CN102238818B - Shell clamping structure - Google Patents

Shell clamping structure Download PDF

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Publication number
CN102238818B
CN102238818B CN201010163218.0A CN201010163218A CN102238818B CN 102238818 B CN102238818 B CN 102238818B CN 201010163218 A CN201010163218 A CN 201010163218A CN 102238818 B CN102238818 B CN 102238818B
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CN
China
Prior art keywords
snap fit
housing
clamping
plane
hook
Prior art date
Application number
CN201010163218.0A
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Chinese (zh)
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CN102238818A (en
Inventor
黄俊道
Original Assignee
技嘉科技股份有限公司
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Publication date
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Priority to CN201010163218.0A priority Critical patent/CN102238818B/en
Publication of CN102238818A publication Critical patent/CN102238818A/en
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Publication of CN102238818B publication Critical patent/CN102238818B/en

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Abstract

The invention discloses a shell clamping structure. The shell clamping structure is arranged between a first shell and a second shell and comprises a first clamping hook, a second clamping hook and a bidirectional fixing hook, wherein the first clamping hook and the second clamping hook are extended out of a first edge of the first shell respectively, and a first clamping part and a second clamping part are protruded out in the opposite direction parallel to the first edge; in the bidirectional fixing hook, a fixing part is extended out of a second edge of the second shell, and a first interfering part and a second interfering part are extended out of the fixing part in two directions parallel to the second edge; and when the bidirectional fixing hook is pressed or pulled by an external force, the bidirectional fixing hook interferes with the first clamping hook and the second clamping hook and enables the first clamping hook and the second clamping hook to be elastically bent in the direction parallel to the first edge so as to connect the first clamping hook with the second clamping hook or disconnect the first clamping hook from the second clamping hook.

Description

Structure for fixing casing
Technical field
The invention relates to a kind of clamping structure, especially relevant with a kind of structure for fixing casing.
Background technology
Along with the use habit of scientific and technological progress and user, the volume of electronic product is just towards the trend development of miniaturization, but at the electronics field of many precisions, even if target is only make small product size reduce one centimetre, all a challenging problem of dark tool for circuit research and development engineer, therefore, if internal circuit accommodation space can be made to increase by the design of product shell, circuit design can be made undoubtedly to have more elasticity.
Refer to Fig. 1, Fig. 1 is the first embodiment of the structure for fixing casing for known techniques.Structure for fixing casing 100 is arranged between the first housing 200 and the second housing 300, and comprise upper clamping hook 11, lower snap fit 12 and fore-set 13; Upper clamping hook 11 vertically extends upper elastic portion 111 from the first edge 21 place of the first housing 200, and along parallel first housing 200 but the disassembly direction S at vertical first edge 21 extends upper holding section 112.
Lower snap fit 12 vertically extends lower elastic portion 121 from the second edge 31 place of the second housing 300, and extend lower holding section 122 along the opposite direction of disassembly direction S.
In addition, upper holding section 112 has upper snap-latch surface 1121 and upper approaching face 1122, lower holding section 122 has lower snap-latch surface 1221 and lower approaching face 1222, wherein, upper snap-latch surface 1121 is typically designed to plane or overhead kick shape with lower snap-latch surface 1221, use when upper clamping hook 11 is engaged with lower snap fit 12 comparatively firm, upper approaching face 1122 times approaching faces 1222 are then designed to inclined-plane, use and make upper clamping hook 11 comparatively laborsaving in the process engaged with lower snap fit 12.
Fore-set 13 vertically extends from the first edge 21 place of the first housing 200, and when upper clamping hook 11 engages with lower snap fit 12, fore-set 13 just can against lower snap fit 12, to avoid loosening of upper clamping hook 11 and lower snap fit 12.
In addition, refer to Fig. 2, Fig. 2 is the second embodiment of the structure for fixing casing for known techniques.Structure for fixing casing 400 is similar with the structure for fixing casing 100 in above-mentioned first embodiment, there is upper clamping hook 41 and lower snap fit 42 equally, and upper clamping hook 41 is be made up of with upper holding section 412 upper elastic portion 411 equally, lower snap fit 42 is be made up of with lower holding section 422 lower elastic portion 421 equally, difference is that structure for fixing casing 400 does not need to possess fore-set, but make upper clamping hook 41 coordinate the spacing of the first housing 200 and the second housing 300 with the length of lower snap fit 42, when upper clamping hook 41 engages with lower snap fit 42, upper clamping hook 41 is just resisted against the second housing 300 and lower snap fit 42 is resisted against the first housing 200 just, firm engaging effect can be reached.
But no matter be which kind of above-mentioned structure, all there is the shortcoming that several are identical, first, because the first housing 200 only engages with 42 with 41 and lower snap fit 12 by upper clamping hook 11 with the second housing 300, therefore snap-latch surface 1121 and 4121 is gone up and lower snap-latch surface 1221 and 4221 can only be designed to plane or overhead kick shape, but when therefore causing user to pull lower snap fit 12 and 42 along disassembly direction S, be difficult to upper clamping hook 11 and 41 and lower snap fit 12 and 42 are departed from mutually, easily easily cause upper clamping hook 11 and 41 and lower snap fit 12 and 42 to rupture in time dismantling.
In addition, due to upper elastic portion 111 with 411 and lower elastic portion 121 with 421 in engage or in unloading process, all do elasticity bending along disassembly direction S and opposite direction thereof, therefore structure for fixing casing 100 with 400 the first housing 200 and the second housing 300 in conjunction with time, except shared thickness W1 and W2 is quite thick, also must retain the space required for the bending of its elasticity, and then cause between the first housing 200 and the second housing 300 and can diminish in power circuit board and the electronic building brick space of putting.
Summary of the invention
The present invention for solve technical problem and object:
Therefore, main purpose of the present invention is to provide a structure for fixing casing, the snap fit elasticity overbending direction of described structure for fixing casing is parallel to shell rim, and this clamping structure is used as fixing means except combining engaging with the mode of clamping, under firm prerequisite, snap fit is made not need to be designed to overhead kick shape.
The technological means that the present invention deals with problems:
A kind of structure for fixing casing is arranged between the first housing and the second housing, and this structure for fixing casing comprises the first snap fit, the second snap fit and twin fixed guide-vane to hook; First snap fit extends the first elastic portion from the first edge of the first housing to the second housing, and stretch out the first clamping part from the first elastic portion towards the first direction of the second snap fit; Second snap fit extends the second elastic portion from the first edge of the first housing to the second housing, and stretch out the second clamping part from the second elastic portion towards the second direction of the first snap fit, wherein, the first snap fit, the second snap fit and the first housing define grasping part; It is extend fixed part from the second edge of the second housing to the first housing that twin fixed guide-vane hooks, and the first interference part is extended along second direction by self-retaining portion, and the second interference part is extended along first direction by self-retaining portion.
When twin fixed guide-vane hooks the first external force extruding be subject to towards the first housing, first interference part and the first clamping part are produced interfere, and when the second interference part and the second clamping part being produced interfere, first snap fit is toward the bending of second direction elasticity, and the second snap fit is toward the bending of first direction elasticity, and then twin fixed guide-vane hook is made to be placed in grasping part; Be subject to pullling towards the second external force of the second housing when twin fixed guide-vane hooks, first interference part and the first clamping part are produced interfere, and when the second interference part and the second clamping part being produced interfere, first snap fit is toward the bending of second direction elasticity, and the second snap fit is toward the bending of first direction elasticity, and then twin fixed guide-vane is made to hook disengaging grasping part.
In a preferred embodiment of the present invention, first clamping part stretches out towards first direction convergent from the first elastic portion, and the first clamping part has inclined-plane in first in contiguous first housing place, and in relative side, there is the first outer inclined-plane, in first, inclined-plane tilts towards the second housing from the end of the first snap fit, and the first outer inclined-plane tilts towards the first housing from the end of the first snap fit; Similarly, second clamping part stretches out towards second direction convergent from the second elastic portion, and the second clamping part has inclined-plane in second in contiguous first housing place, and in relative side, there is the second outer inclined-plane, in second, inclined-plane tilts towards the second housing from the end of the second snap fit, and the second outer inclined-plane tilts towards the first housing from the end of the second snap fit.
In another preferred embodiment of the present invention, the first interference part is that self-retaining portion extends along second direction convergent, and the second interference part is self-retaining portion extends along first direction convergent.
In another preferred embodiment of the present invention, the first housing offers most individual grooves in the first contiguous first snap fit in edge and the second snap fit place, uses increase by first snap fit and the second snap fit bends space in elasticity.
The present invention contrasts effect of prior art:
Compared to known structure for fixing casing, the present invention utilizes the first snap fit, the second snap fit engages and clamp twin fixed guide-vane hook, use and to enable in first inclined-plane in inclined-plane and second be designed to inclined-plane and the plane of non-conventional or overhead kick shape, therefore, it is possible to easier dismantle.
In addition, because the elasticity overbending direction of the first snap fit and the second snap fit is parallel to shell rim when dismounting, compared to known structure for fixing casing, effectively enclosure interior space can be reserved to circuit board and electronic building brick uses.
Further, groove is offered by contiguous first snap fit in the first edge and the second snap fit place, can increase by the first snap fit and the second snap fit bends space in elasticity, and be equal to the length of increase by first elastic portion and the second elastic portion, compared to known structure for fixing casing, more not easily rupture because of dismounting.
Specific embodiment of the present invention, is further described by following embodiment and accompanying drawing.
Accompanying drawing explanation
Fig. 1 is the first embodiment of the structure for fixing casing for known techniques;
Fig. 2 is the second embodiment of the structure for fixing casing for known techniques;
Fig. 3 is the disengaged position schematic diagram for structure for fixing casing of the present invention; And
Fig. 4 is the fixing view for structure for fixing casing of the present invention.
Embodiment
The invention relates to a kind of clamping structure, especially relevant with a kind of structure for fixing casing.Below enumerate a preferred embodiment so that the present invention to be described, but the technical staff knowing this skill all knows that this is just a citing, and be not used for limiting invention itself.About the detailed description of this preferred embodiment is as follows.
Refer to Fig. 3 and Fig. 4, Fig. 3 is the disengaged position schematic diagram for structure for fixing casing of the present invention, and Fig. 4 is the fixing view for structure for fixing casing of the present invention.Structure for fixing casing 500 is arranged between the first housing 200 and the second housing 300, and this structure for fixing casing 500 comprises the first snap fit 51, second snap fit 52 and twin fixed guide-vane hook 53; First snap fit 51 extends the first elastic portion 511 from the first edge 21 place of the first housing 200 to the second housing 300, and stretch out the first clamping part 512 from the first direction S1 that namely the first elastic portion 511 is also parallel to the first edge 21 towards the second snap fit 52.
Second snap fit 52 extends the second elastic portion 521 from the first edge 21 place of the first housing 200 to the second housing 300, and also namely stretch out the second clamping part 522 in contrast to the second direction S2 of first direction S1 from the second elastic portion 521 towards the first snap fit 51, wherein, the first snap fit 51, second snap fit 52 and the first housing 200 define grasping part H.
It is extend fixed part 531 from the second edge 31 place of the second housing 300 to the first housing 200 that twin fixed guide-vane hooks 53, and the first interference part 532 is extended along second direction S2 by self-retaining portion 531, and the second interference part 533 is extended along first direction S1 by self-retaining portion 531.
Be subject to towards the first external force F1 extruding of the first housing 200 when twin fixed guide-vane hooks 53, first interference part 532 and the first clamping part 512 are produced interfere, and when the second interference part 533 and the second clamping part 522 being produced interfere, first snap fit 51 is toward the bending of second direction S2 elasticity, and the second snap fit 52 is toward the bending of first direction S1 elasticity, and then twin fixed guide-vane hook 53 is made to be placed in grasping part H.
Be subject to pullling towards the second external force F2 of the second housing 300 when twin fixed guide-vane hooks 53, first interference part 532 and the first clamping part 512 are produced interfere, and when the second interference part 533 and the second clamping part 522 being produced interfere, first snap fit 51 is toward the bending of second direction S2 elasticity, and the second snap fit 52 is toward the bending of first direction S1 elasticity, and then twin fixed guide-vane is made to hook 53 disengaging grasping part H.
Comprehensive the above, compared to known structure for fixing casing 100 and 400, structure for fixing casing 500 of the present invention due to when dismounting the elasticity overbending direction of the first snap fit 51 and the second snap fit 52 be parallel to the first edge 21 and the second edge 31, therefore the inner space shared by structure for fixing casing 500 only has the first snap fit 51, second snap fit 52 or twin fixed guide-vane to hook the thickness W3 of 53, elasticity bending also can not conflict with enclosure interior accommodation space to some extent, therefore, it is possible to effective, enclosure interior space is reserved to circuit board and electronic building brick uses.
In addition, in order to more preferably operability and durability can be had, preferably in the present embodiment, first clamping part 512 stretches out towards first direction S1 convergent from the first elastic portion 511, and the first clamping part 512 has inclined-plane 5121 in first in contiguous first housing 200 place, and there is in relative side the first outer inclined-plane 5122, in first, inclined-plane 5121 tilts towards the second housing 300 from the end of the first snap fit 51, and the first outer inclined-plane 5122 tilts towards the first housing 200 from the end of the first snap fit 51; In like manner, second clamping part 522 stretches out towards second direction S2 convergent from the second elastic portion 521, and the second clamping part 522 has inclined-plane 5221 in second in contiguous first housing 200 place, and there is in relative side the second outer inclined-plane 5222, in second, inclined-plane 5221 tilts towards the second housing 300 from the end of the second snap fit 52, and the second outer inclined-plane 5222 tilts towards the first housing 200 from the end of the second snap fit 52.
Further, first interference part 532 is that self-retaining portion 531 extends along second direction S2 convergent, and the second interference part 533 is self-retaining portions 531 extends along first direction S1 convergent, and the first interference part 532 and the second interference part 533 can have the corresponding inserting surface 5321 and 5331 of the gradient on outer inclined-plane 5122 and the second outer inclined-plane 5222 with first towards the side of the first housing 200, being used to twin fixed guide-vane hooks in the process of 53 insertion grasping part H, against the first outer inclined-plane 5122 and the second outer inclined-plane 5222, and effect twin fixed guide-vane being hooked 53 importing grasping part H is provided, in like manner, first interference part 532 and the second interference part 533 towards the side of the second housing 300 can have with first in the gradient on inclined-plane 5221 is corresponding in inclined-plane 5121 and second face of extracting 5322 and 5332, being used to twin fixed guide-vane hook 53 extracts in the process of grasping part H, inclined-plane 5221 in inclined-plane 5121 and second in first, and provide twin fixed guide-vane is hooked the effect that 53 derive grasping part H, engaged and hold by the first snap fit 51 with the second snap fit 52 because twin fixed guide-vane hooks 53 when the state of fixing, therefore, it is possible under the prerequisite of possessing firm engaging, for the easier insertion of user and choose.
But, be stressed that, above-mentioned structure is an ideal structure for fixing casing 500, in fact, first clamping part 512, second clamping part 522, first interference part 532 and the second interference part 533 might not have inclined-plane 5121 in first simultaneously, inclined-plane 5221 in second, first outer inclined-plane 5122, second outer inclined-plane 5222, inserting surface 5321 and 5331 and extract face 5322 and 5332, for insertion process, only need that there is the first outer inclined-plane 5122 and the second outer inclined-plane 5222, or inserting surface 5321 and 5331, namely easier insertion is available for users to, in like manner, for withdrawal process, also only to need to have in first inclined-plane 5221 in inclined-plane 5121 and second, or extract face 5322 and 5332, be namely available for users to easier extracting.
Finally, in preferred embodiment of the present invention, first housing 200 more can offer most groove H2, H3 and H4 in contiguous first snap fit 51 and the second snap fit 52 place in the first edge 21, thus, except the length of the first elastic portion 511 and the second elastic portion 521 can be made longer, the elasticity that also can increase the first snap fit 51 and the second snap fit 52 bends space, and therefore make the first snap fit 51 and the second snap fit 52 more not easily rupture because of dismounting, significantly increase the durability of inventive shell clamping structure 500.
By the above detailed description of preferred embodiments, be wish clearly to describe feature of the present invention and spirit, and not with above-mentioned disclosed preferred embodiment, category of the present invention limited.On the contrary, its objective is wish to contain various change and tool equality be arranged in the present invention institute in the category of Patent right requirement applied for.

Claims (4)

1. a structure for fixing casing, is characterized in that comprising:
One one first snap fit and one second snap fit being arranged at one first housing; And the two-way fixed hook that is arranged at one second housing;
Wherein, described first snap fit extends one first elastic portion from one first edge of described first housing to described second housing, and stretch out one first clamping part from described first elastic portion towards a first direction of described second snap fit;
Described second snap fit, extend one second elastic portion from the first edge of described first housing to described second housing, and stretch out one second clamping part from described second elastic portion towards a second direction of described first snap fit, wherein, described first snap fit, described second snap fit and described first housing define a grasping part;
Described first housing offers most grooves in contiguous described first snap fit in described first edge and described second snap fit place; And
Described twin fixed guide-vane hooks, extend a fixed part from one second edge of described second housing to described first housing, and extend one first interference part from described fixed part along described second direction, and extend one second interference part from described fixed part along described first direction;
Wherein, one is subject to towards the first external force extruding of described first housing when described twin fixed guide-vane hooks, described first snap fit is toward described second direction elasticity bending, and described second snap fit is toward described first direction elasticity bending, and then makes described twin fixed guide-vane hook be placed in described grasping part; Pull towards the second external force of described second housing when described twin fixed guide-vane hook is subject to one, described first snap fit is toward described second direction elasticity bending, and described second snap fit is toward described first direction elasticity bending, and then described twin fixed guide-vane is made to hook the described grasping part of disengaging.
2. according to structure for fixing casing according to claim 1, it is characterized in that described first clamping part stretches out towards described first direction convergent from described first elastic portion, and described second clamping part stretches out towards described second direction convergent from described second elastic portion.
3. according to structure for fixing casing according to claim 2, it is characterized in that described first clamping part has inclined-plane in one first in contiguous described first housing place, and in relative side, there is one first outer inclined-plane, in described first, inclined-plane tilts towards described second housing from the end of described first snap fit, and described first outer inclined-plane tilts towards described first housing from the end of described first snap fit; And described second clamping part has inclined-plane in one second in contiguous described first housing place, and in relative side, there is one second outer inclined-plane, in described second, inclined-plane tilts towards described second housing from the end of described second snap fit, and described second outer inclined-plane tilts towards described first housing from the end of described second snap fit.
4., according to structure for fixing casing according to claim 1, it is characterized in that described first interference part is extended along described second direction convergent from described fixed part, and described second interference part is extended along described first direction convergent from described fixed part.
CN201010163218.0A 2010-04-30 2010-04-30 Shell clamping structure CN102238818B (en)

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CN201010163218.0A CN102238818B (en) 2010-04-30 2010-04-30 Shell clamping structure

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CN102238818B true CN102238818B (en) 2015-05-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106932945A (en) * 2017-05-03 2017-07-07 苏州佳世达电通有限公司 Frame-free displaying device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI695662B (en) * 2019-04-03 2020-06-01 群光電能科技股份有限公司 Butting structure and assembling method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6034751A (en) * 1996-04-23 2000-03-07 Nec Corporation Elastically deformed retaining members within retaining structure of LCD panel for electronic equipment
TWM296500U (en) * 2006-03-21 2006-08-21 Lotes Co Ltd Buckling device
TW200843611A (en) * 2007-04-18 2008-11-01 zheng-jian Xu Interlocking structure

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6034751A (en) * 1996-04-23 2000-03-07 Nec Corporation Elastically deformed retaining members within retaining structure of LCD panel for electronic equipment
TWM296500U (en) * 2006-03-21 2006-08-21 Lotes Co Ltd Buckling device
TW200843611A (en) * 2007-04-18 2008-11-01 zheng-jian Xu Interlocking structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106932945A (en) * 2017-05-03 2017-07-07 苏州佳世达电通有限公司 Frame-free displaying device

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