The utility model relates to a piano pedal driving mechanism without noise. Piano pedal drive mechanism, including side plates I, II and their side with a soft pedal, gear, soft disk, a soft pedal is connected with the pedal in bending pin, in the pedal bending pin and the other end of the lever is connected in pedal, pedal lever and disc is fixedly connected together. One end of a pedal lever is connected with a pedal lever; including gear plate, gear soft soft soft gear bar and a connecting pin, a connecting pin rod of the gear reduction gear soft flat plate; both ends of the soft gear is fixedly connected with a swing rod; a left side of the groove box, is arranged on the side of the connecting plate, the connecting plate is fixedly connected with the right slot box, in the upper pedal transmission rod on the connecting plate through a pin movably arranged; the swing rod damper gear arranged at the two ends of the groove box is inserted into the left and right slot box; II side plate is fixedly connected with the bushing and bushing in the right slot box Below.
【技术实现步骤摘要】
【技术保护点】
一种钢琴踏瓣传动机构，包括侧板Ⅰ、侧板Ⅱ和它们之间设有的弱音踏瓣、弱音档、中盘，其特征在于： ａ．所述的弱音踏瓣（１）上连有中踏瓣弯销（２），中踏瓣弯销（２）的另一端与中踏瓣杠杆（３）相连，所述的中踏瓣杠杆（３）与中盘（４）固接在一起，中踏瓣杠杆（３）的一端还连有中踏瓣传动杆（５）； ｂ．所述的弱音档（６）包括弱音档平板（６２）、弱音档横杆（６１）和连接销（６３），弱音档横杆（６１）通过连接销（６３）设于弱音档平板（６２）上；所述的弱音档（６）的两端还固接有摆杆（７）； ｃ．所述的侧板Ⅰ（８）上设有左槽盒（９），侧板Ⅱ（１０）上设有连接板（１１），所述的连接板（１１）上固接有右槽盒（１２），所述的中踏瓣传动杆（５）的上端通过销钉（１３）活动设于连接板（１１）上；所述弱音档（６）两端设有的摆杆（７）分别插入左槽盒（９）和右槽盒（１２）内；所述的侧板Ⅱ（１０）上还固接有衬套（１４），所述的衬套（１４）位于右槽盒（１２）的下方。
【技术特征摘要】
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