JPS6145367Y2 - - Google Patents

Description

[Detailed description of the invention] This invention is a control in which the inner cable is slidably inserted into the outer tube to transmit operating force in both directions (push and pull), or in either direction, by fixing the terminal of the outer tube with a bracket or the like. The present invention relates to a terminal device that connects an end of an inner cable to a driving member or a driven member, and particularly relates to a terminal device that has adjustment of attachment length and a stopper function that restricts the maximum stroke.

In conventional control cables, the installation length is adjusted by adjusting the attachment position of a cylindrical metal fitting fixed to the end of the outer tube to a fixed member such as a bracket, and the maximum stroke is regulated by adjusting the inner cable. This was usually done by applying a stopper to a connected driving member such as a lever or a driven member.

The purpose of the present invention is to adjust the installation length and limit the maximum stroke in one place.

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

In Fig. 1, reference numeral 1 denotes a control cable in which an inner cable 3 is slidably inserted into an outer tube 2, and the end of the outer tube 2 is fitted into a center hole 5 of a cylindrical metal fitting 4 and fixed by caulking. has been done. This cylindrical metal fitting 4 is inserted into a mounting groove 9 of a bracket 8, and is attached to the bracket 8 with a nut 10 screwed into a male thread 7 formed on the outer periphery.
A spherical hole 6 connected to the tip of the center hole 5 is tightly fitted with a spherical head 12 formed at the rear end of the sleeve 11.
1 is attached to the hub 4 so as to be freely swingable around a spherical head 12. The rear end of the rod 15 is inserted into the sleeve 11 in a freely sliding manner, and the end of the inner cable 3 is fitted into a blind hole 17 formed on the rear end surface and fixed by caulking. A lever 27, which is a driving member or a driven member, is connected to the tip of the rod 15 by a pin 26. In the length direction, the rod 15 is
It is divided into a first rod 16 and a second rod 19, and a left-handed male thread 18 is formed on the outer periphery of the tip of the first rod 16, and a right-handed male thread 20 is formed on the outer periphery of the rear end of the second rod. The male thread 1 at the tip of the first rod 16 is connected to the twisted female thread 22 of the cylinder 21, which has a left-handed female thread 22 on one side and a right-handed female thread 23 on the other side.
8, the right-handed female thread 23 has a second rod 19
A right-handed male thread 20 at the rear end is screwed into each. Furthermore, lock nuts 24 and 25 are screwed into the male screws 18 and 20, respectively. At the tip of the sleeve 11, the base of a synthetic rubber seal 28 in a pot-shaped shape, in which two seal parts 29 and 30 are connected, which tightly and freely slides into contact with the outer periphery of the rod 16, is tightly fitted. , by caulking the metal ring 32 fitted on the outer periphery of the sleeve 1.
It is fixed at 1. Incidentally, several triangular chevron-shaped engaging protrusions are provided around the outer periphery of the tip end of the sleeve 11 to prevent the seal 28 from moving in the axial direction. Furthermore, the tip surface of the seal 28 has an abutment surface 31 that can abut against the lock nut 24 on one side.
It is becoming.

In the terminal device of this embodiment, the male thread 1 of the first rod 16 and the second rod 19 screwed into the cylindrical body 21 is
8 and 20 are twisted in opposite directions to each other, so when the cylinder body 21 is rotated in one direction,
The first rod 16 and the second rod 19 are separated from each other,
Alternatively, the rod 15 may move in a direction toward the rod 15, and thereby the length of the portion of the rod 15 protruding from the cylindrical metal fitting 4 can be freely adjusted. After the length adjustment is completed, the left and right lock nuts 24, 25 are tightened to the cylindrical body 21 to prevent the screws from loosening.
Furthermore, the abutment surface 31 at the tip of the seal 28 is capable of engaging with the lock nut 24 on the left side of the figure, and when the rod 15 moves to the left in the figure to the maximum extent together with the lever 27, the abutment surface 31 is engaged with the lock nut 24 on the left side of the figure. As shown, the lock nut 24 on the left abuts against the abutment surface 31 at the tip of the seal 28, thereby restricting the rod 15 from moving further to the left.
A second embodiment of the present invention, shown in FIG.
A jaw 33 is formed on the outer periphery of the distal end of the seal 28, and the rear end of the seal 28 is abutted against the jaw 33. There is no risk of movement to the left in the figure, and in this case caulking with the ring 32 is unnecessary. Note that the maximum stroke can be approximately appropriately set by the initial screwing amount of the cylindrical body 21 into the first rod 16. As specifically explained in the above embodiments, the control cable terminal device of the present invention is constructed by dividing the rod into two components in the length direction, and attaching the left and right ends to the outer periphery of the corresponding end. A male thread with a reverse twist is formed, both of the male threads are screwed into a cylinder body having a female thread with a left and right reverse twist, and a lock nut that abuts the end face of the cylinder body is screwed into both of the male screws. The base of a seal made of an elastic material such as synthetic rubber that fits tightly and freely around the outer periphery of the rod is fixed to the tip of the sleeve, and the tip of the seal abuts one of the lock nuts. The main point is that the installation length can be adjusted arbitrarily by rotating the cylindrical body to either side, and the maximum stroke can be restricted by rotating the cylinder body to either side. This is done by the lock nut colliding with the end face of the seal, and the collision force is absorbed by the seal's elasticity, preventing the generation of impact force and improving operational feeling and durability. .

[Brief explanation of the drawing]

The accompanying drawings show embodiments of the present invention; FIG. 1 is a cross-sectional view of the first embodiment, and FIG. 2 is a partial cross-sectional view of the second embodiment. 1; Control cable, 2; Outer tube, 3; Inner cable, 4; Cylindrical metal fitting, 11;
Sleeve, 15; Rod, 16; First rod, 1
9; Second rod, 18, 20; Male thread, 21; Cylindrical body, 22, 23; Female thread, 24, 25; Lock nut, 27; Lever, 28; Seal, 31; Abutment surface.

Claims (1)

[Scope of utility model registration request] A cylindrical metal fitting is fixed to the terminal of the outer tube of a control cable in which an inner cable is freely slidably inserted into the outer tube, and a rod connected to the terminal of the inner cable is slid into a sleeve that is freely swingably attached to the cylindrical metal fitting. In a control cable terminal device in which the rod is inserted freely and the protruding end of the rod is connected to a driving member or a driven member, the rod is divided into two components in the length direction and the outer periphery of the corresponding end is A male thread with a left-right reverse twist is formed, and both male screws are screwed into a cylinder body having a female screw with a left-right reverse twist, and a lock nut that abuts the end surface of the cylinder body is screwed onto both male screws, and further, the tip part is The base of a seal made of an elastic material such as synthetic rubber that fits tightly and freely around the outer periphery of the rod is fixed to the tip of the sleeve, and the tip of the seal abuts one of the lock nuts. A terminal device for a control cable, which is characterized in that it is compatible with the control cable.