Tricycle base convenient to assemble and disassemble

By using a design that combines positioning pins and positioning holes on the tricycle base, along with various combinations of locking components and locking parts, the problem of inconvenient assembly and disassembly of existing tricycle bases is solved, achieving quick assembly and disassembly and easy removal.

CN223803704UActive Publication Date: 2026-01-16TIANJIN DAAN ELECTRIC TRICYCLE
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Patent Information

Application Number
CN202423223504.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2026-01-16
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

The existing tricycles have a one-piece welded base, which makes them inconvenient to disassemble and reassemble later.

Method used

The upper support plate, which uses a positioning pin and positioning hole to engage, combined with the design of the locking fastener's bidirectional threaded rod, L-shaped locking block, rectangular protrusion, and knob, enables quick installation and removal. The front support plate engages with the T-shaped protrusion through a T-slot, and utilizes the locking fastener's insert plate, threaded sleeve, lead screw, worm gear, worm, crank handle, and locking disc to achieve quick installation and removal.

Benefits of technology

It enables quick loading and unloading and convenient disassembly of the tricycle base, improving loading and unloading efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223803704U_ABST
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Abstract

The utility model relates to the technical field of tricycle bases, in particular to a tricycle base convenient to assemble and disassemble. The tricycle base convenient to assemble and disassemble comprises a bottom supporting plate and damping elastic piece seats symmetrically installed at the bottom end of the bottom supporting plate, rectangular insertion holes are symmetrically formed in the two ends of the bottom supporting plate, and a positioning hole is formed in the top end of the bottom supporting plate; the bottom end of the upper supporting plate is provided with positioning columns matched with the positioning holes in an inserted mode, locking pieces matched with the rectangular inserting holes in an inserted mode are symmetrically installed on the upper supporting plate, a T-shaped groove is formed in the front side of the upper supporting plate, a front supporting plate is movably inserted into the T-shaped groove, a T-shaped protruding block matched with the T-shaped groove in an inserted mode is arranged on the front supporting plate, and an inserting groove is formed in the T-shaped protruding block. The upper supporting plate is provided with a mortise lock piece matched with the inserting groove in an inserted mode. The tricycle base convenient to assemble and disassemble has the advantages of being simple in structure and convenient and fast to disassemble.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a tricycle base technical field especially, it relates to a tricycle base convenient to assemble and disassemble. BACKGROUND

[0002] The electric tricycle is with the battery as the power, the motor is driven to pull the goods or the person used three-wheel transport tool dynamic tricycle with its strong applicability, mobile flexible, maintenance simple, convenient maintenance, low price advantage, can flexibly pass in the narrow road. The electric tricycle has the reverse switch, can conveniently realize the reverse driving function, this is very practical in the narrow road hut, alley, whether driving parking is very convenient. It is widely used in family, urban and rural areas, individual rental, factory area, mining area, environmental protection, community cleaning and other short-distance transport fields.

[0003] The existing tricycle base is mostly welded integrally, which is inconvenient to disassemble after the tricycle is installed as a whole.

[0004] Therefore, it is necessary to provide a new tricycle base convenient to assemble and disassemble to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a tricycle base convenient to assemble and disassemble which is simple in structure and convenient to disassemble.

[0006] The tricycle base convenient to assemble and disassemble provided by the utility model comprises a bottom supporting plate, a shock spring seat symmetrically installed at the bottom end of the bottom supporting plate, rectangular insertion holes symmetrically formed at the two ends of the bottom supporting plate, and a positioning hole formed at the top end of the bottom supporting plate.

[0007] An upper supporting plate is provided with a positioning column matched with the positioning hole at the bottom end, locking members matched with the rectangular insertion holes are symmetrically installed on the upper supporting plate, a T-shaped groove is formed at the front side of the upper supporting plate, a front supporting plate is movably inserted into the T-shaped groove, a T-shaped protrusion matched with the T-shaped groove is formed on the front supporting plate, an insertion slot is formed on the T-shaped protrusion, and an insertion lock member matched with the insertion slot is installed on the upper supporting plate.

[0008] Preferably, the locking member comprises a bidirectional threaded rod, the bidirectional threaded rod is rotatably installed in a sliding groove formed at the bottom of the upper supporting plate, L-shaped locking blocks are symmetrically screwed on the bidirectional threaded rod, rectangular protrusions matched with the rectangular insertion holes are installed on the L-shaped locking blocks, and a knob is fixedly installed at one end of the bidirectional threaded rod.

[0009] Preferably, the top of the L-shaped locking block is in sliding cooperation with the sliding groove.

[0010] Preferably, the plug-in lock comprises a plug plate and a lead screw, the plug plate is slidingly arranged in the T-shaped slot, and the plug plate is in plug-in connection with the plug slot, one end of the plug plate is fixedly provided with a threaded sleeve, the lead screw is rotatably arranged on the upper supporting plate and is in threaded connection with the threaded sleeve, one end of the lead screw is fixedly provided with a worm wheel, and the upper supporting plate is rotatably provided with a worm screw, and the worm screw is in engagement with the worm wheel.

[0011] Preferably, the top end of the worm screw is fixedly sleeved with a handle, the bottom end of the handle is provided with a lock disc, and the lock disc is in threaded connection with a locking bolt.

[0012] Compared with the related art, the three-wheeled vehicle base convenient to assemble and disassemble has the following beneficial effects:

[0013] 1. The three-wheeled vehicle base convenient to assemble and disassemble is provided, the upper supporting plate is in plug-in connection with the positioning hole of the bottom supporting plate through the positioning column, and then the upper supporting plate is in cooperation with the bottom supporting plate through the bidirectional threaded rod, the L-shaped lock block, the rectangular protrusion, the knob and the rectangular insertion hole of the bottom supporting plate, so that the upper supporting plate is convenient to quickly assemble and disassemble.

[0014] 2. The upper supporting plate is in plug-in connection with the T-shaped protrusion of the front supporting plate through the T-shaped slot, and then the plug plate, the threaded sleeve, the lead screw, the worm wheel, the worm screw, the handle, the lock disc and the locking bolt of the plug-in lock are cooperated, so that the upper supporting plate can be quickly assembled and disassembled. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The structure schematic view of a preferred embodiment of the three-wheeled vehicle base convenient to assemble and disassemble is provided.

[0016] Figure 2 The structure schematic view of another perspective of the three-wheeled vehicle base convenient to assemble and disassemble is provided.

[0017] Figure 3 The structure schematic view of the bottom supporting plate is provided.

[0018] Figure 4 The structure schematic view of the upper supporting plate is provided.

[0019] Figure 5 The structure schematic view of the front supporting plate is provided.

[0020] Figure 6 The structure schematic view of the plug-in lock is provided.

[0021] The figure reference: 1, bottom support plate; 101, rectangular jack; 102, positioning hole; 2, shock absorber seat; 3, upper support plate; 31, positioning column; 301, T-shaped groove; 302, sliding groove; 4, locking piece; 41, two-way threaded rod; 42, L-shaped lock block; 43, rectangular protrusion; 44, knob; 5, front support plate; 501, slot; 51, T-shaped protrusion; 6, plug-in lock; 61, plug-in plate; 62, threaded sleeve; 63, lead screw; 64, worm wheel; 65, worm; 66, handle; 67, lock disc; 68, locking bolt. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0023] The specific implementation of the utility model is described in detail below in combination with specific examples.

[0024] Please refer to Figures 1 to 6 The utility model discloses a tricycle base convenient to assemble and disassemble, which comprises:

[0025] A bottom support plate 1 and a shock absorber seat 2 symmetrically installed at the bottom end of the bottom support plate 1, both ends of the bottom support plate 1 are symmetrically provided with a rectangular jack 101, and the top end of the bottom support plate 1 is provided with a positioning hole 102;

[0026] An upper support plate 3 provided with a positioning column 31 inserted and matched with the positioning hole 102 at the bottom end, and a locking piece 4 symmetrically installed on the upper support plate 3 and inserted and matched with the rectangular jack 101, a T-shaped groove 301 is formed on the front side of the upper support plate 3, a front support plate 5 is movably inserted into the T-shaped groove 301, the front support plate 5 is provided with a T-shaped protrusion 51 inserted and matched with the T-shaped groove 301, a slot 501 is formed on the T-shaped protrusion 51, and a plug-in lock 6 is installed on the upper support plate 3 and inserted and matched with the slot 501.

[0027] It should be noted that when installing, the upper support plate 3 is inserted and matched with the positioning hole 102 of the bottom support plate 1 through the positioning column 31, then the locking piece 4 is inserted and matched with the rectangular jack 101 to lock, so that the upper support plate 3 is detachably installed on the bottom support plate 1, then the front support plate 5 is inserted into the T-shaped groove 301 through the T-shaped protrusion 51, and finally the upper support plate 3 is inserted into the slot 501 through the plug-in lock 6 to lock and connect the front support plate 5, so that the plug-in installation is very fast and convenient for disassembly in the later period.

[0028] In the embodiment of the utility model, please refer to Figures 1 to 6The locking piece 4 comprises a bidirectional threaded rod 41, the bidirectional threaded rod 41 is rotatably arranged in a sliding groove 302 formed in the bottom of the upper supporting plate 3, an L-shaped locking block 42 is symmetrically arranged on the bidirectional threaded rod 41, a rectangular protrusion 43 is arranged on the L-shaped locking block 42 and is inserted into a rectangular insertion hole 101, and a knob 44 is fixedly arranged at one end of the bidirectional threaded rod 41;

[0029] The top of the L-shaped locking block 42 is in sliding fit with the sliding groove 302

[0030] It should be noted that, when the locking piece 4 is used, after the positioning column 31 is inserted into the positioning hole 102, the bidirectional threaded rod 41 is driven to rotate by rotating the knob 44, so that the L-shaped locking block 42 is driven to move close to the bottom supporting plate 1, until the rectangular protrusion 43 is inserted into the rectangular insertion hole 101, thereby completing the locking of the upper supporting plate 3 and the bottom supporting plate 1, and when disassembling, the knob 44 is reversed.

[0031] In the embodiment of the utility model, please refer to Figures 1 to 6 The plug-in lock piece 6 comprises a plug-in plate 61 and a lead screw 63, the plug-in plate 61 is slidably arranged in the T-shaped groove 301, the plug-in plate 61 is inserted into the insertion groove 501, one end of the plug-in plate 61 is fixedly provided with a threaded sleeve 62, the lead screw 63 is rotatably arranged on the upper supporting plate 3 and is in threaded connection with the threaded sleeve 62, one end of the lead screw 63 is fixedly provided with a worm wheel 64, a worm 65 is rotatably arranged on the upper supporting plate 3 and is in engagement with the worm wheel 64;

[0032] It should be noted that, when the plug-in lock piece 6 is used, after the T-shaped protrusion 51 is inserted into the T-shaped groove 301, the lead screw 63 is driven to rotate by rotating the worm 65, the lead screw 63 is driven to rotate when the lead screw 63 rotates, the plug-in plate 61 is driven to slide outward along the T-shaped groove 301 by the threaded sleeve 62, until the plug-in plate 61 is inserted into the insertion groove 501, thereby completing the plug-in locking of the front supporting plate 5, and when disassembling, the plug-in plate 61 is driven to move out of the insertion groove 501 by reversing the worm 65.

[0033] And in the embodiment, the top of the worm 65 is fixedly provided with a handle 66, the bottom of the handle 66 is provided with a lock disc 67, the lock disc 67 is in threaded connection with a locking bolt 68, so that, after the plug-in locking is completed by rotating the worm 65 through the handle 66, although the worm 65 and the worm wheel 64 have self-locking property, in order to avoid the worm 65 from being reversed due to external force, after the plug-in locking is completed, the locking bolt 68 is screwed into a threaded hole formed in the upper supporting plate 3, thereby completing the locking and avoiding the plug-in locking from being unexpectedly disabled.

[0034] The working principle of the three-wheeled vehicle base convenient to assemble and disassemble is as follows:

[0035] When installing, the upper supporting plate 3 is positioned and inserted with the positioning column 31 and the positioning hole 102 of the bottom supporting plate 1, then the knob 44 is rotated to drive the bidirectional threaded rod 41 to rotate, thereby driving the L-shaped lock block 42 to approach the bottom supporting plate 1, until the rectangular protrusion 43 is rubbed into the rectangular insertion hole 101, the locking of the upper supporting plate 3 and the bottom supporting plate 1 is completed, when disassembling, the knob 44 is reversed;

[0036] Then the front supporting plate 5 is inserted into the T-shaped groove 301 with the T-shaped protrusion 51, then the worm 65 is rotated, the worm 65 is engaged with the worm wheel 64, thereby driving the lead screw 63 to rotate, when the lead screw 63 rotates, the threaded sleeve 62 is driven to drive the insertion plate 61 to slide outward along the T-shaped groove 301, until the insertion plate 61 is inserted into the insertion slot 501, the insertion locking of the front supporting plate 5 is completed, when disassembling, the worm 65 is reversed to drive the insertion plate 61 to exit from the insertion slot 501.

[0037] The above is only the embodiment of the present application, and does not limit the patent range of the present application, any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, is also included in the patent protection range of the present application.

Claims

1. A tricycle base convenient to assemble and disassemble, comprising: a bottom support plate (1) and a shock spring seat (2) symmetrically mounted at the bottom end of the bottom support plate (1), both ends of the bottom support plate (1) are symmetrically provided with rectangular insertion holes (101), and the top end of the bottom support plate (1) is provided with a positioning hole (102); characterized in that it further comprises: an upper support plate (3) provided at the bottom end with a positioning column (31) inserted and matched with the positioning hole (102), and symmetrically mounted on the upper support plate (3) are locking members (4) inserted and matched with the rectangular insertion holes (101), the front side of the upper support plate (3) is provided with a T-shaped groove (301), a front support plate (5) is movably inserted into the T-shaped groove (301), the front support plate (5) is provided with a T-shaped protrusion (51) inserted and matched with the T-shaped groove (301), the T-shaped protrusion (51) is provided with an insertion slot (501), and the upper support plate (3) is provided with a plug-in lock member (6) inserted and matched with the insertion slot (501).

2. The quick attachable tricycle base of claim 1, wherein, The locking member (4) comprises a bidirectional threaded rod (41) rotatably mounted in a sliding groove (302) provided at the bottom of the upper support plate (3), and symmetrically threaded on the bidirectional threaded rod (41) is an L-shaped lock block (42), the L-shaped lock block (42) is provided with a rectangular protrusion (43) inserted and matched with the rectangular insertion hole (101), and one end of the bidirectional threaded rod (41) is fixedly provided with a knob (44).

3. The quick attachable tricycle base of claim 2, wherein, The top of the L-shaped lock block (42) is in sliding fit with the sliding groove (302).

4. The stowable tricycle base of claim 1, wherein, The plug-in lock member (6) comprises a plug-in plate (61) and a lead screw (63), the plug-in plate (61) is slidably arranged in the T-shaped groove (301) and is inserted and matched with the insertion slot (501), one end of the plug-in plate (61) is fixedly provided with a threaded sleeve (62), the lead screw (63) is rotatably mounted on the upper support plate (3) and is in threaded connection with the threaded sleeve (62), one end of the lead screw (63) is fixedly provided with a worm wheel (64), and the upper support plate (3) is rotatably mounted with a worm (65) engaged with the worm wheel (64).

5. The hitch for a trailer as set forth in claim 4, wherein, The top end of the worm (65) is fixedly sleeved with a crank handle (66), the bottom end of the crank handle (66) is provided with a lock disc (67), and the lock disc (67) is in threaded connection with a locking bolt (68).