JPH0927229A - Dustproof, waterproof cover of connector connecting part - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a single cover that provides dustproofing and waterproofing by covering a connecting area where a cable extended from one side of a mounting wall is connected to a male or female connector fitted over the other side of the mounting wall. SOLUTION: This waterproof cover 30 is formed independently of a connector body 16 and fitted over a mounting wall surface 12 together with the connector body 16 to cover a connecting area where a conductor 20 is connected to the connecting end 16a of the connector body 16. The cover component has a tubular sheath 34 made of a deformable material to cover the connecting area to achieve dustproofing and waterproofing, and has a flange portion 32 that is intimately fitted over the mounting wall 12 and closely sandwiched between the connector body 16 and the surface of the mounting wall 12. The cover is constructed so that it can be securely mounted on the mounting wall 12 in an air- and water-tight state.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dustproof / waterproof cover for a connector connection portion, and more particularly, to a connector end fitted on one side of a wall surface of a connector and exposed to the other side of the wall surface from the same side. The present invention relates to a dustproof / waterproof cover that protects a connector connecting portion for connecting a conductive wire from dust, water, and the like.

[0002]

2. Description of the Related Art Recently, the wiring of electric and electronic equipment such as FA equipment and the like, the body of machine tools, the body of industrial robots, or the wiring between the wall surface inside a house and the wiring space, etc. There are many wiring structures in which a male or female connector is fitted from one side of the wall surface, and a conductive wire is connected to the connection end exposed on the other side of the wall surface from the other side. In such a connector wiring structure that separates the mounting wall, the connector fitted on the mounting wall is provided with a dustproof and waterproof coating in advance so as to sufficiently perform the dustproof and waterproof function with the mating connector. However, on the other side where the conductive wire is connected by a connecting means such as soldering, dust protection against the surrounding space,
The waterproof function may not be reliable.

[0003]

The dustproof and waterproof functions are required for equipment when the amount of dust scattered at a machining site or the amount of floating water droplets, cutting fluid, etc. is in adverse conditions compared to normal atmospheric space. It is important for protection and improvement is required. Therefore, an object of the present invention is to provide a dustproof and waterproof cover for a connector wiring portion that can meet such demands and can be realized at a relatively low cost.

Another object of the present invention is not to provide a dustproof and waterproof cover for a connector wire connecting portion which has a structure capable of strengthening the dustproof and waterproof function by a relatively simple maintenance work even for an existing connector wire connecting portion. It is what

[0005]

In view of the above-mentioned object, the present invention is formed separately from the body of a male or female connector and is fitted on the mounting wall together with the connector body to form a conductive wire and a connector. By covering the connection area with the connection end, a single cover part capable of exerting dustproof and waterproof functions is formed, and the cover part comprises a tubular sheath tube body made of a deformable material. The wiring area is covered to prevent dust and water, and to be closely attached to the mounting wall surface, and to be firmly and airtightly and watertightly provided to the mounting wall surface by providing a flange portion that is tightly sandwiched between the connector body and the mounting wall surface. It has a structure that can be attached to the.

That is, according to the present invention, a connector fitted to one side of the mounting wall surface is fitted with a conductive wire from the other side of the mounting wall surface, and a connector connecting portion for connecting a conductive wire is protected from dust and water. In the above, there is provided a flange that closely adheres to the mounting wall surface in parallel, and a sheath cylinder body that is integral with the flange and that encloses and seals a connection portion between the connector and the conductive wire. There is provided a dustproof and waterproof cover for a connector connecting portion formed by fitting a tubular body and sandwiching the flange between the connector and the mounting wall surface.

[0007] Preferably, the dustproof and waterproof cover is made of a deformable and elastic material, and is tightened and fixed near an electrically conductive connection end by an appropriate fixing means, for example, a resin band material or the like to prevent floating water or moisture. It is preferable to completely block and seal the intrusion of floating oil components and the like into the connection ends. As the above-mentioned deformable and elastic material, various synthetic rubber materials are preferable, for example, chloroprene rubber material is used, and it is possible to mass-produce by integrally forming and processing the flange portion and the sleeve cylinder body. It will be possible.

When the dustproof and waterproof cover described above is mounted on the mounting wall surface together with the connector body, it is mounted in advance from one side of the mounting wall surface to the through hole formed in the wall surface, and the outer side of the conductive wire is coated on the other side. Insert the sheath tubular body around the outer periphery of the connector and tighten it with a resin band, for example, a nylon band to secure it, while sandwiching the flange part between the connector body and the mounting wall surface and attaching them tightly to attach the connector body and the conductive wire. Therefore, it is possible to achieve a dustproof and waterproof coating.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described below in detail based on the embodiments shown in the accompanying drawings. FIG. 1 is an exploded perspective view showing a structure of a dustproof and waterproof cover of a connector wiring portion according to an embodiment of the present invention, FIG. 2 is a side sectional view showing a mounting state of the dustproof and waterproof cover, and FIG. It is a side view which shows the structure of the connection part of a connector and a conductive wire, especially the structure of the connection part of a wall surface penetration type connector and a conductive wire.

First, referring to FIG. 3, electric and electronic devices such as FA devices are housed in a housing, and one side of the wall surface is sandwiched by a panel wall 4 of this kind of housing. The male or female connector body 5 is fitted into a mounting hole formed through the panel wall 4. A core wire 6a of a conductive wire 6 such as a cable is connected to a connection end 5a of the connector body 5 exposed on the other side of the panel wall 4. In such a conventional structure of the connector wire connecting portion, the core wire 6a is exposed in the space, and therefore, the connecting portion between the wire connecting end 5a and the core wire 6a is exposed to dust depending on the surrounding environment or the machining site. In the FA equipment and the like, there is a problem that the cutting fluid for processing and floating droplets of water enter the inside of the housing and adhere to the connection portion and deteriorate during long-term use of the equipment. In many cases, the surroundings of the connector body 5 are often appropriately dust-proofed and waterproofed, but since the dust-proofing and waterproofing functions are insufficient for the connecting portion between the connection end 5a and the core wire 6a, etc. is there. The present invention has been made to solve such a drawback.

According to the embodiment of the present invention, as shown in FIGS. 1 and 2, the connector mounting wall 12 which penetrates through various connector mounting walls 12 including housing panels of electric and electronic devices is mounted. The hole 14 is formed. A male or female connector body 16 is fitted into the connector mounting hole 14 with the connecting end 16a as the tip, and the flange portion 16b is fixed to one surface 12a of the mounting wall 12 by a fixing means such as a screw. As a result, it is firmly fitted and attached.

At this time, the surface 12 on the other side of the mounting wall 12
Connection end 16a of the connector body 16 exposed to the front from b
The inner core wire 20 of the cable 18 is connected to and connected to the cable 18. Similarly, the dustproof and waterproof cover 30 according to the present invention is inserted through the cable 18 in advance and fitted into the connector mounting hole 14 of the mounting wall 12. Is provided. The dustproof / waterproof cover 30 has a flange portion 32 which is sandwiched and adhered between the flange portion 16b of the connector body 16 and the wall surface 12a on one side of the mounting wall 12, and the mounting wall 1
And a tubular sheath tubular body 34 fitted in the second connector mounting hole 14 to form a single component.

In the dustproof / waterproof cover 30 described above, the end of the sheath cylindrical body 34 on the side opposite to the end on which the flange portion 32 is provided is formed as an open end, and the cable 18 is passed through this open end. It has been extended. Therefore, the vicinity of the open end of the sheath tube body 34 is a nylon band 36 which is an appropriate binding means.
When the wires are tightly bound with each other, the connection between the inner core wire 20 of the cable 18 and the connection end 16a of the connector body and the connection area are sealed inside the sheath tube body 34. Therefore, the dustproof and waterproof cover 30 can achieve dustproofing and waterproofing.

Moreover, since the flange portion 32 of the dustproof / waterproof cover 30 is sandwiched and adhered between the flange portion 16b of the connector body 16 and the wall surface 12a of the mounting wall 12, it exhibits a packing function, and hence the connector. The danger of dust, water droplets, oil droplets, and the like entering from the wall surface side where the machine body 16 is provided can be easily and reliably eliminated.

The sheath cylinder 34 of the dustproof / waterproof cover 30.
The outer diameter and the like may be appropriately formed in a plurality of types in accordance with the shape and size standard of the connector body 16 to be applied, and may be formed and stored and held by an integral molding method. Where dustproof,
The waterproof cover 30 is preferably a synthetic rubber material, and in particular, the flange portion 32 and the tubular sheath tube body 3 formed by a molding method.
4 is preferably a synthetic rubber material that can be integrally formed by molding. For example, a chloroprene rubber material (CR
Made of rubber) is dustproof according to international standards,
It showed good test results in the waterproof test.

[0016]

As is apparent from the above description, the dustproof and waterproof cover according to the present invention is formed separately from the male or female connector body and is fitted on the surface of the mounting wall together with the connector body. By covering the connection area between the conductive wire and the connection end of the connector, a single cover part capable of exerting dustproof and waterproof functions is formed, and the cover part is a tubular shape made of deformable material. It is equipped with a sheath cylinder to cover the wire connection area, to prevent dust and water, and to closely adhere to the mounting wall surface. In addition, since it is airtightly and watertightly mountable, it can be used for connector connection parts such as FA equipment and other electric and electronic equipment, machine tools, machine bodies of industrial robots, wiring areas on indoor walls, etc. Dust applied, Droplets, it is possible to satisfactorily exhibit the sealing performance for the oil droplets and the like.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a structure of a dustproof and waterproof cover of a connector connection portion according to an embodiment of the present invention.

FIG. 2 is a side sectional view showing a mounting state of the dustproof and waterproof cover.

FIG. 3 is a side view showing a structure of a conventional connector / conductive wire coupling portion, particularly a structure of a wall-penetrating connector / conductive wire coupling portion.

[Explanation of symbols]

 12 ... Connector mounting wall 14 ... Connector mounting hole 16 ... Male or female connector body 16a ... Connection end 16b ... Flange portion 18 ... Cable 20 ... Inner core wire 30 ... Dustproof / waterproof cover 32 ... Flange portion 34 ... Sheath cylinder

Claims (2)

[Claims] 1. A dust-proof and waterproof cover for protecting a connector connecting portion for connecting a conductive wire to a connector fitted from one side of a mounting wall surface from another side of the mounting wall surface, the dust-proof and waterproof cover being parallel to the mounting wall surface. A flange that is in close contact with the flange; and a sleeve cylinder that is integral with the flange and that encloses and seals the connection portion between the connector and the conductive wire, and the sleeve cylinder is fitted to the mounting wall surface. A dustproof / waterproof cover for a connector connecting portion, characterized in that the flange is sandwiched between the connector and the mounting wall surface. 2. The dust-proof / water-proof cover, wherein the dust-proof / water-proof cover is made of an elastic material.
Waterproof cover.