JPS6341230Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to a remote control device for an automobile transmission that operates in the select direction and shift direction by moving the fork operating shaft in the axial direction and rotating around the shaft center. In particular, the present invention relates to a device using a control cable, in which an inner cable is slidably inserted into an outer tube, as an operating force transmission member.

For example, when using a control cable with an inner cable slidably inserted into the outer tube as a control force transmission member when remote control is performed when the transmission is located far from the control lever such as in a front-wheel drive vehicle. The following problems arise.

In other words, the fork operating shaft protruding rearward from the transmission installed on the side end of the engine placed horizontally in the engine room and the operating lever provided approximately in the center of the vehicle body are connected to a control cable for select operation and a shift operation. When connecting with a control cable for select operation, in order to move the fork operating shaft in the axial direction when the control cable for select operation is activated by the select operation of the operation lever, it is necessary to connect the fork control cable to the control cable for select operation. By connecting the rod and the fork operating shaft via a motion direction changing device such as a bell crank, the fork operating shaft can be driven with almost no swinging of the rod. When moving in the axial direction, the rod that connects the shift operation control cable and the fork operating shaft causes the fork operating shaft to swing in the axial direction, which bends the inner cable and increases sliding resistance. However, when the swing angle of the rod is large, extra force is applied to the terminal portion of the control cable, resulting in a reduction in durability and operating force transmission efficiency.

The present invention eliminates these drawbacks and provides a remote control system for automobile transmissions in which the rod connecting the control cable for shift operation and the fork operating shaft does not swing in the axial direction of the fork operating shaft. The purpose is to provide an operating device.

An embodiment of the present invention will be described below with reference to the accompanying drawings.

A pair of flanges 2, 2 are formed at intervals on the outer circumferential surface of the fork operating shaft 1 that protrudes from a transmission (not shown), and a bracket 3 that is formed on the frame on the side of the fork operating shaft 1 is attached to the outer peripheral surface of the fork operating shaft 1. An engaging body 8, which is pivotally supported by a shaft 7 at the tip of one arm 6 of a bell crank 5, which is attached to the bell crank 5 so as to be freely swingable in the horizontal direction by a pivot 4, is inserted between the pair of flanges 2, 2 described above. The terminal of the outer tube A1 at the other end of the control cable C1 for selection operation, which is fitted almost tightly and whose one end is connected to an operation lever (not shown), is connected to the mounting hole 9 of the mounting plate P1 fixed to the frame.
The hub 1 is inserted into an enlarged diameter hole 12 formed at one end of the hub 11 and fixed by tightening with a nut 10, and is fixed by caulking.
An inner cable B1 protruding from the outer tube A1 is connected to the rear end of the rod R1 which is slidably inserted into the center hole 13 of the rod R1.
The tip of the shaft connects the shaft 14 to the other arm 15 of the bell crank 5.
It is fitted into and connected to a long hole 16 formed at the tip of. At the tip of the fork operating shaft 1, a sliding body 18 having an arm 17 protruding from one end has a semicircular sliding surface 20 formed on the lower surface in close contact with the outer peripheral surface, allowing relative freedom of movement in the axial direction. It is placed on the top surface of the
An axial guide groove 21 that reaches the sliding surface 20 is formed in which the fork operating shaft 1 is inserted.
A pin 22 protruding from the circumferential surface of the distal end is fitted almost tightly. The terminal of the outer tube A2 of the control cable C2 for shift operation is fixed to a hub 25 having the same configuration as the hub 11 fixed to the mounting hole 26 of the mounting plate P2, and the inner cable B2 is fixed to the hub 25 in the center hole 27 of the hub 25. The rod R2 is connected to the rear end of the rod R2 which is slidably inserted into the rod R2, and the tip of the rod R2 is connected by fitting the shaft 28 into an elongated hole 30 formed in the arm 17 of the sliding body 18.

Next, to explain the operation of this embodiment, when the operating lever is operated to select, the inner cable B1 of the control cable C1 for the select operation slides within the outer tube A1, and as shown by the chain line in the figure, the inner cable B1 of the control cable C1 for the select operation slides through the rod R1. When the bell crank 5 connected to the inner cable B1 swings horizontally about the pivot 4, the engaging body 8 at the tip of one arm 6 of the bell crank 5 engages with the pair of collars 2, 2. The fork operating shaft 1 moves in the axial direction and select operating force is input to the transmission, and the shift operation of the operating lever causes the inner cable B2 of the shift control cable C2 to slide within the outer tube A2, thereby shifting the rod R2. When the sliding body 18 connected to the inner cable B2 through the rocker swings, the fork operating shaft 1 rotates around its axis due to the engagement between the pin 22 of the fork operating shaft 1 and the guide groove 21 of the sliding body 18. A shift operation force is input to the transmission, and the sliding body 18 connected to the rod R2 is in contact with the fork operating shaft 1 so that it can relatively freely slide in the axial direction of the fork operating shaft 1. Since the sliding body 18 does not move even if the rod R2 moves, the rod R2 does not swing in the axial direction of the fork operating shaft 1. Furthermore, in this embodiment, the arm 17 to which the pin 28 of the rod R2 is attached Since the mounting hole is the elongated hole 30, the rod R2 does not swing vertically as the arm 17 swings, and the arm 15 of the bell crank 5, to which the pin 14 of the rod R1 is mounted, can be easily mounted. Since the hole is also a long hole 16, the rod R can be adjusted as the bell crank 5 swings.
Since hub 1 does not swing horizontally,
There is an advantage that there is no need to adopt a rod swinging mechanism for 1 and 26.

As specifically explained in the above embodiment,
The remote control device for an automobile transmission of the present invention provides an operating force for moving the fork operating shaft of the transmission in the axial direction, which is operated by the movement of the fork operating shaft in the axial direction and rotation around the axis. In a remote control device for an automobile transmission, in which the operating force for rotating around the axis is transmitted through separate control cables with inner cables slidably inserted into the outer tube, The terminals of each outer tube are fixed to two hubs arranged approximately at right angles and spaced apart, and the terminals of each inner cable are connected to rods attached to each hub so that they can move freely in the axial direction. , one rod is connected to the fork operating shaft via a movement direction changing mechanism such as a bell crank, and the fork operating shaft is moved in the axial direction by the axial movement of the rod,
A movable body that can move freely in the axial direction relative to the fork operating shaft is provided, and either the fork operating shaft or the movable body has a groove in the axial direction, and the other has a protrusion that fits into the groove. The main idea is that the moving body rotates with the fork operating shaft, and the moving body is connected to the other rod, so that even if the fork operating shaft moves in the axial direction, the moving body will not move. Since it does not move, the rod that transmits rotational force to the fork operating shaft does not swing in the axial direction, and the push and pull force of the inner cable is easily converted into the rotational force of the fork operating shaft, improving the efficiency of operating force transmission and This has the effect of improving the durability of parts.

[Brief explanation of the drawing]

The accompanying drawing is a partially cutaway perspective view showing an embodiment of the present invention. 1...Fork operation shaft, 18...Sliding body (moving body), 21...Guide groove, 22...Pin, 25...
Hub, A1, A2... Outer tube, B1, B
2...Inner cables C1, C2...Control cable, R2...Rod.

Claims (1)

[Scope of utility model registration request] An operating force for moving the fork operating shaft in the axial direction and an operating force for rotating the fork operating shaft about the axis of the transmission, which is operated by the movement of the fork operating shaft in the axial direction and rotation around the axial center, is applied to the outer tube. In a remote control device for an automobile transmission in which transmission is transmitted through separate control cables through which inner cables are freely inserted, the control cables are arranged substantially perpendicularly to the fork operating shaft and at intervals. The terminals of each of the outer tubes are respectively fixed to two hubs provided, and the terminals of each of the inner cables are connected to a rod that is freely movable in the axial direction with respect to each hub, and one of the rods is connected to a bell crank. The fork operating shaft is connected to the fork operating shaft via a movement direction changing mechanism such as the above, and the fork operating shaft is moved in the axial direction by the axial movement of the rod, and the fork operating shaft is moved relative to the fork operating shaft in the axial direction. A movable body capable of free movement of the target is provided, and either the fork operating shaft or the movable body is provided with a groove in the axial direction, and the other is provided with a protrusion that fits into the groove, so that the movable body can move freely. A remote control device for an automobile transmission, characterized in that the moving body is connected to the other rod so as to rotate together with the fork operating shaft.