CN218392136U

CN218392136U - Golf cart

Info

Publication number: CN218392136U
Application number: CN202221456315.3U
Authority: CN
Inventors: 蔡龙呈; 朱铁文
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2023-01-31
Anticipated expiration: 2032-06-10

Abstract

The utility model discloses a golf cart, including the frame that has expansion state and fold condition, can set up with rotating wheel subassembly on the frame with be used for with the frame with the locking mechanical system of wheel subassembly's relative position locking still includes and works as order about after the locking mechanical system unblock wheel subassembly is automatic to with the frame is drawn close together the first elastic component of direction pivoted, the both ends of first elastic component set up respectively the frame with on the wheel subassembly, work as when locking mechanical system is in lock state, elastic deformation takes place and the energy storage for first elastic component. When this golf cart is folding, need not artificial manual upset wheel subassembly, the elastic force through first elastic component can realize that wheel subassembly's rotation is folding for golf cart's folding convenient operation facilitates the use.

Description

Golf cart

Technical Field

The utility model relates to a children's articles for use technical field, concretely relates to golf cart.

Background

In order to facilitate carrying and storage of the golf cart, some golf carts are foldable, and such golf carts generally include a foldable frame and a wheel assembly rotatably disposed at the bottom of the frame. When the golf cart is folded, the wheel assembly can rotate relative to the cart frame and is close to the cart frame, so that the volume of the structure after the golf cart is folded is smaller. In the prior art, when the wheel assembly is folded, the wheel assembly needs to be manually turned to enable the wheel assembly to rotate relative to the frame and to be close to the frame, so that the folding operation of the golf cart is inconvenient and inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a golf cart aiming at the defects in the prior art, which can automatically turn over and draw close to the frame after the locking mechanism is unlocked.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

a golf cart comprises a cart frame, a wheel assembly and a locking mechanism, wherein the cart frame is in an unfolded state and a folded state, the wheel assembly is rotatably arranged on the cart frame, the locking mechanism is used for locking the relative position of the cart frame and the wheel assembly, the locking mechanism further comprises a first elastic piece which drives the wheel assembly to automatically rotate towards the direction close to the cart frame after being unlocked, two ends of the first elastic piece are respectively arranged on the cart frame and the wheel assembly, and when the locking mechanism is in the locked state, the first elastic piece is elastically deformed to store energy.

Preferably, the locking mechanism includes a locking member slidably disposed between the frame and the wheel assembly, the locking member being engaged with the frame and the wheel assembly respectively when the locking mechanism is in a locked state, and the locking member being engaged with one of the frame and the wheel assembly and disengaged from the other when the locking mechanism is in an unlocked state.

Further, the golf cart further comprises a driving mechanism for driving the locking mechanism to be unlocked during the folding process of the cart frame, wherein the driving mechanism comprises a first sliding part which can be slidably arranged on the cart frame and a gear which can be rotatably arranged on the cart frame, the first sliding part comprises a body and a rack which is arranged at one end part of the body and is meshed with the gear, and the gear is matched with the locking piece.

In a specific embodiment, one of the gear and the locking member is provided with a convex portion, the other is provided with a concave portion matched with the convex portion, the convex portion is provided with a first inclined surface, the concave portion is provided with a second inclined surface matched with the first inclined surface, when the locking mechanism is in a locking state, the convex portion is located in the concave portion, and the first inclined surface and the second inclined surface are abutted and matched.

Preferably, along the circumferential direction of the rotation of the gear, a plurality of groups of the convex parts and the concave parts are arranged in a one-to-one correspondence manner, each group of the convex parts is provided with the first inclined planes, and each group of the concave parts is provided with the second inclined planes.

Further, the frame comprises a bottom bracket extending in the front-back direction and a second sliding piece arranged on the bottom bracket in a sliding manner along the length extension direction of the bottom bracket, the first sliding piece is arranged on the bottom bracket in a sliding manner along the length extension direction of the bottom bracket, and when the frame is folded, the second sliding piece can slide relative to the bottom bracket and is matched with the first sliding piece to drive the first sliding piece to slide relative to the bottom bracket.

Furthermore, the bottom bracket is provided with a tube cavity extending along the length direction of the bottom bracket, the first sliding part comprises a body and a matching part arranged on the body, the body can be arranged in the tube cavity of the bottom bracket in a sliding mode, the matching part is located outside the tube cavity, and the second sliding part can slide relative to the bottom bracket and abut against the matching part to be matched so as to drive the first sliding part to slide relative to the bottom bracket.

Further, the frame, the wheel assembly and the gear are coaxially and rotatably connected through a rotating shaft.

Further, the frame includes the bottom bracket that extends along the fore-and-aft direction, the bottom bracket sets up respectively in the left and right sides, the wheel subassembly includes the wheel joint, locking mechanical system sets up respectively the left and right sides of wheel joint with correspond one side between the bottom bracket, actuating mechanism corresponds locking mechanical system sets up in the left and right sides, first elastic component sets up respectively the left and right sides of wheel joint with correspond one side between the bottom bracket.

Further, the golf cart further comprises a second elastic member for driving the locking member to slide in a direction for returning the locking mechanism from the unlocked state to the locked state, wherein one end of the second elastic member is disposed on the bottom bracket or the wheel assembly, and the other end of the second elastic member is disposed on the locking member, and/or the golf cart further comprises a driving mechanism for driving the locking mechanism to be unlocked during folding of the frame, wherein the driving mechanism comprises a first sliding member slidably disposed on the frame, the golf cart further comprises a third elastic member for driving the first sliding member to slide reversely and return, wherein one end of the third elastic member is disposed on the frame, and the other end of the third elastic member is disposed on the first sliding member.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a golf cart when locking mechanical system is in the lock-out state, elastic deformation takes place and the energy storage for first elastic component, and after the locking mechanical system unblock, elastic component resumes elastic deformation, and the elastic force that its produced orders about the wheel subassembly and rotates to the direction of drawing close together mutually with the frame automatically. Like this, when the golf cart is folding, need not the rotation that the wheel subassembly can realize the wheel subassembly of artificial manual upset and fold for the folding convenient operation of golf cart facilitates the use.

Drawings

FIG. 1 is a perspective view of the golf cart of this embodiment in a deployed state;

FIG. 2 is a schematic side view of the golf cart of this embodiment in a deployed state;

FIG. 3 is an exploded view of the connection portion between the frame and the wheel assembly of the golf cart of this embodiment;

FIG. 4 is a schematic view showing the structure of the locking member of the golf cart in accordance with the present embodiment;

FIG. 5 is a schematic structural view of gears of the golf cart of the present embodiment;

FIG. 6 is a schematic side view of the golf cart of this embodiment during folding;

fig. 7 is a side view of the golf cart of this embodiment in a collapsed position.

Wherein: 1. a frame; 11. a bottom bracket; 111. a first tooth slot; 12. a second slider; 2. a wheel assembly; 21. a wheel joint; 211. a second tooth slot; 22. a wheel; 3. a rotating shaft; 4. a locking member; 41. a locking tooth; 42. a recess; 421. a second inclined plane; 5. a second elastic member; 61. a first slider; 611. a body; 612. a rack; 613. a fitting portion; 62. a gear; 621. a convex portion; 621a, a first inclined plane; 7. a third elastic member; 8. a first elastic member.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 7, the golf cart of the present invention has an unfolded state and a folded state, and includes a frame 1 and a wheel assembly 2, the wheel assembly 2 is rotatably disposed at the bottom of the frame 1 through a rotating shaft 3, and the rotating shaft 3 extends in the left and right directions.

The vehicle frame 1 includes a bottom bracket 11, the bottom bracket 11 extends in the front-rear direction, and the bottom bracket 11 is disposed on the left and right sides, respectively.

The wheel assembly 2 includes a wheel joint 21 and a wheel 22. The left and right sides of one end of the wheel joint 21 are rotatably connected to the front end of the corresponding bottom bracket 11 via the rotating shaft 3, and the wheel 22 is rotatably provided at the other end of the wheel joint 21. The wheel joint 21 can drive the wheel 22 to rotate around the rotating shaft 3 relative to the bottom bracket 11 to a position in front of the bottom bracket 11 or to be accommodated below the bottom bracket 11.

The golf cart further comprises a locking mechanism for locking the relative positions of the frame 1 and the wheel assembly 2, the locking mechanism having a locked state and an unlocked state. When the golf cart is in the unfolded state, the locking mechanism is in the locked state, and the wheel connector 21 and the bottom bracket 11 are relatively fixed and cannot rotate relatively. When the locking mechanism is in the unlocked state, the wheel connector 21 can be rotated relative to the base support 11 to fold the golf cart or unfold the golf cart.

The locking mechanisms are respectively provided between the left and right sides of the wheel joint 21 and the bottom brackets 11 on the corresponding side. The locking mechanism on each side comprises a locking piece 4, and the locking piece 4 is sleeved on the rotating shaft 3 and can be arranged between the bottom bracket 11 and the wheel connector 21 in a sliding manner along the axial direction of the rotating shaft 3. When the locking mechanism is in the locked state, the locking member 3 cooperates with the wheel adapter 21 and the bottom bracket 11, respectively. When the locking mechanism is in the unlocked state, the locking member 3 engages with one of the two parts of the wheel adapter 21 and the bottom bracket 11 and disengages from the other.

In a specific embodiment, as shown in fig. 3 and 4, the locking member 4 is provided with a locking tooth 41, the bottom bracket 11 is provided with a first tooth groove 111 engaged with the locking tooth 41, and the wheel adapter 21 is provided with a second tooth groove 211 engaged with the locking tooth 41. When the lock mechanism is in the locked state, the lock teeth 41 on the lock member 4 are engaged with the first and

second tooth grooves

111 and 211, respectively. When the lock mechanism is in the unlocked state, the lock teeth 41 are engaged with one of the first and

second tooth grooves

111 and 211 and disengaged from the other. In this embodiment, when the lock mechanism is in the unlocked state, the lock teeth 41 are engaged with the second tooth grooves 211 and disengaged from the first tooth grooves 111.

The golf cart further includes a second elastic member 5, and an elastic force of the second elastic member 5 is used to drive the locking member 4 to slide in a direction in which the locking teeth 41 are engaged with the first teeth grooves 111, i.e., an elastic force of the second elastic member 5 is used to drive the locking mechanism to return from the unlocked state to the locked state.

In the present embodiment, one end of the second elastic member 5 is provided on the wheel adapter 21, and the other end of the second elastic member 5 is provided on the locking member 4.

The golf cart further includes a drive mechanism movably disposed on the bottom bracket 11, wherein when the golf cart is folded from the unfolded state, the drive mechanism moves relative to the bottom bracket 11 to unlock the locking mechanism. Therefore, when the golf trolley is folded, the locking mechanism is unlocked without being operated independently, so that the folding operation of the golf trolley is convenient. The driving mechanisms are respectively arranged on the bottom brackets 11 on the corresponding sides corresponding to the arrangement positions of the locking mechanisms.

The drive mechanism of each side includes a first slider 61 and a gear 62. The first slider 61 is slidably provided on the base bracket 11 in the longitudinal extension direction of the base bracket 11, and the gear 62 is rotatably provided on the base bracket 11. In this embodiment, the bottom bracket 11, the wheel joint 21 and the gear 62 are coaxially and rotatably connected through the rotating shaft 3.

The first slider 61 includes a body 611 and a rack 612 provided at one end of the body 611, and the rack 612 is engaged with the gear 62. The gear 62 cooperates with the locking element 4. The frame 1 further comprises a second slide 12, the second slide 12 being slidably arranged on the bottom bracket 11 in the direction of the longitudinal extension of the bottom bracket 11.

In this embodiment, the gear 62 is located between the lock member 4 and the base bracket 11 in the axial direction of the rotary shaft 3.

When the golf cart is folded, the second sliding part 12 can be matched with the first sliding part 61 when sliding relative to the bottom bracket 11, so that the first sliding part 61 is driven to slide relative to the bottom bracket 11, namely, the rack 612 moves along the length direction of the bottom bracket 11, the gear 62 can be driven to rotate relative to the bottom bracket 11 through the meshing of the rack 612 and the gear 62, and the locking part 4 can be driven to slide relative to the bottom bracket 11 and the wheel joint 21 in the direction away from the bottom bracket 11 through the matching of the gear 62 and the locking part 4, so that the locking mechanism is unlocked.

The engagement of the gear 62 with the locking member 4 is: as shown in fig. 3 to 5, one of the gear 62 and the locking member 4 is provided with a convex portion 621, the other is provided with a concave portion 42 matching the convex portion 621, the convex portion 621 is provided with a first inclined surface 621a, and the concave portion 42 is provided with a second inclined surface 421 matching the first inclined surface 621 a. When the locking mechanism is in the locked state, the convex portion 621 is located in the concave portion 42, and the first inclined surface 621a is in abutting engagement with the second inclined surface 421.

In this embodiment, along the circumferential direction of the rotation of the gear 62, a plurality of sets of the convex portions 621 and the concave portions 42 are provided in a one-to-one correspondence manner, each set of the convex portions 621 is provided with a first inclined surface 621a, and each set of the concave portions 42 is provided with a second inclined surface 421. Make locking mechanical system unblock in-process like this, locking piece 4 atress is more even, and difficult the emergence is twistd reverse to avoid appearing locking piece 4 card and dying can not slide, make the problem that locking mechanical system can not the unblock.

The bottom chassis 11 has a lumen extending in a length direction thereof, and the first slider 61 further includes a fitting portion 613 provided at the other end portion of the body 611. The body 611 is slidably disposed in a lumen of the bottom bracket 11, which provides a neat and attractive appearance to the golf cart. The fitting portion 613 protrudes outside the lumen of the bottom chassis 11. When the golf cart folds the second sliding part 12 to slide relative to the bottom bracket 11, the second sliding part 12 can abut against the engaging portion 613, so as to drive the first sliding part 61 to slide relative to the bottom bracket 11 in the same direction as the second sliding part 12.

In this embodiment, when the golf cart is in the unfolded state, the second sliding member 12 is far away from the engaging portion 613, and when the golf cart is folded and the second sliding member 12 slides forward relative to the bottom bracket 11 for a certain distance, the second sliding member 12 abuts against and engages with the engaging portion 613. In other embodiments, the second sliding member 12 may be fixedly connected to or integrally disposed with the engaging portion 613.

The golf cart further comprises a third elastic member 7, the elastic force of the third elastic member 7 is used for driving the first sliding member 61 to slide and reset reversely, one end of the third elastic member 7 is arranged on the bottom bracket 11, and the other end of the third elastic member 7 is arranged on the first sliding member 61.

The golf cart further includes a first elastic member 8, one end of the first elastic member 8 is disposed on the bottom bracket 11, and the other end of the first elastic member 8 is disposed on the wheel connector 21.

When the locking mechanism is in the locked state, the first elastic member 8 is elastically deformed to store energy. When the locking mechanism is in the unlocking state, the first elastic element 8 restores the elastic force generated by the elastic deformation to drive the wheel assembly 2 to automatically rotate towards the direction close to the frame 1 to be close to the frame 1. Therefore, when the golf cart is folded, the wheel assembly 2 can be rotated and folded without manually turning the wheel assembly 2, so that the folding operation of the golf cart is convenient.

In this embodiment, the first elastic member 8 is a torsion spring. The first elastic members 8 are respectively disposed between the left and right sides of the wheel joint 21 and the bottom brackets 11 on the corresponding side.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A golf cart comprising a cart frame having an unfolded state and a folded state, a wheel assembly rotatably provided on the cart frame, and a locking mechanism for locking the relative positions of the cart frame and the wheel assembly, characterized in that: the bicycle wheel assembly locking mechanism is characterized by further comprising a first elastic piece which drives the wheel assembly to automatically rotate in the direction of approaching the bicycle frame after the locking mechanism is unlocked, two end parts of the first elastic piece are respectively arranged on the bicycle frame and the wheel assembly, and when the locking mechanism is in a locking state, the first elastic piece is elastically deformed to store energy.

2. The golf cart of claim 1, wherein: the locking mechanism includes a locking member slidably disposed between the frame and the wheel assembly, the locking member being engaged with the frame and the wheel assembly, respectively, when the locking mechanism is in a locked state, and engaged with one of the frame and the wheel assembly and disengaged from the other when the locking mechanism is in an unlocked state.

3. The golf cart of claim 2, wherein: the golf cart further comprises a driving mechanism used for driving the locking mechanism to be unlocked in the folding process of the cart frame, the driving mechanism comprises a first sliding part which can be arranged on the cart frame in a sliding mode and a gear which can be arranged on the cart frame in a rotating mode, the first sliding part comprises a body and a rack which is arranged at one end of the body and meshed with the gear, and the gear is matched with the locking piece.

4. The golf cart of claim 3, wherein: the gear with be provided with on one of the locking piece two convex part, be provided with on the other with convex part matched with concave part, be provided with first inclined plane on the convex part, be provided with on the concave part with first inclined plane assorted second inclined plane, work as locking mechanism is in the locking state, the convex part is located in the concave part, just first inclined plane with the cooperation is established in the counterbalance of second inclined plane.

5. The golf cart of claim 4, wherein: along gear revolve's circumferencial direction, the convex part with the concave part one-to-one is provided with the multiunit, and every group all is provided with on the convex part first inclined plane, every group all is provided with on the concave part the second inclined plane.

6. The golf cart of claim 3, wherein: the frame comprises a bottom support extending along the front-back direction and a second sliding piece arranged on the bottom support in a sliding mode along the length extending direction of the bottom support, the first sliding piece is arranged on the bottom support in a sliding mode along the length extending direction of the bottom support, and when the frame is folded, the second sliding piece can slide relative to the bottom support and is matched with the first sliding piece to drive the first sliding piece to slide relative to the bottom support.

7. The golf cart of claim 6, wherein: the bottom support is provided with a tube cavity extending along the length direction of the bottom support, the first sliding part comprises a body and a matching part arranged on the body, the body can be arranged in the tube cavity of the bottom support in a sliding mode, the matching part is located on the outer portion of the tube cavity, and the second sliding part can slide relative to the bottom support and abut against the matching part to be matched so as to drive the first sliding part to slide relative to the bottom support.

8. The golf cart of claim 3, wherein: the frame, the wheel assembly and the gear are coaxially and rotatably connected through a rotating shaft.

9. The golf cart of claim 3, wherein: the frame includes the bottom bracket that extends along the fore-and-aft direction, the bottom bracket sets up respectively in the left and right sides, the wheel subassembly includes the wheel joint, locking mechanical system sets up respectively the left and right sides that the wheel connects with correspond one side between the bottom bracket, actuating mechanism corresponds locking mechanical system sets up in the left and right sides, first elastic component sets up respectively the left and right sides that the wheel connects with correspond one side between the bottom bracket.

10. The golf cart of claim 2, wherein: the golf cart further comprises a second elastic member for driving the locking member to slide in a direction for enabling the locking mechanism to return from the unlocked state to the locked state, the cart frame comprises a bottom bracket extending along the front-back direction, one end part of the second elastic member is arranged on the bottom bracket or the wheel assembly, the other end part of the second elastic member is arranged on the locking member, and/or the golf cart further comprises a driving mechanism for driving the locking mechanism to be unlocked in the folding process of the cart frame, the driving mechanism comprises a first sliding member capable of being slidably arranged on the cart frame, the golf cart further comprises a third elastic member for driving the first sliding member to reversely slide and return, one end part of the third elastic member is arranged on the cart frame, and the other end part of the third elastic member is arranged on the first sliding member.