CN2390305Y - Holding device - Google Patents

Abstract

The utility model relates to a holding device, which is mainly composed of a rigidity transverse beam and buckled claws, wherein, the buckled claws are respectively extended along the same direction from both ends of the rigidity transverse beam. The transverse beam is composed of an arched beam and a flat and straight beam. The two beams are connected into a whole body by a plurality of rib strips to strengthen rigidity. The upper surface of the flat and straight beam is provided with a plurality of guide convex blocks and a positioning beam. The guide convex blocks and the positioning beam are used for guiding and limiting a lateral edge of a mould set plate. The joint position between the positioning beam and the flat and straight beam is provided with multiple position stopper convex blocks distributed along the lengthwise direction. The position stopper convex blocks and the guide convex blocks are alternately arranged in an interlacing mode and a limit passageway is defined among one another. The width of the limit passageway is equal to the thickness of the mould set plate, and the limit passageway is used for limiting the side edge of the mould set plate.

Description

Grip device

The utility model is about a kind of grip device, refers in particular to a kind ofly to grip the module plate and be inserted into grip device in the bayonet connector.

The grip device relevant with the utility model generally is used for gripping such as electronics module plates such as memory body module, signal termination circuit plates, is beneficial to they and being connected of bayonet connector.As United States Patent (USP) the 5th, 419, No. 712, it has disclosed a kind of grip device (please refer to Fig. 1), this grip device is provided with a rigid beam 94, and rigid beam 94 two ends are provided with arc protuberance 96, and the bottom of each arc protuberance 96 is extended with a hook arm 92 downwards, hook arm 92 bottoms are provided with a grab 98 again, are used for fixing in the corresponding hole clipping (figure does not show) at bayonet connector.By inwardly pushing two arc protuberances 96, can drive hook arm 92 and open outward, make grab 98 break away from fastening state, and module plate 90 is extracted in bayonet connector with the corresponding hole clipping of bayonet connector.But because hook arm 92 is longer, it is restricted and adopt the occasion of low configuration (Low Profile) module plate not to be suitable for spatial altitude, and if directly shorten the length of hook arm 92 according to its structure, then will make that to push strength excessive because of the arm of force shortens, operation is difficult.In addition, during the corresponding hole clipping engaging of grab 98 and bayonet connector,, module plate easy bob and influence the quality of signal transmission when being given a shock will be caused because of the design tolerance problem must exist gap on the vertical direction.Therefore must improve these defectives of existing grip device.

Main purpose of the present utility model be to provide a kind of can be simply and effectively with the grip device of module plate fixing, this grip device can closely engage with bayonet connector, avoid module plate bob when being given a shock, but and the low configuration module plate of clamping and it is assemblied in the small space.

The utility model grip device is used to grip the module plate and is inserted in the bayonet connector, and it is mainly formed by rigid beam and from the button pawl that rigid beam two ends difference is extended in the same way.This crossbeam is made up of an arched girder and a straight beam, links one to strengthen rigidity with some ribs between two beams.The upper surface of straight beam is provided with some guiding projections and a positioning beam, is used for guiding and limiting a lateral margin of module plate.Joining place at positioning beam and straight beam is provided with a plurality of stop bit projections that distribute along longitudinally, the stop bit projection limits passage with the guiding projection for staggered interval is provided with and defines to each other one, this thickness that limits width of channel and module plate is suitable, is used for the lateral margin of module plate is limited.

Because the utility model is provided with a plurality of stop bit projections that distribute along longitudinally at the joining place of positioning beam and straight beam, the stop bit projection limits passage with the guiding projection for staggered interval is provided with and defines to each other one, it is suitable with thickness of module plate that this limits width of channel, thereby energy is simple and easy effectively module plate fixing is limited and can avoid module plate bob when being given a shock.

Below in conjunction with accompanying drawing preferred embodiment of the present utility model is specifically described.

Fig. 1 is the three-dimensional assembled view of existing grip device and module plate.

Fig. 2 is the isometric exploded view of the utility model grip device and module plate.

Fig. 3 is the cutaway view along A-A line gained among Fig. 2.

Fig. 4 is the fashionable cutaway view of module integrated circuit board among Fig. 3, wherein the module plate sloped position on grip device, but fix to grip fully as yet.

The three-dimensional view of Fig. 5 the utility model grip device second embodiment.

At first see also Fig. 2 and Fig. 3, the utility model grip device 1 slightly is ＂ U ＂ font, mainly forms by rigid beam 10 and from the button pawl 20 that this rigid beam 10 two ends difference is extended in the same way.This crossbeam 10 is made up of an arched girder 12 and a straight beam 14, links one to strengthen rigidity with some ribs 15 between two beams.When grip device 1 carried module plate 2 with bayonet connector (figure does not show) plug, this arched girder 12 can provide the convenience of manual gripping.The outer surface of straight beam 14 is provided with some guiding projections 16, is used for guiding and limiting a lateral margin 22 (describing in detail after a while) of module plate 2.

Also be provided with a positioning beam 30 on crossbeam 10 upper surfaces, be used for accepting and positioning module plate 2.Joining place at positioning beam 30 and straight beam 14 is provided with a plurality of stop bit projections 32 that distribute along longitudinally, stop bit projection 32 is provided with and defines to each other one with guiding projection 16 staggered intervals and limits passage 34 (with reference to figure 3), the width of qualification passage 34 is suitable with the thickness of module plate 2, is used for the lateral margin 22 of module plate 2 is limited.In addition, on the lateral margin 36 of positioning beam 30, also be provided with several locating convex blocks 38, relative with the location hole 23 of module plate 2, can when assembly module plate 2, snap in the location hole 23, and positioning function is provided.

Pawl arm 21 inboards of each button pawl 20 are provided with and one are that " L ＂ shape stage portion 24; can make a part of thickening of pawl arm 21; and make pawl arm 21 have elasticity and intensity concurrently, required strength when reducing to push adopt the occasion of low configuration module plate to be applicable to that spatial altitude is restricted.Pawl arm 21 ends inwards are provided with an engaging projection 25, leave a gap (please refer to Fig. 3) between engaging projection 25 and the stage portion 24, and the width in this gap also thickness with module plate 2 is suitable, and with limit passage 34 common locus agretopes with module plate 2.In addition, buckle projection 25 also is provided with a guide ramp 27, is used for guiding module plate 2 and snaps in the grip device 1.Moreover the pawl arm 21 terminal outsides are provided with coordinating block 28, are used for guiding grip device 1 and insert in the bayonet connector (figure does not show).

Outwards protrude an elastic clip 40 respectively in each button pawl 20 outside and near crossbeam 10 ora terminalis places, the bearing of trend of elastic clip 40 is in contrast to the bearing of trend of button pawl 20, and development length is beneficial to operation greater than the development length of button pawl 20 to reduce to push required strength.Above-mentioned elastic clip 40 has an elastic arm 42, and the end of elastic arm 42 is an arc grip part 44.Protrude out a grab 45 outwardly in the centre of elastic arm 42, the mating surface 46 of this grab 45 makes arc surface, so that grab 45 when engaging, can be eliminated the fit clearance problem that design tolerance causes with the corresponding hole clipping (figure does not show) of bayonet connector by the elasticity of elastic arm 42 and the circular arc profile of mating surface 46.

Please together consult Fig. 4, when module plate 2 is snapped in grip device 1, at first the lengthwise lateral margin 22 of module plate 2 is inserted obliquely and limit in the passage 34, at this moment, module plate 2 is on the primary importance, and the locating convex block 38 of grip device 1 is aimed at the location hole 23 of module plate 2, and two opposite end edge of module plate 2 are resisted against on pawl arm 21 inwalls of grip device 1 simultaneously.Then, another lengthwise lateral margin of module plate 2 is passed towards grip device 1, make 2 turns of module plate and will detain pawl 20 along the guide ramp 27 of engaging projection 25 to strut outward, last module plate 2 buckles into the gap between engaging projection 25 and the stage portion 24 and is fixed on the second place.When needs with module plate 2 when grip device 1 takes off, only need inwardly push the grip part 44 of elastic clip 40, button pawl 20 is opened outward and loosen module plate 2, this moment, the module plate 2 can be removed easily.

See also Fig. 5, be second embodiment of the present utility model, two elastic clip 40 ' 44 of grip parts link with a strip 50, when hold with a firm grip simultaneously strip 50 and arched girder 12 ' and make both mutually near the time, strip 50 promptly drives in 44 sound of grip part and shrinks, can make grab 45 ' break away from fastening state, perhaps make button pawl 20 ' open outward and loosen the module plate with the corresponding hole clipping of bayonet connector.

Claims (8)

1. grip device, be used for gripping the module plate, comprise a crossbeam, a positioning beam and a make-up pawl, this make-up pawl extends in the same way from the two ends of crossbeam respectively, it is characterized in that: described positioning beam is connected on beam surface upper, and the upper surface of crossbeam be provided with several be used for positioning beam jointly with the guiding projection of module plate location, described button pawl is accommodated the module plate and is limited in the space of being defined by crossbeam and its.

2. grip device as claimed in claim 1, it is characterized in that: positioning beam further is provided with the stop bit projection that several distribute along longitudinally at the joining place with crossbeam, and this stop bit projection and guiding projection are the staggered qualification passage that is provided with at interval and defines to each other.

3. grip device as claimed in claim 2 is characterized in that: the thickness of described qualification width of channel and module plate is suitable.

4. grip device as claimed in claim 1 is characterized in that: the lateral margin in positioning beam also is provided with several locating convex blocks, and this locating convex block is corresponding with the location hole of module plate.

5. grip device as claimed in claim 1 is characterized in that: thus each button pawl is equipped with a stage portion that can make a part of thickening of detaining pawl have elasticity and intensity concurrently in the inboard.

6. grip device as claimed in claim 5 is characterized in that: each button pawl end inwards is provided with an engaging projection, forms a gap that is used for limiting module board space position between this engaging projection and the stage portion.

7. grip device as claimed in claim 1 is characterized in that: each button pawl end is provided with one and is used for guiding grip device and inserts coordinating block in the corresponding bayonet connector towards the outside.

8. grip device as claimed in claim 1 is characterized in that: crossbeam is made up of an arched girder and a straight beam, and binding has many roots bar between two beams.

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