Damping structure for reducing vibration of whole vehicle

Abstract

The utility model discloses a shock-absorbing structure for reducing the shock of a whole vehicle, which comprises primary shock-absorbing units and secondary shock-absorbing units which are arranged on a fixing frame, a plurality of primary shock-absorbing units are fixedly connected to two opposite side ends of the fixing frame, the primary shock-absorbing units are arranged in an inclined manner, and the secondary shock-absorbing units are arranged on the fixing frame. The first-stage damping units at the left side end and the right side end are oppositely arranged; a plurality of second-stage damping units are fixedly connected to the two opposite ends of the fixing frame, the second-stage damping units are vertically arranged, and the tail ends of the second-stage damping units penetrate through the fixing frame; the first-stage damping unit comprises a damping rubber block which is obliquely arranged, and an upper bracket and a lower bracket are arranged at the top end and the tail end of the damping rubber block correspondingly; the second-stage damping unit comprises a long bolt, a spring and a limiting ring cover are nested on the long bolt, and the tail end of the long bolt is in threaded connection with a locking nut; the device has the advantages of being simple in structure, small in occupied space, convenient to disassemble, assemble and maintain, good in effect of reducing vibration of the whole vehicle and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of motorcycle shock absorption, in particular to a shock absorption structure for reducing the vibration of the whole vehicle. Background Art

[0002] Three-wheeled motorcycles and three-wheeled electric motorcycles are popular in rural areas and markets due to their small size, low price, and large transportation capacity. They are mainly used for household cargo transportation, urban and rural logistics, and agricultural use on cultivated land. They are irreplaceable products. During the use of three-wheeled motorcycles and three-wheeled electric motorcycles, vibrations may occur when the engine or range extender is running. When the vibration amplitude is large, it not only affects the riding comfort of the driver, but also damages the parts of the vehicle and affects the service life. What's worse, it may cause damage to the loaded goods. Most of the existing shock-absorbing structures are shock-absorbing by several groups of springs arranged in parallel, but they occupy a large space, are inconvenient to disassemble and repair, have poor effect in reducing the vibration of the whole vehicle, and have poor comfort for the driver when riding. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a shock-absorbing structure that reduces the vibration of the whole vehicle. The structure is simple, occupies a small space, is easy to disassemble and repair, has a good effect of reducing the vibration of the whole vehicle, and improves the comfort of the driver when riding, which can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a shock-absorbing structure for reducing the vibration of the whole vehicle, comprising a primary shock-absorbing unit and a secondary shock-absorbing unit provided on a fixed frame, wherein a plurality of primary shock-absorbing units are fixedly connected to two opposite ends of the fixed frame, the primary shock-absorbing units are all inclined, and the primary shock-absorbing units on the left end and the right end are relatively arranged; a plurality of secondary shock-absorbing units are fixedly connected to two opposite ends of the fixed frame, and the secondary shock-absorbing units are all vertically arranged, and the ends of the secondary shock-absorbing units pass through the fixed frame.

[0005] Furthermore, the first-level shock-absorbing unit includes a tilted shock-absorbing rubber block, the top and the end of the shock-absorbing rubber block are respectively provided with an upper bracket and a lower bracket, the upper bracket and the lower bracket are provided with a horizontally arranged support plate, and each support plate is provided with a mounting hole one; a connecting hole one is provided on the fixing frame at a position corresponding to the first-level shock-absorbing unit, and the support plate on the lower bracket of the first-level shock-absorbing unit is fixedly connected to the fixing frame by a connecting bolt passing through the connecting hole one.

[0006] Furthermore, the upper bracket and the lower bracket are both "V"-shaped plate structures.

[0007] Furthermore, the secondary shock absorbing unit includes a vertically arranged long bolt, a spring is nested on the long bolt, and limiting ring covers are provided on the upper and lower sides of the long bolt at the spring, and a locking nut is threadedly connected to the end of the long bolt; a second connecting hole is opened on the fixing frame at a position corresponding to the secondary shock absorbing unit, and the long bolt of the secondary shock absorbing unit passes through the second connecting hole, and the limiting ring cover and the spring at the upper end of the secondary shock absorbing unit clamp the fixing plate.

[0008] Furthermore, a support plate is connected between the upper brackets of the first-level shock-absorbing unit at the same side end, and a plurality of mounting holes 2 are opened on the support plate. The support plate is fixedly connected to the upper bracket by connecting bolts penetrating the mounting holes 2 and 1.

[0009] Furthermore, the support plate is provided with a clamping hole B at a position corresponding to the upper bracket, and the upper bracket is provided with an upper clamping protrusion matched with the clamping hole B.

[0010] Furthermore, the fixing frame is provided with a clamping hole A at a position corresponding to the lower bracket, and the lower bracket is provided with a lower clamping protrusion that cooperates with the clamping hole A.

[0011] Furthermore, the fixing frame is a plate frame structure, and the fixing frame includes two oppositely arranged fixing plates 1 and two oppositely arranged fixing plates 2.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the shock-absorbing structure for reducing the vibration of the whole vehicle performs secondary shock absorption on the vibration generated by the engine or the range extender through the primary shock-absorbing unit and the secondary shock-absorbing unit, thereby achieving the effect of reducing the vibration of the whole vehicle and improving the riding comfort of the driver; and the primary shock-absorbing units on the left and right ends of the fixed frame are tilted, the shock-absorbing stroke is longer, the vibration can be better absorbed, and the engine or the range extender can be prevented from moving left and right to a large extent, the shock-absorbing effect on the engine or the range extender is more stable, and the shock-absorbing effect is better; the structure is simple, the space occupied is small, the disassembly and assembly and maintenance are convenient, and the shock-absorbing effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0014] Figure 2 This is the front view of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the fixing frame of the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the primary shock absorbing unit of the utility model;

[0017] Figure 5 This is a schematic diagram of the structure of the secondary shock absorbing unit of the utility model;

[0018] Figure 6 This is a schematic diagram of the support plate structure of the utility model;

[0019] Figure 7 This is a schematic diagram of the connection structure between the fixing frame and the support plate of the utility model;

[0020] Figure 8 It is a schematic diagram of the structure of the utility model when in use.

[0021] In the figure: 1. fixing frame; 11. fixing plate 1; 111. connecting hole 1; 112. clamping hole A; 12. fixing plate 2; 121. connecting hole 2; 2. primary shock absorbing unit; 21. shock absorbing rubber block; 22. lower bracket; 221. supporting plate; 222. lower clamping protrusion; 23. upper bracket; 231. upper clamping protrusion; 3. secondary shock absorbing unit; 31. long bolt; 32. spring; 33. limiting ring cover; 34. locking nut; 4. support plate; 41. mounting hole 2; 42. clamping hole B; 500. frame. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0023] See also Figure 1-8 The utility model provides a technical solution: a shock absorbing structure for reducing the vibration of a whole vehicle, comprising a primary shock absorbing unit 2 and a secondary shock absorbing unit 3 provided on a fixing frame 1, a plurality of primary shock absorbing units 2 are fixedly connected to opposite side ends of the fixing frame 1, the primary shock absorbing units 2 are tilted, and the primary shock absorbing units 2 at the left end and the right end are arranged oppositely; a plurality of secondary shock absorbing units 3 are fixedly connected to opposite sides of the fixing frame 1, and the secondary shock absorbing units 3 are vertically arranged, and the ends of the secondary shock absorbing units 3 pass through the fixing frame 1.

[0024] The fixing frame 1 is a plate frame structure, and the fixing frame 1 includes two oppositely arranged fixing plates 11 and two oppositely arranged fixing plates 12; the fixing plates 11 are provided with connecting holes 111 at positions corresponding to the primary damping units 2, and the fixing plates 12 are provided with connecting holes 121 at positions corresponding to the secondary damping units 3;

[0025] The primary shock absorbing unit 2 comprises a shock absorbing rubber block 21 which is tilted, and an upper bracket 23 and a lower bracket 22 are respectively provided at the top and the bottom of the shock absorbing rubber block 21, and a horizontally arranged support plate 221 is provided on the upper bracket 23 and the lower bracket 22, and a mounting hole 1 is provided on the support plate 221; and the support plate 221 on the lower bracket 22 of the primary shock absorbing unit 2 is fixedly connected to the fixing plate 11 by connecting bolts penetrating the connecting hole 111;

[0026] A support plate 4 is connected between the upper bracket 23 of the primary shock absorbing unit 2 at the same side end, and a plurality of second mounting holes 41 are opened on the support plate 4. The support plate 4 is fixedly connected to the upper bracket 23 by connecting bolts penetrating the second mounting hole 41 and the first mounting hole;

[0027] The secondary shock absorbing unit 3 includes a vertically arranged long bolt 31, on which a spring 32 is nested, and on which both upper and lower sides of the spring 32 are sleeved, and a locking nut 34 is threadedly connected at the end of the long bolt 31; and the long bolt 31 of the secondary shock absorbing unit 3 passes through the second connecting hole 121, and the limiting ring cover 33 and the spring 32 at the upper end of the secondary shock absorbing unit 3 clamp the second fixing plate 12.

[0028] When using:

[0029] The mounting plate of the vehicle frame 500 is nested between the limiting ring cover 33 and the spring 32 at the lower end of the secondary shock absorbing unit 3, and is locked by the locking nut 34; the engine or range extender on the vehicle is connected and fixed to the second mounting hole 41 on the support plate 4 by the connecting bolts; when the engine or range extender starts and generates vibration, the vibration generated by the engine or range extender is firstly damped by the primary shock absorbing unit 2, and then the vibration generated by the fixing frame 1 is secondary damped by the secondary shock absorbing unit 3, and finally the vibration after secondary damping is transmitted to the vehicle frame 500 by the secondary shock absorbing unit 3, thereby reducing the vibration of the whole vehicle and improving comfort;

[0030] Furthermore, the upper bracket 23 and the lower bracket 22 are both "V"-shaped plate structures.

[0031] Furthermore, the support plate 4 is provided with a clamping hole B42 at a position corresponding to the upper bracket 23, and the upper bracket 23 is provided with an upper clamping protrusion 231 that cooperates with the clamping hole B42; the fixed plate 11 is provided with a clamping hole A112 at a position corresponding to the lower bracket 22, and the lower bracket 22 is provided with a lower clamping protrusion 222 that cooperates with the clamping hole A112; through the cooperation between the upper clamping protrusion 231 and the clamping hole B42 and the cooperation between the lower clamping protrusion 222 and the clamping hole A112, not only the assembly of the primary shock absorbing unit 2 and the support plate 4 is facilitated, but also the stability of the structure of the primary shock absorbing unit 2 is improved.

[0032] The shock absorbing structure disclosed in the present embodiment performs secondary shock absorption on the vibration generated by the engine or the range extender through the primary shock absorbing unit 2 and the secondary shock absorbing unit 3, so as to reduce the vibration of the whole vehicle and improve the riding comfort of the driver; and the primary shock absorbing unit 2 at the left and right ends of the fixed frame 1 is tilted, and the shock absorption stroke is longer, which can better absorb the vibration and prevent the engine or the range extender from moving left and right to a large extent, so that the shock absorption effect on the engine or the range extender is more stable and the shock absorption effect is better; the structure is simple, the space occupied is small, the disassembly and assembly and maintenance are convenient, and the shock absorption effect is good.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A shock absorbing structure for reducing the vibration of a whole vehicle, comprising a primary shock absorbing unit and a secondary shock absorbing unit provided on a fixing frame, characterized in that: A plurality of primary shock absorbing units are fixedly connected to both opposite side ends of the fixing frame, the primary shock absorbing units are tilted, and the primary shock absorbing units on the left and right ends are relatively arranged; a plurality of secondary shock absorbing units are fixedly connected to both opposite side ends of the fixing frame, the secondary shock absorbing units are vertically arranged, and the ends of the secondary shock absorbing units pass through the fixing frame.

2. A shock absorbing structure for reducing the vibration of a whole vehicle according to claim 1, characterized in that: The first-level shock-absorbing unit includes a tilted shock-absorbing rubber block, the top and the end of the shock-absorbing rubber block are respectively provided with an upper bracket and a lower bracket, the upper bracket and the lower bracket are provided with a horizontally arranged support plate, and each support plate is provided with a mounting hole one; the fixing frame is provided with a connecting hole one at a position corresponding to the first-level shock-absorbing unit, and the support plate on the lower bracket of the first-level shock-absorbing unit is fixedly connected to the fixing frame by a connecting bolt passing through the connecting hole one.

3. A shock absorbing structure for reducing the vibration of a whole vehicle according to claim 2, characterized in that: The upper bracket and the lower bracket are both "V"-shaped plate structures.

4. The shock absorbing structure for reducing the vibration of the whole vehicle according to claim 1, characterized in that: The secondary shock absorbing unit includes a vertically arranged long bolt, a spring is nested on the long bolt, and limiting ring covers are sleeved on the upper and lower sides of the long bolt at the spring, and a locking nut is threadedly connected to the end of the long bolt; a second connecting hole is opened on the fixing frame at a position corresponding to the secondary shock absorbing unit, and the long bolt of the secondary shock absorbing unit passes through the second connecting hole, and the limiting ring cover and the spring at the upper end of the secondary shock absorbing unit clamp the fixing plate.

5. The shock absorbing structure for reducing the vibration of the whole vehicle according to claim 2, characterized in that: A support plate is connected between the upper brackets of the primary shock absorbing unit at the same side end, and a plurality of mounting holes 2 are opened on the support plate. The support plate is fixedly connected to the upper bracket by connecting bolts penetrating the mounting holes 2 and 1.

6. A shock absorbing structure for reducing the vibration of a whole vehicle according to claim 5, characterized in that: The support plate is provided with a clamping hole B at a position corresponding to the upper bracket, and the upper bracket is provided with an upper clamping protrusion matched with the clamping hole B.

7. A shock absorbing structure for reducing the vibration of a whole vehicle according to claim 2, characterized in that: The fixing frame is provided with a clamping hole A at a position corresponding to the lower bracket, and the lower bracket is provided with a lower clamping protrusion that cooperates with the clamping hole A.

8. The shock absorbing structure for reducing the vibration of the whole vehicle according to claim 1, characterized in that: The fixing frame is a plate frame structure, and comprises two oppositely arranged fixing plates 1 and two oppositely arranged fixing plates 2.

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