WO2019085282A1 - Two-stage shock-absorbing mechanism - Google Patents

Two-stage shock-absorbing mechanism Download PDF

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Publication number
WO2019085282A1
WO2019085282A1 PCT/CN2018/073330 CN2018073330W WO2019085282A1 WO 2019085282 A1 WO2019085282 A1 WO 2019085282A1 CN 2018073330 W CN2018073330 W CN 2018073330W WO 2019085282 A1 WO2019085282 A1 WO 2019085282A1
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Prior art keywords
base
wheel
spring
damper
hole
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French (fr)
Chinese (zh)
Inventor
邹迎
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Dongguan Jomo Electronics Co Ltd
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Dongguan Jomo Electronics Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDECARS, FORECARS, OR THE LIKE
    • B62K25/00—Axle suspensions
    • B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork

Definitions

  • the invention relates to a shock absorbing mechanism, in particular to a secondary shock absorbing bridge mechanism.
  • the scooter is light and fast, suitable for use as a sports vehicle or a fast means of transport to the bus and subway. It is very popular among young people.
  • the invention aims at the problem that the scrambling effect of the scooter is poor in the prior art, and provides a two-stage damping bridge mechanism.
  • a secondary shock absorbing bridge mechanism comprising a wheel frame and a wheel carrier base
  • the wheel frame includes an axle for connecting the wheel, and a frame fixed to the axle and connected to the base of the wheel carrier, the first side of the frame body is provided with a first
  • the shock absorbing mount has a base connecting through hole in the middle;
  • the wheel base includes a base body and a connecting base connected with the base body, and one end of the connecting seat is rotatably connected to the base body through the rotating shaft, and the other end passes through the base
  • the base is connected to the through hole and fixedly connected to the frame body;
  • the bottom of the base body is provided with a second damper mount matched with the first damper mount, the first damper mount and the second damper mount
  • a first stage spring damper is fixedly mounted, and a second stage base is connected to the upper part of the base body.
  • One end of the second base is rotatably connected to one end of the base body through a rotating shaft, and the third shock absorbing seat is arranged on the bottom surface of the other end.
  • the fourth side of the base body is provided with a fourth damper mounting seat matched with the third damper mounting seat, and the second damper mounting seat and the fourth damper mounting seat are fixedly mounted with the secondary spring minus Shock absorber.
  • the end of the connecting seat passing through the through-hole of the base is provided with a card slot, and the card slot is provided with a snap ring for fixedly connecting the connecting seat to the frame body.
  • a central portion of the connecting seat is provided with a spring hole, and a spring is disposed in the spring hole, the lower end of the spring is disposed in the spring hole, the upper end portion is provided with a limiting plate, and the two sides of the limiting plate are provided with a concave shoulder, the base body A boss that cooperates with the concave shoulder is provided on the upper upper end surface.
  • the limit of the limiting plate compresses the spring between the connecting seat and the base body, so that it is in a compressed state, and can always buffer the wheel carrier and the base of the wheel carrier, and simultaneously improve the wheel frame and the base of the wheel carrier. The structural stability between the connections.
  • the primary spring dampers on both sides of the frame body are arranged symmetrically in a left-right direction and the axis of the primary spring damper and the axle axis are at an angle of 30-70° according to the spring force.
  • the upper end surface of the base body is provided with a threaded mounting hole for the entire bridge mounting, and the entire bridge frame is mounted on the vehicle body through the threaded mounting hole.
  • the invention realizes a first-stage spring damper between the wheel frame and the base of the wheel carrier, so as to realize the shock absorption of the whole scooter, so that the user can slide smoothly even on the uneven road surface, and improve the scooter.
  • Fig. 1 is a schematic view showing the structure of a first embodiment of the present invention.
  • Figure 2 is a schematic view showing the structure of the secondary base and the wheel removed in Figure 1.
  • FIG. 3 is a schematic structural view of the base body of FIG. 2 after the base body is removed.
  • FIG. 4 is a schematic structural view of the wheel carrier of FIG. 1.
  • Figure 5 is a schematic view showing the structure of the connecting seat portion of Figure 1.
  • the secondary shock absorbing bridge mechanism includes a wheel carrier 1 and a wheel carrier base 2, the wheel carrier 1 includes an axle 11 for connecting the wheels, and is fixed to the axle 11 and to the carrier base 2 connected frame body 12, both sides of the frame body 12 are provided with a first shock absorbing mounting seat 120, a middle portion is provided with a base connecting through hole 121, and the first stage spring dampers 3 on both sides of the frame body 12 are arranged symmetrically left and right.
  • the axis of the primary spring damper 3 and the axis of the axle 11 are changed at an angle of 30-70° according to the spring force, and the inclined first stage spring damper 3 transmits the vibration to the axle 11 less, reducing the axle to the axle
  • the damage of 11 improves the service life of the axle 11, and its performance is better than that of the vertical arrangement, the buffer distance is longer, and the shock absorption effect is greatly improved.
  • the carrier base 2 includes a base body 21 and a connecting seat 22 connected to the base body 21.
  • One end of the connecting seat 22 is rotatably coupled to the base body 21 via a rotating shaft, and the other end is inserted into the through-hole connecting hole 121 and fixed.
  • the bottom of the base body 21 is provided with a second damper mount 210 that cooperates with the first damper mount 120, between the first damper mount 120 and the second damper mount 210.
  • a primary spring damper 3 is fixedly mounted. The shock absorption between the wheel carrier 1 and the wheel carrier base 2 can be achieved by the primary spring dampers 3 on both sides, and the angle between the two springs can be subsequently adjusted according to weight and other factors.
  • the wheel carrier 1 and the wheel carrier base 2 are not rigidly connected, but are connected by a connecting seat 22, and the end of the connecting seat 22 is rotatably connected to the base body 21, which can have a small rotation during use. Then it plays a certain buffering role, further improving the adaptability of the entire scooter to the road surface.
  • a second base 4 is further connected to the upper portion of the base body 21, and one end of the second base 4 is rotatably connected to one end of the base body 21 through a rotating shaft, and a third shock absorbing mounting seat 41 is disposed on the bottom surface of the other end.
  • a fourth damper mount 212 is disposed on the two side walls of the base body 21, and the third damper mount 41 is fixedly mounted between the third damper mount 41 and the fourth damper mount 212.
  • the secondary spring damper 5 further improves the shock absorbing performance of the entire scooter through the arrangement of the secondary spring damper 5.
  • the end portion of the connecting base 22 passing through the through-hole connecting hole 121 is provided with a card slot 220.
  • the card slot 220 is provided with a snap ring for fixedly connecting the connecting base 22 to the frame body 12.
  • a threaded mounting hole 211 for the entire bridge mounting is provided on the end face.
  • a spring hole 221 is disposed in the middle of the connecting seat 22, and a spring 222 is disposed in the spring hole 221.
  • the lower end of the spring 222 is disposed in the spring hole 221, and the upper end portion is provided with a limiting plate 223, and the limiting plate 223 is
  • the side is provided with a concave shoulder 224, and the upper end surface of the base body 21 is provided with a boss that cooperates with the concave shoulder 224.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Axle Suspensions And Sidecars For Cycles (AREA)
  • Vibration Dampers (AREA)

Abstract

A two-stage shock-absorbing mechanism, comprising a wheel-frame (1) and a wheel-frame base (2), the wheel-frame (1) comprising an axle (11) used for connecting wheels, and a support bracket (12) fastened upon the axle (11) and connected to the wheel-frame base (2); the two sides of said support bracket (12) are each provided with a first shock-absorber seat (120), and a hole (121) is provided at the mid-portion of said support bracket (12) for connection of the wheel-frame base (2). The wheel-frame base (2) comprises a base body (21) and a connecting seat (22) connected thereto, as well as a second-stage base (4) arranged upon said base body; the wheel-frame base (2), the second-stage base (4) and the connecting seat (22) together form a Z-shaped structure. Between the wheel-frame (1) and the wheel-frame base (2) are arranged first-stage spring shock absorbers (3), and between the wheel-frame base (2) and the second-stage base (4) are arranged second-stage spring shock absorbers (5), thus providing shock absorption for the entire vehicle body.

Description

二级减震桥架机构Secondary damping bridge mechanism 技术领域Technical field

本发明涉及一种减震机构，尤其涉及了一种二级减震桥架机构。The invention relates to a shock absorbing mechanism, in particular to a secondary shock absorbing bridge mechanism.

背景技术Background technique

滑板车以轻巧快速的特点，适合作为运动器材或接驳公交地铁用的快速交通工具，深受广大年轻人喜爱。The scooter is light and fast, suitable for use as a sports vehicle or a fast means of transport to the bus and subway. It is very popular among young people.

现有的滑板车当滑过有突起或凹陷的地面时，由于减震效果较弱，使用者会感受到较强的冲击力，甚至因此而摔倒，因此提高滑板车的减震效果、加强滑板车安全使用性能成为一个急需解决的问题。When the existing scooter slides over the ground with protrusions or depressions, the user will feel a strong impact force even if the shock absorption effect is weak, and even fall down, thereby improving the shock absorption effect and strengthening of the scooter. The safe use of scooters has become an urgent problem to be solved.

发明内容Summary of the invention

本发明针对现有技术中滑板车减震效果较差的问题，提供了一种二级减震桥架机构。The invention aims at the problem that the scrambling effect of the scooter is poor in the prior art, and provides a two-stage damping bridge mechanism.

为了解决上述技术问题，本发明通过下述技术方案得以解决：In order to solve the above technical problems, the present invention is solved by the following technical solutions:

二级减震桥架机构，包括轮架和轮架基座，轮架包括用于连接车轮的轮轴以及固定在轮轴上且与轮架基座连接的架体，架体两侧均设有第一减震安装座，中部设有基座连接通孔；轮架基座包括基座本体和与基座本体连接的连接座，连接座一端通过转轴转动连接在基座本体上，另一端穿过基座连接通孔内且固定连接在架体上；基座本体底部设有与第一减震安装座相配合的第二减震安装座，第一减震安装座与第二减震安装座之间固定安装有一级弹簧减震器，基座本体上部还连接有二级基座，二级基座一端通过转轴转动连接在基座本体的一端，另一端底面上设有第三减震安装座，基座本体的两侧壁上均设有与第三减震安装座配合的第四减震安装座，第三减震安装座与第四减震安装座之间固定 安装有二级弹簧减震器。a secondary shock absorbing bridge mechanism, comprising a wheel frame and a wheel carrier base, the wheel frame includes an axle for connecting the wheel, and a frame fixed to the axle and connected to the base of the wheel carrier, the first side of the frame body is provided with a first The shock absorbing mount has a base connecting through hole in the middle; the wheel base includes a base body and a connecting base connected with the base body, and one end of the connecting seat is rotatably connected to the base body through the rotating shaft, and the other end passes through the base The base is connected to the through hole and fixedly connected to the frame body; the bottom of the base body is provided with a second damper mount matched with the first damper mount, the first damper mount and the second damper mount A first stage spring damper is fixedly mounted, and a second stage base is connected to the upper part of the base body. One end of the second base is rotatably connected to one end of the base body through a rotating shaft, and the third shock absorbing seat is arranged on the bottom surface of the other end. The fourth side of the base body is provided with a fourth damper mounting seat matched with the third damper mounting seat, and the second damper mounting seat and the fourth damper mounting seat are fixedly mounted with the secondary spring minus Shock absorber.

作为优选，连接座上穿过基座连接通孔的端部设有卡槽，卡槽内设有卡环使连接座固定连接在架体上。Preferably, the end of the connecting seat passing through the through-hole of the base is provided with a card slot, and the card slot is provided with a snap ring for fixedly connecting the connecting seat to the frame body.

作为优选，连接座中部设有弹簧孔，弹簧孔内安装有纵向布置的弹簧，弹簧下端部设置在弹簧孔内，上端部设有限位板，限位板两侧设有凹肩，基座本体上上端面上设有与凹肩配合的凸台。限位板的限位将弹簧压缩于连接座与基座本体之间，使其处于压缩状态，始终能够对轮架与轮架基座起到一定缓冲作用，同时提高轮架与轮架基座之间连接结构稳定性。Preferably, a central portion of the connecting seat is provided with a spring hole, and a spring is disposed in the spring hole, the lower end of the spring is disposed in the spring hole, the upper end portion is provided with a limiting plate, and the two sides of the limiting plate are provided with a concave shoulder, the base body A boss that cooperates with the concave shoulder is provided on the upper upper end surface. The limit of the limiting plate compresses the spring between the connecting seat and the base body, so that it is in a compressed state, and can always buffer the wheel carrier and the base of the wheel carrier, and simultaneously improve the wheel frame and the base of the wheel carrier. The structural stability between the connections.

作为优选，架体两侧的一级弹簧减震器呈左右对称布置且一级弹簧减震器的轴线与轮轴轴线根据弹簧力度改变呈30-70°夹角。Preferably, the primary spring dampers on both sides of the frame body are arranged symmetrically in a left-right direction and the axis of the primary spring damper and the axle axis are at an angle of 30-70° according to the spring force.

作为优选，基座本体上端面上设有用于整个桥架安装的螺纹安装孔，通过螺纹安装孔将整个桥架安装在车体上。Preferably, the upper end surface of the base body is provided with a threaded mounting hole for the entire bridge mounting, and the entire bridge frame is mounted on the vehicle body through the threaded mounting hole.

本发明由于采用了以上技术方案，具有显著的技术效果：The invention has the remarkable technical effects by adopting the above technical solutions:

本发明实现轮架与轮架基座之间设置一级弹簧减震器，实现对整个滑板车的减震，使得使用者即使在凹凸不平的路面上也能够较为平稳的滑行，提高滑板车的使用安全性能。The invention realizes a first-stage spring damper between the wheel frame and the base of the wheel carrier, so as to realize the shock absorption of the whole scooter, so that the user can slide smoothly even on the uneven road surface, and improve the scooter. Use security features.

附图说明DRAWINGS

图1是本发明实施例1的结构示意图。Fig. 1 is a schematic view showing the structure of a first embodiment of the present invention.

图2是图1中拆除二级基座和车轮的结构示意图。Figure 2 is a schematic view showing the structure of the secondary base and the wheel removed in Figure 1.

图3是图2中拆除基座本体后的结构示意图。FIG. 3 is a schematic structural view of the base body of FIG. 2 after the base body is removed.

图4是图1中轮架的结构示意图。4 is a schematic structural view of the wheel carrier of FIG. 1.

图5是图1中连接座部分的结构示意图。Figure 5 is a schematic view showing the structure of the connecting seat portion of Figure 1.

附图中各数字标号所指代的部位名称如下：1—轮架、2—轮架基座、3—一 级弹簧减震器、4—二级基座、5—二级弹簧减震器、11—轮轴、12—架体、21—基座本体、22—连接座、120—第一减震安装座、121—基座连接通孔、210—第二减震安装座、211—螺纹安装孔、212—第四减震安装座、220—卡槽、221—弹簧孔、222—弹簧、223—限位板、224—凹肩、41—第三减震安装座。The names of the parts indicated by the numerical symbols in the drawings are as follows: 1—wheel frame, 2—wheel base, 3—first stage spring shock absorber, 4—secondary base, 5—secondary spring shock absorber , 11 - axle, 12 - frame body, 21 - base body, 22 - connecting seat, 120 - first shock absorbing mount, 121 - base connecting through hole, 210 - second shock absorbing mount, 211 - thread Mounting hole, 212 - fourth shock absorbing mount, 220 - card slot, 221 - spring hole, 222 - spring, 223 - limit plate, 224 - concave shoulder, 41 - third shock mount.

具体实施方式Detailed ways

下面结合附图与实施例对本发明作进一步详细描述。The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

实施例1Example 1

二级减震桥架机构，如图1-图5所示，包括轮架1和轮架基座2，轮架1包括用于连接车轮的轮轴11以及固定在轮轴11上且与轮架基座2连接的架体12，架体12两侧均设有第一减震安装座120，中部设有基座连接通孔121，架体12两侧的一级弹簧减震器3呈左右对称布置且一级弹簧减震器3的轴线与轮轴11轴线根据弹簧力度改变呈30-70°夹角，倾斜布置的一级弹簧减震器3将震动较小的传递给轮轴11，减小对轮轴11的损坏，提高轮轴11使用寿命，同时其使用性能较垂直布置更佳，缓冲距离更长，减震效果得到较大程度的提高。The secondary shock absorbing bridge mechanism, as shown in FIGS. 1-5, includes a wheel carrier 1 and a wheel carrier base 2, the wheel carrier 1 includes an axle 11 for connecting the wheels, and is fixed to the axle 11 and to the carrier base 2 connected frame body 12, both sides of the frame body 12 are provided with a first shock absorbing mounting seat 120, a middle portion is provided with a base connecting through hole 121, and the first stage spring dampers 3 on both sides of the frame body 12 are arranged symmetrically left and right. And the axis of the primary spring damper 3 and the axis of the axle 11 are changed at an angle of 30-70° according to the spring force, and the inclined first stage spring damper 3 transmits the vibration to the axle 11 less, reducing the axle to the axle The damage of 11 improves the service life of the axle 11, and its performance is better than that of the vertical arrangement, the buffer distance is longer, and the shock absorption effect is greatly improved.

轮架基座2包括基座本体21和与基座本体21连接的连接座22，连接座22一端通过转轴转动连接在基座本体21上，另一端穿过基座连接通孔121内且固定连接在架体12上；基座本体21底部设有与第一减震安装座120相配合的第二减震安装座210，第一减震安装座120与第二减震安装座210之间固定安装有一级弹簧减震器3。通过两侧的一级弹簧减震器3能够实现轮架1与轮架基座2之间的减震，两个弹簧之间的角度后续可根据重量及其他因素调整。从而进一步实现对整个车体的减震，使得使用者即使在凹凸不平的路面上也能够较为平稳的滑行。轮架1与轮架基座2之间并非刚性连接，而是通过连接座22连接，连接座22端部转动连接在基座本体21上，其在使用过程中能够有较小幅度的 转动，继而起到一定的缓冲作用，进一步提高整个滑板车对路面的适应程度。The carrier base 2 includes a base body 21 and a connecting seat 22 connected to the base body 21. One end of the connecting seat 22 is rotatably coupled to the base body 21 via a rotating shaft, and the other end is inserted into the through-hole connecting hole 121 and fixed. The bottom of the base body 21 is provided with a second damper mount 210 that cooperates with the first damper mount 120, between the first damper mount 120 and the second damper mount 210. A primary spring damper 3 is fixedly mounted. The shock absorption between the wheel carrier 1 and the wheel carrier base 2 can be achieved by the primary spring dampers 3 on both sides, and the angle between the two springs can be subsequently adjusted according to weight and other factors. Thereby, the shock absorption of the entire vehicle body is further realized, so that the user can slide smoothly more smoothly even on uneven road surface. The wheel carrier 1 and the wheel carrier base 2 are not rigidly connected, but are connected by a connecting seat 22, and the end of the connecting seat 22 is rotatably connected to the base body 21, which can have a small rotation during use. Then it plays a certain buffering role, further improving the adaptability of the entire scooter to the road surface.

本实施例中基座本体21上部还连接有二级基座4，二级基座4一端通过转轴转动连接在基座本体21的一端，另一端底面上设有第三减震安装座41，基座本体21的两侧壁上均设有与第三减震安装座41配合的第四减震安装座212，第三减震安装座41与第四减震安装座212之间固定安装有二级弹簧减震器5，通过二级弹簧减震器5的设置进一步提高整个滑板车的减震性能。In this embodiment, a second base 4 is further connected to the upper portion of the base body 21, and one end of the second base 4 is rotatably connected to one end of the base body 21 through a rotating shaft, and a third shock absorbing mounting seat 41 is disposed on the bottom surface of the other end. A fourth damper mount 212 is disposed on the two side walls of the base body 21, and the third damper mount 41 is fixedly mounted between the third damper mount 41 and the fourth damper mount 212. The secondary spring damper 5 further improves the shock absorbing performance of the entire scooter through the arrangement of the secondary spring damper 5.

本实施例中连接座22上穿过基座连接通孔121的端部设有卡槽220，卡槽220内设有卡环使连接座22固定连接在架体12上，基座本体21上端面上设有用于整个桥架安装的螺纹安装孔211。In the embodiment, the end portion of the connecting base 22 passing through the through-hole connecting hole 121 is provided with a card slot 220. The card slot 220 is provided with a snap ring for fixedly connecting the connecting base 22 to the frame body 12. A threaded mounting hole 211 for the entire bridge mounting is provided on the end face.

本实施例中连接座22中部设有弹簧孔221，弹簧孔221内安装有纵向布置的弹簧222，弹簧222下端部设置在弹簧孔221内，上端部设有限位板223，限位板223两侧设有凹肩224，基座本体21上上端面上设有与凹肩224配合的凸台。通过在连接座22上设置纵向布置的弹簧222，其能够起到纵向缓冲作用，一方面增加整个车体的减震效果，另一方面使得轮架1与轮架基座2之间传递的力起到缓冲作用，实现对轮架1、轮架基座2结构保护作用。In the embodiment, a spring hole 221 is disposed in the middle of the connecting seat 22, and a spring 222 is disposed in the spring hole 221. The lower end of the spring 222 is disposed in the spring hole 221, and the upper end portion is provided with a limiting plate 223, and the limiting plate 223 is The side is provided with a concave shoulder 224, and the upper end surface of the base body 21 is provided with a boss that cooperates with the concave shoulder 224. By providing a longitudinally disposed spring 222 on the connecting seat 22, it can provide a longitudinal cushioning effect, on the one hand increasing the damping effect of the entire vehicle body, and on the other hand the force transmitted between the wheel carrier 1 and the wheel carrier base 2 It plays a buffering role and realizes the structural protection of the wheel frame 1 and the wheel carrier base 2.

总之，以上所述仅为本发明的较佳实施例，凡依本发明申请专利范围所作的均等变化与修饰，皆应属本发明专利的涵盖范围。In summary, the above description is only the preferred embodiment of the present invention, and all changes and modifications made by the scope of the present invention should be covered by the present invention.

Claims (5)

二级减震桥架机构，包括轮架(1)和轮架基座(2)，其特征在于：轮架(1)包括用于连接车轮的轮轴(11)以及固定在轮轴(11)上且与轮架基座(2)连接的架体(12)，架体(12)两侧均设有第一减震安装座(120)，中部设有基座连接通孔(121)；轮架基座(2)包括基座本体(21)和与基座本体(21)连接的连接座(22)，连接座(22)一端转动连接在基座本体(21)上，另一端穿过基座连接通孔(121)内且固定连接在架体(12)上；基座本体(21)底部设有与第一减震安装座(120)相配合的第二减震安装座(210)，第一减震安装座(120)与第二减震安装座(210)之间固定安装有一级弹簧减震器(3)；基座本体(21)上部还连接有二级基座(4)，二级基座(4)一端通过转轴转动连接在基座本体(21)的一端，另一端底面上设有第三减震安装座(41)，基座本体(21)的两侧壁上均设有与第三减震安装座(41)配合的第四减震安装座(212)，第三减震安装座(41)与第四减震安装座(212)之间固定安装有二级弹簧减震器(5)。a secondary shock absorbing bridge mechanism comprising a wheel carrier (1) and a wheel carrier base (2), characterized in that the wheel carrier (1) comprises an axle (11) for connecting the wheel and is fixed to the axle (11) and a frame body (12) connected to the wheel base (2), a first shock absorbing mounting seat (120) on both sides of the frame body (12), and a base connecting through hole (121) in the middle portion; the wheel frame The base (2) comprises a base body (21) and a connecting seat (22) connected to the base body (21), the connecting seat (22) is rotatably connected to the base body (21) at one end and the base end is passed through the base The base is connected to the through hole (121) and fixedly connected to the frame body (12); the bottom of the base body (21) is provided with a second damper mount (210) that cooperates with the first damper mount (120). A first-stage spring damper (3) is fixedly mounted between the first damper mount (120) and the second damper mount (210); and a second base is connected to the upper portion of the base body (21) (4) One end of the secondary base (4) is rotatably connected to one end of the base body (21) through a rotating shaft, and the other end surface is provided with a third damper mounting seat (41), and two side walls of the base body (21) a fourth shock absorbing mount (212) matched with the third damper mount (41), third Between the shock mount (41) and the fourth damper mount (212) is fixedly mounted two spring-damper (5). 根据权利要求1所述的二级减震桥架机构，其特征在于：连接座(22)上穿过基座连接通孔(121)的端部设有卡槽(220)，卡槽(220)内设有卡环使连接座(22)固定连接在架体(12)上。The secondary shock absorbing bridge mechanism according to claim 1, wherein the connecting seat (22) is provided with a card slot (220) through the end of the base connecting through hole (121), and the card slot (220) A snap ring is arranged therein to fix the connecting seat (22) to the frame body (12). 根据权利要求1所述的二级减震桥架机构，其特征在于：连接座(22)中部设有弹簧孔(221)，弹簧孔(221)内安装有纵向布置的弹簧(222)，弹簧(222)下端部设置在弹簧孔(221)内，上端部设有限位板(223)，限位板(223)两侧设有凹肩(224)，基座本体(21)上端面上设有与凹肩(224)配合的凸台。The secondary shock absorbing bridge mechanism according to claim 1, wherein the middle of the connecting seat (22) is provided with a spring hole (221), and the spring hole (221) is provided with a longitudinally arranged spring (222), a spring ( 222) The lower end portion is disposed in the spring hole (221), the upper end portion is provided with a limiting plate (223), the limiting plate (223) is provided with a concave shoulder (224) on both sides, and the upper end surface of the base body (21) is provided A boss that cooperates with the concave shoulder (224). 根据权利要求1所述的二级减震桥架机构，其特征在于：架体(12)两侧的一级弹簧减震器(3)呈左右对称布置且一级弹簧减震器(3)的轴线与轮轴(11)轴线呈30-70°。The secondary shock absorbing bridge mechanism according to claim 1, characterized in that: the primary spring dampers (3) on both sides of the frame body (12) are symmetrically arranged in a left-right direction and the primary spring damper (3) The axis is 30-70° from the axis of the axle (11). 根据权利要求1所述的二级减震桥架机构，其特征在于：基座本体(21)上端面上设有用于整个桥架安装的螺纹安装孔(211)。The secondary shock absorbing bridge mechanism according to claim 1, wherein the upper end surface of the base body (21) is provided with a threaded mounting hole (211) for mounting the entire bridge.
PCT/CN2018/073330 2017-11-01 2018-01-19 Two-stage shock-absorbing mechanism Ceased WO2019085282A1 (en)

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