Step type rotating shaft
A step-type, rotating shaft technology, applied in the direction of shafts, shafts and bearings, mechanical equipment, etc., can solve the problems of axial vibration of bearings, single structure of the rotating shaft, and inability to dissipate heat from the inner ring of the bearing and the outer wall of the rotating shaft in time, so as to prevent shaft Shaking effect
Inactive Publication Date: 2016-07-20
齐宽宽
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Problems solved by technology
[0003] The current shaft has a single structure. During the installation of the bearing, there is no positioning device at one end of the bearing, which causes axial vibration of the bearing. At the same time, the heat generated by friction between the inner ring of the bearing and the outer wall of the shaft cannot be dissipated in time.
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[0012] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0013] see figure 1 , figure 1 It is a structural schematic diagram of the present invention.
[0014] The said stepped rotating shaft includes a circular platform 1 for positioning one end of the bearing, the large-diameter end of the circular platform 1 is connected to the large cylindrical section 2, and a keyway for installing the bearing is opened on the large cylindrical section 2, and A plurality of cooling holes 3 are evenly distributed on the large cylindrical section 2, a small cylindrical section A4 is installed at one end of the large cylindrical section 2, and a convex shaft A5 is in...
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The invention discloses a step type rotating shaft. The step type rotating shaft comprises a circular platform used for positioning one end of a bearing. The large-diameter end of the circular platform is connected with a large cylinder section. The large cylinder section is provided with a key groove used for installing the bearing. A plurality of heat dissipation holes are evenly distributed in the large cylinder section. A small cylinder section A is arranged at one end of the large cylinder section. A convex shaft rod A is arranged at one end of the small cylinder section A. The small-diameter end of the circular platform is connected with a small cylinder section B. A convex shaft rod B is arranged at one end of the small cylinder section B. According to the step type rotating shaft, the circular platform used for positioning one end of the bearing is arranged, and therefore the bearing can be effectively prevented from axially shaking in the installing process. The heat dissipation holes for dissipating heat are formed in the contact position of the inner ring of the bearing and the outer wall of the rotating shaft, and therefore heat generated by friction can be dissipated.
Description
technical field [0001] The invention relates to the technical field of rotating shafts, in particular to a stepped rotating shaft. Background technique [0002] The rotating shaft is necessary to connect the main parts of the product, and the shaft used to bear both bending moment and torque in the rotating work is called the rotating shaft. Common shafts are: mobile phone shaft (clamshell or rotating screen mobile phone); laptop shaft; portable DVD shaft; LED desk lamp shaft; LCD display shaft; GPS and other car bracket shafts, etc. [0003] The current rotating shaft has a single structure. During the installation of the bearing, there is no positioning device at one end of the bearing, which causes axial vibration of the bearing. At the same time, the heat generated by friction between the inner ring of the bearing and the outer wall of the rotating shaft cannot be dissipated in time. Contents of the invention [0004] In order to overcome the deficiencies in the prior...
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Login to View More IPC IPC(8): F16C3/02
CPCF16C3/023
Inventor 齐宽宽
Owner 齐宽宽