A folding mechanism and golf bag cart

Abstract

The utility model relates to a kind of folding mechanism and golf bag car, electric golf bag car generally all have foldable structure, it is convenient to carry in car trunk, it is also convenient to put into storage room when idle unused.Therefore, the folding of golf bag car becomes important index to measure its performance.The existing golf bag car is folded or unfolded by rotating rear wheel assembly around the part of rear wheel connecting rod assembly and frame connection, and this folding / unfolding mode is not only complex structure, but also needs larger operating space in action process.The folding mechanism and the golf bag car using the folding mechanism provided by the utility model make rear wheel assembly linearly move along the axial direction of corresponding rear wheel connecting rod assembly towards the direction of approaching or moving away from frame when folding / unfolding, and the whole action process is simple and direct, easy to operate, and folding mechanism is more stable and reliable.

Description

Technical Field

[0001] This utility model belongs to the field of golf bag cart technology, specifically relating to a folding mechanism and a golf bag cart. Background Technology

[0002] Golf is a globally popular sport whose essence transcends age, allowing people to fully connect with nature, immerse themselves in it, and enjoy the endless fun it brings.

[0003] Golf courses are vast, and for golf enthusiasts carrying numerous pieces of equipment, a golf cart is essential. Traditional golf carts are pushed by hand; however, golf courses often have undulating terrain, and if the grass is wet or the ground is sandy, pulling it by hand is quite strenuous. Therefore, electric golf carts are widely welcomed.

[0004] Typical electric golf bag carts have a foldable design, making them easy to carry in a car trunk and store in a storage room when not in use. Therefore, the foldability of a golf bag cart is an important indicator of its performance.

[0005] Existing golf bag carts typically fold by using the connection point between the rear wheel linkage assembly and the frame as a pivot point. Rotating the rear wheel linkage assembly around this pivot point folds both the rear wheel and the rear wheel assembly to the sides of the frame. Conversely, rotating the rear wheel linkage assembly in the opposite direction around the pivot point unfolds both the rear wheel and the rear wheel linkage assembly. This folding / unfolding method is not only structurally complex but also requires considerable operating space during the process; otherwise, it can easily affect the rotation of the rear wheel assembly, making it inconvenient to use.

[0006] Therefore, there is an urgent need in the market for a golf bag cart that is small in size when folded, easy to operate during the folding process, and has a reliable and stable folding mechanism. Utility Model Content

[0007] The purpose of this invention is to provide a folding mechanism and a golf bag cart to solve the problem of complex folding / unfolding operations for golf bags.

[0008] The folding mechanism and golf bag cart of this utility model are implemented as follows:

[0009] A folding mechanism for use on a golf bag cart;

[0010] When the main tube assembly is folded, the folding mechanism drives the rear wheel assembly to move along the axial direction of the rear wheel linkage assembly connected to it toward the frame, so as to fold the golf bag cart.

[0011] When the main assembly is unfolded, the folding mechanism drives the rear wheel assembly to move axially away from the frame along the rear wheel linkage assembly connected to it, so as to unfold the golf bag cart.

[0012] Furthermore, the folding mechanism includes a drive gear connected to the main component, a driven gear meshing with the drive gear, and a threaded pair that is driven by the driven gear and located within the rear wheel connecting rod assembly;

[0013] The rotation of the main component sequentially drives the drive gear and the driven gear to rotate, which in turn drives the rear wheel assembly to move along the axial direction of the rear wheel linkage assembly through the threaded pair, so as to fold or unfold the golf bag cart.

[0014] Secondly, this utility model also provides a folding mechanism that is applied to a golf bag cart;

[0015] The folding mechanism includes a drive gear connected to the main component, a driven gear meshing with the drive gear, and a threaded pair that is driven by the driven gear and located within the rear wheel connecting rod assembly.

[0016] The rotation of the main component sequentially drives the drive gear and the driven gear to rotate, and then drives the rear wheel assembly connected to it to move along the axial direction of the rear wheel linkage assembly through the threaded pair, so as to fold or unfold the golf bag cart.

[0017] Furthermore, the threaded pair includes a screw that rotates synchronously with the driven gear, and a threaded sleeve or internal thread structure located within the rear wheel connecting rod assembly and cooperating with the screw.

[0018] Furthermore, the threaded pair includes a threaded sleeve that rotates synchronously with the driven gear, and a screw located within the rear wheel connecting rod assembly and engaging with the threaded sleeve.

[0019] Furthermore, the screw is a bidirectional screw, with its two external threads located in the rear wheel linkage assemblies on both sides of the vehicle frame, and the driven gear is mounted on the bidirectional screw.

[0020] Furthermore, the rear wheel connecting rod assembly is a telescopic sleeve structure, which includes a telescopic tube with an internal threaded sleeve or internal thread structure, and a telescopic sleeve for accommodating the telescopic tube to extend and retract therein.

[0021] When the screw rotates, the telescopic tube connected to the screw can retract into or extend out of the corresponding telescopic sleeve.

[0022] Furthermore, the telescopic tube is connected to the corresponding rear wheel assembly, and the telescopic sleeve is connected to the vehicle frame.

[0023] Furthermore, when the main component is folded or unfolded, the folding mechanism can drive the front wheel component to fold or unfold synchronously.

[0024] Furthermore, the folding mechanism also includes a linkage rod at both ends that is connected to the drive gear and the front wheel assembly, respectively;

[0025] One end of the linkage rod is hinged to the drive gear, and the other end is hinged to the front hinge shaft mounted on the front wheel assembly.

[0026] Furthermore, the folding mechanism also includes a locking component for locking the main component in a folded or unfolded state.

[0027] Furthermore, the locking assembly includes a locking wrench and a locking pin mounted on the locking wrench, and the main component is provided with a locking groove;

[0028] The locking pin engages within the locking slot to lock the main component in the deployed state.

[0029] The locking pin engages within the tooth groove of the drive gear to lock the main assembly in a folded state.

[0030] Furthermore, the locking wrench is hinged to the frame; rotating the wrench opens the locking pin, which disengages from the locking groove or the tooth groove of the drive gear to unlock the main component in its unfolded or folded state. Moreover, this invention also provides a golf bag cart including the aforementioned folding mechanism.

[0031] Furthermore, the golf bag vehicle is an electric three-wheeled golf bag vehicle or an electric four-wheeled golf bag vehicle, and at least one of the two rear wheel assemblies of the golf bag vehicle is provided with a power system for driving the movement of the rear wheel.

[0032] Furthermore, the power system is an in-wheel power system, and the rear wheel linkage assembly of the golf bag cart is connected to the in-wheel power system.

[0033] Furthermore, the golf bag cart is a push-type three-wheeled golf bag cart or a push-type four-wheeled golf bag cart, that is, a golf bag cart without a power system.

[0034] Furthermore, the rear wheel linkage assembly of the golf bag cart is rotatably connected to the rear wheel.

[0035] After adopting the above technical solution, the beneficial effects of this utility model are as follows:

[0036] The folding mechanism disclosed in this utility model enables the rear wheel assembly of the golf bag cart to move linearly along the axis of the corresponding rear wheel linkage assembly when folding / unfolding. That is, when folding, the rear wheel assembly moves towards the frame along the axis of the rear wheel linkage assembly, and when unfolding, the rear wheel assembly moves away from the frame along the axis of the rear wheel linkage assembly. The operation is simple, occupies little operating space, and is convenient to use. Attached Figure Description

[0037] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0038] Figure 1 This is a schematic diagram from a first-view perspective of the folding mechanism (unfolded state) of Embodiment 1 of this utility model;

[0039] Figure 2 This is a schematic diagram from a second perspective of the folding mechanism (unfolded state and without locking components) of Embodiment 1 of this utility model;

[0040] Figure 3 This is a schematic diagram of the folding mechanism (in the unfolded state and assembled onto the vehicle frame) of Embodiment 1 of this utility model;

[0041] Figure 4 This is a cross-sectional view of the folding mechanism (in unfolded state and assembled onto the golf bag cart) of Embodiment 1 of this utility model in the axial direction of the rear wheel linkage assembly;

[0042] Figure 5 This is a schematic diagram of the folding mechanism (folded state) of Embodiment 1 of this utility model;

[0043] Figure 6 This is a cross-sectional view of the folding mechanism (folded state and assembled on the golf bag cart) of Embodiment 1 of this utility model in the axial direction of the rear wheel linkage assembly;

[0044] Figure 7 This is a cross-sectional view of the folding mechanism (in unfolded state and assembled onto the golf bag cart) of Embodiment 2 of this utility model in the axial direction of the rear wheel linkage assembly;

[0045] Figure 8 This is a cross-sectional view of the folding mechanism (folded state and assembled on the golf bag cart) of Embodiment 2 of this utility model in the axial direction of the rear wheel linkage assembly;

[0046] Figure 9 This is a schematic diagram from a first-view perspective of the folding mechanism (unfolded state) of Embodiment 3 of this utility model;

[0047] Figure 10 This is a schematic diagram from a second perspective of the folding mechanism (unfolded state and without locking components) of Embodiment 3 of this utility model;

[0048] Figure 11 This is a schematic diagram of the folding mechanism (in the unfolded state and assembled onto the frame) of Embodiment 3 of this utility model;

[0049] Figure 12 This is a cross-sectional view of the folding mechanism (in unfolded state and assembled onto the golf bag cart) of Embodiment 3 of this utility model in the front-rear direction of the vehicle frame;

[0050] Figure 13 This is a schematic diagram of the folding mechanism (folded state) of Embodiment 3 of this utility model;

[0051] Figure 14 This is a cross-sectional view of the folding structure (folded state and assembled onto the golf bag cart) of Embodiment 3 of this utility model in the front-rear direction of the frame;

[0052] Figure 15 This is a schematic diagram of the golf bag cart (in unfolded state) according to Embodiment 5 of this utility model;

[0053] Figure 16 This is a schematic diagram of the golf bag cart (folded state) according to Embodiment 5 of this utility model;

[0054] Figure 17 This is a schematic diagram of the golf bag cart (in unfolded state) according to Embodiment 6 of this utility model;

[0055] Figure 18 This is a schematic diagram of the golf bag cart (folded state) according to Embodiment 6 of this utility model;

[0056] Figure 19 This is a schematic diagram of the golf bag cart (in unfolded state) according to Embodiment 7 of this utility model;

[0057] Figure 20 This is a schematic diagram of the golf bag cart (folded state) according to Embodiment 7 of this utility model;

[0058] In the diagram: Folding mechanism 1, driving gear 1-1, screw 1-2, driven gear 1-3, locking wrench 1-4, locking pin 1-5, connecting shaft 1-6, arc-shaped through hole 1-7, linkage rod 1-8, clearance groove 1-9, rear hinge shaft 1-10, frame 2, arc-shaped clearance through hole 2-1, waist-shaped hole 2-2, front wheel assembly 3, front wheel frame 3-1, front wheel 3-2, front hinge shaft 3-3, rear wheel linkage assembly 4, telescopic tube 4-1, telescopic sleeve 4-2, threaded sleeve 4-3, positioning plate 4-4, rear wheel assembly 5, rear wheel 5-1, wheel-embedded power system 5-2, housing 5-3, motor 5-4, connecting seat 5-5, main pipe assembly 6, locking groove 6-1, rear rotating shaft 7, front rotating shaft 8. Detailed Implementation

[0059] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0060] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0061] Example 1

[0062] like Figure 1-6 As shown, a folding mechanism 1 is applied to a golf bag cart.

[0063] Specifically, this embodiment uses the folding mechanism applied to an electric tricycle golf bag cart as an example. The golf bag cart includes a frame 2, a front wheel assembly 3 located at the front of the frame 2, two rear wheel assemblies 5 located on both sides of the frame 2 and connected to the frame 2 by rear wheel linkage assemblies 4, and a main tube assembly 6 located above the frame 2.

[0064] The folding mechanism 1 disclosed in this embodiment achieves the function of simultaneously folding the two rear wheel linkage assemblies 4 and the rear wheel assembly 5 connected thereto when folding / unfolding the main tube assembly 6. The two rear wheel assemblies 5 move linearly along the axial direction of the rear wheel linkage assembly 4 connected thereto during the folding / unfolding process.

[0065] Specifically, when folding the main tube assembly 6, the folding mechanism 1 drives the rear wheel assembly 5 to move along the axis of the rear wheel linkage assembly 4 connected to it towards the direction closer to the frame 2, so as to fold the golf bag cart; when unfolding the main tube assembly 6, the folding mechanism 1 drives the rear wheel 5-1 to move along the axis of the rear wheel linkage assembly 4 connected to it towards the direction away from the frame 2, so as to unfold the golf bag cart.

[0066] In order to achieve synchronous folding / unfolding of the main component 6 driving the rear wheel component 5, the folding mechanism includes a driving gear 1-1 connected to the main component 6, a driven gear 1-3 meshing with the driving gear 1-1, and a threaded pair that is driven by the driven gear 1-3 and located in the rear wheel connecting rod assembly 4.

[0067] The lower end of the main guide assembly 6 extends into the frame 2, while the drive gear 1-1 is located at the bottom of the main guide assembly 6 (hidden inside the frame 2). The main guide assembly 6 rotates with the frame 2 through the rear rotating shaft 7 set on the axle of the drive gear 1-1, thereby forming a structure in which the main guide assembly 6 and the drive gear 1-1 rotate synchronously.

[0068] The rotation of the main component 6 sequentially drives the drive gear 1-1 and the driven gear 1-3 to rotate, and then drives the rear wheel component 5, which is connected to the rear wheel linkage component 4, to move along the axial direction of the rear wheel linkage component 4 through the threaded pair, so as to fold or unfold the golf bag cart.

[0069] Specifically, when the golf bag is folded, its main component 6 rotates forward and downward to fold above the frame 2. At this time, the driven gear 1-3 is driven to rotate by the drive gear 1-1, and through the transmission setting of the driven gear 1-3 and the threaded pair, the two rear wheel assemblies 5 move along the axial direction of the rear wheel linkage assembly 4 connected to it towards the frame 2, so as to fold the two rear wheel assemblies 5 to the sides of the frame 2.

[0070] When the golf bag is unfolded, its main component 6 rotates backward and upward to reset, driving the driven gear 1-3 to rotate through the drive gear 1-1. Through the transmission setting of the driven gear 1-3 and the threaded pair, the two rear wheel assemblies 5 move and reset along the axial direction of the rear wheel linkage assembly 4 connected to it, away from the frame 2, so as to unfold and reset the two rear wheel assemblies 5.

[0071] Among them, the drive gear 1-1 is a half gear, and its tooth surface curvature is sufficient to meet the folding / unfolding stroke of the rear wheel assembly 5. The tooth surface of the half gear can be hidden inside the frame 2 to reduce the chance of failure.

[0072] In order to enable the rear wheel assembly to move linearly by rotating the driven gear 1-3, the threaded pair includes a screw 1-2 that rotates synchronously with the driven gear 1-3, and a threaded sleeve 4-3 or an internal thread structure located in the rear wheel connecting rod assembly 5 and cooperating with the screw 1-2.

[0073] In this embodiment, a threaded sleeve 4-3 that mates with the screw 1-2 is provided inside the rear wheel linkage assembly 4. The driven gear 1-3 is rigidly connected to the screw 1-2 or is integrally formed with the screw 1-2. The driving gear 1-1 drives the driven gear 1-3 to rotate, and the screw 1-2 rotates synchronously with the driven gear 1-3. Then, the threaded sleeve 4-3 drives the rear wheel assembly 5, which is connected to the rear wheel linkage assembly 4, to move linearly toward the vehicle frame 2 or away from the vehicle frame 2.

[0074] Alternatively, an internal thread structure that mates with the thread can be directly installed inside the rear wheel link assembly 4, achieving the same effect.

[0075] To simplify the entire folding mechanism 1 and ensure the synchronicity of the folding / unfolding of the two rear wheel assemblies 5, the screw 1-2 is a bidirectional screw, with its two external threads located in the rear wheel linkage assemblies 4 on both sides of the frame 2, and the driven gear 1-3 is mounted on the bidirectional screw.

[0076] Specifically, the bidirectional screw is provided with two external threads with opposite helical directions, which are located in the rear wheel linkage assemblies 4 on both sides of the frame 2, so as to drive the folding / unfolding of the two rear wheel assemblies 5. The driven gear 1-3 is integrally set or fixed between the two external threads. When the driving gear 1-1 drives the driven gear 1-3 to rotate, the two rear wheel assemblies 5 can be driven to move in opposite directions along the axial direction of the corresponding rear wheel linkage assembly 4 through the two external threads.

[0077] When folding the golf bag, in order to shorten the distance between the two rear wheel assemblies 5 and bring them closer to the frame 2 to achieve the folding effect, the rear wheel linkage assembly 4 is a telescopic sleeve structure, which includes a telescopic tube 4-1 with a threaded sleeve 4-3 or an internal thread structure, and a telescopic sleeve 4-2 for accommodating the telescopic tube 4-1 to extend and retract therein. When the screw 1-2 rotates, the telescopic tube 4-1 connected to the screw 1-2 can retract into or extend out of the corresponding telescopic sleeve 4-2.

[0078] In this embodiment, a threaded sleeve 4-3 that mates with the external thread of the bidirectional screw 1-2 is provided inside the telescopic tube 4-1. There is one telescopic sleeve 4-2 that passes laterally through the rear end of the frame 1. There are two telescopic tubes 4-1 that are located at both ends of the telescopic sleeve 4-2. The bidirectional screw 1-2 is provided inside the telescopic sleeve 4-2. The two external threaded portions of the bidirectional screw 1-2 extend into the corresponding telescopic tube 4-1 and mate with the threaded sleeve 4-3 inside the corresponding telescopic tube 4-1.

[0079] In addition, the driven gear 1-3 is located inside the telescopic sleeve 4-2, and positioning plates 4-4 are respectively provided on both sides of the driven gear 1-3 and the bidirectional screw 1-2 for axial positioning. The positioning plates 4-4 are fixed inside the telescopic sleeve 4-2.

[0080] When the driving gear 1-1 drives the driven gear 1-3 and the double-acting screw to rotate, the telescopic tube 4-1 moves linearly in the axial direction of the double-acting screw (which is also the axial direction of the rear wheel connecting rod assembly 4) under the drive of the double-acting screw, so that the telescopic tube 4-1 extends out from both ends of the telescopic sleeve 4-2 or retracts into the telescopic sleeve 4-2 from both ends of the telescopic sleeve 4-2.

[0081] Alternatively, the above function can also be achieved by directly setting an internal thread structure inside the telescopic tube 4-1 that mates with the external thread of the bidirectional screw 1-2.

[0082] The rear wheel linkage assembly 4 needs to be shaped to prevent the telescopic tube 4-1 from rotating with the bidirectional screw 1-2. In this embodiment, the cross-section of the rear wheel linkage assembly 4 is L-shaped, but it is not limited to this shape. In this embodiment, the telescopic tube 4-1 is connected to the corresponding rear wheel assembly 5, and the telescopic sleeve 4-2 that cooperates with the telescopic tube 4-1 is connected to the frame 2.

[0083] In this embodiment, a power system is provided in both rear wheel assemblies 5 of the golf bag cart. The outer ends of the corresponding two telescopic tubes 4-1 are fitted into the rear wheel assembly 5 and connected to the power system of the rear wheel assembly 5. The power output shaft of the power system is directly connected to the rear wheel 5-1, so as not to affect the rotation of the rear wheel 5-1.

[0084] After the golf cart is folded or unfolded, its state needs to be locked. To achieve this, the folding mechanism 1 also includes a locking component for locking the main component 6 to the folded or unfolded state.

[0085] In this embodiment, the locking assembly includes a locking wrench 1-4 and a locking pin 1-5 mounted on the locking wrench 1-4, and the main control assembly 6 is provided with a locking groove 6-1.

[0086] The locking pins 1-5 are engaged in the locking slots 6-1 to lock the main component 6 in the unfolded state;

[0087] The locking pin 1-5 engages within the tooth groove of the drive gear 1-1 to lock the main component 6 in a folded state.

[0088] To facilitate unlocking for folding / unfolding operations on the golf bag cart, a locking wrench 1-4 is hinged to the frame 2. Rotating the locking wrench 1-4 opens the locking pin 1-5, which disengages from the locking groove 6-1 or the tooth groove of the drive gear 1-1, thereby unlocking the main control assembly 6 to its unfolded or folded state.

[0089] Specifically, a locking groove 6-1 is provided on the rear wall of the lower end of the main component 6, which cooperates with the locking component located at the rear end of the frame 2.

[0090] The rear end of the frame 2 has mounting openings near both sides. The two side plates of the locking wrench 1-4 are rotatably mounted in these mounting openings via a transverse connecting shaft 1-6. In the locked state, the lever of the locking wrench 1-4 is attached to the rear wall of the frame 2. The inner side of the side plate of the locking wrench 1-4 is provided with an arc-shaped through hole 1-7, and the locking pin 1-5 is transversely positioned in the two arc-shaped through holes 1-7.

[0091] Rotate the lever of locking wrench 1-4 upwards. Under the action of the arc-shaped through hole 1-7, locking pin 1-5 disengages from the locking groove 6-1 or the tooth groove of the drive gear 1-1, thereby unlocking the golf bag cart and allowing it to be unfolded or folded. Rotate the lever of locking wrench 1-4 downwards to reset it (so that it fits against the rear wall of the frame 2). Under the action of the arc-shaped through hole 1-7, locking pin 1-5 engages with one of the tooth grooves of locking groove 6-1 or the drive gear 1-1, thereby locking the unfolded / folded state.

[0092] Preferably, the rear ends of the frame 2 are provided with waist-shaped holes 2-2 on both sides to accommodate the movement of locking pins 1-5.

[0093] The structure of the locking component is not limited to the one described in this embodiment; any structure that can achieve the locking of the golf bag cart in the folded / unfolded state is acceptable.

[0094] The folding mechanism provided in this embodiment has a simple overall structure and is easy to maintain. It can not only simplify the folding / unfolding process of golf bag carts, but also has good overall stability.

[0095] Example 2

[0096] like Figure 7-8 As shown, based on Embodiment 1, this embodiment also provides a folding mechanism, whose structure is roughly the same as that of Embodiment 1, except that: the threaded pair includes a threaded sleeve 4-3 that rotates synchronously with the driven gear 1-3, and a screw 1-2 located in the rear wheel connecting rod assembly 4 and cooperating with the threaded sleeve 4-3.

[0097] This embodiment takes the folding mechanism as an example when it is assembled on a hand-pushed three-wheeled ball bag cart. The telescopic tube 4-1 of the rear wheel linkage assembly 4 is rotatably engaged with the corresponding rear wheel 5-1 through a connecting seat 5-5. That is, the outer end of the telescopic tube 4-1 is fixed on the connecting seat 5-5, and the rotating shaft rotatably set inside the connecting seat 5-5 is connected to the center of the wheel hub of the rear wheel 5-1.

[0098] Specifically, a threaded sleeve 4-3 is rigidly connected (e.g., welded) to both sides of the driven gear 1-3. Each threaded sleeve 4-3 is fitted with a screw 1-2. The outer end of the screw 1-2 is fixedly connected to the telescopic tube 4-1 on its side. When the driven gear 1-3 rotates under the drive of the driving gear 1-1, the threaded sleeve 4-3 rotates synchronously with the driven gear 1-3. The screw 1-2, which is engaged with the threaded sleeve 4-3, will drive the telescopic tube 4-1 connected to it to move linearly in the axial direction of the screw 1-2 (which is also the axial direction of the rear wheel linkage assembly 4 or the threaded sleeve 4-3). That is, the telescopic tube 4-1 drives the rear wheel 5-1 assembly connected to it to move towards the direction closer to the frame 2 to fold the golf bag cart, or the telescopic tube 4-1 drives the rear wheel 5-1 assembly connected to it to move away from the frame 2 to unfold the golf bag cart.

[0099] Example 3

[0100] like Figure 9-14 As shown, based on Embodiment 1, this embodiment also provides a folding mechanism, whose structure is largely the same as that of Embodiment 1, except that:

[0101] When the main component 6 is folded or unfolded, the folding mechanism 1 can simultaneously drive the front wheel component 3 to fold or unfold.

[0102] The folding mechanism 1 provided in this embodiment can, in addition to driving the two rear wheel assemblies 5 to fold / unfold synchronously by rotating the main tube assembly 6 as described in Embodiment 1, also drive the front wheel assembly 3 to fold / unfold simultaneously.

[0103] In this embodiment, the folding mechanism 1 also includes a linkage rod 1-8 with both ends connected to the drive gear 1-1 and the front wheel assembly 3 respectively; one end of the linkage rod 1-8 is hinged to the drive gear 1-1, and the other end is hinged to the front hinge shaft 3-3 on the front wheel assembly 3.

[0104] Specifically, the linkage 1-8 is located inside the frame 2. The front wheel frame 3-1 of the front wheel assembly 3 is rotatably mounted on the front of the frame 2 via a front rotating shaft 8. A transverse front hinge shaft 3-3 is provided on the front wheel frame 3-1. The front end of the linkage 1-8 is rotatably mounted on the front hinge shaft 3-3. A rear hinge shaft 1-10 is provided on the drive gear 1-1. The rear end of the linkage 1-8 is rotatably mounted on the rear hinge shaft 1-10. When the drive gear 1-1 rotates with the main tube assembly 6, the linkage 1-8 can drive the front wheel assembly 3 to rotate downward around the front rotating shaft 8 and fold down to the bottom of the frame 2, or rotate upward to reset and unfold.

[0105] Preferably, the front side of the axle of the drive gear 1-1 is provided with a clearance groove 1-9 to provide space for the movement of the linkage rod 1-8 during the folding process.

[0106] Preferably, the front sides of the frame 2 are provided with arc-shaped clearance holes 2-1 to provide movement space for the front hinge shaft 3-3.

[0107] Example 4

[0108] Based on Embodiment 1, this embodiment also provides a folding mechanism, the structure of which is roughly the same as the folding mechanism disclosed in Embodiment 1. The difference is that the folding mechanism has two screws 1-2, which are located in the rear wheel linkage assembly 4 on both sides of the frame 2 respectively. The threads on the two screws 1-2 are opposite, and the inner ends of the two screws 1-2 are connected to the driven gear 1-3 through a universal joint.

[0109] In this embodiment, there are two rear wheel linkage assemblies 4 (each connected to one of the two rear wheel assemblies 5). Each rear wheel linkage assembly 4 has a corresponding screw 1-2 and includes a telescopic sleeve 4-2 and a telescopic tube 4-1. The driven gear 1-3 is assembled in the frame 2 and meshes with the driving gear 1-1. The driven gear 1-3 is axially positioned by the positioning plate 1-11. The two ends of the central shaft of the driven gear 1-3 pass through the positioning plate 1-11 on the corresponding side and are connected to the screw 1-2 on the same side by a universal joint, so as to realize the purpose of the driven gear 1-3 driving the rear wheel linkage assembly 4 to extend and retract through the screw 1-2.

[0110] In this embodiment, the folding mechanism can have a tilted design for its rear wheel linkage assembly 4. That is, the axial direction of the rear wheel linkage assembly 4 does not have to be perpendicular to the front-rear direction of the frame 2. The outer end of the rear wheel linkage assembly 4 can be tilted forward or backward as needed.

[0111] Example 5

[0112] like Figure 15-16 As shown, based on Embodiment 3, this embodiment provides a golf bag cart, including the folding mechanism 1 described in Embodiment 3.

[0113] The golf bag cart in this embodiment is an electric three-wheeled golf bag cart. The front wheel assembly of the golf bag cart includes a front wheel frame 3-1 and a front wheel 3-2 mounted on the front wheel frame.

[0114] In order to provide power to the golf bag cart, at least one of the two rear wheel assemblies 5 of the golf bag cart is provided with a power system for driving the rear wheel 5-1 to move.

[0115] In this embodiment, a power system is installed in both rear wheels 5-1.

[0116] The power system in this embodiment is a wheel-integrated power system 5-2, and the rear wheel linkage assembly 4 of the golf bag cart is connected to the wheel-integrated power system 5-2.

[0117] Specifically, the wheel-integrated power system 5-2 includes a motor 5-4 and a worm wheel that meshes with the output worm of the motor 5-4. The central shaft of the worm wheel is directly connected to the hub of the corresponding rear wheel 5-1 to drive the rear wheel 5-1 to rotate. A housing 5-3 is provided outside the worm wheel, and the outer end of the telescopic tube 4-1 of the wheel assembly is connected to the housing 5-3.

[0118] In this embodiment, the telescopic tube 4-1 is located on the front side of the wheel-in-built power system 5-2, and the wheel-in-built power system 5-2 is arranged with the motor 5-4 on the upper side and the housing 5-3 on the lower side, so as to leave installation space for the telescopic tube 4-1.

[0119] Example 6

[0120] like Figure 17-18 As shown in the figure, based on embodiment 5, this embodiment also provides a golf bag cart, which has a structure that is roughly the same as that of embodiment 4. The difference is that the golf bag cart is a hand-pushed three-wheeled golf bag cart, and the rear wheel linkage assembly 4 of the golf bag cart is rotatably connected to the rear wheel 5-1.

[0121] In this embodiment, the connection method between the rear wheel connecting assembly 4 and the rear wheel assembly 5 can refer to Embodiment 2, that is, the outer end of the telescopic tube 4-1 of the rear wheel connecting rod assembly 4 is provided with a connecting seat 5-5, and the connecting seat 5-5 is rotatably engaged with the corresponding rear wheel 5-1 (such as the rotating shaft set in the connecting seat 5-5 through a bearing is connected to the wheel hub of the rear wheel 5-1). This can ensure the stability of the rear wheel connecting rod assembly 4 without affecting the rotation of the rear wheel 5-1.

[0122] Example 7

[0123] like Figures 19-20 As shown, based on Embodiment 5, this embodiment also provides a golf bag cart, whose structure is roughly the same as that of Embodiment 5. The difference is that the golf bag cart is an electric four-wheeled golf bag cart, and the front wheel assembly of the golf bag cart includes a front wheel frame 3-1 and two front wheels 3-2 mounted on the front wheel frame.

[0124] Correspondingly, the folding mechanism can also be applied to a push-type four-wheeled ball bag cart. The specific connection structure between the folding mechanism 1 and the rear wheel assembly 5 can be referred to the connection method in Embodiment 6.

[0125] When the folding mechanism 1 provided by this utility model is applied to a golf bag cart, it can not only realize the linkage operation of folding / unfolding, but also the two rear wheel assemblies 5 can move linearly along the axis of the corresponding rear wheel linkage assembly 4, which can greatly save the operation space of folding / unfolding the golf bag cart, making the operation process simpler and more convenient to use.

[0126] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A folding mechanism, characterized in that, The folding mechanism (1) is applied to golf bag carts; When the main tube assembly (6) is folded, the rear wheel assembly (5) is driven by the folding mechanism (1) to move along the axis of the rear wheel linkage assembly (4) connected to it toward the direction closer to the frame (2) so as to fold the golf bag cart; When the main unit (6) is unfolded, the rear wheel assembly (5) is driven by the folding mechanism (1) to move away from the frame (2) along the axis of the rear wheel linkage assembly (4) connected to it, so as to unfold the golf bag cart.

2. The folding mechanism according to claim 1, characterized in that, The folding mechanism (1) includes a drive gear (1-1) connected to the main component (6), a driven gear (1-3) meshing with the drive gear (1-1), and a threaded pair that is driven by the driven gear (1-3) and located in the rear wheel connecting rod assembly (4); The rotation of the main component (6) sequentially drives the drive gear (1-1) and driven gear (1-3) to rotate, and then drives the rear wheel component (5) to move along the axial direction of the rear wheel linkage component (4) through the threaded pair, so as to fold or unfold the golf bag cart.

3. A folding mechanism, characterized in that, The folding mechanism (1) is applied to golf bag carts; The folding mechanism (1) includes a drive gear (1-1) connected to the main component (6), a driven gear (1-3) meshing with the drive gear (1-1), and a threaded pair that is driven by the driven gear (1-3) and located in the rear wheel connecting rod assembly (4); The rotation of the main component (6) sequentially drives the drive gear (1-1) and the driven gear (1-3) to rotate, and then drives the rear wheel component (5) connected to the rear wheel linkage component (4) to move along the axial direction of the rear wheel linkage component (4) through the threaded pair, so as to fold or unfold the golf bag cart.

4. The folding mechanism according to claim 2 or 3, characterized in that, The threaded pair includes a screw (1-2) that rotates synchronously with the driven gear (1-3), and a threaded sleeve (4-3) or internal thread structure located in the rear wheel connecting rod assembly (4) and cooperating with the screw (1-2).

5. The folding mechanism according to claim 2 or 3, characterized in that, The threaded pair includes a threaded sleeve (4-3) that rotates synchronously with the driven gear (1-3), and a screw (1-2) located in the rear wheel connecting rod assembly (4) and cooperating with the threaded sleeve (4-3).

6. The folding mechanism according to claim 4, characterized in that, The screw (1-2) is a bidirectional screw (1-2), with its two external threads located in the rear wheel linkage assembly (4) on both sides of the frame (2), and the driven gear (1-3) is mounted on the bidirectional screw (1-2).

7. The folding mechanism according to claim 4, characterized in that, The rear wheel connecting rod assembly (4) is a telescopic sleeve (4-2) tube structure, which includes a telescopic tube (4-1) with a threaded sleeve (4-3) or an internal thread structure, and a telescopic sleeve (4-2) for accommodating the telescopic tube (4-1) to extend and retract therein; When the screw (1-2) rotates, the telescopic tube (4-1) connected to the screw (1-2) can retract into or extend out of the corresponding telescopic sleeve (4-2).

8. The folding mechanism according to claim 7, characterized in that, The telescopic tube (4-1) is connected to the corresponding rear wheel assembly (5), and the telescopic sleeve (4-2) is connected to the frame (2).

9. The folding mechanism according to claim 2 or 3, characterized in that, When the main component (6) is folded or unfolded, the folding mechanism (1) can drive the front wheel component (3) to fold or unfold synchronously.

10. The folding mechanism according to claim 9, characterized in that, The folding mechanism (1) also includes a linkage rod (1-8) with its two ends connected to the drive gear (1-1) and the front wheel assembly (3) respectively; One end of the linkage rod (1-8) is hinged to the drive gear (1-1), and the other end is hinged to the front hinge shaft (3-3) provided on the front wheel assembly (3).

11. The folding mechanism according to claim 2 or 3, characterized in that, The folding mechanism (1) also includes a locking component for locking the main component (6) in a folded or unfolded state.

12. The folding mechanism according to claim 11, characterized in that, The locking assembly includes a locking wrench (1-4) and a locking pin (1-5) mounted on the locking wrench (1-4), and the main assembly (6) is provided with a locking groove (6-1); The locking pin (1-5) engages in the locking groove (6-1) to lock the main component (6) in the unfolded state; The locking pin (1-5) engages in the tooth groove of the drive gear (1-1) to lock the main assembly (6) in a folded state.

13. The folding mechanism according to claim 12, characterized in that, The locking wrench (1-4) is hinged to the frame (2). When the locking wrench (1-4) is turned to open, the locking pin (1-5) disengages from the locking groove (6-1) or the tooth groove of the drive gear (1-1) to unlock the main component (6) in its unfolded or folded state.

14. A golf bag cart, characterized in that, Includes the folding mechanism (1) as described in any one of claims 1-13.

15. The golf bag cart according to claim 14, characterized in that, The golf bag cart is an electric three-wheeled golf bag cart or an electric four-wheeled golf bag cart, and at least one of the two rear wheel assemblies (5) of the golf bag cart is provided with a power system for driving the rear wheel (5-1) to move.

16. The golf bag cart according to claim 15, characterized in that, The power system is a wheel-integrated power system (5-2), and the rear wheel linkage assembly (4) of the golf bag is connected to the wheel-integrated power system (5-2).

17. The golf bag cart according to claim 14, characterized in that, The golf bag cart is either a three-wheeled or four-wheeled push-type golf bag cart.

18. The golf bag cart according to claim 15 or 17, characterized in that, The rear wheel linkage assembly (4) of the golf bag cart is rotatably connected to the rear wheel (5-1).

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