CN2621386Y - Casing structure - Google Patents

Abstract

The utility model relates to a shell construction, and comprises a first semi-shell and a second semi-shell. At least a first connecting piece and at least a first anti-thrust part are provided on the inner wall of the first semi-shell. At least a second connecting piece and at least a second anti-thrust part are provided on the inner wall of the second semi-shell. Each second anti-thrust part is provided with a gap. When the first semi-shell and the second semi-shell are joined, the first anti-thrust can be arranged in the gap to form an anti-thrust action by means of mutual clash. In addition, sections of the first semi-shell and the second semi-shell are equal and are uniform to avoid shadow resulting from different thickness.

Description

Shell structure

Technical field

The utility model relates to a kind of shell structure, particularly relates to a kind of stressed shell structure that does not produce sidesway and do not give birth to the thickness shadow.

Background technology

Fig. 1 is the stereogram of the shell structure B (B1, B2, B3) in the general known technology of expression.This shell structure B be by a lower half shell H1, a upper half shell H2 the hollow member of splicing mutually and forming, so with (for example: electronic installations such as disc driver, CD-ROM drive) coat for an object E.On the position, boundary between upper and lower half shell H1, the H2 after the combination is to be formed with an engaging zones J.

Below will be by this shell structure B among Fig. 1 as the basis so that following 3 kinds of common known shell structure B1, B2, B3 to be described.

See also Fig. 2 A-Fig. 2 C.

Fig. 2 A is the partial perspective view that expression is dissectd for this shell structure B according to the plane T1-T1 among Fig. 1, whereby so that the dependency structure of first kind of known shell structure B1 to be described, Fig. 2 B is the partial side view of presentation graphs 2A, and Fig. 2 C is the profile that expression is advanced along the line segment X-X among Fig. 2 B.

In Fig. 2 A, this lower half shell H1 includes a sidewall W1-1 and at least one locating convex block C-1, and wherein, these locating convex blocks C-1 is arranged on the interior sidewall surface of this sidewall W1-1 with interval mode.This upper half shell H2 includes a sidewall W1-2 and at least one spacer C-2, and wherein, these spacers C-2 is arranged on the interior sidewall surface of this sidewall W1-2 with interval mode, and is to have a location hole C-3 on each spacer C-2.

When each the locating convex block C-1 that is directed in this lower half shell H1 respectively as the location hole C-3 with each spacer C-2 of this upper half shell H2 goes up, then can finish the combination between this upper and lower half shell H1, H2, and two side W1-1, the W1-2 of this upper and lower half shell H1, H2 of combination divide into the space IS/OS of inside/outside portion with this shell structure B1 mutually, wherein, inner space IS is in order to accommodate this object E (as shown in Figure 1).

In the partial enlarged drawing of Fig. 2 B, this engaging zones J1 between two side W1-1, the W1-2 presents a slit, is the structure that can see this shell structure B1 inside via this engaging zones J1, and this is not the ideal designs structure.

Fig. 2 D be expression according to the structure of Fig. 2 C in the state diagram that is subjected under the strength F effect.When this strength F acts on this upper half shell H2 and since this spacer C-2 of part can with locating convex block C-1 that its institute combines between separate the disengaging improperly that may cause between this lower half shell H1, this upper half shell H2 like this.

See also in Fig. 3 A, 3B.

Fig. 3 A is the partial perspective view that expression is dissectd for this shell structure B according to the plane T1-T1 among Fig. 1, and so that the dependency structure of second kind of known shell structure B2 to be described, Fig. 3 B is the partial side view of presentation graphs 3A whereby.

In Fig. 3 A, this shell structure B2 includes two side W2-1, the W2-2 that adjoins each other, and two ladder end M21, M22 on the free end of each sidewall W2-1, W2-2 abut one another, and have an engaging zones J2 between two side W2-1, W2-2.

Different is with the shell structure B1 (being to present straight ended M11, M12 on the free end of two side W1-2, the W1-2 of this shell structure B1) of first known technology, this shell structure B2 is between two ladder end M21, the M22 on its two side W2-1, the W2-2 and engaging mutually, other structure, function and pairing symbol thereof that is relevant to this locating convex block C-1, this spacer C-2 etc. does not all change, and is just no longer sewed in this and states.

See also Fig. 3 C, 3D.

Fig. 3 C is the profile after the line segment Y-Y of expression in Fig. 3 B cuts, and Fig. 3 D is expression according to the structure of Fig. 3 C in the state diagram that is subjected under the strength F effect.

Shown in Fig. 3 D, two side W2-1 at this shell structure B2, two ladder end M21 on the W2-2, under the snap action between the M22, from space outerpace OS is the dependency structure that can't see the inner space IS of this shell structure B2 via engaging zones J2, but when this strength F acts on this sidewall W2-2, because this moment, the ladder end M21 of this sidewall W2-1 can't stop for this sidewall W2-2 that is offset effectively, this spacer C-2 of part can with locating convex block C-1 that its institute combines between separate, so may cause this two side W2-1, improper disengaging between the W2-2.

In addition, because the ladder end M21 of this sidewall W2-1 adopts not wait uniform cross section structure, in the process of ejection formation, just can on its lateral surface, form bad phenomenon (shown in Fig. 3 E) such as thickness shadow K, that is, when in the finished product design, the thick offset of meat being arranged (shown in Fig. 3 F), then be easy to generate thickness shadow K, quite bad influence arranged for product appearance in the behind of offset.

See also in Fig. 4 A, 4B.

Fig. 4 A is the partial perspective view that expression is dissectd for this shell structure B according to the plane T1-T1 among Fig. 1, and so that the dependency structure of the third known shell structure B3 to be described, Fig. 4 B is the partial side view of presentation graphs 4A whereby.

In Fig. 4 A, this shell structure B3 includes two side W3-1, the W3-2 that adjoins each other, and two ladder end M31, M32 on the free end of each sidewall W3-1, W3-2 abut one another, and have an engaging zones J3 between two side W3-1, W3-2.

Shell structure B2 (two ladder end M21, M22) with second known technology)) different is, between this two ladder end M31, M32 the geometry of clamping just with two ladder end M21, the M22 of second known technology between the geometry of clamping opposite fully.Other structure, function and pairing symbol thereof that is relevant to this locating convex block C-1, this spacer C-2 etc. does not all change, and is just no longer sewed in this and states.

See also Fig. 4 C, 4D.

Fig. 4 C is the profile after the line segment Z-Z of expression in Fig. 4 B cuts, and Fig. 4 D is expression according to the structure of Fig. 4 C in the state diagram that is subjected under the strength F effect.

Shown in Fig. 4 C, under the snap action between two ladder end M31, the M32 on two side W3-1, the W3-2 of this shell structure B3, from space outerpace OS is the dependency structure that can't see the inner space IS of this shell structure B3 via engaging zones J3, and, be not produce skew or improper disengaging between this sidewall W3-1, W3-2 because of the external strength effect under the clamping effect between two ladder end M31, the M32 and under the snapping effect between this locating convex block C-1, this spacer C-2.

Yet,, thereby, quite bad influence is arranged for product appearance just can on its lateral surface, forming bad phenomenon such as thickness shadow K behind the ejection formation because the ladder end M32 of this sidewall W3-2 adopts not wait the uniform cross-section structure.

Summary of the invention

In view of this, it is to produce skew or improper disengaging because of the external strength effect that the purpose of this utility model is to solve between above-mentioned housing sidewall, can see the dependency structure of shell structure inside by engaging zones, and because the ladder end employing of sidewall does not wait the uniform cross-section structure, and a kind of shell structure is proposed just can on its lateral surface, forming the problem of bad phenomenon such as thickness shadow K behind the ejection formation, this shell structure is under the barrier effect of second push stopping part of the second half shells, just can't see the dependency structure of this shell structure inside by engaging zones, and first wall, second wall is to wait uniform cross-section, and second push stopping part is only for being formed at a continuous projection of end face and comparatively close this second inwall, thereby at first wall, be can be in the ejection formation process of second wall in first lateral surface, form bad phenomenon such as thickness shadow on second lateral surface, second push stopping part by the second half shells, be to prevent that the first wall and second wall are offset improperly towards the inner space under first connecting portion that each fastens mutually and the acting in conjunction of second connecting portion, and then avoid the first half shells and the second half shells to break away from.

The utility model can be realized by following measure:

A kind of shell structure has an inner space, and this shell structure comprises:

One the first half shell has a first wall, at least one first connecting portion and at least one first push stopping part, and this first wall has one first inwall; And

One the second half shell, be adjacent to this first half shell, this the second half shell is to have one second wall, at least one second connecting portion and at least one second push stopping part, this second wall is to have one second inwall, this second inwall be with this first inwall jointly toward this inner space, and this second connecting portion is to be incorporated into this first connecting portion in separable mode, wherein:

This first push stopping part is to be arranged at this first wall and toward this second half shell, this first push stopping part of this first half shell has a breach that is adjacent to this first inwall, when mutually combining between this first connecting portion and this second connecting portion, this second push stopping part is to place this breach with this first push stopping part with the form that forms thrust function mutually inimically.

Described shell structure, this second push stopping part are to be extended by this second inwall to protrude from this second wall side.

Described shell structure, this first connecting portion, this first push stopping part are to be shaped on this first wall.

Described shell structure, this second connecting portion, this second push stopping part are to be shaped on this second wall.

Described shell structure, this first push stopping part is made of at least one projection.

Described shell structure, this second push stopping part are that the protrusion mode is arranged at this second wall side.

Described shell structure, this first wall such as have at uniform cross-section.

Described shell structure, this second wall such as have at uniform cross-section.

Described shell structure, this first connecting portion are to be a location projection, and this second connecting portion is to be-location hole.

Described shell structure, this second wall have a L type cross section, and this second wall is adjacent to this first push stopping part, and this second push stopping part is adjacent to this first wall.

Described shell structure, this first connecting portion, this first push stopping part are to be shaped on this first wall.

Described shell structure, this second connecting portion, this second push stopping part are to be shaped on this second wall.

Described shell structure, this first push stopping part is made of at least one projection.

Described shell structure, this second push stopping part are to be arranged at this second wall side in the protrusion mode.

Described shell structure, this first wall such as have at uniform cross-section.

Described shell structure, this second wall such as have at uniform cross-section.

Described shell structure, this first connecting portion are to be a location projection, and this second connecting portion is to be a location hole.

Described shell structure, this second wall are to include a mainboard and a wing plate, and this mainboard is uniform cross-section such as to have, and this wing plate is uniform cross-section such as to have.

Described shell structure, second push stopping part of this second inwall is an extension board, and first push stopping part of this first inwall is located at the flank of this inwall, and this flank is adjacent to this second inwall place and has the breach isometric with this extension board;

Wherein when this first half shell combined with this second half shell, this extension board was to be embedded in this breach.

Described shell structure, this extension board are that the end by this second inwall extends a tablet.

Described shell structure, this second inwall has a Z-shaped end face, and this Z-shaped end face has one second push stopping part, and this second push stopping part is an extension board; And

This first push stopping part of this first inwall is to be located at the flank of this inwall, and this flank is adjacent to the breach that this second inwall place has a degree of depth and this extension board equal in length;

Wherein when this first half shell combined with this second half shell, this extension board was to be embedded in this breach.

Advantage of the present utility model is:

Shell structure of the present utility model is under the barrier effect of second push stopping part of the second half shells, just can't see the dependency structure of this shell structure inside by engaging zones, and first wall, second wall is to wait uniform cross-section, and second push stopping part is only for being formed at a continuous projection of end face and comparatively close this second inwall, thereby at first wall, be can be in the ejection formation process of second wall in first lateral surface, form bad phenomenon such as thickness shadow on second lateral surface, again because second push stopping part of the second half shells, the both ends of first push stopping part, be to prevent that the first wall and second wall are offset improperly towards the inner space under first connecting portion that each fastens mutually and the acting in conjunction of second connecting portion, and then avoid the first half shells and the second half shells to break away from.

For above-mentioned and other purpose of the present utility model, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and cooperate appended icon, be described in detail below.

Description of drawings

Fig. 1 is the stereogram of expression according to the shell structure in the known technology (B);

Fig. 2 A is the partial perspective view that expression is dissectd for this shell structure (B) according to the plane T1 among Fig. 1, whereby so that the dependency structure of first kind of known shell structure (B1) to be described;

Fig. 2 B is the partial side view of presentation graphs 2A then;

Fig. 2 C is the profile that expression is advanced along the line segment (X-X) among Fig. 2 B;

Fig. 2 D be expression according to the structure of Fig. 2 C in the state diagram that is subjected under a strength (F) effect;

Fig. 3 A is the partial perspective view that expression is dissectd for this shell structure (B) according to the plane T1 among Fig. 1, whereby so that the dependency structure of second kind of known shell structure (B2) to be described;

Fig. 3 B is the partial side view of presentation graphs 3A;

Fig. 3 C is the profile that expression is advanced along the line segment (Y-Y) among Fig. 3 B;

Fig. 3 D be expression according to the structure of Fig. 3 C in the state diagram that is subjected under a strength (F) effect;

Fig. 3 E is that expression thickness shadow may appear at the position figure in the structure shown in Fig. 3 C;

Fig. 3 F is the dependency structure schematic diagram that may produce thickness shadow of expression product behind ejection forming technique;

Fig. 4 A is the partial perspective view that expression is dissectd for this shell structure (B) according to two planes among Fig. 1 (T1, T2), whereby so that the dependency structure of the third known shell structure (B3) to be described;

Fig. 4 B is the partial side view of presentation graphs 4A;

Fig. 4 C is the profile that expression is advanced along the line segment (Z-Z) among Fig. 4 B;

Fig. 4 D be expression according to the structure of Fig. 4 C in the state diagram that is subjected under the strength F effect;

Fig. 5 is the stereogram of expression according to the shell structure (P1) of the utility model first embodiment;

Fig. 6 A is the partial perspective view that expression is dissectd for this shell structure (P1) according to the planar I-I among Fig. 5;

Fig. 6 B is the exploded perspective view of presentation graphs 6A then;

Fig. 6 C is the partial enlarged drawing of the zone of presentation graphs 6B (R1) then;

Fig. 6 D is the partial side view of presentation graphs 6A;

Fig. 6 E is the profile that the line segment (A-A) in Fig. 6 D carries out sectility;

Fig. 7 is the stereogram of expression according to the shell structure (P2) of the utility model second embodiment;

Fig. 8 A is the partial perspective view that expression is dissectd for this shell structure (P2) according to the planar I II among Fig. 7;

Fig. 8 B is the exploded perspective view of presentation graphs 8A then;

Fig. 8 C is the partial enlarged drawing of expression according to the zone (R2) of Fig. 8 B;

Fig. 8 D is that expression is according to the partial side view among Fig. 8 C; And

Fig. 8 E is the profile that expression is carried out along the line segment (B-B) among Fig. 8 D.

Wherein, description of reference numerals is as follows:

1～the first half shell

10～first wall

100～end face

10S1,10S2～first inner-outer wall

11～the first connecting portions

12～the first push stopping part

121,122～catch

121E, 122E～end

I, III plane

2～the second half shells

2 '～the second half shell

20～the second walls

20 '～the second wall

20 '-1～mainboard

20 '-2,20 '-3～wing plate

20 ' S1,20 ' S2～second inner-outer wall

200 '～end face

20-1～mainboard

20-2～wing plate

20S1,20S2～second inner-outer wall

21～the second connecting portions

21 '～the second connecting portion

210～spacer

22～the second push stopping part

22 '～the second push stopping part

50～breach

A-A, B-B～line segment

B, B 1, B2, B3～shell structure

C-1～locating convex block

C-2～spacer

C-3～location hole

E～object

F, F '～strength

H, h '～distance

H1～lower half shell

H2～upper half shell

IS～inner space

J, J1, J2, J3～engaging zones

K～thickness shadow

L1, L2～engaging zones

M11, M12～straight ended

M21, M22～ladder end

M31, M32～ladder end

OS～space outerpace

P1～shell structure

P2～shell structure

R1, R2～zone

T1, T2～plane

W1-1, W1-2～sidewall

W2-1, W2-2～sidewall

W3-1, W3-2～sidewall

X-X, Y-Y, Z-Z～line segment

Embodiment

First embodiment

See also Fig. 5, Fig. 5 be expression according to the stereogram of the utility model shell structure P1, this shell structure P1 is in order to for an object E (for example: electronic installations such as disc driver, CD-ROM drive) coat.

This shell structure P1 comprises one the first half shell 1 and one the second half shell 2, wherein, be to splice mutually and form a hollow member between this first half shell 1 and this second half shells 2, and between this first half shell 1 that mutually combines and this second half shells 2, be formed with an engaging zones L1.Symbol I is a virtual plane,, and will one dissect the position and propose to describe in detail at this in Fig. 6 A-6E carrying out dissecing of local location for this shell structure P1 by this planar I.

See also Fig. 6 A, 6B, Fig. 6 A is the partial perspective view that expression is dissectd for this shell structure P1 according to the planar I among Fig. 5, and Fig. 6 B is the exploded perspective view of presentation graphs 6A then, and Fig. 6 C is the partial enlarged drawing of presentation graphs 6B then.

Shown in Fig. 6 B, this first half shell 1 includes a first wall 10, at least one first connecting portion 11 (a for example trip) and at least one first push stopping part 12 (a for example flank).This first wall 10 is to wait the uniform cross-section plate for what have an outer/inner wall 10S1/10S2 of first inwall, and has an end face 100 on the position with respect to this first wall 10 of this second half shell 2.At least one first connecting portion 11 and at least one first push stopping part 12 are to be arranged on the first inwall 10S2 of this first wall 10 with interval mode.

In present embodiment, at least one first connecting portion 11, at least one first push stopping part 12 are to be arranged on this first wall 10 in one-body molded mode, each first push stopping part 12 is to be made of 121,122 of two catch that are arranged at this first inwall 10S2, wherein, two catch the 121, the 122nd are the projection that is parallel to each other, and this first connecting portion 11 is to be arranged between this catch 121, this catch 122.

This second half shell 2 includes one second wall 20, at least one second connecting portion 21 and one second push stopping part 22.This second wall 20 be by a mainboard 20-1 and a wing plate 20-2 constituted have the outer/inner wall 20S1/20S2 of second inwall etc. the uniform cross-section plate, and on position, be to have an end face 200 with respect to this second wall 20 of this first half shell 1.At least one second connecting portion 21 is to be arranged on the second inwall 20S2 of this second wall 20 with interval mode, and this second push stopping part 22 is to extend a extension board on the end face 200 protrude from second wall 20 by this second inwall 20S2.

In present embodiment, each second connecting portion 21 is for being arranged at the hole on the spacer 210, and this second push stopping part 22 is to protrude from the continuous sheet flange of one on the end face 200 by the second inwall 20S2, and second connecting portion 21, second push stopping part 22 are to be arranged on second wall 20 in one-body molded mode.

When the combination carried out between the first half shells 1 and the second half shells 2, each spacer 210 of the second half shells 2 is each first push stopping part 12 (each the two parallel catch 121 that at first is directed in the first half shells 1, between 122), and when the end face 200 of the second half shells 2 is about to be connected to the end face 100 of this first half shell 1, each second connecting portion 21 just immediately and produce between each first connecting portion 11 and fasten, so just finished the assembly program of this shell structure P1, that is, when mutually combining between first connecting portion 11 and second connecting portion 21, second push stopping part 22 is adjacent to the first inwall 10S2.

Shown in the partial enlarged drawing of Fig. 6 C, second push stopping part 22 is to extend the tablet that a length is h from the end face 200 and the second inwall 20S2, and end 121E, the 122E of first push stopping part 12 to have a length respectively be h and the breach (notch) 50 that is adjacent to the first inwall 10S2.When the first half shells combined with the second half shells, this second push stopping part 22 can place this breach 50, and breach 50 can cooperate forming thrust function mutually inimically with second push stopping part 22 thus, that is can offset shown in Fig. 6 E by the power F of shell to inner casing.

See also Fig. 6 D, 6E.

Fig. 6 D represents that according to the partial side view among Fig. 6 A Fig. 6 E is the profile that expression is done along the line segment A-A among Fig. 6 D.

In Fig. 6 E, the end face 200 of finishing the second half shells 2 among the shell structure P1 after the combination is to be connected on the end face 100 of the first half shells 1, and the space IS/OS of inside/outside portion divided into shell structure P1 jointly by second wall 20 by the first wall 10 of the first half shells 1, the second half shells 2, wherein, inner space IS is in order to accommodate object E (as shown in Figure 5).

Under the barrier effect of second push stopping part 22 of the second half shells 2, just can't see the dependency structure of this shell structure P1 inside by engaging zones L1 (Fig. 5).Moreover, a strength F who bears from the outside when the first wall 10 of the first half shells 1 does the time spent, be to prevent that first wall 10 is offset improperly towards the inner space under the acting in conjunction of second push stopping part 22 of the second half shells 2, first connecting portion 11 that each fastens mutually and second connecting portion 21, and then avoid the first half shells 1 and the second half shells 2 to break away from; A strength F ' who bears from the outside when second wall 20 of the second half shells 2 does the time spent, under the acting in conjunction of the both ends 121E/122E of each first push stopping part 12 of the first half shells 1, first connecting portion 11 that each fastens mutually and second connecting portion 21 is to prevent that second wall 20 is offset improperly towards the inner space.

In addition, can know by Fig. 6 E and to find out, first wall 10 in the present embodiment, second wall 20 are in uniform cross-section such as coming down to present, and second push stopping part 22 is only for being formed at end face 200 and comparatively near the continuous projection of this second inwall 20S2, thereby is not form bad phenomenon such as thickness shadow on the first lateral surface 10S1, the second lateral surface 20S1 in the ejection formation process of first wall 10, second wall 20.

Second embodiment

See also Fig. 7, Fig. 7 be expression according to the stereogram of the utility model shell structure P2, this shell structure P2 coats for this object E by one the first half shell 1 of mutual combination and one the second half shell 2 '.

Different locates with first embodiment is to be that shell structure P2 adopts the second half shells 2 ' of another modified form, and other structure, symbol that is relevant to this first half shell 1 all changes, and is just no longer sewed in this and states.

See also Fig. 8 A, 8B, Fig. 8 A is the partial perspective view that expression is dissectd for this shell structure P2 according to the planar I II among Fig. 7, and Fig. 8 B is the exploded perspective view of presentation graphs 8A then.

In Fig. 8 B, this second half shell 2 ' includes one second wall 20 ', at least one second connecting portion 21 ' and one second push stopping part 22 '.This second wall 20 ' is by a mainboard 20 '-1 and first wing plate 20 '-2, the plate such as uniform cross-section such as grade that second wing plate 20 '-3 constituted with the outer/inner wall 20 ' S1/20 ' S2 of second inwall, wherein, the end of mainboard 20 '-1 also is bent to form first wing plate 20 '-2 of a thinner thickness, and first wing plate 20 '-2, second wing plate 20 '-the 3rd, respectively with perpendicular on the longitudinally of mainboard 20 '-1 and extend (that is, mainboard 20 '-1, this two wing plate 20 '-2, the 20 '-3rd, present a U type cross section structure jointly, wherein, mainboard 20 '-1 and first wing plate 20 '-2 and second push stopping part 22 ' present the cross section structure of a similar Z type, mainboard 20 '-1 and second wing plate 20 '-3 present the cross section structure of a L type), and on the position with respect to this second wall 20 ' of this first half shell 1 is to have an end face 200 ', and this second push stopping part 22 ' is to be convexly set on this end face 200 '.Each second connecting portion 21 ' is to be arranged on second inwall, the 20 ' S2 of this second wall 20 ' with interval mode and with respect to the mode of each first connecting portion 11 of this first half shell 1.

See also Fig. 8 C, 8D.

Fig. 8 C is the partial enlarged drawing of expression according to the zone (R2) of Fig. 8 B, and Fig. 8 E is the profile that expression is advanced along the line segment B-B among Fig. 8 D.

In Fig. 8 E, the end face 200 ' of finishing this second half shell 2 ' among this shell structure P2 after the combination is to be connected on the end face 100 of this first half shell 1, and jointly this shell structure P2 is divided into the space IS/OS of inside/outside portion by second wall 20 ' of the first wall 10 of this first half shell 1, this second half shell 2 '.

Under the barrier effect of second push stopping part 22 ' of this second half shell 2 ', just can't see the dependency structure of this shell structure P2 inside by this engaging zones L2 (Fig. 7).Moreover, a strength F who bears from the outside when the first wall 10 of this first half shell 1 does the time spent, be to prevent that this first wall 10 is offset improperly towards the inner space under the acting in conjunction of second push stopping part 22 ' of this second half shell 2 ', first connecting portion, 11/ second connecting portion 21 ' that each fastens mutually, and then avoid the disengaging of the first half shells 1 and the second half shells 2; A strength F ' who bears from the outside when second wall 20 of this second half shell 2 does the time spent, under the acting in conjunction of the both ends 121E/122E of each first push stopping part 12 of this first half shell 1, first connecting portion, 11/ second connecting portion 21 that each fastens mutually is to prevent that this second wall 20 is offset improperly towards the inner space.

Can know by Fig. 8 C and to find out, in the present embodiment this second wall 20 ' is in even U type cross section such as coming down to present, and this second push stopping part 22 ' is only for being formed at this end face 200 ' and comparatively near an extension board or the projection of this second inwall 20 ' S2, thereby to carry out in the ejection formation process at this first wall 10, this second wall 20 ' be can not go up bad phenomenon such as forming the thickness shadow in its first lateral surface 10S1, second lateral surface, 20 ' S1.

Though the utility model discloses as above with preferred embodiment; but it is not in order to restriction the utility model; any personnel that are familiar with this technology; in not breaking away from spirit and scope of the present utility model; certainly can do and change and retouching, therefore protection range of the present utility model is when being as the criterion with the scope that accompanying Claim was defined.

Claims (21)

1, a kind of shell structure has an inner space, and this shell structure comprises:

One the first half shell has a first wall, at least one first connecting portion and at least one first push stopping part, and this first wall has one first inwall; And

One the second half shell, be adjacent to this first half shell, this the second half shell is to have one second wall, at least one second connecting portion and at least one second push stopping part, this second wall is to have one second inwall, this second inwall be with this first inwall jointly toward this inner space, and this second connecting portion is to be incorporated into this first connecting portion in separable mode

It is characterized in that:

This first push stopping part is to be arranged at this first wall and toward this second half shell, this first push stopping part of this first half shell has a breach that is adjacent to this first inwall, when mutually combining between this first connecting portion and this second connecting portion, this second push stopping part is to place this breach with this first push stopping part with the form that forms thrust function mutually inimically.

2, shell structure as claimed in claim 1 is characterized in that, this second push stopping part is to be extended by this second inwall to protrude from this second wall side.

3, shell structure as claimed in claim 1 is characterized in that, this first connecting portion, this first push stopping part are to be shaped on this first wall.

4, shell structure as claimed in claim 1 is characterized in that, this second connecting portion, this second push stopping part are to be shaped on this second wall.

5, shell structure as claimed in claim 1 is characterized in that, this first push stopping part is made of at least one projection.

6, shell structure as claimed in claim 1 is characterized in that, this second push stopping part is that the protrusion mode is arranged at this second wall side.

7, shell structure as claimed in claim 1 is characterized in that, this first wall such as has at uniform cross-section.

8, shell structure as claimed in claim 1 is characterized in that, this second wall such as has at uniform cross-section.

9, shell structure as claimed in claim 1 is characterized in that, this first connecting portion is to be a location projection, and this second connecting portion is to be a location hole.

10, shell structure as claimed in claim 1 is characterized in that, this second wall has a L type cross section, and this second wall is adjacent to this first push stopping part, and this second push stopping part is adjacent to this first wall.

11, shell structure as claimed in claim 10 is characterized in that, this first connecting portion, this first push stopping part are to be shaped on this first wall.

12, shell structure as claimed in claim 10 is characterized in that, this second connecting portion, this second push stopping part are to be shaped on this second wall.

13, shell structure as claimed in claim 10 is characterized in that, this first push stopping part is made of at least one projection.

14, shell structure as claimed in claim 10 is characterized in that, this second push stopping part is to be arranged at this second wall side in the protrusion mode.

15, shell structure as claimed in claim 10 is characterized in that, this first wall such as has at uniform cross-section.

16, shell structure as claimed in claim 10 is characterized in that, this second wall such as has at uniform cross-section.

17, shell structure as claimed in claim 10 is characterized in that, this first connecting portion is to be a location projection, and this second connecting portion is to be a location hole.

18, shell structure as claimed in claim 10 is characterized in that, this second wall is to include a mainboard and a wing plate, and this mainboard is uniform cross-section such as to have, and this wing plate is uniform cross-section such as to have.

19, shell structure as claimed in claim 1, it is characterized in that, second push stopping part of this second inwall is an extension board, and first push stopping part of this first inwall is located at the flank of this inwall, and this flank is adjacent to this second inwall place and has the breach isometric with this extension board; Wherein when this first half shell combined with this second half shell, this extension board was to be embedded in this breach.

20, shell structure as claimed in claim 19 is characterized in that, this extension board is that the end by this second inwall extends a tablet.

21, shell structure as claimed in claim 1 is characterized in that, this second inwall has a Z-shaped end face, and this Z-shaped end face has one second push stopping part, and this second push stopping part is an extension board; And

This first push stopping part of this first inwall is to be located at the flank of this inwall, and this flank is adjacent to the breach that this second inwall place has a degree of depth and this extension board equal in length;

Wherein when this first half shell combined with this second half shell, this extension board was to be embedded in this breach.

Images