Quick release mechanism for novel seat device of scooter

Abstract

A novel seat device quick release mechanism of a scooter comprises a lifting square tube, a scooter body square tube and a seat framework square tube, the scooter body square tube is arranged on a scooter body, a shell of the scooter body is connected with the scooter body through a large hexagon socket head screw, and a plurality of lifting square tube round holes are distributed in the lifting square tube in the vertical direction. A vehicle body round hole is formed in the vehicle body square tube, and after the lifting square tube is inserted into the vehicle body square tube in the vertical direction, hexagon socket cap screws are inserted into the vehicle body round hole and the lifting square tube round hole so that the lifting square tube can be fixed to the vehicle body square tube. The seat framework square tube is arranged on the seat framework, the lifting square tube is vertically sleeved with the seat framework square tube, and axial limiting and locking between the seat framework and the vehicle body are achieved through the lifting quick-release assembly. The problem that a seat on an existing scooter is inconvenient to mount and dismount is solved.

Description

Technical Field

[0001] The invention relates to the technical field of production of mobility scooters, and in particular to a new quick-release mechanism for a seat device of a mobility scooter. Background Art

[0002] At present, the installation method of the seat of a mobility scooter is usually complicated, requiring tools for installation and removal, which is inconvenient to operate and consumes time and effort. The installation and removal process may cause damage to the structure of the mobility scooter, affecting the service life of the mobility scooter. As people's requirements for the convenience of mobility tools continue to increase, a mechanism that can quickly install and remove seats is needed. Summary of the invention

[0003] The object of the present invention is to provide a novel quick-release mechanism for a seat device of a mobility scooter, which can effectively solve the technical problems mentioned in the background technology.

[0004] To achieve the above object, the present invention provides the following technical solutions: A new type of quick-release mechanism for a seat device of a mobility scooter, comprising a lifting square tube, a body square tube and a seat frame square tube, wherein the body square tube is arranged on the body, the body shell is connected to the body through a hexagon socket flat head screw, a plurality of lifting square tube circular holes are distributed on the lifting square tube in a vertical direction, and a body circular hole is opened on the body square tube. After the lifting square tube is inserted into the body square tube in a vertical direction, the hexagon socket cylindrical head screw is inserted into the body circular hole and the lifting square tube circular hole to fix the lifting square tube on the body square tube; The seat frame square tube is arranged on the seat frame, the seat frame square tube is vertically inserted into the lifting square tube, and the axial limiting locking between the seat frame and the vehicle body is achieved through a lifting quick-release assembly.

[0005] Preferably, the lifting and quick-release assembly includes a lifting and quick-release lever and a lifting and quick-release handle, the riveted pin shaft is inserted into the lifting and quick-release lever, the lifting and quick-release handle is rotatably installed on both ends of the riveted pin shaft, the corrugated spring piece is inserted into the T-shaped sleeve, the flat washer one, the flat washer two, the rubber gasket and the T-shaped sleeve are axially installed on the lifting and quick-release lever in sequence, the lifting and quick-release lever is provided with a back-welded nut, the seat frame square tube and the lifting square tube are respectively provided with a seat frame square tube circular hole and a lifting square tube U-shaped groove, the lifting and quick-release lever is inserted into the seat frame square tube circular hole and the lifting square tube U-shaped groove and axially fixed and locked by the back-welded nut.

[0006] Preferably, when the lifting quick-release handle is rotated upward around the rivet pin axis to a vertical state, the distance between the lifting quick-release handle locking surface on the lifting quick-release handle and the circular hole of the square tube of the seat frame becomes smaller, and the T-sleeve, flat washer 1, flat washer 2 and rubber gasket all adopt interference fit along the axial direction of the lifting quick-release gear lever to achieve axial limit locking of the seat frame and the vehicle body.

[0007] Preferably, when the lifting quick-release handle is rotated downward around the rivet pin axis to a horizontal state, the distance between the lifting quick-release handle disassembly surface on the lifting quick-release handle and the circular hole of the square tube of the seat frame becomes larger, and the T-sleeve, flat washer one, flat washer two and rubber gasket are all clearance-fitted along the axial direction of the lifting quick-release gear lever, so that the seat frame is separated from the U-shaped groove of the lifting square tube, thereby realizing the disassembly of the seat frame and the vehicle body.

[0008] Preferably, a plurality of seat support columns are provided on the seat frame, and the seat support columns are used to be supported on the vehicle body.

[0009] Preferably, the lifting square tube is inserted into the magnetic mounting piece and welded and fixed at 60 mm. The magnetic mounting piece moves in the square tube of the vehicle body along with the lifting square tube. The magnetic mounting box is fixed to the magnetic mounting piece by means of hexagon socket large flat head self-tapping screws (7). A power supply for the quick-release seat is arranged in the magnetic mounting box.

[0010] Preferably, the lifting square tube and the magnetic mounting piece are connected by welding, and the distance between the welding position of the lifting square tube and the magnetic mounting piece and the bottom of the lifting square tube is 60 mm.

[0011] Preferably, the plurality of circular holes of the lifting square tube are distributed on the lifting square tube in a linear array.

[0012] Compared with the prior art, the present invention has the following beneficial effects: During installation, insert the lifting square tube into the square tube of the vehicle body in the vertical direction, insert the hexagon socket head screw into the circular hole of the vehicle body and the circular hole of the lifting square tube to fix the lifting square tube on the said vehicle body square tube, and then vertically insert the seat frame square tube on the seat frame into the lifting square tube, and finally insert the lifting quick-release lever into the circular hole of the seat frame square tube and the U-shaped groove of the lifting square tube and axially fix and lock it through the back-welded nut; when the lifting quick-release handle is rotated upward around the rivet pin axis to a vertical state, the axial limit locking of the seat frame and the vehicle body is realized; when the lifting quick-release handle is rotated downward around the rivet pin axis to a horizontal state, the seat frame and the vehicle body are disassembled, and installation and disassembly are convenient; Since multiple lifting square tube circular holes are distributed in a linear array on the lifting square tube, when the height of the seat frame needs to be adjusted, the lifting square tube is slid along the body square tube to the required position and the body circular hole is aligned with the corresponding lifting square tube circular hole on the lifting square tube. Then, the hexagon socket head screw is inserted into the body circular hole and the lifting square tube circular hole to fix the lifting square tube to the body square tube. The operation is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic diagram of the installation of a vehicle body in an embodiment of the present invention; Figure 2 It is a structural schematic diagram of a new type of quick-release mechanism for a seat device for a mobility scooter according to an embodiment of the present invention; Figure 3 is a schematic structural diagram of a seat frame in an embodiment of the present invention; Figure 4 is a schematic structural diagram of a lifting quick-release gear lever in an embodiment of the present invention; Figure 5 is a top view of a seat frame in an embodiment of the present invention; Figure 6 Schematic diagram of installation of lifting square tube in an embodiment of the present invention; In the figure, 1. body, 2. body shell, 3. hexagon socket large flat head screw, 4. magnetic mounting box, 5. magnetic mounting part, 6. lifting square tube, 7. hexagon socket large flat head self-tapping screw, 8. hexagon socket cylindrical head screw, 9. lifting quick release handle, 10. riveting pin, 11. lifting quick release lever, 12. flat washer one, 13. flat washer two, 14. rubber gasket, 15. T-type sleeve, 16. corrugated spring piece, 17. back welding nut, 18. seat frame, 19. seat support column, 20. body main body round hole, 21. lifting square tube round hole, 22. lifting square tube U-shaped groove, 23. seat frame square tube round hole, 24. body main body square tube, 25. seat frame square tube, 26. lifting quick release handle disassembly surface, 27. lifting quick release handle locking surface. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0015] See also Figure 1-6As shown, a new type of quick-release mechanism for a seat device of a scooter comprises a lifting square tube 6, a body square tube 24 and a seat frame square tube 25, wherein the body square tube 24 is arranged on the body 1, and the body shell 2 is connected to the body 1 by means of a hexagon socket flat head screw 3, and a plurality of lifting square tube circular holes 21 are distributed on the lifting square tube 6 along the vertical direction, and a body circular hole 20 is opened on the body square tube 24, and after the lifting square tube 6 is inserted into the body square tube 24 along the vertical direction, the hexagon socket cylindrical head screw 8 is inserted into the body circular hole 20 and the lifting square tube circular hole 21 so that the lifting square tube 6 is fixed on the body square tube 24; The seat frame square tube 25 is arranged on the seat frame 18, and the seat frame square tube 25 is vertically inserted into the lifting square tube 6 and realizes axial limit locking between the seat frame 18 and the vehicle body 1 through the lifting quick release assembly; The lifting quick-release assembly includes a lifting quick-release lever 11 and a lifting quick-release handle 9, the rivet pin 10 is inserted into the lifting quick-release lever 11, the lifting quick-release handle 9 is rotatably installed at both ends of the rivet pin 10, the corrugated spring piece 16 is inserted into the T-shaped sleeve 15, the flat washer 12, the flat washer 2 13, the rubber gasket 14 and the T-shaped sleeve 15 are axially installed on the lifting quick-release lever 11 in sequence, the lifting quick-release lever 11 is provided with a back-welded nut 17, the seat frame square tube 25 and the lifting square tube 6 are respectively provided with a seat frame square tube circular hole 23 and a lifting square tube U-shaped groove 22, after the lifting quick-release lever 11 is inserted into the seat frame square tube circular hole 23 and the lifting square tube U-shaped groove 22, it is axially fixed and locked by the back-welded nut 7; When the lifting quick-release handle 9 is rotated upward around the rivet pin 10 to a vertical state, the distance between the lifting quick-release handle locking surface 27 on the lifting quick-release handle 9 and the square tube circular hole 23 of the seat frame becomes smaller, and the T-shaped sleeve 15, the flat washer 12, the flat washer 2 13 and the rubber gasket 14 are all interference fit along the axial direction of the lifting quick-release lever 11 to achieve axial limit locking of the seat frame 18 and the vehicle body 1; When the lifting quick-release handle 9 is rotated downward around the rivet pin 10 to a horizontal state, the distance between the lifting quick-release handle disassembly surface 26 on the lifting quick-release handle 9 and the circular hole 13 of the square tube of the seat frame becomes larger, and the T-shaped sleeve 15, the flat washer 12, the flat washer 2 13 and the rubber gasket 14 are all clearance-matched along the axial direction of the lifting quick-release lever 11, so that the seat frame 18 is separated from the U-shaped groove 22 of the lifting square tube, thereby realizing the disassembly of the seat frame 18 and the vehicle body 1; The seat frame 18 is provided with a plurality of seat support columns 19, and the seat support columns 19 are used to support the vehicle body 1; The lifting square tube 6 is inserted into the magnetic mounting member 5 and welded and fixed at 60 mm. The magnetic mounting member 5 moves in the body square tube 24 along with the lifting square tube 6. The magnetic mounting box 4 is fixed to the magnetic mounting member 5 by means of hexagon socket large flat head self-tapping screws 7. A power supply for the quick-release seat is provided in the magnetic mounting box 4. The lifting square tube 6 and the magnetic mounting member 5 are connected by welding, and the distance between the welding position of the lifting square tube 6 and the magnetic mounting member 5 and the bottom of the lifting square tube 6 is 60 mm; Since the magnetic mounting member 5 and the magnetic mounting box 4 are welded to the lifting square tube 6, the magnetic mounting member 5 and the magnetic mounting box 4 move with the lifting square tube 6, so that the power supply can be flexibly completed when the height of the seat frame 18 is conveniently adjusted, and the power can be quickly cut off when the seat frame 18 is disassembled; The plurality of lifting square tube circular holes 21 are distributed on the lifting square tube 6 in a linear array.

[0016] During installation, the lifting square tube is inserted into the body main body square tube in the vertical direction, and then the hexagon socket head screw is inserted into the body main body round hole and the lifting square tube round hole to fix the lifting square tube on the body main body square tube. Then the seat frame square tube (25) on the seat frame is vertically inserted into the lifting square tube (6). Finally, the lifting quick release lever (11) is inserted into the seat frame square tube round hole (23) and the lifting square tube U-shaped groove (22) and then axially fixed and locked by the back-welded nut (7). When the lifting quick-release handle (9) is rotated upward around the rivet pin shaft (10) to a vertical state, the seat frame (18) and the vehicle body (1) are axially limited and locked; when the lifting quick-release handle (9) is rotated downward around the rivet pin shaft (10) to a horizontal state, the seat frame (18) and the vehicle body (1) are disassembled, and installation and disassembly are convenient; Since multiple lifting square tube circular holes 21 are distributed in a linear array on the lifting square tube 6, when the height of the seat frame 18 needs to be adjusted, the lifting square tube 6 is slid along the body main square tube 24 to the desired position and the body main circular hole 20 is aligned with the corresponding lifting square tube circular hole 21 on the lifting square tube 6. Then, the hexagon socket head screw 8 is inserted into the body main circular hole 20 and the lifting square tube circular hole 21 to fix the lifting square tube 6 to the body main square tube 24, which is easy to operate.

[0017] The above contents are merely examples and explanations of the structure of the present invention. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the present invention or exceed the scope defined by the claims, they should all fall within the protection scope of the present invention.

Claims

1. A new type of quick-release mechanism for a seat device of a mobility scooter, characterized in that: The invention comprises a lifting square tube (6), a body square tube (24) and a seat frame square tube (25), wherein the body square tube (24) is arranged on the body (1), the body shell (2) is connected to the body (1) via a hexagon socket flat head screw (3), a plurality of lifting square tube circular holes (21) are distributed in the vertical direction on the lifting square tube (6), a body circular hole (20) is opened on the body square tube (24), and after the lifting square tube (6) is inserted into the body square tube (24) in the vertical direction, the hexagon socket cylindrical head screw (8) is inserted into the body circular hole (20) and the lifting square tube circular hole (21) so that the lifting square tube (6) is fixed on the body square tube (24); The seat frame square tube (25) is arranged on the seat frame (18), the seat frame square tube (25) is vertically inserted into the lifting square tube (6), and an axial limiting locking is achieved between the seat frame (18) and the vehicle body (1) through a lifting quick-release assembly.

2. The novel quick-release mechanism for a seat device for a mobility scooter according to claim 1, characterized in that: The lifting quick-release assembly comprises a lifting quick-release lever (11) and a lifting quick-release handle (9). The riveting pin (10) is inserted into the lifting quick-release lever (11). The lifting quick-release handle (9) is rotatably mounted on both ends of the riveting pin (10). The corrugated spring sheet (16) is inserted into the T-shaped sleeve (15). The flat washer 1 (12), the flat washer 2 (13), the rubber gasket (14) and the T-shaped sleeve (15) are sequentially axially mounted on the lifting quick-release lever (11). A back-welded nut (17) is provided on the lifting quick-release lever (11). The seat frame square tube (25) and the lifting square tube (6) are respectively provided with a seat frame square tube circular hole (23) and a lifting square tube U-shaped groove (22). After the lifting quick-release lever (11) is inserted into the seat frame square tube circular hole (23) and the lifting square tube U-shaped groove (22), it is axially fixed and locked by the back-welded nut (7).

3. The novel quick-release mechanism for a seat device of a mobility scooter according to claim 2, characterized in that: When the lifting quick-release handle (9) is rotated upward around the rivet pin shaft (10) to a vertical state, the distance between the lifting quick-release handle locking surface (27) on the lifting quick-release handle (9) and the square tube circular hole (23) of the seat frame becomes smaller, and the T-shaped sleeve (15), flat washer one (12), flat washer two (13) and rubber gasket (14) are all interference fit along the axial direction of the lifting quick-release lever (11), so as to achieve axial limit locking of the seat frame (18) and the vehicle body (1).

4. The novel quick-release mechanism for a seat device of a mobility scooter according to claim 3, characterized in that: When the lifting quick-release handle (9) is rotated downward around the rivet pin (10) to a horizontal state, the distance between the lifting quick-release handle disassembly surface (26) on the lifting quick-release handle (9) and the circular hole (13) of the square tube of the seat frame increases, and the T-shaped sleeve (15), flat washer one (12), flat washer two (13) and rubber gasket (14) are all clearance-matched along the axial direction of the lifting quick-release lever (11), so that the seat frame (18) is separated from the U-shaped groove (22) of the lifting square tube, thereby realizing the disassembly of the seat frame (18) and the vehicle body (1).

5. The novel quick-release mechanism for a seat device of a mobility scooter according to claim 1, characterized in that: A plurality of seat support columns (19) are arranged on the seat frame (18), and the seat support columns (19) are used to be supported on the vehicle body (1).

6. The novel quick-release mechanism for a seat device of a mobility scooter according to claim 1, characterized in that: The lifting square tube (6) is inserted into the magnetic mounting member (5) and fixed by welding at a position of 60 mm. The magnetic mounting member (5) moves in the vehicle body square tube (24) along with the lifting square tube (6). The magnetic mounting box (4) is fixed to the magnetic mounting member (5) by means of hexagon socket large flat head self-tapping screws (7). A power supply for supplying power to the quick-release seat is arranged in the magnetic mounting box (4).

7. The novel quick-release mechanism for a seat device of a mobility scooter according to claim 1, characterized in that: The lifting square tube (6) and the magnetic attraction mounting member (5) are connected by welding, and the distance between the welding position of the lifting square tube (6) and the magnetic attraction mounting member (5) and the bottom of the lifting square tube (6) is 60 mm.

8. The novel quick-release mechanism for a seat device of a mobility scooter according to claim 1, characterized in that: The plurality of lifting square tube circular holes (21) are distributed on the lifting square tube (6) in a linear array.

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