KR20230120392A - Waterproof Connector - Google Patents

Abstract

The present invention relates to a waterproof connector capable of watertightly sealing between a first housing and a second housing with a simple structure. It has an effect of preventing inflow into the first housing and the second housing. In addition, since the extension formed in the watertight part is physically and firmly fixed between the first housing and the second housing, even if strong external pressure or vibration is applied to the watertight part, the position of the watertight part does not arbitrarily move in the forward and backward directions, The watertight portion has an effect of continuously maintaining watertightness between the first housing and the second housing.

Description

Waterproof Connector {Waterproof Connector}

The present invention relates to a waterproof connector, and more particularly, to a waterproof connector capable of watertightly sealing a first housing and a second housing with a simple structure.

In general, in the case of a connector applied to an engine room of a vehicle, a waterproof connector is used to prevent external fluid from penetrating. Waterproof connectors are at the level of protecting against a little moisture and dust, and recently, in preparation for flooding, complete waterproofing conditions are required even under harsh water conditions. In the case of a seal used in such a waterproof connector, maintaining an appropriate contact pressure suitable for a waterproof grade is an important design matter to maintain waterproof performance during long-term use. To this end, the male and female housings are coupled to each other, and a seal is placed between them to prevent water from entering into the gap between the male housing and the female housing.

1 is a view shown to explain a conventional waterproof connector. Referring to FIG. 1, a conventional waterproof connector includes a first connector 10 and a second connector 20 mated together, and a waterproof seal between the first connector 10 and the second connector 20 ( 30) is intervened. The first connector 10 includes a first housing 11 and a first terminal 12 inserted into the first housing 11 . The second connector 20 connects the second terminal 22 inserted into the second housing 21 so as to be electrically coupled with the second housing 21 and the first terminal 12 into which the first housing 11 is inserted. include The waterproof seal 30 is formed to surround the outer periphery of the first housing 11 and is chemically bonded to the inner periphery of the first housing 11 . Also, when the first housing 11 is inserted into the second housing 21, the outer periphery of the waterproof seal 30 comes into contact with the inner periphery of the second housing 21, preventing water from entering.

The waterproof seal 30 is configured not to move arbitrarily in the first housing 11 even if an external impact generated during driving of the vehicle is applied to the waterproof seal 30, but the waterproof seal 30 is Since it must be bonded to the housing 11, there is a problem in that the coupling structure is very complicated.

Korean Registered Patent Publication No. 10-1985114

An object of the present invention to solve the problems of the prior art as described above is to provide a waterproof connector capable of watertightly sealing between the first housing and the second housing with a simple structure.

In order to achieve the above object, the present invention provides a first housing having an empty space therein, a first blocking wall blocking an open side of the first housing, and the first housing at one side of the first blocking wall. a first connector having a first protruding portion protruding toward the other open side of the first protruding portion and a first terminal guide portion formed along the inside of the first protruding portion; A second housing inserted into the space between the first housing and the first protrusion and having an empty space formed therein so that the first protrusion is received through one open side, and connected to the other closed side of the second housing a second connector having a second terminal guide; and a watertight portion formed to surround an outer periphery of one side of the first protrusion, and when one side of the second housing is inserted into the space between the first housing and the first protrusion, the inner periphery of one side of the second housing provides a waterproof connector, characterized in that in contact with the outer periphery of the watertight portion in a watertight manner.

In addition, when the anti-flow portion protrudes in the direction of the inner circumference of the first housing along the outer circumference of the singi watertight portion, and one side of the second housing is inserted into the space between the first housing and the first protrusion, the One end of the second housing provides a waterproof connector, characterized in that configured to press the flow prevention part in the direction of the first blocking wall.

In addition, the flow prevention part includes an inclined part protruding so as to be inclined at an outer circumferential end of the watertight part facing the first blocking wall, and an extension part extending from an end of the inclined part to contact the first blocking wall And, one end of the second housing presses the extension toward the first blocking wall in a state of being in contact with the inclined portion so that one end of the second housing and the extension overlap each other. provides

In addition, the first blocking wall provides a waterproof connector, characterized in that a vertical flow prevention protrusion is formed protruding in the direction of the extension, and an insertion groove is formed concavely to insert the vertical flow prevention projection at the end of the extension. do.

In addition, a first engagement portion protruding into a space between the first housing and the first protrusion at one side of the first blocking wall and having elasticity, and one side of the second housing is formed to protrude into a space between the first housing and the first protrusion. When inserted into the space between the protrusions, a waterproof connector further comprising a second engaging portion formed to be engaged with the first coupling protrusion on the other side of the second housing opposite to the first coupling protrusion. to provide.

In addition, one longitudinal side of the first protrusion is connected to the first blocking wall, a first locking groove is formed on the other longitudinal side of the first protrusion, and a space is formed therein so that the other side of the first protrusion is inserted. and a first position assurance unit configured to determine the position of the first terminal inserted into the first terminal guide unit, and an end portion of the first position assurance unit facing the first blocking wall is caught in the first locking groove. It provides a waterproof connector characterized in that the first locking protrusion protrudes to be coupled.

In addition, the first protrusion includes a watertight protrusion connected to the first blocking wall, and an extension protrusion extending away from the first blocking wall outside the watertight protrusion, and the first locking groove is It is formed on one side of an extended protrusion connected to the watertight protrusion, the watertight portion is mounted on the watertight protrusion, a first locking guide portion is formed along the upper and lower longitudinal directions of the outer circumference of the elongated protrusion, and the first position guarantee unit Provides a waterproof connector characterized in that the first sliding guide portion is formed on the upper and lower sides of the inner periphery so as to slide along the first locking guide portion.

In addition, the first protrusion is connected to the first blocking wall and a watertight protrusion coupled to the outer periphery of the watertight protrusion, and an upper protrusion extending away from the first blocking wall on the outer upper side of the watertight protrusion, A lower protrusion extending away from the first blocking wall at the outer lower side of the watertight protrusion, a locking guide hole formed along the lower longitudinal direction of the upper protrusion so as to communicate with the lower protrusion, and an upper side of the lower protrusion. A first locking elastic part protruding in the direction of the locking guide hole and having elasticity, wherein the first locking groove is connected to one side of the upper protrusion connected to the upper side of the watertight protrusion and to the lower side of the watertight protrusion. It is formed on one side of the lower protrusion, and the first terminal guide portion is formed through a first guide portion formed on the upper side of the watertight protrusion portion, and a second guide portion communicated with the first guide portion and formed through the upper protrusion portion When the first terminal passes through the first guide and is inserted into the second guide, the first locking elastic part guides the first terminal to be moved while moving up and down, and the first terminal When inserted into the second guide, a first lower locking guide is formed below the first terminal so that the first locking elastic is inserted and caught, and the first locking elastic is caught on the first lower guide. In, when the upper protrusion and the lower protrusion are inserted into the first position guarantee unit, the first movement blocking portion is inserted into the space between the first locking elastic part and the lower inner periphery of the lower protrusion inside the first position guarantee unit. Provided is a waterproof connector characterized in that a portion is formed.

In addition, the first catching groove includes an upper catching groove formed on one side of the upper projection connected to the upper side of the watertight projection and a lower catching groove formed on one side of the lower projection connected to the lower side of the watertight projection. And, the upper locking groove is formed to pass through in the direction of the second guide, and the upper protrusion and the lower protrusion are inserted into the first position guaranteeing part, so that the upper locking groove and the lower locking groove have the first locking groove. When each of the protrusions is inserted, a waterproof connector is formed on the upper side of the first terminal so that the first locking protrusion penetrating the upper protrusion is inserted and caught.

In addition, in a state where the first locking elastic part is caught on the first lower engaging guide, before the upper and lower projections are inserted into the first position guaranteeing part, a first opening hole is formed at an end of the lower projection. In a state in which the end of the first locking elastic part is caught on the first jig inserted into the lower protrusion through the first open hole, the first locking elastic part is moved downward by the first jig. 1 Provides a waterproof connector characterized in that it is moved so as not to be caught in the lower locking guide.

In addition, a second blocking wall located on the other closed side of the second housing and a second protrusion protruding from one side of the second blocking wall toward the open side of the second housing, wherein the second The terminal guide is formed along the inside of the second protrusion, one side of the second protrusion in the longitudinal direction is connected to the second blocking wall, and a second locking groove is formed on the other side of the second protrusion in the longitudinal direction, A space is formed therein so that the second protrusion is inserted, and a second position guaranteeing part for determining the position of the second terminal inserted into the second terminal guide part is further included, and the second position guaranteeing part faces the second blocking wall. Provides a waterproof connector characterized in that the second locking protrusion is protrudingly formed on one side of the second locking protrusion so as to be engaged with the second locking groove.

In addition, second locking guides are formed along the upper and lower longitudinal directions of the inner periphery of the second housing, and slide along the second locking guides along the upper and lower longitudinal directions of the outer periphery of the second position guarantee unit, respectively. 2 It provides a waterproof connector characterized in that the sliding guide portion is formed.

In addition, the second protrusion is formed such that one side is connected to one side of the second blocking wall and the other side extends away from the second blocking wall, and the second terminal guide portion is formed so that the second terminal is inserted therein. a coupling guide protrusion, a coupling guide penetrating portion formed along the longitudinal lower side of the coupling guide protrusion so as to open the lower side in the longitudinal direction of the coupling guide protrusion, and the coupling guide penetrating portion at the other side of the second blocking wall A second locking elastic part protruding downward and having elasticity, the second locking groove is formed along one longitudinal direction of the coupling guide protrusion not facing the second locking elastic part, and the second terminal When inserted into the second terminal guide part, the second locking elastic part guides the second terminal to be moved while moving up and down, and when the second terminal is inserted into the second terminal guide part, the second terminal A second lower engaging guide portion is formed at the lower side so that the second locking elastic portion is inserted and caught, and in a state in which a part of the coupling guide protrusion is inserted into one side of the inside of the second position guarantee portion, the inside of the second position guarantee portion In a state in which the second locking protrusion is formed in a cantilever shape so as to be caught on one side of the second locking groove on the other side, and the second locking elastic part is caught on the second lower locking guide, one inner side of the second position guarantee unit When all of the coupling guide protrusions are inserted, the second locking protrusions are slid in the direction to the other side of the second locking groove, and the second locking protrusions are located below the second position guaranteeing portion facing the second locking elastic part. It provides a waterproof connector characterized in that the second movement blocking portion is formed to support the lower portion of the locking elastic portion.

In addition, the second movement blocking part includes a support protrusion protruding upward from the lower side of the second position guaranteeing part, and a lower part of the second locking elastic part in a bent state in the direction of the second blocking wall at an upper end of the support protrusion. It provides a waterproof connector, characterized in that it includes a support bent portion for supporting, and an insertion protrusion is formed on the lower side of the second blocking wall so as to be inserted into the space between the support bent portion and the lower side of the second position guaranteeing portion.

In addition, the second position is located in the opposite direction of the second blocking wall in a state where the second locking elastic part is engaged with the second lower engaging guide part and the engagement guide protrusion is partially inserted into the second position guarantee part. A second open hole is formed at the end of the guarantee unit, and in a state in which the end of the second locking elastic part is caught in the second jig inserted into the coupling guide through part through the second open hole, the downward movement of the second jig Provides a waterproof connector characterized in that the second locking elastic portion is moved so as not to be caught in the second lower engaging guide portion.

In addition, a space is formed therein so that the other side of the first protrusion is inserted, and a first position assurance part for determining the position of the first terminal inserted into the first terminal guide part, and the second housing is closed on the other side. 2. A second protrusion that protrudes toward one open side of the housing and is formed along the inside of the second terminal guide, and a space is formed therein so that the other side of the second protrusion is inserted, and the second protrusion is inserted into the second terminal guide. It further includes a second position assurance unit for determining the position of the second terminal, and when one side of the second housing is inserted into the space between the first housing and the first protrusion, the second position assurance unit maintains the first position. An insertion guide protrusion is protrudingly formed to be inserted into the guarantee unit and the first protrusion, and a position guarantee guide and a protruding insertion guide are respectively formed on the first position guarantee and the first protrusion so that the insertion guide protrusion is slidably inserted. A waterproof connector is provided.

In addition, a space is formed inside so that the other side of the first protrusion is inserted, and a first position guarantee unit for determining the position of the first terminal inserted into the first terminal guide unit, and protruding along the outer circumference of the first position guarantee unit It further includes a plurality of position fixing ribs formed, and when one side of the second housing is inserted into the space between the first housing and the first protrusion, the first position guarantee unit is formed on the inner periphery of the other side of the second housing. However, the position fixing rib is in close contact with the inner periphery of the other side of the second housing, thereby providing a waterproof connector characterized in that the flow of the first position guarantee part is restricted.

The present invention has an effect of preventing external moisture from flowing into the first housing and the second housing by making the space between the first housing and the second housing watertight with the watertight portion.

In addition, since the extension formed in the watertight part is physically and firmly fixed between the first housing and the second housing, even if strong external pressure or vibration is applied to the watertight part, the position of the watertight part does not arbitrarily move in the forward and backward directions, The watertight portion has an effect of continuously maintaining watertightness between the first housing and the second housing.

In addition, since the up-and-down flow prevention protrusion formed in the watertight part is configured to be inserted into the insertion groove, the watertight part does not flow arbitrarily in the vertical direction, so even if external pressure or vibration is applied to the watertight part, the watertight part does not flow between the first housing and the second housing. It has the effect of continuously maintaining watertightness.

In addition, when the first position guarantee unit is inserted into the first housing, the first locking protrusion is inserted into the upper locking groove and the lower locking groove, and the second locking guide unit and the first sliding guide unit are coupled together. Since the locking proceeds, the first position guarantee unit has an effect of firmly maintaining its position for a long time without being arbitrarily separated or shaken inside the first housing.

In addition, if the first terminal is not completely inserted into the first housing, the first terminal is doubly interfered with by the first locking elastic part and the first locking protrusion, so the operator must properly insert the first terminal into the first housing. There is an effect of easily recognizing a state that has not been performed.

In addition, the first locking elastic part can be detached from the first lower engaging guide by using the first jig, so that the first terminal inserted into the first terminal guide of the first housing can be easily reworked. there is.

In addition, when the second position guarantee unit is inserted into the second housing, primary locking in which the second locking protrusion is engaged with the second locking groove, and secondary locking in which the second locking guide unit and the second sliding guide unit are coupled together As it progresses, the second position guarantee unit has an effect of firmly maintaining its position for a long time without being arbitrarily separated or shaken inside the second housing.

In addition, since the insertion protrusion is inserted into the space between the support bending part and the lower side of the second position guaranteeing part, even if a strong downward pressure is applied to the second locking elastic part, the support bending part cannot descend, so that the second locking elastic part It has the effect of supporting more firmly.

Also, if the second terminal is not completely inserted into the second housing, interference occurs in the second terminal, so the operator can easily recognize the state in which the second terminal is not properly inserted into the second housing.

In addition, the second locking elastic part can be detached from the second lower engaging guide by using the second jig, so that the second terminal inserted into the second terminal guide of the second housing can be easily reworked. there is.

In addition, since the position fixing ribs are configured to come into close contact with the inner periphery of the second housing evenly in all directions, no gap is generated between the first position guaranteeing part and the inner circumference of the second housing, and the first positioning guaranteeing part moves vertically or horizontally. Positional movement is restricted so as not to occur, and accordingly, up and down and left and right movements between the first connector and the second connector are minimized, thereby improving contact reliability between the first terminal and the second terminal.

1 is a view shown to explain a conventional waterproof connector.
2 is a diagram schematically showing a waterproof connector according to a preferred embodiment of the present invention.
3 is a view showing a state in which a first connector and a watertight portion of a waterproof connector according to a preferred embodiment of the present invention are separated.
4 is a diagram schematically showing the inside of the first housing of the first connector according to a preferred embodiment of the present invention.
5 is a longitudinal cross-sectional view showing a state in which a first position assurance unit is inserted into a first housing into which a first terminal is inserted according to a preferred embodiment of the present invention.
6 is a longitudinal cross-sectional view showing a state in which a first position assurance unit is inserted into a first housing into which a first terminal is inserted according to a preferred embodiment of the present invention.
7 is a cross-sectional view showing a state in which a first position assurance unit is inserted into a first housing into which a first terminal is inserted according to a preferred embodiment of the present invention.
8 is a cross-sectional view showing a state in which a first position assurance unit is inserted into a first housing in accordance with a preferred embodiment of the present invention in a state in which the first terminal is not completely inserted.
9 is a view to explain a state in which a first terminal inserted into a first housing according to a preferred embodiment of the present invention is reworked using a jig.
10 is a view showing a disassembled state of the second connector of the waterproof connector according to a preferred embodiment of the present invention.
11 is a view schematically showing the inside of the second housing of the second connector according to a preferred embodiment of the present invention.
12 is a diagram schematically illustrating a second position assurance unit of a second connector according to a preferred embodiment of the present invention.
13 is a longitudinal cross-sectional view showing a state in which a second position assurance unit is inserted into a second housing into which a second terminal is inserted according to a preferred embodiment of the present invention.
14 is a longitudinal cross-sectional view showing a state in which a second position assurance unit is inserted into a second housing into which a second terminal is inserted according to a preferred embodiment of the present invention.
15(a) is a longitudinal cross-sectional view showing a state in which the second locking protrusion of the second position guarantee unit is primarily coupled to the second housing into which the second terminal is inserted according to a preferred embodiment of the present invention; (b) is shown to explain the position of the second movement blocking unit in a state in which the second locking protrusion of the second position guarantee unit is primarily coupled to the second housing into which the second terminal is inserted according to a preferred embodiment of the present invention. it is a drawing
16(a) is a longitudinal cross-sectional view showing a state in which a second locking protrusion of a second position guarantee unit is secondarily coupled to a second housing into which a second terminal is inserted according to a preferred embodiment of the present invention; (b) is shown to explain the location of the second movement blocking unit in a state in which the second locking protrusion of the second position guarantee unit is secondarily coupled to the second housing into which the second terminal is inserted according to a preferred embodiment of the present invention. it is a drawing
17 is a cross-sectional view showing a state in which a second position assurance unit is inserted in a state in which the second terminal is not completely inserted into the second housing according to a preferred embodiment of the present invention.
18 is a view to explain a state in which a second terminal inserted into a second housing according to a preferred embodiment of the present invention is reworked using a jig.
19 is a cross-sectional view showing a state in which a first connector and a second connector of a waterproof connector according to a preferred embodiment of the present invention are coupled.
FIG. 20 is a view showing a cross section AA′ of FIG. 19 .
FIG. 21 is a view showing a cross section BB′ of FIG. 19 .

Hereinafter, a waterproof connector according to a preferred embodiment of the present invention will be described in more detail with reference to the accompanying drawings.

2 is a view schematically showing a waterproof connector according to a preferred embodiment of the present invention, and FIG. 3 is a view showing a state in which the first connector and the watertight portion of the waterproof connector according to a preferred embodiment of the present invention are separated, 4 is a diagram schematically showing the inside of the first housing of the first connector according to a preferred embodiment of the present invention.

Referring to FIGS. 2 to 4 , the waterproof connector according to a preferred embodiment of the present invention is installed, for example, in a vehicle where vibration and shock are severe and water intrusion is frequent, and the first connector 1000 and the second connector 2000 ) and a watertight part 3000. The first connector 1000 includes a first housing 100 and a plurality of first terminals 160 inserted into the first housing 100, and the first terminal 160 inserted into the first housing 100 A first position assurance unit 150 inserted into the first housing 100 may be further included to ensure the position of the position.

The first housing 100 is formed such that an empty space is formed therein and both sides are open. In addition, one open side of the first housing 100 is blocked by the first blocking wall 110, that is, closed. A first protrusion 120, a first locking elastic part 128, a first locking groove 127, and a first locking guide part 124a are provided inside the first housing 100.

A plurality of first protrusions 120 are provided to guide the first terminal 160 inserted into the first housing 100, and each first protrusion 120 is located on one side of the first blocking wall 110. A watertight protrusion 122 protruding in the open direction of the other side of the first housing 100, connected to the inner surface of the first blocking wall 110, and a first blocking portion outside the watertight protrusion 122 It includes an extension protrusion 124 extending away from the wall 110 . A watertight portion 3000 to be described in FIG. 20 is coupled to the outer periphery of the watertight protrusion 122 . The extension protrusion 124 includes an upper protrusion 125 extending away from the first blocking wall 110 on the outer upper side of the watertight protrusion 122 located in the opposite direction of the first blocking wall 110, and a first It includes a lower protrusion 126 extending away from the first blocking wall 110 at the outer lower side of the watertight protrusion 122 located in the opposite direction of the blocking wall 110 . In addition, a locking guide hole 125a is formed through the lower longitudinal direction of the upper protrusion 125 so that the upper protrusion 125 and the lower protrusion 126 communicate with each other. Also, a first seal guide part 123 is protruded from the outer surface of the first blocking wall 110 facing the outside of the first housing 100 to communicate with the watertight protrusion 122 .

And the first terminal guide portion 130 through which the first terminal 160 is guided includes the first guide portion 132 penetrating along the upper inside of the watertight protrusion 122 and the first guide portion 132. It communicates and includes a second guide part 134 formed through the upper protrusion 125 along the inside.

The first locking elastic part 128 protrudes from the upper side of the lower protrusion 126 toward the locking guide hole 125a. The first locking elastic part 128 is formed in a cantilever shape and is configured to have elasticity. In addition, an end portion of the first locking elastic part 128 in the lengthwise direction is formed to protrude upward and is configured to be inserted into and caught in the first lower engaging guide part 162 to be described later.

The first catching groove 127 is concavely formed on one side of the extension protrusion 124 connected to the watertight protrusion 122. Specifically, the first catching groove 127 is connected to the upper side of the watertight protrusion 122. It includes an upper catching groove 127a concavely formed on one side of the upper protrusion 125 and a lower catching groove 127b concavely formed on one side of the lower protrusion 126 connected to the lower side of the watertight protrusion 122. . The upper locking groove 127a is formed to penetrate in the direction of the second guide part 134 .

The first locking guide 124a is formed on the outer periphery of the extended protrusion 124, and specifically, in the longitudinal direction of the upper outer periphery of the upper protrusion 125 and the lower outer periphery of the lower protrusion 126. formed along each direction. The first locking guide 124a may be formed long in a concave rail shape or a convex rib shape.

5 is a longitudinal cross-sectional view showing a state in which a first position assurance unit is inserted into a first housing into which a first terminal is inserted according to a preferred embodiment of the present invention, and FIG. This is a longitudinal cross-sectional view showing a state in which the first position assurance unit is inserted into the first housing into which the terminal is inserted.

Referring to FIGS. 4 to 6 , the first terminal 160 passes through the first guide part 132 and is inserted into the second guide part 134 . At this time, while the first locking elastic part 128 moves up and down, it guides the first terminal 160 to be moved. And when the first terminal 160 is inserted into the second guide part 134, the first lower locking elastic part 128 is inserted and caught on the lower side of the first terminal 160 so that the first lower engaging guide part 162 is formed concavely. And, on the upper side of the first terminal 160, an upper catching guide 164 is formed concavely so as to face the upper catching groove 127a. In this way, when the first terminal 160 is normally inserted into the first terminal guide 130, the first lower engaging guide 162 of the first terminal 160 is positioned so as to be caught by the first locking elastic part 128. , there is an effect that the first terminal 160 is not arbitrarily removed. Also, when the first terminal 160 is coupled to the first housing 100, the first seal 170 is inserted into the first seal guide 123 so that the first terminal guide 130 becomes watertight.

The first position guarantee unit 150 determines the position of the first terminal 160 inserted into the first terminal guide unit 130, and has a space therein so that the extension protrusion 124 of the first protrusion 120 is inserted. is formed In addition, the upper and lower portions of the ends of the first position guarantee unit 150 facing the first blocking wall 110 are engaged with the upper and lower locking grooves 127a and 127b of the first locking groove 127, respectively. A pair of first locking protrusions 152 are formed to protrude. In addition, a first movement blocking part 159 is protruded from the inner lower side of the first position guaranteeing part 150 to be inserted into the space between the first locking elastic part 128 and the lower inner periphery of the lower protruding part 126.

Then, the first terminal 160 is inserted into the first housing 100 in place, and at this time, the first locking elastic part 128 is caught by the first lower engaging guide part 162 . Then, the first position guaranteeing part 150 is inserted into the first housing 100. At this time, the upper protrusion 125 and the lower protrusion 126 are inserted into the first position guaranteeing part 150, and the upper holding groove ( 127a) and a pair of first locking protrusions 152 are respectively inserted into the lower locking groove 127b. Then, the first locking protrusion 152 penetrating the upper locking groove 127a is inserted into the upper locking guide 164 formed on the upper side of the first terminal 160 and is caught. In this way, when the first position guaranteeing part 150 is inserted into the first housing 100, the first locking protrusion 152 is inserted into the upper locking groove 127a and the lower locking groove 127b. ) has the effect of being firmly coupled to the first housing 100.

And inside the first position guaranteeing part 150, the first movement blocking part 159 is inserted into the space between the first locking elastic part 128 and the lower inner periphery of the lower protrusion 126, and the first locking elastic part ( 128) to block the downward movement. That is, in order for the first terminal 160 to be detached from the first housing 100, the first locking elastic part 128 is moved downward so that the first locking elastic part 128 is the first lower engaging guide part 162. have to get out of However, as described above, since the first movement blocking portion 159 blocks the downward movement of the first elastic locking portion 128, the first elastic portion 128 can escape from the first lower engaging guide portion 162. Therefore, the first terminal 160 cannot be arbitrarily removed from the first housing 100 .

7 is a cross-sectional view showing a state in which a first position assurance unit is inserted into a first housing into which a first terminal is inserted according to a preferred embodiment of the present invention.

Referring to FIGS. 5 and 7 , first sliding guides 154 are formed on the upper and lower sides of the inner periphery of the first position assurance unit 150 to slide along the first locking guides 124a. The first sliding guide part 154 is formed long in the longitudinal direction, and on the upper side of the inner periphery of the first position guarantee part 150, the two first sliding guide parts 154 are formed concavely in a mutually spaced state. And, one first sliding guide part 154 is convexly formed on the lower side of the inner periphery of the first position guarantee part 150. And when the extension protrusion 124 is inserted into the first position guarantee unit 150, the first locking guides 124a respectively formed on the top and bottom of the extension protrusion 124 are attached to the first sliding guide 154. It slides in a coupled state. In this way, when the first position guaranteeing part 150 is inserted into the first housing 100, the first locking protrusion 152 is inserted into the upper locking groove 127a and the lower locking groove 127b, together with the primary locking, 1 Since the secondary locking in which the locking guide 124a and the first sliding guide 154 are combined proceeds, the first position assurance unit 150 maintains its original position without being randomly separated or shaken inside the first housing 100. It has the effect of keeping it strong for a long time.

8 is a cross-sectional view showing a state in which a first position assurance unit is inserted into a first housing in accordance with a preferred embodiment of the present invention in a state in which the first terminal is not completely inserted.

4 and 8, if the first terminal 160 is not completely inserted into the first terminal guide part 130 of the first housing 100, the first locking elastic part 128 is the first terminal 160 cannot be inserted into the first lower engaging guide part 162, so a first order interference occurs between the lower side of the first terminal 160 and the lower side of the first locking elastic part 128, and the first terminal ( 160) presses the first locking elastic part 128 downward.

And, if the first terminal 160 is not completely inserted into the first terminal guide 130 of the first housing 100, the upper side of the first terminal 160 covers the lower side of the upper locking groove 127a. is located In this state, when the first position guaranteeing part 150 is coupled to the first housing 100, the first locking protrusion 152 of the first position guaranteeing part 150 is inserted into the upper locking groove 127a, As the upper side of the first terminal 160 collides, secondary interference occurs between the first locking protrusion 152 and the first terminal 160 .

In this way, if the first terminal 160 is not completely inserted into the first housing 100, double interference occurs, so the operator can easily prevent the first terminal 160 from being properly inserted into the first housing 100. It has a perceptible effect.

9 is a view to explain a state in which a first terminal inserted into a first housing according to a preferred embodiment of the present invention is reworked using a jig.

Referring to FIG. 9 , the upper protrusion 125 and the lower protrusion 126 are inserted into the first position assurance unit 150 in a state where the first locking elastic part 128 is caught on the first lower engaging guide part 162. Prior to this, a first open hole 126a is formed through the end of the lower protrusion 126 located in the opposite direction to the first blocking wall 110 .

In addition, when the first terminal 160 inserted into the first housing 100 needs to be reworked, that is, the operator needs to re-move it to a desired position, the first locking elastic part 128 is performed using the first jig J1. is lifted upwards. The first jig (J1) is formed elongated along the longitudinal direction, for example, and is formed sharply towards the end. Then, the worker inserts the first jig (J1) into the lower protrusion (126) through the first open hole (126a) so that the end of the first locking elastic part (128) is caught at the end of the first jig (J1). place the In this state, the operator moves the first jig (J1) downward, and the first jig (J1) forces the first locking elastic part (128) downward. Then, the first locking elastic part 128 is moved so as not to be caught in the first lower engaging guide part 162 .

As such, the present invention can detach the first locking elastic part 128 from the first lower engaging guide part 162 using the first jig J1, so that the first terminal guide part of the first housing 100 ( 130) has an effect of easily reworking the first terminal 160 inserted into the terminal 160.

10 is a view showing a disassembled state of the second connector of the waterproof connector according to a preferred embodiment of the present invention, and FIG. 11 schematically shows the inside of the second housing of the second connector according to a preferred embodiment of the present invention. It is an illustrated drawing.

10 and 11, the second connector 2000 includes a second housing 200 and a plurality of second terminals 260 inserted into the second housing 200, and the second housing 200 A second position guarantee unit 250 inserted into the second housing 200 may be further included to ensure the position of the second terminal 260 inserted therein.

The second housing 200 is formed such that an empty space is formed therein and both sides are open. In addition, one open side of the first housing 100 is blocked by the second blocking wall 210, that is, closed. Also, the open other side of the second housing 200 is inserted into the space between the first housing 100 and the first protrusion 120, and coupled with the first housing 100. This will be described later. Also, a second protrusion 220 and a second locking guide 229 are provided inside the second housing 200 .

A plurality of second protrusions 220 are provided so as to guide the second terminal 260 inserted into the second housing 200, and each second protrusion 220 includes a coupling guide protrusion 222 and a coupling guide through. It includes a part 224, a second locking groove 228 and a second locking elastic part 226.

The coupling guide protrusion 222 has one side connected to one inner surface of the second blocking wall 210 and the other side extending in the open direction of the second housing 200 away from the second blocking wall 210 . And the second terminal guide portion 230 through which the second terminal 260 is guided is formed through the coupling guide protrusion 222 along the inner longitudinal direction. Also, a second seal guide part 223 is protruded from the outer surface of the second blocking wall 210 facing the outside of the second housing 200 to communicate with the coupling guide protrusion 222 .

The coupling guide through portion 224 is formed to penetrate along the lower side of the coupling guide protrusion 222 in the longitudinal direction so as to open the lower side in the longitudinal direction of the coupling guide protrusion 222 .

The second locking elastic part 226 protrudes from the other side of the second blocking wall 210 toward the lower side of the coupling guide through part 224 . The second locking elastic part 226 is formed in a cantilever shape to have elasticity. Also, an end portion of the second locking elastic part 226 in the lengthwise direction is formed to protrude upward, so that it can be inserted into and caught in the second lower engaging guide part 262 to be described later.

The second locking groove 228 is formed concavely on the other longitudinal side of the coupling guide protrusion 222 when one side in the longitudinal direction of the coupling guide protrusion 222 is connected to the second blocking wall 210 . That is, the second locking groove 228 is formed along the other longitudinal direction of the coupling guide protrusion 222 that does not face the second locking elastic portion 226 .

The second locking guide part 229 is formed on the inner periphery of the second housing 200, and in detail, the second housing 200 is formed along the upper and lower longitudinal directions, respectively. The second locking guide 229 may be formed long in a concave rail shape or a convex rib shape.

12 is a diagram schematically showing a second position assurance part of a second connector according to a preferred embodiment of the present invention, and FIG. 14 is a view showing a state in which the position guarantee unit is inserted in a longitudinal cross-section, and FIG. 14 is a view showing a state in which the second position guarantee unit is inserted in a second housing into which a second terminal according to a preferred embodiment of the present invention is inserted in a longitudinal cross-section. .

Referring to FIGS. 11 to 14 , the second terminal 260 is inserted into the second terminal guide part 230 . At this time, while the second locking elastic part 226 moves up and down, it guides the second terminal 260 to be moved. And when the second terminal 260 is inserted into the second terminal guide 230, the second lower locking elastic part 226 is inserted and caught on the lower side of the second terminal 260 so that the second lower engaging guide 262 ) is formed concavely. In this way, when the second terminal 260 is normally inserted into the second terminal guide part 230, the second lower engaging guide part 262 of the second terminal 260 is positioned so as to be caught by the second locking elastic part 226. , there is an effect that the second terminal 260 is not arbitrarily removed. Also, when the second terminal 260 is coupled to the second housing 200, the second seal 270 is inserted into the second seal guide 223 to make the second terminal guide 230 watertight.

The second position guarantee unit 250 determines the position of the second terminal 260 inserted into the second terminal guide unit 230, and a space is formed therein so that the second protrusion 220 is inserted. In addition, a second locking protrusion 252 protrudes in a cantilever shape so as to be engaged with the second locking groove 228 at one side of the second position guaranteeing unit 250 facing the second blocking wall 210 . In addition, a second movement blocking part 256 is protruded from the lower side of the second position assurance part 250 facing the second locking elastic part 226 to support the lower part of the second locking elastic part 226 .

Also, second sliding guides 254 are formed to slide along the second locking guides 229 along the upper and lower longitudinal directions of the outer periphery of the second position guaranteeing unit 250 . And when the second protrusion 220 is inserted into the second position guaranteeing part 250, the second locking guides 229 formed on the upper and lower sides of the inner periphery of the second housing 200, respectively, are the second sliding guides. It slides while being coupled to (254). In this way, when the second position guaranteeing part 250 is inserted into the second housing 200, the second locking protrusion 252 engages with the second locking groove 228, together with the primary locking, the second locking guide part ( 229) and the second sliding guide part 254 are coupled to the secondary locking process, so that the second position guarantee part 250 maintains its position firmly for a long time without being randomly separated or shaken inside the second housing 200. It works.

15(a) is a longitudinal cross-sectional view showing a state in which the second locking protrusion of the second position guarantee unit is primarily coupled to the second housing into which the second terminal is inserted according to a preferred embodiment of the present invention; (b) is shown to explain the position of the second movement blocking unit in a state in which the second locking protrusion of the second position guarantee unit is primarily coupled to the second housing into which the second terminal is inserted according to a preferred embodiment of the present invention. 16(a) is a longitudinal cross-sectional view of a state in which the second locking protrusion of the second position guarantee unit is secondarily coupled to the second housing into which the second terminal is inserted according to a preferred embodiment of the present invention. 16(b) shows the location of the second movement blocking unit in a state in which the second locking protrusion of the second position guarantee unit is secondarily coupled to the second housing into which the second terminal is inserted according to a preferred embodiment of the present invention. It is a drawing shown for explanation.

15(a) and 15(b), looking at the coupling process of the second connector 2000, first, the second terminal 260 is inserted into the second terminal guide 230. At this time, while the second locking elastic part 226 moves up and down, it guides the second terminal 260 to be moved. And when the second terminal 260 is inserted into the correct position of the second terminal guide 230, the second locking elasticity is provided to the second lower engaging guide 262 concavely formed on the lower side of the second terminal 260. Portion 226 is positioned to be inserted and hooked.

Then, the second position guaranteeing part 250 is inserted into the second housing 200, and at this time, in a state where a part of the coupling guide protrusion 222 is inserted into one side of the second position guaranteeing part 250, the second The second locking protrusion 252 located on the other side of the inside of the position assurance unit 250 is elastically deformed so as to be caught on one side of the second locking groove 228, that is, in the opposite direction to the second blocking wall 210. That is, the second locking protrusion 252 of the second position assurance unit 250 is not completely engaged with the second locking groove 228, but is primarily engaged.

In this state, since the second movement blocking part 256 is positioned so as not to block the downward movement of the second locking elastic part 226, the second position guaranteeing part 250 is primarily engaged with the second housing 200. After that, the second terminal 260 may be inserted into the second terminal guide part 230.

Subsequently, referring to FIGS. 16(a) and 16(b), in a state where the second locking elastic part 226 is caught on the second lower engaging guide part 262, the second position guaranteeing part 250 When all of the coupling guide protrusions 222 are inserted into one side of the interior, the second locking protrusion 252 slides in the other direction of the second locking groove 228, that is, in a direction closer to the second blocking wall 210. , the second locking protrusion 252 is secondarily engaged with the second engaging groove 228 .

In this state, the second movement blocking portion 256 is positioned to support the lower portion of the second locking elastic portion 226 . The second movement blocking part 256 includes a support protrusion 256a protruding upward on the lower side of the second position guaranteeing part 250, and a bent in the direction of the second blocking wall 210 at the top of the support protrusion 256a. It includes a support bent portion (256b) supporting the lower portion of the second locking elastic portion 226 in the state. In addition, an insertion protrusion 212 is protruded from the lower side of the second blocking wall 210 so as to be inserted into the space between the lower side of the bent support portion 256b and the lower side of the second position guarantee unit 250 . As such, since the second movement blocking portion 256 is positioned to support the second locking elastic portion 226 and blocks downward movement of the second elastic locking portion 226, the second elastic locking portion 226 is 2 The second terminal 260 cannot be removed from the second housing 200 arbitrarily because it cannot come out of the lower hooking guide 262 . Furthermore, in the present invention, since the insertion protrusion 212 is inserted into the space between the lower side of the supporting bent portion 256b and the lower side of the second position guaranteeing portion 250, even if strong downward pressure is applied to the second locking elastic portion 226, the support Since the bent portion 256b cannot descend, the second locking elastic portion 226 has an effect of supporting the second terminal 260 more firmly.

17 is a cross-sectional view showing a state in which a second position assurance unit is inserted in a state in which the second terminal is not completely inserted into the second housing according to a preferred embodiment of the present invention.

17, if the second terminal 260 is not completely inserted into the second terminal guide part 230 of the second housing 200, the second locking elastic part 226 is the second terminal 260 cannot be inserted into the second lower engaging guide 262, interference occurs between the lower side of the second terminal 260 and the lower side of the second locking elastic part 226, so that the lower side of the second terminal 260 The second locking elastic part 226 is pressed downward.

As such, if the second terminal 260 is not completely inserted into the second housing 200, interference occurs with the second terminal 260, so the operator must properly insert the second terminal 260 into the second housing 200. There is an effect of easily recognizing a state that has not been performed.

18 is a view to explain a state in which a second terminal inserted into a second housing according to a preferred embodiment of the present invention is reworked using a jig.

Referring to FIG. 18 , a second open hole 258 is formed at an end of the second position assurance unit 250 located in the opposite direction to the second blocking wall 210 .

And in a state where the second locking elastic part 226 is caught on the second lower hooking guide part 262, in a state where the second locking protrusion 252 of the second position guaranteeing part 250 is first engaged, the second When the second terminal 260 inserted into the housing 200 needs to be reworked, the second locking elastic part 226 is lifted upward using the second jig J2. The second jig (J2) is formed elongated along the longitudinal direction, for example, and is formed sharply towards the end. And the operator inserts the second jig (J2) into the coupling guide penetration part 224 through the second open hole 258, so that the end of the second locking elastic part 226 is at the end of the second jig (J2). position to catch. In this state, the operator moves the second jig (J2) downward so that the second jig (J2) forcefully moves the second locking elastic part (226) downward. Then, the second locking elastic part 226 is moved so as not to be caught in the second lower engaging guide part 262 .

As such, the present invention can detach the second locking elastic part 226 from the second lower engaging guide part 262 using the second jig J2, so that the second terminal guide part of the second housing 200 ( 230) has an effect of easily reworking the second terminal 260 inserted into the terminal 260.

19 is a cross-sectional view showing a state in which a first connector and a second connector of a waterproof connector according to a preferred embodiment of the present invention are coupled.

5 and 19, when the first connector 1000 and the second connector 2000 are coupled, one side of the second housing 200 is between the first housing 100 and the first protrusion 120. inserted into the space of At this time, an insertion guide protrusion 259 protrudes from the end of the second position guaranteeing part 250 located in the opposite direction to the second blocking wall 210 so as to be inserted into the first position guaranteeing part 150 and the first protrusion 120. A position assurance guide 156 and a protruding insertion guide 129 are formed in the first position guarantee unit 150 and the first protrusion 120 so that the insertion guide protrusion 259 is slidably inserted. In this way, when the second housing 200 is inserted into the first housing 100, the insertion guide protrusion 259 slides while being inserted into the position assurance guide 156 and the protruding insertion guide 129, The second housing 200 is safely inserted inside the first housing 100 in a guided state. And, when the second housing 200 is inserted into the first housing 100, the second terminal 260 contacts the first housing 100 while being inserted, and the first terminal 160 and the second terminal 260 are electrically connected.

FIG. 20 is a view showing a cross section taken along line A-A' of FIG. 19 .

2, 3, 19 and 20, when the first connector 1000 and the second connector 2000 are coupled, one side of the second housing 200 is connected to the first housing 100. 1 is inserted into the space between the protrusions 120. At this time, in order to combine the first housing 100 and the second housing 200, a first engagement portion 114 is formed on the first housing 100, and a second engagement portion 114 is formed on the second housing 200. A coupling portion 214 is formed.

The first engaging portion 114 protrudes from one side of the first blocking wall 110 into the space between the first housing 100 and the first protrusion 120 in a cantilever shape and is formed to have elasticity. When one side of the second housing 200 is inserted into the space between the first housing 100 and the first protrusion 120, the second engaging portion 214 is the second housing facing the first coupling protrusion ( 200) protrudes from the other side so as to engage with the first coupling protrusion. And, when one side of the second housing 200 is inserted into the space between the first housing 100 and the first protrusion 120, the first engaging portion 114 moves up and down while the second engaging portion 214 ), and when the second housing 200 is fully inserted into the first housing 100, the first engaging portion 114 is engaged with the second engaging lower part, so that the second housing 200 It is not arbitrarily detached from the first housing 100 .

Meanwhile, when the first housing 100 and the second housing 200 are mutually coupled, the inner periphery of one side of the second housing 200 is in watertight contact with the outer periphery of the watertight portion 3000 . As such, the inner periphery of the watertight portion 3000 is in watertight contact with the outer periphery of the watertight protrusion 122 of the first housing 100, and the outer periphery of the watertight portion 3000 is the inner periphery of one side of the second housing 200. Since it is in watertight contact with the first housing 100 and the second housing 200 to be watertight, there is an effect of preventing external moisture from entering the first housing 100 and the second housing 200 there is.

The watertight portion 3000 is formed in a ring shape and is made of a material having elasticity. In addition, the flow prevention part 3100 protrudes along the outer periphery of the watertight part 3000 toward the inner circumference of the first housing 100 . The flow prevention part 3100 may protrude on both sides of the outer periphery of the watertight part 3000 . And when one side of the second housing 200 is inserted into the space between the first housing 100 and the first protrusion 120, one end of the second housing 200 blocks the flow prevention part 3100 in the first It is configured to press in the direction of the blocking wall (110).

The flow prevention part 3100 includes an inclined part 3110 protruding so as to be inclined at the outer periphery end of the watertight part 3000 facing the first blocking wall 110, and a first blocking part at the end of the inclined part 3110. It is configured to include an extension portion 3120 extending to be in contact with the wall 110 . And, when one side of the second housing 200 is inserted into the space between the first housing 100 and the first protrusion 120, one end of the second housing 200 is in contact with the inclined portion 3110. The furnace extension part 3120 is pressed toward the first blocking wall 110 so that the extension part 3120 overlaps between the first housing 100 and the second housing 200 .

Accordingly, since the extension part 3120 is physically firmly fixed between the first housing 100 and the second housing 200, for example, when strong external pressure or vibration is applied to the watertight part 3000 during driving of a vehicle, Even so, the position of the watertight part 3000 does not move arbitrarily in the forward and backward directions, so that the watertight part 3000 continuously maintains watertightness between the first housing 100 and the second housing 200.

In addition, a vertical flow prevention protrusion 112 protrudes from the first blocking wall 110 in the direction of the extension part 3120, and the end of the extension part 3120 has a concave insertion groove so that the vertical flow prevention protrusion 112 is inserted. (3130) is formed. Since the vertical flow prevention protrusion 112 is configured to be inserted into the insertion groove 3130, the extension part 3120 cannot be moved in the vertical direction, so that the position of the watertight part 3000 connected to the extension part 3120 is moved up and down. Even if external pressure or vibration is applied to the watertight part 3000 because it does not flow arbitrarily in the direction, the watertight part 3000 has the effect of continuously maintaining watertightness between the first housing 100 and the second housing 200. there is.

FIG. 21 is a view showing a cross section BB′ of FIG. 19 .

Referring to FIGS. 10 and 21 , when the first connector 1000 and the second connector 2000 are coupled, the first position guarantee unit 150 is positioned to face the inner periphery of the second housing 200 . At this time, when a gap is generated between the first position guaranteeing unit 150 and the inner periphery of the second housing 200, the first position guaranteeing unit 150 may be shaken in the vertical direction or the left and right direction.

To solve this problem, the present invention is configured such that a plurality of position fixing ribs 158 protrude along the outer periphery of the first position guarantee unit 150 . The plurality of position fixing ribs 158 are formed on all sides of the outer periphery of the first position guarantee unit 150, that is, on the upper, lower and both sides. Each position fixing rib 158 is formed in a long shape along the longitudinal direction of the first position guarantee unit 150 . And, when one side of the second housing 200 is inserted into the space between the first housing 100 and the first protrusion 120, the first position guarantee unit 150 is located on the inner periphery of the other side of the second housing 200. do. At this time, the position fixing rib 158 is configured to evenly adhere to the front of the inner periphery of the other side of the second housing 200, so that a gap occurs between the first position guarantee unit 150 and the inner periphery of the second housing 200. don't let it be

As described above, since the positioning ribs 158 of the present invention are configured to evenly adhere to the inner periphery of the second housing 200 in all directions, a gap occurs between the first position guarantee unit 150 and the inner periphery of the second housing 200. Therefore, the position movement of the first position guarantee unit 150 is restricted so that it does not flow in the vertical direction or the left and right directions, and accordingly, the vertical and horizontal movements between the first connector 1000 and the second connector 2000 are minimized, Contact reliability between the first terminal 160 and the second terminal 260 is improved.

Although the present invention has been described in detail in the above embodiments, it is obvious that the present invention is not limited thereto, and various changes and modifications are possible within the scope of the technical idea of the present invention. If it falls within the scope of the claims, the technical idea should also be regarded as belonging to the present invention.

1000: first connector
100: first housing 110: first blocking wall
112: up and down flow prevention protrusion 114: first engaging part
120: first protrusion 122: watertight protrusion
123: first seal guide part 124: extension protrusion part
124a: first locking guide 125: upper protrusion
125a: locking guide hole 126: lower protrusion
126a: first open hole 127: first locking groove
127a: upper catching groove 127b: lower catching groove
128: first locking elastic part 129: protruding insertion guide part
130: first terminal guide 132: first guide
134: second guidance unit 150: first position assurance unit
152: first locking protrusion 154: first sliding guide
156: position guarantee guide unit 158: position fixing rib
159: first movement blocking unit 160: first terminal
162: first lower engaging guide 164: upper engaging guide
170: first seal J1: first jig
2000: second connector
200: second housing 210: second barrier
212: insertion protrusion 214: second engaging portion
220: second protrusion 222: coupling guide protrusion
223: second seal guide part 224: coupling guide penetration part
226: second locking elastic part 228: second locking groove
229: second locking guide 230: second terminal guide
250: second position assurance part 252: second locking protrusion
254: second sliding guide part 256: second movement blocking part
256a: support protrusion 256b: support bend
258: second open hole 259: insertion guide protrusion
260: second terminal 262: second lower engaging guide
270: second seal J2: second jig
3000: watertight part
3100: anti-flow part 3110: inclined part
3120: extension part 3130: insertion groove

Claims (17)

A first housing having an empty space formed therein, a first blocking wall blocking the open side of the first housing, and a first protruding from one side of the first blocking wall toward the other open side of the first housing. a first connector having a first protrusion and a first terminal guide formed along the inside of the first protrusion;
A second housing inserted into the space between the first housing and the first protrusion and having an empty space formed therein so that the first protrusion is received through one open side, and connected to the other closed side of the second housing a second connector having a second terminal guide; and
A watertight portion formed to surround an outer periphery of one side of the first protrusion,
When one side of the second housing is inserted into the space between the first housing and the first protrusion, an inner periphery of one side of the second housing is in watertight contact with an outer periphery of the watertight portion.
According to claim 1,
The anti-flow portion protrudes in the direction of the inner circumference of the first housing along the outer circumference of the sealing watertight portion,
When one side of the second housing is inserted into the space between the first housing and the first protrusion, one end of the second housing is configured to press the flow prevention unit toward the first blocking wall. waterproof connector.
According to claim 2,
The flow prevention part includes an inclined part protruding so as to be inclined at an outer circumferential end of the watertight part facing the first blocking wall, and an extension part extending to contact the first blocking wall at the end of the inclined part,
One end of the second housing presses the extension toward the first blocking wall in a state of being in contact with the inclined portion so that one end of the second housing and the extension overlap each other.
According to claim 3,
A vertical flow prevention protrusion is formed protruding from the first blocking wall in the direction of the extension,
A waterproof connector, characterized in that a concave insertion groove is formed at the end of the extension portion so that the vertical flow prevention protrusion is inserted.
According to claim 1,
A first engaging portion protruding from one side of the first blocking wall into a space between the first housing and the first protruding portion and having elasticity;
When one side of the second housing is inserted into the space between the first housing and the first protrusion, the other side of the second housing opposite to the first coupling protrusion is formed to be engaged with the first coupling protrusion A waterproof connector further comprising a second engagement portion.
According to claim 1,
One longitudinal side of the first protrusion is connected to the first blocking wall, and a first locking groove is formed on the other longitudinal side of the first protrusion,
A space is formed therein so that the other side of the first protrusion is inserted, and a first position guarantee unit for determining the position of the first terminal inserted into the first terminal guide unit is further included,
A waterproof connector, characterized in that a first locking protrusion protrudes from an end of the first position assurance part facing the first blocking wall so as to be engaged with the first locking groove.
According to claim 6,
The first protrusion includes a watertight protrusion connected to the first blocking wall and an extension protrusion extending away from the first blocking wall outside the watertight protrusion,
The first locking groove is formed on one side of the extended protrusion connected to the watertight protrusion, and the watertight portion is mounted on the watertight protrusion,
First locking guides are formed along the upper and lower longitudinal directions of the outer circumference of the extended protrusion, respectively,
A waterproof connector, characterized in that first sliding guides are formed on the upper and lower sides of the inner periphery of the first position guaranteeing part so as to slide along the first locking guide.
According to claim 6,
The first protrusion may include a watertight protrusion connected to the first blocking wall and having the watertight portion coupled to an outer periphery, an upper protrusion extending away from the first blocking wall at an outer upper side of the watertight protrusion, and the watertight protrusion. A lower protrusion extending away from the first blocking wall at the outer lower side of the protrusion, a locking guide hole formed along the lower longitudinal direction of the upper protrusion to communicate with the lower protrusion, and an upper portion of the lower protrusion. A first locking elastic part protruding in the direction of the locking guide hole and having elasticity,
The first locking groove is formed on one side of the upper protrusion connected to the upper side of the watertight protrusion and on one side of the lower protrusion connected to the lower side of the watertight protrusion, respectively.
The first terminal guide part includes a first guide part formed through the upper side of the watertight protrusion, and a second guide part communicated with the first guide part and formed through the upper protrusion,
When the first terminal passes through the first guide and is inserted into the second guide, the first locking elastic part guides the first terminal to be moved while moving up and down,
When the first terminal is inserted into the second guide part, a first lower engaging guide part is formed below the first terminal so that the first locking elastic part is inserted and caught.
When the upper protrusion and the lower protrusion are inserted into the first position guaranteeing part in a state where the first locking elastic part is caught on the first lower engaging guide, the first locking elastic part and the first locking elastic part are inside the first position guaranteeing part. A waterproof connector, characterized in that the first movement blocking portion is formed to be inserted into the space between the lower inner periphery of the lower protrusion.
According to claim 8,
The first catching groove includes an upper catching groove formed on one side of the upper protrusion connected to the upper side of the watertight protrusion and a lower catching groove formed on one side of the lower protrusion connected to the lower side of the watertight protrusion, The upper locking groove is formed to penetrate in the direction of the second guide,
When the upper protrusion and the lower protrusion are inserted into the first position guarantee unit, and the first locking protrusion is inserted into the upper and lower locking grooves, respectively, the upper side of the first terminal passes through the upper locking groove. A waterproof connector, characterized in that an upper engaging guide portion is formed so that the first locking protrusion is inserted and caught.
According to claim 8,
A first open hole is formed at an end of the lower protrusion before the upper protrusion and the lower protrusion are inserted into the first position guarantee unit in a state in which the first locking elastic part is engaged with the first lower engagement guide,
In a state in which the end of the first locking elastic part is caught on the first jig inserted into the lower protrusion through the first opening hole, the first locking elastic part is moved downward to the first lower part by the first jig. A waterproof connector characterized in that it is moved so as not to be caught in the catching guide.
According to claim 1,
A second blocking wall positioned on the other closed side of the second housing and a second protrusion protruding from one side of the second blocking wall toward the open side of the second housing,
The second terminal guide is formed along the inside of the second protrusion,
One longitudinal side of the second protrusion is connected to the second blocking wall, and a second locking groove is formed on the other longitudinal side of the second protrusion,
A space is formed therein so that the second protrusion is inserted, and a second position guarantee unit for determining the position of the second terminal inserted into the second terminal guide unit is further included,
A waterproof connector, characterized in that a second locking protrusion protrudes from one side of the second position assurance part facing the second blocking wall so as to be engaged with the second locking groove.
According to claim 11,
Second locking guides are formed along the upper and lower longitudinal directions of the inner circumference of the second housing, respectively,
A waterproof connector, characterized in that the second sliding guide portion is formed to slide along the second locking guide portion along the upper and lower longitudinal directions of the outer periphery of the second position guarantee unit.
According to claim 11,
The second protrusion has one side connected to one side of the second blocking wall and the other side extending away from the second blocking wall, and a coupling in which the second terminal guide portion is formed so that the second terminal is inserted therein. A guide protrusion and a coupling guide penetrating portion formed along the longitudinal lower side of the coupling guide protrusion to open the lower side in the longitudinal direction of the coupling guide protrusion, and a lower direction of the coupling guide penetrating portion at the other side of the second blocking wall It protrudes and includes a second locking elastic part having elasticity,
The second locking groove is formed along one longitudinal direction of the coupling guide protrusion that does not face the second locking elastic portion,
When the second terminal is inserted into the second terminal guide part, the second locking elastic part moves up and down to guide the second terminal to be moved, and when the second terminal is inserted into the second terminal guide part, A second lower engaging guide portion is formed on the lower side of the second terminal so that the second locking elastic portion is inserted and caught,
The second locking protrusion is formed in a cantilever shape so that the second locking protrusion is caught on one side of the second locking groove on the other side of the second position guarantee unit in a state where a part of the coupling guide protrusion is inserted into one inner side of the second position guarantee unit. become,
In a state in which the second locking elastic part is caught on the second lower locking guide, when all of the coupling guide protrusions are inserted into one side of the second position guaranteeing part, the second locking protrusion is positioned on the other side of the second locking groove. waterproof connector, characterized in that a second movement blocking portion is formed on the lower side of the second position guaranteeing portion facing the second locking elastic portion to support the lower portion of the second locking elastic portion.
According to claim 13,
The second movement blocking part supports a support protrusion protruding upward from the lower side of the second position guarantee unit, and a lower portion of the second locking elastic part in a bent state in the direction of the second blocking wall at an upper end of the support protrusion. Including a support bend,
A waterproof connector, characterized in that an insertion protrusion is protrudingly formed on the lower side of the second blocking wall to be inserted into the space between the bent support portion and the lower side of the second position guaranteeing portion.
According to claim 13,
The second position guaranteeing part positioned in the opposite direction to the second blocking wall in a state where the second locking elastic part is engaged with the second lower engaging guide part and the coupling guide protrusion is partially inserted into the second position guaranteeing part. A second open hole is formed at the end,
In a state in which the end of the second locking elastic part is caught in the second jig inserted into the coupling guide penetrating part through the second opening hole, the second locking elastic part is caught in the second lower part by the downward movement of the second jig. A waterproof connector characterized in that it is moved so as not to be caught in the guide.
According to claim 1,
A first position assurance unit having a space formed therein so that the other side of the first protrusion is inserted, and determining a position of a first terminal inserted into the first terminal guide unit;
A second protrusion protruding from the other closed side of the second housing toward the open side of the second housing and having the second terminal guide portion formed therein;
A space is formed therein so that the other side of the second protrusion is inserted, and a second position guarantee unit for determining the position of the second terminal inserted into the second terminal guide unit is further included,
When one side of the second housing is inserted into the space between the first housing and the first protrusion, an insertion guide protrusion is protruded from the second position guarantee unit to be inserted into the first position guarantee unit and the first protrusion. , A waterproof connector, characterized in that a position assurance guide portion and a protruding insertion guide portion are respectively formed on the first position guarantee portion and the first projection portion so that the insertion guide projection is slidably inserted.
According to claim 1,
A first position assurance unit having a space formed therein so that the other side of the first protrusion is inserted, and determining a position of a first terminal inserted into the first terminal guide unit;
Further comprising a plurality of position fixing ribs protruding along the outer periphery of the first position guarantee unit,
When one side of the second housing is inserted into the space between the first housing and the first protrusion, the first position guarantee unit is positioned on the inner periphery of the other side of the second housing, and the position fixing rib is positioned on the second housing. A waterproof connector, characterized in that it is in close contact with the inner periphery of the other side, and the movement of the first position guarantee unit is restricted.

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