CN2377731Y - Locking device - Google Patents

Abstract

The utility model relates to a locking device for fixing an electric card type element inserted in a clamping edge electric connector. The utility model can be directly assembled and disassembled on the clamping edge electric connector without using tools. The utility model mainly comprises a holding frame part which encompasses the side walls of the electric connector, and a pressing part which is used for directly pressing the holding frame to have the function of connection is convexly arranged on the top edge of the side wall of the holding frame. Each bottom edge of the side wall corresponding to the pressing part is provided with a groove for intensifying the springiness of both of the two side walls. Besides, the top and the bottom edges of the side walls are provided with a plurality of convex bodies respectively. Through slots are arranged on both two extension walls extending from both end edges of each of the side walls. A wrenching handle which can be used for buckling and holding the electric card type element is arranged on one extension wall.

Description

Fixture

The utility model is about a kind of fixture, refers in particular to a kind ofly to be used for fixing the electronics cassette element that is plugged on the jammed edge electric connector, and need not the directly fixture of assembly and disassembly on this jammed edge electric connector of tool using.

Because computer main circuit board function is limited,, jammed edge electric connector must be set on main circuit board expands the cassette module combinations with winding for promoting the function of computer.And be the steadiness that increases cassette module combination and its winding, usually need adopt fixture.Initial design can be with reference to No. the 79103934th, TaiWan, China patent application, it fixedly is equiped with fixture on cassette module makes up, borrow this fixture and computer chassis to be interlockingly connected fixing and cassette module is made up with the relative position relation of main circuit board and stablize.Yet along with cassette module makes up miniaturization day by day, and the position of various elements also constantly changes along with the computer volume-diminished on the main circuit board, and this fixed form that is interlockingly connected by fixture and computer chassis is apparent can not to be suitable for.Therefore, currently used design usually is to be provided with cassette module to be made up affixed fixture near the jammed edge electric connector periphery, and relevant patent can be with reference to cases such as No. the 86215468th, 86219634, TaiWan, China patent applications.Seeing also Fig. 1 is the disclosed a kind of three-dimensional exploded view that is arranged on the fixture of jammed edge electric connector periphery of prior art, as shown in the figure, this fixture 8 includes a ㄩ type fixed mount 80, two spacers 84, four bolts 86 and four double-screw bolts 88 and forms, it is to be fixed on the main circuit board 9 and inside contains jammed edge electric connector (not shown), cassette module combination (not shown) can be plugged in this jammed edge electric connector (not shown), and the group connecting part 810 of fixed mount 80 both sides by fixture 8 is fixed unlikely rocking with cassette module combination (not shown).Yet, these fixture 8 members are more, assemble cumbersome, and need cost than long built-up time, even the assembling of partial component also needs the employing instrument to finish, obviously be unfavorable for saving man-hour, more, be unfavorable for the reduction of cost because it need adopt the part of some special manufacturings such as bolt 86 etc.

The purpose of this utility model is to provide a kind of fixture, its tool free and can directly being assembled on the electric connector or directly dismounting, and can assemble fast and can save man-hour, and its structure simplify, easy to manufacture, can effectively reduce cost.

Creation purpose of the present utility model is achieved through the following technical solutions: the utility model fixture mainly comprises the frame portion of accommodating, this is accommodated frame portion and has the sidewall that surrounds electric connector, respectively be extended with two wall extensions at sidewall two ora terminalis again, and be formed with groove, and wherein the wall extension of a side is provided with trigger piece, and this trigger piece is provided with can detain the spigot of holding electronics cassette element.It is characterized in that: the convex portion that exerts pressure that can produce the winding function for the direct application of force thereon that is provided with in sidewall apical margin appropriate position of accommodating frame portion.

According to above-mentioned creation characteristic, the exert pressure appropriate position of portion of each sidewall root edge correspondence of the frame portion of accommodating of fixture offers groove, to increase the elasticity of two side.

According to above-mentioned creation characteristic, fixture more has two wall extensions at each inside vertical extent of two ora terminalis of sidewall, respectively be formed with groove between these wall extensions, and two wall extensions of homonymy is connected with connecting portion all.

Compared with prior art, advantage of the present utility model is: the fixture tool free just can directly be assembled on the electric connector or directly dismounting, thereby can realize fast assembling and can save man-hour, and its structure simplify, easy to manufacture, can effectively reduce cost.

The utility model is further described below in conjunction with drawings and Examples.

Fig. 1 is the three-dimensional exploded view of existing fixture.

Fig. 2 is a stereogram of the present utility model.

Fig. 3 is the stereogram of jammed edge electric connector assembled relation on the utility model and the circuit board.

Fig. 4 to Fig. 6 is the utility model and the end view that is located at the jammed edge electric connector assembling situation continuous action signal on the circuit board.

Fig. 7 is the utility model insert group electronics cassette element and it is buckled the vertical view of holding or discharging signal.

See also shown in Figure 2, the utility model fixture 1 is by plastic cement material one ejection formation, it includes the frame portion 10 of accommodating of rectangular frame shape, this accommodates the two opposite side walls 11 that frame portion 10 includes lengthwise, apical margin 110 appropriate positions of these sidewalls 11 upwards vertically convex with a pair of portion 12 that exerts pressure, and offer the groove 13 that vertically is provided with in the exert pressure appropriate position of portion 12 of each sidewall 11 root edges 111 correspondence, so that can stagger and the preferable elasticity of tool at this place when deformation take place in two side 11.Apical margin 110 and root edge 111 at these sidewalls 11 respectively is provided with several convex bodys 14 again.In addition, two ora terminalis, 112 each inside one vertical extent of these sidewalls 11 have the wall extension 15 that two opposite side walls is connected together, and on the appropriate location of these wall extension 15 sides, respectively form groove 16,17, wherein a groove 16 is a rectangle, and sidewall 150 apical margins 1500 of the wall extension 15 at these groove 16 places are connected by the outer arc connecting portion of opening 18.Groove 17 as for opposite side is that chamfer is trapezoidal, and sidewall 150 root edges 1501 of its other wall extension 15 are to be connected by tabular connecting portion 19.The trigger piece 20 that is provided with the L type is extended along longitudinally and away from accommodating frame portion 10 in sidewall 150 appropriate positions at a wall extension 15 of this side, this trigger piece 20 has and accommodates horizontal part 21 that frame portion 10 is connected and the vertical component effect 22 that is provided with vertically upward away from an end of accommodating frame portion 10 at horizontal part 21, and by the end 23 of the oblique extension of the vertical component effect outside level of 22 lateral walls, 220 apical margins, on the side wall surface 210 of this horizontal part 21, be provided with a spigot 211, and this spigot 211 is provided with guide ramp 212 away from the end of horizontal part 21.

See also Fig. 3, when fixture 1 is assembled in the jammed edge electric connector 4 that is located on the circuit board 3, it is jammed edge electric connector 4 to be housed in accommodate in the frame portion 10, several set convex bodys 14 buttons are held on the jammed edge electric connector 4 upper and lower edges and can stablize button and hold jammed edge electric connector 4 on it, the convex body 14 that wherein is located at root edge also can further support and end on circuit board 3, and jammed edge electric connector 4 and fixture 1 can more firmly be organized on circuit board 3.

See also Fig. 4, fixture 1 is connected with group from jammed edge electric connector 4 tops and jammed edge electric connector 4.When the set convex body 14 of fixture 1 root edge is about to be resisted against the end face 40 of jammed edge electric connector 4, but ecto-entad applies an external force F in the portion of exerting pressure 12 (with reference to Fig. 5), make the spacing of the convex body 14 that root edge is oppositely arranged increase to the spacing d2 that is slightly larger than or equals jammed edge electric connector 4 width by width d1 less than jammed edge electric connector 4, and then the cover group is on jammed edge electric connector 4 easily to make fixture 1, and the set convex body 14 of fixture root edge this moment struts on the side 41 that is resisted against jammed edge electric connector 4.Then depressing fixture 1 makes it to continue to slide downwards, convex body 14 until its apical margin supports the end face 40 that ends at jammed edge electric connector 4, see also Fig. 6, this moment, the portion 12 that exerts pressure was not subjected to external force, and two relative convex bodys 14 of fixture 1 root edge will be the spacing d3 less than jammed edge electric connector 4 width by spacing d2 answer, and thereby button be held in the bottom surface 42 of jammed edge electric connector 4 and be resisted against on the circuit board 3, thereby the group that realizes 4 of fixture 1 and jammed edge electric connectors is consolidated.

See also Fig. 7 again, when electronics cassette element 5 inserts in the jammed edge electric connector 4, its sidewall of distolateral 50 500 can be along guide ramp set on trigger piece 20 spigots 211 of fixture 1 212 trends, and push spigot 211 smoothly open and slip over, till spigot 211 is reached and passing bolt hole 51 on it, the spigot 211 that electronics cassette element 5 will be fixed device this moment only block and can't be got loose in jammed edge electric connector 4.In the time electronics cassette element 5 will being taken out in jammed edge electric connector 4, can on trigger piece 20, the application of force make (shown in Fig. 7 dotted line) outside it, and the spigot 211 on it is withdrawed from the bolt hole 51 of electronics cassette element 5, just can extract electronics cassette element 5 this moment.

Therefore, fixture 1 tool free just can directly be assembled on the jammed edge electric connector 4 or directly dismounting, thereby can realize assembling fast and the effect of saving man-hour, and its simple element, easy to manufacture, thereby can effectively reduce manufacturing cost.

Claims (10)

1, a kind of fixture, be used for fixing the electronics cassette element that is plugged on the jammed edge electric connector, this fixture mainly includes the frame portion of accommodating, this is accommodated frame portion and has the sidewall that surrounds jammed edge electric connector, and being provided with several on these sidewalls at least makes fixture hold convex body on electric connector, and extend and be provided with trigger piece accommodating frame portion one side, and on this trigger piece, be provided with and can detain the spigot of holding electronics cassette element, it is characterized in that: the sidewall of accommodating frame portion relatively away from the appropriate position of these convex bodys to be provided with the portion that exerts pressure that makes things convenient for winding for the direct application of force thereon with the control convex body away from direction.

2, fixture according to claim 1 is characterized in that: described fixture offers in order to increase the flexible groove in two side away from the appropriate position, edge of the portion of exerting pressure relatively at each sidewall.

3, according to claim 1 a described fixture, it is characterized in that: the convex body of described fixture is arranged on the apical margin and the root edge appropriate position of its sidewall, thereby can detain end face and the place, bottom surface that is held in jammed edge electric connector respectively.

4, fixture according to claim 1, it is characterized in that: further each has two wall extensions to mutual direction of closing vertical extent to described fixture at the ora terminalis place of two opposite side walls, respectively be formed with groove between these wall extensions, and stride across these grooves and respectively be provided with the connecting portion that wall extension is connected.

5, fixture according to claim 1, it is characterized in that: described trigger piece is to be extended and be provided with along the longitudinally of fixture and away from accommodating frame portion by the other sidewall of a groove wherein, this trigger piece has and accommodates horizontal part that frame portion is connected and the vertical component effect that is provided with vertically upward away from an end of accommodating frame portion at horizontal part, simultaneously be provided with the end by the oblique extension of the outside level of vertical component effect sidewall apical margin, wherein detaining the spigot of holding electronics cassette element is to protrude to be arranged on the sidewall of horizontal part.

6, fixture according to claim 1 or 5, it is characterized in that: described fixture is by plastic cement material one ejection formation.

7, fixture according to claim 2 is characterized in that: described groove is provided with along the direction perpendicular to circuit board.

8, fixture according to claim 5 is characterized in that: described fixture is a rectangle away from the groove of a side of trigger piece, and the connecting portion that establish in this place is outer the arcuate structure that is connected the sidewall apical margin of wall extension.

9, fixture according to claim 5 is characterized in that: the groove of a side of the contiguous trigger piece of described fixture is that chamfer is trapezoidal, and the connecting portion that establish in this place is the straight platy structure that is connected the sidewall root edge of wall extension.

10, fixture according to claim 1 is characterized in that: describedly accommodate the extension lengthwise body that frame portion is rectangular shape.

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