CN201741859U

CN201741859U - Card edge connector

Info

Publication number: CN201741859U
Application number: CN2010205067202U
Authority: CN
Inventors: 何小康
Original assignee: Shenzhen Techaser Technologies Co Ltd
Current assignee: Shenzhen Techaser Technologies Co Ltd
Priority date: 2010-08-26
Filing date: 2010-08-26
Publication date: 2011-02-09
Anticipated expiration: 2020-08-26

Abstract

The utility model relates to a card edge connector, which comprises a substrate and a plurality of signal springs. The substrate comprises two opposite side walls and two connecting parts connected with the two side walls. A slot is formed between the two side walls. Each side wall is provided with a plurality of first through holes. The signal springs are inserted into the substrate from one end of the slot. Each signal spring comprises an insulating main body and a signal terminal fixed in the insulating main body, wherein the insulating main body comprises two first side surfaces parallel to the side walls. Each side wall further comprises a plurality of bumps respectively positioned in the first through holes. Each signal springs are outwards convexly provided with a hooking part which is accommodated in the first through hole and is coated on the bump. The hooking parts stop the bumps from moving outwards, limit the two side walls of the substrate from moving outwards and prevents the substrate from being deformed.

Description

Bayonet connector

[technical field]

The utility model relates to a kind of bayonet connector, especially a kind of bayonet connector with signal reed.

[background technology]

Usually bayonet connector has a plurality of signal reeds, and per two signal reeds constitute a signal reed group, shield blade is set between two adjacent signals reed groups prevents crosstalking between the stop signal.Existing a kind of bayonet connector, it comprises a pedestal, a plurality of signal reed group and a plurality of signal shielding sheet.Pedestal has two relative sidewalls, forms a slit between described two sidewalls, all is provided with a plurality of through holes on described two sidewalls.The both sides of each signal reed outwards convex with a projection respectively.Signal reed group is inserted pedestal from the bottom of slit, and described projection is inserted in the described through hole, and described signal reed group is fixed in the pedestal.When described signal reed group is inserted described pedestal; because the width at described signal reed group projection position place is greater than the width of described slit; the two side of described pedestal is outwards moved; in addition; assembling bayonet connector in the process of circuit board; usually can use external force to press down the two side of described pedestal, further make the two side outwards move, cause the pedestal distortion.

[summary of the invention]

In order to solve the technical problem of prior art bayonet connector pedestal distortion, be necessary to provide a kind of pedestal on-deformable bayonet connector.

A kind of bayonet connector, it comprises a pedestal and a plurality of signal reed.Described pedestal comprises two relative sidewalls and two connecting portions that connect described two sidewalls, forms a slit between described two sidewalls, all is formed with a plurality of first through holes on each sidewall.Described signal reed inserts described pedestal from an end of slit, and described signal reed comprises an insulating body and a pair of signal terminal that is immobilizated in the described insulating body, and insulating body comprises two first sides with parallel sidewalls.Described sidewall further comprises a plurality of projections that lay respectively in first through hole, and the signal reed outwards convexes with one and is contained in the hook part that coats described projection in described first through hole from each first side.

Compared with prior art, the sidewall of the utility model bayonet connector has the projection that is positioned at first through hole, and the hook part of signal reed coats described projection, stops that described projection outwards moves, and limits described pedestal two side and outwards moves, and prevents the pedestal distortion.

[description of drawings]

Fig. 1 is the part stereogram of the utility model bayonet connector.

Fig. 2 is the vertical view of bayonet connector shown in Figure 1.

Fig. 3 is the part stereogram of the pedestal of bayonet connector shown in Figure 1.

Fig. 4 shows the enlarged drawing of part D for bayonet connector circle shown in Figure 3.

Fig. 5 is the cutaway view of pedestal shown in Figure 3 along the A-A line.

Fig. 6 is the stereogram of bayonet connector one signal reed shown in Figure 1.

Fig. 7 is the front view of signal reed shown in Figure 6.

Fig. 8 shows the enlarged drawing of part E for signal reed circle shown in Figure 7.

Fig. 9 is the stereogram of bayonet connector one signal reed group shown in Figure 1.

Figure 10 is the cutaway view of bayonet connector shown in Figure 1 along the B-B line.

[embodiment]

See also Fig. 1 and Fig. 2, the bayonet connector shown in the figure is a preferred embodiment of the present utility model, and it comprises a pedestal 1, a plurality of signal reed group 2 and a plurality of signal shielding sheet 3.Pedestal 1 comprises two relative sidewalls 13 and connects the connecting portion (not label) of above-mentioned two sidewalls 13, form a slit 12 between above-mentioned two sidewalls 13, signal reed group 2 and signal shielding sheet 3 insert pedestal 1 by the bottom of slit 12, except that two pairs of signal reed groups that are positioned at the end, remaining described signal reed group 2 and described signal shielding sheet 3 are provided with at interval.

See also Fig. 3, Fig. 4 and Fig. 5, all be formed with a plurality of first through hole 15 of described signal reed group 2, a plurality of second through hole 16 and a plurality of projections 18 that lay respectively in described first through hole 15 that are used for fixing described signal shielding sheet 3 of being used for fixing on each sidewall 13.Described first through hole 15 is roughly rectangle, surround by four end to end planes 17, described projection 18 is positioned on the plane 17 that is close to described slit 12 bottoms also coupled, described projection 18 has first end face 60 and vertical first end face 61 that is connected the plane 17 of described first end face 60 and described adjacent slots 12 bottoms away from slit 12 bottoms, described first end face 61 is parallel to described sidewall 13, and described first end face 60 is perpendicular to described sidewall 13.

See also Fig. 6 to Figure 10, each signal reed group 2 is assembled by a signal reed 201 with compared to another same signal reed of 180 ° of described signal reed 201 flip horizontals and is formed.

Signal reed 201 comprises an insulating body 20 and a pair of signal terminal 21.Insulating body 20 comprises two first relative sides 50, be connected in two second sides 51 between described two first sides 50 and outwards be convexly equipped with from the top of first side 50 one be contained in the hook part 22 that coats described projection in described first through hole, described first side 50 is parallel to the sidewall 13 of described pedestal 1.Described hook part 22 has the bottom surface 62, one and projection 18 corresponding groove 63 and adjacent with described groove 63 and away from the protuberance 70 of first side 50 of a contiguous bottom, and described bottom surface 62 is perpendicular to described first side 50.Described groove 63 is made of with described first side 50 second opposed end faces 65 first side 50 and that one second end face 64, hook part 22 connects, and described second end face 65 is parallel to described first side 50 and vertical described second end face 64 of connection and described bottom surface 62.Distance L 1 between two relative projection 18 outermost is the distance L 2 between the most inboard smaller or equal to 201 liang of protuberances of a signal reed 70.Described second end face 65 in assembling back joins with described first end face 61, can contact or leave a narrow and small gap, and described projection 18 is between first side 50 and described protuberance 70 at 22 places, described hook part.

Described second side 51 comprises a longitudinal centre line CC ₁, be positioned at described longitudinal centre line CC ₁One first raised line 53 and one first groove 54 in left side are positioned at one second raised line 55 and one second groove 56 on longitudinal centre line right side.Above-mentioned first and second raised

line

53,55 and above-mentioned first and second groove 54,56 are strip.The pattern curve of first raised line 53 and second groove 56 is about longitudinal centre line CC ₁Symmetry.Second groove 56 of one signal reed, 201 insulating bodies 20 is used to engage first raised line 53 of another signal reed 201 insulating bodies 20.The pattern curve of second raised line 55 and first groove 54 is about longitudinal centre line CC ₁Symmetry.First groove 54 of one signal reed, 201 insulating bodies 20 is used to engage second raised line 55 of another signal reed insulating body.Signal terminal 21 comprises that one is immobilizated in the body (not shown) in the insulating body 20, from the contact site 24 of body to the extension of slit 12 tops, and from the Plug Division 25 of body to the extension of slit 12 bottoms.The Plug Division 25 of two signal terminals 21 is located along the same line with first raised line 53 and second raised line 55 respectively.

Second end face 65 of the hook part 22 of first end face 61 of the projection 18 of pedestal 1 and signal reed 2 all is parallel to the situation of first side, 50 settings in present embodiment, and the utility model also comprises following several mode:

I) except that situation shown in Figure 8, when first end face 61 of the projection 18 of pedestal 1 is parallel to first side 50, second end face 65 of hook part 22 and the angle of first side can be provided with arbitrarily, but the angle of second end face 65 of hook part 22 and first side better effects if when spending greater than 90.

Ii) be obliquely installed and the angle of relative first side 50 when being the obtuse angle when first end face 61 of the projection 18 of pedestal 1, second end face 65 of the hook part 22 that cooperates with projection 18 and the angle between first side are provided with less than 90 degree.

Iii) when first end face 61 of the projection of pedestal 1 was obliquely installed and is acute angle with respect to the angle of first side 50, second end face 65 of hook part 22 and the angle of first side 50 can be provided with arbitrarily.

During assembling, described signal reed group 2 is inserted pedestal 1 from the bottom, make hook part 22 insert in first through hole 15, described projection 18 is contained in the described groove 63, described protuberance 70 and described projection 18 connect or the two between leave an acceptable slit, described projection 18 is between first side 50 and protuberance 70.

Compared with prior art, the sidewall 13 of the utility model bayonet connector has the projection 18 that is positioned at first through hole 15, and the hook part 22 of signal reed 201 coats described projection 18, stops that described projection 18 outwards moves, limit described pedestal 1 two side 13 and outwards move, prevent pedestal 1 distortion.

Protection range of the present utility model is not limited to the description of the foregoing description, and all any improvement of making on this basis are also in protection range of the present utility model; For example: the angle between described first side 50 of the described bottom surface 62 of the hook part 22 of signal reed 2 and described insulating body 20 is set to the obtuse angle, and bottom surface 62 can be played hook part 22 is directed to effect in first through hole 15 like this; First end face 60 of the projection 18 of pedestal 1 also can be arranged in parallel with bottom surface 62 simultaneously, can strengthen the engaging force between projection 18 and the hook part 22 thus when guaranteeing guide function, prevents that hook part 22 from skidding off from projection 18.Projection 18 in described first through hole 15 also can be positioned on other three planes 17, and the groove 63 of described hook part 22 is also changed into and described projection 18 corresponding positions accordingly.

Claims

1. bayonet connector, it comprises a pedestal and a plurality of signal reed, described pedestal comprises two relative sidewalls and two connecting portions that connect described two sidewalls, form a slit between described two sidewalls, all be formed with a plurality of first through holes on each sidewall, described signal reed inserts described pedestal from an end of slit, described signal reed comprises an insulating body and a pair of signal terminal that is immobilizated in the described insulating body, insulating body comprises two first sides with parallel sidewalls, it is characterized in that: described sidewall further comprises a plurality of projections that lay respectively in first through hole, and the signal reed outwards convexes with one and is contained in the hook part that coats described projection in described first through hole from each first side.

2. bayonet connector as claimed in claim 1 is characterized in that: described hook part comprises the groove of accommodating described projection and adjacent with described groove and away from the protuberance of first side, and described protuberance and described projection join.

3. bayonet connector as claimed in claim 2 is characterized in that: described first through hole is surrounded by four end to end planes, and described projection is positioned on the plane of adjacent signal reed insertion end.

4. bayonet connector as claimed in claim 3, it is characterized in that: described projection has one and is connected first end face on described first end face and plane, projection place with one away from first end face of signal reed insertion end, and described first end face is parallel to described first side.

5. bayonet connector as claimed in claim 4, it is characterized in that: described groove is made of with the described first side second opposed end face first side and that one second end face, described hook part connect, and the angle between described second end face and described first side is to spend greater than 90.

6. bayonet connector as claimed in claim 3, it is characterized in that: described projection has one and is connected first end face on described first end face and plane, projection place with one away from first end face of signal reed insertion end, and the angle between described first end face and described first side is the obtuse angle.

7. bayonet connector as claimed in claim 6, it is characterized in that: described groove is made of with the described first side second opposed end face first side and that one second end face, described hook part connect, and the angle between described second end face and described first side is spent less than 90.

8. bayonet connector as claimed in claim 3, it is characterized in that: described projection has one and is connected first end face on described first end face and plane, projection place with one away from first end face of signal reed insertion end, and the angle between described first end face and described first side is an acute angle.

9. bayonet connector as claimed in claim 3 is characterized in that: described hook part comprises the bottom surface of an adjacent signal reed insertion end, and the angle between described bottom surface and described first side is right angle or obtuse angle.

10. bayonet connector as claimed in claim 9 is characterized in that: described projection has first end face away from signal reed insertion end, and described first end face is parallel to described bottom surface.