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CN-117184304-B - Shock attenuation frame and bicycle

CN117184304BCN 117184304 BCN117184304 BCN 117184304BCN-117184304-B

Abstract

The invention discloses a shock absorption frame and a bicycle, which comprises a front support, a rear support, a seat support and an elastic shock absorption assembly, wherein the rear support is movably connected with the rear end of the front support through the front end of the rear support, the elastic shock absorption assembly is rotatably connected with the seat support through the front end of the elastic shock absorption assembly, the front support and the rear support are respectively rotatably connected with the seat support through a first pivot and a second pivot, at least one of the front support and the rear support is rotatably connected with the rear end of the elastic shock absorption assembly through a third pivot, the third pivot is positioned between the first pivot and the second pivot, the front end of the elastic shock absorption assembly is positioned in front of a connecting line of the first pivot and the second pivot, when the elastic shock absorption assembly is positioned at an initial position, the front wheel and the rear wheel are not lifted, and when the elastic shock absorption assembly is positioned at a compression position, the front wheel and/or the rear wheel are lifted, and the third pivot moves forwards from the first position to the second position. The damping frame and the bicycle are simple in structure, and riding difficulty can be reduced during damping.

Inventors

  • HUANG JIANHUI

Assignees

  • 张家港川梭车业有限公司

Dates

Publication Date
20260505
Application Date
20230927

Claims (10)

  1. 1. A shock-absorbing frame is characterized by comprising: A front bracket for mounting a front wheel and a steering assembly; The rear bracket is used for installing a rear wheel and is movably connected with the rear end of the front bracket through the front end of the rear bracket; the seat support is used for installing a seat and an elastic shock absorption component, and the elastic shock absorption component is rotationally connected with the seat support through the front end of the elastic shock absorption component; The front bracket and the rear bracket are respectively connected to the seat bracket through a first pivot and a second pivot in a rotating way, and the first pivot is positioned above the second pivot; at least one of the front bracket and the rear bracket is rotatably connected with the rear end of the elastic shock-absorbing assembly through a third pivot, the third pivot is positioned between the first pivot and the second pivot, and the front end of the elastic shock-absorbing assembly is positioned in front of a connecting line of the first pivot and the second pivot; The elastomeric shock absorbing assembly has an initial position and a compressed position: when the elastic shock absorption assembly is positioned at the initial position, the front wheel and the rear wheel are not lifted, and the third pivot is positioned at the first position; When the elastic shock absorbing assembly is positioned at the compression position, the front wheel and/or the rear wheel are lifted, and the third pivot moves forwards from the first position to the second position.
  2. 2. The shock absorbing frame as set forth in claim 1, wherein the rear end of the front bracket is bent downward to form a first bent portion, the front end of the rear bracket is bent upward to form a second bent portion, and the first bent portion is movably connected with the upper end of the second bent portion through the lower end thereof.
  3. 3. The shock absorbing frame of claim 2, wherein at least one of the first and second bent portions is rotatably coupled to the rear end of the elastic shock absorbing member by the third pivot.
  4. 4. The shock absorbing frame of claim 2, wherein the first bending portion rotates forward about the first pivot when the front wheel is lifted and the second bending portion rotates forward about the second pivot when the rear wheel is lifted.
  5. 5. The shock absorbing frame according to claim 1, wherein the seat support is provided in an up-down direction, a lower portion of the seat support is protruded forward to form a front protrusion, and the elastic shock absorbing member is rotatably connected to the front protrusion through a front end thereof.
  6. 6. The shock absorbing frame as set forth in claim 1, wherein one of said front bracket and said rear bracket is provided with a first circular hole for being passed through by said third pivot shaft, and the other is provided with a first long hole for being passed through by said third pivot shaft.
  7. 7. The shock absorbing frame as set forth in claim 1, wherein one of said front bracket and said rear bracket is provided with a second circular hole for being penetrated by said third pivot shaft, and both are movably connected by a fourth pivot shaft, wherein one of them is provided with a third circular hole for being penetrated by said fourth pivot shaft, and wherein the other one is provided with a second long hole for being penetrated by said fourth pivot shaft.
  8. 8. The shock absorbing frame according to claim 1, wherein the elastic expansion and contraction direction of the elastic shock absorbing member is arranged in the front-rear horizontal direction.
  9. 9. The shock absorbing frame of claim 8, wherein the first position of the third pivot is located rearward of the line connecting the first pivot and the second pivot when the resilient shock absorbing assembly is in the initial position, and wherein the second position of the third pivot is located forward of the line connecting the first pivot and the second pivot when the resilient shock absorbing assembly is in the compressed position.
  10. 10. A bicycle comprising a shock absorbing frame as claimed in any one of claims 1 to 9.

Description

Shock attenuation frame and bicycle Technical Field The invention relates to a shock absorption frame and a bicycle. Background In order to improve riding comfort, a conventional bicycle is generally provided with a damping mechanism below a seat, wherein the elastic damping direction of the damping mechanism is set up along the vertical direction, and an upward force is applied to the seat through the damping mechanism during damping. The bicycle has the defects that two groups of damping mechanisms are required to be arranged to respectively correspond to front wheel damping and rear wheel damping, the structure is relatively complex, the cost is relatively high, and riding difficulty is increased when the front wheel or the rear wheel is lifted during damping. Disclosure of Invention The invention aims to provide a shock absorption frame and a bicycle, which have simple structures and can reduce riding difficulty during shock absorption. In order to achieve the above purpose, the invention adopts the following technical scheme: a shock absorbing frame comprising: A front bracket for mounting a front wheel and a steering assembly; The rear bracket is used for installing a rear wheel and is movably connected with the rear end of the front bracket through the front end of the rear bracket; the seat support is used for installing a seat and an elastic shock absorption component, and the elastic shock absorption component is rotationally connected with the seat support through the front end of the elastic shock absorption component; The front bracket and the rear bracket are respectively connected to the seat bracket through a first pivot and a second pivot in a rotating way, and the first pivot is positioned above the second pivot; at least one of the front bracket and the rear bracket is rotatably connected with the rear end of the elastic shock-absorbing assembly through a third pivot, the third pivot is positioned between the first pivot and the second pivot, and the front end of the elastic shock-absorbing assembly is positioned in front of a connecting line of the first pivot and the second pivot; The elastomeric shock absorbing assembly has an initial position and a compressed position: when the elastic shock absorption assembly is positioned at the initial position, the front wheel and the rear wheel are not lifted, and the third pivot is positioned at the first position; When the elastic shock absorbing assembly is positioned at the compression position, the front wheel and/or the rear wheel are lifted, and the third pivot moves forwards from the first position to the second position. Preferably, the rear end of the front support is bent downwards to form a first bending part, the front end of the rear support is bent upwards to form a second bending part, and the first bending part is movably connected with the upper end of the second bending part through the lower end of the first bending part. More preferably, at least one of the first bending part and the second bending part is rotatably connected with the rear end of the elastic shock absorbing assembly through the third pivot. More preferably, the first bending part rotates forward around the first pivot when the front wheel is lifted, and the second bending part rotates forward around the second pivot when the rear wheel is lifted. Preferably, the seat support is arranged in the up-down direction, the lower part of the seat support is protruded forwards to form a front convex part, and the elastic shock absorption component is connected with the front convex part in a rotating way through the front end of the elastic shock absorption component. Preferably, one of the front bracket and the rear bracket is provided with a first circular hole for being penetrated by the third pivot shaft in a matching way, and the other is provided with a first long hole for being penetrated by the third pivot shaft. Preferably, one of the front bracket and the rear bracket is provided with a second round hole which is used for being penetrated by the third pivot in a matching way, and the front bracket and the rear bracket are movably connected through a fourth pivot, one of the front bracket and the rear bracket is provided with a third round hole which is used for being penetrated by the fourth pivot in a matching way, and the other one of the front bracket and the rear bracket is provided with a second long hole which is used for being penetrated by the fourth pivot. Preferably, the elastic expansion and contraction direction of the elastic shock absorbing assembly is arranged along the front-rear horizontal direction. More preferably, the first position of the third pivot is located behind the line connecting the first pivot and the second pivot when the elastic shock absorbing assembly is located at the initial position, and the second position of the third pivot is located in front of the line connecting the first pivot and the second pivot when the elasti