A kind of deck being provided with pintle hook lock shell fragment
Technical field
The utility model relates to card reader field, particularly relates to a kind of deck being provided with pintle hook lock shell fragment.
Background technology
In prior art, a detection switch generally can be provided with in SIM card holder, so that the timely identification card insert state of system, but still unavoidably may there is the reasons such as shake and cause detection switch identification error, the also reason such as may descend in working order to drop to cause system None-identified SIM card.Usual solution in this case extracts SIM card to reinsert, and causes user to use inconvenience, experience not good.Therefore, existing deck has locking and blocking mostly, but the pintle hook lock structure realizing this function exists the mostly shortcoming such as complex structure, cost of manufacture are high, complicated operation.
Utility model content
The utility model provides a kind of deck being provided with pintle hook lock shell fragment for the problem of prior art.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of deck being provided with pintle hook lock shell fragment, comprise plastic cement drain pan, metal shell and multiple contact terminals of being fixed on by in-mould injection in plastic cement drain pan with accommodation space, the both sides of described metal shell all bend the fastening side plate being provided with and fastening with plastic cement drain pan and form draw-in groove, the fastening side plate of wherein side is provided with pintle hook lock shell fragment, and the centre of described pintle hook lock shell fragment is provided with the pintle hook lock convex body protruded in draw-in groove.
Wherein, the both sides of described plastic cement drain pan are respectively arranged with at least two side button bits, and the side button bit described in the correspondence of lower end of described fastening side plate is provided with compression shell fragment, and the inner side of described compression shell fragment abuts with side button bit.
Further, the two bottom sides of described plastic cement drain pan is respectively arranged with button bit bottom at least one, and the bottom button bit described in the correspondence of lower end of described fastening side plate is provided with the fastening spring sheet of inside bending, described fastening spring sheet and bottom button bit snapping.
Further, the rearward end of described plastic cement drain pan is provided with fastening projection, and the end of described metal shell is provided with buckling plate, and the fastening projection described in described buckling plate correspondence is provided with fastening through hole, and described fastening projection fastens mutually with fastening through hole.
Wherein, described contact terminal comprises weld part, the fixed part in connecting welding portion, one end and the elastic contact part of self-retaining portion other end extension, and described fixed part injection moulding is fixed in plastic cement drain pan.
Further, the both sides of described fixed part are provided with the spacing lateral plate thinner than fixed part thickness, described spacing lateral plate and fixed part one-body molded.
Wherein, the side of described plastic cement drain pan is provided with the lug boss preventing card anti-inserted, described lug boss and plastic cement drain pan one-body molded.
The beneficial effects of the utility model:
A kind of deck being provided with pintle hook lock shell fragment provided by the utility model, comprise plastic cement drain pan, metal shell and multiple contact terminals of being fixed on by in-mould injection in plastic cement drain pan with accommodation space, the both sides of described metal shell all bend the fastening side plate being provided with and fastening with plastic cement drain pan and form draw-in groove, the fastening side plate of wherein side is provided with pintle hook lock shell fragment, and the centre of described pintle hook lock shell fragment is provided with the pintle hook lock convex body protruded in draw-in groove.Card is in the process inserting draw-in groove, and described pintle hook lock shell fragment is softened, and when card arrives to detection switch, described pintle hook lock convex body is absorbed in the default bayonet socket of card, and card can not arbitrarily get loose, and can keep good contact; The utility model achieves locking and blocking like a cork, and structure is simple, cost is low, functional reliability simple to operate is high.
Accompanying drawing explanation
Fig. 1 is a kind of stereogram being provided with the deck of pintle hook lock shell fragment of the utility model.
Fig. 2 is a kind of stereogram being provided with another visual angle of deck of pintle hook lock shell fragment of the utility model.
Fig. 3 is a kind of STRUCTURE DECOMPOSITION figure being provided with the deck of pintle hook lock shell fragment of the utility model.
Fig. 4 is a kind of plug-in mounting schematic diagram being provided with the deck of pintle hook lock shell fragment of the utility model.
Reference numeral in Fig. 1 to Fig. 4 comprises:
1-plastic cement drain pan, 11-side button bit
12-bottom button bit, 13-fastening projection
14-lug boss, 2-metal shell
21-fasten side plate 22-pintle hook lock shell fragment
23-pintle hook lock convex body, 24-compression shell fragment
25-fastening spring sheet, 26-buckling plate
3-contact terminal, 31-weld part
32-fixed part, 33-elastic contact part
34-spacing lateral plate 4-card
5-bayonet socket.
Embodiment
For the ease of the understanding of those skilled in the art, be further described the utility model below in conjunction with embodiment and accompanying drawing, the content that execution mode is mentioned is not to restriction of the present utility model.Below in conjunction with accompanying drawing, the utility model is described in detail.
A kind of deck being provided with pintle hook lock shell fragment provided by the utility model, comprise the plastic cement drain pan 1 with accommodation space, metal shell 2 and the multiple contact terminals 3 be fixed on by in-mould injection in plastic cement drain pan 1, the both sides of described metal shell 2 all bend to be provided with and fasten with plastic cement drain pan 1 the fastening side plate 21 forming draw-in groove, the fastening side plate 21 of wherein side is provided with pintle hook lock shell fragment 22, the centre of described pintle hook lock shell fragment 22 is provided with the pintle hook lock convex body 23 protruded in draw-in groove, described pintle hook lock shell fragment 22 is one-body molded with fastening side plate 21, described pintle hook lock convex body 23 passes through drawing and forming, do not use welding procedure, not only ensure that the aesthetic property of the outward appearance of product, and there is preferably elastic performance.As shown in Figure 4, when card 4 planted by needs in draw-in groove, the both sides of metal shell 2 can be played the effect that the card inserted leads and position is fixing.Card 4 is in the process inserting draw-in groove, and described pintle hook lock shell fragment 22 is softened, and when card 4 arrives to detection switch, described pintle hook lock convex body 23 is absorbed in the default bayonet socket 5 of card 4, and card 4 can not arbitrarily get loose, and can keep good contact; The utility model achieves locking and blocking like a cork, and structure is simple, cost is low, functional reliability simple to operate is high.
In the utility model, the both sides of described plastic cement drain pan 1 are respectively arranged with at least two side button bits 11, and the side button bit 11 described in the correspondence of lower end of described fastening side plate 21 is provided with and compresses shell fragment 24, and the inner side of described compression shell fragment 24 abuts with side button bit 11.Further, the two bottom sides of described plastic cement drain pan 1 is respectively arranged with button bit 12 bottom at least one, the bottom button bit 12 described in the correspondence of lower end of described fastening side plate 21 is provided with the fastening spring sheet 25 of inside bending, described fastening spring sheet 25 and bottom button bit 12 snapping.Further, the rearward end of described plastic cement drain pan 1 is provided with and fastens projection 13, the end of described metal shell 2 is provided with buckling plate 26, fastening projection 13 described in described buckling plate 26 correspondence is provided with and fastens through hole (not marking in the drawings), and described fastening projection 13 fastens mutually with fastening through hole.Comprehensively above-mentioned, described metal shell 2 is by compressing shell fragment 24, the both sides of fastening spring sheet 25 buckling plate 26 and plastic cement drain pan 1, bottom and end snapping, and both combine simply, not easily get loose.
In the utility model, described contact terminal 3 comprises weld part 31, the fixed part 32 in connecting welding portion, one end 31 and the elastic contact part 33 of self-retaining portion 32 other end extension, and the injection moulding of described fixed part 32 is fixed in plastic cement drain pan 1.Further, the both sides of described fixed part 32 are provided with the spacing lateral plate 34 thinner than fixed part 32 thickness, and described spacing lateral plate 34 is one-body molded with fixed part 32.Described spacing lateral plate 34 is one-body molded with fixed part 32, by ironed for spacing lateral plate 34 in the course of processing, plastic cement drain pan 1 and contact terminal 3 are when in-mould injection is fixed, described spacing lateral plate 34 is covered by plastic cement, thus reach the effect of firm contact terminal 3, the situation that contact terminal 3 can not get loose.
In the utility model, the side of described plastic cement drain pan 1 is provided with the lug boss 14 preventing card anti-inserted, and described lug boss 14 is one-body molded with plastic cement drain pan 1.When plant in draw-in groove card 4 plug-in mounting card time, only have the side, oblique angle of card 4 to aim at lug boss 14 in draw-in groove, card 4 could dodge lug boss 14 smoothly, and then inserts completely in draw-in groove; If not, card 4 will be blocked and cannot insert in draw-in groove completely.In use, this deck only has a kind of plug-in card mode to be correct, stops the situation of wrong plug or anti-inserted card.
The above, it is only the utility model preferred embodiment, not any pro forma restriction is done to the utility model, although the utility model with preferred embodiment openly as above, but and be not used to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, make a little change when utilizing the technology contents of above-mentioned announcement or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solutions of the utility model content, any simple modification that above embodiment is done is referred to according to the utility model technology, equivalent variations and modification, all belong in the scope of technical solutions of the utility model.