CN211076206U

CN211076206U - Frame with middle double-damping structure and rear-inserted damping structure

Info

Publication number: CN211076206U
Application number: CN201921668577.4U
Authority: CN
Inventors: 何伟城
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-07-24
Anticipated expiration: 2029-10-08

Abstract

The utility model discloses a frame with a middle double-damping structure and a rear-insert damping structure, which comprises a middle tube, wherein the middle tube is hollow and is provided with an open slot; a first transverse pipe and a second transverse pipe are respectively arranged on two sides of the middle pipe close to the upper part, and a five-way round pipe is arranged on the lower part of the middle pipe through a reinforcing sheet; the first transverse pipe and the second transverse pipe are respectively sleeved with a left limiting piece and a right limiting piece, and the left limiting piece and the right limiting piece are respectively connected with the middle connecting rod through a left front shock absorber module and a right front shock absorber module; the first transverse pipe and the second transverse pipe are respectively provided with a left connecting rod and a right connecting rod, the first transverse pipe and the second transverse pipe are respectively provided with an upper connecting rod, and the left connecting rod and the right connecting rod are both connected with the upper connecting rods; the five-way pipe symmetry is provided with left back connecting rod and right back connecting rod, and left back connecting rod and right back connecting rod are connected with left connecting rod and right connecting rod through left back bumper shock absorber module, right back bumper shock absorber module respectively.

Description

Frame with middle double-damping structure and rear-inserted damping structure

Technical Field

The utility model relates to an electric bicycle shock attenuation technical field specifically is a frame with put two shock-absorbing structure and insert shock-absorbing structure after with.

Background

Green trips are advocated globally, the electric bicycle can effectively avoid air pollution, and the electric bicycle becomes a short-distance travel tool for green trips, convenience and relaxation. Electric bicycle is as an instrument of riding instead of walk, places the space demand in the face of different road conditions and compact, and the user needs electric bicycle to have better shock attenuation nature and folding function for improve the comfort level of riding and folding function make things convenient for it to place in littleer space.

The shock-absorbing structure disclosed in the 'folding frame of an electric bicycle' disclosed in the Chinese patent No. Z L200520074578.7 is not repeated because more of the shock-absorbing structure belongs to the prior art, and is modified on the basis of the above patent, for example, the shock-absorbing structure is also modified on the basis of the Chinese patent Nos. 201821739480.3 and 201821816070.4 and is also arranged between a rear insert and a rear wheel connecting port on a frame.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a put two shock-absorbing structure and insert shock-absorbing structure's frame after with to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a frame with a middle-mounted double-damping structure and a rear-mounted damping structure comprises a middle pipe, wherein the middle pipe is hollow and is provided with an open slot; a first transverse pipe and a second transverse pipe are respectively arranged on two sides of the middle pipe, a five-way round pipe is arranged at the lower part of the middle pipe through a reinforcing sheet, and the five-way round pipe is connected with the middle connecting rod; the side surfaces of the first transverse pipe and the second transverse pipe are respectively provided with a left upper connecting rod and a right upper connecting rod, the first transverse pipe and the second transverse pipe are respectively provided with an annular connecting rod, and the left upper connecting rod and the right upper connecting rod are respectively connected with the annular connecting rods; a mounting seat is arranged on the lower side of the five-way round pipe, and a third sleeve is arranged in the mounting seat; the third sleeve is provided with a left connecting piece and a right connecting piece through a second screw connecting rod, the left connecting piece and the right connecting piece are respectively connected with a left lower connecting rod and a right lower connecting rod, and the left lower connecting rod and the right lower connecting rod are respectively connected with a left upper connecting rod and a right upper connecting rod through a first damper module and a second damper module; the first transverse pipe and the second transverse pipe are respectively sleeved with a left limiting piece and a right limiting piece, and the left limiting piece and the right limiting piece are respectively connected with the middle connecting rod through a third shock absorber module and a fourth shock absorber module.

Preferably, the upper left connecting rod and the upper right connecting rod are both in a V-shaped structure, a second reinforcing rod is arranged between the upper left connecting rod and the upper right connecting rod, an L-shaped battery placing plate is arranged at the bottom of the middle pipe and fixedly connected with the second reinforcing rod, an included angle between two surfaces of the battery placing plate is 90 degrees, an included angle of 1 degree is formed between the corresponding surface of the battery placing plate and the middle pipe, and an included angle between the bottom surface of the battery placing plate and the upper side of the middle pipe is 91 degrees.

Preferably, the annular connecting rod is of a U-shaped structure, and two ends of the U-shaped structure are respectively connected to the first transverse pipe and the second transverse pipe; the annular connecting rod is sequentially provided with a baffle ring, a first fixed limiting base plate, a second fixed limiting base plate and a third fixed limiting base plate.

Preferably, a first sleeve is arranged between the left limiting piece and the right limiting piece through a third screw connecting rod, and the first sleeve is connected with the third shock absorber module and the fourth shock absorber module.

Preferably, the middle connecting rod is connected with a frame folding box, and a middle limiter is arranged on the frame folding box; and a second sleeve is arranged in the middle-placed limiter through a fourth screw connecting rod and is connected with the third shock absorber module and the fourth shock absorber module.

Preferably, five-way pipe top is provided with left stationary blade and right stationary blade, is provided with the dwang through first screw connecting rod between left stationary blade and the right stationary blade, the dwang is connected with the middle connecting rod.

Preferably, the left lower connecting rod and the right lower connecting rod are both in a J-shaped structure, a first reinforcing rod is arranged between the left lower connecting rod and the right lower connecting rod, and a fixing hole is formed in the first reinforcing rod; and the cross sections of the two ends of the left lower connecting rod and the right lower connecting rod are respectively provided with a left lower stopper and a right lower stopper, and the left lower stopper and the right lower stopper are respectively connected with the first shock absorber module and the second shock absorber module through a fifth screw connecting rod and a seventh screw connecting rod.

Preferably, the left lower connecting rod and the right lower connecting rod are respectively provided with a left claw and a right claw at the bent positions.

Preferably, the upper left connecting rod and the upper right connecting rod are respectively provided with an upper left stopper and an upper right stopper, and the upper left stopper and the upper right stopper are respectively connected with the first shock absorber module and the second shock absorber module through a sixth screw connecting rod and an eighth screw connecting rod.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses when the atress is shaken, the middle-placed connecting rod is relative well tubular elastic swing, left and right lower connecting rod and left and right connecting piece are relative well tubular and left and right upper connecting rod do the elastic swing, left and right lower connecting rod tip cross-section and left and right lower stopper lug connection, reached the succinct of connection and the increase of connecting face and also greatly increased the firm degree at here, left hook claw, right hook claw and the left lower connecting rod of corresponding side, right lower connecting rod buckling part is connected, the hook claw is not directly fixed with left lower stopper, right lower stopper, can independently atress, the intensity and the security that dog claw received force have been protected, the position of battery placing plate can be fixed after reciprocating along well tubular, ground clearance can be adjusted, conveniently reduce battery case height thereby reduce focus height and seat height, thereby reach multiple two shock attenuations, the shock attenuation effect is obvious, riding comfort level obviously increases, the safety is high.

Drawings

Fig. 1 is a schematic structural view of the present invention;

reference numbers in the figures: 1. a middle tube; 2. a first cross tube; 3. a second cross tube; 4. a left limiting sheet; 5. a first sleeve; 6. a second sleeve; 7. a middle stopper; 8. a middle connecting rod; 9. rotating the rod; 10. a first screw link; 11. a left fixing sheet; 12. a five-way round tube; 13. a reinforcing sheet; 14. a third sleeve; 15. A second screw link; 16. a mounting seat; 17. a left connecting sheet; 18. a right connecting sheet; 19. a battery placing plate; 20. a left lower connecting rod; 21. a lower right connecting rod; 22. a first reinforcement bar; 23. a fixing hole; 24. a left lower stopper; 25. a right lower limiter; 26. a left knuckle; 27. a right claw; 28. a left upper connecting rod; 29. a right upper connecting rod; 30. an annular connecting rod; 31. a baffle ring; 32. a first fixed limit backing plate; 33. a second fixed limit base plate; 34. a third fixed limit base plate; 35. a left upper limiter; 36. a right upper limiter; 37. a frame folding box; 38. a first shock absorber module; 39. a second shock absorber module; 40. A right limiting sheet; 41. a second reinforcement bar; 42. a third screw link; 43. a third shock absorber module; 44. A fourth shock absorber module; 45. a fourth screw link; 46. an open slot; 47. a fifth screw link; 48. A sixth screw link; 49. a seventh screw link; 50. an eighth screw link; 51. and a right fixing sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and can be communicated with each other inside the two components or hinged with each other. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1, the present invention provides a technical solution: a frame with a middle-mounted double-damping structure and a rear-mounted damping structure comprises a middle pipe 1, wherein the middle pipe 1 is hollow and is provided with an open slot 46; a first horizontal pipe 2 and a second horizontal pipe 3 are respectively arranged on two sides of the middle pipe 1, a five-way round pipe 12 is arranged at the lower part of the middle pipe 1 through a reinforcing sheet 13, and the five-way round pipe 12 is connected with the middle connecting rod 8; the side surfaces of the first transverse pipe 2 and the second transverse pipe 3 are respectively provided with a left upper connecting rod 28 and a right upper connecting rod 29, the first transverse pipe 2 and the second transverse pipe 3 are respectively provided with an annular connecting rod 30, and the left upper connecting rod 28 and the right upper connecting rod 29 are both connected with the annular connecting rod 30; a mounting seat 16 is arranged on the lower side of the five-way round pipe 12, and a third sleeve 14 is arranged in the mounting seat 16; the third sleeve 14 is provided with a left connecting piece 17 and a right connecting piece 18 through a second screw connecting rod 15, the left connecting piece 17 and the right connecting piece 18 are respectively connected with a left lower connecting rod 20 and a right lower connecting rod 21, and the left lower connecting rod 20 and the right lower connecting rod 21 are respectively connected with a left upper connecting rod 28 and a right upper connecting rod 29 through a first shock absorber module 38 and a second shock absorber module 39; the first horizontal pipe 2 and the second horizontal pipe 3 are respectively sleeved with a left limiting piece 4 and a right limiting piece 40, and the left limiting piece 4 and the right limiting piece 40 are respectively connected with the middle connecting rod 8 through a third shock absorber module 43 and a fourth shock absorber module 44.

Furthermore, the upper left connecting rod 28 and the upper right connecting rod 29 are both in a V-shaped structure, a second reinforcing rod 41 is arranged between the upper left connecting rod and the upper right connecting rod, an L-shaped battery placing plate 19 is arranged at the bottom of the middle pipe 1, the battery placing plate 19 is fixedly connected with the second reinforcing rod 41, an included angle between two surfaces of the battery placing plate 19 is 90 degrees, an included angle between the corresponding surface of the battery placing plate 19 and the middle pipe 1 is 1 degree, and an included angle between the bottom surface of the battery placing plate 19 and the upper side of the middle pipe 1 is 91 degrees.

Further, the annular connecting rod 30 is in a U-shaped structure, and two ends of the U-shaped structure are respectively connected to the first horizontal pipe 2 and the second horizontal pipe 3; a baffle ring 31, a first fixed limit cushion plate 32, a second fixed limit cushion plate 33 and a third fixed limit cushion plate 34 are sequentially arranged on the annular connecting rod 30.

Further, a first sleeve 5 is arranged between the left limiting piece 4 and the right limiting piece 40 through a third screw connecting rod 42, and the first sleeve 5 is connected with a third shock absorber module 43 and a fourth shock absorber module 44.

Further, the middle connecting rod 8 is connected with a frame folding box 37, and a middle limiter 7 is arranged on the frame folding box 37; a second sleeve 6 is arranged in the middle position limiter 7 through a fourth screw connecting rod 45, and the second sleeve 6 is connected with a third shock absorber module 43 and a fourth shock absorber module 44.

Further, a left fixing plate 11 and a right fixing plate 51 are arranged above the five-way round pipe 12, a rotating rod 9 is arranged between the left fixing plate 11 and the right fixing plate 51 through a first screw connecting rod 10, and the rotating rod 9 is connected with the middle connecting rod 8.

Further, the left lower connecting rod 20 and the right lower connecting rod 21 are both in a J-shaped structure, a first reinforcing rod 22 is arranged between the left lower connecting rod 20 and the right lower connecting rod 21, and a fixing hole 23 is formed in the first reinforcing rod 22; the cross sections of the two ends of the left lower connecting rod 20 and the right lower connecting rod 21 are respectively provided with a left lower stopper 24 and a right lower stopper 25, and the left lower stopper 24 and the right lower stopper 25 are respectively connected with the first shock absorber module 38 and the second shock absorber module 39 through a fifth screw connecting rod 47 and a seventh screw connecting rod 49.

Further, a left claw 26 and a right claw 27 are respectively arranged at the bent parts of the left lower connecting rod 20 and the right lower connecting rod 21.

Further, the upper left stopper 35 and the upper right stopper 36 are respectively disposed on the upper left connecting rod 28 and the upper right connecting rod 29, and the upper left stopper 35 and the upper right stopper 36 are respectively connected to the first shock absorber module 38 and the second shock absorber module 39 through a sixth screw connecting rod 48 and an eighth screw connecting rod 50.

The working principle is that a seat tube of the cushion is inserted into a circular cavity of the middle tube 1, the tightness degree is adjusted through the open slot 46, the L-shaped battery placing plate 19 is used for placing batteries of the electric vehicle, two ends of the battery placing plate 19 are fixedly connected with the middle tube 1 and the second reinforcing rod 41 respectively, and the arrangement mode is firm.

When the middle pipe 1 is stressed to shake, the middle connecting rod 8 can elastically swing and shake under the action of the third shock absorber module 43 and the fourth shock absorber module 44; the left lower connecting rod 20, the right lower connecting rod 21, the left connecting sheet 17 and the right connecting sheet 18 elastically swing and rock under the action of the first shock absorber module 38 and the second shock absorber module 39; in both ways, the shock is damped.

The first damper module 38, the second damper module 39, the third damper module 43 and the fourth damper module 44 are conventional universal spring damper modules, and the length is not limited and can be determined according to the actual connection size; the left and

right claws

26 and 27 are used to fix the rear wheel; the annular connecting rod 30 is provided with a baffle ring 31, a first fixed limiting cushion plate 32, a second fixed limiting cushion plate 33 and a third fixed limiting cushion plate 34, wherein the first fixed limiting cushion plate 32, the second fixed limiting cushion plate 33 and the third fixed limiting cushion plate 34 are respectively provided with a screw hole for fixing a back seat, and the baffle ring 31 can be used as a handrail; meanwhile, the screw holes in the first fixing limit backing plate 32, the second fixing limit backing plate 33 and the third fixing limit backing plate 34 can also be used for installing and fixing a control box of the electric bicycle.

A first reinforcing rod 22 is arranged between the left lower connecting rod 20 and the right lower connecting rod 21, a second reinforcing rod 41 is arranged between the left upper connecting rod 28 and the right upper connecting rod 29, and the arrangement of the reinforcing rods can enhance the connecting strength of the corresponding rod bodies; meanwhile, the rear wheel fender can be fixed through the fixing hole 23 formed in the first reinforcing rod 22.

The middle stopper 7, the left lower stopper 24, the right lower stopper 25, the left upper stopper 35 and the right upper stopper 36 are arranged to limit the rotation angle of the corresponding shock absorber module and the movement of the left position and the right position of the shock absorber module, so that a certain limiting effect is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a frame with put two shock-absorbing structure and insert shock-absorbing structure after with which characterized in that: comprises a middle pipe (1), wherein the middle pipe (1) is hollow and is provided with an open slot (46); a first transverse pipe (2) and a second transverse pipe (3) are respectively arranged on two sides of the middle pipe (1), a five-way round pipe (12) is arranged at the lower part of the middle pipe (1) through a reinforcing sheet (13), and the five-way round pipe (12) is connected with the middle connecting rod (8); the side surfaces of the first transverse pipe (2) and the second transverse pipe (3) are respectively provided with a left upper connecting rod (28) and a right upper connecting rod (29), the first transverse pipe (2) and the second transverse pipe (3) are respectively provided with an annular connecting rod (30), and the left upper connecting rod (28) and the right upper connecting rod (29) are respectively connected with the annular connecting rods (30); a mounting seat (16) is arranged on the lower side of the five-way round pipe (12), and a third sleeve (14) is arranged in the mounting seat (16); the third sleeve (14) is provided with a left connecting piece (17) and a right connecting piece (18) through a second screw connecting rod (15), the left connecting piece (17) and the right connecting piece (18) are respectively connected with a left lower connecting rod (20) and a right lower connecting rod (21), and the left lower connecting rod (20) and the right lower connecting rod (21) are respectively connected with a left upper connecting rod (28) and a right upper connecting rod (29) through a first shock absorber module (38) and a second shock absorber module (39); the first transverse pipe (2) and the second transverse pipe (3) are sleeved with a left limiting piece (4) and a right limiting piece (40) respectively, and the left limiting piece (4) and the right limiting piece (40) are connected with the middle connecting rod (8) through a third shock absorber module (43) and a fourth shock absorber module (44) respectively.

2. The frame with the middle-mounted double-damping structure and the rear-mounted damping structure according to claim 1 is characterized in that the left upper connecting rod (28) and the right upper connecting rod (29) are both in a V-shaped structure, a second reinforcing rod (41) is arranged between the left upper connecting rod and the right upper connecting rod, an L-shaped battery placing plate (19) is arranged at the bottom of the middle pipe (1), the battery placing plate (19) is fixedly connected with the second reinforcing rod (41), an included angle between two surfaces of the battery placing plate (19) is 90 degrees, an included angle between a corresponding surface of the battery placing plate (19) and the middle pipe (1) is 1 degree, and an included angle between the bottom surface of the battery placing plate (19) and the upper portion of the middle pipe (1) is 91 degrees.

3. The vehicle frame with the centrally-located dual shock absorbing structure and the rear-located shock absorbing structure of claim 1, wherein: the annular connecting rod (30) is of a U-shaped structure, and two ends of the U-shaped structure are respectively connected to the first transverse pipe (2) and the second transverse pipe (3); the annular connecting rod (30) is sequentially provided with a baffle ring (31), a first fixed limiting cushion plate (32), a second fixed limiting cushion plate (33) and a third fixed limiting cushion plate (34).

4. The vehicle frame with the centrally-located dual shock absorbing structure and the rear-located shock absorbing structure of claim 1, wherein: a first sleeve (5) is arranged between the left limiting piece (4) and the right limiting piece (40) through a third screw connecting rod (42), and the first sleeve (5) is connected with a third shock absorber module (43) and a fourth shock absorber module (44).

5. The vehicle frame with the centrally-located dual shock absorbing structure and the rear-located shock absorbing structure of claim 1, wherein: the middle connecting rod (8) is connected with a frame folding box (37), and a middle limiter (7) is arranged on the frame folding box (37); a second sleeve (6) is arranged in the middle position limiter (7) through a fourth screw connecting rod (45), and the second sleeve (6) is connected with a third shock absorber module (43) and a fourth shock absorber module (44).

6. The vehicle frame with the centrally-located dual shock absorbing structure and the rear-located shock absorbing structure of claim 1, wherein: five-way pipe (12) top is provided with left stationary blade (11) and right stationary blade (51), is provided with dwang (9) through first screw connecting rod (10) between left stationary blade (11) and right stationary blade (51), dwang (9) are connected with middle connecting rod (8).

7. The vehicle frame with the centrally-located dual shock absorbing structure and the rear-located shock absorbing structure of claim 1, wherein: the left lower connecting rod (20) and the right lower connecting rod (21) are both in J-shaped structures, a first reinforcing rod (22) is arranged between the left lower connecting rod (20) and the right lower connecting rod (21), and a fixing hole (23) is formed in the first reinforcing rod (22); the cross sections of the two ends of the end sections of the left lower connecting rod (20) and the right lower connecting rod (21) are respectively provided with a left lower stopper (24) and a right lower stopper (25), and the left lower stopper (24) and the right lower stopper (25) are respectively connected with the first shock absorber module (38) and the second shock absorber module (39) through a fifth screw connecting rod (47) and a seventh screw connecting rod (49).

8. The vehicle frame with the centrally-located dual shock absorbing structure and the rear-located shock absorbing structure of claim 7, wherein: the bent parts of the left lower connecting rod (20) and the right lower connecting rod (21) are respectively provided with a left claw (26) and a right claw (27).

9. The vehicle frame with the centrally-located dual shock absorbing structure and the rear-located shock absorbing structure of claim 1, wherein: the left upper connecting rod (28) and the right upper connecting rod (29) are respectively provided with a left upper stopper (35) and a right upper stopper (36), and the left upper stopper (35) and the right upper stopper (36) are respectively connected with the first shock absorber module (38) and the second shock absorber module (39) through a sixth screw connecting rod (48) and an eighth screw connecting rod (50).