KR20180071661A - Connector Capable of Seal Checking - Google Patents

Abstract

Provided is a connector capable of seal checking. The connector includes a main body part which has a wire hole coupled to a plurality of wires and a multi-earth terminal hole coupled to a multi-earth terminal coupled to the terminal of the wire, and connects the wire terminal to the multi-earth terminal in an inner space thereof; and a fixing cap for shielding a fixing cap hole formed on the main body part so as to communicate with the inner space. A seal checking hole for selectively communicating the inner space and the outside through the fixing cap hole is formed on the main body part.

Description

[0002] Connector Capable of Seal Checking [

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a connector capable of evaluating airtightness, and relates to a connector capable of hermetically evaluating a plurality of wire terminals to be connected to a ground terminal.

Generally, the grounding connector is intended for the grounding of an electric device, and grounding is performed by connecting a grounding wire to a wire core wire connected to the electric device.

The ground connector has a structure in which a terminal is connected to an end of a coated wire and connected to a ground terminal having a plurality of connection terminals so that a plurality of terminals are connected.

The conventional ground connector as described above has a simple structure, but it is easy to inflow the water through the wire core, thereby causing deterioration in quality due to corrosion due to the influx of moisture.

The ground connector has a structure in which the terminal of the wire is connected to one open side of the housing where both sides are opened and the inner space is formed and the ground terminal is connected to the other side. Leakage occurs.

In order to solve these problems, although a waterproof tube is attached to the connection portion between the wire and the terminal, the operation method is difficult and the phenomenon of water inflow is still being performed.

Furthermore, even if a sealing structure is applied between the housing and the wire core or between the housing and the ground terminal, it is pointed out that it is impossible to confirm whether the sealing structure is maintained after the sealing structure is applied.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a connector capable of evaluating airtightness in which a wire and a multi- The purpose is to provide.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are not restrictive of the invention, unless further departing from the spirit and scope of the invention as defined by the appended claims. It will be possible.

According to an aspect of the present invention, there is provided a wire harness including a wire hole to which a plurality of wires are coupled to one side, and a multi-earth terminal hole to which a multi- A main body portion connecting the wire terminal and the multi earth terminal in the wire terminal; And a fixed cap which shields a fixed caphole formed on the body portion so as to communicate with the inner space; And an airtightness evaluation hole for selectively communicating the inner space and the outside through the fixed cap hole on the main body part is formed.

The connector capable of evaluating the airtightness may further include a wire seal interposed between the wire and the wire hole to maintain airtightness of the wire hole.

The terminal of the wire may include a terminal latch that is coupled to the multi-earth terminal and then interferes with the wire hole direction from the internal space.

The connector capable of evaluating the airtightness may further include a multi-earth terminal seal interposed between the multi-earth terminal and the multi-earth terminal hole to maintain the airtightness of the multi-earth terminal hole.

The fixed cap may include a fixed cap seal interposed between the fixed cap and the fixed cap hole to maintain airtightness of the fixed cap hole.

When air is forcedly injected into the airtightness evaluation hole while the fixed cap is primarily locked, the injected air can be introduced into the inner space through the fixed caphole.

It is possible to determine whether the air injected into the inner space leaks through the wire hole, the multi-earth terminal hole, or the fixed cap hole, so that it is determined that there is no leakage.

When air is forcedly injected into the airtightness evaluation hole in the secondary locking state in which the fixed cap is firstly locked, the injected air can be discharged to the outside through the fixed caphole.

When the air injected toward the fixed cap hole is discharged only to the outside through the fixed cap, it can be determined as a normal state.

Wherein the fixed cap seal is arranged to communicate with the airtightness evaluation hole and the inner space when the fixed cap is firstly locked about a through hole connecting the fixed cap hole and the airtightness evaluation hole and to shield the outside, And may be arranged so as to communicate the airtightness evaluation hole with the outside of the main body portion and shield the internal space when the airtightness evaluation hole is locked.

The fixed cap may include a head member coupled to the outer circumferential surface of the fixed cap seal, an extension member extending in the direction of the inner space on the head member, and a protrusion protruding from the extension member, And an interference member that prevents interference and detachment.

The plurality of interference members may be provided to correspond to positions of the terminals of the wire.

The fixed cap may include a plurality of the interference members on both sides of the extension member to correspond to the case where the wire terminals are inserted in two rows.

Wherein the fixed cap includes a first engaging groove protruding outside the head member and interfering with a step provided on the outer surface of the main body in a first locked state and a second engaging groove engaging with the second engaging groove, May be formed.

According to the present invention,

First, an airtightness evaluation hole communicating with the interior of the main body is provided to determine whether the airtightness is maintained by injecting air into the interior of the main body that has been joined from the outside,

Secondly, since the hermeticity of the assembled connector can be confirmed through the fixed cap, the defective rate can be remarkably reduced,

Thirdly, it is possible to expect an effect that the combined state of the wire terminal and the multi-earth terminal can be more firmly maintained in the body portion.

The effects obtained by the present invention are not limited to the above-mentioned effects, and other effects not mentioned can be clearly understood by those skilled in the art from the following description will be.

FIG. 1 is an exploded perspective view showing an airtightness evaluation connector according to an embodiment of the present invention. FIG.
Fig. 2 is a perspective view showing a state where the fixed cap of the connector capable of hermetic evaluation shown in Fig. 1 is locked. Fig.
3 is a cross-sectional view showing a connector capable of hermetic evaluation shown in Fig. 2 (a).
4 is a cross-sectional view showing a connector capable of hermetic evaluation shown in Fig. 2 (b).
5 is an assembled perspective view showing a state in which a connector capable of hermetic evaluation shown in Fig. 1 is engaged.
Fig. 6 is a reference view showing a cross section of a connector capable of hermetic evaluation shown in Fig. 5;

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined. Therefore, the embodiments described in this specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, It is to be understood that equivalents and modifications are possible.

2 is a perspective view showing a state in which a fixed cap of a connector capable of hermetic evaluation shown in Fig. 1 is locked, and Fig. 2 3 is a cross-sectional view showing a connector capable of evaluating airtightness shown in FIG. 2 (a), and FIG. 4 is a sectional view showing a connector capable of airtightness evaluation shown in FIG. 2 (b).

1 to 4, a connector 100 capable of hermetic evaluation according to an embodiment of the present invention includes a main body 110 connecting a plurality of wires 10 and a multi-earth terminal 20, And a fixed cap (130) coupled onto the portion (110).

The main body 110 includes a plurality of wire holes 111 to which a wire 10 is coupled at one side and a plurality of wire terminals 111 to be connected at a wire terminal 12 provided at an end of the wire 10 to a multi- And the multi-earth terminal hole 112 is formed to connect the internal space 113 of the main body 110 with the wire hole 111 and the multi-earth terminal hole 112, do.

The main body 110 is formed with a fixed cap hole 114 to which the fixed cap 130 is coupled. In the drawing, the wire hole 111 and the multi-earth terminal hole 112 are disposed on a straight line and the fixed cap hole 114 is formed in a direction perpendicular to the wire hole 111. The wire 10 and the multi- The position of the wire hole 111, the multi-earth terminal hole 112, and the fixed cap hole 114 may be changed according to the direction in which the fixed cap 130 and the fixed cap 130 are coupled.

The main body 110 is provided with an airtightness evaluation hole 115 arranged in parallel with the wire hole 111. The airtightness evaluation hole 115 has a function of injecting air from the outside into the main body 110 to confirm whether the airtightness is maintained or not, and has an effect of confirming the airtightness of the internal space 113.

The airtightness evaluation hole 115 is formed with a through hole 116 in the middle to communicate with the fixed cap hole 114. The air injected according to the degree of engagement of the fixed cap 130 flows into the internal space 113, Can be discharged to the outside of the main body 110 through the opening 114.

A wire seal 11 is provided in the wire hole 111 of the main body 110 so as to maintain airtightness at a portion where the wire 10 is coupled. At this time, the wire seal 11 is coupled to the outer circumferential surface of the end of the wire 10, and when the wire terminal 12 is coupled, the wire seal 11 shields the wire hole 111, . Therefore, the wire seal 11 is provided for each wire 10.

A multi-earth terminal seal (21) is provided in the multi-earth terminal hole (112) of the main body (110). Accordingly, the multi-earth terminal hole 112 is kept air-tight through the multi-earth terminal seal 21.

The fixed cap hole 114 is also provided with a fixed cap seal 131 for shielding the fixed cap hole 114. Therefore, the fixed cap hole 114 is kept airtight through the fixed cap seal 131.

Thus, the main body 110 can maintain the airtightness of the internal space 113 through the wire seal 11, the multi-earth terminal seal 21, and the fixed cap seal 131. The wire seal 11, the multi-earth terminal seal 21, and the fixed cap seal 131 may be made of synthetic rubber or silicone and adhered to each other according to their respective hole shapes, It is possible to suppress the decrease in the air tightness holding force between the hole and the seal as much as possible.

The wire terminal 12 is inserted into the wire hole 111 and coupled with the multi-earth terminal 20 mounted on the opposite side of the main body 110. A terminal latch 13 is provided on the wire terminal 11 to interfere with the inner surface of the main body 110 or interfere with the fixed cap 130 coupled to the main body 110.

The terminal latch 13 is resiliently arranged on the wire terminal 12 so that the wire 10 is not interfered in the direction in which the wire 10 flows into the inner space through the wire hole 111, Interference is generated in a direction of being discharged toward the side of the substrate 111. More preferably, the terminal latch 13 interferes with the extension member 133 provided on the fixed cap 130, and a detailed description will be given later.

When the connection between the wire 10 and the multi-earth terminal 20 is completed on the main body 110, air is injected through the airtightness evaluation hole 115, so that the airtightness of the connector 100, To be confirmed.

First, as shown in FIG. 3, the wire 10 and the multi-earth terminal 20 are connected to each other, and the fixed cap 130 is in a state of primary locking. Here, the fixed cap 130 is stepwise combined with the primary locking and the secondary locking, and a detailed description thereof will be later.

When the fixed cap 130 is firstly locked and air is injected into the airtightness evaluation hole 115, the fixed cap seal 131 is inserted into the airtight hole 116 connecting the fixed caphole 114 and the airtightness evaluation hole 115 The air is finally supplied to the inner space 113 while the air is introduced into the fixed cap hole 114 through the air hole 116. As a result, At this time, if the engagement of the wire seal 11 or the multi-earth terminal seal 21 is poor, or the fixed cap seal 131 does not completely seal the fixed cap hole 114, the injected air can pass through at least one of the paths Leakage occurs.

It is checked whether the air injected into the internal space 113 leaks through at least one of the wire hole 111, the multi-earth terminal hole 112 and the fixed cap hole 114. If there is no leakage, It can be judged. Of course, in this case, since the airtightness is reliably maintained in all the paths, the product is delivered as a normal product, and the airtightness defect can be confirmed before the product is shipped, so that the defective rate according to the airtight condition can be remarkably reduced.

Then, as shown in Fig. 4, the fixed cap 130 is subjected to secondary locking.

When the fixed cap 130 is secondarily locked and air is injected into the airtightness evaluation hole 115, the fixed cap seal 131 is passed through the through hole 116 connecting the fixed caphole 114 and the airtightness evaluation hole 115 The air is introduced into the fixed cap hole 114 through the through hole 116 to block the inner space 113 and finally to the main body 110, The air is exhausted to the outside.

At this time, if the fixed cap seal 131 does not completely seal the fixed cap hole 114, the injected air leaks into the inner space 113. Therefore, it is possible to check whether the injected air leaks into the internal space 113 while the fixed cap 130 is secondarily locked, and can determine that the injected air is in a normal state when there is no leakage. In this case, since the evaluation of the airtightness of the inner space 113 is completed, the product is delivered to the normal product.

If it is confirmed that the air injected into the airtightness evaluation hole 115 has leaked through at least one of the wire hole 111, the multi-earth terminal hole 112, and the fixed cap hole 114, It is possible to promptly determine the cause of the defective coupling and improve the quality.

Fig. 5 is an assembled perspective view showing a state in which a connector capable of hermetic evaluation shown in Fig. 1 is engaged, and Fig. 6 is a reference view showing a cross section of a connector capable of hermetic evaluation shown in Fig.

5 and 6, the fixed cap 130 includes a head member 132 coupled to an outer circumferential surface of the fixed cap seal 131, and an insertion / An interference member 134 protruding from the extension member 133 to prevent interference with the wire terminal 12 when the fixing cap 130 is secondarily locked so as to be detached from the wire terminal 12, And an engaging member 135 protruding outside the member 132 and interfering with the step 117 formed on the main body 110.

It is preferable that the head member 132 is formed with a circular cross-section so that the fixed cap seal 131 is coupled to the outer circumferential surface of the head member 132 and can resist the pressure of a predetermined size. Of course, the head member 132 may be applied in the shape of a circle, an ellipse or a polygon.

A coupling member 135 is protruded from the head member 132 so that primary locking and secondary locking of the fixed cap 130 can be applied step by step.

One side of the coupling member 135 is provided with a first coupling groove 136 interfering with the step 117 on the main body 110 in a primary locking state and a second coupling groove 136 interfering with the secondary coupling in a secondary locking state, (137). Therefore, the fixed cap 130 maintains the first locking state when the first coupling groove 136 is engaged with the step 117, and maintains the secondary locking state when the second coupling groove 137 is engaged with the first coupling groove 136 . Here, the secondary locking state is inserted into the inside of the main body 110, as compared with the primary locking state.

Conversely, when detaching the fixed cap 130, it is possible to easily remove the coupling member 135 by pressing the coupling member 135 to the outside of the main body 110, and to separate the wire 10 or the multi- The removal takes place.

The extension members 133 are positioned between the wire terminals 20 located in different rows in the body 110. [ 6, the terminal latch 13 is interfered with the end of the extension member 133 to prevent the wire 10 from being detached.

The interference member 134 is disposed on the edge of the wire terminal 12 so that the wire 10 is positioned on the outer side of the body 110 The interference occurs. Therefore, even when tensile force is generated on the plurality of wires 10 on the main body 110, it can be firmly held through the fixed cap 130.

A plurality of interference members 134 are provided corresponding to the intervals of the wire holes 111 or the positions of the wire terminals 12 and when the wire terminals 12 are inserted in two rows as shown in FIG. Are preferably provided on both sides of the extending member 134 so as to correspond to the fixed cap 130.

As described above, the connector 100 capable of evaluating the hermeticity according to the present invention is provided with the airtightness evaluation hole 115 communicating with the inside of the main body 110, and air is injected into the main body 110, It is possible to determine whether or not airtightness is maintained and the airtightness can be confirmed in a state in which the assembly is completed through the fixed cap 130, so that the defective rate can be remarkably reduced, The joint state of the wire terminal 12 and the multi-earth terminal 20 can be more firmly maintained.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, And the like. Accordingly, such modifications are also considered to be within the scope of the present invention, and the scope of the present invention should be determined by the following claims.

100: Connector for evaluation of confidentiality
110:
120: Fixed cap

Claims (14)

And a multi-earth terminal hole is formed at the other side to which a multi-earth terminal to be coupled with the terminal of the wire is coupled, thereby connecting the wire terminal and the multi-earth terminal in the internal space A body portion; And
A fixed cap for shielding a fixed caphole formed on the body portion so as to communicate with the internal space; / RTI >
Wherein an airtightness evaluation hole for selectively communicating an inner space and an outside via the fixed cap hole is formed on the main body portion,
A connector capable of evaluating confidentiality. The method according to claim 1,
And a wire seal interposed between the wire and the wire hole to maintain the airtightness of the wire hole.
A connector capable of evaluating confidentiality. The method according to claim 1,
The terminal of the wire
And a terminal latch coupled to the multi-earth terminal and interfering in the wire hole direction from the internal space.
A connector capable of evaluating confidentiality. The method according to claim 1,
And a multi-earth terminal seal interposed between the multi-earth terminal and the multi-earth terminal hole to maintain the airtightness of the multi-
A connector capable of evaluating confidentiality. The method according to claim 1,
The fixed cap
And a fixed cap seal interposed between the fixed cap and the fixed cap hole to maintain the airtightness of the fixed cap hole.
A connector capable of evaluating confidentiality. 6. The method of claim 5,
When the air is forcedly injected into the airtightness evaluation hole in a state where the fixed cap is firstly locked, the injected air flows into the inner space through the fixed caphole,
A connector capable of evaluating confidentiality. The method according to claim 6,
Wherein the air is injected into the inner space through one of the wire hole, the multi-earth terminal hole, and the fixed cap hole,
A connector capable of evaluating confidentiality. 6. The method of claim 5,
Wherein when the air is forcedly injected into the airtightness evaluation hole in a state where the fixed cap is firstly locked and further inserted in a secondary locking state,
A connector capable of evaluating confidentiality. 9. The method of claim 8,
Wherein the fixed cap is provided in the fixed cap,
A connector capable of evaluating confidentiality. 6. The method of claim 5,
Wherein the fixed cap seal comprises:
Wherein when the fixed cap is firstly locked with respect to the through hole connecting the fixed cap hole and the airtightness evaluation hole, the fixing cap is disposed to communicate with the inner space and shield the outside, and when the fixed cap is secondarily locked, An airtight evaluation hole communicating with the outside of the main body portion and arranged to shield the internal space,
A connector capable of evaluating confidentiality. 6. The method of claim 5,
The fixed cap
A head member fixed to the outer circumferential surface of the fixed cap seal,
An extension member extending and extending in the direction of the inner space on the head member,
And an interference member protruding from the extension member to prevent interference with the wire terminal and detachment when the fixed cap is secondarily locked.
A connector capable of evaluating confidentiality. 12. The method of claim 11,
Wherein the interference member comprises:
A plurality of wires corresponding to positions of the wires,
A connector capable of evaluating confidentiality. 13. The method of claim 12,
The fixed cap
Wherein a plurality of the interference members are provided on both sides of the extending member so as to correspond to the case where the wire terminals are inserted in two rows,
A connector capable of evaluating confidentiality. 12. The method of claim 11,
The fixed cap
A first engaging groove protruding outside the head member and interfering with a step provided on an outer surface of the main body in a first locking state, and a second engaging groove formed in the second locking state, / RTI >
A connector capable of evaluating confidentiality.

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