JPH0546220Y2 - - Google Patents

Description

[Detailed Description of the Invention] "Industrial Application Field" The present invention relates to a waterproof pressure contact terminal connector that makes the inside of the connector housing a pressure contact terminal waterproof.

``Prior art'' Since pressure contact terminal connectors have an upper opening for press-fitting and connecting wires from above the pressure contact terminals that have been accommodated in advance in a terminal storage chamber, and a wire hole for pulling out the pressure-connected wires, it is difficult to take waterproof measures. Although there are few publicly known examples, Japanese Utility Model Application Publication No. 2-73073 proposes a waterproof structure that seals the two open parts.

That is, this known device is provided with a cover that covers the opening of the pressure welding connector, and this cover includes a seal portion that closes the upper opening portion in a watertight manner, and a wire insertion portion with a slit that closes the insertion portion of the wire. A seal portion having a small hole is provided, and the inside of the connector is waterproofed by covering with this cover body.

``Problem to be solved by the invention'' The above-mentioned known means has a structure in which the open part is sealed and closed at the same time as the cover is covered, so it is not possible to check whether the sealing state of the sealing member is good or not. Some items may come out with incomplete seals.

When covering the cover, the electric wires that have been press-fitted to the insulation displacement terminals in advance are press-fitted into the small wire insertion holes in the seal part of the cover. There are difficulties in assembling the waterproof connector, such as the need for multiple mechanical devices such as a batch press-in device and a cover covering device.

The present invention provides a waterproof insulation displacement terminal connector that overcomes the drawbacks of the conventional means.

``Means for Solving the Problems'' The waterproof insulation displacement terminal connector of the present invention that solves the above-mentioned technical problems consists of ``a box-shaped connector body with a bottom and an upper opening, and a cover body that covers and locks the connector body. accommodating the insulation displacement terminal therein, and along the inner side of the peripheral wall of the connector body, a wire seal hole forming a frame-like ring body through which the connecting wire of the insulation displacement terminal is inserted in a watertight manner; A sealing member having a close-separable open-separable close-separation portion extending from the wire seal hole to the upper end facing the cover body is attached, and a peripheral edge portion press-contacted with the upper end peripheral edge of the sealing member is further formed on the cover body. It has become a "structure".

``Function'' The waterproof insulation displacement terminal connector of the present invention having the above-described structure has a seal having a wire seal hole with a close separation part through which the insulation displacement wire is inserted in a watertight manner along the inner wall of the box-shaped connector body with an upward opening. The member is attached, and a cover body is crimped to cover the upper edge of the seal member, so that the press-contact wire is inserted into the wire seal hole from the close separation part and becomes watertight, and the upper opening of the connector body is The press-contacting peripheral edge of the cover body and the upper end circumferential edge of the sealing member are press-contacted and sealed, and the press-contact terminal and the press-contact electric wire inside the connector are effectively waterproofed.

Then, after the electric wire and the sealing member are engaged in a sealing manner, the cover body is covered, so that the sealing state can be confirmed in the open state, and connector assembly including electric wire pressure welding is simplified.

"Example" Hereinafter, a detailed explanation will be given based on an example. First, referring to FIG. 1 showing an embodiment of the present invention, this embodiment houses a pressure contact terminal 1 having a connecting piece 10 at the upper end of a pair of pressure contact blades 17 that are pressure-welded to the same electric wire as a pair. The waterproof structure of the connector for connecting electric wires to each other is shown, and the connector main body 2 is a box-shaped connector body 2 with a bottom that accommodates press-contact terminals 1 in parallel and is open at the top.
It is composed of a cover body 3 that closes the opening of the connector body 2 and engages with the cover, and a seal member 5 that forms a rectangular ring body and has a wire seal hole 6 through which the wire 4 is inserted in a watertight manner. As shown in FIG. 1B, the sealing member 5 is attached to the inside of the rectangular peripheral wall 8 of the connector body 2, and the electric wires 4 are all press-fitted and connected to the pressure contact terminal 1 from above the connector body 2. The electric wire 4 is inserted into the electric wire seal hole 6 of the sealing member 5.
After that, the cover body 3 is covered and locked to the connector body 2, and the inside of the connector body 2 is made watertight by the seal member 6.

Specifically, the sealing member 5 has a rectangular shape integrally surrounded by a longitudinally elongated rubber band, and is attached to a sealing member accommodating portion 9 provided along the rectangular peripheral wall 8 of the connector body 2. It has a shape in which the upper end is slightly higher than the upper end of the peripheral wall 8. In this sealing member 5, a wire sealing hole 6 is provided through the front wall portion 11 and the rear wall portion 12, through which the wire 4 connected to the pressure contact terminal 1 and drawn out is inserted in a watertight manner. A close separation portion 7 that reaches the upper end of the seal member 5 is formed in the wire seal hole 6 . That is, the close separation part 7 is a rubber wall of the sealing member 5 divided so that it is in close contact with each other in a watertight manner in a free state and can be opened and separated by an external force. The opening is opened to guide the wire 4 into the wire seal hole 6, and when the wire 4 is inserted into the wire seal hole 6, the opening is closed to create a watertight structure.

The cover body 3 has a press-contact peripheral edge 1 that press-contacts with the upper end of the seal member 5 attached to the connector main body 2.
3 on the lower side to close the upper part of the connector main body 2. The cover body 3 has a locking piece 14 on the cover body side and a locking claw 15 on the connector body side.
The connector body 2 is provided with a wire groove 16 into which the pulled out wire 4 is loosely inserted.

The connector of the above embodiment has the above-mentioned effect, and the interior of the connector including the pressure contact terminal 1 and the electric wire 4 connected thereto is effectively waterproofed. As shown in FIG. 1B, at the same time as the electric wire 4 is press-connected to the press-connecting terminal 1 using the electric wire bulk press-welding device, the electric wire 4 is inserted into the electric wire seal hole 6 of the sealing member 5 in a watertight manner, and then Afterwards, the cover body 3 is covered and locked above it to close it, so that the cover body 3 can be easily covered with one touch manually. Then, in the upward open state before the cover body 3 is covered, the sealing state of the sealing member 5 in the connector main body 2 is checked, and if there is a defective seal, it can be corrected.

Next, another embodiment of the present invention will be described based on FIG. 2 shows a waterproof structure of a connector for accommodating a pressure contact terminal 1 having a connecting piece 10 of a pair of pressure contact blades 17 at the lower end shown in FIG. 2A and connecting electric wires to each other. In the embodiment shown in FIG. 2B, the same sealing member 5 as in the previous embodiment is attached to the connector main body 2 housing the pressure contact terminal 1, and a cover body 3 having a peripheral pressure contact portion 13 is placed over the seal member 5. The structure is such that

Further, in the embodiment shown in FIG. 2C, the pressure contact terminal 1 shown in FIG. 2A is housed in the cover body 3, and the electric wire 4 is arranged in the connector body 2 to ensure the sealing position of the sealing member 5 and the electric wire 4. , After that, the cover body 3 is covered and the electric wire 4 is pressed against the electric wire 4.

``Effects of the invention'' As explained above, the waterproof pressure welding terminal connector of the invention allows the sealing condition of the sealing member to be confirmed, thereby preventing the occurrence of defective connectors due to sealing defects, and further improving the ability to assemble the waterproof connector. This has the effect of improving work efficiency.

[Brief explanation of the drawing]

Fig. 1 shows a waterproof insulation displacement terminal connector according to an embodiment of the present invention, A is a perspective view showing its constituent members, B is a front sectional view showing its assembly procedure and state, and Fig. 2
Figures: Showing another embodiment of the present invention, A is a perspective view of the pressure contact terminal, B and C are front sectional views thereof Main symbols: 1...Impression contact terminal, 2...Connector body, 3...Cover body , 4... Electric wire, 5... Seal member, 6... Electric wire seal hole, 7... Close separation part,
8... Peripheral wall, 9... Seal member housing section, 10...
Connection piece, 13... peripheral pressure welding part, 17... pressure contact blade.

Claims (1)

[Scope of claim for utility model registration] A connector body in the shape of a box with a bottom and an upper opening;
It consists of a cover body that covers and locks onto the connector main body, houses the pressure contact terminal therein, and forms a frame-like ring body along the inner side of the peripheral wall of the connector main body, and connects the connection wire of the pressure contact terminal. a sealing member having an electrical wire sealing hole through which the electrical wire is inserted in a watertight manner, and a close separation part that can be freely separated from the opening extending from the electrical wire sealing hole to the upper end facing the cover body; A waterproof pressure contact terminal connector characterized by a structure in which a pressure contact peripheral edge is formed with the upper end peripheral edge of a member.