US-12622358-B2 - Riding lawn mower with connecting device

Abstract

A riding lawn mower includes a frame, a mowing device mounted to the bottom of the frame, a functional unit attached to the front of the frame, and a motor group together with a power supply mounted to the frame. The riding lawn mower also comprises a connecting device connecting the frame and the functional unit. The connecting device comprises a first connector attached on the front of the frame, a second connector attached to the functional unit, and a third connector adapted for fixedly connecting the first connector and the second connector, the first connector and the second connector respectively defining through-holes thereon, the third connector extending through the through-holes of the first and the second connectors to fixedly connect the first and the second connectors.

Inventors

• Qunli Wei
• Dongdong SHI
• Linchong Wu
• Jiafu Xue
• Hui Chen

Assignees

• Greenworks (Jiangsu) Co., Ltd

Dates

Publication Date

20260512

Application Date

20230315

Priority Date

20190628

Claims (19)

1. 1 . A riding lawn mower comprising: a frame, a mowing device, the mowing device mounted to a bottom of the frame, a functional unit attached to the frame, and a power supply mounted to the frame, wherein the riding lawn mower also comprises a connecting device connecting the frame and the functional unit, the connecting device comprising a first connector attached on the frame, a second connector attached to the functional unit, a third connector adapted for fixedly connecting the first connector and the second connector, and an electrical interface arranged on the frame adjacent to the functional unit, the electrical interface having one end electrically connecting to the power supply and the other end connecting to the functional unit, so as to provide power to the functional unit, wherein the connecting device further comprises a fourth connector, the fourth connector comprising a buckle piece, and a fastener piece engageable with the buckle piece to securely connect the frame to the functional unit; wherein the buckle piece is L-shaped and comprises a first lateral side and a second lateral side, the first lateral side being fixedly connected to the frame, and the second lateral side being perpendicular to the frame and having a curved top portion; wherein the fastener piece comprises a buckling ring engageable with the buckle piece, and a locking member cooperating with the buckling ring to lock the buckling ring to the buckle piece, the buckling ring and the locking member being configured to move independently.
2. 2 . The riding lawn mower as claimed in claim 1 , wherein the first connector and the second connector respectively defining through-holes thereon, the third connector extending through the through-holes of the first and the second connectors to fixedly connect the first and the second connectors.
3. 3 . The riding lawn mower as claimed in claim 2 , wherein the through-holes comprise a first through-hole defined on the first connector and a second through-hole defined on the second connector, the first through-hole extending through-out the first connector and the second through-hole extending through-out the second connector.
4. 4 . The riding lawn mower as claimed in claim 3 , wherein the third connector is a fixed pin that passes through the first through-hole and the second through-hole sequentially.
5. 5 . The riding lawn mower as claimed in claim 1 , wherein the first connector provides a receiving slot, and one end of the second connector is retained in the receiving slot.
6. 6 . The riding lawn mower as claimed in claim 5 , wherein both the first connector and the second connector are polygonal, and the receiving slot is polygonal correspondingly.
7. 7 . The riding lawn mower as claimed in claim 1 , wherein the fourth connector is arranged on an interface adjacent to the frame and the functional unit.
8. 8 . The riding lawn mower as claimed in claim 1 , wherein the connecting device further comprises a reinforcing plate with one end thereof fastened to the frame and the other end thereof fastened to the functional unit, the reinforcing plate positioned at a bottom of the first connector and the second connector to fixedly connect the frame with the functional unit.
9. 9 . The riding lawn mower as claimed in claim 1 , wherein the first connector is arranged on the front of the frame.
10. 10 . The riding lawn mower as claimed in claim 1 , wherein the electrical interface is located besides the first connector.
11. 11 . The riding lawn mower as claimed in claim 1 , wherein the functional unit is one of snow blower, snow thrower, snow plow, and jack.
12. 12 . A riding lawn mower comprising: a frame, a mowing device, the mowing device mounted to a bottom of the frame, a functional unit attached to the frame, and a power supply mounted to the frame, wherein the riding lawn mower also comprises a connecting device connecting the frame and the functional unit, the connecting device comprising a first connector attached on the frame, a second connector attached to the functional unit, a third connector adapted for fixedly connecting the first connector and the second connector, and a fourth connector for reinforcing the frame and the functional unit, wherein the fourth connector comprises a buckle piece, and a fastener piece engageable with the buckle piece to securely connect the frame to the functional unit; wherein the buckle piece is L-shaped and comprises a first lateral side and a second lateral side, the first lateral side being fixedly connected to the frame, and the second lateral side being perpendicular to the frame and having a curved top portion; wherein the fastener piece comprises a buckling ring engageable with the buckle piece, and a locking member cooperating with the buckling ring to lock the buckling ring to the buckle piece, the buckling ring and the locking member being configured to move independently.
13. 13 . The riding lawn mower as claimed in claim 12 , wherein the fourth connector is arranged on an interface adjacent to the frame and the functional unit.
14. 14 . The riding lawn mower as claimed in claim 12 , wherein the connecting device further comprises an electrical interface provided on the frame, the electrical interface having one end electrically connecting to the power supply and the other end connecting to the functional unit, so as to provide power to the functional unit.
15. 15 . The riding lawn mower as claimed in claim 14 , wherein the electrical interface is arranged on the frame adjacent to the functional unit.
16. 16 . The riding lawn mower as claimed in claim 12 , wherein the first connector and the second connector respectively defining through-holes thereon, the third connector extending through the through-holes of the first and the second connectors to fixedly connect the first and the second connectors.
17. 17 . The riding lawn mower as claimed in claim 16 , wherein the through-holes comprise a first through-hole defined on the first connector and a second through-hole defined on the second connector, the first through-hole extending through-out the first connector and the second through-hole extending through-out the second connector.
18. 18 . The riding lawn mower as claimed in claim 17 , wherein the third connector is a fixed pin that passes through the first through-hole and the second through-hole sequentially.
19. 19 . The riding lawn mower as claimed in claim 12 , wherein the connecting device further comprises a reinforcing plate with one end thereof fastened to the frame and the other end thereof fastened to the functional unit, the reinforcing plate positioned a bottom of the first connector and the second connector to fixedly connect the frame with the functional unit.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS This application is a Continuation Application of U.S. application Ser. No. 16/914,362 filed on Jun. 27, 2020, which claims the priority of CN Application Serial No. 201910572925.6, filed on Jun. 28, 2019, the disclosures of which are hereby incorporated by reference in their entirety. TECHNICAL FIELD The present invention relates to a riding lawn mower, which belongs to the technology field of garden tool. BACKGROUND ART There are many categories of garden tools. In order to satisfy the daily needs of the user's family, the user need to purchase or rent garden equipment with various functions, such as lawn mowers, blowers, snow throwers, snow blower etc., as well as some auxiliary maintenance equipment or accessories. The lawn mower, blowers, snow throwers, snow blower are separated from each other. Single equipment, such as lawn mower, can only be used in certain periods of time. When it is not necessary to mow the lawn, the mower will be idle which results in waste. Blowers and snow thrower are same. However, in order to meet various of requirements during different periods of time, the user usually needs to prepare above-mentioned various of equipment or accessories, which undoubtedly generates a great of waste and bring a large financial burden on the user. Hence, there is a need to improve the conventional lawn mowers to resolve the above problems. SUMMARY OF INVENTION The objective of the present invention is to provide a riding lawn mower, which can be added other accessories based on the lawn mower to thereby realize snow blowing, snow plowing and other functions. In order achieve above-mentioned objectives, the present invention provides a riding lawn mower comprising: a frame, a mowing device, the mowing device mounted the bottom of the frame, a functional unit attached to the front of the frame, and a motor group together with a power supply mounted to the frame, wherein the riding lawn mower also comprises a connecting device connecting the frame and the functional unit, the connecting device comprising a first connector attached on the front of the frame, a second connector attached to the functional unit, and a third connector adapted for fixedly connecting the first connector and the second connector, the first connector and the second connector respectively defining through-holes thereon, the third connector extending through the through-holes of the first and the second connectors to fixedly connect the first and the second connectors. As a further improvement of the present invention, wherein the first connector provides a receiving slot, and one end of the second connector is retained in the receiving slot. As a further improvement of the present invention, wherein both the first connector and the second connector are square, and the receiving slot is square correspondingly. As a further improvement of the present invention, wherein the through-holes comprise a first through-hole defined on the first connector and a second through-hole defined on the second connector, the first through-hole extending through-out the first connector and the second through-hole extending through-out the second connector. As a further improvement of the present invention, wherein the third connector is a fixed pin that passes through the first through-hole and the second through-hole sequentially. As a further improvement of the present invention, wherein the connecting device also comprises a buckle piece provided on a top of the front of the frame and a fastener piece provided on the functional unit, the buckle piece engaging with the fastener piece to securely connect the frame and the functional unit. As a further improvement of the present invention, wherein the connecting device further comprises a reinforcing plate with one end thereof fastened to the front of the frame and the other end thereof fastened to the functional unit, the reinforcing plate positioned a bottom of the first connector and the second connector. As a further improvement of the present invention, wherein the connecting device further comprises an electrical interface provided on the front of the frame, the electrical interface having one end electrically connecting to the power supply and the other end connecting to the functional unit, so as to provide power to the functional unit. As a further improvement of the present invention, wherein the first connector is arranged in a middle of the front of the frame and the electrical interface is located besides the first connector. As a further improvement of the present invention, wherein the functional unit is one of snow blower, snow thrower, snow plow, and a jack. The beneficial effects of the present invention are: The riding lawn mower of the present invention is provided with the connecting device, which includes the first connector located at the front end of the frame, the second connector located on the functional unit, and the third c