CN2432695Y - Electric card connector - Google Patents

Abstract

The utility model relates to an electric card connector. The utility model comprising an insulative main body, a conductive terminal and a card withdrawing mechanism, wherein, the card withdrawing mechanism comprises a push rod, a first elastic body and a push block, and a brake block is arranged between the push block and the push rod; when the insertion and the connection of an electronic card are accomplished, the first elastic body is compressed to store energy; when the electronic card is withdrawn, force is applied to the push block, the brake block is caused to loosen the first elastic body, the stored energy of the first elastic body is released to push the push rod, and the electronic card connected and inserted in an electronic card connector is caused to smoothly withdraw.

Description

Electronic card coupler

The relevant a kind of electronic card coupler of the utility model refers in particular to a kind of electronic card coupler that is used to electrically connect electronic cards and circuit board.

The prior art relevant with the utility model can be consulted United States Patent (USP) RE.35, and 938,5,456,610 and 5,139, shown in the cases such as No. 435.The trip mechanism of these existing electronic card couplers is realized moving back the card function by lever principle mostly, comprises that group is located at the push rod of electronic card coupler one side and the push rod that group is located at the adjacent side of electronic card coupler, and is provided with an ejector at push rod one end.In addition, for ease of moving back card, push rod traverses setting in electronic card coupler one side usually, and like this when moving back card, ejector one end of push rod can produce bigger active force and displacement and electronic cards is withdrawed from.But the push rod of these trip mechanisms is for traversing setting, and certain positioner also must be set to form the fulcrum of lever, is unfavorable for like this reducing the product whole height and opposing with light, thin, short, the little development trend of electronic building brick.And, the push rod of its trip mechanism adopts similar chute to match with the structure of slide block to realize the function of push rod braking mandril with push rod usually, the two need has higher quality of fit and is unfavorable for making like this, and active force may be led system chute and slide block when excessive and is separated and can't realizes intended function.Moreover these existing structures realize moving back the card function by leverage, need apply bigger active force like this when operation and are unfavorable for operation readiness.

The utility model purpose is to provide a kind of electronic card coupler with easy and simple to handle and trip mechanism of operating reliably.

The purpose of this utility model is achieved through the following technical solutions: the utility model electronic card coupler comprises insulating body, conducting terminal and trip mechanism, wherein trip mechanism comprises push rod, first elastomer and pushing block, it is characterized in that, be provided with a brake block that is used to control the first elastomer store energy and release between pushing block and the push rod.

Advantage of the present utility model is: the trip mechanism of electronic card coupler is simple in structure, is easy to manufacture and assemble, and can reaches the effect that need not just to withdraw from than big active force electronic cards.

Below in conjunction with drawings and Examples the utility model is further described.

Fig. 1 is the three-dimensional exploded view of the utility model electronic card coupler.

Fig. 2 is the three-dimensional exploded view of another angle of the utility model electronic card coupler.

Fig. 3 is the three-dimensional combination figure of the utility model electronic card coupler when initial condition.

Schematic perspective view when Fig. 4 inserts the utility model electronic card coupler for electronic cards.

Partial sectional view when Fig. 5 inserts the utility model electronic card coupler for electronic cards.

Fig. 6 is the schematic diagram of electronic cards when the utility model electronic card coupler withdraws from.

Fig. 7 is the partial sectional view of electronic cards when the utility model electronic card coupler withdraws from.

See also Fig. 1, Fig. 2 and Fig. 3, the utility model electronic card coupler 1 comprises insulating body 10, conducting terminal 12 and trip mechanism 13, wherein insulating body 10 comprises base plate 100 and is located at first, second sidewalls 101,102 of base plate 100 both sides, this base plate 100 surrounds the receiving space of accommodating electronic cards 2 (shown in Figure 4) with first, second sidewall 101,102, and base plate 100 front ends are provided with several terminal containing slots that runs through base plate 100 103 near second sidewall, 102 places.The first side wall 101 is the extension of the direction towards receiving space from lateral border 1011, and the openend of pegging graft in electronic cards 2 forms a reception room 104, be provided with a block 105 in this reception room 104, and 1012 of the medial margins of this block 105 and the first side wall 101 form a bayonet socket 106.In addition, the medial margin 1012 of the first side wall 101 and block 105 contiguous receiving space one sides are concaved with a stepped guide groove 107, and base plate 100 contiguous the first side wall 101 1 sides are provided with the groove 108 that connects with described guide groove 107.In addition, be provided with the opening 109 that communicates with reception room 104 at 1011 of the lateral borders of the first side wall 101, and be provided with two holding holes that do not run through 110 at insulating body 10 front ends.First, second sidewall 101,102 upper surfaces are provided with reference column 111, provide positioning action when circuit board (not shown) is gone up to be soldered at electronic card coupler 1.Second sidewall, 102 lateral borders are provided with a draw-in groove 112, and welding foot 113 is installed on the insulating body 10 by matching with draw-in groove 112 corresponding device for clamping.

12 groups of conducting terminals are located in the terminal containing slot 103 of insulating body 10, comprise location division 120, be located at the contact site 121 of location division 120 1 ends and be located at the weld part 122 of the location division 120 relative other ends, wherein contact site 121 is provided with an arc convex 123, can be after 12 groups of conducting terminals be located at insulating body 10, protrude base plate 100 surfaces with insert electronic card coupler 1 receiving space in electronic cards 2 electrically dock, weld part 122 is then parallel with location division 120, and by linking to each other, so that conducting terminal 12 weld parts 122 are positioned at same plane in order to welding with welding foot 115 with the two vertical connecting portion 124.

Trip mechanism 13 comprises first elastomer 130, pushing block 131, push rod 136, second elastomer 142 and brake block 143.In the present embodiment, first elastomer 130 and second elastomer 142 are linear helical spring.Pushing block 131 1 sides are provided with a guide vane end stop 135, and opposite side is provided with a chute 132 relatively.This chute 132 comprises transverse groove 133 that is located at the pushing block 131 relative other ends and the oblique slot 134 that extends to pushing block 131 surfaces with certain inclination angle at transverse groove 133 ends.The top 138 that push rod 136 comprises a vertical portion 137 and is provided with at vertical portion 137 1 end vertical extent, these 138 bottom surfaces, top and vertical portion 137 bottom surfaces are suitable difference in height, and the opposite side with respect to top 138 in the vertical portion 137 is provided with a fin 139, one end of this fin 139 is a catch surface 140, and is forming conduit 141 above the fin 139.Brake block 143 comprises a shape body portion 144 and is located at the buckle 145 of main part 144 1 ends, and the opposite side with respect to buckle 145 is provided with guide pillar 146 on the main part 144.

During assembling, earlier with first, second elastomer 130,142 respectively group be located in the reception room 104 of the holding hole 110 of insulating body 10 and the first side wall 101, wherein second elastomer, 142 other ends are connected on the top of pushing block 131, then pushing block 131 is inserted in the reception room 104, simultaneously 143 groups of brake block are located in the bayonet socket 106, wherein the guide pillar 146 of brake block 143 is housed in the oblique slot 134 of chute 132 of pushing block 131, at last 136 groups of push rods are located in the first side wall 101, wherein the vertical portion 137 of push rod 136 is contained in the groove 108 of base plate 100, the fin 139 of push rod 136 then is housed in the guide groove 107, and the bottom surface of push rod 136 front top 138 can connect with base plate 100 upper surfaces.In initial condition, first and second elastomer 130,142 all is in release condition, the buckle 145 of brake block 143 is housed on the last conduit 141 of push rod 136, and the guide vane end stop 135 of push rod 136 1 sides is held in the first side wall 101 openings 109 near electronic cards 2 grafting openings one side.

Please cooperate and consult Fig. 4 and Fig. 5, when electronic cards 2 is inserted electronic card coupler 1, the top 138 that electronic cards 2 leading edges promote push rod 136 is moved push rod 136, first elastomer, 130 compressions simultaneously, the buckle 145 of brake block 143 conduit 141 on push rod 136 moves down and is fastened in the catch surface 140 of fin 139, the guide pillar 146 of brake block 143 moves to the intersection of oblique slot 134 and transverse groove 133 from oblique slot 134 simultaneously, angle by 133 of oblique slot 134 and transverse grooves makes guide pillar 146 produce self-lockings and reverse elastic force that 130 compressions of balance first elastomer produce, and electronic cards 2 firmly is housed in the electronic card coupler 1 like this.

See also Figure 6 and Figure 7, when moving back card, applying as shown by arrows at pushing block 131, the power F of direction makes it produce displacement, and second elastomer 142 that offsets with pushing block 131 1 ends is compressed, this moment, the guide pillar 146 of brake block 143 moved to oblique slot 134 tops from oblique slot 134 and transverse groove 133 intersections, the buckle 145 of brake block 143 is separated and moves up and be housed in the conduit 141 with the catch surface 140 of fin 139 like this, first elastomer 130 borrows elastic-restoring force to promote push rod 136 toward electronic cards 2 interfaces one side shifting, and electronic cards 2 is withdrawed from.And after removing external force, second elastomer 142 is released, and brake block 143 guide pillars 146 move to transverse groove 133 from oblique slot 134 tops and return back to initial condition.

In the whole operation process, be initial condition, plug-in card state and move back the card state, the guide pillar 146 of brake block 143 lays respectively between oblique slot 134 tops and transverse groove 133 intersections, oblique slot 134 and three positions of transverse groove 133 intersections and oblique slot 134 tops, and the position of control brake piece 143 buckles 145 is to control the storage or the release of first elastomer, 130 energy.

Claims (11)

1. electronic card coupler, be used to realize be electrical connected between electronic cards and circuit board, comprise insulating body, conducting terminal and trip mechanism, wherein trip mechanism comprises push rod, first elastomer and pushing block, it is characterized in that: be provided with the brake block that is used to control the first elastomer store energy and release between pushing block and the push rod.

2. electronic card coupler as claimed in claim 1 is characterized in that: insulating body comprises base plate and is located at first and second sidewall of base plate both sides, and base plate and first, second sidewall one common peripheral are made as the receiving space of accommodating electronic cards.

3. electronic card coupler as claimed in claim 2 is characterized in that: the contiguous the first side wall of the front end of insulating body place is provided with accommodates the first elastomeric holding hole.

4. electronic card coupler as claimed in claim 3 is characterized in that: trip mechanism also is provided with one second elastomer, and first, second elastomer is linear helical spring.

5. electronic card coupler as claimed in claim 4 is characterized in that: the first side wall one end of insulating body is concaved with a reception room, is provided with block in the reception room, and forms a bayonet socket between this block and the first side wall inwall.

6. electronic card coupler as claimed in claim 5 is characterized in that: contiguous receiving space one side of the first side wall and block is provided with a guide groove, and base plate is provided with the groove that is connected in guide groove at contiguous the first side wall place.

7. electronic card coupler as claimed in claim 6 is characterized in that: the first side wall is provided with the opening that is connected with reception room at the opposite side with respect to receiving space.

8. electronic card coupler as claimed in claim 7, it is characterized in that: push rod comprises vertical portion and the top that is provided with at vertical portion one end vertical extent, and vertical portion is provided with a fin at the opposite side with respect to the top, and fin upper surface and vertical portion upper surface have certain drop, and forming conduit on, fin one end then is formed with a catch surface.

9. electronic card coupler as claimed in claim 8 is characterized in that: brake block comprises a shape body portion and at the buckle of main part one end, and is provided with a guide pillar at the relative opposite side that main part is provided with buckle one side.

10. electronic card coupler as claimed in claim 9 is characterized in that: pushing block one side is provided with the chute of accommodating guide pillar, and opposite side is provided with the guide vane end stop that matches with the first side wall opening relatively.

11. electronic card coupler as claimed in claim 10 is characterized in that: chute comprises a transverse groove and the oblique slot that extends at certain inclination angle, the terminal edge of transverse groove.

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