一种缓冲二节抽屉导轨

Abstract

本实用新型涉及导轨技术领域，尤其是一种缓冲二节抽屉导轨，包括安装架、固定轨、活动轨、缓冲组件，所述安装架固定在所述固定轨的底面处，所述活动轨与所述固定轨滑动装配，所述活动轨和所述固定轨通过之间设有滚珠组件连接，所述缓冲组件的侧壁沿左右方向开设有第一紧配孔，所述活动轨的顶壁具有朝向所述第一紧配孔凸起设置的第一钩部，所述第一钩部装配在所述第一紧配孔中，所述固定轨的顶壁上凸起设有拨叉，当所述活动轨朝后滑动而闭合时，所述缓冲组件与所述拨叉扣接，通过设置侧向的第一紧配孔与第一钩部，使第一钩部在抽屉运动时避免直接承受滑动方向的力，减少因受力导致的变形风险，也能便于用户从侧向装配缓冲组件，降低人工操作强度。

Claims

1. A cushioned two-section drawer guide characterized by: The device includes a mounting bracket, a fixed rail, a movable rail, and a buffer assembly. The mounting bracket is fixed to the bottom surface of the fixed rail. The movable rail is slidably assembled with the fixed rail. The movable rail and the fixed rail are connected by a ball bearing assembly. The side wall of the buffer assembly has a first fastening hole in the left-right direction. The top wall of the movable rail has a first hook protruding towards the first fastening hole and is fitted into the first fastening hole. The top wall of the fixed rail has a fork protruding from it. When the movable rail slides backward and closes, the buffer assembly engages with the fork. When the movable rail slides forward and is pulled out, the buffer assembly separates from the fork.

2. The cushioned two-section drawer guide of claim 1, wherein: The top wall of the movable rail is provided with a second fitting hole, and the bottom wall of the buffer assembly has a second hook portion that protrudes downwards and is fitted into the second fitting hole.

3. The cushioned two-section drawer guide of claim 2, wherein: The side wall of the movable rail is provided with a third fitting hole in the left-right direction, and the bottom wall of the buffer assembly has a third hook portion that protrudes downward, and the third hook portion is fitted into the third fitting hole.

4. The cushioned two-section drawer guide of claim 3, wherein: The buffer assembly includes a housing, a tension spring, a damping oil pipe, a connecting member, and a slider. The damping oil pipe and the tension spring are assembled side by side in the housing. Both the damping oil pipe and the tension spring are connected to the slider. The slider is slidably assembled with the housing and is used to push the connecting member to move back and forth. The connecting member is assembled with the housing and is used to engage or disengage the buffer assembly from the shift fork.

5. The cushioned two-section drawer guide of claim 4, wherein: The bottom wall of the housing has a first cavity for assembling the tension spring, and the bottom wall of the slider has a second cavity for assembling the tension spring. The two ends of the tension spring are respectively connected to the side wall of the first cavity and the side wall of the second cavity.

6. The cushioned two-section drawer guide of claim 5, wherein: The first receiving cavity has a first support portion protruding inward on its side wall, and the second receiving cavity has a second support portion protruding inward on its side wall. The two ends of the tension spring are respectively engaged with the first support portion and the second support portion.

7. The cushioned two-section drawer guide of claim 6, wherein: The damping oil pipe includes a cylinder and a telescopic rod. The bottom wall of the housing has a third receiving cavity facing downwards. The cylinder is assembled in the third receiving cavity. The fixed end of the telescopic rod is connected to the cylinder. The bottom wall of the slider has a fourth receiving cavity facing downwards. The movable end of the telescopic rod abuts against the side wall of the fourth receiving cavity.

8. The cushioned two-section drawer guide of claim 7, wherein: The side walls at both ends of the fourth accommodating cavity are respectively provided with snap-fit ​​posts protruding inward, and the movable end of the telescopic rod is snapped onto the snap-fit ​​posts.

9. The cushioned two-section drawer guide of claim 8, wherein: The front end of the slider has an upwardly protruding mounting post, and the connecting member has a mounting hole, in which the mounting post is mounted.

10. The cushioned two-section drawer guide of claim 9, wherein: The side wall of the connector has a U-shaped groove facing left. When the buffer assembly is engaged with the shift fork, the shift fork is located in the U-shaped groove.

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