Background technology
In the past, as shown in figure 16, provide and possess roughly rectangular-shaped housing 101, arrange on the one side that is arranged on housing 101 along the length direction of housing 101, be connected the contact 103 on each conductor of flat cable 102 and cover the connector (for example with reference to patent documentation 1) of the metal lid 104 that is arranged on the housing 101, flat cable 102 is gripped with housing 101.Below, be benchmark with the direction up and down among Figure 16, establish with the direction of direction quadrature up and down be fore-and-aft direction.
Housing 101 is made of the fixed part 121 on the main part 111 of taking in contact 103 and the two ends, the left and right sides that are respectively formed at main part 111.Main part 111 is disposed with a plurality of slot part 101a that form along the fore-and-aft direction of this housing 101 in the above, taking in each contact 103 in this slot part 101a.In addition, fixed part 121 is by cutting front end, and side is formed with mounting groove 121a along the thickness direction (above-below direction) of housing 101 forwardly, and also side is formed with fixed part 121 along the slotting logical installing hole 121b of thickness direction in the wings.
Flat cable 102 is directed in the housing 101 by a plurality of cable 102a are formed with plane boundling.And, flat cable 102 on housing 101 on the conductor of each cable 102a respectively soldering be connected on each contact 103.
Lid 104 by along the length direction (left and right directions) of housing 101 long long strip-board shape lid main part 114 and be fixed on the housing 101 and be respectively formed at ca(u)lk fixed part 115 formations on the two ends, the left and right sides of covering main part 114 in order cover 104.
Ca(u)lk fixed part 115 is by the flat base portion 115a that extend to be provided with of direction and extend the extension that is provided with to thickness direction respectively from the rear and front end of base portion 115a and the 115b of portion, 115c are set form roughly コ word shape of cross section laterally from the two ends of lid main part 114.In addition, in Figure 16, extend the front end that the 115b of portion is set and become roughly L word shape, but under initial condition, be not tabular by bending by bending.
And, cover when being arranged on the housing 101 will covering 104, at first, extension is provided with among mounting groove 121a, the installing hole 121b that the 115b of portion, 115c be inserted into housing 101 respectively, by the top clamping flat cable 102 of main part 114 and housing 101.Then, by will extend the 115b of portion is set front end along the outside (rearward) will cover 104 and be fixed on the housing 101 to fixed part 121 ca(u)lks (bending).
[patent documentation 1] spy opens the 2007-157594 communique
As noted above, in routine in the past connector, in the time will covering 101 assemblings of 104 pairs of housings, owing to need the ca(u)lk operation, so in assembling, spend time, if and will cover 104 and pull down earlier again and to install, the assembled state that extends intensity decreases that the 115b of portion is set, lid 104 because of the metal fatigue problem of unstable that becomes is then arranged.
Summary of the invention
The present invention In view of the foregoing makes, and its objective is that providing a kind of can easily assemble lid to housing, even and the lid of installing again, the connector that assembled state is also stable.
The invention of technical scheme 1 is characterised in that to possess: roughly rectangular-shaped housing; On the one side of housing, arrange a plurality of contacts that are provided with, are connected with each conductor from the flat cable of short side direction one side's side importing of housing along the length direction of this housing; Metal lid is by on the one side that covers housing, sandwich flat cable and the tabular lid main body of essentially rectangular that this flat cable is fixing and extend a pair of engaging pawl that is provided with, lays respectively at the both sides of flat cable along thickness direction from short side direction one side's of lid main body lateral margin and constitute with housing; Above-mentioned engaging pawl with opposed of the lateral margin of short side direction one side's side of housing on be equipped with snap-latch piece, above-mentioned housing is formed with and the above-mentioned portion that is stuck that engages the pair of metal system of pawl engaging at the above-mentioned lateral margin of short side direction one side's side, when the engaging pawl is fastened in the portion of being stuck, snap-latch piece be connected in the portion of being stuck and the engaging pawl after direction deflection away from housing, the engaging pawl engages with the portion of being stuck.
According to this invention, only the assembling that just can easily cover by the one side side insert cover from housing does not need the ca(u)lk operation, so can cutting down cost.And then, because the dismounting that can cover, so the metal fatigue of the engaging pawl can suppress to install again the time and make the assembled state of lid stable by making engaging pawl deflection.In addition, because the holding section is formed on the inserting side of flat cable to housing, so even flat cable is stretched to a layback of housing, that also can suppress to cover floats, and can prevent the cut-out of the conductor and the contact of flat cable.And then, because the holding section and the portion of being stuck are all formed, engaged by the hook structure by metal, guarantee the engaging intensity of wishing so can not make the fastener position become big.
The invention of technical scheme 2 is in technical scheme 1 described invention, it is characterized in that, the above-mentioned portion that is stuck gives prominence to and forms from the side of short side direction one side's side of housing, above-mentioned engaging pawl with the front end of opposed of the side of short side direction one side's side of housing on, be formed with along with from front end towards base end side and the inclined plane that tilts to the inside.
According to this invention, by on the engaging pawl, forming the inclined plane, make the direction deflection laterally gradually of engaging pawl by the portion of being stuck, can engage smooth-goingly.
The invention of technical scheme 3 is characterized in that in technical scheme 1 or 2 described inventions the above-mentioned portion that is stuck is integrally formed on the housing by the abaculus shaping.
According to this invention owing to be stuck portion and be formed on the housing by the abaculus moulding, so the engaging pawl the housing that is made of resin can not sandwiched, can by the engaging pawl be stuck portion's hook structure raising and engage performance.In addition, can form the portion that is stuck easily and correctly to housing.
The invention of technical scheme 4 is in technical scheme 1 or 2 described inventions, it is characterized in that, the above-mentioned portion that is stuck gives prominence to and forms from the side of short side direction one side's side of housing, engaging on opposed of the pawl with above-mentioned, having the inclined plane that tilts towards the above-mentioned another side side direction outside that is opposite to this one side along with one side side from above-mentioned housing.
According to this invention, by forming the inclined plane in the portion being stuck, the direction deflection laterally gradually along the inclined plane that is stuck portion of engaging pawl can engage smooth-goingly.
The invention of technical scheme 5 is in technical scheme 4 described inventions, it is characterized in that, the above-mentioned portion that is stuck is molded on the housing, will be stuck portion and connector portions in the bottom surface of above-mentioned slot part and cuts off and form by the metal parts abaculus that will be formed with the slot part with inclined plane on connector portions and this are stuck the border of portion, and the inclined plane of above-mentioned slot part is the above-mentioned inclined plane that is stuck portion.
According to this invention, by in order to be stuck an inclined plane that becomes the portion of being stuck in two inclined planes that slot part that cutting off of portion and metal parts form has, do not need to be used for operation, so can reduce process number to the portion of being stuck enforcement inclined plane.
As described above, in the present invention, can provide can be with lid easily to the effect of the also stable connector of the assembled state of housing assembling and the situation of installing again, lid even have.
Embodiment
Below, based on the description of drawings embodiments of the present invention.
(execution mode)
Use Fig. 1~Figure 14 that the connector of present embodiment is described.In addition, below being benchmark up and down among Fig. 2, will be made as fore-and-aft direction and describe with the direction of direction quadrature up and down.
The connector of present embodiment as shown in Figure 1 and Figure 2, arrange a plurality of contacts 3 on each the inner conductor 21a (with reference to Fig. 9) that is provided with, is connected the flat cable 2 that imports from the place ahead of housing 1 on possessing along the long roughly rectangular-shaped housing 1 that constitutes by resin of left and right directions, on housing 1 along left and right directions and cover be arranged on housing 1 above the metal lid 4 going up, engage with housing 1.
Housing 1 as shown in Figure 3, by constituting along long roughly rectangular-shaped housing body unit 11 of left and right directions and the restrictions 12 that is respectively formed on the two ends, the left and right sides of housing body unit 11.
Housing body unit 11 forms roughly rectangular-shaped, and the rear alongst is disposed with a plurality of slit hole 11a in the above.And a part that is accommodated in the contact 3 in the housing body 11 is exposed from hole, slit 11a.
In addition, on the front of housing body unit 11, be formed with along the long prominent wall 11b of left and right directions, and then, two close on portion about prominent wall 11b, as shown in Figure 4, are formed with respectively and go up the teat 11c that is formed with the guide channel 11d of essentially rectangular shape along fore-and-aft direction below.And, on prominent wall 11b surface, covering is provided with bending and is the metal reinforcing plates 5 of U word shape roughly, from the left and right directions two ends of metal reinforcing plates 5, extend be provided with along above-mentioned guide channel 11d form, from the outstanding metal portion 6 that is stuck in the front of protuberance 11c.In addition, on the front of teat 11c, be formed with along with from the below towards the upper end and the inclined plane 11g of tilted rearward.
Be stuck portion 6 on its end face (front), be formed with along with from the below towards the upper end and the inclined plane 6a of tilted rearward.
Here, contact 3 and metal reinforcing plates 5, be stuck portion 6 and be integrally formed on the housing 1 by the abaculus moulding.Below, the order of abaculus moulding is described.At first, as shown in Figure 5, the not shown metal pattern that metal parts 8 usefulness that are formed with the metal parts 7 of contact 3 and be formed with metal reinforcing plates 5 and be stuck portion 6 is formed housing 1 sandwiches potting resin in metal pattern.Here, contact 3 is connected with metal parts 7 via the connector portions 7a on the end that is formed on metal parts 7, metal reinforcing plates 5 and be stuck portion 6 and be connected with metal parts 8 via the connector portions 8a on the end that is formed on metal parts 8.
And, as shown in Figure 6, contact 3 and metal parts 7 are cut off at the border L1 of contact 3 with connector portions 7a, again with metal reinforcing plates 5 and be stuck portion 6 and metal parts 8 and cut off in metal reinforcing plates 5 and the border L2 that is stuck portion 6 and connector portions 8a.Like this, can with contact 3 and metal reinforcing plates 5 and to be stuck portion 6 easy and correctly one-body molded on housing 1.
In above-mentioned, on metal parts 8, as shown in Figure 7, on as the position that is stuck portion 6 and the border L2 of connector portions 8a on, be pre-formed the V-shaped valley (slot part) 81 that constitutes by two inclined plane 81a, 81b.In addition, making the portion's of being stuck 6 sides is inclined plane 81a, and making connector portions 8a side is inclined plane 81b.Therefore, as shown in Figure 8, locate in the bottom surface of V-shaped valley 81 (intersection point of inclined plane 81a and inclined plane 81b) to cut off by being stuck portion 6 and connector portions 8a, inclined plane 81a becomes the inclined plane 6a of the portion of being stuck 6, do not need to be used for forming in addition the operation of inclined plane 6a, can reduce process number.In addition, in the present embodiment, being formed with V-shaped valley 81 being stuck on the border L2 of portion 6 and connector portions 8a, is that inclined plane, connector portions 8a side are the cross section slot parts of レ shape roughly of vertical plane but also can form the portion's of being stuck 6 sides.More than, to be stuck portion's 6 sides be that the inclined plane is just passable as long as be formed on the shape of the slot part on the border L2 of the portion of being stuck 6 and connector portions 8a, the shape of slot part is not limited to V word shape or レ shape.
In addition, because a pair of to be stuck portion 6 one-body molded with metal reinforcing plates 5, so when carrying out above-mentioned abaculus moulding, can easily carry out a pair of location that is stuck portion 6.And then, owing to metal reinforcing plates 5 is wound onto on the prominent wall 11b of the housing 1 that is made of resin, so improved the intensity of housing 1.
Restrictions 12 is as Fig. 1~shown in Figure 3, be provided with by extending from the left and right directions end of housing body 11, the size of fore-and-aft direction extend than the little guidance part 12b of housing body unit 11 with from the left and right directions end of guidance part 12b be provided with, the size wide diameter portion 12a bigger than guidance part 12b of fore-and-aft direction constitute.
And, be formed with a pair of guiding walls 11e, the 12c that the interval that separates regulation is opposite to front and the back of guidance part 12b respectively from each side that clips opposed housing body unit 11 of guidance part 12b and wide diameter portion 12a.Thus, in the front face side and the back side of restrictions 12, form the roughly guidance part 13,14 of C type of cross section respectively.
Flat cable 2 is by constituting a plurality of cables 21 with the tabular boundling.Here, each cable 21 is so-called coaxial cable as shown in Figure 9, by circular external conductor 21c being set, on this external conductor 21c surface insulating cover 21d being set and forming via insulation material 21b at the peripheral part of the inner conductor 21a of barred body shape.And each cable 21 along with towards front end, exposes external conductor 21c → insulation material 21b → inner conductor 21a by overburden amount is interim to be increased along with making towards front end successively.
And, flat cable 2 is imported to the housing 1 from the place ahead, the inner conductor 21a soldering of each cable 21 is connected on each contact 3 that is exposed on housing 1 top.In addition, as shown in Figure 2, external conductor 21c is sandwiched from both sides up and down with the tabular a pair of earth rod 9 of essentially rectangular, the two ends, the left and right sides of earth rod 9 are embedded into cross section on the top two ends that are darted at housing body unit 11 respectively roughly in a pair of maintenance wall 11f of コ word shape.And then the extension that will be provided with from the substantial middle extension of earth rod 9 is provided with sheet 9a soldering and is connected on the earthy contact 3 (being accommodated in the substantial middle of housing 1 in the present embodiment).
Lid 4 is by constituting than long flat lid main part 41 of essentially rectangular and the restrictions 42 that is respectively formed on the two ends, the left and right sides of covering main part 41 along left and right directions.Lid main part 41 is formed with engaging pawl 411 than the both ends, edge of front side towards the below, also roughly equally spaced be equipped with many places (being 3 places in the present embodiment) through hole 41a.
As shown in Figure 1 and Figure 2, the a pair of engaging pawl 411 that lays respectively at the both sides of flat cable 2 is formed with switch-in part 411a respectively near the edge of the inboard the front end, be resilient snap-latch piece 411b towards the rear bending than this switch-in part 411a by the part of below.In addition, on the lower end, back of engaging pawl 411, be formed with along with from the lower end towards the top and the inclined plane 411c of tilted rearward.
The base portion 421 of the rectangular flat shape that restrictions 42 extend to be provided with by the two ends, the left and right sides from lid the main part 41 and leading section and the rearward end of base portion 421 constituted towards the holding piece 422,423 that the below bending forms respectively.Here, on the two ends, the left and right sides of base portion 421, between kink 421a, the 421b of front and back, be formed with notch 421c respectively.In addition, in the left and right sides of holding piece 422,423, be equipped with chimeric teat 422a, 423a respectively.
And, covering 4 when being assembled on the box main body 1, at first, holding piece 422,423 is inserted into the guidance part 13,14 of restrictions 12 from the top, as Figure 10~shown in Figure 12, it is moved downwards along guidance part 13,14.Here, chimeric teat 422a, the 423a that is respectively formed on the holding piece 422,423 slides on the inwall of guidance part 13,14.So the inclined plane 11g that the inclined plane 411c of engaging pawl 41 at first is connected to teat 11c upward and along this inclined plane 11g slides, snap-latch piece 411b is (front side) deflection laterally.Then, the inclined plane 6a that the inclined plane 411c of engaging pawl 41 is connected to the portion of being stuck 6 upward and along this inclined plane 6a slides, and snap-latch piece 411b is to the more lateral, promptly to engaging the direction deflection that pawl 41 leaves from housing 11.Then, as Figure 13, shown in Figure 14, be stuck portion 6 if snap-latch piece 411b surpasses, then do not engage the deflection of pawl 411, snap-latch piece 411b enters into the below of the portion of being stuck 6.Like this, engaging pawl 411 is fastened in the portion of being stuck 6, will cover 4 and be fixed on the housing 1.
Here, snap-latch piece 411b and be stuck portion 6 and formed by metal material so the card parts of ending are less mutually even snap-latch piece 411b is with being stuck portion 6, also can guarantee the engaging intensity of wishing, can suppress the size of holding section.In addition, be connected on the earth rod 9, can further improve the assembling intensity of covering 4 pairs of housings 1 by the inwall soldering that will cover 4 through hole 41a.In addition, in guidance part 13,14, block claw stop by holding piece 422,423 intercalations with respect to the location of the engaging pawl 411 that is stuck portion.
More than, the connector of present embodiment is gone into to housing 1 side pressure by covering 4, can easily lid 4 assemblings be fixed on the housing 1.That is, will cover 4 when being assembled on the housing 1, not need to carry out ca(u)lk processing, and can reduce process number, can cutting down cost.
In addition, engaging pawl 411 is owing to be fastened in the portion of being stuck 6 in the inserting side of 2 pairs of housings 1 of flat cable, thus flat cable 2 upward side be subjected under the situation of tensile force, also can suppress to cover 4 and float.Thereby, can prevent that above-mentioned tensile force from acting directly on the coupling part of the conductor portion 21a of cable 21 and contact 3, can stop flat cable 2 and contact 3 broken strings.
In addition, in the time will covering 4 pairs of housings 1 assembling, the engaging pawl 411 of lid 4 does not carry out ca(u)lk and engages by deflection with respect to being stuck portion 6, can be suppressed at the metal fatigue that takes place on the engaging pawl 411 so compare with the situation of ca(u)lk.Therefore, will cover 4 first pulling down from housing 1 under the situation of installing again, also can lid 4 assembling stably.
In addition, in the present embodiment, be formed with snap-latch piece 411b on the pawl 411, but also can replace forming snap-latch piece 411b and form as shown in Figure 15 snap-latch piece 411d in engaging.Snap-latch piece 411d by the opening 411e that forms the essentially rectangular shape on the engaging pawl 411, from the lower side inwall of opening 411e towards below form a pair of switch-in part 411f and be formed between this a pair of switch-in part 411f.Here, snap-latch piece 411d along with from cardinal extremity towards front and to the inside (rear side) tilt, have elasticity.On the lower end, back of the engaging pawl 411 of Figure 15, be formed with along with from the lower end towards the top and the inclined plane 411c of tilted rearward.
More than, with the certain embodiments is that the center has illustrated the present invention, but in the scope of purport of the present invention and claims, in this technical field, various distortion, change or correction can be arranged, thereby, above-mentioned explanation and accompanying drawing do not limit technological thought of the present invention, and should be interpreted as is that illustration is of the present invention.