CN214325293U

CN214325293U - High strength lightweight frame of high security performance

Info

Publication number: CN214325293U
Application number: CN202023316754.8U
Authority: CN
Inventors: 涂正东
Original assignee: Wuxi Jinzhengda Industry And Trade Co ltd
Current assignee: Wuxi Jinzhengda Industry And Trade Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-10-01
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a high-strength lightweight frame with high safety performance, which comprises a main beam pipe, a side pipe, a head pipe, a transverse connecting pipe and a central shaft pipe; the main beam pipe is in a forward-leaning posture, the upper end of the main beam pipe is connected with the joint pipe, and the lower end of the main beam pipe is connected with the transverse connecting pipe between the two side pipes; the two side pipes are symmetrically arranged around the main beam pipe, the front ends of the two side pipes are connected with the main beam pipe, the rear ends of the two side pipes extend to the rear part of the frame, and the side pipes extend in a U-shaped posture from front to back; the number of the transverse connecting pipes is multiple, and the transverse connecting pipes are spaced from each other to connect the two side pipes; the middle shaft tube is connected to the transverse connecting tube at the lower part of the side tube through the middle shaft tube connecting part; the frame still includes the gravity balance safety box that is located the bottom, and the gravity balance safety box is connected in side socle portion or is connected in the transverse connection pipe bottom that is located side socle lower part. The utility model has the advantages of good safety performance, high structural strength and light weight.

Description

High strength lightweight frame of high security performance

Technical Field

The utility model belongs to the technical field of electric vehicle frame, especially, relate to a high strength lightweight frame of high security performance.

Background

The design of the existing electric vehicle has some defects: in the riding process of the electric vehicle, the whole gravity center of the vehicle body is caused to incline and span is large in the inclined state, the frame does not have the falling stabilizing function, the electric vehicle is controlled by people completely, and the electric vehicle is easy to topple; the frame itself passes through saddle riser installation saddle, and on the one hand saddle riser itself from the top down inclines towards the rear portion of frame, leads to the frame center after leaning on, and overall stability is poor, causes the influence to the structural strength of frame itself

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the not enough of existence among the prior art, the utility model provides a high strength lightweight frame of high security performance has the advantage that the security performance is good, structural strength is high, light in weight.

The technical scheme is as follows: in order to achieve the purpose, the utility model discloses a high-strength lightweight frame with high safety performance, which comprises a main beam pipe, a side pipe, a head pipe, a transverse connecting pipe and a central shaft pipe; the main beam pipe is in a forward-leaning posture, the upper end of the main beam pipe is connected with the head pipe, and the lower end of the main beam pipe is connected with the transverse connecting pipe between the two side pipes; the two side pipes are symmetrically arranged relative to the main beam pipe, the front ends of the two side pipes are connected with the main beam pipe, the rear ends of the two side pipes extend towards the rear part of the frame, and the side pipes extend in a U-shaped posture from front to back; the number of the transverse connecting pipes is multiple, and the transverse connecting pipes are spaced from each other to connect the two side pipes; the middle shaft tube is connected to the transverse connecting tube at the lower part of the side tube through the middle shaft tube connecting part; the frame still includes the gravity balance safety box that is located the bottom, the gravity balance safety box is connected in side socle portion or is connected in the cross connection bottom of the pipe lower part that is located the side.

Furthermore, the gravity balance safety box comprises a box body and a box cover covering the box opening at the top of the box body; the bottom in the box cover is connected with a shaft lever through a right-angle connecting piece embedded with a bearing, and the shaft lever is arranged along the front and back directions of the frame in the axial direction; the bottom of the shaft lever is connected with a threaded rod through a vertical rod, and the shaft lever, the vertical rod and the threaded rod are connected to form an I-shaped structure with the shaft lever arranged above the vertical rod and below the threaded rod; the threaded rod is screwed with a plurality of counterweight rings, and the counterweight rings positioned on the same side of the vertical rod are fastened through nuts matched with the threaded rod.

Further, the number of weight rings on the threaded rod on both sides of the vertical rod remains the same.

The frame further comprises a U-shaped saddle seat frame which is horizontally arranged, the open end of the U-shaped saddle seat frame is connected with the rear end of the side pipe through a connecting part of the U-shaped saddle seat frame, the frame body of the U-shaped saddle seat frame horizontally extends towards the front part of the frame, and the bottom of the U-shaped saddle seat frame is provided with a reinforced connecting pipe which is inclined towards the rear part of the frame and is connected with the U-shaped saddle seat frame between the two side pipes.

Further, gravity balance safety box the lid is connected bottom the lateral connection pipe that is located the side socle portion or is located the side pipe lower part, lid and box body demountable installation, and box body and lid surface all coat rust-resistant paint.

Furthermore, at least one channel steel is welded between the main beam pipe and the two side pipes.

Has the advantages that: the utility model discloses a high strength lightweight frame of high security performance, beneficial effect as follows:

1) when the electric vehicle inclines in the riding process, the box body inclines along with the electric vehicle, the vertical rod is always kept in a vertical state under the action of the gravity of the counterweight ring, and the whole vehicle frame has a vertically downward falling acting force under the action of the counterweight ring, so that the probability of toppling of the electric vehicle in the inclined state is reduced, and the safety is greatly improved;

2) saddle seat frame compares in prior art saddle riser technique, the high advantage of structural stability on the one hand, and on the other hand makes the focus of whole frame be close to towards the central siphon level to make whole frame stability higher.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the gravity balanced security box;

fig. 3 is a state change example of the gravity balance safety box in the inclined state of the electric vehicle.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1, a high-strength lightweight frame with high safety performance, the frame 100 includes a main beam tube 1, side edge tubes 2, a head tube 3, a transverse connecting tube 4 and a central shaft tube 5; the main beam pipe 1 is in a forward-leaning posture, the upper end of the main beam pipe is connected with the head pipe 3, and the lower end of the main beam pipe is connected with the transverse connecting pipe 4 between the two side pipes 2; the two side pipes 2 are symmetrically arranged relative to the main beam pipe 1, the front ends of the side pipes are connected with the main beam pipe 1, the rear ends of the side pipes extend to the rear part of the frame 100, and the side pipes 2 extend in a U-shaped posture from front to rear; the number of the transverse connecting pipes 4 is multiple, and the transverse connecting pipes are spaced from each other to connect the two side pipes 2; the bottom bracket tube 5 is connected to the lateral connection tube 4 positioned at the lower portion of the side tube 2 by a bottom bracket tube connection part 50.

The frame 100 of the present invention further comprises a gravity balance safety box 9 located at the bottom, wherein the gravity balance safety box 9 is connected to the bottom of the side tube 2 or to the bottom of the transverse connecting tube 4 located at the lower part of the side tube 2, and more specifically, as shown in fig. 2, the gravity balance safety box 9 comprises a box body 91 and a box cover 92 covering the top box opening of the box body 91; the bottom in the box cover 92 is connected with a shaft rod 95 through a right-angle connector 93 embedded with a bearing 94, and the shaft rod 95 is arranged along the front and back directions of the frame 100 in the axial direction; the bottom of the shaft rod 95 is connected with a threaded rod 97 through a vertical rod 96, and the shaft rod 95, the vertical rod 96 and the threaded rod 97 are connected to form an I-shaped structure with the shaft rod 95 at the upper part, the vertical rod 96 at the middle part and the threaded rod 97 at the lower part; a plurality of weight rings 98 are screwed on the threaded rod 97, and the weight rings 98 on the same side of the vertical rod 96 are fastened by nuts 99 matched with the threaded rod 97. As can be known by combining the attached drawing 3, when the electric vehicle inclines in the riding process, the box body 91 inclines along with the electric vehicle, the vertical rod 96 always keeps in a vertical state under the action of gravity falling of the counterweight ring 98, and the whole vehicle frame 100 has a vertical downward falling acting force under the action of the counterweight ring 98, so that the probability of falling of the electric vehicle in the inclined state is reduced, and the safety is greatly improved.

It is worth noting that the number of the counterweight rings 98 on the threaded rod 97 positioned on the two sides of the vertical rod 96 is kept consistent, so that structural damage caused by unbalanced weight at the two ends of the threaded rod 97 is avoided, and the gravity falling of the whole frame is also guaranteed to keep the stability of safety.

Gravity balance safety box 9 lid 92 is connected with 2 bottoms of side pipe or the 4 bottoms of transverse connection pipe that are located 2 lower parts of side pipe, lid 92 and box body 91 demountable installation, easy dismounting improve and maintain the convenience, and box body 91 all coats rust-resistant paint with lid 92 surface, avoids the corrosion damage.

The utility model discloses a frame 100 still includes the U type saddle frame 6 that the level set up, the open end of U type saddle frame 6 passes through U type saddle frame connecting portion 60 and connects the rear end of side pipe 2, the frame body of U type saddle frame 6 extends towards the anterior level of frame 100, and U type saddle frame 6 compares in prior art's saddle riser technique, the high advantage of structural stability on the one hand, and on the other hand makes the focus of whole frame 100 be close to towards central siphon 5 level to make whole frame 100 stability higher, and U type saddle frame 6 bottom has the enhancement connecting pipe 7 that inclines to frame 100 rear portion and connect the U type saddle frame 6 between two side pipes 2, improves U type saddle frame 6 and the holistic joint strength of frame 100.

All welded connection has at least one channel-section steel 8 between girder pipe 1 and two side pipes 2, improves structural strength and saves materials.

More specifically, between girder pipe 1 and the side pipe 2, between girder pipe 1 and transverse connection pipe 4, between girder pipe 1 and head pipe 3, between side pipe 2 and transverse connection pipe 4, between U-shaped saddle frame 6 and reinforced connection pipe 7, all be connected through the welding mode between reinforced connection pipe 7 and transverse connection pipe 4, improve frame 100's overall structure intensity and stability.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a high strength lightweight frame of high security performance which characterized in that: the frame (100) comprises a main beam pipe (1), a side pipe (2), a head pipe (3), a transverse connecting pipe (4) and a central shaft pipe (5); the main beam pipe (1) is in a forward-leaning posture, the upper end of the main beam pipe is connected with the head pipe (3), and the lower end of the main beam pipe is connected with the transverse connecting pipe (4) between the two side pipes (2); the two side edge pipes (2) are symmetrically arranged relative to the main beam pipe (1), the front ends of the side edge pipes are connected with the main beam pipe (1), the rear ends of the side edge pipes extend to the rear part of the frame (100), and the side edge pipes (2) extend from front to rear in a U-shaped posture; the number of the transverse connecting pipes (4) is multiple, and the transverse connecting pipes are spaced from each other to connect the two side pipes (2); the middle shaft tube (5) is connected to a transverse connecting tube (4) positioned at the lower part of the side tube (2) through a middle shaft tube connecting part (50); the frame (100) further comprises a gravity balance safety box (9) located at the bottom, and the gravity balance safety box (9) is connected to the bottom of the side pipe (2) or connected to the bottom of the transverse connecting pipe (4) located at the lower part of the side pipe (2).

2. The high-strength light-weight frame with high safety performance as claimed in claim 1, is characterized in that: the gravity balance safety box (9) comprises a box body (91) and a box cover (92) covering a box opening at the top of the box body (91); the bottom in the box cover (92) is connected with a shaft lever (95) through a right-angle connecting piece (93) embedded with a bearing (94), and the shaft lever (95) is arranged along the front and back directions of the frame (100) in the axial direction; the bottom of the shaft lever (95) is connected with a threaded rod (97) through a vertical rod (96), and the shaft lever (95), the vertical rod (96) and the threaded rod (97) are connected to form an I-shaped structure with the shaft lever (95) on the upper part, the vertical rod (96) in the middle part and the threaded rod (97) on the lower part; the threaded rod (97) is screwed with a plurality of counterweight rings (98), and the counterweight rings (98) positioned on the same side of the vertical rod (96) are fastened through nuts (99) matched with the threaded rod (97).

3. The high-strength light-weight frame with high safety performance as claimed in claim 2, wherein: the number of the counterweight rings (98) on the threaded rod (97) on both sides of the vertical rod (96) is kept consistent.

4. The high-strength light-weight frame with high safety performance as claimed in claim 2, wherein: gravity balance safety box (9) lid (92) are connected bottom side pipe (2) bottom or transverse connection pipe (4) that are located side pipe (2) lower part, lid (92) and box body (91) demountable installation, and box body (91) and lid (92) surface all coat rust-resistant paint.

5. The high-strength light-weight frame with high safety performance as claimed in claim 1, is characterized in that: the bicycle frame (100) further comprises a U-shaped saddle seat frame (6) which is horizontally arranged, the open end of the U-shaped saddle seat frame (6) is connected with the rear end of the side pipe (2) through a U-shaped saddle seat frame connecting part (60), the frame body of the U-shaped saddle seat frame (6) horizontally extends towards the front part of the bicycle frame (100), and the bottom of the U-shaped saddle seat frame (6) is provided with a reinforcing connecting pipe (7) which inclines towards the rear part of the bicycle frame (100) and is connected with the U-shaped saddle seat frame (6) between the two side pipes (2).

6. The high-strength light-weight frame with high safety performance as claimed in claim 1, is characterized in that: at least one channel steel (8) is welded between the main beam pipe (1) and the two side pipes (2).