CN216969890U

CN216969890U - Storage battery car frame with dual shock-absorbing structure

Info

Publication number: CN216969890U
Application number: CN202220773705.7U
Authority: CN
Inventors: 陈寿海; 蒋国卫; 余国联
Original assignee: Taizhou Huangyan Kunpeng Automobile Co ltd
Current assignee: Taizhou Huangyan Kunpeng Automobile Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-07-15
Anticipated expiration: 2032-04-06

Abstract

The utility model discloses a storage battery car frame with a double-damping structure, which belongs to the technical field of storage battery car frames and comprises a steel pipe, two front beam frames symmetrically welded at two ends of the steel pipe, and a tail ejector rod and a tail bottom rod which are arranged on one side of the steel pipe, wherein both ends of the steel pipe are respectively provided with a first damping structure directly establishing a connection relation with the front beam frames, a second damping structure is arranged between the tail ejector rod and the tail bottom rod, the first damping structure at least comprises an upper protective cylinder, a lower protective cylinder and an inner sliding column which are welded at two ends of the front beam frame, the second damping structure at least comprises an upper prism, a lower prism and a punching rod, and two ends of the inner sliding column are respectively inserted into an inner cavity of the upper protective cylinder and an inner cavity of the lower protective cylinder in a sliding manner. This storage battery car frame with dual shock-absorbing structure can play good cushioning effect simultaneously to riding of storage battery car driving and by the carrier, has promoted the compressive capacity of this storage battery car frame, has effectively alleviateed the pressure to this storage battery car frame.

Description

Storage battery car frame with dual shock-absorbing structure

Technical Field

The utility model belongs to the technical field of a storage battery car frame, and particularly relates to a storage battery car frame with a double-damping structure.

Background

The battery cars are classified into ac battery cars and dc battery cars, and generally, the battery cars are vehicles that use batteries as energy sources, and convert electric energy into mechanical energy through a controller, a motor and other components to move so as to control the current and change the speed.

For a storage battery car, the frame structure is a backbone structure and plays a role in supporting the whole storage battery car, and the quality of the frame structure directly determines the pressure resistance of the storage battery car, namely the service life of the storage battery car. Most of the existing battery car frames are provided with a damping structure at the tail part, so that the rear part of the battery car can be well damped by a carrier, and the damping effect of the battery car on a riding car is very general.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a storage battery car frame with a double-damping structure, and aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the storage battery car frame with the double damping structures comprises a steel pipe, two front beam frames symmetrically welded at two ends of the steel pipe, and a tail ejector rod and a tail bottom rod which are arranged on one side of the steel pipe, wherein the two ends of the steel pipe are respectively provided with a first damping structure which is directly connected with the front beam frames, and a second damping structure is arranged between the tail ejector rod and the tail bottom rod;

the first shock absorption structure at least comprises an upper protective cylinder, a lower protective cylinder and an inner sliding column which are welded at two ends of the front beam frame, and the second shock absorption structure at least comprises an upper prism, a lower prism and a plunger.

As a preferred embodiment, two ends of the inner sliding column are respectively inserted into the inner cavity of the upper casing and the inner cavity of the lower casing in a sliding manner, and a side wall of the inner cavity of the upper casing and a side wall of the inner cavity of the lower casing, which are far away from each other, are fixedly connected with a first inner spring.

As a preferred embodiment, a sliding rod is fixedly welded to one side wall of the inner cavity of the upper casing and the inner cavity of the lower casing, which are far away from each other, and the two sliding rods are inserted into the inner sliding columns in a sliding manner.

As a preferred embodiment, two auxiliary wheels are fixedly arranged at both ends of the inner sliding column.

As the preferred embodiment, the equal fixedly connected with second inner spring of a lateral wall that prismatic inner chamber and the prismatic inner chamber of lower kept away from each other goes up above-mentioned, the equal fixedly connected with second backing plate of the one end that two above-mentioned second inner springs are close to each other, the both ends of above-mentioned jumper bar stretch into prismatic inner chamber and prismatic inner chamber down and respectively with two second backing plate welded fastening.

In a preferred embodiment, a side wall of the upper prismatic inner cavity and a side wall of the lower prismatic inner cavity, which are far away from each other, are welded with abutting blocks.

This storage battery car frame with dual shock-absorbing structure's technological effect and advantage:

the pressure generated by a rider can be subjected to shock absorption and buffering through the action of the first shock absorption structure, and the pressure applied above the tail ejector rod can be subjected to shock absorption through the second shock absorption structure between the tail ejector rod and the tail bottom rod, so that good shock absorption can be simultaneously performed on the riding vehicle and the carried rider of the battery car through the double shock absorption, the pressure resistance of the frame of the battery car is improved, and the pressure on the frame of the battery car is effectively reduced;

through the auxiliary wheel that sets up at inner slide post both ends for inner slide post and last protect a section of thick bamboo and inner slide post and protect down the friction between a section of thick bamboo and reduce, thereby reduced inner slide post, last protect a section of thick bamboo and protect down wearing and tearing between the section of thick bamboo, prolonged the life-span of this storage battery car frame.

Drawings

FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a front view of an embodiment of the present invention;

FIG. 3 is a cross-sectional view taken along A-A of the embodiment of FIG. 1 of the present invention;

FIG. 4 is an enlarged view of the embodiment of the present invention shown at B in FIG. 3;

fig. 5 is an enlarged view of the embodiment of the utility model at C in fig. 3.

In the figure: 1. a steel pipe; 2. a front beam frame; 3. a tail ejector rod; 4. a tail bottom rod; 5. a first shock-absorbing structure; 6. a second shock-absorbing structure; 7. an upper protective cylinder; 8. a lower protective cylinder; 9. an inner strut; 10. a first inner spring; 11. a slide bar; 12. a first backing plate; 13. an auxiliary wheel; 14. a soft cushion; 15. an upper prism; 16. a lower prism; 17. punching; 18. a second inner spring; 19. a butting block; 20. a second backing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Please refer to fig. 1 to 5, which illustrate an electric bicycle frame with a dual damping structure, comprising:

the bicycle comprises a steel pipe 1 and two front beam frames 2 symmetrically welded at two ends of the steel pipe 1, wherein a first section of each front beam frame 2 is obliquely designed, an included angle between the first section of each front beam frame 2 and a horizontal line is 45-70 degrees, a second section of each front beam frame 2 is horizontally designed, a third section of each front beam frame 2 is designed in a C shape, the third section is used for bearing the pressure of limbs above the hip of a riding bicycle, and the three sections of the front beam frames 2 are connected into a whole by adopting a welding process;

set up in tail ejector pin 3 and the tail sill bar 4 of steel pipe 1 one side, all be equipped with in the both ends of steel pipe 1 with the first shock-absorbing structure 5 of 2 direct set-up connection relations of front beam frame, tail ejector pin 3 and tail sill bar 4 all weld on the outer wall of steel pipe 1, and are equipped with second shock-absorbing structure 6 between tail ejector pin 3 and the tail sill bar 4.

The first shock-absorbing structure 5 is peculiar in that: the first damping structure 5 at least comprises an upper protective cylinder 7 and a lower protective cylinder 8 welded at two ends of the front beam frame 2 and an inner slide column 9 arranged between the upper protective cylinder 7 and the lower protective cylinder 8, two ends of the inner slide column 9 are respectively inserted into an inner cavity of the upper protective cylinder 7 and an inner cavity of the lower protective cylinder 8 in a sliding manner, a side wall of the inner cavity of the upper protective cylinder 7 and a side wall of the inner cavity of the lower protective cylinder 8, which are far away from each other, are fixedly connected with first inner springs 10, a side wall of the inner cavity of the upper protective cylinder 7 and a side wall of the inner cavity of the lower protective cylinder 8 are also fixedly welded with slide rods 11, the first inner springs 10 are sleeved outside the slide rods 11, the two slide rods 11 are both inserted into the inner slide column 9 in a sliding manner, so that the slide rods 11 can slide along the inner wall of the inner slide column 9, the stability of the sliding track of the inner slide column 9 is ensured, the abrasion of the inner slide column 9 is reduced, the service life is prolonged, but the two slide rods 11 are not in contact with each other, one end of the two first inner springs 10 is fixedly connected with a first cushion plate 12, two ends of the inner sliding column 9 are respectively welded and fixed with two first backing plates 12, and the side walls of the first backing plates 12 are attached to the inner wall of the upper protective cylinder 7 or the inner wall of the lower protective cylinder 8 and can slide along the inner wall of the upper protective cylinder 7 or the inner wall of the lower protective cylinder 8;

it is worth noting that: two auxiliary wheels 13 are fixedly mounted at two ends of the inner slide column 9, two auxiliary wheels 13 at one end of the inner slide column 9 are attached to inner walls of two sides of the upper protective cylinder 7, two auxiliary wheels 13 at the other end of the inner slide column 9 are attached to inner walls of two sides of the lower protective cylinder 8, when the inner slide column 9 slides in the upper protective cylinder 7 and the lower protective cylinder 8, the auxiliary wheels 13 on the inner slide column 9 roll along the inner walls of the upper protective cylinder 7 and the lower protective cylinder 8, so that abrasion between the inner slide column 9 and the upper protective cylinder 7 and the lower protective cylinder 8 is reduced, a cushion 14 is fixedly bonded to one side wall of the inner cavity of the upper protective cylinder 7 and the inner cavity of the lower protective cylinder 8, rubber or silica gel is preferably selected as a material, the cushion for the auxiliary wheels 13 is achieved, and collision between the auxiliary wheels 13 and the upper protective cylinder 7 or the lower protective cylinder 8 is avoided.

The second shock-absorbing structure 6 is peculiar in that: the second shock absorption structure 6 at least comprises an upper prism 15 welded on the bottom wall of the tail bottom rod 4, a lower prism 16 welded on the top wall of the first shock absorption structure 5 and a punch 17 arranged between the upper prism 15 and the lower prism 16, wherein one side wall of the inner cavity of the upper prism 15 and one side wall of the inner cavity of the lower prism 16, which are far away from each other, are fixedly connected with second inner springs 18, one side wall of the inner cavity of the upper prism 15 and one side wall of the inner cavity of the lower prism 16, which are far away from each other, are also welded with abutting blocks 19, one ends, which are close to each other, of the two second inner springs 18 are fixedly connected with second base plates 20, the two abutting blocks 19 are respectively used for abutting against the two second base plates 20, the side walls of the second base plates 20 are attached to the inner wall of the upper prism 15 or the inner wall of the lower prism 16 and can slide along the inner walls of the upper prism 15 and the lower prism 16, and two ends of the punch 17 extend into the inner cavities of the upper prism 15 and the lower prism 16 and are respectively welded and fixed with the two second base plates 20, the two second inner springs 18 are prevented from being excessively compressed and damaged.

During actual production, the cushion is arranged at the top of the third section of the front beam frame 2, so that the riding vehicle sits on the cushion, the pressure of the part above the hip of the body of the riding vehicle is directly applied to the third section of the front beam frame 2, then a small part of the pressure is transmitted downwards through the third section of the front beam frame 2, most of the pressure is applied to the first damping structure 5, namely the pressure is firstly applied to the upper protective cylinder 7, the upper protective cylinder 7 sinks to drive the inner sliding column 9 to sink, the two first inner springs 10 are compressed and drive the two sliding rods 11 to be inserted into the inner sliding column 9 more, meanwhile, auxiliary wheels 13 (four in total) at two ends of the inner sliding column 9 slide along the inner wall of the upper protective cylinder 7 and the inner wall of the lower protective cylinder 8 respectively, and due to the two first inner springs 10, the pressure can be buffered gradually, when the auxiliary wheel 13 at one end of the inner sliding column 9 is contacted with the soft cushion 14, the auxiliary wheel 13 and the inner slide column 9 both move to the farthest position where they can be compressed, and the damping effect of the first damping structure 5 reaches the highest;

the cushion at the tail part of the battery car is arranged on the tail bottom rod 4, if a person sits on the cushion at the tail part, pressure is applied to the second damping structure 6, namely the second damping structure is applied to the upper prism 15, so that the punch 17 and the lower prism 16 sink, meanwhile, the two second inner springs 18 are compressed, so that the upper prism 15, the lower prism 16 and the punch 17 sink, when one of the abutting blocks 19 abuts against the second base plate 20, the second inner spring 18 outside the abutting block 19 is compressed to the shortest position, and at the moment, the damping effect of the second damping structure 6 is highest;

through foretell dual shock attenuation, ride driving and the carrier to the storage battery car all can play good cushioning effect, and effectively alleviateed the pressure to this storage battery car frame, increase of service life.

The above description is only the specific implementation manner of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art should be covered within the protection scope of the present invention in the technical scope disclosed by the present invention, according to the technical solution of the present invention and the concept of the present invention, equivalent replacement or change is added.

Claims

1. The utility model provides a storage battery car frame with dual shock-absorbing structure, includes steel pipe (1), two symmetrical weld in preceding roof beam structure (2) at steel pipe (1) both ends and set up in tail ejector pin (3) and tail sill bar (4) of steel pipe (1) one side, its characterized in that: the two ends of the steel pipe (1) are respectively provided with a first damping structure (5) which is directly connected with the front beam frame (2), and a second damping structure (6) is arranged between the tail ejector rod (3) and the tail bottom rod (4);

the first shock absorption structure (5) at least comprises an upper protective cylinder (7) and a lower protective cylinder (8) which are welded at two ends of the front beam frame (2) and an inner sliding column (9), and the second shock absorption structure (6) at least comprises an upper prism (15), a lower prism (16) and a punch rod (17).

2. The battery car frame with the double shock absorption structure as claimed in claim 1, wherein: the two ends of the inner sliding column (9) are respectively inserted into the inner cavity of the upper protective cylinder (7) and the inner cavity of the lower protective cylinder (8) in a sliding manner, and the inner cavity of the upper protective cylinder (7) and the inner cavity of the lower protective cylinder (8) are respectively and fixedly connected with a first inner spring (10) on one side wall which is far away from each other.

3. The battery car frame with double shock-absorbing structure of claim 2, characterized in that: and a sliding rod (11) is fixedly welded on one side wall of the inner cavity of the upper protective cylinder (7) and the inner cavity of the lower protective cylinder (8) which are far away from each other, and the two sliding rods (11) are all slidably inserted into the inner sliding column (9).

4. The frame of the battery car with the double shock absorption structure as claimed in claim 3, characterized in that: two auxiliary wheels (13) are fixedly mounted at two ends of the inner sliding column (9).

5. The battery car frame with the double shock absorption structure as claimed in claim 1, wherein: go up prismatic (15) inner chamber and prismatic (16) inner chamber and keep away from the equal fixedly connected with second inner spring (18) of a lateral wall each other, two the equal fixedly connected with second backing plate (20) of one end that second inner spring (18) are close to each other, the both ends of jumper bar (17) stretch into prismatic (15) inner chamber and prismatic (16) inner chamber down in and respectively with two second backing plate (20) welded fastening.

6. The frame of the battery car with the double shock absorption structure as claimed in claim 5, wherein: and a butting block (19) is further welded on one side wall of the inner cavity of the upper prism (15) and the inner cavity of the lower prism (16) which are far away from each other.