JP3206005B2 - Structure of cable bushing - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION This invention is an installation member access
From the electrical connector provided on the floor of Sufuroa in deriving the to case table on the floor, to a structure of to case table bushing used to the part passing through the bed not hurt to case table.

[0002]

Structure of a conventional bushing, more becomes a barrel having a flange portion and a axial to the through hole, so to case Bull has a structure to penetrate from one through hole of the body to the other , it is connected to the underfloor connector of floor one end of the to case table is installed member, while the other end of which is connected to the connector, such as a plug, by penetrating the access floor, <br/> on the floor If such raise to case Bull, once Ke - procedures by solving either end of the connection of the cable, and connect again after insertion of the bushing is provided with a bushing portion which penetrates from the bottom to the top of the floor Becomes That is, in order to mount the bushing is that it can be mounted only from one end of the to case Bull. Therefore, it was extremely inefficient.

Further, it is necessary to move the bushing to an optimal position for providing the bushing.
The use of equipment is large, and many such operations must be performed on one floor , which is quite inefficient under the current situation without human resources .

[0004]

The present invention is to provide a problem to be solved is that, when mounting the bushing, only from sure one end of to case Bull, is the point can not be seated.

SUMMARY OF THE INVENTION A cable bush according to the present invention is provided.
The flange structure is provided with flanges provided at the upper and lower ends, respectively.
Penetrates in the axial direction formed between the upper and lower collars
It has a body with a hole, and the outer peripheral surface of the body is accessible.
Bushing facing the inner surface of the opening of the installation member such as the floor
In the above, the trunk portion and the flange portion are substantially
Split to form a left body and a right body
Connect the ends of the collars on the left and right bodies
At the other end of the left and right bodies
Positioning means for aligning the positions of the provided flanges
And coupling means provided on the other end sides of the left and right bodies, respectively.
After connecting the cable in the axial through hole with
And further, the connecting means
The body is provided with a part of the outer peripheral surface on the other end side depressed.
And the outer peripheral surface on the other end side of the other body
And does not substantially protrude from the outer peripheral surface of one body.
Fitting piece that fits into the concave fitting part so that it is substantially flush with the outer peripheral surface
And is configured. Thus, approximately two axially
The divided two bodies over and flexibly joined at the junction portion provided in the flange portion, after sandwiching the to case table in a through hole provided in the barrel, so as to bind the coupling means, to case The bushing can be attached even during the bull.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings.
I will explain. The structure of the cable bushing of the present invention
As shown in FIG. 1 to FIG.
Formed between the upper and lower flanges
A torso provided with a hole penetrating in the axial direction;
The outer peripheral surface is the inner peripheral surface of the opening of the installation member such as the access floor
In the bushing facing the
The left body and the right body are divided into two parts in the axial direction.
And one end of each flange of the left and right bodies.
The connecting means provided to connect the cow and the right and left body
Adjust the positions of the flanges provided on the other end side
Positioning means and the left and right
The cable is sandwiched between the axial through holes by the provided connecting means.
After the connection, and furthermore,
A part of the outer peripheral surface on the other end side with one body
The concave fitting part provided by depressing the
Provided on the outer peripheral surface on the other end side, from the outer peripheral surface of one body
It does not protrude, and it is almost flush with the outer peripheral surface.
And a fitting piece to be fitted. Figure 1
1 is a perspective view of one embodiment of the present invention, wherein 1 is a left body.
Over, 2 is a right body over. Numerals 11 and 21 are flanges. Reference numerals 12 and 22 denote a trunk. In the installed state, the body portions 12, 22 face the inner circumferential surface of the opening of the access floor as an installation member. 3,3 is a hinge portion of a joining means for joining the body over the left and right. The hinge portion is thin and has good flexibility. 0.2-0.3 mm
That's the thickness of the much over torque becomes extremely flexible good hinge. The material is suitably a thermoplastic resin such as polypropylene.

Reference numeral 4 denotes a positioning means. In this embodiment, positioning is performed by fitting a projection 41 and a concave portion 42 provided at a position corresponding to the projection 41.

[0007] 5 is a coupling means, the tongue 51 of the central of open flexible perforated 53 provided on the outer peripheral surface of the body portion 12 of the left body-1, of the body portion 22 of the right body - 2 A concave portion 54 provided on the outer peripheral surface and having a size to which the tongue piece 51 fits, and a hole 53 in the central portion of the tongue piece 51
The tongue piece 51 is formed so as not to substantially protrude from the outer peripheral surface of the body portion 22 in the state of being fitted with the concave fitting portion 52. I have. One end of the convex portion 55 provided in the concave portion 54, as shown in FIG.
Taper inward to maintain the bond
The hole 53 formed in the tongue piece 51 is in such a state that the coupling of the projection 55 provided in the concave fitting portion 52 is hard to be disconnected.

[0008] directed, as shown in Figure 6, the connector B to one end of the to case Bull <br/> A, in a state of connecting the connector C to the other end, the trunk of the left and right side body over 1,2 in the through hole parts 12, 22 by positioning the to case table a, fitting the projections 41 and the recesses 42 and 42 are the positioning means. Next, the tongue piece 51 and the concave fitting part 52 are fitted and connected. In the middle of to case Bull A In this way, it is possible to mount the bushing. Further, a tongue piece 51 and a concave fitting portion 52 are provided on the outer peripheral surface of each of the trunk portions 12 and 22, and the trunk portions 12 and 22 have an inner peripheral surface of an opening of an access floor whose outer peripheral surface is an installation member in an installed state. Face to face,
In the installed state, the tongue piece 51 and the concave fitting part 52 are hardly released because the tongue piece 51 and the concave fitting part 52 are restricted by the inner peripheral surface of the opening of the access floor. Also,
Since the tongue piece 51 and the concave fitting portion 52 are fitted so as not to substantially protrude from the outer peripheral surface, the direction in which the bushing is attached to the installation member is not limited.

FIGS. 4 and 5 are drawings for explaining the second embodiment. The difference from the first embodiment is that the surface of the flange and the axial direction of the trunk do not intersect at right angles. Specifically, as the collar,
So that the surface of the flange is
4 and 5, the upper surface is a finger.
In the figure, the flange on the lower end side
And pointing to the lower surface. And this upper end
The upper surface of the flange on the side or the lower surface of the flange on the lower end and the axis of the trunk
Direction does not cross at right angles.
You.

[0010] In the case of the second embodiment is sufficiently devoid height of floor <br/>, not pulled out with not extreme bending to case table, the excessive force to case Bull when applied as a suitable structure, in use, excessive force is not applied to the to case table as shown in FIG. 7, there is honestly draw effect. The outer peripheral surface of the flange portion has a thickness perpendicular to the plane of the flange portion so that the flange portion is perpendicular to the floor surface during use.

In both the first and second embodiments, the connecting means is provided on the body. However, the connecting means may be provided on the flange. Good.

Although the joining means is a hinge formed integrally with the flange, the hinge may not be formed integrally with the flange. However, the joining means is necessary to be provided on the flange.

As described above, in the structure of the bushing according to the present invention, the flanges provided at the upper and lower ends and the hole penetrating in the axial direction formed between the upper and lower flanges are provided. more becomes, a is the outer peripheral surface of the body portion and includes a body portion
In the bushing facing the opening peripheral surface of the installation member, such as access floors, form a left body-1 and right body-2 the barrel almost divided into two in the axial direction together with the flange portion
Forms, one each flange 11 and 21 of the left and right body over
And joining means 3 provided so as to connect the ends to each other, of the flange portions each other, each provided on the other end side of the left and right Bode <br/> I over 1,2
Position and positioning means 4 to adjust the, same lateral body-1,
Together form to bind after sandwiching the to case table A in the through hole in the axial direction by the coupling means 5 provided on each of the two other ends, further coupling means 5, before at one body
A concave fitting portion 5 provided by depressing a part of the outer peripheral surface on the other end side;
2, the other body is provided on the outer peripheral surface on the other end side and does not substantially protrude from the outer peripheral surface of the one body ;
A fitting piece 51 which fits into凹嵌portion so as to be flush with, since the structure of the to case Bull bushing which is configured with a,
Even when both ends of the to case Bull connector is connected, Ke
It is possible to mount the bushing in the middle of the over Bull A, construction work is extremely efficient, is greater in particular effect on the era of labor shortage.

Furthermore, during molding, the mold it is only divided in the vertical direction, compared to mold the bushing of a conventional structure, there is also an effect that the molding cycle is improved.

[0015]

【The invention's effect】 According to the structure of the cable bushing of the present invention.
When the connector is connected to both ends of the cable,
Can also be fitted with a bushing in the middle of the cable.
Therefore, construction is extremely efficient,
It is particularly effective.

[0016] In addition, during molding, the mold
Molding a bushing with a conventional structure
It also has the effect of improving the molding cycle
You.

[Brief description of the drawings]

FIG. 1 is a perspective view of a first embodiment of the present invention.

2 is a plan view showing an open state of the joint portion 3 and the central left and right body over 1,2 of the first embodiment of the present invention.

FIG. 3 is a partial perspective view illustrating a connecting means according to the first embodiment of the present invention.

FIG. 4 is a perspective view of a second embodiment of the present invention.

5 is a plan view showing an open state of the joint portion 3 and the central left and right body over 1 of a second embodiment of the present invention.

6 is a use state diagram showing a state of mounting in the middle of to case table A bushing of the present invention.

FIG. 7 is a diagram illustrating a use state of the second embodiment of the present invention.

FIG. 8 is a perspective view showing a conventional example of the present invention.

FIG. 9 is a perspective view showing a conventional example of the present invention.

[Explanation of symbols]

1 left body over 2 right body -3 joining means 4 the positioning means 5 coupling means 11 the flange portion 12 the body portion 21 the flange portion 22 the body portion 41 protrusion 42 recess 51 tongue 52凹嵌53 hole 54 recess 55 protrusion A Ke over Bull

Claims (2)

(57) [Claims] 1. A flange portion respectively provided at the upper and lower ends, this
More becomes barrel having a top and bottom holes extending in the axial direction formed between the flange portion with each other, the outer peripheral surface of the body portion is accessed
In a bushing facing an inner peripheral surface of an opening of an installation member such as a floor , the body is substantially axially moved by about 2
Divided to form a left body over and the right body over, respectively joining means provided so as to connect one end to each other of the flange portion of the <br/> lateral body over each other end of the left and right body over and positioning means to align the each other the collar portion which is provided, along with eggplant to bind after sandwiching the to case table into the through hole in the axial direction by a coupling means provided on each end side of the left and right body over, Furthermore, the coupling means, and凹嵌section provided by on one body denting a part of the outer peripheral surface of the other end, one of the body provided on the outer circumferential surface of the other end in the other body Almost does not protrude from the outer peripheral surface of
Structure to case table bushing, wherein the mating piece to be fitted to the凹嵌portion such that the outer peripheral surface substantially flush shape, by being configured with a. 2. A structure to case Bull bushing according to claim 1, wherein the axial surface and the body of the flange portions of the left and right body over does not intersect at right angles.