Damping mechanism

Abstract

The utility model discloses a shock absorption mechanism which comprises a main frame and a rear fork, the rear fork is hinged with the main frame, a shock absorption structure is arranged between the main frame and the rear fork, the shock absorption structure comprises at least one shock absorber set, and the shock absorber set comprises a first shock absorber and a second shock absorber arranged beside the first shock absorber. The shock absorber sets are arranged between the rear fork and the main frame for shock absorption, each shock absorber set is composed of the first shock absorber and the second shock absorber, the double shock absorbers are better in shock absorption effect and can cope with various complex road conditions, one ends of the two shock absorbers are connected together through the seesaw, and the two shock absorbers are connected through the seesaw. The seesaw can evenly spread stress to the two shock absorbers, the two shock absorbers are evenly stressed, the shock absorption effect is better, and damage caused by uneven stress of the two shock absorbers is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of bicycle, electric vehicle junction frame, especially the technical field of shock absorbing structure. BACKGROUND

[0002] At present, bicycles, electric vehicles, motorcycles and other vehicles are essential means of transport in life, and in poor road sections, bicycles, electric vehicles, motorcycles and other vehicles are required to have high comfort, and the comfort is determined by the shock absorbing device of the bicycle. In order to make the vibration of the frame and the vehicle body decay rapidly, improve the smoothness and comfort of the vehicle driving, a shock absorber is generally installed on the vehicle suspension system, the shock absorber is a vulnerable part in the use process of the vehicle, and the working condition and the working quality will directly affect the stability of the vehicle driving and the service life of other machine parts. In order to achieve long-term riding comfort, the shock absorber also needs to be in good working condition for a long time, so the shock absorber is a key structural component of the bicycle, electric vehicle, motorcycle and other vehicles, which can relieve the impact caused by bumpy road and weaken the vibration in the driving process, and ensure the comfort of the rider and the durability of the vehicle.

[0003] In order to improve the comfort, some existing bicycles, electric vehicles and motorcycles are provided with two shock absorbers on both sides of the rear fork of the frame, and a total of four or more shock absorbers are provided to achieve effective shock absorption. For example, the Chinese utility model patent with publication number CN220391434U proposes a double shock absorbing type electric bicycle frame, which comprises a frame body, a front shock absorber and two rear shock absorbing groups. The front shock absorber is arranged in connection with the frame body, and the front shock absorber is arranged in horizontal extension. The frame body comprises a rear fork seat, and the rear shock absorbing group comprises a first shock absorber and a second shock absorber. In the direction away from the rear fork seat, the first shock absorber and the second shock absorber are arranged in opposite directions. However, the two shock absorbers of this structure have the problem that the two shock absorbers are independently arranged, and the uniform force of the two shock absorbers cannot be guaranteed during use. If the two shock absorbers are not uniformly stressed for a long time, the shock absorber with greater stress may be damaged, and the function of the two shock absorbers cannot be fully played. SUMMARY

[0004] The utility model aims at solving the problems in the prior art, and proposes a shock absorbing mechanism, which can absorb shock through two shock absorbers, improve the shock absorbing effect, and keep the two shock absorbers uniformly stressed.

[0005] In order to achieve the above object, the utility model provides a damping mechanism, including main frame, rear fork, the rear fork with hinge connection of main frame, be equipped with damping structure between main frame and rear fork, the damping structure includes at least one shock absorber group, the shock absorber group includes first shock absorber and second shock absorber in first shock absorber side, be equipped with shock absorber connecting portion on main frame, first shock absorber and second shock absorber one end are connected on shock absorber connecting portion, be equipped with a warped board on rear fork, the middle part of warped board is hinged connection with rear fork through the hinge piece, first shock absorber and second shock absorber the other end are hinged to the both ends of warped board respectively, or first shock absorber and second shock absorber one end are connected on rear fork, be equipped with a warped board on shock absorber connecting portion, the middle part of warped board is hinged connection with shock absorber connecting portion through the hinge piece, first shock absorber and second shock absorber the other end are hinged to the both ends of warped board respectively.

[0006] As preferred, the shock absorber group has two groups, which are respectively arranged on the two sides of the rear fork, and a gap for mounting wheels is arranged between the two shock absorber groups.

[0007] As preferred, the rear fork is provided with a fixing plate for cooperating with the damping structure.

[0008] As preferred, the first shock absorber and the second shock absorber are both arranged in an inclined manner, and the inclined direction is gradually inclined towards the main frame from bottom to top.

[0009] As preferred, the first shock absorber and the second shock absorber are respectively and symmetrically arranged at the two ends of the warped board.

[0010] As preferred, the first shock absorber and the second shock absorber are arranged in a parallel manner.

[0011] The damping mechanism has the advantages that: the utility model sets the shock absorber group between the rear fork and the main frame for damping, each shock absorber group is composed of two shock absorbers, i.e., the first shock absorber and the second shock absorber, the double shock absorbers have better damping effect and can cope with various complex road conditions, one end of the two shock absorbers is connected together through the warped board, the warped board can evenly distribute the stress to the two shock absorbers, the two shock absorbers are evenly stressed, the damping effect is better, and damage caused by uneven stress of the two shock absorbers is avoided.

[0012] The features and advantages of the utility model will be described in detail with reference to the embodiments and the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the three-dimensional structure schematic diagram of the damping mechanism.

[0014] Figure 2It is a main view structure schematic diagram of a damping mechanism.

[0015] Figure 3 It is a rear view structure schematic diagram of a damping mechanism.

[0016] Figure 4 It is a damping structure enlarged rear perspective structure schematic diagram of a damping mechanism.

[0017] Among them:

[0018] 1-main frame;2-rear fork;3-first shock absorber;4-second shock absorber;5-buckling plate;11-shock absorber connecting portion;21-fixed plate;51-hinge. Specific embodiments

[0019] In order to make the purpose, technical scheme and advantages of the utility model more clear and explicit, the following through the drawing and example, the utility model is further detailedly explained.But it should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the scope of the utility model.In addition, in the following description, the description of the known structure and technology is omitted, so as to avoid unnecessary confusion of the concept of the utility model.

[0020] In the description of the utility model, it should be explained that when an element is called "fixed to" or "set to" another element, it can be directly on another element or indirectly on another element.When an element is called "connected to" another element, it can be directly connected to another element or indirectly connected to another element.

[0021] In the description of the utility model, it should be explained that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawing, or the orientation or positional relationship commonly used when the utility model product is used, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.In addition, the terms "first", "second", "third" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.By this, the features limited by "first", "second" can explicitly or implicitly include one or more features.In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.The meaning of "several" is one or more than one, unless otherwise specifically limited.

[0022] In the description of the utility model, still need explaining, unless have explicit provision and limit, term " set ", " install ", " link ", " connect " should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connect, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirectly connected through intermediate medium, can be two element internal communication. For ordinary skilled person in the art, can understand the specific meaning of above-mentioned term in the utility model according to specific circumstances. Embodiment one:

[0023] Referring to Figures 1-4 The utility model discloses a damping mechanism, including main frame 1, rear fork 2, rear fork 2 with main frame 1 hinged connection, be equipped with damping structure between main frame 1 with rear fork 2, damping structure includes two shock absorber groups, two shock absorber groups are equipped on rear fork 2 both sides, and the clearance for installing wheel is equipped between two shock absorber groups, and each shock absorber group includes first shock absorber 3 and the second shock absorber 4 of being equipped with first shock absorber 3 side, be equipped with shock absorber connecting portion 11 on main frame 1, first shock absorber 3 with second shock absorber 4 one end is connected on shock absorber connecting portion 11, be equipped with a hinged plate 5 on rear fork 2, the middle part of hinged plate 5 is hinged connection with rear fork 2 through hinged part 51, and first shock absorber 3 with second shock absorber 4 are hinged in two ends of hinged plate 5. In this embodiment, the shock absorber group is arranged between rear fork 2 and main frame 1 to damp, and each shock absorber group is composed of first shock absorber 3 and second shock absorber 4 two shock absorbers, and the double shock absorber damping effect is better, can deal with various complex road conditions, and two shock absorbers are connected together through hinged plate 5 one end, and hinged plate 5 can evenly distribute the stress to two shock absorbers, and two shock absorbers are evenly stressed, and the damping effect is better, to avoid the damage caused by uneven stress of two shock absorbers. In another alternative embodiment, first shock absorber 3 and second shock absorber 4 one end can be connected on rear fork 2, and shock absorber connecting portion 11 is equipped with a hinged plate 5, and the middle part of hinged plate 5 is hinged connection with shock absorber connecting portion 11 through hinged part 51, and first shock absorber 3 and second shock absorber 4 other end are hinged in two ends of hinged plate 5. The person skilled in the art can select the appropriate position of hinged plate 5 according to the actual situation.

[0024] Referring to Figure 1 , Figure 4 Rear fork 2 is equipped with fixed plate 21, and hinged plate 5 is hinged and fixed on fixed plate 21 through hinged part 51. Fixed plate 21 facilitates the connection with hinged plate 5.

[0025] Referring to Figure 2 Figure 4The first shock absorber 3 and the second shock absorber 4 are both arranged obliquely, and the oblique direction is gradually inclined towards the main frame 1 from bottom to top.

[0026] Referring to Figure 2 Figure 4 The first shock absorber 3 and the second shock absorber 4 are symmetrically arranged at both ends of the rocker plate 5.

[0027] Preferably, the first shock absorber 3 and the second shock absorber 4 are arranged in parallel.

[0028] The working process of the shock-absorbing mechanism is as follows:

[0029] In the working process of the shock-absorbing mechanism, when the rear wheel is stressed, the force can be transmitted to the rear fork 2, so that the rear fork 2 is turned around the hinged connection position with the main frame 1, and the first shock absorber 3 and the second shock absorber 4 are pressed, the first shock absorber 3 and the second shock absorber 4 are stressed and compressed and deformed, and the rocker plate 5 is automatically turned and adjusted according to the stress conditions at both ends, so that the first shock absorber 3 and the second shock absorber 4 are kept uniform stress, and the two shock absorbers are uniformly stressed.

[0030] The standard parts used in the present application can be purchased from the market, and the specific connection mode of each part adopts the conventional means of bolts, rivets, welding and the like in the prior art, the internal components of the electric sliding rail sliding seat, the cylinder, the welding machine, the electric telescopic rod and the controller adopt the conventional types in the prior art, and the internal structure belongs to the prior art structure, and the workers can complete the normal operation according to the prior art manual, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0031] It should be noted that although the above embodiments have been described in the present text, the patent protection scope of the present utility model is not limited thereby. Therefore, based on the innovative concept of the present utility model, the changes and modifications of the embodiments described in the present text, or the equivalent structure or equivalent process conversion made by using the contents of the present utility model specification and drawings, directly or indirectly apply the above technical solutions to other related technical fields, are all included in the protection scope of the patent of the present utility model.

Claims

1. A damping mechanism, comprising a main frame (1), a rear fork (2) hingedly connected with the main frame (1), and a damping structure provided between the main frame (1) and the rear fork (2), characterized in that: The shock-absorbing structure comprises at least one shock-absorber group, the shock-absorber group comprises a first shock-absorber (3) and a second shock-absorber (4) arranged beside the first shock-absorber (3), a shock-absorber connecting part (11) is arranged on the main frame (1), one end of the first shock-absorber (3) and the second shock-absorber (4) is connected to the shock-absorber connecting part (11), a rocker plate (5) is arranged on the rear fork (2), the middle part of the rocker plate (5) is hingedly connected to the rear fork (2) through a hinge (51), the other end of the first shock-absorber (3) and the second shock-absorber (4) is respectively hingedly connected to the two ends of the rocker plate (5); or one end of the first shock-absorber (3) and the second shock-absorber (4) is connected to the rear fork (2), a rocker plate (5) is arranged on the shock-absorber connecting part (11), the middle part of the rocker plate (5) is hingedly connected to the shock-absorber connecting part (11) through a hinge (51), the other end of the first shock-absorber (3) and the second shock-absorber (4) is respectively hingedly connected to the two ends of the rocker plate (5).

2. A shock absorbing mechanism as claimed in claim 1, characterized in that: The shock-absorber group has two groups, and is arranged on both sides of the rear fork (2), and a gap for mounting wheels is arranged between the two shock-absorber groups.

3. A shock absorbing mechanism as claimed in claim 1, characterized in that: The rear fork (2) is provided with a fixing plate (21) for cooperating with the shock-absorbing structure.

4. A shock absorbing mechanism as claimed in claim 1, characterized in that: The first shock-absorber (3) and the second shock-absorber (4) are both arranged obliquely, and the oblique direction is gradually inclined towards the main frame (1) from bottom to top.

5. A shock absorbing mechanism as claimed in claim 1, wherein: The first shock-absorber (3) and the second shock-absorber (4) are respectively and symmetrically arranged at the two ends of the rocker plate (5).

6. A shock absorbing mechanism as in claim 1, wherein: The first shock-absorber (3) and the second shock-absorber (4) are arranged in parallel relative to each other.

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