JPH02159408A - Installation position adjustment device for control cable - Google Patents

Abstract

PURPOSE:To attempt to facilitate installation position adjustment by providing a cap member having the edge part of its duct fixed in a duct insertion hole and having a male screw engraved on the other edge, a hook member allowing tree slide of the male screw and having a slit and others and a lock member etc. CONSTITUTION:A cap member 3 is pushed in the A direction by the reaction force of a duct 2 arranged and at the same time, energization force works in the B direction by a spring 11, and accordingly, its stays at the position where both forces are balanced each other. At this position, if it is tried to strongly rotate a lock member 18 so as to engagingly fix a hook member 12 to the member 3, a nock 21 provided inside the tip edge of a holding part 20 runs on the periphery of a cylindrical body 14 from a slit 15 with which it is engaged. Additionally, the nock 21 is inserted and engaged in an adjoining slit where it turns by 90 degrees from the start. At this time, the member 3 rotates together with the member 18, and accordingly, a male screw 8 provided on the member 3 is screwed in a female screw and the member 3 and the member 18 are engaged with a each other in one body to lock themselves.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a control cable attachment and adjustment device.

The present invention relates to a device for accurately positioning and attaching a control cable that connects an accelerator pedal and a throttle valve of an automobile, a control cable that connects an operating lever of a construction machine, etc., and a control valve, and the like.

Typical examples of use of the present invention are automobiles, construction machinery, boats, etc., but as long as the control cable is used as a means of transmitting operating force and its position needs to be precisely adjusted, it can be used in any field of industry. It can also be applied to equipment.

[Prior Art] When using a control cable as a means for transmitting operating force to an operated device, it is necessary to attach the output terminal of the inner cable to the operating end of the operated device at an accurate position. However, even if the dimensions of the inner cable and conduit are made accurately, due to the nature of the control cable, the sliding stroke of the inner cable inserted freely into the conduit may vary depending on the degree of curvature of the conduit.
Due to the changing laws, the mounting may need to be adjusted in position when connecting the control cable to the operated device.

An example of a device capable of adjusting the mounting position is disclosed in US Pat. No. 4,175,450.

As shown in FIG. 4, the device (50) includes an adjustment member (5
2) is fixed, and teeth (53) are formed on the lower surface of the adjustment member (52) along the longitudinal direction. The inner cable (54) of the control cable extends to the left in the figure through the interior of the adjustment member (52), and is connected to an operated device (not shown). A fixing member (55) is provided on the outer periphery of the adjusting member (52), and a snap piece (
56) to be fixed to the mounting member (57). In addition, the guide groove (58) is provided in the fixed member (55).
), into which a locking member (59) is inserted. The adjustment member (52) is attached to the lock member (59).
A hole (61) is drilled for passing through the hole (61).
Teeth (62) are formed on the inner periphery of the lower half of. (6
3) is a spring that urges the locking member (59) to engage with the adjusting member (52).

In this device (50), the inner cable (54) is connected to the operated end of the operated device, and the quick adjustment member (52) with the fixing member (55) fixed to the attachment member (57) is axially moved. By moving the control cable, the attachment position of the control cable can be adjusted. When moving the adjustment member (52), it is sufficient to push down the lock member (59), and after the mounting position is adjusted, the lock member (59) is moved by the spring (63) to the teeth (53) of the adjustment member (52). is engaged and locked in the adjusted position.

[Problems to be Solved by the Invention] In the conventional example, in order to adjust the mounting position, the adjustment member (52) must be moved in the axial direction within the fixed member (55) to align the position. Therefore, there is a problem that the work is troublesome and the efficiency of the assembly line is significantly reduced, and the structure is inevitably extremely complicated and relatively expensive.

In view of the above circumstances, it is an object of the present invention to provide a device that can easily adjust the attachment position of a control cable without requiring complicated adjustment operations.

[Means for solving the problem] (a) A hollow cylindrical member, the end of the conduit is fixed to a conduit insertion hole bored at one end, and the conduit is slidably inserted into the conduit. an inner cable passes through the through hole from within the conduit and protrudes from the tip, and has an irregularly shaped portion having at least two flat portions on one area of the outer peripheral surface of the conduit insertion hole; (b
) It is cylindrical and has a locking means at its tip, and the male screw can be slidably inserted thereinto, and the cap member can be screwed into any position of the male screw by rotating the cap member by 90 degrees. An engagement hole having a female threaded portion is provided;
The other end is located on the outer circumferential surface of the cylindrical body that can accommodate the cap member,
(c) a locking member in which shreds cut to an appropriate length in the axial direction are provided at horizontal and vertical positions with respect to the axis;
One end has a circumferential fitting hole into which the irregularly shaped part of the cap member can fit, and the other end is bifurcated and has elasticity, and is electrically conductive so as to slidably sandwich the outer peripheral surface of the cylindrical body. a locking member provided with a clamping part to do so, and having a knock formed thereon that protrudes from the inside of the tip of the clamping part and can be engaged with the cicorite;
d) The cap member is housed in the cylinder and is fitted into a region near a male thread carved in the cap member housed in the cylinder to urge the cap member toward the opening of the cylinder. A structure consisting of a coil spring is adopted for this purpose.

[Function] The device of the present invention may be attached to the end of the conduit on either the operating side or the operated side of the control cable, but the operation when attached to the operated side will be explained first. The end of the side inner cable is connected to the operating means, and the end of the conduit is also fixedly latched near the operating means. Further, the inner cable on the operated side is connected to the operated means, and the locking means provided at the tip of the device of the present invention attached to the end of the conduit on the operated side is fixed near the operated means for control. Cable installation is complete. At this time, the locking member and the cap member are movable in the axial direction, and the male thread provided at the tip of the cap member is slidably fitted into the engagement hole provided at the tip of the locking member. The male thread is not screwed into the female thread.The conduit can be routed along any route.

In this state, the cap member is pushed toward the operated means by the reaction force of the conduit, but is in a balanced position by the reaction force of the coil spring fitted into the cylinder. When the locking member is rotated in either direction, the knock protruding from the tip of the locking member escapes from the shrit and rides on the outer peripheral surface of the cylinder. It is rotated further and at a position rotated 90 degrees from the initial position, it fits into the adjacent Schuritz 1 ~ and rotation stops, and the male screw that was inserted into the cap member that rotated together with the lock member is also installed in the engagement hole. It is screwed into place with the female screw that was inserted and is fixed, completing the installation adjustment.

[Example] Next, the present invention will be explained in detail.

FIG. 1 is a perspective view showing an exploded state of a mounting position adjusting device according to an embodiment of the present invention, and FIG. 2 is a perspective view of the main parts of the device of the present invention in an assembled state and unlocked state. Partially cutaway side view, FIG. 3 is a partially cutaway side view of the main part showing a state in which the cap member and the locking member are rotated 90 degrees in FIG. 2 and engaged and locked.

In Figures 1 to 3, (1) is the inner cable and the conduit (
2) The end of the conduit that is slidably inserted into the tube is inserted and fixed into a conduit insertion hole (4) provided at one end of the kill member (3), and the outer peripheral surface of the conduit insertion hole (4) is fixed. 5) -
The area has an irregularly shaped part (7) having an eleven-shaped cross section, with flat parts (6) cut out on two opposing sides.
One area of the other end has an 11-shaped cross section and a circular part with a male thread (
8) is engraved, and cutouts (9, 9') are provided on two opposing surfaces, through which the inner cable can be inserted from the conduit insertion hole 4 to the tip end. An opening hole (10) is provided. The locking member (12) includes
A female thread is provided with a locking means (13) at the tip, is II-shaped, allows the male thread (8) to be inserted therethrough, and can be screwed at any position by rotating the cap member (3) by 90 degrees. (17) is provided with an engagement hole (16) carved in the flat part, and the other end is provided with a cylindrical body (14).
On the outer circumferential surface of the cylindrical body (14), slits (15) cut out to an appropriate length in the axial direction are provided at horizontal and vertical positions at intervals of 90 degrees with respect to the axis. There is. Further, at one end of the locking member (18), an irregularly shaped part (7) is slidably fitted into an 11-shaped fitting hole (19), which is the same as the irregularly shaped part (7) of the cap member, and the other end has a bifurcated shape. The clamping part (20) is electrically conductive so as to be freely movable so as to sandwich the outer peripheral surface of the cylindrical body (14), and the knock (21) protrudes inside the tip of the clamping part (20). Said Schlitt (
15) so as not to disengage.

Note that a spring (10) is fitted into a region of the cap member (3) that includes the male screw (8), and the male screw (7)
) is inserted into the locking hole (16).

FIG. 1 shows the state before the control cable employing the device of the present invention is installed and locked in the control device, and shows the male screw (8) of the cap member (3) and the locking member (12). ) female thread (17) provided in the engagement hole (16) of the
) are not in a screwed state, so the cap member (3) and the locking member (18) can freely slide in the direction A or B within the range of the shred (15).

In this state, the cap member (3) is actually pushed in six directions by the reaction force of the installed conduit, and at the same time, the biasing force in the B direction by the spring (11) is also being applied, so that both It stops at a position where the forces of are balanced. If you try to forcefully rotate the locking member (18) to engage and fix the locking member (18) and the cap member (3) in this position, the knock ( 21) rides on the outer periphery of the cylindrical body (14) from the engaged shrit (15). Further, when this is rotated by 90 degrees from the initial position, the knock (21) fits into the adjacent shred. At this time, the cap member (3) is connected to the lock member (18).
Since the structure is such that the male screw (8) provided in the cap member (3) is screwed into the female screw (17) provided in the engagement hole (16), the cap The member (3) and the locking member (18) are engaged and locked together to complete the installation.

After using the inner cable for a certain period of time under such conditions, if it becomes necessary to correct the sliding stroke of the inner cable due to elongation of the inner cable, first rotate the lock member (18) 90 degrees and remove the cap member (3). male screw (8) and engagement hole (1
After releasing the lock by screwing the female screw (17) in 9) and correcting the stroke, rotate the locking member 90 degrees again to cause the cap member (3) and the locking member (12) to interlock and complete the stroke. can be adjusted.

[Effects of the Invention] According to the present invention, the operation of attaching the control cable to the proper position can be performed extremely easily, and the structure is extremely simple, so it can be provided at a lower price than conventional ones. is possible.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing an exploded state of a mounting position adjusting device according to an embodiment of the present invention, and FIG. 2 is a perspective view of the main parts of the device of the present invention in an assembled state and unlocked state. A partially cutaway side view, FIG. 3 is a partially cutaway side view of the main part, with the cap member and lock member rotated 90 degrees in FIG. FIG. 3 is a partially cutaway side view of the mounting position adjustment device of FIG. (Main symbols in the drawing) (1: Inner cable, 2 (3: Cap member, 4 (5: Outer circumferential surface, 6 (7: Unshaped part, 8 (9,9°: Notch part, (O conduit, conduit insertion hole) , flat part, male thread, through hole, spring, locking means, slit, female thread, fitting hole, knock.Locking member, cylinder, engaging hole, locking member, clamping part,

Claims (1)

[Scope of Claims] 1(a) A hollow cylindrical member, the end of which is fixed to a conduit insertion hole bored at one end, and an inner member slidably inserted into the conduit. The cable passes through the through hole from inside the conduit and protrudes from the tip thereof, and has a deformed portion having at least one flat portion on one area of the outer peripheral surface of the conduit insertion hole, and one area of the other end. (b) a cap member having a male thread notched in the length direction on two opposing sides thereof; (b) having a cylindrical shape and having a locking means at the tip thereof, and through which the male thread can be slidably inserted; and is provided with an engagement hole having a female threaded portion that can be screwed into any position of the male thread by rotating the cap member 90 degrees, and the other end is formed of a cylindrical body capable of accommodating the cap member. (c) a locking member in which a cutout of an appropriate length in the axial direction is provided on the outer circumferential surface at horizontal and vertical positions with respect to the axis; (c) the irregularly shaped portion of the cap member can be fitted to one end A clamping part is provided that has a circumferential fitting hole, the other end is bifurcated and elastic, and covers the outer circumferential surface of the cylindrical body so that it can slide freely, and the inner tip of the clamping part is provided. 5.
a locking member formed with a knock that can be engaged with the shred; (d) a locking member that is housed within the cylindrical body and is fitted into a region near a male thread carved in the cap member that is housed within the cylindrical body; 1. A control cable attachment position adjusting device comprising: a coil spring attached to the cap member for biasing the cap member toward the opening of the cylindrical body.