CN110299645A

CN110299645A - Water-proof connector

Info

Publication number: CN110299645A
Application number: CN201810962678.6A
Authority: CN
Inventors: 荒井厚; 高木哲也; 今村朋洋
Original assignee: SMK Corp
Current assignee: SMK Corp
Priority date: 2018-03-22
Filing date: 2018-08-22
Publication date: 2019-10-01
Also published as: JP2019169236A

Abstract

The present invention relates to water-proof connectors.The compact connector that it is an object of the present invention to provide cable connections to be easy, waterproofness is excellent.Water-proof connector of the invention is characterized in that: the water-proof connector includes: connecting terminal, for so that the core wire of cable is electrically connected；Elastomeric element energizes to above-mentioned core wire towards above-mentioned connecting terminal；And rod unit, for the power of energizing of above-mentioned elastomeric element to be switched to open state.Equipped with the shell for storing above-mentioned connecting terminal and elastomeric element, above-mentioned shell stores the rod unit, so that the operation portion of above-mentioned rod unit protrudes towards the outside, equipped with for the water proof rubber component to sealing between above-mentioned shell and above-mentioned rod unit.

Description

Water-proof connector

Technical field

The present invention relates to the connectors of power supply, more particularly to have the connector of waterproofness.

Background technique

So far, as water-proof connector, the terminal crimped with cable core is fastened on screw with waterproofness The water-proof connector of internal terminal of connector be known by people, still, cable connection operation at the scene is pretty troublesome.

The cable that the waterproof construction (patent document 1) and cable connectivity of the applicant's proposition cable connector are excellent connects It connects with connector (patent document 2) etc..

The present invention further studies connector compact, with waterproofness, realizes the present invention.

[existing technical literature]

[patent document]

[patent document 1] Japanese Unexamined Patent Publication 2017-41376 bulletin

[patent document 2] Japanese Unexamined Patent Publication 2017-73284 bulletin

Summary of the invention

The compact connector that it is an object of the present invention to provide cable connections to be easy, waterproofness is excellent.

In order to solve the problems of conventional art as described above, realization desired object is of the present invention anti- Water connector is characterized in that:

The water-proof connector includes:

Connecting terminal, for so that the core wire of cable is electrically connected；

Elastomeric element, towards above-mentioned connecting terminal, so that above-mentioned core wire is energized；And

Rod unit, for the power of energizing of above-mentioned elastomeric element to be switched to open state；

Equipped with the shell for storing above-mentioned connecting terminal and elastomeric element；

Above-mentioned shell stores the rod unit, so that the operation portion of above-mentioned rod unit protrudes towards the outside；

Equipped with for the water proof rubber component to sealing between above-mentioned shell and above-mentioned rod unit.

Here, it is preferred that water proof rubber component is equipped with cable water stop portion, for carrying out to the insertion section of above-mentioned shell for cable Sealing.

In the present invention, elastomeric element is pushed with rod unit towards connecting terminal, power of energizing is formed, by energizing with this Power confrontation, is switched to open state, gap is generated between connecting terminal and elastomeric element, can be inserted into cable core, if making The rod unit returns to original position, then by cable core resilient clamp between elastomeric element and connecting terminal.

In order to ensure the waterproofness of connector, connecting terminal and elastomeric element are accommodated in occasion in shell, rod unit is The open state of switching energised state and power of energizing, so that the operation portion of the rod unit is prominent to the outside of shell, from ensuring It is very suitable that operational point of view considers.

Then, the present invention is become in the state of making the operation portion of rod unit prominent to the outside of shell with caoutchouc elasticity The water proof rubber component of shape carries out sealing to the gap between shell and rod unit.

Even if the operation portion of rod unit is mobile as a result, water proof rubber component can also follow its deformation, maintain switching behaviour on one side The property made can prevent water to be immersed in shell on one side.

In the present invention, it can be equipped with the cover for keeping the connection status of shell and above-mentioned cable, if by above-mentioned Cover is installed to above-mentioned shell, then above-mentioned rod unit is switched to the energised state of above-mentioned elastomeric element.

For example, following example can be enumerated: under the open state of elastomeric element, the operating position of rod unit is in shell The outside for installing the face of cover, if being intended to for cover to be installed to shell, operation portion and the cover are abutted against, by the operation portion Indentation.

It prevents from becoming as a result, and the power of energizing of elastomeric element is set as open state.

Illustrate effect of the invention below:

Elastomeric element is set as open state, only by the handover operation of rod unit by water-proof connector of the present invention Only the core wire of cable is inserted between connecting terminal and elastomeric element, so that rod unit returns to original position, can be achieved with the electricity of cable Connection and waterproof, therefore, connection operation at the scene is excellent.

Detailed description of the invention

Fig. 1 shows the intracorporal structural examples of the shell of water-proof connector of the present invention, wherein (a) indicates insertion cable core Before line, the operation portion of pressure rod unit (b) is indicated, elastomeric element is switched to the state of open state, (c) indicate cable core Line is inserted into the state between the fastener of elastomeric element and connecting terminal.

Fig. 2 (a) indicates shell and cover, (b) indicates the state of lower cover to be installed after being inserted into cable core to shell.

Fig. 3 (a) indicates upper and lower covers with double dot dash line, (b) indicates the state that cover is installed to shell.

Fig. 4 (a) indicates the socket of the plug for being applicable in waterproof connector structure of the present invention and connection chimeric with its Example (b) indicates chimeric connecting state.

Fig. 5 (a) indicates the chimeric surface of plug, (b) indicates the chimeric surface of socket.

Fig. 6 (a) indicates the component configuration example of plug, (b) indicates the component configuration example of socket.

Fig. 7 indicates the connecting terminal of plug and the connection structure example of female terminal.

Fig. 8 (a) indicate plug and socket it is chimeric before, (b) indicate chimeric midway, the sectional view after (c) indicating chimeric.

Fig. 9 (a)~(c) indicates the chimeric differentiation of locking plug and socket.

The chimeric connecting state of Figure 10 expression plug and socket.

The structural example of Figure 11 (a)~(c) expression connecting terminal and elastomeric element.

Figure 12 (a) (b) indicates the structural example of female terminal.

Symbolic significance is as follows in figure:

1- cable

2- single line

3- core wire

10- shell

11- fitting portion

12- single line insertion section

13- bar mounting portion

The opening portion 14-

20- wiring holding member

30- connecting terminal

40- elastomeric element

50- rod unit

51- operation portion

52- fulcrum

53- service portion

60- water proof rubber component

61- bar water stop portion

62- cable water stop portion

70- cover

71- lower cover

72- upper cover

The articulated section 73-

100- plug

200- socket

Specific embodiment

In the following, being described with reference to for the structural example of water-proof connector of the present invention to be suitable for the example of pin connector Son.

Water-proof connector of the present invention also can be suitably used for socket connector.

Fig. 1 shows the inside structure of shell 10, Fig. 2 indicates the structural example of shell 10 and cover 70, and Fig. 6 (a) indicates to insert The component configuration example of head.

Connecting terminal 30 is made of as shown in Figure 11 component diagram copper or its alloy, has the plate contacted with receptacle-side terminal The contact portion 30a of shape is erected from the side of two sides in its rear and is equipped with a pair of of margining tablet 31,31, with section recess shapes The insertion section 33 of the core wire 3 of cable forms the receiving portion 32 of the fastener 42 of aftermentioned elastomeric element 40 in turn in its rear.

Side has protrusion 32a to receiving portion 32 in its rear, with easy receiving fastener 42.

In the present specification, the chimeric surface side of connector is set as front.

Elastomeric element 40 is installed on the connecting terminal 30.

Elastomeric element 40 forms bending section 41, then the upper pushed section 41a through U-shaped from matrix part 44 towards downside, above With the fastener 42 turned back.

Fastener 42 has opening portion 43, becomes door, so that receiving portion 32 is located at the inside of the opening portion 43, becomes It is not deviated towards left and right when fastener 42 moves up and down.

So that lance portion (lance) 44a for being located at matrix part 44 is locked on connecting terminal side, also, before connecting core wire, The fastener 42 of door shape is kept with the receiving portion 32 of connecting terminal 30.

Wiring holding member 20 is locked to shell 10 by lance portion 21, assembles when by the contact portion 30a of connecting terminal 30 When to the inside of shell 10, so that it is maintained on the wiring holding member 20 of resin.

Fig. 5 (a) indicates the state, refers to that (test finger) is corresponding with test.

In addition, the rod unit 50 of resin to be assembled into the inside of the shell 10 from the rear side of shell 10, so that being located at The pivot joint boss portion of two sides becomes the fulcrum 52 of rotation.

Rod unit 50 has towards 10 outside operation portion 51 outstanding of shell, and the work of the opposite side extension towards fulcrum 52 With portion 53.

In Fig. 1, if operation portion 51 is pushed downward, elastomeric element 40 is turned back into U-shaped by service portion 53 Pressure top 41a up push, fastener 42 moves upward.

As a result, as shown in Fig. 1 (b), fastener 42 is detached from the upper surface of connecting terminal 30, becomes the opening for generating gap therebetween State.

Illustrate the connection example of cable based on Fig. 1.

The example of cable 1 shown in Fig. 1 is made of three single lines 2, peels off the covering portion of respective single line 2, so that core wire 3 reveals Out.

Before core wire 3 is connected to shell by Fig. 1 (a) expression.

In this state, the fastener 42 of elastomeric element 40 is contacted over its elasticity power of energizing with connecting terminal.

As shown in Fig. 1 (b), if the operation portion 51 that the slave shell 10 of rod unit 50 is projected toward the outside is depressed towards lower section, Then because of lever principle, the service portion 53 of opposite side up pushes away the pressure top 41a of the u-shaped shape of elastomeric element 40 from downside The fastener 42 of pressure, elastomeric element 40 is detached from the upper surface of connecting terminal 30 (receiving portion 32), becomes open state.

Maintain to keep the state that the operation portion 51 is pressed down to downside.

In this state, as shown in Fig. 1 (c), the core wire 3 of cable 1 can be inserted into fastener 42 and connecting terminal 30 Opening portion between above, if operation portion 51 is promoted upward, with the power of energizing of fastener 42 by core wire 3 towards connecting terminal Side pushes, and core wire 3 is electrically connected under clamped state.

In the present invention, have on one side ensure the rod unit 50 operability, while realize the feature of waterproof.

The present embodiment is as shown in Fig. 2, be the connector of 3P type, in shell 10, with the single line being made of three cylindrical portions It is inserted into hole 12, and the mounting portion (mounting hole) 13 of rod unit 50 corresponding with respective single line 2.

As shown in the monolithically fabricated figure of Fig. 6 (a), water proof rubber component 60 is in order to block above-mentioned single line pluging handhole 12 and installation Portion 13 is installed on surrounding wall 13a.

Fig. 1 becomes it and installs sectional view.

Water proof rubber component 60 includes and making so that cable water stop portion 62 corresponding with the position of single line pluging handhole 12 Bar water stop portion 61 corresponding with the position of mounting portion 13 of rod unit 50.

Cable water stop portion 62 forms the sealing piece 62a of circular cone shape in inside, the periphery with the covering portion of the single line 2 of insertion Elastic Contact, so that the part sealing.

Bar water stop portion 61 include be used for so that operation portion 51 towards the outside aspis 61a and tubular outstanding elasticity become Shape portion 61b.

The inner peripheral portion of aspis 61a is touched with the stepped part 51a for being located at operation portion 51, in the part sealing.

It is consistent with the rotational action of the up and down direction of operation portion 51 as a result, the flexible deformation portion deformation of tubular, therefore, bar The operability of component is excellent.

As shown in Figures 2 and 3, connector, which becomes from the peripheral part that the outer peripheral surface of shell 10 crosses cable 1, installs cover The example of part 70, so that the cable 1 does not fall off from shell 10 after cable 1 is connected to shell 10.

Cover 70 is linked with articulated section 73, and upper cover 72 and lower cover 71 are opened and closed.

In addition, forming the cable pressing portion 72a engaged with the peripheral part of cable 1 in upper cover 72, formed and electricity in lower cover 71 The cable pressing portion 71a of the peripheral part locking of cable 1.

Also, have locking claw 71b and engaged part 72b, if closing upper cover 72 and lower cover 71, engage claw 71b and Engaged part 72b is engaged mutually, is locked and closed state.

When closing upper cover 72 and lower cover 71, if lower cover 71 is made to be located at side below shell 10, such as shown in Fig. 2 (b), The operation portion 51 of rod unit 50 and the inner side surface of lower cover 71 are abutted against, even if operation portion 51 becomes open state and also returns to original state State, it is therefore prevented that closing lid in the state that the fastener 42 of elastomeric element 40 does not engage core wire 3.

In the present embodiment, as shown in Figure 1 and Figure 2, in shell 10, equipped with for confirming that core wire 3 is connect with connecting terminal 30 Opening portion 14, as shown in Fig. 3 (b) sectional view, in the inside of upper cover 72, installation blocks the sheet material 74 of the opening portion 14.

In the following, indicating chimeric with plug (pin connector) 100 of structure for being applicable in water-proof connector of the present invention The example of the socket 200 of connection.

Fig. 4 indicates its appearance.

Fig. 5 indicates respective chimeric surface.

The inside of the Socket casing 210 of the fitting portion 11 and socket 200 of plug 100 is fitting to connection.

Socket 200 is as shown in fig. 6, be the inside that female terminal 230 is assembled into Socket casing 210, by sealing material 213 It is clamped into the example that the framework for the equipment that diagram is omitted is installed.

Female terminal 230 bends to U shape as shown in Figure 12 component diagram, by the plate being made of copper or its alloy, is formed A pair of sidewalls portion 231,231 forms the insertion groove portion 232 of the contact portion 30a of connecting terminal 30 as a result, in insertion groove portion 232 Downside, the contact portion 232a equipped with overshooting shape.

It is installed to the example of the mounting portion 233 of key-type as the socket resilient component 240 that will be made of elastic material, makes The contact portion 30a for the connecting terminal 30 that must be inserted into is pushed towards contact portion 232a.

Socket resilient component 240 has push-pads 242, from the matrix part 241 for the mounting portion 233 for being installed on the key-type It turns back towards downside, so that the contact portion 30a of connecting terminal 30 is pushed towards contact portion 232a.

Fig. 7 indicates the contact relation.

Also, Fig. 8 shows the chimeric processes of plug 100 and socket 200.

In addition, Figure 10 indicates the cross-sectional perspective view of fitting connection state.

In the present embodiment, as shown in Fig. 4 (a), the locking pawl portion 15 of the shell 10 with 100 side of plug, and be used for Its release operation substantially be in T word section operating sheet 15a.

On the other hand, in 200 side of socket, equipped with can insertion operation piece 15a supporting pieces 15b guiding groove section 211, and Lock engaged part 212.

As a result, as shown in Figure 9 its process it is such, if along guiding groove section 211 be inserted into locking pawl portion 15 so that plug and insert Seat is chimeric, then the locking pawl portion 15 being made of elastic piece engages to locking engaged part 212, becomes lock state.

Also, can removal on one side while bulldozing operation piece 15a when by plug 100 from 200 removal of socket.

In addition, in the present embodiment, becoming the outer peripheral surface installation sealing material 16 of the fitting portion of the shell 10 along plug Example.

Claims

1. a kind of water-proof connector, it is characterised in that:

The water-proof connector includes:

2. the water-proof connector recorded according to claim 1, it is characterised in that:

Above-mentioned water proof rubber component is equipped with cable water stop portion, carries out sealing to the insertion section of above-mentioned shell for cable.

3. the water-proof connector recorded according to claim 1 or in 2, it is characterised in that:

Equipped with the cover for keeping the connection status of above-mentioned shell and above-mentioned cable, if above-mentioned cover is installed to above-mentioned Above-mentioned rod unit is then switched to the energised state of above-mentioned elastomeric element by shell.