Multi-stage buffering electric vehicle damping device

Abstract

The utility model discloses a multistage buffering electric vehicle damping device which comprises a first-stage damper and a second-stage damper, the second-stage damper is arranged on one side of the first-stage damper, the second-stage damper comprises a compression spring, a supporting outer sleeve, a center shaft and a plurality of positioning rings, side frames are installed on installation supports at the two ends of the first-stage damper, and the side frames are connected with the compression spring. One end of each side frame extends to one side of the first-stage shock absorber in a bent mode, the supporting outer sleeve is arranged between the side frames, the positioning rings are installed in the supporting outer sleeve up and down, the center shaft penetrates through the positioning rings, and the compression spring is arranged outside the center shaft in a sleeving mode. The shock absorber is simple in structure, the primary shock absorber is usually used, once large vibration occurs, the inward extrusion degree of the primary shock absorber is large, the side frame can be synchronously driven to extrude the supporting outer sleeve till the side frame makes contact with the compression spring, the compression spring is extruded, secondary shock absorption is carried out, and the driving comfort can be better guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric vehicle technical field, concretely relates to a multistage buffer electric vehicle damping device. BACKGROUND

[0002] Electric vehicle refers to the vehicle with electric energy as power source, and its core feature is driven by battery and electric motor instead of traditional internal combustion engine.

[0003] At present, the electric vehicle will install damping device, and the damping device is generally shock absorber, and the structure of the shock absorber installed on the electric vehicle is simple, only has one stage damping, once receives greater vibration, because there is no two stage damping, will cause the electric vehicle to appear greater jolt, thereby influence the comfort of driving. SUMMARY

[0004] The utility model relates to a multistage buffer electric vehicle damping device, through multistage buffer, to solve the problem in above-mentioned background art.

[0005] The utility model is through following technical scheme to realize: a multistage buffer electric vehicle damping device, including one stage shock absorber and two stage shock absorber, two stage shock absorber sets up in one stage shock absorber's one side, two stage shock absorber includes compression spring, support outer cover, center axis and a plurality of locating ring, the mounting support of one stage shock absorber both ends all installs the side frame, and the one end of side frame all is curved and extends to one stage shock absorber's one side, and support outer cover is set up between side frame, and a plurality of locating ring is installed in the inside of support outer cover, and center axis passes through a plurality of locating ring settings, and compression spring is set up in the outside of center axis, and the both ends of compression spring all are installed in locating ring, and all be installed with the locking mechanism of center axis fixation on side frame.

[0006] As preferred technical scheme, the mounting support of one stage shock absorber both ends all recesses and forms annular groove, and the one side of annular groove all is equipped with the passageway that communicates with outside, and all is equipped with ring in annular groove, and the center hole of ring body is opposite to the center hole on the mounting support and is arranged, and the outer circle surface of ring body is opposite to the passageway and all is installed with connecting plate, and the other end of connecting plate extends to outside through passageway and is installed on side frame.

[0007] As preferred technical scheme, the locking mechanism all includes locating plate and bolt, and the one end of side frame all is vertically equipped with locating hole, and the outside of side frame all is set up with locating plate, and the inside of locating plate all is protruded and forms locating part, and locating part all passes through locating hole and is in contact with center axis, and the both ends of center axis all are equipped with first screw hole, and the outside of locating plate all is equipped with the second screw hole that passes through locating plate and locating part, and bolt is screw connected in opposite first screw hole and second screw hole.

[0008] Preferably, the support sleeve is made of rubber material, and the compression spring is arranged between the side frames through the support of the support sleeve.

[0009] Preferably, the outer side surface of the ring body is flush with the outer side surface of the mounting support.

[0010] Preferably, the diameter of the center shaft matches the inner diameter of the center hole of the positioning ring.

[0011] The utility model discloses the beneficial effect is: the utility model discloses simple structure, ordinary use one -stage shock absorber, once bigger vibration appears, one -stage shock absorber inwards extrusion degree is bigger, will drive the side frame to the support sleeve and extrude simultaneously, until with compression spring contact, and extrude compression spring, to carry out two -stage shock absorber, can better ensure the comfort of driving. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.

[0013] Figure 1 It is the whole structure schematic diagram of the utility model;

[0014] Figure 2 It is the structure schematic diagram of the utility model after removing the support sleeve;

[0015] Figure 3 It is the structure schematic diagram of the locking mechanism of the utility model;

[0016] Figure 4 It is the sectional view of two -stage shock absorber of the utility model.

[0017] Wherein, 1, one -stage shock absorber;2, ring body;3, connecting plate;4, side frame;5, bolt;6, positioning plate;7, support sleeve;8, center shaft;9, positioning ring;10, compression spring;11, positioning portion;12, annular groove;13, passageway. DETAILED DESCRIPTION

[0018] The embodiments of the utility model will be described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as limiting the utility model.

[0019] All features disclosed in this specification, and / or all steps of any methods or processes disclosed in this specification, can be combined in any combination, except combinations where at least some of such features and / or steps are mutually exclusive.

[0020] Any feature in the present specification, unless explicitly stated to the contrary, is intended to be an example of an equivalent or similar feature. In other words, in the context of this specification, the use of the word "example" to modify a feature, or the use of language such as "for example", "for instance", "e.g." or "for example only" in relation to a feature, means only that the feature is an example of a generic type of that feature. It does not imply that the feature is the only generic type of that feature, or that the feature is the only example of that type.

[0021] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 A multi-stage buffer electric vehicle damping device, comprising a first shock absorber 1 and a second shock absorber, the second shock absorber is arranged on one side of the first shock absorber 1, the second shock absorber comprises a compression spring 10, a support sleeve 7, a center shaft 8 and a plurality of positioning rings 9, mounting supports on both ends of the first shock absorber 1 are provided with side frames 4, one end of the side frame 4 is bent and extends to one side of the first shock absorber 1, the support sleeve 7 is arranged between the side frames 4, the plurality of positioning rings 9 are arranged one above another in the inside of the support sleeve 7, the center shaft 8 is arranged through the plurality of positioning rings 9, the compression spring 10 is sleeved on the outside of the center shaft 8, both ends of the compression spring 10 are arranged on the positioning rings 9, and the side frame 4 is provided with a locking mechanism for fixing the center shaft 8.

[0022] In the embodiment, annular grooves 12 are formed on the mounting supports at both ends of the first shock absorber 1, one side of the annular groove 12 is provided with a channel 13 communicating with the outside, a ring body 2 is arranged in the annular groove 12, the center hole of the ring body 2 is arranged opposite to the center hole of the mounting support, a connecting plate 3 is arranged on the outer ring surface of the ring body 2 opposite to the channel 13, and the other end of the connecting plate 3 extends to the outside through the channel 13 and is arranged on the side frame 4.

[0023] In the embodiment, the locking mechanism comprises a positioning plate 6 and a bolt 5, one end of the side frame 4 is vertically provided with a positioning hole, the positioning plate 6 is arranged on the outer side surface of the side frame 4, a positioning portion 11 is protruded on the inner side surface of the positioning plate 6, the positioning portion 11 is arranged in abutment with the center shaft 8 through the positioning hole, the center shaft 8 is provided with a first screw hole at both ends, the outer side surface of the positioning plate 6 is provided with a second screw hole penetrating through the positioning plate 6 and the positioning portion 11, and the bolt 5 is threadedly connected in the opposite first screw hole and second screw hole.

[0024] In the embodiment, when the bolt is removed from the first screw hole, the center shaft can be directly removed from the side frame to the outside, so that the support sleeve and the compression spring can be conveniently replaced.

[0025] In the embodiment, the support sleeve 7 is made of rubber material, and the compression spring 10 is centrally arranged between the side frames 4 by the support of the support sleeve 7.

[0026] In the embodiment, the outer side surface of the ring body 2 is flush with the outer side surface of the mounting support; the ring body and the connecting plate are both made of metal material, and the metal material has a certain elasticity, so that when the ring body is mounted and dismounted, the ring body is inserted into or removed from the annular groove by bending the connecting plate outward,

[0027] In the embodiment, the diameter of the central shaft 8 matches the inner diameter of the central hole of the positioning ring 9, so that the compression spring can only be extruded along the central shaft, avoiding bending or deviation.

[0028] The ring body on the side frame is inserted into the annular groove, and the central hole of the ring body is oppositely arranged with the central hole of the mounting support, so that the fixing of the ring body and the side frame can be completed synchronously after the installation of the primary shock absorber, without the need for fixing the side frame independently.

[0029] In use, the compression spring is suspended in the middle by the support of the support sleeve, and after the primary shock absorber is pressed, the side frame is driven to be extruded, and the side frame does not contact the compression spring when the vibration is small, but the first side frame is further inwardly closed when the vibration is large, so as to extrude the compression spring, and the primary shock absorber and the compression spring can perform multi-stage buffering, thereby increasing the comfort of driving the electric vehicle.

[0030] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto, and any change or replacement without creative labor should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be limited by the protection scope defined in the claims.

Claims

1. A multi-stage cushioning electric vehicle damping device, characterized by: The application relates to a shock absorber, which comprises a primary shock absorber (1) and a secondary shock absorber arranged on one side of the primary shock absorber (1), the secondary shock absorber comprising a compression spring (10), a supporting sleeve (7), a central shaft (8) and a plurality of positioning rings (9), side frames (4) are arranged on the mounting supports at the two ends of the primary shock absorber (1), one end of each side frame (4) is bent and extended to one side of the primary shock absorber (1), the supporting sleeve (7) is arranged between the side frames (4), the plurality of positioning rings (9) are arranged one above another in the interior of the supporting sleeve (7), the central shaft (8) is arranged through the plurality of positioning rings (9), the compression spring (10) is sleeved on the exterior of the central shaft (8), and the two ends of the compression spring (10) are arranged on the positioning rings (9); locking mechanisms for fixing the central shaft (8) are arranged on the side frames (4).

2. The multi-stage cushioning electric vehicle suspension of claim 1, wherein: The mounting supports at the two ends of the primary shock absorber (1) are recessed to form annular grooves (12), one side of each annular groove (12) is provided with a channel (13) in communication with the outside, and a ring body (2) is arranged in each annular groove (12), the central hole of the ring body (2) is arranged opposite to the central hole of the mounting support, a connecting plate (3) is arranged on the outer circumferential surface of the ring body (2) and faces the channel (13), and the other end of the connecting plate (3) extends to the outside through the channel (13) and is arranged on the side frame (4).

3. The multi-stage cushioning electric vehicle suspension of claim 1, wherein: Each locking mechanism comprises a positioning plate (6) and a bolt (5), a positioning hole is vertically arranged on one end of each side frame (4), the positioning plate (6) is arranged on the outer side surface of the side frame (4), a positioning portion (11) is protruded on the inner side surface of the positioning plate (6), the positioning portion (11) is arranged in abutment with the central shaft (8) through the positioning hole, a first screw hole is arranged at the two ends of the central shaft (8), a second screw hole is arranged on the outer side surface of the positioning plate (6) and penetrates the positioning plate (6) and the positioning portion (11), and the bolt (5) is threadedly connected in the opposite first screw hole and second screw hole.

4. The multi-stage cushioning electric vehicle suspension of claim 1, wherein: The supporting sleeve (7) is made of rubber material, and the compression spring (10) is arranged between the side frames (4) through the support of the supporting sleeve (7).

5. The multi-stage cushioning electric vehicle suspension of claim 2, wherein: The outer side surface of the ring body (2) is flush with the outer side surface of the mounting support.

6. The multi-stage cushioning electric vehicle suspension of claim 1, wherein: The diameter of the central shaft (8) matches the inner diameter of the central hole of the positioning ring (9).

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