CN1228626A

CN1228626A - Connector seal cover assembly

Info

Publication number: CN1228626A
Application number: CN 98106270
Authority: CN
Inventors: 田口博; 饭野浩一; 蔡栋楠; 周海明
Original assignee: Whitaker LLC
Current assignee: Whitaker LLC
Priority date: 1998-03-06
Filing date: 1998-03-06
Publication date: 1999-09-15

Abstract

A connector seal cover assembly 1 for protecting two pairs of mating connectors from the environment is disclosed. The assembly 1 comprises first and second cover members 2,2' and sealing member disposed in said cover members 2,2'. Each of the cover members 2,2' includes first and second cover halves 10,12; 10',12' interconnected by an integral hinge 14;14', and means 78,80 for fastening said first and second cover halves 10,12;10',12' together. The first cover half 10 of the first cover member 2 fits to the second cover half 12' of the second cover member 2' and the second cover half 12 of the first cover member 2 fits to the first cover half 10' of the second cover member 2'. By this arrangement, the first and second cover members 2,2' define two connector receiving cavities each for receiving either one of two pairs of mating connectors. The assembly 1 does not require any additional means for combining two pairs of mating connectors.

Description

Connector seal cover assembly

The present invention relates to a kind of connector seal cover assembly, this device carries out water-tight to connector.

In consumer goods industries, for connector and environment packing are come, the seal cover that is used for hermetically sealed connector just is widely used.Japan Patent JPU 6-9064 discloses a kind of seal cover, shown in Fig. 8 and 9.Sealing lid arrangement 100 comprises the first half lids 102 and, the second half lids 104, and they connect mutually by a folding 106.Partly cover 102,104 each have a chamber 110,140, the chamber is by oneself four walls 112,114,116,118; 142,144,146,148 form, and are used to receive gel 108.Independent connector reception cavity of chamber 110,140 common formation.Additional chamber 120,122; 150,152 are positioned near each 110,140 two ends, chamber, are used for receiving from each partly covering the gel that flow out in 102,140 chamber 110,140.Each additional chamber 120,122; 150,152nd, form by wall, that is, and end wall 124,126; 154,156, wall 116,118; 146,148, lateral wall 112,142 and madial wall 114; 144.

Hermetically sealed connector prevents that into water is finished by following step: at first, partly covering in 102,104 the chamber gel filled 108.Then, the electric connector of interconnected electric wire 172,174,176 or joint 170 are placed in the gel 108 of filling in the chamber 110, thus electric wire 172,174,176 stretch out from the first half lids by perforate 128,130,132,134, perforate is located at wall 116,124, on 118,126.At last, the second half lids 104 pivotally are installed on the first half lids 102, sealing cover piece 100.Detent position is that the engagement by the lock protruding 136,136 on the outer wall 112 of hammerlock 166,166 on the outer wall 142 of the second half lids and the first half lids 102 maintains.After assembling, joint 170 is closed gel 108 sealings in the cover piece 100 and prevents outside water inlet.

But, in traditional seal cover, two joints 170 must seal by seal cover 100 separately.Joint 170 is coupled to each other, and uses securing member then, and for example insulating tape is fixed together them.This has just increased the cost and the amount of labour of material.The bigger seal cover that can receive two joints just can address this problem.But, this needs two kinds of pressing molds, thereby has increased investment.

The purpose of this invention is to provide the connector seal cover of two connectors of a kind of reception, it does not need to increase fastener.

The purpose that the invention provides the connector seal cover of hermetically sealed connector is to realize like this, it comprises first and second cap members and is located at potted component among the above-mentioned cap member, each above-mentioned cap member comprises by interconnected the first and second half lids of whole folding with above-mentioned the first and second half and covers the device that tightens together, above-mentioned the second half lids of above-mentioned the first half lids of wherein above-mentioned first cap member and above-mentioned second cover piece match and the second half lids of above-mentioned first cover piece adapt to above-mentioned the first half lids of above-mentioned second cover piece, thereby above-mentioned first and second cover pieces just form two connector reception cavities, and each chamber receives two couples of of connecting in the connector.Preferably, the design of first and second cover pieces is identical.

With method for example the present invention is described referring now to accompanying drawing.

Fig. 1 is the perspective view that has two pairs of intermateable connectors and first cover piece of gel wherein is housed;

Fig. 2 is the perspective view that comprises the assembly of the present invention of Fig. 1 first cover piece and one second cover piece;

Fig. 3 is the perspective view of first cover piece of assembly of the present invention;

Fig. 4 is the top view of first cover piece of Fig. 3;

Fig. 5 is the front view of first cover piece of Fig. 3;

Fig. 6 is the perspective view that has connector and first cover piece among Fig. 3 of gel is housed;

Fig. 7 is the assembly of first cover piece of Fig. 3 and a perspective view of connector;

Fig. 8 is the perspective view of prior art connector seal cover;

Fig. 9 is the vertical view of prior art connector seal cover.

At first referring to Fig. 1 and 2, connector seal cover 1 comprise first and

second cover pieces

2,2 of same design ', two pairs of

connectors

7,9; 7 ', 9 ' and be located at cover piece 2,2 ' in seal 82.In this manual, electric connector of " connector " expression, it comprises that an insulation crust and at least one are arranged in the electric contact of this shell, but it may be a joint, joint has or does not have insulation crust, or an optical conenctor.Because two cover piece 2,2 ' designs are identical, first cover piece 2 is only described.

With reference now to Fig. 3 to 7,, cap member 2 comprises the first and

second half lids

10,12, and they are made with ambroin, for example polyethylene.This half-and-half covers 10,12 can be by opening and closing 10, the 12 interconnective foldings 14 of two and half lids.The size of folding 14 be from partly cover one of 10,12 to another length less than its width.Be consistent with another because each partly covers 10,12 shape, in the time of their closures, just can fit each other.But, partly covering one of 10,12 can be greater than another, so that form the interlocking relation.In the first half lids 10, be formed centrally the chamber 24 that constitutes by two pairs of

relative insulation walls

16,18,20,22, be used to receive the

connector

7,9 of a pair of adapting position.At the center of the second half lids 12, by two pairs of

relative insulation walls

26,28; 30, the 32 similar chambeies 34 that form.A pair of

relative insulation wall

16,18 is stretched in the length direction upper edge of the first half lids 10 and is higher than another to

relative insulation wall

20,22, and like this,

intermateable connector

7,9 is inserted into chamber 24 easily by the guiding of higher wall 16,18.Another is identical to 7,9 adaptive length with connector basically to the distance L between the insulation wall 20,22.Therefore, the connector in incomplete matched position just can not be inserted in the chamber 24 7,9, and perhaps half lid can not be closed to 10,12, not exclusively mates thereby detect

connector

7,9, to guarantee that

connector

7,9 mates fully.

Continuous chamber 44 shown in the hatching zone among Fig. 4 is used to receive seal 82, and it is formed on

insulation wall

16,18, and 20,22 and

outer wall

36,38, between 40,42.

Projection

46,48 is integrally formed in the outside of outer wall 40,42.

Chamber

50,52 is formed among the projection 46,48.Be used to receive 44 seals 82 that flow out from the chamber.

Semicircular notch

20a, 22a; 40a, 42; 46a, 48a is formed on each

insulation wall

20,22, among

outer wall

40,42 and the evagination part 46,48.The size of groove is corresponding with the maximum radius of lead.

First lid 12 is formed with half slot 30a on

outer wall

58,60 and the

evagination part

62,64,32a, 58a, 60a, 62a, 64a at each insulation wall 30,32.First lid 12 has partition wall 66,68 (70,72), to connect insulation wall 30 (32) and outer wall 58 (60).The space that partition wall 66,68 (70,72) forms constitutes a seal receiving slit 74 (76), but because

electric wire

3,5 is therefrom also just necessary especially along stretching thereby sealing.Hammerlock 78,78 and lock protruding 80,80 form fasteners, and are located on the outer wall 36 of second lid 10 respectively and on the outer wall 54 of first lid 12.Each hammerlock 78 comprises two

elastic rod

78a, 78a and a locking bar 78b, and it and two

bar

78a, 78a is connected.

Be contained in the seal in the upper and lower

seal reception cavity

44,74,76 that partly covers in 10,12, preferably the seal made of the polyolefin block copolypeptide of insulating cement seal of making by the thermoplastic elastomer, particularly polystyrene and non-aromatics.Because these special materials have good mobility, seal very is fit to uneven surface and has high sealing characteristics.Seal is cheaply, can be by the dispenser dispensing, and do not need very long setting time to go sclerosis.Then, seal just is filled in the

chamber

44,74,76 and half slot 20a by known dispenser, 30a; 22a, 32a; 40a, 58a; 42a, 60a in conjunction with and in the circular hole that forms.Therefore, seal can be filled automatically and do not influenced sealing property, even the diameter of

electric wire

3,5 is less than the diameter of circular hole.Moreover seal does not need adapter when certain

electric wire

3,5 can not pass circular hole, for example, and sealing plug.

The process of utilizing independent connector seal cover spare 2 to form hermetically-sealed construction is described now.At first, with folding 14 interconnected upper and lower partly

cover

10,12 injection molded.Then, upper and lower 10,12 the

seal reception cavity

44,74,76 of partly covering is filled with the glue seal by dispenser etc.Shown in the dotted line among Fig. 4, connect

connector

7,9 and be positioned in second lid connector receiving slit 24 of 10,

electric wire

3,5 is stretched to the outer from

connector

7,9, and is placed in

groove

20a, 40a, 46a; 22a, 42a is among the 48a.At last, first lid 12 is positioned over the top of second lid 10 and

seals cover piece

2,78 lockings of the protruding 80 usefulness hammerlocks of lock, finishes hermetically-sealed construction.As mentioned above,

electric wire

3,5 extensions are sealed and waterproof by the glue seal that is filled in the seal receiving slit 44.The both lateral sides of cap member 2 also is by

outer wall

36,38,54,56 overlap joint and glue seal 82 and sealed waterproof.

When

connector

7,9 is disconnected, just draws back and open cover piece 2 from hammerlock 78 so that maintenance with external circuit that

electric wire

3,5 or

connector

7,9 are connected the time, locks protruding 80.

Connector

7,9 is picked up and taken out them from cover piece 2 then, and is disconnected.Because there is not any glue seal to be bonded to

connector box

90,92, so shift out

connector

7,9 and disconnect connector to 7,9 from cover piece 2 easily.

With reference to Fig. 1 and 2 connector seal cover assembly 1 of the present invention is described again.As mentioned above, assembly 1 comprise first and second cover pieces 2,2 ', they are same design.As shown in Figure 1, two pairs connect

connector

7,9; 7 ', 9 ' respectively are installed in the upper and lower

connector reception cavity

24,34 that partly covers in 10,12 of first cover piece 2.Then, above second cover piece 2 ' place, first cover piece 2, thereby second cover piece 2 ' first lid 12 ' just adapt to second lid 10, the second cover pieces 2 of first cover piece 2 ' second lid 10 ' just adapt to first cover piece 2 first cover 12, as shown in Figure 2.Second lid chamber of 10 24 and first lid 12 ' chamber 34 ' combination and form an independent chamber and receive first pair of connector 7,9.Similarly, second lid chamber of 10 34 and first lid 12 ' chamber 24 ' combination and form another chamber and receive second pair of connector 7 ', 9 '.Second cover piece 2 ' lock protruding 80 ' and the hammerlock 78 of first cover piece 2 lock together.Similarly, the lock of first cover piece 2 protruding 80 and second cover piece 2 ' hammerlock 78 ' lock together (not shown).Though lock each

cap member

2,2 of protruding 80,80 ' and hammerlock 78,78 ' be arranged at ' the limit on because the length of folding is enough short,

outer end wall

40,42 is shorter than

outside wall

36,38, cap member 2,2 ' will not be opened.If desired, can provide an additional locking device near on the

end wall

40,42 of folding 14.By be filled in first cover piece, the 2 seal receiving slits 44 and second cover piece, 2 seal receiving slits 74 ', 76 ' in seal 82,

electric wire

3,5 is just fully sealed.Similarly, from second pair of connector 7 ', the 9 ' electric wire 3 that extends out ', 5 ' be by the seal 82 in first cover piece, 2

chambeies

74,76 and second cover piece, 2 ' chamber 44 ' in seal 82 sealings.Because there is folding 14 (14 ') each cover piece 2,2 ' inside, lock protruding 80 (80 ') and hammerlock 78 (78 '), assembly just goes two connectors combining without any need for additional securing member.

Though as above-mentioned, the invention is not restricted to the embodiments described for the most preferred embodiment of connector seal cover assembly of the present invention, it can be modified in spiritual scope of the present invention.For example, seal can be a rubber, as silicones.The folding that last second lid is connected together can be arranged on the outer end wall of semi-circular groove.In this case, be preferably on the both sides of groove folding all is provided.In order to fix the first and second half lids, one of half lid can have a press-fit pin at least, and another half lid can have a hole at least, is used to receive this press-fit pin.

Connector sealing device of the present invention can be installed two pairs of connectors that connect, and need not go connector is combined by any additional fastener, in other words, does not need to increase material cost and labour.

Claims

1. the connector seal cover assembly of a hermetically sealed connector, it comprises first and second cover pieces and places the seal of above-mentioned cover piece, each above-mentioned cap member comprises the first and second half lids, they are connected to each other by the folding of one, with the device that above-mentioned the first and second half lids are fixed together

Wherein, above-mentioned the second half lids of above-mentioned the first half lids of above-mentioned first cover piece and above-mentioned second cover piece are adaptive, and above-mentioned the first half lids of above-mentioned the second half lids of above-mentioned first cover piece and above-mentioned second cover piece are suitable, thereby above-mentioned first and second cover pieces form two connector reception cavities, and each reception cavity receives two pairs and connects one of connector.

2. connector sealing device as claimed in claim 1, wherein, the design of above-mentioned first and second cover pieces is identical.

3. connector black box as claim 1 or 2, wherein, one of the first and second half lids of each of above-mentioned first and second cover pieces have two pairs of relative outer walls and two pairs of relative insulation walls in the middle, to form above-mentioned connector receiving slit, a seal reception cavity is formed between above-mentioned two pairs of outer walls and the above-mentioned two pairs of insulation walls.

4. black box as claimed in claim 3, wherein, a pair of in the two pairs of relative insulation walls is higher than another to above-mentioned insulation wall.

5. connector sealing device as claim 3 or 4, wherein, the distance between above-mentioned two pairs of relative insulation walls a pair of equals the above-mentioned length that connects that connects one of connector substantially.

6. connector sealing device of any one claim as described above, wherein, above-mentioned seal is made with the glue thermoplastic elastomer.