Torque limiter
A technology of torque limiter and rotation limitation, which is applied in the direction of couplings, slip couplings, mechanical equipment, etc., and can solve the problem of not being able to quickly play the role of torque limiter, damage the commodity value of torque limiter, etc. question
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no. 1 approach
[0026] refer to Figure 1 to Figure 3 , the torque limiter of the first embodiment will be described. figure 1 is the left side view of the torque limiter of the first embodiment; figure 2 for figure 1 A-A line sectional view of ; image 3 for figure 2 B-B line sectional view.
[0027] Such as image 3 As shown, the main components of the torque limiter include: a cylindrical outer part 2 (refer to figure 1 ); the inner member 4 (refer to figure 1 ); an annular spring member 6 made of a coil spring; and a circular cross-section member 8 as a rotation restricting member made of a round bar-shaped metal needle roller.
[0028] The outer member 2 is made of zinc die-casting, and a disk-shaped vertical portion 2b is formed near one end of a cylindrical main body 2a (see figure 2 ). In the above vertical part 2b (refer to figure 2 ), toward the inside of the main body 2a, a plurality of protrusions 2c are protruded in the axial direction, and the plurality of protrusi...
no. 2 approach
[0038] Second, refer to Figure 4 to Figure 6 , the torque limiter of the second embodiment in which the groove portion 10 is provided on the outer member 2 side will be described. Figure 4 is the left side view of the torque limiter of the second embodiment; Figure 5 for Figure 4 C-C line sectional view of ; Figure 6 for Figure 5 D-D line sectional view.
[0039] Such as Figure 6 As shown, an outwardly protruding disc-shaped vertical portion 4b is provided near one end of the inner member 4 (refer to Figure 5 ), in the vertical portion 4b (refer to Figure 5 ), toward the inner side of the inner member 4, a plurality of protrusions 4c are protruded in the axial direction, and the plurality of protrusions 4c are formed at predetermined intervals in the circumferential direction of the inner member 4. The curvature of the outer peripheral surface 4d facing the outer member 2 in each protrusion 4c is set to be substantially the same as the curvature of the inner pe...
no. 3 approach
[0045] In the above-mentioned first and second embodiments, the torque limiting mechanism composed of a single spring member 6 between the inner member 4 and the outer member 2 and a plurality of circular cross-section members 8 corresponding thereto is provided, but the rotation The moment limiting mechanism can also be made into a multi-connected structure in which the inner member 4 and the outer member 2 are arranged in multiple stages in the axial direction. refer to Figure 7 to Figure 9 , a torque limiter having a 2-connection torque limiting mechanism according to a third embodiment will be described. Figure 7 It is the left view of the multi-connected torque limiter of the third embodiment; Figure 8 for Figure 7 E-E line sectional view of ; Figure 9 for Figure 8 The F-F line section view.
[0046] Such as Figure 9 As shown, in this embodiment, a vertical portion 2b is formed in the center of the outer member 2 (see Figure 8 ), in the vertical portion 2b ...
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