JPS6050099A - Steering gear - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention provides a method for controlling the rotation of a steering shaft for steering a ship.
The present invention relates to a marine 1-1 hexadecimal device comprising means for pivoting a 1f hexadecimal unit. 'A'Y n e U.S. Pat.
US Pat. No. 3,072,090 has attracted attention.

The present invention provides a transom unit suitable for installation on a ship, a swivel support pivotally arranged on the transom unit for vertical tilting movement about a horizontal tilt axis;
A marine vessel propulsion system is provided that includes a lower unit that can be steered pivotally about a free support about a vertical steering axis, and an f111 steering device that pivots the lower unit about the steering axis.

The steering device includes a member rotatably disposed on the transom unit, a device for rotating the nine members, and a device that connects this member to a lower unit so that the lower unit pivots in response to the rotation of this member. It has a belt device.

In one embodiment, member 9 is the first shoulder.

The steering gear further includes a second oil. The propulsion unit is equipped with a second pulley that is freely supported, and the propulsion unit is moved to the second pulley. , by fixing it to.

Can be pivoted about the swivel support. The belt device is connected to the propulsion unit by connecting this device to a second pulley. The steering device.

A kite device ψ1 is also provided between the first pulley and the second pulley, through which a belt device extends, and the swivel support pivots about the tilting axis along the belt device. A relative distance is maintained between the first pulley and the second pulley.

In one embodiment, an apparatus for rotatably disposing a first pulley on a transom unit has a journal fixedly attached to the transom unit, and the first sheave is rotatably disposed on the journal. It has a pulley part. The first pulley forms part of an assembly having a retaining device for connecting the belt device to the pulley. The retaining device is rotatably disposed on a journal adjacent to the pulley portion.

It is pivotable with respect to the shoulder part, and the tension of the belt device can be adjusted. The assembly also includes an adjustment lock between the pulley portion and the holding device for rotating and holding the holding device relative to the pulley portion to adjust the tension of the belt system.

One of the main features of the present invention is to provide a device for steering a propulsion unit that can be operated by nine conventional steering cable systems.

Another main feature of the invention is to provide a steering device that is movable either in a driving position or in a tilted or out-of-water position.

Other features and advantages of embodiments of the invention will become apparent from a consideration of the following detailed description, drawings, and claims.

Before describing in detail at least one embodiment of the invention, it should be noted that the invention is not limited in its application to the details of the structure and arrangement of components listed in the following description or shown in the drawings. should be understood. The present invention is capable of other embodiments and can be practiced or carried out in a variety of ways. Also.

It should be understood that the expressions and terminology used in this book are for purposes of explanation and should not be considered limiting.

DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in the drawings, the present invention has a transom unit suitable for disposing through the transom 18 of the hoard 22, and a transom unit 4 which is pivoted on the transom unit for vertical tilting movement about a horizontal tilt axis 3o. Flexible support 2 arranged in
6, a lower unit 34 pivotably steerable with respect to the swivel support 26 about a vertical steering axis 380, and a lower unit 34 that can be steered pivotally about the vertical steering axis 380;
Steering device 4 that pivots the lower unit 34 around 80 degrees.
2 is provided.

As shown in more detail in FIG. 1, transom unit 14. The swivel support 26 paralytic lower unit 34 together with the engine 46 form part of the stern drive of the boat 22. In other embodiments, five units may form part of an outboard motor or other marine propulsion system.

The engine 46 drives a propeller 5Q that is rotatably disposed in the gear case 54 and forms a part of the lower unit. Engine 46 is transom soil knit 111.
Propeller 50 is driven by a drive train 58 extending through swivel support 26 and lower unit 34.

The transom unit 14 is provided at the rear of the engine 46, and the stern drive device 10 is installed at the rear of the engine 46, and the stern drive unit 10 is installed at the rear of the engine 46.
It is firmly placed. The transom unit 4 extends through the transom wall 18 of the boat 22 and is surrounded by a waterproof membrane 66 around the transom unit 140 to prevent water from penetrating into the boat 22.

The flexible support 26 and the lower unit 34
The transom unit 14 is pivotally disposed on the transom unit 14 for vertically tilting movement about the horizontal axis 300. The vertical tilting movement allows the lower unit 34 and propeller to be raised out of the water.

Lower unit 34 is pivotally mounted to swivel support 26 by bearings 68 . A bearing 68 may rotatably support the lower unit 34 at the distal end of the swivel support 26, which defines a vertical steering axis 38. Engine 46. Transom Unino 1-14. Free support 26
and a more detailed description of the arrangement of the lower unit 34 is provided in U.S. Pat.
It is described in the 880 specification.

A steering device 42 for pivoting the lower unit 34 around a steering shaft 38 is a first member or pulley 70 rotatably disposed on the transom unit 4.
A device for rotating 74. A second pulley 78 fixed to the lower unit 34. The first pulley 70 is connected to the second pulley 78K, and the second pulley 78 is connected in response to 700 rotations of the first pulley.
is provided with a belt device 82 adapted to pivot the lower unit 34.

More specifically, as shown in FIGS. 2 and 3, the first pulley is rotatably disposed on the transom unit 14 by a journal 86 fixed to the transom unit 4. . The first pulley 70 includes an upwardly extending spline 90 and the device 74 for rotating the first pulley 70 includes a radially extending steering arm 94 attached to the spline 90. The steering arm 94 can be connected to a conventional steering cable 98.

The first oil 70 is connected to the steering wheel 1 connected to the steering cable 98.
It can be rotated in response to a device driven by a driver in the form of 02.

As shown in more detail in FIG.
is rotatably mounted on the swivel support 26 by an assembly 110 which also forms the upper bearing 68. Assembly 1
10 connects the upper part 118 of the lower unit 34 to the second pulley 7
8 has an insert 114 fixed thereto. The assembly 110 is
The upper portion 124 of the swivel support 26 also includes a journal 122 on which a second pulley 78 is rotatably disposed. The force, <-126, extends between the lower unit 34 and the second pulley 78, and the insert 114 is attached to the cover 12.
6 into the opening 128. Lower unit 34. The second pulley 78 and cover 126 are held in place by a portion of the lower unit 34, a pol) 130 extending through the lower unit 34, insert 114 and journal 122, and serves as an oil fill plug. second pulley 78
rotates on the journal 122, the lower unit 3
4 rotates together with the second pulley 78 and the vertical steering shaft 38
on a bearing 68.

Referring again to FIG. 2, a belt arrangement in the form of a cable 82 allows the second pulley 78 to rotate with the lower unit 34 as the first pulley rotates with movement of the steering arm 94.
VC first pulley 70 to pivot second pulley 78
Connect to. Each of the two cables 82 is coupled to a respective side of the first and second pulleys 70 and 78 by a respective securing device 134 . When the first pulley 70 rotates, one of the two cables 82 applies a pulling force to the outer circumference of the second pulley 78 so that the second pulley 78 rotates in the same direction as the first pulley 70. to work.

Guide device or guide-1 through which the cable 82 is passed
38 is fixedly installed and extends between the transom unit 4 and the swivel support 26. Kite 138.

The relative distance along the cable 82 between the first pulley 70 and the second pulley 78 is maintained as the swivel support 26 and lower unit 34 pivot about the tilt axis. More specifically,
The guide 138 consists of a pair of flexible tubes, each of which connects at one end to the transom knee knit 4 and to the swivel support 26 at the other end. cable 82
By not extending through the guide 138, even if the swivel support 26 and the lower unit 34 pivot about the tilting axis 30 and the first pulley 70 and the second shoulder wheel 78 approach each other, the first Maintaining the relative cable travel distance between shoulder sheave 70 and second pulley 780 prevents cable 82 from slackening. In another specific example, Guide] 38
teeth.

There may be pulleys (not shown) on the cable 82 whose circumference holds the cable 82 on the tilted axis 300 portion.

The marine propulsion system dIO may also include an assembly 148 that provides a tube for adjusting the tension of the cable 82. As shown in FIGS. 4 and 5, such an assembly 14
One of the 8 has a first sidecar 70 in an alternating manner 150. In this embodiment, first pulley 150 includes pulley portions 152 and 15 rotatably disposed on journal 86.
It is composed of 4 parts. Assembly 148 includes cable 82
is connected to P'fl N, 150 and the pulley part 15
retaining devices or members 156 and 158 pivotable with respect to 2 and 154; and retention devices or members 156 and 158 with respect to pulley portions 152 and 154 respectively; 154 and holding member 156 and ]5
8 is also provided.

Sheave portions 152 and 154 have opposed flanges that extend outwardly from a spline 166 to which radially extending steering arm 94 is connected. In this embodiment, the pulley: f! il' 152 and ] 54 and spline 166 are a single integral piece 150. Spline 166 is rotatably disposed on journal 86 at the top of transom unit 14 .

Retaining members 156 and 158 each consist of a horizontal flat plate 170 having a first end 174 and a second end 178 extending perpendicularly from plate 17o. First end 174 is connected to cable 82
The second end 178 has a socket 194 for receiving a spring 198, which will be described below.

One tie length member 156 includes pulley portions 152 and 154.
Guided by splines 166 of shoulder wheel 150 at the lower portion of the shoulder wheel 150, the first and second ends 174 and 178 of retaining member 156 are positioned flush with pulley portions 152 and 154. The other holding member 158 is
i'ff wheel portions 152 and 154 guided on splines 166 of pulley 150 at the top.

First and second ends 174 and 178 of retaining member 158
are arranged so that they are flush with pulley portions 152 and 154. As shown in FIG.
The first ends 174 of 56 and 158 are therefore coplanar, allowing cable 82 to connect to pulley 150 in the same plane. Holding members 156 and 15
The first ends 174 of 8 are also close to each other.

Each of the pulley sections 152 and 15.1 has a first end 200 and a second end F4204, so-called 4j section 1.
first ends 200 of each of 52 and 154 are proximate to first ends 174 of retention members 156 and 158;
Second ends 2 of each of pulley portions 152 and 154
04 is the second end 178 of retaining members 156 and 158
close to.

Adjustment device 160 is arranged at distal ends 174 and 2 of each pulley portion 152 and 154 and retaining members 156 and 158.
A device 208 for changing the gap between 00 and 00 is provided.

This device is in the form of a pin 208 and a hole 21 in the first end 200 of each pulley portion 152 and 154, respectively.
It is screwed into 2. The pin 208 extends between a first position and a second position in which the first ends of retainers 156 and 158 are further from the first ends of each pulley portion 152 and 154 than in the first position. Can move.

Thus, by screwing pin 208 into and out of hole 212.

Retaining member 156 for each pulley portion 152 and 154
The tension of the cable 82 can be adjusted by changing the gaps between and 158.

The adjustment device 160 biases the second ends 178 of the retention members 56 and 158 onto the second ends 204 of each pulley portion 152 and 154.
58 second ends 178 and each pulley portion 154
and the second end 204 of 152]9
It also has 8. As shown in FIG.

The biasing device is in the form of a spring 198 housed in opposed receptacles 194 and 216 in the second ends 178 and 204 of the retainer holes 156 and 158 and pulley portions 1.52 and 154, respectively. This spring 198
As a result, the first ends of each of wheel portions 152 and 154 and the first ends of each retaining member 156 and 158 are biased 5 away from pin 208. Therefore,
Any slack present in cable 82 is taken up by spring 198 by adjusting pin 208.

Various features of the invention are set forth in the claims.

[Brief explanation of drawings]

FIG. 1 is a partially sectional side view of a stern drive illustrating various features of the present invention. 2 is a partially cutaway plan view of a device for steering the stern drive shown in FIG. 1; FIG. FIG. 3 is a 1+11 cross-sectional view taken along line 3--3 of FIG. 2. FIG. FIG. 5 is a side sectional view taken along line 5--5 in FIG. 4. 10: Marine propulsion device J4: l-ransom unit 26:
Free support 3o: Horizontal tilting shaft 34: Lower unit 38: Vertical steering shaft 42: Steering device 70: Pulley 78: Second pulley 82: Belt device 86: Journal] 1o: Assembly 138 guide device 152.154: Pulley part 15
6, 158: Holding device 60: Adjusting device 174, 1
78: first and second ends (of the retaining device) 200
, 204: first and second ends (of the pulley portion) 2
08: Pin 198: Biasing device patent applicant Outboard Merlin Corporation (5 others)

Claims (14)

[Claims] (1) A transom unit that can now be installed on a ship, a flexible support that is purposely placed on the transom unit and that tilts vertically around a horizontal tilting axis, and around a vertical steering axis) with a lower unit that can be pivoted with respect to the swivel support. A steering device for pivoting a lower unit around the steering shaft, the device comprising a member rotatably disposed on the transom unit. and a belt device which connects a core portion 4'A to the lower unit so that the lower unit pivots in response to the rotation of the member. (2) The ship propulsion device according to claim 1, characterized by a device for rotating the member. (3) the steering device comprises a guide device between the member and the lower unit, through which the belt device extends, and when the swivel support pivots about the tilting axis; 2. The watercraft propulsion device according to claim 1, wherein a relative distance is maintained between the member and the lower unit along the belt device. (4) The part (2) is rotatably disposed on the transom unit, and includes a journal fixed to the transom unit, and the part opening is rotatably disposed on the journal. a pulley portion connecting the belt device thereto, the member being rotatably disposed on the wound journal adjacent the pulley portion and pivotable with respect to the pulley portion; , a holding device capable of adjusting the tension of the belt device;
Patent forming part of an assembly which also comprises an adjustment device between said pulley part and said holding device adapted to rotate and hold said holding device with respect to said pulley part and to adjust the tension of said belt arrangement. A vessel J1-advancing device according to claim 1. (5) the pulley portion has a first end and a second end, the retention device has a first end and a second end, and the first end of the pulley portion has a first end and a second end of the retention device; proximate a first end, a second end of said pulley portion is proximate a second end of said retention device, and said adjustment device is adjacent to said first end of said pulley portion and said first end of said retention device. between a first position and a second position, the first end of the retention device being further away from the first end of the pulley portion than the first position; 5. The marine vessel propulsion device according to claim 4, further comprising a pin capable of moving. (6) the adjustment device biases the second end of the retention device toward the second end of the pulley portion to move the first end of the pulley portion away from the first end of the retention device; 6. The boat propulsion device according to claim 5, further comprising a biasing device biased in such a manner as to absorb slack in the belt device. (7) A transom unit that can be installed on a ship, a flexible support pivotally arranged on the transom unit so as to cause vertical inclination around a horizontal inclination axis, and a vertical steering axis. a lower unit that can be pivotally steered with respect to the universal support; and a steering device that pivots the lower unit about the steering shaft, the steering device being rotatably disposed on the transom unit. a first pulley fixed to the lower unit; a second pulley fixed to the lower unit; and a first pulley such that the second pulley pivots the lower unit as the first pulley rotates. A ship propulsion device consisting of a bell which connects a bell to a pulley as described in Part 2 above. (8) The marine vessel propulsion device according to claim 7, further comprising a device for rotating the first pulley. (9) the steering device further comprises a guide device between the first pulley and the second pulley, the belt device extending therethrough, and the swivel support pivoting about the tilting axis; 8. The marine vessel according to claim 7, wherein the relative distance along the belt device between the first pulley and the second pulley is maintained when moving. (10) The marine vessel propulsion device according to claim 7, wherein the belt device comprises two cables attached to the first pulley and the second pulley. (11) The lower unit rotatably disposes the second pulley on the universal support and fixes the propulsion unit to the second pulley. 8. A marine vessel propulsion system according to claim 7, which is pivotably steerable with respect to a swivel support. (12) The device for rotatably disposing the first pulley on the transom unit includes a journal fixed to the transom device, and the first pulley is rotatably disposed on the journal. Consists of a pulley section arranged
said first 711 wheel ("I1. i'i connecting said belt device to said first pulley and being close to said pulley part)
i + journal A chief device arranged in the journal and pivotable with respect to the pulley portion and capable of adjusting the tension of the belt device? ! ] and forming part of an assembly also comprising an adjustment device between the pulley portion and the staking device for rotating and retaining the retaining device with respect to the pulley portion to adjust the tension of the belt device; A marine vessel propulsion device according to claim 7. (13) the pulley portion has a first end and a second end, and the retention device has a first end and a second end;
A first end of the pulley portion is proximate the first end of the retention device, and a second end of the pulley portion is adjacent to the retention device.
proximate a second end of the adjustment device, the adjustment device being seated between the first end of the pulley portion and the first end of the retaining device. a pin movable between a first position and a second position 4i in which the first end of the retaining device is further away from the first end of the pulley portion than in the first position; A marine vessel propulsion device according to claim 12. (14) the adjustment device biases the second end of the retention device toward the second end of the pulley portion to bias the first end of the pulley portion away from the first end of the retention device; Claim 1 further comprising a biasing device biased apart to absorb slack in the belt device:
Ship propulsion device according to item (1) above.