably mounted on the other end of the connectors via first connecting shafts; the hanging rod includes a left hanging rod and a right hanging rod, which are rotatably connected via two second connecting shafts; the first and second connecting shafts are arranged in parallel.

[0017] When renting a shared wheelchair by scanning a QR code, the wheelchair is initially folded and stowed, and the hanging rod is also folded and stowed at the same time. To use the wheelchair, unfold the folded wheelchair, and the hanging rod unfolds horizontally. Then rotate the hanging rod to extend the first and second connecting shafts vertically. Next, operate the release locking mechanism to lock the connectors. At this point, the hanging rod is in a straight position for suspending the oxygen cylinder. After the operation is completed, the oxygen cylinder can be suspended on the hanging rod for the patient to carry to maintain continuous oxygen therapy. After use, first operate the release locking mechanism to unlock the connectors, and then rotate the hanging rod in the opposite direction to extend the first and second connecting shafts horizontally. At this point, the hanging rod bends inward around the first and second connecting shafts, transforming into a folded and stowed state along with the wheelchair. The foldable oxygen cylinder suspension bracket for shared folding wheelchairs of the present invention can effectively solve the problem that existing shared wheelchairs do not have a dedicated oxygen cylinder suspension or fixing device, so as to achieve stable suspension of oxygen cylinders and avoid phenomena such as back-and-forth shaking and center of gravity shift during transportation. When not in use, it can be folded and stored in sync with the wheelchair, adapting to the usage scenarios of shared wheelchairs and improving the safety and convenience of intra-hospital transportation of patients with oxygen. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the prior art or specific embodiments of the present invention, the accompanying drawings used in the description of the prior art or specific embodiments are briefly introduced below.

[0019] Figure 1 This is a schematic diagram of the hanging rod in the foldable oxygen cylinder suspension bracket for shared foldable wheelchairs of the present invention.

[0020] Figure 2 yes Figure 1 A schematic diagram of the explosion structure.

[0021] Figure 3 yes Figure 2 Enlarged structural diagram of part A.

[0022] Figure 4 yes Figure 3 Another stereoscopic view.

[0023] Figure 5 This is a schematic diagram of the limiting stop bar in the foldable oxygen cylinder suspension bracket for shared foldable wheelchairs of the present invention.

[0024] Figure 6 yes Figure 5 A schematic diagram of the explosion structure.

[0025] Figure 7 This is a schematic diagram of the foldable oxygen cylinder suspension bracket for shared foldable wheelchairs of the present invention mounted on a wheelchair.

[0026] Figure 8 yes Figure 7 Enlarged structural diagram of section B.

[0027] Figure 9 yes Figure 7 A magnified schematic diagram of the structure of section C.

[0028] Figure 10 yes Figure 7 A schematic diagram of the structure in its stored state.

[0029] Figure 11 yes Figure 10 Enlarged structural diagram of section D.

[0030] Figure 12 yes Figure 10 Enlarged structural diagram of section E in the middle.

[0031] Reference numerals: 1. Mounting base; 11. Circular boss; 12. Boss mounting cavity; 13. Mounting cavity; 14. Bolt mounting hole; 15. Mounting bolt; 16. Nut; 17. Soft sleeve; 2. Connecting piece; 21. Lower clamping block; 22. Lower half cavity; 23. Upper clamping block; 24. Upper half cavity; 3. Hanging rod; 31. Left hanging rod; 32. Right hanging rod; 33. First connecting shaft; 34. Second connecting shaft; 4. Limiting stop; 41. Limiting silicone pad; 42. Left stop; 43. Right stop; 44. Third shaft; 5. Guide groove; 51. Release lock block; 52. Threaded through hole; 53. Limiting baffle; 54. Limiting blind hole; 55. Limiting bolt; 6. 61. First hinge member; 62. First hinge seat; 63. First hinge through hole; 64. Second hinge seat; 65. Third hinge through hole; 66. Connecting piece; 67. Fourth hinge through hole; 7. Mounting rod; 71. Mounting joint; 72. Internal threaded hole; 73. First assembly through hole; 74. First smooth surface; 75. Assembly bolt; 76. Second smooth surface; 8. Left mounting rod; 81. Left locking joint; 82. Right mounting rod; 83. Right locking joint; 84. Locking joint; 85. Closed locking ring; 86. Open locking ring; 9. Second hinge member; 91. Second hinge seat; 92. First connecting through hole; 93. Second connecting through hole. Detailed Implementation

[0032] To enable those skilled in the art to better understand this solution, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of this application.

[0033] It should be noted that the terms "first," "second," etc., in the claims and specification of this application are used to distinguish similar objects and are not used to describe a specific order or sequence. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such as a process, method, system, product, or device that includes a series of steps or units, not limited to those steps or units explicitly listed, but may also include other steps or units not explicitly listed or inherent to these processes, methods, products, or devices.

[0034] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for better description of this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation. Furthermore, some of the above terms may be used to indicate other meanings besides orientation or positional relationship; for example, the term "upper" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application according to the specific circumstances. In addition, the term "multiple" should mean two or more. It should be noted that, unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other.

[0035] The present application will now be described in detail with reference to the accompanying drawings and embodiments. Example

[0036] This embodiment provides a foldable oxygen cylinder suspension bracket for a shared folding wheelchair, such as... Figure 1 , 7 As shown in -8 and 10-11, the device includes: a mounting base 1, a connector 2, a release and locking structure, and a hanging rod 3; wherein, there are two mounting bases 1, each adapted to be fixedly mounted on the push handles on both sides of the wheelchair; there are two connectors 2, one end of which is rotatably mounted on the inner side of the mounting base 1; the release and locking structure is used to lock the connector 2 to prevent the connector 2 from rotating; or to release the lock on the connector 2 to allow the connector 2 to rotate; the hanging rod 3 is installed between the two connectors 2, and both ends are rotatably mounted on the other end of the connector 2 through a first connecting shaft 33; the hanging rod 3 includes a left hanging rod 31 and a right hanging rod 32, which are rotatably connected by two second connecting shafts 34; the first connecting shaft 33 and the second connecting shaft 34 are arranged in parallel.

[0037] When renting a shared wheelchair by scanning a QR code, the wheelchair is initially folded and stowed, and the hanging rod 3 is also folded and stowed at the same time. When using the wheelchair, unfold the folded wheelchair, and the hanging rod 3 unfolds horizontally. Then rotate the hanging rod 3 so that the first connecting shaft 33 and the second connecting shaft 34 extend vertically. Then operate the release locking mechanism to lock the connector 2. At this time, the hanging rod 3 is in a straight state for suspending the oxygen cylinder. After the operation is completed, the oxygen cylinder can be suspended on the hanging rod 3 for the patient to carry to maintain continuous oxygen therapy. After use, first operate the release locking mechanism to unlock the connector 2, and then rotate the hanging rod 3 in the opposite direction so that the first connecting shaft 33 and the second connecting shaft 34 extend horizontally. At this time, the hanging rod 3 bends inward around the first connecting shaft 33 and the second connecting shaft 34, and can be transformed into a folded and stowed state along with the wheelchair. The foldable oxygen cylinder suspension bracket for shared folding wheelchairs in this embodiment can effectively solve the problem that existing shared wheelchairs do not have a dedicated oxygen cylinder suspension or fixing device, so as to achieve stable suspension of oxygen cylinders and avoid phenomena such as back-and-forth shaking and center of gravity shift during transportation. When not in use, it can be folded and stored in sync with the wheelchair, adapting to the usage scenarios of shared wheelchairs and improving the safety and convenience of intra-hospital transportation of patients with oxygen.

[0038] like Figure 5 , 7 As shown in Figures 9-10 and 12, the system also includes a limiting stop bar 4. Both ends of the limiting stop bar 4 are rotatably mounted on the two side vertical beams of the wheelchair via a stop bar mounting structure, facing the hanging rod 3 vertically. A limiting silicone pad 41 is fixedly installed on the outer side of the middle section. The limiting stop bar 4 includes a left stop bar 42 and a right stop bar 43, which are rotatably connected by two third rotating shafts 44. After the oxygen cylinder is suspended on the hanging rod 3, the cylinder body contacts the limiting silicone pad 41. The limiting silicone pad 41 has a large coefficient of friction, effectively limiting the shaking of the oxygen cylinder. The state of the limiting stop bar 4 is synchronized with the state of the hanging rod 3. When the hanging rod 3 is unfolded horizontally, the limiting stop bar 4 unfolds horizontally around the two third rotating shafts 44, remaining in a straight state. When the hanging rod 3 is folded and stored, the limiting stop bar 4 bends inward around the two third rotating shafts 44, changing to a folded and stored state.

[0039] like Figure 2-4 As shown, a circular boss 11 is fixedly provided on the inner side of the mounting base 1; a boss mounting cavity 12 is provided at one end of the connector 2; the boss mounting cavity 12 is matched and installed with the circular boss 11, and can rotate around the circular boss 11, so that the connector 2 can be rotatably installed on the mounting base 1.

[0040] The connector 2 includes a lower clamping block 21 and an upper clamping block 23; wherein, the lower clamping block 21 has a lower cavity 22 at one end facing the mounting base 1; the upper clamping block 23 is fixedly installed on the top of the lower clamping block 21, and has an upper cavity 24 at a position opposite to the lower cavity 22; the lower cavity 22 and the upper cavity 24 together form the boss mounting cavity 12.

[0041] The release and locking structure includes a guide groove 5, a release lock block 51, a limiting blind hole 54, and a limiting bolt 55. The guide groove 5 is located on the top of the upper clamping block 23 and has openings at both ends. The release lock block 51 is movably inserted into the guide groove 5, with a threaded through hole 52 at one end facing the mounting base 1 and a limiting baffle 53 at the other end. The limiting blind hole 54 is located on the top of the mounting base 1. After the limiting bolt 55 is screwed into the threaded through hole 52, its free end extends into the limiting blind hole 54, thereby locking the connecting member 2 and preventing it from rotating. When it is necessary to release the lock, first rotate the limiting bolt 55 outward to disengage it from the limiting blind hole 54, then pull the release lock block 51 along the guide groove 5 to disengage it from the mounting base 1. At this time, the lock on the connecting member 2 and the hanging rod 3 is released.

[0042] The left hanging rod 31 and the right hanging rod 32 are rotatably connected by a first hinge member 6; the two ends of the first hinge member 6 are respectively formed with first hinge seats 61, and the two side walls of the first hinge seats 61 are respectively provided with first hinge through holes 62; one end of the left hanging rod 31 and the right hanging rod 32 are respectively installed in the first hinge seats 61, and each is provided with a second hinge through hole 63; the second connecting shaft 34 is inserted through the first hinge through hole 62 and the second hinge through hole 63, thereby rotatably connecting the left hanging rod 31 and the right hanging rod 32 together.

[0043] The other ends of the left hanging rod 31 and the right hanging rod 32 are respectively formed with second hinge seats 64, and the two side walls of the second hinge seats 64 are respectively provided with third hinge through holes 65; the inner sides of the two connecting pieces 2 are respectively fixedly provided with connecting pieces 66, the connecting pieces 66 are installed in the second hinge seats 64, and are provided with fourth hinge through holes 67; the first connecting shaft 33 is inserted through the third hinge through holes 65 and the fourth hinge through holes 67, so that the left hanging rod 31 and the right hanging rod 32 are respectively rotatably installed on the connecting pieces 2.

[0044] The mounting base 1 has a mounting cavity 13 formed therein, which has a bottom opening and a side opening, and bolt mounting holes 14 are formed on the two side walls. After the mounting base 1 is fitted onto the wheelchair handle through the mounting cavity 13, a mounting bolt 15 is passed through the bolt mounting holes 14 and then engaged with a nut 16 to fix the mounting base 1 onto the wheelchair. The system also includes a soft sleeve 17, which is fitted onto the portion of the mounting bolt 15 located within the mounting cavity 13. The soft sleeve 17 serves to provide a flexible medium between the mounting bolt 15 and the wheelchair handle, thereby preventing direct contact and rigid friction, and preventing wear on the surface of the wheelchair handle. Simultaneously, the soft sleeve 17 also provides cushioning and anti-slip properties, enhancing the connection stability between the mounting base 1 and the wheelchair handle.

[0045] like Figure 5-6 As shown, the stop bar mounting structure includes a retaining rod 7, a first mounting through hole 73, and mounting bolts 75; wherein, the retaining rod 7 is adapted to be fixedly mounted on the vertical beam, and a mounting joint 71 is formed on the side facing the limiting stop bar 4, the mounting joint 71 having an internal threaded hole 72; the first mounting through hole 73 is located at both ends of the limiting stop bar 4, and the inner wall has a first smooth surface 74; the mounting bolt 75 passes through the first mounting through hole 73 and is screwed into the internal threaded hole 72; the outer wall of the mounting bolt 75 opposite to the first smooth surface 74 has a second smooth surface 76, thereby rotatably mounting the limiting stop bar 4 on the wheelchair; The mounting rod 7 includes a left mounting rod 8, a right mounting rod 82, a closed locking ring 85, and an open locking ring 86. The left mounting rod 8 is adapted to be mounted on one side of the vertical beam, with a left locking connector 81 formed on the other side. The right mounting rod 82 is adapted to be mounted on the other side of the vertical beam, with a right locking connector 83 formed on the other side. The left locking connector 81 and the right locking connector 83 together form a locking connector 84. The closed locking ring 85 is screwed onto the outer wall of the mounting connector 71. The open locking ring 86 is elastically deformable and screwed onto the outer wall of the locking connector 84, thereby fixing the mounting rod 7 onto the vertical beam.

[0046] The left stop bar 42 and the right stop bar 43 are rotatably connected by a second hinge member 9; the two ends of the second hinge member 9 are respectively formed with second hinge seats 91, and the two side walls of the second hinge seats 91 are respectively provided with first connecting through holes 92; one end of the left stop bar 42 and the right stop bar 43 are respectively installed in the second hinge seat 91, and are respectively provided with second connecting through holes 93; the third rotating shaft 44 is inserted into the first connecting through holes 92 and the second connecting through holes 93, thereby rotatably connecting the left stop bar 42 and the right stop bar 43 together; the limiting silicone pad 41 is fixedly installed on the outer side wall of the second hinge member 9.

[0047] The foldable oxygen cylinder suspension bracket for shared folding wheelchairs in this embodiment is used as follows: When in use, unfold the folded wheelchair, and the hanging rod 3 and the limiting stop 4 unfold horizontally. Then, rotate the hanging rod 3 so that the first connecting shaft 33 and the second connecting shaft 34 extend vertically. Then, push the release lock block 51 along the guide groove 5 so that the limiting bolt 55 and the limiting blind hole 54 are vertically aligned. Rotate the limiting bolt 55 downward so that its free end extends into the limiting blind hole 54 to lock the connector 2. At this time, the hanging rod 3 is in a straight state for suspending the oxygen cylinder. The limiting stop 4 unfolds horizontally around the two third shafts 44 and is in a straight state. After the operation is completed, the oxygen cylinder can be suspended on the hanging rod 3 so that the oxygen cylinder contacts the limiting silicone pad 41. After use, first rotate the limiting bolt 55 outward to dislodge it from the limiting blind hole 54, then pull the release lock block 51 along the guide slide 5 to disengage it from the mounting base 1. At this time, the locking of the connecting piece 2 is released. Then rotate the hanging rod 3 in the opposite direction to extend the first connecting shaft 33 and the second connecting shaft 34 in the horizontal direction. At this time, the hanging rod 3 can bend inward around the first connecting shaft 33 and the second connecting shaft 34; the limiting stop bar 4 can bend inward around the two third shafts 44, so that the hanging rod 3 and the limiting stop bar 4 can be transformed into a folded storage state together with the wheelchair.

[0048] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this innovative technical solution.

Claims

1. A foldable oxygen cylinder suspension bracket for a shared folding wheelchair, characterized in that, include: There are two mounting bases (1), which are respectively suitable for being fixedly installed on the push handles on both sides of the wheelchair; There are two connectors (2), one end of which is rotatably mounted on the inner side of the mounting base (1); Release the locking structure to lock the connector (2) to prevent the connector (2) from rotating; or release the lock on the connector (2) to allow the connector (2) to rotate. A hanging rod (3) is installed between two connecting parts (2), and its two ends are rotatably installed on the other end of the connecting parts (2) via a first connecting shaft (33); the hanging rod (3) includes a left hanging rod (31) and a right hanging rod (32), and the left hanging rod (31) and the right hanging rod (32) are rotatably connected via two second connecting shafts (34); the first connecting shaft (33) and the second connecting shaft (34) are arranged in parallel; After the hanging rod (3) is extended horizontally, the hanging rod (3) is rotated so that the first connecting shaft (33) and the second connecting shaft (34) extend vertically. The release locking structure is then operated to lock the connector (2). At this time, the hanging rod (3) is in a straight state for suspending the oxygen cylinder. After the locking mechanism is used to unlock the connector (2), the hanging rod (3) is rotated so that the first connecting shaft (33) and the second connecting shaft (34) extend in the horizontal direction. The hanging rod (3) can bend inward around the first connecting shaft (33) and the second connecting shaft (34), and thus can be transformed into a folded storage state.

2. The foldable oxygen cylinder suspension bracket for shared folding wheelchairs according to claim 1, characterized in that: It also includes a limiting stop bar (4), both ends of which are adapted to be rotatably mounted on the two vertical beams of the wheelchair via a stop bar mounting structure, and are vertically opposite to the hanging rod (3), with a limiting silicone pad (41) fixedly installed on the outer side of the middle part; the limiting stop bar (4) includes a left stop bar (42) and a right stop bar (43), and the left stop bar (42) and the right stop bar (43) are rotatably connected by two third rotating shafts (44); When the hanging rod (3) is extended in the horizontal direction, the limiting stop (4) is extended in the horizontal direction around the two third rotating shafts (44) and is in a straight state; When the hanging rod (3) is folded and stored, the limiting stop (4) bends inward around the two third pivots (44) and changes to the folded storage state.

3. The foldable oxygen cylinder suspension bracket for shared folding wheelchairs according to claim 1, characterized in that: A circular boss (11) is fixedly provided on the inner side of the mounting base (1). One end of the connector (2) is provided with a boss mounting cavity (12); the boss mounting cavity (12) is matched and installed with the circular boss (11), and can rotate around the circular boss (11), so that the connector (2) can be rotatably installed on the mounting base (1).

4. The foldable oxygen cylinder suspension bracket for a shared folding wheelchair according to claim 3, characterized in that, The connector (2) includes: The lower clamping block (21) has a lower cavity (22) at one end facing the mounting base (1); The upper clamping block (23) is fixedly installed on the top of the lower clamping block (21), and the upper half cavity (24) is opened at a position opposite to the lower half cavity (22); the lower half cavity (22) and the upper half cavity (24) together form the boss mounting cavity (12).

5. The foldable oxygen cylinder suspension bracket for a shared folding wheelchair according to claim 4, characterized in that, The release lock structure includes: A guide groove (5) is formed on the top of the upper clamping block (23) and has openings at both ends; Release lock block (51) is movably inserted into the guide groove (5), with a threaded through hole (52) at one end facing the mounting base (1) and a limit baffle (53) formed at the other end; A limiting blind hole (54) is provided on the top of the mounting base (1); After the limiting bolt (55) is screwed into the threaded through hole (52), its free end extends into the limiting blind hole (54), thereby locking the connector (2) to prevent the connector (2) from rotating.

6. The foldable oxygen cylinder suspension bracket for a shared folding wheelchair according to claim 1, characterized in that: The left hanging rod (31) and the right hanging rod (32) are rotatably connected by a first hinge (6); the two ends of the first hinge (6) are respectively formed with a first hinge seat (61), and the two side walls of the first hinge seat (61) are provided with a first hinge through hole (62). One end of the left hanging rod (31) and the right hanging rod (32) are respectively installed in the first hinge seat (61), and each is provided with a second hinge through hole (63); the second connecting shaft (34) is inserted through the first hinge through hole (62) and the second hinge through hole (63) to rotatably connect the left hanging rod (31) and the right hanging rod (32) together.

7. The foldable oxygen cylinder suspension bracket for a shared folding wheelchair according to claim 6, characterized in that: The other ends of the left hanging rod (31) and the right hanging rod (32) are respectively formed with second hinge seats (64), and the two side walls of the second hinge seats (64) are provided with third hinge through holes (65). Connecting pieces (66) are fixedly provided on the inner sides of the two connecting pieces (2). The connecting pieces (66) are installed in the second hinge seat (64) and have a fourth hinge through hole (67). The first connecting shaft (33) is inserted through the third hinge through hole (65) and the fourth hinge through hole (67) so that the left hanging rod (31) and the right hanging rod (32) are rotatably installed on the connecting piece (2).

8. The foldable oxygen cylinder suspension bracket for a shared folding wheelchair according to claim 1, characterized in that: The mounting base (1) has a mounting cavity (13) formed on it. The mounting cavity (13) has a bottom opening and a side opening. Bolt mounting holes (14) are provided on the two side walls. After the mounting base (1) is fitted onto the push handle of the wheelchair through the mounting cavity (13), the mounting bolt (15) is passed through the bolt mounting hole (14) and then cooperated with the nut (16) to fix the mounting base (1) on the wheelchair. It also includes a soft sleeve (17), which is fitted onto the portion of the mounting bolt (15) located inside the mounting cavity (13).

9. The foldable oxygen cylinder suspension bracket for a shared folding wheelchair according to claim 2, characterized in that, The stop bar mounting structure includes: The support rod (7) is suitable for being fixedly installed on the vertical beam, and a mounting joint (71) is formed on the side facing the limiting stop (4), and the mounting joint (71) is provided with an internal thread hole (72). The first assembly through hole (73) is opened at both ends of the limiting stop (4), and the inner wall is provided with a first smooth surface (74). The mounting bolt (75) passes through the first mounting through hole (73) and is screwed into the internal thread hole (72); the outer wall of the mounting bolt (75) opposite to the first smooth surface (74) is provided with a second smooth surface (76), so that the limiting stop (4) can be rotatably mounted on the wheelchair; The pole (7) includes: The left-side support rod (8) is adapted to be mounted on one side of the vertical beam, and the other side is formed with a left-side locking joint (81). The right-side support rod (82) is adapted to be mounted on the other side of the vertical beam, and the other side is formed with a right-side locking joint (83); the left-side locking joint (81) and the right-side locking joint (83) are combined to form a locking joint (84). A closed locking ring (85) is screwed onto the outer wall of the mounting joint (71); The open locking ring (86) is elastically deformable and is screwed onto the outer wall of the locking joint (84), thereby fixing the rod (7) onto the vertical beam.

10. The foldable oxygen cylinder suspension bracket for a shared folding wheelchair according to claim 2, characterized in that: The left stop bar (42) and the right stop bar (43) are rotatably connected by a second hinge (9); the two ends of the second hinge (9) are respectively formed with a second hinge seat (91), and the two side walls of the second hinge seat (91) are provided with a first connecting through hole (92). One end of the left stop (42) and the right stop (43) are respectively installed in the second hinge seat (91) and are respectively provided with a second connecting through hole (93); the third rotating shaft (44) is inserted into the first connecting through hole (92) and the second connecting through hole (93) to rotatably connect the left stop (42) and the right stop (43) together; and / or; The limiting silicone pad (41) is fixedly installed on the outer side wall of the second hinge (9).

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