CN202076451U

CN202076451U - Card rim connector

Info

Publication number: CN202076451U
Application number: CN2011200467769U
Authority: CN
Inventors: 陈大磊
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2011-02-25
Filing date: 2011-02-25
Publication date: 2011-12-14
Anticipated expiration: 2021-02-25

Abstract

The utility model discloses a card rim connector which includes an insulating body extending to the lengthwise direction and conductive terminals accepted in the insulating body. The insulating body is provided with a basal part extending to the lengthwise direction and support arms arranged on the two ends of the basal part and extending to the forward and backward directions. The basal part is provided with a front end face, a rear end face opposite to the front end face, and a slot extending to the lengthwise direction. The slot is provided inside with a buckle, and a plurality of first channels and second channels on the upper and lower sides. Each first or second channel is provided with an upper channel and a lower channel. The conductive terminal is provided with a fixed part fixed in the lower channel and a contact part accepted in the upper channel. The upper channel of at least the first channel or the second channel is provided with a first size of the longitudinal length of one side of the rear end face and a second size of the longitudinal length of one side of the front end face, and the first size is greater than the second size. The upper channel is configured into a structure which has a wide outer part and a narrow inner part, so the action space of the contact part in the upper channel is enlarged while the interferences of the contact part to the upper channel is reduced, thus being favorable to the true position improvement of the conductive terminal.

Description

Bayonet connector

[technical field]

The utility model relates to a kind of bayonet connector, relates in particular to a kind of in order to accommodate the bayonet connector of electronic cards.

[background technology]

At present, generally use bayonet connector in notebook computer to comprise insulating body and be contained in plurality of conductive terminals in the insulating body.Insulating body is provided with along the slot of longitudinally extension and is positioned at the slot spaced plurality of terminals conduit of both sides up and down.Each terminal conduit in the vertical direction is divided into conduit and reaches conduit down, last conduit horizontal-extending on the butt joint direction and on conduit be consistent on the direction in butt joint in size on the longitudinally, following conduit continues to extend internally at medium position after extending a segment distance outside to inside and forms a holding hole.Conducting terminal is provided with contact site, the vertically extending holding parts of autonomous agent subordinate portion and the outward extending weld part of autonomous agent subordinate lateral margin of main part, autonomous body upside edge bending extension.Wherein, contact site is contained in the conduit, and main part and holding parts are contained in down in the conduit and holding parts further is immobilizated in the holding hole.Owing to the mismachining tolerance reason, thereby assembling back conducting terminal causes contact site that skew takes place easily out of position and produces stress with last channel wall interference, in welding process, the insulating body deliquescing of being heated makes stress obtain discharging, in the Stress Release process, the normotopia degree that causes conducting terminal is not good thereby insulating body will deform.

Therefore, a kind of new electric connector of necessary design is to remedy above-mentioned defective of the prior art.

[utility model content]

The technical problem that the utility model solved is to provide a kind of bayonet connector that can effectively improve the normotopia degree of conducting terminal.

For solving the problems of the technologies described above, the utility model can be by the following technical solutions: a kind of bayonet connector, it comprises the insulating body that extends along longitudinally and is contained in conducting terminal in the insulating body, described insulating body is provided with the base portion that extends and is positioned at the base portion two ends and extends along fore-and-aft direction on longitudinally support arm, described base portion is provided with front end face, rear end face relative and the slot that on longitudinally, extends with front end face, this slot is provided with knob of key and last in its inside, following both sides are respectively equipped with some first conduits and second conduit, each first conduit, second conduit all is provided with conduit and reaches conduit down, described conducting terminal is provided with and is immobilizated in down the holding parts in the conduit and is contained in contact site in the conduit, the last conduit of at least the first conduit or second conduit has the first size of the lengthwise that is positioned at rear end face one side and near second size of the lengthwise of front end face one side, and first size is greater than second size.

Compared with prior art, the utlity model has following beneficial effect: go up conduit and be set to structure wide outside and narrow inside, will reduce, help improving the normotopia degree of conducting terminal like this thereby contact site activity space in last conduit becomes big interference with last conduit.

[description of drawings]

Fig. 1 is the three-dimensional assembly diagram of the utility model bayonet connector;

Fig. 2 is the three-dimensional assembly diagram of another angle of the utility model bayonet connector;

Fig. 3 is the three-dimensional exploded view of the utility model bayonet connector;

Fig. 4 is the rearview of the insulating body in the utility model bayonet connector shown in Figure 3;

Fig. 5 is the enlarged drawing of a-quadrant shown in Figure 4;

Fig. 6 is that insulating body in the utility model bayonet connector shown in Figure 4 is along the partial sectional view of A-A line;

Fig. 7 is the cutaway view of the utility model bayonet connector shown in Figure 1 along the B-B line;

Fig. 8 is the cutaway view of the utility model bayonet connector shown in Figure 1 along the C-C line.

[embodiment]

As depicted in figs. 1 and 2, the utility model bayonet connector 100 comprises insulating body 1, is contained in the plurality of conductive terminals 2 in the insulating body 1 and is immobilizated in the metal retainer 3 at insulating body 1 two ends.

As shown in Figure 3, insulating body 1 roughly is " ㄇ " or " door " shape, it comprises that the rectangular-shaped base portion 10 that extends along longitudinally reaches the support arm that is parallel to each other 12 that extends respectively to the same side from base portion 10 two ends, in the present embodiment, support arm 12 is a plastic cement material, certainly in other embodiments, support arm can be made for metal material.The bearing of trend of support arm 12 is defined as fore-and-aft direction, forms the plant space that the subcard of can powering is planted between two support arms 12.Base portion 10 is provided with towards the plant space and the slot 13 that extends on longitudinally, the upper and lower both sides of slot 13 are respectively equipped with some first conduits 14 and second conduit 15 of accommodating conducting terminal 2, first conduit 14 extends to form forward from the rear end face 18 of base portion 10, second conduit is from the formation that extends back of the front end face 19 of base portion 10, and first conduit 14 and second conduit 15 are on longitudinally and are staggered front to back arrangement.Thereby slot 13 is provided with a knob of key 16 at a close wherein support arm 12 places is divided into the different two parts of length with slot 13 on longitudinally, the distance that is knob of key 16 to two support arms 12 is unequal, when electronic cards (not shown) was inserted, this knob of key 16 can play the effect of anti-mis-insertion.Support arm 12 is provided with lateral surface 121 and relative with lateral surface 121 and towards the medial surface 122 in plant space, and medial surface 122 is from being equipped with projection 123 near support arm 12 ends and the skewed guide ramp 124 of formation above projection in the plant space.In addition, below support arm 12, insulating body 1 also is provided with accepting hole 17.

Metal retainer 3 is formed by sheet metal punching press bending, it is provided with the tabular flat part 30 that is held in support arm 12 lateral surfaces 121, this flat part 30 lateral margin on front end is bent with guidance part 31 and clicking section 32 successively towards the plant space, guidance part 31 correspondences cover on the guide ramp 124, clicking section 32 then is retained on the end of support arm 12, when electronic cards is taken out, outwards open so that electronic cards pops up thereby can promote clicking section 32 drive support arms 12 towards support arm 12 outsides.This flat part 30 further is bent with in the horizontal direction the support portion 33 of extending, extends at fore-and-aft direction from the front end lower lip, from the rear end lower lip towards the plant space fixed part 34.Support portion 33 can play a supportive role to electronic cards, and 34 of fixed parts are immobilizated in accepting hole 17 in the insulating body 1 to prevent that metal retainer 3 is from support arm 12 accidental.Fixed part 34 is provided with horizontally extending weld part 35 and and upwardly extending blocking part 36 vertical with weld part behind the oblique extension down in the place ahead one segment distance, blocking part 36 is held in the medial surface 122 of support arm 12 more closely metal retainer 3 is engaged on the support arm 12.Weld part 35 further is provided with oval-shaped hole 350 at middle position, thereby reaches better welding effect to increase solder area.

To shown in Figure 7, each first conduit, 14 in the vertical direction is divided into conduit 141 and reaches conduit 142 down as Fig. 3.Last conduit 141 is from rear end face 18 horizontal-extending and run through insulating body 1 on fore-and-aft direction forward.Following conduit 142 continues to extend forward and form a holding hole 143 at the place, centre position after rear end face 18 extends a segment distance forward.Conducting terminal 2 comprises the first terminal 21 that is contained in second terminal 22 in first conduit 14 and is contained in second conduit 15.Wherein, second terminal 22 comprises vertically the weld part 224 that extend towards insulating body 1 outside lateral margin extends obliquely on the main part 221 that extends, the autonomous vertically extending holding parts 222 of body 221 lower lip, the autonomous body 221 contact site 223 and autonomous body 221 bottoms.The contact site 223 of second terminal 22 is contained in the conduit 141, and main part 221 and holding parts 222 are contained in down conduit 142 and holding parts 222 and further are immobilizated in down holding hole 143 in the conduit 142.In the present embodiment, last conduit 141 has the first size a of the lengthwise that is positioned at rear end face 18 1 sides and near the second size b of the lengthwise of front end face 19 1 sides, last conduit 141 diminishes and the trend that tapers off on fore-and-aft direction from back to front gradually in the size on the longitudinally, thereby makes the first size a of conduit 141 on longitudinally greater than the second size b (as shown in Figure 6).And for better fixing main part 221 and holding parts 222, following conduit 142 should not be set to structure wide outside and narrow inside, and therefore, following conduit 142 remains unanimity at size c on the longitudinally on fore-and-aft direction.In a preferred embodiment, last conduit 141 is identical with following conduit 142 size c on longitudinally at the second size b on the longitudinally, accordingly, last conduit 141 at the first size a on the longitudinally greater than following conduit 142 size c on longitudinally.Like this, because last conduit 141 is horn mouth shape wide outside and narrow inside, the contact site 223 of second terminal 22 is easier to insert conduit 141, and contact site 223 activity space in last conduit 141 becomes big, even contact site 223 can wholely not interfere with last channel wall because of alignment error deflects yet, interfere with last channel wall is local the contact 2230 that only may be contact site 223, the stress of Chan Shenging is less relatively like this, and deficiency in welding process is so that insulating body 1 deforms and cause the coplane degree of second terminal 22 not good.

More than be the utility model better embodiment, as shown in Figure 3, the first terminal 21 and second terminal, 22 structural similarities comprise second main part 211, second holding parts 212, second contact site 213 and second weld part 214 accordingly with second terminal 22.And second conduit 15 also with first conduit, 14 structural similarities, include conduit 151 and second time conduit 152 (as shown in Figure 8) on second, therefore, also can be set to structure wide outside and narrow inside good with the coplane degree that guarantees the first terminal 21 for conduit 151 on second.

Claims

1. bayonet connector, it comprises the insulating body that extends along longitudinally and is contained in conducting terminal in the insulating body, described insulating body is provided with the base portion that extends and is positioned at the base portion two ends and extends along fore-and-aft direction on longitudinally support arm, described base portion is provided with front end face, rear end face relative and the slot that on longitudinally, extends with front end face, this slot is provided with knob of key and last in its inside, following both sides are respectively equipped with some first conduits and second conduit, each first conduit, second conduit all is provided with conduit and reaches conduit down, described conducting terminal is provided with and is immobilizated in down the holding parts in the conduit and is contained in contact site in the conduit, it is characterized in that: the last conduit of at least the first conduit or second conduit has the first size of the lengthwise that is positioned at rear end face one side and near second size of the lengthwise of front end face one side, and first size is greater than second size.

2. bayonet connector as claimed in claim 1 is characterized in that: the described conduit of going up successively decreases on fore-and-aft direction from back to front in the size on the longitudinally.

3. bayonet connector as claimed in claim 2 is characterized in that: described conduit down is consistent on fore-and-aft direction in the size on the longitudinally.

4. bayonet connector as claimed in claim 3 is characterized in that: described go up conduit at the first size of longitudinally greater than the size of conduit on longitudinally down.

5. bayonet connector as claimed in claim 4 is characterized in that: described upward conduit is measure-alike on longitudinally at second size on the longitudinally and following conduit.

6. as each described bayonet connector in the claim 1 to 5, it is characterized in that: described bayonet connector also is provided with metal retainer, and correspondence is installed on the support arm.

7. bayonet connector as claimed in claim 6 is characterized in that: described insulating body is provided with accepting hole below support arm, and described metal retainer is provided with the fixed part that is immobilizated in accepting hole.

8. bayonet connector as claimed in claim 7 is characterized in that: the distance of described knob of key to two support arm is unequal.

9. bayonet connector as claimed in claim 8 is characterized in that: described fixed part is provided with horizontally extending weld part.

10. bayonet connector as claimed in claim 9 is characterized in that: described weld part is provided with hole at middle position.