CN201126578Y - Assembling apparatus of card reader - Google Patents

Abstract

An assembling structure of a card reader comprises a casing and an assembling component. The casing comprises a top cover and a base cover. A plurality of buckling ears extend at the side of the top cover. The base cover is provided with a plurality of projecting claws. The claws of the base cover are fastened on the buckling ear of the top cover. The assembling component is connected with the side margin of the base cover and is installed on the top cover together with the side margin of the top cover. The assembling component is provided with a slide way with a bottom which forms a dent hole, wherein a projecting claw is provided in the slide way and is inserted in the dent hole. In this way, the projecting claw of the base cover is fastened on the buckling ear of the top cover, and wherein a projecting claw is inserted into the dent hole of the slide way. The stability for wholly combining the top cover, the base cover and the assembling piece can be reinforced, and the loosening or breakage of the component caused by exterior acting force will not be generated.

Description

The connecting structure of calculating punch

Technical field

The utility model provides a kind of connecting structure of calculating punch, refers to a kind of firmly connecting structure of assembled card reading machine especially.

Background technology

Because portable electronic devices is flourish in recent years, calculating punch also becomes important in status on the market, and calculating punch can provide electronic memory cards such as SD, MMC to plug, the line data of going forward side by side transmission and storage operation.

General calculating punch has a housing that is formed by top cover and bottom clamping, and this housing has a plug-in card space and plugs for the electronic memory card.

Calculating punch belongs to a precision electronic device, therefore, must have firm structure to bear plug-in card, to move back card motion and other external acting force, yet, existing calculating punch often causes the top cover of housing or bottom because of applying of external acting force and gets loose, cause the calculating punch electronic memory card of can't normally pegging graft, and carry out our desired transmission operation.

So the part improved of the above-mentioned defective of the utility model designer thoughts is concentrated on studies and cooperated the application of scientific principle, propose a kind of reasonable in design and effectively improve the utility model technical scheme of above-mentioned defective finally.

The utility model content

Fundamental purpose of the present utility model provides a kind of connecting structure of calculating punch, and it can make the firm combination of housing of calculating punch, and the external acting force of reason and cause member to get loose or damage not.

For reaching above-mentioned purpose, the utility model provides a kind of connecting structure of calculating punch, comprising: a housing, it comprises a top cover and a bottom, this roof side is extended with a plurality of buckle ears, and this bottom has a plurality of dogs, and the dog of this bottom is snapped in the buckle ear of this top cover; And a connecting piece, the lateral margin of itself and this bottom joins, and is arranged at this top cover jointly, and this connecting piece has a chute road, the terminal inward recess that forms in this chute road, wherein a dog is arranged in this chute road, and is inserted in this inward recess.

The utlity model has following beneficial effect:

Be snapped in the buckle ear of this top cover by the dog of bottom, and wherein a dog is inserted in the inward recess in this chute road, can strengthens the stability of the whole combination of top cover, bottom and connecting piece, and the external acting force of reason and cause member to get loose or damage not.

For enabling further to understand feature of the present utility model and technology contents, see also following relevant detailed description of the present utility model and accompanying drawing, yet appended accompanying drawing is only for reference and explanation usefulness, is not to be used for the utility model is limited.

Description of drawings

Fig. 1 is the three-dimensional combination figure of the connecting structure of the utility model calculating punch;

Fig. 2 is the three-dimensional exploded view of the connecting structure of the utility model calculating punch;

Fig. 3 is another visual angle three-dimensional exploded view of the connecting structure of the utility model calculating punch;

Fig. 4 is the assembling synoptic diagram of bottom of the connecting structure of the utility model calculating punch;

Fig. 5 is the local enlarged diagram of Fig. 4;

Fig. 6 is another visual angle three-dimensional combination figure of the connecting structure of the utility model calculating punch.

[main element description of reference numerals]

1 housing

11 top covers

111 side walls

112 buckle ears

12 bottoms

121 dogs

121 ' dog

13 plug-in card spaces

14 trip mechanisms

15 web joints

2 connecting pieces

21 chute roads

211 sipes

212 narrow grooves

213 inward recess

22 buckling parts

3 connectors

31 terminals

32 earthing members

4 circuit boards

Embodiment

See also the connecting structure of Fig. 1 to Fig. 6, comprising: a housing 1, a connecting piece 2, a connector 3 and a circuit board 4 for the utility model calculating punch.

See also Fig. 1 to shown in Figure 3, this housing 1 includes a top cover 11 and a bottom 12, each elongation moulding one side wall 111 of these top cover 11 both sides, and promptly this top cover 11 is " ㄇ " type structure.These two side walls, 111 ends elongation moulding of respectively transferring has a plurality of buckle ears 112.These bottom 12 both sides have a plurality of dogs 121,121 ', and dog 121,121 ' individual other of this bottom 12 is snapped in the buckle ear 112 of this top cover 11, and form a plug-in card space 13 between this top cover 11 and this bottom 12, plug for the electronic memory card.

(figure does not show inner structure and this non-principal character of the present utility model to be provided with a trip mechanism 14 in this housing 1, so will not give unnecessary details), it is available for users to insert or withdraw from the electronic memory card in the mode of two-period form pushing and pressing (push-push), can promote user's operating handle.

The side wall 111 of this top cover 11 respectively is provided with a plate 15, and the turnover plate that this web joint 15 is formed in one, one end are fixed on this side wall 111, the other end then with the mode interlocking of screw lock on this circuit board 4.

See also shown in Figure 3, this connecting piece 2 is a plate-like structure generally, the lateral margin of itself and this bottom 12 joins, and be arranged at this top cover 11 jointly, this trip mechanism 14 is arranged between this top cover 11 and this connecting piece 2, this assembly 2 has a chute road 21 and a plurality of buckling parts 22, this chute road 21 is arranged with moulding in contiguous these assembly 2 edges, this chute road 21 comprises a sipes 211 and and is communicated with the narrow groove 212 that extends by this sipes 211, and promptly this chute road 21 is made up of this sipes 211 and 212 liang of sections of this narrow groove.

This sipes 211 is connected with gradually narrow external form with the part that this narrow groove 212 joins, the width of this sipes 211 is greater than this dog 121,121 ' width, and the width of this narrow groove 212 to should dog 121,121 ' width, and these narrow groove 212 ends are arranged with and form an inward recess 213, by above-mentioned structure, can provide the wherein dog 121 ' of this bottom 12 to be slidedly arranged in this chute road 21 and be inserted in this inward recess 213.

The lateral margin of this assembly 2 forms a plurality of buckling parts 22 to buckle ear 112 that should top cover 11, and these buckling parts 22 are fastened on the buckle ear 112 of this top cover 11, this assembly 2 is arranged at the side wall 111 of this top cover 11.

This connector 3 is arranged at an end of this housing 1, is disposed with a plurality of terminals 31 on this connector 3, and an end of these terminals 31 extends in the plug-in card space 13, and the other end of these terminals 31 electrically connects this circuit board 4.These connector 3 both sides respectively are provided with an earthing member 32, this earthing member 32 is connected on this circuit board 4 in the mode of welding, form a grounding circuit whereby, thereby effectively reduce the electromagnetic wave that is produced when calculating punch operates, to improve the stability of signal transmission operation.

Whereby, in the time of in the electronic memory card is inserted in this plug-in card space 13, can contact, and electrically connect to carry out signal transmission operation by terminal 31 and circuit board 4 with the terminal 31 of this connector 3.

See also Fig. 4 to shown in Figure 6, when this bottom 12 is desired to be connected to this top cover 11, earlier these bottom 12 lids are placed two side walls, 111 ends of this top cover 11, and make each dog 121 of this bottom 12,121 ' respectively to buckle ear 112 that should top cover 11, and wherein a dog 121 ' is arranged in the sipes 211 in this chute road 21, then, with these dog 121 slippages forward, and make its individual cards be located at this buckle ear 112, meanwhile, wherein a dog 121 ' is guided forward by the sipes 211 in this chute road 21 and is slipped into narrow groove 212, and is inserted in the inward recess 213 of these narrow groove 212 ends, whereby, can be with these bottom 12 firm being assembled on this top cover 11 and this connecting piece 2.

The utlity model has following beneficial effect:

Be snapped in the buckle ear 112 of this top cover 11 by the dog 121 of bottom 12, and wherein a dog 121 ' is inserted in the inward recess 213 in this chute road 21, can strengthen the stability of top cover 11, bottom 12 and connecting piece 2 whole combinations, and the external acting force of reason and cause member to get loose or damage not.

But the above only is preferred embodiment of the present utility model; non-meaning is limited to protection domain of the present utility model; therefore the equivalence done of every utilization instructions of the present utility model and accompanying drawing content changes, and all in like manner all is contained within the protection domain of the present utility model explanation hereby.

Claims (10)

1, a kind of connecting structure of calculating punch is characterized in that, comprising:

One housing, it comprises a top cover and a bottom, and this roof side is extended with a plurality of buckle ears, and this bottom has a plurality of dogs, and the dog of this bottom is snapped in the buckle ear of this top cover; And

One connecting piece, the lateral margin of itself and this bottom joins, and is arranged at this top cover jointly, and this connecting piece has a chute road, the terminal inward recess that forms in this chute road, wherein a dog is arranged in this chute road, and is inserted in this inward recess.

2, the connecting structure of calculating punch as claimed in claim 1 is characterized in that, this chute road comprises a sipes and and is communicated with the narrow groove that extends by this sipes, and this inward recess takes shape in this narrow groove end.

3, the connecting structure of calculating punch as claimed in claim 1 is characterized in that, each elongation moulding one side wall of these top cover both sides, and this buckle ear is by this side wall turnover elongation moulding.

4, the connecting structure of calculating punch as claimed in claim 3 is characterized in that, forms a plug-in card space between this top cover and this bottom.

5, the connecting structure of calculating punch as claimed in claim 4 is characterized in that, an end of this housing is provided with a connector, and this connector is disposed with a plurality of terminals, and an end of these terminals extends in this plug-in card space.

6, the connecting structure of calculating punch as claimed in claim 5 is characterized in that, more comprises a circuit board, and these terminal other ends are electrically connected on this circuit board.

7, the connecting structure of calculating punch as claimed in claim 6 is characterized in that, this roof side is provided with a plate, and this web joint connects this housing on this circuit board.

8, the connecting structure of calculating punch as claimed in claim 6 is characterized in that, this connector is provided with an earthing member, and this earthing member is connected on this circuit board.

9, the connecting structure of calculating punch as claimed in claim 1 is characterized in that, more comprises a trip mechanism, and it is arranged between this top cover and this connecting piece.

10, the connecting structure of calculating punch as claimed in claim 1 is characterized in that, this connecting piece side has a plurality of buckling parts, and these buckling parts are fastened on the buckle ear of this top cover.

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