Connecting mechanism and four-wheel walking-aid cart

Abstract

The utility model provides a connecting mechanism and four-wheeled walker, wherein the connecting mechanism comprises a support assembly and a first connecting rod, the support assembly comprises a first support rod and a first connecting seat, the first connecting seat is detachably connected to the first support rod, and the first connecting rod is detachably connected to the first support rod. The first connecting rod is detachably connected to the first connecting base, and the axial direction of the first connecting rod is different from the axial direction of the first supporting rod. Besides, the four-wheel walking-aid cart comprises a cushion, moving wheels, a handle and the connecting mechanism, the cushion is arranged between the two supporting assemblies, the cushion is detachably connected to the first connecting rod and the second connecting rod, the moving wheels are connected to the bottoms of the supporting assemblies, and the handle is detachably connected to the bottom of the supporting assemblies. The handle is connected to the top of the supporting assembly. The connecting mechanism and the four-wheel walking-aid cart can be mounted and dismounted more conveniently, operation is more convenient, and the use experience feeling is better.

Description

Technical Field

[0001] The utility model relates to the technical field of shopping carts, in particular to a connecting mechanism and a four-wheeled walking cart. Background Art

[0002] A walker is a device that assists the elderly, frail, or people with mobility difficulties in walking. Users can push the walker to walk, sit in the walker to rest, or place daily necessities on the walker. Due to its multifunctional features, it has been widely used in daily life.

[0003] The support rods of existing four-wheeled walkers are all welded together, preventing disassembly. This takes up considerable space during packaging, storage, and transportation, indirectly increasing production costs. Furthermore, the chair frame and related structures of existing four-wheeled walkers are often connected by welding, which is inconvenient for subsequent repair and replacement, and also results in a transition to specialized welding personnel, resulting in high production costs. Utility Model Content

[0004] The purpose of the present utility model is to provide a connecting mechanism and a four-wheeled walker, aiming to solve the problems of the connecting mechanism of the existing four-wheeled walker, which is inconvenient for subsequent maintenance and replacement due to the use of welding connection, and has a high production cost.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] In a first aspect, a connection mechanism is provided, comprising:

[0007] The supporting assembly includes a first connecting seat, wherein the first connecting seat is provided with a first plug hole and a second plug hole.

[0008] Optionally, the connecting mechanism also includes a first connecting rod, and the support assembly also includes a first support rod, the first support rod is detachably plugged into the first plug-in hole, the first connecting rod is detachably plugged into the second plug-in hole, and the axial direction of the first connecting rod is different from the axial direction of the first support rod.

[0009] Optionally, the support assembly further includes a rotating seat and a second support rod, the rotating seat is detachably connected to the first support rod, and the second support rod is rotatably connected to the rotating seat.

[0010] Optionally, the connecting mechanism also includes a second connecting rod, and the support assembly also includes a second connecting seat, the second connecting seat is detachably connected to the second support rod, the second connecting rod is detachably connected to the second connecting seat, and the axial direction of the second connecting rod is different from the axial direction of the second support rod.

[0011] Optionally, there are two support assemblies, the two support assemblies are arranged at intervals, the two ends of the first connecting rod are respectively plugged into the two first connecting seats, and the two ends of the second connecting rod are respectively plugged into the two second connecting seats.

[0012] Optionally, the support assembly further includes a first connecting rod and a second connecting rod, one end of the first connecting rod is rotatably connected to the first connecting seat, the other end of the first connecting rod is rotatably connected to one end of the second connecting rod, and the other end of the second connecting rod is rotatably connected to the second connecting seat.

[0013] Optionally, the support assembly further includes a connecting rivet, the first connecting seat is installed on the first support rod through the connecting rivet, the first connecting rod is installed on the first connecting seat through the connecting rivet, the second connecting seat is installed on the second support rod through the connecting rivet, and the second connecting rod is installed on the second connecting seat through the connecting rivet.

[0014] In the second aspect, a four-wheeled walker is provided, comprising a seat cushion, movable wheels, a handle and the above-mentioned connecting mechanism, wherein the seat cushion is arranged between the two support assemblies, the seat cushion is detachably connected to the first connecting rod and the second connecting rod, the movable wheels are connected to the bottom of the support assembly, and the handle is connected to the top of the support assembly.

[0015] Optionally, the four-wheeled walker further comprises a backrest pad, and the backrest pad is detachably connected to the rotating base.

[0016] Optionally, the four-wheeled walker further includes a storage bag, which is detachably connected to the first connecting rod and the second connecting rod, and the storage bag is located below the seat cushion.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] 1. In the connection mechanism provided by the present invention, the support assembly plays a supporting role, and the first connecting rod plays a role of connecting the two support assemblies. In the existing four-wheeled walker, the connecting rod is generally connected to the support rods on both sides by welding. In the present invention, a first connecting seat is provided on the first support rod, and the first connecting rod is detachably connected to the first connecting seat by plugging. That is, the first support rod and the first connecting rod are connected together in a detachable manner by plugging, which can be more convenient to disassemble and more convenient for later maintenance and replacement.

[0019] 2. In the connecting mechanism provided by the present invention, a first connecting seat is provided on the first support rod, and a second connecting seat is provided on the second support rod. The two ends of the first connecting rod are respectively plugged into the two first connecting seats, and the two ends of the second connecting rod are respectively plugged into the two second connecting seats. The connection is made by plugging, which makes it easier to disassemble and more convenient to repair and replace later.

[0020] 3. In the four-wheeled walker provided by the present invention, the above-mentioned connecting mechanism is used for connection and assembly, which can be installed and disassembled more conveniently, is more convenient to operate, and provides a better user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0022] Figure 1 This is a schematic structural diagram of a four-wheeled walker of the present invention;

[0023] Figure 2 This is a schematic structural diagram of the connecting mechanism of the present invention;

[0024] Figure 3 This is a schematic diagram of the connection structure between the first support rod, the first connecting seat and the first connecting rod of the present invention;

[0025] Figure 4 It is a schematic diagram of the connection structure between the second support rod, the second connecting seat and the second connecting rod of the present invention.

[0026] In the figure: 1. Support assembly; 11. First support rod; 12. First connecting seat; 13. Rotating seat; 14. Second support rod; 15. Second connecting seat; 16. First connecting rod; 17. Second connecting rod; 18. Handle; 2. First connecting rod; 3. Second connecting rod; 4. Seat cushion; 5. Moving wheel; 6. Handle; 7. Backrest cushion; 8. Storage bag. DETAILED DESCRIPTION

[0027] The following is a clear and complete description of the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or to implicitly indicate the quantity of the technical features indicated. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of the features.

[0030] The following combination Figures 1 to 4 The invention describes a connecting mechanism and a four-wheeled walker.

[0031] like Figures 1 to 4 As shown, the utility model provides a connecting mechanism, including a support assembly 1 and a first connecting rod 2, the support assembly includes a first connecting seat 12, the first connecting seat 12 is provided with a first plug hole and a second plug hole, the support assembly 1 also includes a first support rod 11, the first connecting seat 12 is detachably connected to the first support rod 11, the first connecting rod 2 is detachably connected to the first connecting seat 12, the axial direction of the first connecting rod 2 is different from the axial direction of the first support rod 11, specifically, the first support rod 11 is detachably plugged into the first plug hole, and the first connecting rod 2 is detachably plugged into the second plug hole.

[0032] In the connection mechanism provided in this embodiment, the support assembly 1 plays a supporting role, and the first connecting rod 2 plays a role in connecting the two support assemblies 1. In the existing four-wheeled walker, the connecting rod is generally connected to the support rods on both sides by welding. In the utility model, the first support rod 11 is provided with a first connecting seat 12, and the first connecting rod 2 is detachably connected to the first connecting seat 12 by plugging. That is, the first support rod 11 and the first connecting rod 2 are connected together in a detachable manner by plugging, which can be more convenient to disassemble and more convenient to repair and replace later.

[0033] In the connecting mechanism provided in this embodiment, a first connecting seat 12 is provided on the first support rod 11, and a second connecting seat 15 is provided on the second support rod 14. The two ends of the first connecting rod 2 are respectively plugged into the two first connecting seats 12, and the two ends of the second connecting rod 3 are respectively plugged into the two second connecting seats 15. The connection is made by plugging, which makes it easier to disassemble and more convenient to repair and replace later.

[0034] In some embodiments, the support assembly 1 also includes a rotating seat 13 and a second support rod 14. The rotating seat 13 is detachably connected to the first support rod 11, and the second support rod 14 is rotatably connected to the rotating seat 13. By setting the rotating seat 13, a support point can be provided for the rotation of the second support rod 14, the support effect is better, and the overall structure is more stable.

[0035] In some embodiments, the connecting mechanism also includes a second connecting rod 3, and the support assembly 1 also includes a second connecting seat 15. The second connecting seat 15 is detachably connected to the second support rod 14, and the second connecting rod 3 is detachably connected to the second connecting seat 15. The axial direction of the second connecting rod 3 is different from the axial direction of the second support rod 14. By setting the second connecting rod 3, the stability of the connecting structure can be further improved.

[0036] In some embodiments, there are two support assemblies 1, and the two support assemblies 1 are arranged at intervals. The two ends of the first connecting rod 2 are respectively plugged into the two first connecting seats 12, and the two ends of the second connecting rod 3 are respectively plugged into the two second connecting seats 15. It can be understood that the connection method between the first support rod 11, the first connecting seat 12 and the first connecting rod 2 is plug-in, and the connection method between the second support rod 14, the second connecting seat 15 and the second connecting rod 3 is also plug-in. Both disassembly and installation are very convenient, and the operation is simpler.

[0037] In some embodiments, the first support rod 11 is perpendicular to the first connecting rod 2 , and the second support rod 14 is perpendicular to the second connecting rod 3 . This provides a better supporting effect of the connection structure, further enhancing the stability of the entire connection mechanism.

[0038] In some embodiments, the support assembly 1 also includes connecting rivets, the first connecting seat 12 is installed on the first support rod 11 through the connecting rivets, the first connecting rod 2 is installed on the first connecting seat 12 through the connecting rivets, the second connecting seat 15 is installed on the second support rod 14 through the connecting rivets, and the second connecting rod 3 is installed on the second connecting seat 15 through the connecting rivets. The connection through rivets makes the installation more stable and convenient for disassembly.

[0039] In some embodiments, the support assembly 1 also includes a first connecting rod 16 and a second connecting rod 17, one end of the first connecting rod 16 is rotatably connected to the first connecting seat 12, the other end of the first connecting rod 16 is rotatably connected to one end of the second connecting rod 17, and the other end of the second connecting rod 17 is rotatably connected to the second connecting seat 15. Specifically, the first connecting rod 16 and the second connecting rod 17 are arranged between the first connecting seat 12 and the second connecting seat 15, which can limit the rotation angle between the first support rod 11 and the second support rod 14, prevent the first support rod 11 and the second support rod 14 from rotating without restriction, and also facilitate storage, making operation more convenient.

[0040] In some embodiments, the support assembly 1 further includes a handle 18, which is rotatably connected to the connection between the first link 16 and the second link 17, and can more conveniently drive the first link 16 and the second link 17 to rotate, making it more convenient to store.

[0041] The utility model also provides a four-wheeled walker, including a seat cushion 4, moving wheels 5, a handle 6 and the above-mentioned connecting mechanism. The seat cushion 4 is arranged between the two support assemblies 1, the seat cushion 4 is detachably connected to the first connecting rod 2 and the second connecting rod 3, the moving wheels 5 are connected to the bottom of the support assembly 1, and the handle 6 is connected to the top of the support assembly 1.

[0042] In the four-wheeled walker provided in this embodiment, the above-mentioned connecting mechanism is used for connection and assembly, which can be installed and disassembled more conveniently, is more convenient to operate, and provides a better user experience.

[0043] Specifically, the user experience can be improved by providing the seat cushion 4, the movement wheels 5 can be more conveniently provided, and the armrests can make it easier for the user to push the four-wheeled walker, making it more convenient to use.

[0044] In some embodiments, the four-wheeled walker further includes a backrest pad 7, which is detachably connected to the rotating seat 13. Specifically, buckles are provided on both sides of the backrest pad 7, and the backrest pad 7 is snapped onto the rotating seat 13, which can more conveniently complete the splicing and is more convenient to operate.

[0045] In some embodiments, the four-wheeled walker further includes a storage bag 8, which is detachably connected to the first connecting rod 2 and the second connecting rod 3. The storage bag 8 is located below the seat cushion 4. By providing the storage bag 8, the user can place miscellaneous items in the storage bag 8, making it more convenient to use.

[0046] In some embodiments, the first support rod 11 and the second support rod 14 are telescopic rods, which can more conveniently adjust the height of the entire four-wheeled walker, provide better adaptability, and be more convenient to use.

[0047] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A connecting mechanism, characterized in that: include: A support assembly (1), the support assembly (1) comprising a first connecting seat (12), the first connecting seat (12) being provided with a first plug hole and a second plug hole; The connecting mechanism further comprises a first connecting rod (2), and the supporting assembly (1) further comprises a first supporting rod (11), wherein the first supporting rod (11) is detachably plugged into the first plug hole, and the first connecting rod (2) is detachably plugged into the second plug hole, and the axial direction of the first connecting rod (2) is different from the axial direction of the first supporting rod (11); The support assembly (1) further comprises a rotating seat (13) and a second support rod (14), wherein the rotating seat (13) is detachably connected to the first support rod (11), and the second support rod (14) is rotatably connected to the rotating seat (13); The connecting mechanism further comprises a second connecting rod (3), and the supporting assembly (1) further comprises a second connecting seat (15), wherein the second connecting seat (15) is detachably connected to the second supporting rod (14), and the second connecting rod (3) is detachably connected to the second connecting seat (15), and the axial direction of the second connecting rod (3) is different from the axial direction of the second supporting rod (14).

2. The connecting mechanism according to claim 1, wherein: The number of the support assemblies (1) is two, and the two support assemblies (1) are arranged at intervals. The two ends of the first connecting rod (2) are respectively plugged into the two first connecting seats (12), and the two ends of the second connecting rod (3) are respectively plugged into the two second connecting seats (15).

3. The connecting mechanism according to claim 2, characterized in that: The support assembly (1) further includes a first connecting rod (16) and a second connecting rod (17), one end of the first connecting rod (16) being rotatably connected to the first connecting seat (12), the other end of the first connecting rod (16) being rotatably connected to one end of the second connecting rod (17), and the other end of the second connecting rod (17) being rotatably connected to the second connecting seat (15).

4. The connection mechanism according to claim 3, characterized in that: The support assembly (1) further comprises a connecting rivet, wherein the first connecting seat (12) is mounted on the first support rod (11) via the connecting rivet, the first connecting rod (2) is mounted on the first connecting seat (12) via the connecting rivet, the second connecting seat (15) is mounted on the second support rod (14) via the connecting rivet, and the second connecting rod (3) is mounted on the second connecting seat (15) via the connecting rivet.

5. A four-wheeled walking cart, characterized in that: It comprises a seat cushion (4), a movable wheel (5), a handle (6) and the connecting mechanism according to claim 1, wherein the seat cushion (4) is arranged between the two support assemblies (1), the seat cushion (4) is detachably connected to the first connecting rod (2) and the second connecting rod (3), the movable wheel (5) is connected to the bottom of the support assembly (1), and the handle (6) is connected to the top of the support assembly (1).

6. The four-wheeled walker according to claim 5, characterized in that: The four-wheeled walker further comprises a backrest pad (7), and the backrest pad (7) is detachably connected to the rotating seat (13).

7. The four-wheeled walker according to claim 6, characterized in that: The four-wheeled walker further comprises a storage bag (8), wherein the storage bag (8) is detachably connected to the first connecting rod (2) and the second connecting rod (3), and the storage bag (8) is located below the seat cushion (4).

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