JPH0414868Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a waterproof connector that is attached to a panel.

[Conventional technology]

Conventionally, as a waterproof connector, a receptacle 3 attached to a panel 1 is used as shown in FIG.
There is also a plug 5 that is removably fitted into the receptacle 3.

The receptacle 3 includes an insulator 7 in which a large groove 9 is formed on one side (front side). The insulator 7 has a plurality of conductive contacts 1 such as pin contacts corresponding to the groove 9.
1 is retained. A cable 13 is pulled out from a surface (back surface) opposite to one surface of the insulator 7. The cable 13 is electrically connected to the contact 11 inside the insulator 7.

Further, the front surface of the insulator 7 is provided with a plurality of locking portions 15 integrally formed of the same material as the insulator 7. These locking portions 15 fix the receptacle 3 to the panel 1 by engaging with the edges of the holes 16 in the panel 1.
Note that a waterproof sealing member 17 such as a rubber material is interposed between the front surface of the receptacle 3 and the panel 1.

On the other hand, the plug 5 includes a mating insulator 19 and a plurality of conductive mating contacts 21 such as socket contacts held inside the mating insulator 19, as also shown in FIG. A ring-shaped sealing member 22 is provided on the outer peripheral surface of the mating insulator 19 .

On one side (front) of the opponent insulator 19,
A through hole 23 is formed to receive the contact 11 of the receptacle 3. A mating contact 21 is provided on the opposite surface (back surface) of the mating insulator 19.
A waterproof plug 27 such as an integrated grommet is fitted to hold the cable 25 connected to the mating insulator 19 and to waterproof the space between the inside and the outside of the mating insulator 19.

In such a waterproof connector, panel 1
When the mating insulator 19 is inserted into the groove 9 of the insulator 7 attached to the holder, an electrical connection between the contact 11 and the mating contact 21 is obtained. At the same time, waterproofness is achieved by the seal member 17 interposed between the insulator 7 and the panel 1, the seal member 22 of the mating insulator 19, and the waterproof plug 27.

[Problem that the invention attempts to solve]

However, in the conventional waterproof connector, the shape of the mating contacts 21 is limited by the waterproof plug 27, so the mutual spacing between the mating contacts 21 cannot be narrowed, the waterproof structure becomes complicated, and the high-density plug 5 is required. The problem is that you can't get it.

Furthermore, as shown in FIG. 8, the assembly is performed by attaching the waterproof plug 27 to the cable 25 and connecting the mating contact 21 to the cable 25, and then inserting the mating contact 21 into the mating insulator 19. There is a problem in that it is difficult to feel that the mating contact 21 is completely installed inside the mating insulator 19.

Therefore, an object of the present invention is to provide a waterproof connector that has a simple waterproof structure and can provide high contact density.

[Means for solving problems]

According to the present invention, a connector to be attached to a panel includes a connector main body having a flange facing the panel at a distance and connected to an end of a cable, the flange portion of the connector main body, and the flange of the cable. A rubber boot that tightly covers the area near the end, an inner hood that fits on the outside of the part of the boot corresponding to the flange part, and an outer side of the inner hood and the outside of the boot. an outer hood that covers and is latched to the object to be connected to the connector body, thereby pressing the flange of the connector body toward the panel via the inner hood, and the boot connects the flange and the panel. The boot pressing type is characterized in that the outer hood has a portion that is pressed between the panels, and the outer hood can be slid parallel to the panel to release the engagement with the connection object. A waterproof connector is obtained.

〔Example〕

FIGS. 1 to 3 show an embodiment of the boot press type waterproof connector of the present invention.

The illustrated boot-pressing waterproof connector has a receptacle 37 mounted on a horizontal panel 35.
Plug (connector body) that is removably mated to
It has 39.

The receptacle 37 includes an insulator 43 having a large groove 41 formed in its upper surface, and a plurality of conductive contacts 45 such as pin contacts held in the insulator 43 so as to correspond to the grooves 41. The contact 45 extends from the bottom of the groove 41 toward the opening.
The cable 4 is connected from the bottom of this insulator 43.
7 is drawn out. The cable 47 is connected to the contact 45 inside the insulator 43.

Further, the upper surface of the insulator 43 is provided with a plurality of locking pieces 49 integrally formed of the same material as the insulator 43. These locking portions 49 are inserted into the holes 36 of the panel 35, and the tips of the locking pieces 49 engage with the upper surface of the panel 35, thereby fixing the receptacle 37 to the panel 35. Note that a waterproof sealing member 51 such as a rubber gasket is sandwiched between the upper surface of the receptacle 37 and the panel 35 in a compressed state.

Furthermore, as shown in FIG. 11, a plurality of locking holes 57 are formed in the panel 35 as shown in FIG.
A locking piece groove 58 is formed in one-to-one correspondence with the locking piece. An in-groove locking portion 59 is formed in the locking piece groove 58 . The groove locking portion 59 also has a protruding portion 60.
is formed.

On the other hand, the plug 39 is connected to the mating insulator 61
and a plurality of conductive mating contacts (not shown) such as socket contacts held by the mating insulator 61. The mating insulator 61 is inserted into the groove 41 of the insulator 43 of the receptacle 37 described above. A plurality of cables 63 connected to the mating contacts are drawn out from the top surface of the mating insulator 61. A flange portion 65 is formed on the outer peripheral surface of this mating insulator 61.

This waterproof connector further includes a boot 68 of a predetermined length formed of a rubber material into a cylindrical shape as shown in FIG. The boot 68 tightly covers the plurality of cables 63 from the outside. A groove 72 is previously formed on the inner peripheral surface of the opening 70 at one end of the boot 68. The boot 68 is formed on the mating insulator 61 by fitting the groove portion 72 into the flange portion 65 . Further, a plurality of protrusions 74 are connected to the outer peripheral surface near one end of the boot 68. A cable 63 is led out from an opening 76 at the other end of the boot 68.

The opening 70 at one end of the boot 68 on the surface that comes into close contact with the panel 35 is smaller than the outer shape of the flange 65 of the mating insulator 61. Therefore,
While expanding the opening 70 of the boot 68, the groove 72 is fitted into the flange 65 of the mating insulator 61. As a result, the boot 68 comes into close contact with the front surface of the outer periphery of the flange portion 65.

An inner hood 80 shown in FIG. 5 is fitted on the outside of a portion of one end of the boot 68 that corresponds to the flange portion 65. The inner hood 80 includes a push plate surface portion 82 facing the back surface of the flange portion 65 of the mating insulator 61 via the boot 68, and a frame surface portion 8 formed at right angles to the push plate surface portion 82.
4. A cutout opening 86 is formed on one side of the inner hood 80. Therefore, the inner hood 80 can be attached to the boot 68 by fitting the inner hood 80 to the outside of the boot 68 through the notch opening 86. Also,
Fitting holes 87 are formed in the frame surface portion 84 of the inner hood 80 so as to correspond to the plurality of protrusions 74 formed on the outer peripheral surface of the boot 68. Furthermore, a plurality of coupling pieces 88 are formed on the frame surface portion 84 of the inner hood 80 and extend above the pressing surface portion 82 (downward in FIG. 5). These connecting pieces 88
is used to connect the inner hood 80 and the outer hood 90.

As shown in FIG. 6, the outer hood 90 is formed with a first opening 93 and a second opening 94 that are perpendicular to each other. The outer hood 90 further includes a slide surface section 96 formed parallel to the pressing surface section 82 of the inner hood 80, and an outer frame surface section 98 formed perpendicularly from the end of the slide surface section 96. The outer surface portion 98 faces the frame surface portion 84 of the inner hood 80. A plurality of lock arms 97 are formed on the outer frame surface portion 98. A shoulder portion 99 is formed at the tip of the lock arm 97 so as to face inward. This shoulder 99
A slope portion 100 is formed on one side of the plate. Further, a hood portion 102 that covers the upper surface of the boot 70 is formed on the slide surface portion 96. Furthermore, a through hole 104 is formed in the slide surface portion 96, through which the coupling piece 88 of the inner hood 80 passes.

Next, a description will be given of the operation of attaching this boot-pressing type waterproof connector to the panel 35.

First, while compressing the receptacle 37 with the seal member 51 interposed between it and the panel 35, the locking piece 49 is
It is temporarily fixed to the panel 35 by using.

Meanwhile, the plug 39 is assembled as follows. That is, the mating contact to which the cable 63 is connected is inserted from the opening 76 at the other end of the boot 68 to the opening 70 at one end.
The insulator 61 is made to pass through and installed inside the mating insulator 61. Next, the plug 39 is press-fitted into the groove 72 of the opening 70 of the boot 68 and fixed. As a result, when the opening 70 of the hood 68 is expanded and the flange 65 of the mating insulator 61 is inserted into the groove 72, a part of the boot 68 faces the front surface (lower surface in the figure) of the flange 65 over the entire circumference. The state will be as follows.

Further, the inner hood 80 is fitted into the outer surface of the opening 70 at one end of the boot 68. At this time, the protrusion 74 of the boot 68 is fitted into the fitting hole 87 of the inner hood 81 and locked. Then, an outer hood 90 is placed over the inner hood 80 so as to cover the boots 68 as well. At this time, the tip portion of the coupling piece 88 that has entered the through hole 104 of the outer hood 90 engages with the sliding surface portion 96 of the outer hood 90. Therefore, the inner hood 80 and the outer hood 90 are coupled to each other.

The tip of the lock arm 97 of the outer hood 90 passes through the locking piece hole 57 of the panel 35 and enters the locking piece groove 58 of the insulator 43 from its wide opening. At this time, the outer hood 90 is at the position indicated by the two-dot chain line in FIG. Next, as shown in FIG. 7, the outer hood 90 is moved along the panel 35 by a distance x in the direction of the arrow. At this time, the sliding surface portion 96 of the outer hood 90 slides along the circumscribed surface portion 89 of the inner hood 80, and the slope portion 100 of the roller arm 97 slides along the circumscribed surface portion 89 of the inner hood 80.
slides while contacting the in-groove locking part 59.
As a result, the outer hood 90 and the insulator 43 are connected to the front surface of the boot 68 and the seal member 51.
approach each other while being elastically compressed by a distance y shown in FIG. Finally, the protruding part 106 of the roller arm 97 elastically rides over the protruding part 60 of the in-groove locking part 59 and engages with it, completing the connection.

Next, as shown in FIG. 7, the outer hood 90
is moved horizontally along the panel 35 by a distance x.

At this time, the protruding portion 106 of the roller arm 97 slides while contacting the in-groove locking portion 59. Further, the sliding surface portion 96 of the outer hood 90 slides along the circumscribed surface portion 43 of the inner hood 80. As a result, the protruding portion 106 engages with the protruding portion 60 of the in-groove locking portion 59 in the sliding direction.

In this state, the boot 68 and the seal member 51 are pressed against the panel 35, so the boot 68
The opening 70 and the sealing member 51 are in close contact with the panel 35. Therefore, the plug 39 is the boot 68
The front surface of the receptacle 37 is pressed against the panel 37, and the receptacle 37 is also pressed more strongly against the surface of the panel 35 than when the seal member 51 is temporarily fixed. Therefore, the receptacle 37, the plug 39, the panel 35
are waterproof between each other.

It is preferable that the boot 68 is designed to have a sufficiently long length from the opening 70 at one end to the opening 76 at the other end to prevent water from entering.

Although the plug 39 has been described above as a connector main body, the same can be applied to the receptacle 37. Furthermore, the present invention can be implemented in the same manner even if the connector main body is of another type.

[Effect of idea]

As explained above using the embodiments, according to the present invention, since the connector body is covered by the boot,
A simple waterproof boot press type connector is obtained. Furthermore, since the connector main body does not require a waterproof plug for the cable portion, it is possible to design the contact interval to be small, and therefore, it is possible to provide a boot-pressing type waterproof connector that can be easily increased in density. In addition, after temporarily fixing the connector body to the panel using the inner hood and outer hood via the boots, the final fixing is performed by sliding the outer hood, which ensures reliable waterproofing with a simple operation. is obtained. Moreover, the waterproof structure of the receptacle and plug is the same as the conventional structure, so there are no restrictions.

[Brief explanation of the drawing]

Fig. 1 is a sectional view showing an embodiment of the boot-pushing type waterproof connector of the present invention, Fig. 2 is a side sectional view of the boot-pushing type waterproof connector of Fig. 1, and Fig. 3 is a sectional view of the boot-pushing type waterproof connector of Fig. 1. FIG. 4 is a plan view showing the state in which the receptacle is attached to the panel, FIG. 4 is a perspective view showing the boot of FIG. 1, and FIG.
The figure is a perspective view of the inner hood in Figure 1, Figure 6 is a perspective view of the outer hood in Figure 1, Figure 7 is an explanatory diagram showing the fixing operation of the boot-pressing connector in Figure 1, and Figure 8 is a perspective view of the inner hood in Figure 1. is a side sectional view of a conventional waterproof connector, FIG. 9 is a sectional view showing the plug of FIG. 8, FIG. 10 is a sectional view showing another conventional example of the plug, and FIG.
1 is a partially sectional perspective view of the insulator shown in FIG. 1. FIG. 1... Panel, 3... Receptacle, 5... Plug, 13... Cable, 17... Seal member,
31... Waterproof plug, 35... Panel, 37... Receptacle, 39... Plug, 43... Insulator, 45... Contact, 61... Mating insulator, 65... Flange portion, 68... Boot, 80... ...Inner hood, 88...Joining piece,
90... Outer hood, 96... Slide surface section, 97... Lock arm.

Claims (1)

[Scope of utility model registration request] In a connector that is attached to a panel, a connector body has a flange facing the panel at a distance and is connected to an end of a cable;
a rubber boot that tightly covers the flange portion of the connector body and a portion near the end of the cable; an inner hood that fits on the outside of a portion of the boot that corresponds to the flange portion; an outer hood that covers the outside of the inner hood and the outside of the boot and is locked to the object to be connected to the connector body, thereby pressing the flange of the connector body toward the panel via the inner hood; The boot has a portion that is pressed between the flange and the panel, and the outer hood can slide in parallel with the panel to release the engagement with the connection object. A boot-pressed waterproof connector characterized by: