Background technology
At present, in the various products of portable terminal, as mobile phone, Personal Handyphone System etc., its battery generally separates making with body, during use, battery is packed in the cavity of body, when the electric weight of battery exhausts, can also change another piece battery, and drop out the cavity for fear of battery from body, also be coated with battery cover outside battery, described battery cover is that the fixed structure by a kind of battery cover pins battery.
Common battery cover fixed structure as shown in Figure 1, is a kind of pushing button structure, and this pushing button structure 1 comprises back cover 11, battery cover 12 and the push button 13 of portable terminal.In back cover 11, be provided with a container cavity, in this container cavity, accommodate push button 13, the U type structure of push button 13 for putting upside down to a side, bottom inside in this U type structure is provided with a short column 131, is arranged with back-moving spring 132 on the short column 131, also is provided with a grab 133 in the bottom outside of this U type structure, in battery cover 12, be provided with draw-in groove 121, grab 133 can be stuck in the draw-in groove 121, and in order there to be enough spaces to promote push button 13, also must reserve certain distance 111 on back cover 11.
When in the back cover 11 that battery cover 12 is packed into, to promote push button 13 earlier, make it overcome the elastic force effect of back-moving spring 132, after being moved to the left one section reservation distance 111, battery cover 12 is put into, unclamped push button 13 then, push button 13 moves right under the effect of back-moving spring 132, and grab 133 is stuck in the draw-in groove 121 of battery cover 12, thereby battery cover 12 is locked in the back cover 11.In like manner, battery cover 12 being got when the back cover 11, also is earlier push button 13 to be pushed away original position, makes grab 133 break away from draw-in grooves 121, and then battery cover 12 is got from back cover 11.
Figure 1 shows that the situation that pushing button structure 1 is located at the portable terminal back side, and in the reality, pushing button structure 1 can also be located on four sides of portable terminal, and the principle that pushing button structure 1 is set on the side and method are with identical in principle that pushing button structure 1 is set and method overleaf.
State in realization in the process of setting, the inventor finds that there are the following problems at least in the prior art:
Above-mentioned use pushing button structure is realized the method for locking battery cover, must reserve certain distance on the housing of portable terminal moves back and forth for push button, this just causes pushing button structure occupying bigger shell space, is unfavorable for the development trend of present portable terminal miniaturization.
The utility model content
The utility model embodiment technical problem to be solved is to provide a kind of portable terminal, and described portable terminal does not need to be its lid headspace of dismounting.
For solving the problems of the technologies described above, the utility model embodiment adopts following technical scheme:
A kind of portable terminal comprises lid and housing, is installed with fixedly grab on the medial surface of described lid, is provided with the active card hook assembly in described housing, and after described lid was fastened on the described housing, described active card hook assembly and described fixedly grab fastened; On described lid, also be provided with accommodation hole, be installed with button in the described accommodation hole, described button one end is a free end, the other end and described active card hook assembly lean, press described button, described active card hook assembly motion also breaks away from described fixedly grab, on the movement locus of described active card hook assembly, be provided with return springs, described return springs one end is installed in the described housing, the other end also leans with described active card hook assembly, unclamp described button, described active card hook assembly resets under the effect of described return springs.
The portable terminal pushbutton unit that the utility model embodiment provides, under nature, after being fastened on described lid on the described housing, described active card hook assembly and described fixedly grab fasten, thereby pin described lid, and on described lid, also be provided with button, described button one end is a free end, can bear external force, the other end and described active card hook assembly lean, apply external force and press described button, described active card hook assembly motion also breaks away from described fixedly grab, can take out described lid easily this moment, on the movement locus of described active card hook assembly, also be provided with return springs, described return springs one end is installed in the housing, the other end also leans with described active card hook assembly, in the process of described active card hook assembly motion, the oppressed distortion of described return springs, when removing after external force unclamps described button, described return springs return to initial condition, and drive described active card hook assembly and described push-button reset, so need be on the length of mobile terminal shell or Width headspace, just can realize the function of the described lid of dismounting.
Embodiment
The utility model embodiment aims to provide a kind of pushbutton unit of portable terminal, and described portable terminal does not need to be its lid headspace of dismounting.
Below in conjunction with accompanying drawing the utility model embodiment is described in detail.
The utility model embodiment portable terminal, comprise lid and housing, on the medial surface of described lid, be installed with fixedly grab, in described housing, be provided with the active card hook assembly, under the nature, after being fastened on described lid on the described housing, described active card hook assembly and described fixedly grab fasten, thereby pin described lid, and on described lid, also be provided with button, described button one end is a free end, can bear external force, the other end and described active card hook assembly lean, apply external force and press described button, described active card hook assembly motion also breaks away from described fixedly grab, can take out described lid easily this moment, on the movement locus of described active card hook assembly, also be provided with return springs, described return springs one end is installed in the housing, the other end also leans with described active card hook assembly, in the process of described active card hook assembly motion, the oppressed distortion of described return springs, when removing after external force unclamps described button, described return springs return to initial condition, and drive described active card hook assembly and described push-button reset, so need be on the length of mobile terminal shell or Width headspace, just can realize the function of the described lid of dismounting.
As shown in Figure 2, a specific embodiment for the utility model portable terminal, in the present embodiment, described portable terminal comprises housing 21 and lid 22, be fixedly connected with fixedly grab 221 on the medial surface of lid 22, if described lid 22 is made of plastics, then fixedly grab 221 and lid 22 injection mo(u)lding together, if lid 22 is made by metal material, then fixedly grab 221 is fixed on the lid 22 by the mode of welding, on lid 22, also offer accommodation hole 222, be installed with button 26 in the accommodation hole 222, the upper end of button 26 is a free end, and mutually concordant with lid 22, be provided with the active card hook assembly in the housing 21, the other end of button 26 and described active card hook assembly lean, and also are installed with reseting shrapnel 24 in housing 21, and the free end of reseting shrapnel 24 also leans with described active card hook assembly, wherein, about described active card hook assembly following two kinds of implementations are arranged:
First kind of implementation as shown in Figure 3, described active card hook assembly comprises rotation grab 25 and rotating shaft 23, rotation grab 25 is the Z font structure that is formed by the stainless steel material bending, each corner of this Z font structure is equipped with rounding, the stress that rounding can avoid sharp keen wedge angle to form is concentrated and injury, rotation grab 25 has a grab body 251, the front end bending of grab body 251 is formed pothook 252, pothook 252 is used for engaging with described fixedly grab 221, be connected with two relatively at the middle part of rotation grab 25 and pick up the ears 253, pick up the ears 253 also to form by bending, pick up the ears all to offer a shaft hole 254 on 253 at each, rotation grab 25 is articulated in the rotating shaft 23 by shaft hole 254, and rotating shaft 23 is articulated in again in the housing 21.
Second kind of implementation as shown in Figure 4, described active card hook assembly comprises rotating shaft 23 and rotation grab 25, and rotating shaft 23 is installed on the rotation grab 25, be specially, rotation grab 25 has a grab body 251, and the front end bending formation pothook 252 with grab body 251 is installed with two coaxial short cylindrical axles relatively at the middle part of rotation grab 25, these two short cylindrical axles are rotating shaft 23, and rotation grab 25 is articulated in the housing 21 by these two short cylindrical axles.
What present embodiment adopted is first kind of implementation.At this moment, rotating shaft 23 need be articulated in the housing 21, as shown in Figure 5, for making things convenient for the setting of rotating shaft 23, be provided with two interlayers 211 relatively in housing 21, and all offer a pivoted hole 212 on each interlayer 211, rotating shaft 23 just is located in the pivoted hole 212.When being assembled into described active card hook assembly in the housing 21, at first will rotate the centre that grab 25 is put into two interlayers 211, shaft hole 254 is alignd with pivoted hole 212, will get final product in rotating shaft 23 insertion shaft holes 254 and the pivoted hole 212 then.
The nature that is after assembling is finished shown in Figure 2, under this state, lid 22 is fastened on the housing 21, and the pothook 252 of rotation grab 25 fastens with fixing grab 221, the tail end and the reseting shrapnel 24 of rotation grab 25 lean, and button 26 rests on initial position.
The course of action that retracts lid 22 in the present embodiment is: at first press the button 26, rotation grab 25 is turned clockwise, tail end compressing reseting shrapnel 24 distortion of rotation grab 25 in rotary course, after rotating to a certain degree, the pothook 252 of rotation grab 25 breaks away from mutually with fixing grab 221, state after being illustrated in figure 6 as pothook 252 and fixedly grab 221 breaking away from, take off lid 22 this moment, release button 26 then, reseting shrapnel 24 returns to initial condition, simultaneously driven rotary grab 25 is rotated counterclockwise and resets, and rotation grab 25 drives button 26 and resets.
As can be known from Fig. 3, as a kind of improvement to rotation grab 25 in the present embodiment, afterbody 255 is stuck up in the tail end warpage formation of described grab body 251, stick up afterbody 255 and 251 smooth connections of grab body, turn clockwise at rotation grab 25 like this, in the process that reseting shrapnel 24 deforms, the afterbody 255 that sticks up of rotation grab 25 contacts with reseting shrapnel 24, formed the contact of face face between, therefore stress distribution is comparatively even between the two, force-bearing situation is good, and the smooth connection of sticking up afterbody 255 and grab body 251 can also make the deformation process of reseting shrapnel 24 and reseting procedure steadily carry out.
In the present embodiment, reseting shrapnel 24 is by SMT (Surface Mounting Technology, surface mounting technology) technology is welded in the housing 21, as shown in Figure 7, before welding, make described reseting shrapnel 24 have certain pretension distortion earlier, the top margin 241 of reseting shrapnel 24 is upturned, like this under nature, reseting shrapnel 24 just applies support force upwards to rotation grab 25, this support force makes rotation grab 25 produce the trend that is rotated counterclockwise, and this trend makes the pothook 252 of rotation grab 25 tightly block fixedly grab 221, thereby can tightly pin lid 22.
As can be seen from Figure 7, as a kind of improvement to reseting shrapnel in the present embodiment 24, left end at the top margin 241 of reseting shrapnel 24 is provided with rib 242, rib 242 is formed by the endwise skew of top margin 241, why rib 242 to be set, be because after pressing the button, turn clockwise at rotation grab 25, in the process that reseting shrapnel 24 deforms, if it is firmly excessive during pressing button, then under state shown in Figure 6, may causing rotating grab 25, to clockwise rotate scope excessive and break away from reseting shrapnel 24, and the generation that rib 242 can prevent above-mentioned phenomenon is set.
Moreover, under nature shown in Figure 2, because the pretension effect of reseting shrapnel 24, make revotating card hook assembly 25 have the trend that is rotated counterclockwise, revotating card hook assembly 25 can be fixed grab 221 under the effect of this trend, but fixedly the reaction force of 221 pairs of revotating card hook assemblies of grab also can make it along turning clockwise, so that make it break away from reseting shrapnel 24,242 of this ribs can play and prevent that revotating card hook assembly 25 breaks away from the effect of reseting shrapnel 24.
The pretension of mentioning in the present embodiment by reseting shrapnel 24 is out of shape to pin lid 22, can prevent under the situation of slight vibrations with this, fixedly grab 221 is separated with pothook 252, in addition, as shown in Figure 8, in the present embodiment, the end 222 of matching with pothook 252 of fixing grab 221 can also be tilted towards lid 22, do not having external force effect or external force hour, this structure also can be pinned lid 22.Perhaps, on pothook 252, projection is set, the groove that cooperates with described projection is set on fixing grab 221, do not have external force effect or external force than hour, this structure can be pinned lid 22 equally.
As shown in Figure 9, as a kind of improvement to button in the present embodiment 26, button 26 is provided with the link stopper 261 that prevents that button 26 from coming off from accommodation hole 222.
As shown in figure 10, another specific embodiment for the utility model portable terminal, portable terminal and the portable terminal in the foregoing description in the present embodiment are basic identical, difference only is, adopt back-moving spring 27 to replace reseting shrapnel 24, spring 27 1 ends are installed in the housing 21, the other end links to each other with rebound 28, on rebound 28, be provided with lead 281, lead 281 is located in the back-moving spring 27, to prevent that back-moving spring 27 from departing from its center in deformation process, back-moving spring 27 roles are identical with reseting shrapnel 24 roles in the foregoing description in the present embodiment.
As shown in figure 11, above-mentioned two embodiment are particularly suitable for lid 22 and are the situation of plate lid, because such lid does not have the side of arc, thereby can't be as most of portable terminal products, on described arc-shaped side edges, make buckle, be stuck in then in the draw-in groove of mobile terminal shell.
The described portable terminal of the utility model embodiment is meant mobile phone, Personal Handyphone System, electronic dictionary, game machine, remote controller or portable information processing terminal machine etc.
The above; it only is embodiment of the present utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; can expect easily changing or replacing, all should be encompassed within the protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the described protection range of claim.