KR890001513B1 - The multiple-angle shaft - Google Patents

Abstract

No content.

Description

Polygonal axis

1 is a front view of the present invention.

2 is a cross-sectional view of FIG.

3 is a partial cross-sectional view taken along the line A-A of FIG.

4 is a cross-sectional view taken along the line B-B in FIG.

5 is a front view showing a state in which power is transmitted in a state in which a transmission shaft of the present invention is crossed by cutting a spring.

α

180°)본 발명의 다각축을 조합하여 동력을 전달하는 것을 나타낸 상태의 개략 정면도.6 degrees when the intersection angle of the two axes is large (90 °

α

180 °) Schematic front view showing a state of transmitting power by combining the polygonal axes of the present invention.

* Explanation of symbols for the main parts of the drawings

1: driven shaft 2: driven shaft

3,4: Pivot 5: Power transmission ring

5 ', 5 ": Half round ring 6: Rotating pin

7: Rotating Piece 8: Rotating Center Ring

9: needle bearing 10: ball bearing

11: spring

90°) 운전중에 교차각이 변하는 경우에도 원활하게 동력을 전달할 수 있도록 한 것이다.The present invention relates to a polygonal shaft that is used in various power transmission mechanisms and rotation transmission devices, such that the driving shaft and the driven shaft cross at a predetermined angle and deliver the power of the driving shaft to the driven shaft. (α

90 °) It is designed to transmit power smoothly even when the crossing angle changes during operation.

Conventionally, universal joints were used to transfer power when the two axes intersect at a predetermined angle, but it was smooth to transfer power only when the intersection angle of the two axes was less than 30 °, and it was difficult to transmit power when the crossover angle was more than 30 °. Due to the combination of the universal joints or the use of separate transmission aids, the power transmission device is bulky and heavy, which makes manufacturing expensive and complicated, causing frequent breakdowns during operation. There was a problem that the power transmission is not smooth even when used in combination.

90°) 경우에도 동력 전달장치를 조합하거나 별도의 전달 보조기구를 사용하지 않고 원활하게 동력을 전달하며 교차각이 더 큰 (90°

α

180°)경우에는 두개의 동극 전달장치를 조합하여 동력전달을 가능하도록 한 것으로 이를 도면에 의해 상세히 설명하면 다음과 같다.The present invention is to solve such a problem is that the crossing angle of the transmission shaft is large (α

90 °) even without powertrain combinations or separate transmission aids, delivering power smoothly and with a larger cross angle (90 °).

α

180 °) in the case of combining the two copper pole transmission device to enable power transmission as described in detail by the drawings as follows.

The pivots (3) and (4) are fixed to one end of the hollow shaft (1) and the driven shaft (2), and the pivots (3) and (4) are placed to face each other and formed on the pivots (3) and (4). Both ends of the semi-circular rings (5 '), (5 ") are inserted into the groove to form a circular power transmission ring (5), and the overlapping ends of the semi-circular rings (5'), (5") are pivoting pins (6). By connecting the two shafts (1) and (2) so that the semi-circular rings (5 '), (5 ") can be rotated back and forth, and on the upper end of the pivot pin (6) a rotating piece (7) having a circumferential outer surface And the center of rotation of the power transmission ring (5) coupled to the rotating piece (7) to rotate along the inner groove of the center of rotation (8) by installing the center of rotation ring (8) on the outside The axis of (8) is perpendicular to each other, and the needle bearings (9) are fitted on both sides of the portion where the half circular rings (5 ') and (5 ") are fitted to the pivots (3) and (4) to reduce frictional resistance. Ball bay at the other end of the primary shaft (1) and the driven shaft (2) Compression spring 11 is elastically installed between the ball bearing 10 and the center of rotation ring 8 due to the ring 10. Reference numeral 12 denotes a set screw for fixing the rotating piece to the pivot pin, and 13 a pivot center ring. The hole formed in the 14, the fixed ring, 15 is the ball bearing ball.

Assembly and disassembly of the present invention configured as described above is possible by tightening and releasing the set screw 12 by matching the set screw 12 coupled to the hole 13 formed in the pivot center ring 8 and the pivot pin 6, and both shafts. To give a predetermined cross angle to the rotating pin (6), rotate the half circular ring (5 '), (5 ") or pivot (3), (4) the half circular ring (5'), ( 5 ") slide along the outer circumference to achieve the desired cross angle.

As described above, when the driving shaft 1 rotates while the driving shaft 1 and the driven shaft 2 intersect at a predetermined angle, the semi-circular ring 5 'fitted to the driving side pivot 3 rotates and By rotating the half circular ring (5 ") fitted to the driven side pivot (4) to rotate the driven shaft (2), the rotating piece (7) coupled to the rotating pin (6) is the inside of the rotating center ring (8) Rotating along the groove, the semi-circular rings 5 ', 5 "are slid by the needle bearing 9 in the pivots 3, 4 so that the primary shaft 1 and the driven shaft 2 The rotation center ring 8 is rotated smoothly by the elastic force of the spring 11 inserted into the groove formed in the outer ring of the ball bearing 10 and the groove formed on both sides of the rotation center ring 8 while smoothly rotating. Position and do not rotate.

In addition, when the angle of intersection of the two axes is a large angle of 90 ° or more, as in the sixth, the two units are coupled to each other to easily transfer power by intersecting the primary shaft 1 and the driven shaft 2 at a predetermined angle. Even when the intersection angle of the two axes changes, the semi-circular rings (5 '), (5 ") interlock with the pivot pins (6), the pivots (3), and (4) to rotate smoothly and transmit power, and the spring ( 11) supports the whole with elasticity so that the copper transmission device does not sag down and balances the whole.

As described above, the present invention can smoothly rotate and transmit power even when the angle of intersection between the primary shaft and the driven shaft is relatively large. In this case, the structure is simpler, the failure is less during use, and the volume of the plaster is larger than that of the combination of the universal joint. Because of its light weight, the power transmission device can be manufactured in a small size, so the manufacturing cost is low, and the installation location is not limited, and even when the crossing angles of the two axes are very large, the combination of the two transmission devices has the advantage of smoothly transmitting power.

Claims (1)

Place the pivot (3) and (4) on one end of the hollow shaft (1) and the driven shaft (2) so that they face each other and place the semi-circular rings (5 ') and (5 "in the grooves of the pivot (3) and (4). ), Both ends of each other are overlapped to form a circular power transmission ring (5). The two ends of the semi-circular rings (5 ') and (5 ") are joined together with a pivot pin (6) to form two shafts (1), (2 ), So that the semi-circular rings (5 '), (5 ") can be rotated back and forth, and the rotary center ring (7) has a circumferential outer surface at the top of the pivot pin (6). 8) the axis of the power transmission ring (5) combined with the center of rotation center ring (8) is at right angles and has a semi-circular ring (5 '), (5 ") pivot (3), (4) Needle bearings 9 are fitted on both sides of the interlocked portion, and the compression springs 11 are elastic between the ball bearings 10 and the pivoting ring 8 fitted on the other end of the driven shaft 1 and the driven shaft 2. Multiple axes, characterized in that installed.

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