Silent chain
A technology of silent chain and chain link plate, applied in the field of link plate, can solve the problems of silent chain damage, excessive stress, etc., and achieve the effect of reducing noise level, preventing early damage, and preventing damage
Inactive Publication Date: 2008-09-17
TSUBAKIMOTO CHAIN CO
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AI Technical Summary
Problems solved by technology
[0013] As mentioned above, when the inside tooth surfaces of the link plates arranged in the chain width direction are large or small and concave-convex, the link plates with protruding inner tooth surfaces receive alternating loads concentratedly, so excessive stress is generated. And premature breakage, there is a problem of silent chain damage
In addition, this problem also exists in the silent chain of the outer side meshing / outer side seating type in which the surface meshing with the sprocket teeth is the outer tooth surface
Method used
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Embodiment Construction
[0049] refer to Figure 1 to Figure 7 Examples of the present invention will be described. The silent chain of this embodiment is a medial side engage / lateral side seated type of silent chain. The link plates 2 forming the silent chain 1, such as Figure 4 As shown, there are a pair of pin holes 3, 3 for inserting the connecting pin 10; and a pair of tooth parts 6, 6 with inner tooth surfaces 4, 4, and outer tooth surfaces 5, 5; tooth tips 7; forks Part 8, back part 9.
[0050] silent chain 1 as figure 1 , 2 As shown, a plurality of link plates 2 are arranged in the chain width direction as an articulating link row (non-guiding link row) 11 and a guiding link row 12, and the link plates 12 of the adjacent link rows 11, 12 They are assembled one by one into an interdigitated shape, and are connected by a connecting pin 10 constituted by a rocker connecting pin. Here, the guide link row 12 is a row in which the guide plates 13 are arranged on both outermost sides. In add...
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The invention provides a silent chain for reducing noise generated by a tooth of a link plate and a sprocket tooth at the start of engagement, avoiding early damage of the link plate and avoiding damage of the silent chain. In the silent chain (1), the flank surface (4) which comes into contact with the sprocket tooth (14) at the start of engagement has a partially protruding portion (4a) continuously formed along the longitudinal direction of the flank surface. Only the partially protruding portions (4a) of link plates (2) that initially contact the sprocket teeth are positively caused to wear during running in of the chain, so that protruding portions (4a) of flank surfaces (4) of other link plates that did not initially contact the sprocket teeth (14) are brought into contact with the sprocket teeth (14).
Description
technical field [0001] The present invention relates to a silent chain in which a plurality of link plates having a pair of pin holes and a pair of tooth portions having tooth surfaces on the inside and outside are arranged as joint link rows and guide link rows, and are connected by connecting pins , in detail, relates to a silent chain composed of link plates that have improved inner tooth surfaces or outer tooth surfaces that are the tooth surfaces of the tooth portions of the link plates that contact the sprocket teeth at the start of meshing. Background technique [0002] In general, in a silent chain, a plurality of link plates having a pair of pin holes and a pair of teeth are respectively arranged as a joint link row (non-lead link row) and a guide link row, and are connected by connecting pins into a The silent chain is formed in a ring shape, and the silent chain is wound between the sprockets, and power is transmitted by meshing between the teeth of the link plate...
Claims
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IPC IPC(8): F16G13/04
CPCF16G13/04
Inventor 驹田稔大原均森本孝之岩崎良纪浜口秀史足立祥平
Owner TSUBAKIMOTO CHAIN CO