A carriage frame connecting structure

Abstract

The utility model discloses a kind of carriage frame connecting structure, comprising: U-shaped connecting plate one, the U-shaped connecting plate one is used to be welded on electric tricycle carriage;U-shaped connecting plate two, the U-shaped connecting plate two is used to be welded on electric tricycle frame;Fastening bolt, the fastening bolt penetrates the U-shaped connecting plate one and the U-shaped connecting plate two;Resist pressure block, the resist pressure block is set in the fastening bolt outside;Locking assembly, the resist pressure block is compacted electric tricycle frame by the locking assembly;Wherein, the U-shaped connecting plate one is adapted with the U-shaped connecting plate two, and the U-shaped connecting plate one is used to be set in the U-shaped connecting plate two outside;The utility model is helpful to guarantee the stable connection of electric tricycle carriage.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric tricycle technical field, concretely is a carriage frame connecting structure. BACKGROUND

[0002] The existing electric tricycle carriage connecting mode is simple in structure, usually only adopts bolt nut cooperation mode to fix, and the connecting mode is prone to loosening during long-term operation of the electric tricycle, in addition, the existing mode also adopts welding mode, but when the carriage needs to be disassembled for maintenance or replacement, it is inconvenient. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a carriage frame connecting structure to solve the problems in the above background.

[0004] In order to solve the above technical problem, the utility model provides the following technical scheme: a carriage frame connecting structure, comprising: U-shaped connecting plate one, the U-shaped connecting plate one is used for welding on the electric tricycle carriage;U-shaped connecting plate two, the U-shaped connecting plate two is used for welding on the electric tricycle frame;Fastening bolt, the fastening bolt penetrates the U-shaped connecting plate one and the U-shaped connecting plate two;Resist the block, the resist the block is set in the fastening bolt outside;Locking assembly, the resist the block is pressed by the locking assembly electric tricycle frame;Wherein, the U-shaped connecting plate one is adapted with the U-shaped connecting plate two, and the U-shaped connecting plate one is used for setting in the U-shaped connecting plate two outside.

[0005] Further, the locking assembly includes an adjusting nut, which is threadedly engaged outside the fastening bolt.

[0006] Further, the resist block is used to press the electric tricycle frame on one side and is provided with a plurality of tooth grooves.

[0007] Further, the U-shaped connecting plate one is provided with an opening one and a through hole, the opening one and the through hole are positionally corresponding, and the fastening bolt passes through the opening one and the through hole.

[0008] Further, the U-shaped connecting plate two is provided with an opening two and a long hole, the opening two and the long hole are positionally corresponding, and the fastening bolt passes through the opening two and the long hole.

[0009] Further, the fastening bolt is provided with a placing hole, the fastening bolt is fixedly connected with a chain, and the chain can be placed in the placing hole;A fixed ring is fixedly arranged on one side of the outer wall of the U-shaped connecting plate one, and the fixed ring is coaxial with the through hole;The fixed ring is provided with a threaded hole, one end of the chain is provided with a limiting stud, and the limiting stud is threadedly engaged in the threaded hole.

[0010] Compared with the prior art, the utility model has the beneficial effects as follows.

[0011] 1、 by adjusting the nut and pressing the block, the block is pressed against the electric tricycle frame, which helps to reduce or avoid the loosening of the fastening bolt, and helps to ensure the stable connection of the electric tricycle carriage.

[0012] 2、 by screwing the limiting stud into the threaded hole, the fastening bolt is prevented from completely separating from the through hole, which is used to further ensure that the electric tricycle carriage will not be separated. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, which is used to explain the utility model together with the embodiments of the utility model, and does not constitute the limitation to the utility model.

[0014] Figure 1 It is the whole structure schematic diagram of the utility model embodiment one.

[0015] Figure 2 It is the U-shaped connecting plate one and the U-shaped connecting plate two cooperation schematic diagram of the utility model embodiment one.

[0016] Figure 3 It is the U-shaped connecting plate two structure schematic diagram of the utility model embodiment one.

[0017] Figure 4 It is the whole structure schematic diagram of the utility model embodiment two.

[0018] Figure 5 It is the chain and limiting stud installation schematic diagram of the utility model embodiment two.

[0019] Figure 6 It is the fixed ring position schematic diagram of the utility model embodiment two.

[0020] In the drawing: 1, U-shaped connecting plate one;11, opening one;12, through hole;2, U-shaped connecting plate two;21, opening two;22, long hole;3, fastening bolt;31, placing hole;4, pressing block;5, locking assembly;51, adjusting nut;6, fixed ring;61, threaded hole;7, chain;8, limiting stud. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0022] Embodiment one

[0023] Please refer to Figures 1-3 The utility model provides technical scheme: a kind of carriage frame connecting structure, including U-shaped connecting plate one 1 and U-shaped connecting plate two 2, U-shaped connecting plate one 1 is used to be welded on electric tricycle carriage, U-shaped connecting plate two 2 is used to be welded on electric tricycle frame;U-shaped connecting plate one 1 is adapted with U-shaped connecting plate two 2, and U-shaped connecting plate one 1 is used to be set in U-shaped connecting plate two 2 outside.

[0024] The connecting structure further includes fastening bolt 3, fastening bolt 3 penetrates U-shaped connecting plate one 1 and U-shaped connecting plate two 2, and the head of fastening bolt 3 is tightly arranged on one side outer wall of U-shaped connecting plate one 1;Specifically, opening one 11 and through hole 12 are arranged on U-shaped connecting plate one 1, and opening one 11 corresponds to through hole 12 in position;Opening two 21 and long hole 22 are arranged on U-shaped connecting plate two 2, and opening two 21 corresponds to long hole 22 in position;The width of opening one 11 and opening two 21 is equal, and opening one 11 and opening two 21 are adapted with the part of fastening bolt 3 without thread, and through hole 12 is also adapted with fastening bolt 3;Fastening bolt 3 passes through opening one 11, opening two 21, long hole 22 and through hole 12 in sequence, and the part of fastening bolt 3 without thread is clamped in opening one 11 and opening two 21.

[0025] At the same time, a pressing block 4 is arranged outside fastening bolt 3;Specifically, the pressing block 4 is in regular hexagon structure, and a circular hole is arranged through the center of the pressing block 4, and fastening bolt 3 passes through the circular hole;Locking assembly 5 is further arranged on fastening bolt 3, and the locking assembly 5 is used to press the pressing block 4 on the electric tricycle frame.

[0026] The locking assembly 5 includes adjusting nut 51, and the adjusting nut 51 is threadedly connected to the outside of fastening bolt 3;By adjusting the position of adjusting nut 51 on fastening bolt 3, the pressing block 4 can be pressed on the profile or connecting piece included in the electric tricycle frame;A plurality of tooth grooves are arranged on the side of the pressing block 4 in contact with the electric tricycle frame, for improving the frictional resistance between the pressing block 4 and the electric tricycle frame;Since the adjusting nut 51 is tightly arranged on the pressing block 4, the pressing block 4 is tightly arranged on the electric tricycle frame, and the head of the fastening bolt 3 is tightly arranged on the side outer wall of U-shaped connecting plate one 1, and the fastening bolt 3 also passes through the through hole 12, and the through hole 12 limits the fastening bolt 3, so as to realize the connection and fixation between U-shaped connecting plate one 1 and U-shaped connecting plate two 2;Since U-shaped connecting plate one 1 is used to be welded on electric tricycle carriage, and U-shaped connecting plate two 2 is used to be welded on electric tricycle frame, the electric tricycle is connected on the electric tricycle frame.

[0027] By abutting the adjusting nut 51 against the abutting block 4, the abutting block 4 is abutted against the electric tricycle frame, thus helping to reduce or avoid loosening of the fastening bolt 3, thereby improving the stability of the connection between the U-shaped connecting plate one 1 and the U-shaped connecting plate two 2, and thus ensuring the stable connection of the electric tricycle carriage.

[0028] In use, the electric tricycle carriage and the electric tricycle frame can be connected by multiple such connection structures; specifically, by having each U-shaped connecting plate one 1 sleeved outside the corresponding U-shaped connecting plate two 2, and having the opening one 11 on the U-shaped connecting plate one 1 positionally corresponding to the opening two 21 on the U-shaped connecting plate two 2; then, the abutting block 4 is pre-sleeved outside the fastening bolt 3, and the adjusting nut 51 is also threadedly fitted outside the fastening bolt 3, and the abutting block 4 and the adjusting nut 51 are close to the end portion position of the fastening bolt 3; then, the fastening bolt 3 is clamped into the opening one 11 and the opening two 21, and the abutting block 4 and the adjusting nut 51 are located inside the U-shaped connecting plate two 2; then, by adjusting the adjusting nut 51 and the fastening bolt 3, the fastening bolt 3 passes through the long slot 22 and the through hole 12, and the head of the fastening bolt 3 is abutted against the outer wall of the U-shaped connecting plate one 1, and at the same time the abutting block 4 is abutted against the electric tricycle frame, thereby completing the connection of the U-shaped connecting plate one 1 and the U-shaped connecting plate two 2.

[0029] Embodiment Two

[0030] Please refer to Figures 1-6 , based on the basis of embodiment one, in this embodiment, based on the basis of embodiment one, a placement hole 31 is provided on the fastening bolt 3, the placement hole 31 penetrates one end of the fastening bolt 3; at the same time, a chain 7 is also provided, the chain 7 can be placed in the placement hole 31, one end of the chain 7 is fixedly connected with the fastening bolt 3, the other end of the chain 7 is fixedly connected with a limiting stud 8; when the chain 7 is in a flat state, the limiting stud 8 can be removed from the placement hole 31; in addition, a fixed ring 6 can be fixedly provided on one side of the U-shaped connecting plate one 1 by welding, the fixed ring 6 is coaxial with the through hole 12, and the inner ring diameter of the fixed ring 6 is greater than the diameter of the through hole 12; a threaded hole 61 adapted to the limiting stud 8 is provided on the fixed ring 6, and the axis of the threaded hole 61 is perpendicular to the axis of the fixed ring 6.

[0031] By threadedly fitting the limiting stud 8 in the threaded hole 61, the fastening bolt 3 is hindered from completely separating from the through hole 12; in addition, since the limiting stud 8 is perpendicular to the fastening bolt 3, the difficulty of the fastening bolt 3 and the limiting stud completely separating at the same time is greatly increased; since the fastening bolt 3 is clamped in the opening one 11 and the opening two 21, as long as the fastening bolt 3 is ensured not to separate from the through hole 12, the U-shaped connecting plate one 1 and the U-shaped connecting plate two 2 can be ensured to be connected, that is, the electric tricycle carriage is effectively ensured not to separate.

[0032] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to be used to limit the scope of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meanings as commonly understood by one of ordinary skill in the art to which this application belongs. The singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise.

Claims

1. A vehicle body frame connection structure characterized by comprising: Include: U-shaped connecting plate one (1), the U-shaped connecting plate one (1) is used for welding on the electric tricycle compartment; U-shaped connecting plate two (2), the U-shaped connecting plate two (2) is used for welding on the electric tricycle frame; Fastening bolt (3), the fastening bolt (3) penetrates the U-shaped connecting plate one (1) and the U-shaped connecting plate two (2); The pressing block (4) is sleeved outside the fastening bolt (3); Locking assembly (5), the pressing block (4) is pressed by the locking assembly (5) electric tricycle frame; Wherein, the U-shaped connecting plate one (1) and the U-shaped connecting plate two (2) are adapted, and the U-shaped connecting plate one (1) is used for sleeving outside the U-shaped connecting plate two (2).

2. A truck frame connection structure according to claim 1, wherein The locking assembly (5) includes an adjusting nut (51), and the adjusting nut (51) is threadedly connected outside the fastening bolt (3).

3. The vehicle bed frame connection structure of claim 1, wherein, The pressing block (4) is used for pressing the electric tricycle frame.

4. The vehicle bed frame connection structure of claim 1, wherein, The U-shaped connecting plate one (1) is provided with an opening one (11) and a through hole (12), the opening one (11) and the through hole (12) are in position correspondence, and the fastening bolt (3) passes through the opening one (11) and the through hole (12).

5. The vehicle bed frame connection structure of claim 1, wherein, The U-shaped connecting plate two (2) is provided with an opening two (21) and a long hole (22), the opening two (21) and the long hole (22) are in position correspondence, and the fastening bolt (3) passes through the opening two (21) and the long hole (22).

6. A truck bed frame connection structure according to claim 4, wherein The fastening bolt (3) is provided with a placing hole (31), and the fastening bolt (3) is fixedly connected with a chain (7), and the chain (7) can be placed in the placing hole (31); One side of the U-shaped connecting plate one (1) is fixedly provided with a fixed ring (6), and the fixed ring (6) is coaxial with the through hole (12); The fixed ring (6) is provided with a threaded hole (61), one end of the chain (7) is provided with a limiting screw post (8), and the limiting screw post (8) is threadedly connected in the threaded hole (61).

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