CN2261041Y - Electronic card - Google Patents

Abstract

The utility model relates to an electronic card, which comprises a frame body which forms at least one concave chamber and a circuit device which comprises a circuit board and at least one connection device, the circuit board is provided with an electronic part, and the connection device is arranged in the concave chamber of the frame body. The utility model also comprises an external cover device which can protect the circuit device from external interference, and a clamp device which can increase the entire rigid of the electronic card, and the clamp fixing device can also cause the electronic card to be conveniently assembled and can prevent the electronic card from twisting and deforming. The clamp fixing device comprises a clamp fixing slot arranged on the frame body, and a clamp fixing hang plate which extends and bends from the external cover device, and the clamp fixing hang plate is also provided with barbs or clamp holes.

Description

Electronic cards

The utility model relates to a kind of electronic cards, and it is a kind of guiding location structure that has, and the conflict between cover plate fastening lappet up and down can prevent torsional deformation, the electronic cards that integral rigidity is good in the time of can avoiding assembling.

Fig. 1 is the exploded view of existing electronic cards, and it comprises frame body 1, circuit arrangement 2, upper cover plate 3 and lower cover slip 4.Lateral margin is provided with buckling groove 7 around this frame body 1, and this upper cover plate 3 and lower cover slip 4 form the lappet 5 of some bendings respectively in the edge punching press, and this lappet 5 is formed with the button pawl 6 of bending again, fastens the buckling groove 7 of frame body 1 during assembling.

Again with reference to No. the 82217206th, 82218516,83202816,83211982,83214774,83215903, Taiwan patented claim, United States Patent (USP) the 5th, 207,586,5,333, No. 100, the flat 5-49401 patent of Japanese Utility Model, though wherein some technical scheme has guiding location structure, its fastening groove is the single rectangular structure, the conflict between the cover plate fastening lappet up and down can cause the electronic cards torsional deformation during assembling.

In sum, there is following shortcoming in existing electronic cards:

1, above-mentioned electronic cards locating effect when assembling is bad, often because of part deformation damages finished product, can't ensure the quality of products during therefore a large amount of the assembling in the chucking process.

2, above-mentioned electronic cards for around the structure that is fastened, can't avoid sliding over each other between the cover plate and frame body up and down fully, therefore can't effectively avoid reversing the buckling deformation that external force causes because of improper.

3, above-mentioned electronic cards does not have guidance device, causes the assembling difficulty.

When 4, above-mentioned electronic cards was assembled, the conflict between the cover plate fastening lappet up and down easily made the electronic cards torsional deformation.

The purpose of this utility model is to provide a kind of electronic cards, and it has location structure, can reduce the disqualification rate of completed knocked down products.

The purpose of this utility model is to realize like this; a kind of electronic cards promptly is provided; has a frame body; it forms an alcove at least; one circuit arrangement; it comprises a circuit board and at least one coupling arrangement; install electronic component on the described circuit board; described coupling arrangement is housed in the described frame body alcove; the described circuit arrangement of one protection is to avoid being subjected to the cover apparatus of external interference; and one make the assembling of described electronic cards convenient; prevent the electronic cards torsional deformation; increase the fastening device of described electronic cards integral rigidity; described fastening device comprises fastening groove that is arranged on the described frame body and the fastening lappet that extends from described cover apparatus bending, and also comprises hangnail or hole clipping on the described fastening lappet.

The advantage of the utility model device is, the mutual slip about it is eliminated between cover plate and frame body prevents electronic cards distortion and buckling deformation, and is easy to assembly, strengthens integral rigidity, reduces production costs.

Below in conjunction with accompanying drawing, embodiment of the present utility model is described, wherein:

Fig. 1 is the three-dimensional exploded view of existing electronic cards;

Fig. 2 is the three-dimensional exploded view of the utility model electronic cards;

Fig. 3 is the phantom view of the utility model electronic cards buckling device;

Fig. 4 is the part synoptic diagram of the utility model electronic cards fastening device;

Fig. 5 is the part synoptic diagram of the utility model electronic cards dislocation groove;

Fig. 6 is the vertical view of the utility model electronic cards lower cover slip (or upper cover plate);

Fig. 7 is the three-dimensional exploded view of another embodiment of the utility model electronic cards;

Fig. 8 is the part synoptic diagram of another embodiment of the utility model electronic cards.

See also the three-dimensional exploded view of the utility model electronic cards shown in Figure 2, this electronic cards comprises frame body 10, circuit arrangement 20, cover apparatus 25 (see figure 3)s, buckling device 50 and fastening device 60.

This frame body 10 comprises a pair of long framework 11, one first short framework 12 and one second short framework 13.This first short framework 12 forms one first alcove 14 in the middle part, form one second alcove 15 on the second short framework 13.

This circuit arrangement 20 comprises a circuit board 21, one first coupling arrangement 22 and one second coupling arrangement 23.The some electronic components of installing on this circuit board 21 are to reach intended function; This first coupling arrangement 22 is installed in first alcove 14 of frame body 10, and this second coupling arrangement 23 is installed in second alcove 15 of frame body 10, so that the electronic component on this circuit board 21 is electrically connected with extraneous.

This cover apparatus 25 comprises upper cover plate 30 and lower cover slip 40, and this upper cover plate 30 forms identical structure with this lower cover slip 40 by metallic plate punching, and it comprises that mainly one slightly is flat cover plate body 31.

This buckling device 50 comprises that a pair of long buckling groove 16, that is formed on described two long framework 11 lateral borders is formed on the short buckling groove 17 of these first short framework 12 lateral borders, a pair of long lappet 32 and a pair of short lappet 33 that is extended by a short side bending of this cover plate body 31 that is extended by the two long sides bending of this cover plate body 31; This long lappet 32 forms a long button pawl 36 that inwardly bends again, and this short lappet 33 forms the short button pawl 37 of an inside bending again, and formation one space 34 between two short lappets 33 is to hold this first coupling arrangement 22; This distance to 32 of long lappets designs to such an extent that be slightly less than distance between two long framework 11 lateral borders, with when the assembling, makes this long lappet 32 closely coat two long framework 11 lateral borders, and equally, this weak point lappet 33 also can closely coat the lateral border of this first weak point framework 12.

This fastening device 60 comprises the fastening groove 18 of four corners that are formed at this frame body 10 and the fastening lappet 35 that is extended by the four corners bending of this cover plate body 31; The both sides of this fastening lappet 35 form otch 38, to prevent the torsional deformation of whole cover plate body 31 in the stamping process.

When assembling this upper cover plate 30 with this lower cover slip 40, with the guiding location of 18 of this fastening lappet 35 and this fastening grooves, can make easy to assembly, and the disqualification rate of reduction completed knocked down products.

After assembling is finished, because this long lappet 32 closely coats the lateral border of two long frameworks 11, this short lappet 33 closely coats the lateral border of this first short framework 12, these length button pawl 36 buttons are held this long buckling groove 16, this weak point button pawl 37 buttons are held the wringing fit fastening effect of 18 of this weak point buckling groove 17 and this fastening lappet 35 and this fastening grooves, can avoid the mutual slip of 10 of upper and lower cover plate 30,40 and frame bodies, and because of reversing the buckling deformation that external force causes electronic cards improperly.

Figure 3 shows that the phantom view of the utility model electronic cards buckling device, wherein the long button pawl 36 of this long lappet 32 is housed in the long buckling groove 16 of this long framework 11.

Figure 4 shows that the part synoptic diagram of the utility model electronic cards fastening device, wherein the fastening groove 18 of this frame body 10 groove (aftermentioned) that is designed to misplace.

Figure 5 shows that the part synoptic diagram of the utility model electronic cards dislocation groove, wherein four of this frame body 10 fastening grooves 18 are made up of two slightly rectangular draw-in groove 18a and 18b respectively.This draw-in groove 18a is positioned at a side of this fastening groove 18, and this draw-in groove 18b is positioned at the opposite side of this fastening groove 18, and a potential difference d is arranged between this draw-in groove 18a and 18b, to constitute the groove of dislocation design; The distance of the centreline space of the opposite side draw-in groove of this draw-in groove 18a (or 18b) and the longitudinally of this frame body 10 is unequal, promptly in four fastening grooves 18, one side be draw-in groove 18a in the outside and draw-in groove 18b in the inboard, opposite side then for draw-in groove 18a at inboard draw-in groove 18b in the outside, and it is a symmetrical structure.

Figure 6 shows that the vertical view of the lower cover slip 40 (or upper cover plate 30) of the utility model electronic cards, wherein the fastening lappet 35a of this lower cover slip 40 (or upper cover plate 30) both sides and between 35a ' form a potential difference d, with the dislocation design of the fastening groove 18 that cooperates this frame body 10; Distance between the center line VI-VI of this fastening lappet 35a and this lower cover slip 40 (or upper cover plate 30) longitudinally is d1, distance between the center line VI-VI of this fastening lappet 35a ' and this lower cover slip 40 (or upper cover plate 30) longitudinally is d2, d1 and d2 are unequal (with regard to present embodiment, d1 is greater than d2), range difference between the two promptly equals the thickness of this fastening lappet, in order to cooperate the structure of this draw-in groove 18a (or 18b).The fastening lappet 35a fastening of these lower cover slip 40 1 sides is in the draw-in groove 18a of respective side, and the fastening lappet 35a ' fastening of opposite side is in the draw-in groove 18a of opposite side, and the upper cover plate 30 identical with lower cover slip 40 structures is stuck in this draw-in groove 18b in an identical manner after the upset.After assembling is finished, the fastening lappet 35a of these lower cover slip 40 1 sides is positioned at the outside of this upper cover plate 30 1 side fastening lappet 35a ', the fastening lappet 35a ' of these lower cover slip 40 opposite sides is positioned at the inboard of this upper cover plate 30 opposite side fastening lappet 35a, to form a dislocation design; Thus except that can avoid existing electronic cards assembling the time because of the conflict between the fastening lappet of cover plate up and down causes the electronic cards torsional deformation, also can because of about cover plate is identical reduce production costs significantly.

Figure 7 shows that another embodiment three-dimensional exploded view of the utility model electronic cards.Wherein the fastening lappet 35 of this fastening device ' be included in upper cover plate 30 ' on stamp out a hangnail 61, lower cover slip 40 ' on stamp out a hole clipping 62, can make by this upper and lower cover plate 30 ', 40 ' between have a fastening structure, make whole electronic cards more firm after the assembling.

Figure 8 shows that the part synoptic diagram of another embodiment of the utility model electronic cards, the fastening relation that hangnail shown in the figure 61 and hole clipping are 62.

Claims (5)

1, a kind of electronic cards has a frame body, and it forms an alcove at least; One circuit arrangement, it comprises a circuit board and at least one coupling arrangement; Install electronic component on the described circuit board, described coupling arrangement is housed in the described frame body alcove; The described circuit arrangement of one protection is to avoid being subjected to the cover apparatus of external interference; And one make the assembling of described electronic cards convenient, prevent the electronic cards torsional deformation, increase the fastening device of described electronic cards integral rigidity; It is characterized in that described fastening device comprises fastening groove that is arranged on the described frame body and the fastening lappet that extends from described cover apparatus bending, and described fastening lappet also comprises hangnail or hole clipping.

2, electronic cards as claimed in claim 1, it is characterized in that, described frame body forms one first alcove and one second alcove, and described circuit arrangement comprises that one is housed in first coupling arrangement and second coupling arrangement in described first alcove and described second alcove respectively.

3, electronic cards as claimed in claim 1 is characterized in that, described electronic cards also comprises a buckling device that described frame body is combined with described cover apparatus.

4, electronic cards as claimed in claim 3 is characterized in that, described buckling device comprises buckling groove that is arranged on described frame body lateral border and the lappet that extends from described capping device side bending inwardly also having the button pawl of bending again on the described lappet.

As each described electronic cards in the claim 1 to 3, it is characterized in that 5, described fastening groove is the dislocation groove.

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