KR20170081424A - Connector - Google Patents

Abstract

The present invention relates to a connector including a housing having a terminal inserted therein and a holder having a hook portion formed on an inner circumferential surface thereof to be coupled to the housing, wherein the housing includes a coupling portion in which the hook portion is sequentially hooked.

Description

Connector {Connector}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector, and more particularly, to a connector for supporting a terminal or seal inserted into a housing with a rear holder.

Generally, a connector is provided with a terminal made of an electrically conductive material inside a housing made of an insulating material, and is connected to the connector to electrically connect the terminals.

As such, the connector comprises a housing, a terminal, and a cable, the terminal being coupled to the cable and received within the housing.

Meanwhile, in order to solve the problem that the cable is disconnected from the housing or the terminal is broken, the connector is separated from the housing by the action of an external force during the use of the connector, Place the rear holder.

The rear holder is mounted at the rear end of the housing to support the rear end of the terminal provided inside the housing to prevent the terminal from being pushed when the terminal is coupled with the connector.

SUMMARY OF THE INVENTION A problem to be solved by the present invention is to provide a rear holder having a separate structure from a housing and preventing the terminal from being separated from the housing by an external force and eliminating the inconvenience that the rear holder must be inserted into the housing after the terminal is inserted into the housing Connector.

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

In order to achieve the above object, a connector according to an embodiment of the present invention includes a housing having a terminal inserted therein, and a holder having a hook portion formed on an inner circumferential surface thereof to be coupled to the housing.

In addition, the housing may include a coupling portion in which the hook portion is sequentially hooked.

The housing may include an insertion hole into which the holder is inserted, a second locking hole formed at an end of the insertion hole, and a second locking hole formed at a right angle to the first locking hole.

The first latching hole may protrude in a circumferential direction, and the second latching hole may be formed to be perpendicular to the first latching hole in a direction opposite to insertion of the holder.

The plurality of second latching holes may be spaced apart from each other.

In addition, the first latching hole may be formed with an inclined surface to guide the hook portion, and the hook portion may be hooked to the end portion of the inclined surface.

In addition, the second latching hole may be formed to be inclined in the rotation direction of the holder to guide the hook portion.

In addition, the housing includes an insertion hole into which the terminal is inserted, and the holder has a rib inserted into the insertion hole.

The holder 20 is formed with a through hole 20a so as to coincide with the center of the insertion hole and extends from the circumferential surface of the through hole 20a to form the rib.

Further, the rib is inserted into the insertion hole, and the slit is formed to elastically support the holder.

Further, the slit is formed in the extending direction of the rib.

Also, the holder may have an outer diameter larger than an inner diameter of the insertion hole.

The holder has a receiving space in which the insertion port is inserted at one side thereof and a shielding surface at the other side thereof. The shielding surface is formed with the through hole at the center thereof, and communicates with the through- Holes may be formed.

The details of other embodiments are included in the detailed description and drawings.

According to the connector of the present invention, there is one or more of the following effects.

First, according to the connector of the present invention, it is possible to prevent the terminal from being separated from the housing by an external force applied to the rear holder and the housing.

Secondly, according to the connector of the present invention, the inconvenience of fitting the rear holder into the housing after the terminal inserting operation in the housing is solved.

Thirdly, according to the connector of the present invention, there is an effect that the rear holder can surround and support the seal, the terminal, and the wire as a whole.

Fourthly, according to the connector of the present invention, the terminal is supported by the rear holder in a part of the housing, and waterproof performance can be maintained even if the wire is bent.

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

1 is a perspective view showing an embodiment of a connector according to the present invention.
2 is an exploded perspective view showing disassembly of a connector according to the present invention.
3 is a front view showing the housing.
4 is a perspective view showing the holder.
5 is a sectional view showing AA in Fig.
6 is a cross-sectional view showing BB of Fig.
7 is a perspective view showing the coupling of the connector according to the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

FIG. 3 is a front view showing a housing, and FIG. 4 is a perspective view showing a holder. FIG. 4 is a perspective view showing a holder according to the present invention. FIG. Fig. 5 is a sectional view showing AA of Fig. 1, Fig. 6 is a sectional view of BB of Fig. 1, and Fig. 7 is a perspective view of a connector according to the present invention.

A preferred vehicle connector may be modified by a person skilled in the art, and in this embodiment is a connector.

1 is a perspective view showing an embodiment of a connector according to the present invention.

1, a connector 10 according to an embodiment of the present invention includes a housing 10 having a terminal T inserted therein and a holder 20 formed to be coupled to the housing 10.

2 is an exploded perspective view showing disassembly of a connector according to the present invention.

Referring to FIG. 2, the housing 10 has a terminal T inserted therein.

The housing 10 is made of an insulating synthetic resin. And is formed to pass through the housing 10 in the forward and backward directions. A terminal (T) is seated inside the housing (10). The housing 10 is formed with a terminal seat portion so that the terminal T is seated. The housing 10 is formed with an insertion hole 10a into which a terminal T is inserted.

The housing 10 is formed with one end 14 into which the holder 20 is inserted. The housing 10 is extended from the one end portion 14, and the other end portion 12 to which the other connector is inserted and connected is formed. The housing 10 is formed with engaging portions 16 and 18 at which the holder 20 is sequentially engaged with the one end portion 14. The engaging portions 16 and 18 may have a first engaging hole 16 formed at an end of the end portion 14 and a second engaging hole 18 formed at a right angle to the first engaging hole 16 .

Fig. 3 is a front view showing a housing, Fig. 4 is a perspective view showing a holder, Fig. 5 is a sectional view showing A-A in Fig. 1, and Fig. 6 is a sectional view showing B-B in Fig.

Referring to Figs. 3 to 6, the first latching hole 16 projects in the circumferential direction. The cross section of the first latching hole 16 is formed in a triangular shape. The first hooking hole 16 is formed with a first inclined face 16a for guiding the hook portion 26 of the holder 20 to be described later and a first engaging face 16b formed at the end of the first inclined face 16a 5). The first latching back surface 16b is hooked by the hook portion 26 when the holder 20 is assembled to the housing 10. The hooking portion 26 is engaged with the hooking portion 26, (16) is formed with a second locking hole (18) protruding from the outer surface of the housing (10).

The second latching hole 18 is formed to be perpendicular to the first latching hole 16 in the insertion direction of the holder 20. A plurality of second latching holes 18 may be formed along the periphery of the first latching hole 16 and may extend from the first latching hole 16.

On the other hand, the second hooking hole 18 is formed with a second inclined surface 18a inclined in the rotating direction of the holder 20, and guides the hook portion 26. [ An end of the second inclined surface 18a is formed with a second back surface 18b to fix the holder 20 by holding the hook portion 26 thereon. The second latching hole 18 is engaged with the housing 10 so as to prevent the holder 20 from rotating in the opposite direction. The second latching holes 18 may not be formed at intervals of a predetermined angle.

The holder 20 has a receiving space into which one end 14 is inserted and a shielding surface 21 is formed on the other side. The holder 20 is formed with a through hole 20a through which the wire passes at the center of the shielding surface 21. [ The shielding surface 21 of the holder 20 may be formed with a communication hole 20b penetrating through the hook portion 26. [

On the other hand, the communication hole 20b passes through the shielding surface 21 so as to face the hook portion 26. [ That is, when the holder 20 is detached, the external equipment is inserted into the communication hole 20b, and the first latching hole 16 or the second latching hole 18 is pressed into the holder 20, (10).

The through hole 20a of the holder 20 is formed to coincide with the center of the insertion hole 10a. The holder 20 is formed with a rib 25 extending from the circumferential surface of the through hole 20a and inserted into the insertion hole 10a. The holder 20 has a hook portion 26 formed on an inner circumferential surface thereof so as to be coupled to the housing 10.

The holder 20 is formed with a hook portion 26 toward the rib 25 and the housing 10 is inserted between the rib 25 and the hook portion 26.

The ribs 25 are inserted into the insertion holes 10a of the housing 10 to elastically support the holder 20. At this time, the ribs 25 are formed with slits 25a so as to have an elastic force, and the separated ribs 25 may face each other to generate a tensile force. On the other hand, a plurality of slits 25a may be formed in the extending direction of the ribs 25.

The rib 25 has an outer diameter larger than the inner diameter of the insertion hole 10a. The ribs 25 are retracted by insertion into the insertion holes 10a and then returned to their original positions to elastically support the housing 10. [

On the other hand, the hook portion 26 is formed at a position corresponding to the second latching hole 18. The hook portion 26 is eccentric to the inner surface leading end of the side surface portion, and is formed at one side to be inclined to guide the holder. And the other side of the hook portion 26 is uprighted such that the second latching hole 18 is engaged. The hook portion 26 of the holder 20 is hooked on the second spring back surface 18b of the second latching hole 18 to prevent the holder 20 from reversely rotating with respect to the housing 10. [

The rib 25 is formed with a slit 25a in the middle thereof, and the rib 25 can be elastically deformed to be press-fitted into the terminal space of the terminal space. The ribs 25 may be separated into a plurality of slits 25a. The ribs 25 may be divided into a plurality of ribs depending on the number of the slits 25a. However, the present invention is not limited thereto. When two slits 25a are formed, the ribs are divided into two according to the formation of the slits, and when three slits are formed, Can be divided into three. In addition, the slit 25a may be formed to face the hook portion 26 as in the present invention.

On the other hand, a guide surface guided by the insertion hole 10a is formed on the outer side of the tip of the rib 25, and is easily inserted into the insertion hole 10a. The ribs 25 are formed in a generally cylindrical shape. The inner diameter of the rib 25 is smaller than the inner diameter of the insertion hole 10a and the outer diameter of the rib 25 is formed to be larger than the inner diameter of the insertion hole 10a and smaller than the outer diameter of the one end portion 14, The holder 20 can be supported by interference fit.

The guide surface of the rib 25 is located at the entrance of the insertion hole 10a and the hook portion 16b of the holder 20 is fitted to the first- 26 are hooked and not separated from the housing 10 in the assembled state.

The operation of the connector according to the preferred embodiment of the present invention will be described below.

7 is a perspective view showing the coupling of the connector according to the present invention.

Referring to Fig. 7, a connector according to the present invention will be described.

The holder (20) is inserted into the housing (10). At this time, the hook portion (26) of the holder (20) is hooked to the first hooking hole (16) to assemble. On the other hand, the ribs 25 are fitted into the insertion holes 10a.

Therefore, the first latching hole 16 of the holder 20 is not inserted into the terminal seating space until a predetermined force or more is applied, and the hooking portion 26 is hooked over the first latching hole 16, The holder 20 does not move arbitrarily.

Next, the terminal T is sequentially passed through the through hole 20a and the insertion hole 10a so as to be seated on the terminal seating portion of the housing 10. [

Thereafter, the holder 20 is pressed once more to fix the holder 20 to the housing 10. When the holder 20 is pushed toward the housing 10, the guide surface of the rib 25 is guided along the insertion hole 10a. At this time, the ribs 25 are elastically deformed with respect to the slit 25a and inserted into the terminal seating portion.

At this time, the holder 20 is pressed and then rotated to engage with the second latching hole 18 to fix the holder 20 to the housing 10, and the ribs 25 are fixed to one end of the terminal T, I support one end.

At this time, since the hook portion 26 is hooked on the second latching hole 18 by the rotation of the holder 20, it is possible to prevent the holder 20 from being arbitrarily rotated in the reverse direction with respect to the housing 10.

The connector of the present invention as described above can prevent the terminal from being separated from the housing by the external force applied to the rear holder and the housing and the inconvenience that the rear holder is inserted into the housing after the terminal insertion operation is eliminated, And the terminal is supported by the rear holder in a part of the housing so that the waterproof performance can be maintained even if the wire is bent.

The connector according to the embodiment is not limited to the configuration and the method of the embodiments described above, but the embodiments may be modified such that all or some of the embodiments are selectively combined .

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, It will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the present invention.

<Detailed Description of Main Drawings>
10: housing 20: holder

Claims (15)

A housing having a terminal inside; And
And a holder having a hook portion on an inner circumferential surface thereof to be coupled to the housing,
The housing includes:
And the hook portion is engaged sequentially.
The method according to claim 1,
The housing includes:
And an insertion port into which the holder is inserted,
A first latching hole is formed at an end of the insertion port,
And a second latching hole formed to be perpendicular to the first latching hole.
3. The method of claim 2,
The first engagement hole projects in the circumferential direction,
And the second latching hole is formed to be perpendicular to the first latching hole in a direction opposite to insertion of the holder.
The method of claim 3,
The second engagement hole
A plurality of connectors are formed spaced apart from each other.
The method of claim 3,
The first latching hole
An inclined surface is formed to guide the hook portion,
And the hook portion is hooked to an end portion of the inclined surface.
5. The method of claim 4,
The second engagement hole
And is inclined in a rotation direction of the holder so as to guide the hook portion.
3. The method of claim 2,
The housing includes:
And an insertion hole into which the terminal is inserted,
The holder
And a rib inserted into the insertion hole is formed.
3. The method of claim 2,
The holder
A through hole is formed so as to coincide with the center of the insertion hole,
And the rib extends from a peripheral surface of the through hole.
8. The method of claim 7,
The ribs
And a slit inserted into the insertion hole to elastically support the holder.
10. The method of claim 9,
The slit
The connector being formed in the extending direction of the rib.
8. The method of claim 7,
Wherein the holder comprises:
Wherein an outer diameter of the rib is larger than an inner diameter of the insertion hole.
9. The method of claim 8,
Wherein the holder comprises:
A receiving space into which the insertion port is inserted is formed on one side,
A shielding surface is formed on the other side,
The shielding surface
The through hole is formed at the center,
And a communication hole penetrating the hook portion is formed.
A housing having a terminal inserted therein; And
And a holder which is engaged with the housing sequentially,
The housing,
A first latching hole is formed which is primarily engaged by the insertion of the holder,
And is engaged with the second latching hole by rotation of the holder after being engaged with the first latching hole.
14. The method of claim 13,
Wherein the holder comprises:
And a hook portion engaged with the first latching hole and the second latching hole.
15. The method of claim 14,
Wherein the first engaging hole and the second engaging hole are provided with a through-
Wherein the hook is inclined to guide the hook when the holder is inserted and rotated.

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