JPH0223056Y2 - - Google Patents

Description

[Detailed description of the invention] The invention consists of a tubular body in which an outer frame and an inner frame engage with each other and are provided with a bendable meshing part, and by wrapping a cover that covers the meshing part, The present invention relates to a hose support device that can prevent foreign matter from entering the engaging portion and protect a cable device from damage.

Conventionally, a cable/hose support device consisting of a bendable pipe body in which an outer frame and an inner frame engage with each other has been developed by Japanese Patent Laid-Open No.
This proposal was proposed in Publication No. 56-159914, but the meshing part between the inner frame and the outer frame is exposed, and dust, chips, etc. can easily enter into the groove where the two mesh, making it difficult to operate normally. It had the disadvantage that it could not be bent and could damage the device itself.

The present invention eliminates these drawbacks and creates a cable that can operate smoothly even in harsh environments with a lot of dust.
For the purpose of providing a hose support device, one embodiment thereof will be described below based on the drawings.

In the figure, the cable/hose support device 1 (hereinafter referred to as the device) of the present invention is a tubular body 2 in which an inner frame 3 and an outer frame 4 that engage on the inside and outside are arranged alternately and connected in series.
The inner frame 3 is a rectangular frame in this embodiment, and is integrally formed using a synthetic resin material or the like. has been done. On the upper surface of the inner frame 3, two upper grooves 6, 6 extending in parallel open upward, and the lower surface similarly opens outward, and has a groove width equal to that of the upper groove 6. The lower grooves 7, 7 are provided parallel to each other. In addition, in this embodiment, on both side surfaces 11, 11, vertical grooves 12, 12 on two V-shaped grooves that are connected to the upper grooves 6, 6 and open upwards hang down almost to the center. , lower vertical grooves 13, 13, which are connected to the lower groove 7 and spread downward, extend upward to the same height as the lower end of the upper vertical groove 12. Also, a through hole 14 is provided inside the inner frame 3 to accommodate cables, hoses, etc. The outer frame 4 includes an upper frame 19 that is formed into a U-shape using a metal thin plate and has a through hole 21 at its tip, and a lower frame 19 that is formed similarly to the upper frame and has a through hole 22 at its tip. With frame 20,
It is formed by overlapping the respective through holes 21 and 22 and joining them together using rivets 23. The upper frame piece 19 includes locking pieces 9, 9 that respectively protrude inward from both ends of the upper surface 25, and the outer dimension W ₁ between the two locking pieces 9, 9 is as follows:
The locking pieces 9 are designed so that when the pair of inner frames 3, 3 are placed opposite each other with a predetermined interval P, the locking pieces 9, 9 can circumscribe and fit into and engage with the upper grooves 6, 6 provided in each of the inner frames 3, 3. ing. Furthermore, in this embodiment, locking pieces 9a, 9a that fit into the upper vertical grooves 12, 12 are provided on both sides. Similarly to the upper frame piece 19, the lower frame piece 20 has locking pieces 10, 10 protruding from both sides thereof, and the inner dimension _W2 of the two opposing locking pieces 10, 10 is opposed to each other with the above-mentioned distance P apart. Concave grooves 7, 7 under the inner frames 3, 3
The locking pieces 10, 10 are inscribed so that they can be fitted and engaged, and in this embodiment, locking pieces 10a, 10a that fit into the lower longitudinal grooves 12, 12 are also provided on both sides.
has been established. The inner frame 3 and the outer frame 4 can be connected in a straight line by fitting and engaging the upper and lower grooves 6, 7 and the locking pieces 9, 10, and By tilting the locking pieces 9 and 10 between the groove widths of the upper and lower grooves 6 and 7, a tubular body 2 having an engaging portion 15 that can be bent inward is formed. The engaging portion 10 is provided with a cover 5 that covers it, and the cover 5 is formed by joining an upper mold piece 30 and a lower mold piece 31. The upper mold piece 30 is
When the tubular body 2 is straightened or bent, the adjacent outer frames 4,
It is a U-shaped metal thin plate body with a width that can straddle between the outer frames 4 and 4, and both sides have the respective outer frames 4,
4 is formed so that it can be joined without any gaps on the top and side surfaces. In addition, the cross-sectional shape of the upper mold piece 30 is turned outward and formed into a slightly mid-height mountain shape,
While increasing the rigidity and imparting elasticity that allows the tubular body 2 to be deformed to the extent that it can be bent, in this embodiment, thin plates are folded back on both sides to prevent local deformation of the sides. In addition, the connecting portions 32 provided at both ends are
A hanging piece 33 extending from the tip of the upper mold piece 30 and having a width smaller than that of the upper mold piece 30;
It has two tongue pieces 34 that protrude outward from both sides of the tongue. The lower mold piece 31 is formed to have almost the same shape as the upper mold piece 30 except for a joint 35, and the joint 35 has a trunk 36 into which the tongue piece 34 can be fitted.
and a tip 37 wider than the trunk 36, and the tongue piece 34 is engaged with the trunk 36 and the tip 37 by inserting the tongue piece 34 into the trunk 36 and bending it in directions facing each other. The upper mold piece 30 and the lower mold piece 31 are integrated into the outer frames 4, 4.
An integral cover 5 that covers the engaging portion 15 and extends between the
can be formed. Note that the cover 5 is as shown in Figure 4.
For example, the cover 5 is formed into a frame shape using an elastic plate material such as a spring material, and female and male locking parts 41 and 42 are provided at both ends thereof, and the cover 5 is pushed out and fitted into the tubular body 2. together with the locking parts 41, 42
are fastened and fitted between the outer frames 4, 4.

However, in the device 1 of the present invention, the locking pieces 9 and 10 provided on the engaging part 15 move between the groove widths of the upper and lower grooves 6 and 7, so that the tubular body 2 can be moved at any position. While it can be bent at a predetermined radius R inward from the straight state, the engaging part 15 is covered with the cover 5, which prevents foreign matter from entering the engaging part 15 and allows smooth operation. Note that the cover 5 is
Even after the tubular body 2 is assembled, it can be wrapped and installed easily.

In this embodiment, even if the inner frame 3 is made of heat-resistant synthetic resin, deformation of the inner frame 3 due to scattering of chips heated to a high temperature can be avoided by using the metal cover 5.
This can be prevented by wrapping the

As mentioned above, the device of the present invention has a cover that straddles the outer frame and always covers the meshing part, which prevents foreign matter such as dust and chips from entering the meshing part and maintains smooth bending. As a result, damage to the device itself can be eliminated and it can withstand long-term use.
It has excellent effects and can be favorably employed in machine tools, etc.

[Brief explanation of the drawing]

FIG. 1 is a partially sectional front view showing an embodiment of the present invention, FIG. 2 is a plan view thereof, FIG. 3 is an exploded perspective view thereof, and FIG. 4 is a perspective view showing another example of the cover.
FIG. 5 is a front view showing an example of use of the present invention. 2...Tubular body, 3...Inner frame, 4...Outer frame, 5...
... Cover, 9 ... Locking piece, 15 ... Engagement part.

Claims (1)

[Scope of utility model registration request] An outer frame having a plurality of locking pieces facing inward and an inner frame having a plurality of grooves facing outward can be bent in a fixed direction by engaging the locking pieces and the grooves. A tubular body is formed in which an outer frame and an inner frame are alternately connected in series with interlocking portions, and a thin plate body having elasticity and bent in a mountain shape with the top portion facing outward is added to the tubular body. A cable/hose support device in which a cover is wrapped so that both end portions are in close contact with adjacent outer frames and can cover the engagement portion by straddling the outer frames.