Ball spline
A ball spline and spline technology, which is applied in the field of ball splines, can solve the problems of affecting the coordination between the spline shaft and the shaft casing, the large axial movement resistance of the shaft casing, and the large lateral force, etc. The effect of low friction and high machining accuracy
Inactive Publication Date: 2017-09-22
SUZHOU FUSHIMAN PRECISION MACHINERY CO LTD
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Problems solved by technology
When the circumferential force of the shaft is large, the lateral force on the side of the key on the shaft and the inner keyway on the shaft sleeve is large, resulting in a large resistance to axial movement of the shaft sleeve and serious wear, which affects the spline shaft and the shaft sleeve. cooperation between
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[0014] The following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0015] Such as figure 1 As shown, embodiments of the present invention include:
[0016] A ball spline, comprising a spline outer cylinder 1, a spline inner cylinder 2, a spline shaft 3, a shaft outer sleeve 4, a retainer 5, a steel ball 6 and a sealing cup 7, the spline outer cylinder 1 and the spline The inner cylinder 2 is set in the middle of the spline shaft 3, the retainer 5 is arranged between the spline outer cylinder 1 and the spline inner cylinder 2, and the steel balls 6 are evenly arranged on the retaine...
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The invention discloses a ball spline, which comprises a spline outer cylinder, a spline inner cylinder, a spline shaft, a shaft outer sleeve, a retainer, steel balls and a sealing cup. The spline outer cylinder and the spline inner cylinder are set on In the middle position of the spline shaft, the retainer is set between the spline outer cylinder and the spline inner cylinder, the steel balls are evenly arranged on the retainer, and the shaft outer sleeve is sleeved between the spline outer cylinder and the spline inner cylinder. On the outer wall of the splined inner cylinder, the sealing cups are respectively arranged at the openings at both ends of the inner wall of the shaft casing and are closely attached to the splined outer cylinder and the splined inner cylinder respectively. Through the above method, the ball spline of the present invention has high processing precision of the spline, smooth cooperation between the spline shaft and the shaft sleeve, small movement resistance of the shaft sleeve in the axial direction, and small friction between the spline shaft and the shaft sleeve. It is easy to maintain and has good sealing performance to prevent oil leakage.
Description
technical field [0001] The invention relates to the field of machining components, in particular to a ball spline. Background technique [0002] At present, the spline transmission mechanism of mechanical equipment is composed of a spline shaft and a sleeve. The driving device drives the spline shaft to rotate. The spline shaft transmits power to the shaft sleeve through the spline. The shaft housing moves together. When the circumferential force of the shaft is large, the lateral force on the side of the key on the shaft and the inner keyway on the shaft sleeve is large, resulting in a large resistance to axial movement of the shaft sleeve and serious wear, which affects the spline shaft and the shaft sleeve. cooperation between. Contents of the invention [0003] The technical problem mainly solved by the present invention is to provide a ball spline, which has high processing precision of the spline, smooth cooperation between the spline shaft and the shaft sleeve, sm...
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Login to View More IPC IPC(8): F16C29/04
CPCF16C29/04
Inventor 吴晓平
Owner SUZHOU FUSHIMAN PRECISION MACHINERY CO LTD