JP7430438B1 - Waterproof structure with rotation lock, hook-type waterproof cord connector body, hook-type waterproof plug, hook-type waterproof panel outlet, hook-type waterproof flange inlet, waterproof cover, hook-type waterproof panel outlet adapter, and hook-type waterproof flange inlet adapter - Google Patents

Abstract

An object of the present invention is to provide a waterproof structure with a rotation lock that can reduce manufacturing costs and is highly convenient. [Solution] A waterproof structure 1 with a rotation lock is attached to hook-type connector bodies 11 and 21 so as to individually cover the parts other than the connecting ends, and includes housings 13 and 23 that can be fitted to each other, and includes housings 13 and 23 that can be fitted together. A seesaw-type clip 16 is attached to the housing 23 with the distal end 161 facing upward, and the housing 23 has a guide slope 25 that is opened by smoothly pushing up the distal end 161 of the clip 16, and a guide slope 25 adjacent to the guide slope 25. A clip receiver 26 is provided to prevent the hook type connector bodies 11, 21 from rotating back unless the tip side 161 of the clip 16 is opened. [Selection diagram] Figure 1

Description

The present invention relates to a waterproof structure with a rotation lock attached to a pair of hook-type connector bodies for connecting covered electric wires such as AC power wires, a hook-type waterproof cord connector body, a hook-type waterproof plug, a hook-type waterproof panel outlet, and a hook-type waterproof cord connector body. This invention relates to a waterproof flange inlet, a waterproof cover, an adapter for a hook-type waterproof panel outlet, and an adapter for a hook-type waterproof flange inlet. Note that the term "covered electric wire" as used herein includes, for example, electric wire cords, electric wire cables, etc. in which electric wires having a stranded wire structure are coated with insulation.

As hook-type/waterproof connectors for connecting coated wires such as AC power wires, hook-type waterproof cord connector bodies, hook-type waterproof plugs, etc. that comply with JIS standards and U.S. NEMA standards are known (Patent Document 1). , Non-Patent Document 1, etc.). For example, the user inserts the key-shaped plug blade of the hook-type waterproof plug held in the right hand into the blade receiving hole of the hook-type waterproof cord connector body held in the left hand, and then inserts the hook-type waterproof cord connector body and the hook-type waterproof plug in the right hand. By rotating the plug by a predetermined angle, the key-shaped plug blade is locked to the blade holder at the back of the blade holder hole, preventing the plug from coming off, and providing waterproof performance (and dust resistance). In addition, hook-type waterproof connectors are also known, such as a hook-type waterproof panel outlet that can be connected to a hook-type waterproof plug, and a hook-type waterproof flange inlet that can be connected to a hook-type waterproof cord connector body. These hook type/waterproof connectors use rubber covers, metal plates, metal covers, etc. for waterproofing (and dustproofing).

Japanese Patent Application Publication No. 2001-210426

Product information "Waterproof Connector Series", American Denki Co., Ltd., [Searched on September 27, 2020], Internet <URL: https://www.americandenki.co.jp/products/c0wpdv/>

However, because conventional hook-type/waterproof connectors require rubber covers, metal plates, metal covers, etc., manufacturing costs are lower than hook-type connectors that do not have waterproof (and dust-proof) performance. Difficult to contain. In addition, conventional hook-type and waterproof connectors generally fail to connect electrically under severe usage conditions where the possibility of rotation returning due to twisting of the covered wire cannot be completely eliminated. It was necessary to either allow it to stabilize or take additional measures to prevent it from rotating back.

Therefore, the present invention has been made in view of these problems, and provides a highly convenient waterproof structure with a rotating lock that can reduce manufacturing costs, and a highly compatible hook-type waterproof cord that is compatible with the waterproof structure. Provides a connector body, a hook-type waterproof plug, a hook-type waterproof panel outlet, a hook-type waterproof flange inlet, a highly convenient waterproof cover suitable for the same, an adapter for a hook-type waterproof panel outlet, and an adapter for a hook-type waterproof flange inlet. The purpose is to

In order to solve the above problems, the waterproof structure with a rotation lock according to the present invention is installed so as to individually cover the parts other than the connecting ends of a pair of hook-type connector bodies that connect covered electric wires, and can be fitted together. A seesaw-type clip is attached to the first housing and has a distal end facing toward the second housing. A guide slope is provided at a position adjacent to the guide slope in the circumferential direction, and a guide slope is provided at a position adjacent to the guide slope in the circumferential direction. For this purpose, a clip receiver is provided to lock the tip side of the clip that has slipped sideways on the guide slope when the pair of hook-type connector bodies are rotated, and the tip side of the clip of the first housing is The present invention is characterized in that the pair of hook-type connector bodies do not rotate back unless they are opened.

In order to solve the above problems, the waterproof structure with a rotation lock according to the present invention may include a waterproof packing disposed at a fitting portion between the first housing and the second housing.

In order to solve the above problems, in the waterproof structure with rotation lock according to the present invention, the first housing includes a pair of partition walls that are erected to support the rotation shaft of the clip, and a pair of partition walls that are erected to support the rotation shaft of the clip. A through-hole is provided coaxially on the base end side of the clip of the partition wall, and when a binding band is spanned between the through-holes of the pair of partition walls, the base end side of the clip is prevented from being pushed down. You may also do so.

In order to solve the above problems, a hook-type waterproof cord connector body according to the present invention includes a hook-type cord connector body body as the hook-type connector body, and a waterproof structure with a rotation lock according to the present invention. and a housing.

In order to solve the above problems, in the hook type waterproof cord connector body according to the present invention, a grip for holding the covered electric wire is provided on the opposite end side of the first housing, and a grip for holding the covered electric wire is provided. A waterproof bushing may be placed in the gap.

In order to solve the above problems, a hook-type waterproof plug according to the present invention includes a hook-type plug body as the hook-type connector body, and the second housing having a waterproof structure with a rotary lock according to the present invention. It is characterized by having the following.

In order to solve the above problems, in the hook-type waterproof plug according to the present invention, a grip for holding the covered electric wire is provided on the opposite end side of the second housing, and a gap around the covered electric wire is provided. A waterproof bushing may be placed in the.

In order to solve the above problems, a hook-type waterproof panel outlet according to the present invention includes a hook-type panel outlet body as the hook-type connector body, and a waterproof structure with a rotation lock according to the present invention. A housing.

In order to solve the above problems, the hook type waterproof panel outlet according to the present invention is provided with a hinge type waterproof cover that can be fitted to the connection end side of the first housing, and the hinge type waterproof cover has the first housing. A clip receiver that can be locked to the clip of the housing may be provided.

In order to solve the above problems, in the hook-type waterproof panel outlet according to the present invention, a curved handle is provided on the tip side of the clip, and the clip is inserted into the connection end of the hook-type waterproof panel outlet. The user may be able to open the clip with the back of the thumb of the user's hand while holding the hook-type waterproof plug in the user's hand.

In order to solve the above problems, a hook-type waterproof flange inlet according to the present invention includes a hook-type flange inlet body as the hook-type connector body, and a second waterproof structure with a rotary lock according to the present invention. A housing.

In order to solve the above problems, the hook-type waterproof flange inlet according to the present invention is provided with a hinge type waterproof cover that can be fitted to the connection end side of the second housing, and the hinge type waterproof cover has the second housing. A clip that can be locked to the clip receiver of the housing may be provided.

In order to solve the above problems, the waterproof cover according to the present invention is a waterproof cover that can be fitted to the connection end side of the first housing of the hook type waterproof cord connector body according to the present invention, and The present invention is characterized in that a clip receiver capable of locking the clip of one housing is provided.

In order to solve the above problems, the waterproof cover according to the present invention is a waterproof cover that can be fitted to the connection end side of the second housing of the hook-type waterproof plug according to the present invention, and which It is characterized in that a clip that can be locked to the clip receiver of the housing is provided.

In order to solve the above problems, an adapter for a hook type waterproof panel outlet according to the present invention is an adapter disposed between a hook type waterproof panel outlet according to the present invention and a mounting surface, and the adapter is arranged between the first hook type waterproof panel outlet according to the present invention and the mounting surface. It is characterized by having an opening that can be fitted to the outer periphery of the housing. The "mounting surface" here refers to the surface on which the hook-type/waterproof connector is attached, and includes not only walls but also flat surfaces (panels) provided on equipment, etc. It will be done.

In order to solve the above problems, an adapter for a hook-type waterproof flange inlet according to the present invention is an adapter disposed between a hook-type waterproof flange inlet according to the present invention and a mounting surface, and the adapter is arranged between the first hook-type waterproof flange inlet according to the present invention and a mounting surface, An adapter for a hook-type waterproof flange inlet, characterized by having an opening that can be fitted to the outer periphery of a housing.

The waterproof structure with a rotation lock according to the present invention includes a pair of housings that are attached to separately cover the parts other than the connecting ends of a pair of hook-type connector bodies, and these pair of housings are equipped with a rotation lock function. Therefore, it is possible to add both waterproof performance (and dustproof performance) and rotation lock function to the pair of hook-type connector bodies. Therefore, since the (existing) hook-type connector body can be used as is, the manufacturing cost of the hook-type/waterproof connector can be kept low.
Moreover, when connecting a pair of hook-type connector bodies with housings, the user grasps one housing with his/her hand and fits it into the other housing in an appropriate posture, and the surface of the guide slope Since the clip is opened while sliding, the other key-shaped plug blade can be smoothly inserted into the blade receiving hole of one of the pair of hook-type connector bodies.
After that, when the user relatively rotates the pair of housings in a predetermined direction, the tip side of the clip slides sideways on the guide slope and comes off the guide slope, so the clip closes and moves into the clip receiver adjacent to the guide slope. It locks with a "click" sound. Therefore, the user can obtain the waterproof performance (and dustproof performance) and rotation locking function by fitting the pair of housings by the same operation as when connecting the main bodies of the hook type connectors.
When disconnecting the pair of hook-type connector bodies, the user presses down the base end of the clip with his/her hand and relatively rotates the pair of housings in the opposite direction to the predetermined direction. Then, the tip of the clip rides on the guide slope, so simply by separating the pair of housings, the tip of the clip slides down the surface of the guide slope, and the connection between the pair of hook-type connector bodies is smoothly released. . Therefore, the user can disconnect the pair of housings simply by performing the same operations (rotating and pulling out) as when disconnecting the pair of hook-type connector bodies, and adding the operation of pressing down on the clip. .
As a result of the above, the waterproof structure with a rotation lock according to the present invention can reduce the manufacturing cost of a hook-type waterproof connector, and has the advantage of being highly convenient.

Furthermore, the hook-type waterproof cord connector body, hook-type waterproof plug, hook-type waterproof panel outlet, and hook-type waterproof flange inlet according to the present invention have a structure that is compatible with the waterproof structure with rotation lock according to the present invention. Therefore, the effect of high compatibility is achieved.
In addition, the waterproof cover, hook-type waterproof panel outlet adapter, and hook-type waterproof flange inlet adapter according to the present invention also have a structure that is compatible with the waterproof structure with rotation lock according to the present invention, so they are convenient. It has the effect of having a high

FIG. 1 is a perspective view of a hook-type waterproof cord connector body and a hook-type waterproof plug provided with a waterproof structure with a rotation lock according to the present embodiment. FIG. 2 is a plan view of the hook-type waterproof cord connector body and the hook-type waterproof plug. FIG. 3 is a schematic cross-sectional view of the hook-type waterproof cord connector body and the hook-type waterproof plug. FIG. 4 is a perspective view of the hook-type waterproof panel outlet according to the present embodiment. (1) shows a state in which the waterproof cover is closed, and (2) shows a state in which the waterproof cover is opened. FIG. 5 is a perspective view of the hook-type waterproof flange inlet according to this embodiment. (1) shows a state in which the waterproof cover is closed, and (2) shows a state in which the waterproof cover is opened. FIG. 6 is an explanatory diagram illustrating a waterproof cover for a hook type waterproof cord connector body according to the present embodiment. (1) shows the state before the waterproof cover is attached, and (2) shows the state after the waterproof cover is attached. FIG. 7 is an explanatory diagram illustrating a waterproof cover for a hook-type waterproof plug according to the present embodiment. (1) shows the state before the waterproof cover is attached, and (2) shows the state after the waterproof cover is attached. FIG. 8 is an explanatory diagram illustrating a hook-type waterproof panel outlet adapter. (1) shows the state before the hook-type waterproof panel outlet is installed, and (2) shows the state after the hook-type waterproof panel outlet is installed.

1. Overview of the Click Lock series The following is a waterproof structure with a rotating lock according to this embodiment, a hook-type waterproof connector using the same (a hook-type waterproof cord connector body, a hook-type waterproof plug, a hook-type waterproof panel outlet, A detailed explanation of the accessories (waterproof covers, adapters for hook-type waterproof panel outlets, adapters for hook-type waterproof flange inlets) that are compatible with these hook-type and waterproof connectors, with reference to drawings. do.
Waterproof structure 1 with rotation lock shown in FIGS. 1 to 3, hook type waterproof cord connector body 10 shown in FIGS. 1 to 3, hook type waterproof plug 20 shown in FIGS. 1 to 3, hook type waterproof panel shown in FIG. 4 The outlet 30 and the hook-type waterproof flange inlet 40 shown in FIG. 5 are used for coated wires (wire cords, wire cables, etc.) with high capacity ratings such as 60A or 100A, as well as ratings based on JIS standards and American NEMA standards, for example. The hook-type waterproof series (hereinafter referred to as the "click-lock series") includes a waterproof cover 50 shown in FIG. 6, a waterproof cover 60 shown in FIG. 7, a hook-type waterproof panel outlet adapter 70 shown in FIG. The hook-type waterproof flange inlet adapter (not shown) is an accessory for the Click-Lock series.
A hook type waterproof connector with a blade hole type that belongs to the Click Lock series (either the hook type waterproof cord connector body 10 or the hook type waterproof panel outlet 30) and a plug blade type hook type waterproof connector ( (either the hook-type waterproof plug 20 or the hook-type waterproof flange inlet 40) can be connected to each other, and are locked with a "click" sound (rotation lock) by rotation for connection. It has become. In addition, the accessories of the Click-to-Lock series (waterproof cover 50, waterproof cover 60, hook-type waterproof panel outlet adapter 70, and hook-type waterproof flange inlet adapter described later) are of the blade hole type or It can be used for plug blade type hook type and waterproof connectors.
Each of the hook-type and waterproof connectors belonging to the Click-Lock series basically has a hook-type connector body that complies with standards such as the JIS standard or the U.S. NEMA standard, and a waterproof structure with a rotation lock. By attaching the housing, it exhibits both waterproof performance (and dustproof performance) that satisfies the outer protection class IP65 and a rotation lock function.
As the main material for this housing, synthetic resin such as polycarbonate resin can be used, and resin molding using a mold is generally used to manufacture it, but other materials such as It is also possible to employ a 3D printer.
Therefore, the hook-type waterproof connector belonging to the click-lock series does not require a rubber cover, metal plate, metal cover, etc., and has the advantage of low manufacturing costs.
Below, the hook type/waterproof type connector belonging to the Click and Lock series and the accessories of the Click and Lock series will be explained in detail.

1-1. Waterproof structure with rotation lock Below, as an example of the waterproof structure with rotation lock related to the click lock series of this embodiment, the waterproof mechanism with rotation lock attached to the hook-type cord connector body body and the hook-type plug body will be described. explain. It should be noted that other waterproof mechanisms with rotation locks attached to the hook-type connector bodies, which will be described later, also have basically the same function.
FIG. 1 is a perspective view of a hook-type waterproof cord connector body and hook-type waterproof plug equipped with a waterproof structure with rotation lock according to the present embodiment, and FIG. 2 is a plan view of the hook-type waterproof cord connector body and hook-type waterproof plug. 3 is a schematic sectional view of a hook-type waterproof cord connector body and a hook-type waterproof plug.
As shown in FIGS. 1, 2, and 3, the waterproof structure 1 with rotation lock of the present embodiment is installed so as to individually cover the hook-type cord connector body 11 and the hook-type plug body 21 other than the connecting ends. The housing includes a first housing 13 and a second housing 23 that can be fitted into each other. The material of these first housing 13 and second housing 23 is, for example, synthetic resin such as polycarbonate resin.
The first housing 13 includes a flange 14 made of the same material, which is joined by adhesive or welding, for example, near the connecting end, and a seesaw-type clip 16 attached to the flange 14. The seesaw-type clip 16 includes a distal end 161 with a barb that can be engaged with a clip receiver 25 (described later), a proximal end 162 serving as an operating lever, and a distal end 162 provided between the distal end 161 and the proximal end 162. A rotating shaft 164 , a pair of partition walls 17 , 17 that are erected to sandwich the base end side 162 of the clip 16 and pivotally support the rotating shaft 164 , and a pair of partition walls 17 , 17 that are wrapped around the rotating shaft 164 . and a torsion spring 163. The material of the clip 16 is, for example, synthetic resin such as polycarbonate resin, and the material of the rotating shaft 164 and torsion spring 163 is, for example, metal such as stainless steel.
The clip 16 of the first housing 13 is attached to the outer periphery of the flange 14 in such a position that the distal end side 161 faces the second housing 23 side, and the circumferential width of the proximal end side 162 of the clip 16 is set by the user. The size is large enough to make it easy to press down with your thumb.
The second housing 23 has a flange 24 made of the same material joined by adhesive or welding, for example, near the connecting end, a guide slope 25 provided at a predetermined position on the outer periphery of the flange 24, and a guide slope 25 on the outer periphery of the flange 24. A concave clip receiver 26 is provided at a position adjacent to the first housing 25 in the circumferential direction, and a waterproof packing 241 having, for example, a valve structure is provided for sealing at the fitting portion with the first housing 13. The material of the waterproof packing 241 is, for example, chloroprene rubber, soft elastomer, or the like.
Note that the flange 24 provided on the second housing 23 has a shape that can be fitted into the flange 14 provided on the first housing 13.
Furthermore, for example, a triangular mark 161M and a triangular mark 25M are attached to the distal end side 161 of the clip 16 and the guide slope 25, respectively, in order to facilitate mutual alignment.
In addition, the surface of the waterproof packing 241 disposed on the side of the second housing 23 is coated with fluororesin to improve sliding properties, considering that the rotation operation during connection will be repeated. may be applied.

1-2. Operation of Waterproof Structure with Rotation Lock Below, the operation of the waterproof structure 1 with rotation lock according to the click lock series of this embodiment will be explained.
For example, the user holds the first housing 13 with his right hand, and also holds the first housing 24, and holds the first housing 13 in a posture such that the alignment marks 161M and 25M (FIG. 2) face each other. By fitting the flange 14 and the flange 24 of the second housing 23 close to each other, the key-shaped plug blade 22 of the hook-type plug body 21 is inserted into the blade receiving hole 12, 12, 12 of the hook-type cord connector body 11. , 22, 22 can be inserted.
During this insertion, the guide slope 25 of the second housing 23 smoothly pushes up the tip end 161 of the clip 16 of the first housing 13 to open it, so the clip 16 does not become an obstacle to insertion. The insertion is smooth.
After that, when the user relatively rotates the first housing 13 and the second housing 23 clockwise (in the direction of tightening the right screws) for connection, the blades are inserted into the backs of the blade receiving holes 12, 12, 12. The key-shaped plug blades 22, 22, 22 are locked to the blade holder. During this rotation, the tip side 161 of the clip 16 of the first housing 13 slides sideways on the guide slope 25 of the second housing 23 and then comes off the guide slope 25, so that it is adjacent to the guide slope 25. The distal end 161 is dropped into the clip receiver 26, and is locked with a "click" sound. As a result, the hook-type plug body 21 and the hook-type cord connector body 11 are rotationally locked.
When rotationally locked in this manner, the distal end 161 of the clip 16 of the first housing 13 is not unlocked from the clip receiver 26 unless the distal end 161 of the clip 16 is opened, so the hook type cord connector body The main body 11 and the hook-type plug main body 21 do not rotate back. This maintains the rotation lock.
When disconnecting the hook-type plug main body 21 and the hook-type cord connector body main body 11, the user presses down the base end side 162 of the clip 16 with the pad of his right thumb, and The second housing 14 is relatively rotated counterclockwise (in the direction of loosening the right screw). Due to this rotation, the distal end side 161 of the clip 16 of the first housing 13 rides on the guide slope 25 of the second housing 23.
Thereafter, the user can simply move the first housing 13 and the second housing 23 apart from each other without pressing down the base end side 162 of the clip 16 with a finger, and the distal end side 161 of the clip 16 can be moved to the surface of the guide slope 25. , so that the connection of the hook-type plug body 21 to the hook-type cord connector body body 11 is smoothly released.

1-3. Double Lock Structure The double lock structure of the waterproof structure with rotation lock of this embodiment will be described below.
As shown in FIG. 2, in the waterproof structure 1 with rotation lock of this embodiment, through holes 171, 171 are coaxially provided in the pair of partition walls 17, 17. When a binding band is placed between them, the base end side 162 of the clip 16 is prevented from being pushed down.
For example, the user passes the strap of a 2.5 mm x 1 mm cable tie through the through holes 171, 171, passes the tail through the head of the cable tie, and pulls the tail to tighten the cable tie. Can be fixed.
After that, unless the binding band is cut, the binding band spanned between the through holes 171, 171 will not loosen, so that the base end side 162 of the clip 16 will be prevented from being pushed down. As a result, the rotation lock of the waterproof structure 1 with a rotation lock is double locked.

1-4. Hook-type Waterproof Cord Connector Body The unique structure of the hook-type waterproof cord connector body 10 belonging to the click-lock series of this embodiment will be described below with reference to FIGS. 1 to 3.
The hook-type waterproof cord connector body 10 according to the present embodiment includes a hook-type cord connector body main body 11 and the above-described first housing 13, as shown in FIG.
A plurality of screw receivers 131 are provided in the shape of a rib near the opposite end of the inner wall of the first housing 13, coaxially with the plurality of screw receivers provided in advance on the hook type cord connector body main body 11. When the hook type cord connector body main body 11 is inserted into the first housing 13 and the mounting screws 132 (FIG. 3) are inserted into each of these screw receivers and tightened, the hook type cord connector body 11 is inserted into the first housing 13. The cord connector body main body 11 can be attached.
Furthermore, a pair of grips 19, 19 are attached to the opposite end of the first housing 13 for holding a covered electric wire (not shown) extending from the opposite end of the hook type cord connector body 11. ing. The pair of grips 19, 19 are provided with screw receivers 193, 193 for fixing the pair of grips 19, 19 to each other, and when the grip screws 192, 192 are inserted into the screw receivers 193, 193 and tightened. , the covered electric wire can be firmly held between the pair of grips 19, 19.
In addition, in the first housing 13, a waterproof bushing 191 having a valve membrane structure, for example, is arranged for sealing near the attachment points of the pair of grips 19, 19, and fills the gap around the covered electric wire. This prevents flooding. The material of the waterproof bushing 191 is, for example, chloroprene rubber, soft elastomer, or the like.

1-5. Hook Type Waterproof Plug Hereinafter, the unique structure of the hook type waterproof plug 20 belonging to the click-lock series of this embodiment will be explained with reference to FIGS. 1 to 3.
The hook-type waterproof plug 20 according to the present embodiment includes a hook-type plug main body 21 and the second housing 23 described above, as shown in FIG.
A plurality of screw receivers 231 are provided in the shape of a rib on the inner wall of the second housing 23 near the opposite end thereof, coaxially with the plurality of screw receivers provided in advance on the hook-type plug body 21 . When the hook-type plug body 21 is inserted into the second housing 23 and the mounting screws 232 (FIG. 3) are inserted into each of these screw receivers and tightened, the hook-type plug body 21 is inserted into the second housing 23. 21 can be installed.
Furthermore, a pair of grips 29, 29 are attached to the opposite end of the second housing 23 for holding a covered electric wire (not shown) extending from the opposite end of the hook type plug body 21. . The pair of grips 29, 29 are provided with screw receivers 293, 293 for fixing the pair of grips 29, 29 to each other, and when the grip screws 292, 292 are inserted into the screw receivers 293, 293 and tightened. , the covered electric wire can be firmly held between the pair of grips 29, 29.
In addition, in the second housing 23, a waterproof bushing 291 having a valve membrane structure, for example, is arranged for sealing near the attachment points of the pair of grips 29, 29, and fills the gap around the covered electric wire. This prevents flooding. The material of the waterproof bushing 291 is chloroprene rubber, soft elastomer, or the like.

1-6. Hook-type waterproof panel outlet The structure of the hook-type waterproof panel outlet 30 belonging to the click-lock series of this embodiment will be described below with reference to FIG.
FIG. 4 is a perspective view of the hook-type waterproof panel outlet according to the present embodiment. As shown in FIG. 4, the hook-type waterproof panel outlet 30 according to the present embodiment includes a hook-type panel outlet main body 31 and a first housing 33 attached to cover the hook-type panel outlet main body 31 except for the connecting end. Equipped with. The material of this first housing 33 is, for example, synthetic resin such as polycarbonate resin.
The first housing 33 has the same function as the first housing 13 described above, and includes a flange 34 made of the same material that is joined by adhesive or welding, for example, near the connection end, and a flange 34 provided on the upper side of the flange 34. and a clip 36. This clip 36 has the same function as the clip 16 described above.
Therefore, the hook-type waterproof panel outlet 30 according to the present embodiment can exhibit the same function as the above-described waterproof structure 1 with a rotation lock when combined with the above-described hook-type waterproof plug 20.
The first housing 33 also includes a base 341 that is substantially rectangular in plan view provided around the first housing 33, and a hinge 391 attached to the lower side of the flange 34, as a structure unique to the panel outlet. A round lid-shaped hinge type waterproof cover 39 made of polycarbonate resin, for example, which is attached to the flange 34 via a hinge 391 and can be fitted to the connection end side of the first housing 33; A waterproof packing 393 having a valve structure, for example, is provided for sealing at the fitting portion with the first housing 33. The material of the waterproof packing 393 is, for example, chloroprene rubber, soft elastomer, or the like.
A clip receiver 392 capable of locking the clip 36 of the first housing 33 is provided on the opposite side of the hinged waterproof cover 39 . Therefore, when the hinged waterproof cover 39 is closed, that is, when the connecting end of the hook-type waterproof panel outlet 30 is covered, the tip side 361 of the clip 36 is locked to the clip receiver 392.
Further, when the user presses down the base end side of the clip 36, the hinge type waterproof cover 39 is opened (for example, unfolded by 180 degrees). This hinge type waterproof cover 39 is a "freely movable lid" without an angle maintenance mechanism, but it is desirable that it has a structure (protrusion) that reduces the wobbling width of the cover at the fully open position.
Note that a mounting hole 342 for installation (fixing) is provided on the surface side of the base 341, and a base packing 343 made of a material such as chloroprene rubber or soft elastomer is provided on the mounting surface side. This makes it possible to obtain waterproof performance (and dustproof performance).
In addition, if the material of the hinge type waterproof cover 39 is made transparent or translucent to give the cover light transmittance, it is possible to change the connection end type (blade holder hole type/plug blade type) with the cover on. This is convenient because it allows you to confirm that it is a blade-receiving hole type.
Further, in the hook-type waterproof panel outlet 30 according to the present embodiment, a bent handle is provided on the tip end side 361 of the clip 36. This curved handle has a shape that is curved upward toward the front when the hook-type waterproof panel outlet 30 is viewed toward the mounting surface.
Therefore, for example, when a user grasps the hook-type waterproof plug 20 to be inserted into the connection end of the hook-type waterproof panel outlet 30 by hand, the user opens the clip 36 with the back of the thumb of the same hand while holding this. be able to. In other words, the user can open and close the hinged waterproof cover 39 with one hand while holding the hook-type waterproof plug 20, or can hook the hook-type waterproof panel outlet 30 with one hand while holding the hook-type waterproof plug 20. It is also possible to connect (click and lock) the shaped waterproof plug 20.

1-7. Hook-type waterproof flange inlet The structure of the hook-type waterproof flange inlet 40 belonging to the click-lock series of this embodiment will be described below with reference to FIG.
FIG. 5 is a perspective view of the hook-type waterproof flange inlet according to this embodiment. As shown in FIG. 5, the hook-type waterproof flange inlet 40 according to the present embodiment includes a hook-type flange inlet main body 41 and a second housing 43 attached to cover the hook-type flange inlet main body 41 except for the connecting end. Equipped with. The material of this second housing 43 is, for example, synthetic resin such as polycarbonate resin.
The second housing 43 has the same function as the second housing 23 described above, and includes a flange 44 made of the same material joined by adhesive or welding, for example, near the connection end, and a flange 44 provided on the upper side of the flange 44. It includes a guide slope 45 and a clip receiver 46 provided adjacent to the guide slope 45. The guide slope 45 and clip receiver 46 have the same functions as the guide slope 25 and clip receiver 26 described above.
Therefore, the hook-type waterproof flange inlet 40 according to the present embodiment can exhibit the same function as the above-described waterproof structure 1 with a rotation lock when combined with the above-described hook-type waterproof cord connector body 10.
The second housing 43 also includes a base 441 that is substantially rectangular in plan view and is provided around the second housing 43, and a hinge 491 that is attached to the lower side of the flange 44, as a structure unique to the flange inlet. A round-shaped hinged waterproof cover 49 made of, for example, polycarbonate resin is attached to the flange 44 via a hinge 491 and can be fitted to the connecting end side of the second housing 43.
A clip 492 that can be engaged with the clip receiver 46 of the second housing 43 is provided on the opposite side of the hinged waterproof cover 49 . Therefore, when the hinged waterproof cover 49 is closed, that is, when the connecting end of the hook-type waterproof flange inlet 40 is covered, the tip side of the clip 492 is locked to the clip receiver 46.
Further, when the user presses down the base end side of the clip 492, the hinge type waterproof cover 49 is opened (for example, unfolded by 180 degrees). This hinge type waterproof cover 49 is a "freely movable lid" without an angle maintenance mechanism, but it is desirable that it has a structure (protrusion) that reduces the wobbling width of the cover at the fully open position.
Note that a mounting hole 442 for installation (fixing) is provided on the surface side of the base 441, and a base packing 443 made of a material such as chloroprene rubber or soft elastomer is provided on the mounting surface side. This makes it possible to obtain waterproof performance (and dustproof performance).
In addition, if the material of the hinge type waterproof cover 49 is made transparent or translucent to give the cover light transmittance, it is possible to change the connection end type (blade hole type/plug blade type) with the cover on. This is convenient because it allows you to confirm that it is a plug blade type.

1-8. Waterproof cover for hook-type waterproof cord connector body The structure of the waterproof cover 50 for hook-type waterproof cord connector body belonging to the click-lock series of this embodiment will be described below with reference to FIG.
FIG. 6 is an explanatory diagram illustrating a waterproof cover for a hook type waterproof cord connector body according to the present embodiment. As shown in FIG. 6, the waterproof cover 50 for a hook-type waterproof cord connector body according to the present embodiment is made of, for example, polycarbonate resin that can be fitted onto the connection end side of the first housing 13 of the hook-type waterproof cord connector body 10. A round lid-shaped waterproof cover, which includes a clip receiver 56 that can be locked to the distal end side 161 of the clip 16 of the flange 14, and a waterproof packing having, for example, a valve membrane structure, arranged for sealing at the fitting part with the flange 14. 59. The material of the waterproof packing 59 is, for example, chloroprene rubber, soft elastomer, or the like.
A strap 57 made of, for example, nylon resin and having a loop 571 at its tip end is attached to the top of the waterproof cover 50 by a stopper 58. In use, the loop 571 of this strap 57 is locked around the first housing 13 of the hook-type waterproof cord connector body 10.
Therefore, the waterproof cover 50 not only provides waterproof performance (and dust resistance) to the hook-type waterproof cord connector body 10 when not in use, but also provides a hook-type It is efficient because the connection end side of the waterproof cord connector body 10 is opened or closed.
In addition, if the material of the waterproof cover 50 is made transparent or translucent to impart light transmittance to the cover, the type of connection end (blade holder hole type/blade type) can be used while the cover is on. It is convenient because it allows you to confirm that it is a receiving hole type.

1-9. Waterproof Cover for Hook-Type Waterproof Plug The structure of the waterproof cover 60 for a hook-type waterproof plug belonging to the click-lock series of this embodiment will be described below with reference to FIG.
FIG. 7 is an explanatory diagram illustrating a waterproof cover for a hook-type waterproof plug according to the present embodiment.
As shown in FIG. 7, the waterproof cover 60 for a hook-type waterproof plug according to the present embodiment is a round lid-shaped cover made of polycarbonate resin, for example, which can be fitted onto the connection end side of the second housing 23 of the hook-type waterproof plug 20. The waterproof cover includes a clip 66 that can be locked to the clip receiver 26 of the flange 24.
A strap 67 made of, for example, nylon resin and having a loop 671 at its tip end is attached to the top of the waterproof cover 60 by a stopper 68. In use, the loop 671 of this strap 67 is locked around the second housing 23 of the hook-type waterproof plug 20.
Therefore, the waterproof cover 60 not only can provide waterproof performance (and dust resistance) to the hook-type waterproof plug 20 when not in use, but also can provide the hook-type waterproof plug 20 by using the clip receiver 26 of the hook-type waterproof plug 20. It is efficient because the connecting end side of the connector can be opened or closed.
In addition, if the material of the waterproof cover 60 is made transparent or semi-transparent to impart light transmittance to the cover, the type of connection end (blade receiving hole type/plug blade type) can be attached while the cover is on. This is convenient because it allows you to check the blade type.

1-10. Hook-type waterproof panel outlet adapter The structure of the hook-type waterproof panel outlet adapter 70 belonging to the click-lock series of this embodiment will be described below with reference to FIG.
FIG. 8 is an explanatory diagram illustrating a hook-type waterproof panel outlet adapter. As shown in FIG. 8, the hook-type waterproof panel outlet adapter 70 according to the present embodiment is a pedestal (mounting aid) disposed between the above-described hook-type waterproof panel outlet 30 and the mounting surface side. It includes a circular opening 71 that can fit into the outer periphery of the first housing 33 of the hook-type waterproof panel outlet 30, and a rectangular recess 72 in plan view that can fit into the base 34 of the hook-type waterproof panel outlet 30. The material of the hook-type waterproof panel outlet adapter 70 is, for example, synthetic resin such as polycarbonate resin.
This hook-type waterproof panel outlet adapter 70 is designed to make it possible to use the hook-type waterproof panel outlet 30 according to the present embodiment while using the (existing) waterproof plate (jet-proof) installed on the mounting surface side. It is an optional part. When replacing the hook-type waterproof panel outlet 30, remove the installed embedded outlet, and then install the hook-type waterproof panel outlet using the outlet box (e.g., mounting hole pitch 48 x 83.5 mm) housed in the mounting surface. Fix the adapter 70 for a panel outlet with a screw from the mounting hole 73, and on top of the adapter 70 for a hook-type waterproof panel outlet, screw the hook-type waterproof panel outlet 30 to the screw receiver 74 for attaching the hook-type waterproof panel outlet. do it.
Note that a base packing 75 made of a material such as chloroprene rubber or soft elastomer is provided on the mounting surface side of the hook-type waterproof panel outlet adapter 70, and this makes it possible to obtain waterproof performance (and dust resistance). It is possible.
Furthermore, although the hook-type waterproof panel outlet adapter 70 that is compatible with the hook-type waterproof panel outlet 30 has been described here, an adapter for a hook-type waterproof flange inlet that is compatible with the hook-type waterproof flange inlet 40 may also be realized in the same way. good. This hook-type waterproof flange inlet adapter is an adapter disposed between the hook-type waterproof flange inlet 40 and the mounting surface, and is capable of fitting onto the outer periphery of the second housing 43 of the hook-type waterproof flange inlet 40. It has an opening.

2. Effects of the Embodiment The effects of the click lock series of this embodiment will be explained below. Here, a combination of a hook-type waterproof cord connector body 10 and a hook-type waterproof plug 20 will be exemplified as a pair of hook-type waterproof connectors, but similar effects can be obtained with other combinations.
The waterproof structure 1 with a rotation lock of the click-lock series of this embodiment includes a pair of housings 13 and 23, and since the pair of housings 13 and 23 are equipped with a rotation lock function, the hook type cord connector body It is possible to add both waterproof performance (and dustproof performance) and rotation lock function to the main body 11 and the hook type plug main body 21. Therefore, since the existing hook-type cord connector body body 11 and hook-type plug body 21 can be used as they are, the manufacturing cost of the hook-type waterproof cord connector body 10 and the hook-type waterproof plug 20 can be kept low.
Moreover, when connecting the hook-type waterproof cord connector body 10 and the hook-type waterproof plug 20, the user grasps one housing 13 by hand and fits it into the other housing 23 in an appropriate posture. Since the clip 16 is opened while sliding on the surface of the guide slope 25, the key-shaped plug blade 22 of the hook-type plug body 21 can be smoothly inserted into the blade receiving hole 12 of the hook-type cord connector body body 11. can.
After that, when the user rotates the pair of housings 13 and 23 clockwise, the tip side 161 of the clip 16 slides sideways on the guide slope 25 and comes off the guide slope 25, so the clip 16 closes and the guide slope The clip receiver 26 adjacent to the clip receiver 25 is locked with a "click" sound. Therefore, by the same operation as when connecting the hook-type cord connector body 11 and the hook-type plug body 21, the user can improve the waterproof performance (and dust resistance) by fitting the pair of housings 13 and 23, and the hook-type cord connector body 11 and the hook-type plug body 21. A function of preventing the cord connector body main body 11 and the hook type plug main body 21 from rotating back (rotation lock function) can be obtained.
When disconnecting the hook-type cord connector body body 11 and the hook-type plug body 21, the user presses down the base end side 162 of the clip 16 by hand and rotates the pair of housings 13, 23 counterclockwise. When rotated, the distal end 161 of the clip 16 rides on the guide slope 25, so simply by separating the pair of housings 13 and 23, the distal end 161 of the clip 16 slides down the surface of the guide slope 25 and smoothly The connection will be terminated. Therefore, the user can disconnect the hook-type cord connector body 11 and the hook-type plug body 21 by simply adding the same action (rotating and pulling out) as the action of pressing down the clip 16 be able to.
As a result of the above, the waterproof structure 1 with a rotating lock of the click-lock series of this embodiment can reduce the manufacturing cost of the hook-type waterproof cord connector body 10 and the hook-type waterproof plug 20, and is more convenient. expensive.

In addition, the hook-type waterproof cord connector body 10, hook-type waterproof plug 20, hook-type waterproof panel outlet 30, and hook-type waterproof flange inlet 40 belonging to the click-and-lock series of this embodiment are all pivotable in the click-and-lock series. Since it has a structure compatible with the waterproof structure with lock 1, it has high compatibility. In addition, the waterproof covers 50 and 60, hook-type waterproof panel outlet adapter 70, and hook-type waterproof flange inlet adapter (not shown), which are accessories of the click-lock series, all come with rotation locks of the click-lock series. Since it has a structure compatible with the waterproof structure 1, it is highly convenient.

3. Variant
3-1. In the embodiment described above, the waterproof packing is placed on the side of the hook type/waterproof type connector of the plug blade type and the side of the waterproof cover of the hook/waterproof type connector of the blade hole type. However, it may also be on the side of a hook-type/waterproof type connector with a blade receiving hole type, or on the side of the waterproof cover of a hook-type/waterproof type connector with a plug blade type.

3-2. In the above-described embodiments or modified examples of the inverted structure , the clips are provided on the side of the hook-type/waterproof type connector of the blade receiving hole type and the side of the waterproof cover of the hook-type/waterproof type connector of the plug blade type. The clip receiver (and guide slope) was installed on the side of the hook type/waterproof type connector of the plug blade type and on the side of the waterproof cover of the hook type/waterproof type connector of the blade receiver hole type. The locations where the clip receivers (and guide slopes) are provided may be reversed. However, as a result of trial production conducted by the inventors of the present application, it has been found that the case where the connector is not inverted (as shown in FIGS. 1 to 8) has the advantage of being able to reduce the size of the connector.

3-3. In the above-described embodiments or modified examples of the method of fixing the hook-type connector main body to the housing , by the screw receiver provided on the inner wall of the housing, the screw receiver provided in advance on the hook-type connector main body, and the screw, Although the hook type connector main body and the housing are fixed, other fixing methods may be adopted. For example, another method may be adopted, such as providing a locking portion on the inner wall of the housing that can be locked to the shape of the periphery of the hook-type connector main body.
In addition, in the above-described embodiments or modified examples, in order to ensure that the rotational position of the hook-type connector body installed inside the housing is appropriate, it is necessary to ensure that the hook-type connector body cannot be inserted if it is in an inappropriate posture. Preferably, the shape of the inner wall of the housing is set.

3-4. In addition, any of the embodiments or any of the modified examples described above can be modified in various ways without departing from the spirit of the present invention.

1 Waterproof structure with rotation lock 10 Hook-type waterproof cord connector body 11 Hook-type cord connector body body 12, 12, 12 Blade receiving hole 13 First housing 131 Screw receiver 132 Mounting screw 14 Flange 16 Clip 161 Tip side 161M position Alignment mark 162 Base end side 163 Torsion spring 164 Rotating shaft 17, 17 Partition wall 171, 171 Through hole 19, 19 Grip 191 Waterproof bushing 192, 192 Grip screw 193 Screw receiver 20 Hook type waterproof plug 21 Hook type plug body 22 Key-shaped plug blade 23 Second housing 231 Screw receiver 232 Mounting screw 24 Flange 241 Waterproof packing 25 Guide slope 25M Positioning mark 26 Clip receiver 29, 29 Grip 291 Waterproof bushing 292, 292 Grip screw 293 Screw receiver 30 Hook Type waterproof panel outlet 31 Hook type panel outlet main body 32, 32, 32 Blade receiving hole 33 First housing 34 Flange 341 Base 342 Mounting hole 343 Base packing 36 Clip 361 Tip side 362 provided with a curved handle 362 Base end Side 39 Hinged waterproof cover 391 Hinge 392 Clip receiver 393 Waterproof packing 40 Hook-type waterproof flange inlet 41 Hook-type flange inlet main body 42, 42, 42 Key-shaped plug blade 43 Second housing 431 Waterproof packing 44 Flange 441 Base 442 Mounting hole 443 Base packing 45 Guide slope 46 Clip receiver 49 Hinged waterproof cover 491 Hinge 492 Clip 50 Waterproof cover for hook type waterproof cord connector body 56 Clip receiver 57 Strap 571 Loop 58 Stopper 59 Waterproof packing 60 Waterproof cover for hook type waterproof plug 66 Clip 67 Strap 671 Loop 68 Stopper 70 Adapter for hook-type waterproof panel outlet 71 Opening 72 Recess 73 Mounting hole 74 Screw receiver for attaching hook-type waterproof panel outlet 75 Base packing

Claims (16)

A pair of hook-type connector bodies for connecting coated electric wires are installed so as to individually cover other parts than the connecting ends, and include a first housing and a second housing that can be fitted into each other,
The first housing includes:
A seesaw-type clip is attached to the second housing side with the tip end facing,
The second housing includes:
a guide slope that smoothly pushes up and opens the tip end side of the clip when one of the pair of hook-type connector bodies is inserted into the other;
a clip receiver that is provided at a position adjacent to the guide slope in the circumferential direction and that locks the tip side of the clip that has slipped sideways on the guide slope when the pair of hook-type connector bodies are rotated for connection; and are provided with
A waterproof structure with a rotation lock, characterized in that the pair of hook-type connector bodies do not rotate back unless the tip side of the clip of the first housing is opened. In the waterproof structure with rotation lock according to claim 1,
A waterproof structure with a rotation lock, comprising: a waterproof packing disposed at a fitting portion between the first housing and the second housing. In the waterproof structure with rotation lock according to claim 1,
The first housing includes:
a pair of partition walls erected to support the rotating shaft of the clip;
a through hole coaxially provided on the base end side of the clip of the pair of partition walls,
A waterproof structure with a rotation lock, characterized in that when a cable tie is placed between the through holes of the pair of partition walls, the proximal end side of the clip is prevented from being pushed down. A hook type cord connector body main body as the hook type connector body according to claim 1;
A hook-type waterproof cord connector body comprising: the first housing having a waterproof structure with a rotation lock according to claim 1; The hook type waterproof cord connector body according to claim 4,
A hook-type waterproof cord, characterized in that a grip for holding the covered electric wire is provided on the opposite end side of the first housing, and a waterproof bushing is arranged in a gap around the covered electric wire. connector body. A hook-type plug body as the hook-type connector body according to claim 1;
A hook-type waterproof plug comprising: the second housing having a waterproof structure with a rotation lock according to claim 1. The hook type waterproof plug according to claim 6,
A hook-type waterproof plug characterized in that a grip for holding the covered electric wire is provided on the opposite end side of the second housing, and a waterproof bushing is arranged in a gap around the covered electric wire. . A hook-type panel outlet main body as the hook-type connector main body according to claim 1;
A hook-type waterproof panel outlet, comprising: the first housing having a waterproof structure with a rotation lock according to claim 1. The hook type waterproof panel outlet according to claim 8,
a hinged waterproof cover that can be fitted to the connection end side of the first housing;
A hook type waterproof panel outlet, wherein the hinge type waterproof cover is provided with a clip receiver that can be locked to the clip of the first housing. The hook type waterproof panel outlet according to claim 9,
A recurved handle is provided on the tip side of the clip,
The hook-type waterproof panel outlet is characterized in that the user can open the clip with the back of the thumb of the user's hand while holding the hook-type waterproof plug to be inserted into the connection end of the hook-type waterproof panel outlet. Waterproof panel outlet. A hook-type flange inlet body as the hook-type connector body according to claim 1;
A hook-type waterproof flange inlet, comprising: the second housing having the waterproof structure with rotation lock according to claim 1. The hook type waterproof flange inlet according to claim 11,
a hinged waterproof cover that can be fitted to the connection end side of the second housing;
A hook type waterproof flange inlet, wherein the hinge type waterproof cover is provided with a clip that can be locked to the clip receiver of the second housing. A waterproof cover fitable to the connection end side of the first housing of the hook type waterproof cord connector body according to claim 4,
A waterproof cover, further comprising a clip receiver capable of locking the clip of the first housing. A waterproof cover that can be fitted to the connection end side of the second housing of the hook-type waterproof plug according to claim 6,
A waterproof cover, characterized in that a clip that can be locked to the clip receiver of the second housing is provided. 9. The hook-type waterproof panel adapter disposed between the hook-type waterproof panel outlet and the mounting surface according to claim 8, wherein the hook-type waterproof panel has an opening that can be fitted to the outer periphery of the first housing. Adapter for outlet. 12. An adapter disposed between the hook-type waterproof flange inlet and the mounting surface according to claim 11, the hook-type waterproof flange having an opening that can be fitted to the outer periphery of the second housing. Inlet adapter.

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