CN102431730B

CN102431730B - Distribution container device

Info

Publication number: CN102431730B
Application number: CN201110240691.9A
Authority: CN
Inventors: 哈利.克罗斯
Original assignee: DELICA FLORA Co Ltd
Current assignee: DELICA FLORA Co Ltd
Priority date: 2008-11-04
Filing date: 2008-11-04
Publication date: 2014-03-12
Anticipated expiration: 2028-11-04
Also published as: CN102431730A

Abstract

The invention relates to a distributor and a method for assembling the distributor. The distributor is used for distributing small solid particles such as pills, tablets or candies, or liquid such as emulsion, gel, solvent or aqueous solution, and comprises a base and a cover. The base is provided with a lower wall and a curved side wall with an upper edge; the base side wall is provided with holes; one part of the upper edge of the base side wall, which is opposite to the hole, downwards forms an angle, so that the upper edge of the base side wall at the part is lower than the rest upper edge of the base side wall; the cover is provided with an upper wall and a curved side wall with a lower edge; one part of the lower edge of the cover side wall, which is opposite to the hole, upwards forms an angle, so that the lower edge of the cover side wall at the part is higher than the rest lower edge of the cover side wall; in addition, when the cover and the base are assembled, one part of the base wall is exposed, so that an area of the cover upper wall, which is opposite to the holes in the base side wall, is pressed downwards to lift the cover wall; and parts of the holes in the base side wall are exposed, so that at least some accommodating objects in the distributor can be distributed.

Description

Dispense container device

Dividing an application of the Chinese invention patent application that the application is that application number is 200810169171.1, the applying date is on November 4th, 2008, application Ren Wei Derik Fulehua Co., Ltd. and Harry Kroes, denomination of invention are " dispense container device ".

Technical field

Distributing box of the present invention relates generally to the field that can be used as the small container of distributing box.More specifically; the present invention relates to a kind of for distributing such as the little particulate matter of pill, tablet or candy or such as the container of the liquid of emulsion, gel, solvent or the aqueous system; its middle cover is configured on a pedestal; make when a part for pedestal or lid is pressed; this device is opened, thereby allows its contents to be assigned with by hole.

Background technology

For storing with the small container of dispense articles, generally include various moving-members, for example cap, cover, lid, sealing or with gemel opening.In addition, having top, to press the distributing box of structure be well known in the art substantially.

The invention provides a kind of dispense container device, it is easy to carry and operates, and is suitable for easily distributing such as the little particulate matter of pill, tablet or candy or such as the liquid of emulsion, gel, solvent or the aqueous system.If expectation, the present invention allows with a hand device for opening, distributes its contents and closing appliance.In addition, the present invention allows without in arriving distributing box or touch under the condition of its contents and distribute its contents.

Summary of the invention

The present invention includes a kind of distributing box, it is as keeping and distributing such as little particulate matter of pill, tablet or candy or such as the container of the liquid of emulsion, gel, solvent or the aqueous system, lid is assembled on pedestal.One embodiment of the present of invention comprise pedestal, and this pedestal has diapire, sidewall, has antetheca and the rear wall in hole, and each wall has upper limb.Lid has upper wall, sidewall, antetheca and rear wall, and each wall has lower edge.A part of angulation of the upper limb of each pedestal sidewall, makes the upper limb of the base rear wall that obtains lower than base front wall.The also angulation of a part of the lower edge of each lid sidewall, makes the lower edge of the lid rear wall that obtains higher than covering antetheca.When assembling lid and pedestal, to the Background Region that covers wall, apply downward pressure and make to cover antetheca lifting, appear the some parts portalling, thereby allow at least some contents of distributing box to distribute.

The present invention also comprises the distribution device with insert.Insert has hole in its antetheca, and when insert is placed in pedestal, this hole is corresponding at least some parts in the hole in base front wall.Insert is shaped by this way, makes, when pressure is applied on lid or the rear portion of pedestal, to allow at least some parts in the hole in base front wall to expose.

The present invention also comprises a kind of like this distribution device, its have be arranged on lid and pedestal for making to cover and pedestal remains on the interactional locking key of closing structure.Interactional locking key can also be arranged for and prevent in device lid and pedestal disengaging when opening structure.

The present invention also comprises that diapire, sidewall, antetheca or the rear wall of pedestal are crooked distribution devices.

The present invention also comprises that upper wall, sidewall, antetheca or the rear wall of lid are crooked distribution devices

The present invention also comprises the distribution device with various geometric configuratioies, includes but not limited to polygon (for example, triangle, rectangle, square or hexagon) and curvilinear figure (for example, avette, circular, ellipse or pyriform).

Insert is optional, if " occur stacking " but the size of the contents of distribution device is enough little, insert is preferred, to prevent that lid is pressed on pedestal.

Should be appreciated that the example that general introduction above only provides the creative aspect of distribution device how to implement, rather than be intended to limit wide in range spirit and scope of the present invention.

Accompanying drawing explanation

In specification sheets, with reference to accompanying drawing, in the accompanying drawings, the Reference numeral in figure is in order to represent some element, aspect or the parts shown in it.Identical element, aspect or parts shown in the shared Reference numeral presentation graphs of more than one accompanying drawing.

Fig. 1 is the decomposition diagram of the embodiment of distributing box, and lid, insert and pedestal are shown;

Fig. 2 is that the distributing box of Fig. 1 is in closing the transparent view of structure;

Fig. 3 be the distributing box of Fig. 2 in opening the transparent view of structure, rear portion that finger depresses lid is shown to expose the hole in pedestal;

Fig. 4 is the lateral plan of the insert in Fig. 1, and the part towards the downward angulation of pedestal end wall of rear wall and the insert upper wall of insert is shown;

Fig. 5 is the top view of lid of the distributing box of Fig. 1;

Fig. 6 is the lateral plan of lid of the distributing box of Fig. 1;

Fig. 7 be the distributing box of Fig. 1 in closing the lateral plan of structure, demonstrate interactional locking key;

Fig. 8 is the rear portion decomposition diagram of the distributing box of Fig. 1;

Fig. 9 is the lateral plan of lid of the distributing box of Fig. 1, and the one-tenth angle part of the lower edge that covers sidewall is shown especially;

Figure 10 is the lateral plan of pedestal of the distributing box of Fig. 1, and the one-tenth angle part of the upper limb of pedestal sidewall is shown especially;

Figure 11 is the decomposition diagram of embodiment of the distributing box of curve shape, and lid, insert and pedestal are shown; With

Figure 12 is the decomposition diagram of the embodiment of leg-of-mutton distributing box, and lid, insert and pedestal are shown.

The specific embodiment

According to a preferred embodiment of the invention, the distribution device shown in Fig. 1,2 and 8 represents by Reference numeral 10 generally, and it mainly comprises: pedestal 11 and lid 12.

As shown in Fig. 1,2 and 8, pedestal 11 comprises diapire 14, at least two relative sidewalls 15 (representing by Reference numeral 15), antetheca 16 and rear wall 17, and each wall has upper limb.The upper limb of base front wall represents by Reference numeral 18, and the upper limb of base rear wall is represented by Reference numeral 19.A part 50 angulations of the upper limb of each pedestal sidewall, make the upper limb 19 of the base rear wall that obtains lower than the upper limb of base front wall 18.Base front wall 16 has at least one hole 20.Hole 20 can change aspect size, shape and the position in base front wall 16.

As shown in Fig. 1,2 and 8, cover 12 and comprise upper wall 21, at least two relative sidewalls 22, antetheca 23 and rear walls 24, each wall has lower edge.Lid antetheca 23 lower edge by Reference numeral 25, represented, lid rear wall lower edge by Reference numeral 26, represented.A part 51 angulations of lower edge of each lid sidewall, make the lower edge 26 of the lid rear wall that obtains than lower edge 25 height that cover antetheca.

As shown in Figures 2 and 3, when lid 12 and pedestal 11 assembling, a part 27 for pedestal is exposed, at this moment, for example, to the Background Region (, position 40) that covers wall 21, apply downward pressure, make to cover antetheca 23 and promote, thereby a part that appears the hole 20 in base front wall 16, permission distributes the contents of at least some distributing boxs thus.

When pressure is applied to lid or during pedestal, the one-

tenth angle part

50 and 51 of base and cover allows respectively to cover 12 antetheca 23 and is raised, thereby manifests the hole 20 in base front wall 30.As the skilled person will appreciate, by becoming

angle part

50 and 51 according to the size of distribution device, thickness and length adjustment are corresponding, or change when downward pressure is applied to lid or pedestal and cover the degree that antetheca 23 promotes, can envision many embodiment.With reference to Fig. 9 and 10, can select in embodiment, lid and pedestal corresponding become

angle part

51 and 50 angle (θ) 55 and 56 and

length

60 and 61 can increase respectively or reduce, to change the degree of exposing in hole 20 or to change the degree of covering antetheca 23 liftings.Angle in Fig. 9 and 10 (θ) 55 and 56 is all measured as approximately 17 degree, and these angles can be adjusted into and are greater than 0 but be less than the number of degrees of 90 degree.

Another embodiment of distribution device of the present invention comprises insert 13.Insert for example remains on appropriate location by contents when lid departs from.In addition, easily stacking in distribution device such as the little particulate matter of tablet, and insert allows distribution device to open and close when appearance is stacking.If the size of the contents of distribution device is enough little, " occur stacking ", this optional insert is preferred, to prevent that lid is pressed on pedestal.This insert can also be removedly or is permanently fixed to pedestal.

As shown in Fig. 1,4 and 8, insert 13 can comprise upper wall 28, at least two relative sidewalls 29, antetheca 30 and rear walls 31.Antetheca 30 and the rear wall 31 of insert 13 all have upper limb.The upper limb of the antetheca of insert represents by Reference numeral 33, and the upper limb of the rear wall of insert is represented by Reference numeral 32.A part 52 angulations of each upper limb of each sidewall 29 of insert, make the upper limb 32 of the rear wall that obtains lower than the upper limb of antetheca 33.Insert 13 has at least one hole 34 in antetheca 30, and this at least one hole 34 is placed in pedestal 11 at least some parts corresponding to the hole 20 of base front wall 16 when interior at insert 13.

Another embodiment of distribution device of the present invention comprises the interactional locking key being positioned on base and cover.These interactional locking keys contribute to make lid to be maintained in its closed position, and also contribute to make lid to remain on open position.These interactional locking keys also make lid or the more difficult disengaging of pedestal, also can reduce the possibility when this device covers when it opens the end position of structure or pedestal departs from.These locking keys can comprise the recessed locking key of a pair of interactional corresponding inside guiding and the outwards protrusion locking key of guiding, can also comprise fastener, such as but not limited to, screw, screw bolt and nut, or allow distributing box to realize the fastener of any other type of its set object.

As the example of how to work about locking key, referring now to Fig. 1,2,3,7 and 8.In the illustrative examples shown in these figure, the locking key 35 of pedestal 11 interacts and engages with the locking key 36 of lid 12, to contribute to making distribution device keep it to close structure (Fig. 2), thereby keep its contents, also contribute to make this device to keep it to open structure (Fig. 3), thereby allow to distribute its contents while constructing being fixed on to open.Similarly, the locking key 37 of pedestal 11 interacts and engages with aid-device 10 with the locking key 38 of lid 12 and keeps its closed structure, thereby makes lid or the more difficult disengaging of pedestal.The locking key 39 of pedestal 11 interacts with the locking key 38 of lid 12 and engages to help to make this device keep it to open structure, thereby reduces the possibility when this device covers when it opens the end position of structure or pedestal departs from.

At pedestal or cover and can also have extra locking key.Also can locking key be set in the position selected except position as described herein.For example, in a selectable embodiment, locking key 38 can be positioned at covers on antetheca 23, and

corresponding locking key

37 and 39 can lay respectively at and covers in antetheca 23 and base front wall 16, so that this device keeps it to close structure, and prevent from departing from when opening the end position of structure.Or, be positioned at the locking key 35 of Background Region of pedestal sidewall 15 and the locking key 36 that is positioned at the Background Region that covers sidewall 22 and can replace with fastener, screw, nuts and bolt or any other suitable material known in the art, make pedestal 11 and lid 12 in this position, permanently or removedly rotatably engage (that is, allowing to rotate) as pivot.

Can open with various ways the distributing box of Fig. 2, one of them mode is to apply downward pressure by the Background Region to lid 11 upper wall 21, as shown in Figure 3.Can also be by exert pressure to open the distributing box of Fig. 2 to the Background Region of base bottom wall 14.By distributing box is placed on the surface shown in Fig. 3, can open distributing box with a finger, or by container grabbed between two relative fingers, use two finger presses (a finger presses lid 12, another finger presses pedestal 11) to open distributing box simultaneously.

Can close with various ways the distributing box of Fig. 3, one of them mode is to apply downward pressure to the front area that covers wall 21.Can also be by exert pressure to close the distributing box of Fig. 3 to the front area of base bottom wall 14.Can also above use a finger to close distributing box by distributing box being placed in to a surface, or by container grabbed between two relative fingers, use two relative finger presses (a finger presses lid 12, another finger presses pedestal 11) to close distributing box simultaneously.

Another embodiment of the present invention is the distribution device of curved geometric (for example, avette, circular, ellipse or pyriform).Shown in Figure 11 is circular distribution device.Particularly, in this embodiment, distributing box mainly comprises pedestal 100 and lid 101.Pedestal 100 has diapire 103 and crooked sidewall 104, and sidewall 104 has upper limb 105.Pedestal sidewall has at least one hole 106.A part 107 for the upper limb of pedestal sidewall is relative with hole 106, and downward angulation, makes the upper limb of this part pedestal sidewall lower than the residue upper limb of pedestal sidewall.Lid 101 has upper wall 108 and crooked sidewall 109, and sidewall 109 has lower edge 111.A part 110 for lower edge for lid sidewall is relative with the hole 106 of pedestal sidewall, and the angulation that makes progress, and the lower edge of this part 110 that makes to cover sidewall is higher than the residue lower edge that covers sidewall.In assembling, cover 101 and during pedestal 100, the base wall of a part is exposed, the pressure that makes to be applied to downwards on the region that covers wall 108 promotes tegmental wall 109 through the hole in pedestal sidewall, to manifest the some parts in the hole 106 in pedestal sidewall, thereby allow at least some contents of distributing box to distribute.

Another embodiment of the present invention is the distribution device of circle as above, Long Circle, avette, ellipse or pyriform, and it has insert 102 (as shown in figure 11).Insert 102 has upper wall 112 and crooked sidewall 113, and this sidewall 113 has upper limb 114.The downward angulation of a part 115 of the upper limb of the sidewall of insert, makes the upper limb of this partial insertion part sidewall lower than the residue upper limb of insert sidewall.Insert 102 has at least one hole 116 in crooked sidewall, and when insert 102 is placed in pedestal 100 when interior, this at least one hole 116 is corresponding at least some parts in the hole 106 in pedestal sidewall.

The distribution device of Figure 11 also can comprise the interactional locking key being positioned on pedestal 100 and lid 101.In the embodiment shown in fig. 11, the locking key 119 of pedestal 100 interacts and engages with the locking key 117 of lid 101, to contribute to making distribution device keep it to close structure, thereby keep its contents, also contribute to make this device to keep it to open structure, thereby allow to distribute its contents while opening structure being fixed on.Similarly, the locking key 120 of pedestal 100 interacts and engages with the locking key 118 of lid 101, to contribute to making this device keep it to close structure, thereby makes lid or the more difficult disengaging of pedestal.The locking key 121 of pedestal 100 interacts with the locking key 118 of lid 101 and engages to help to make this device keep it to open structure, thereby reduces the possibility when this device covers when it opens the end position of structure or pedestal departs from.

Another embodiment is the distribution device with selectable polygon geometric configuration, and described polygon geometric configuration includes but not limited to, for example, and triangle, square, oblong (shown in Fig. 1-8) or hexagon.The embodiment of the polygonal distribution device such as triangle (comprising scalene, equicrural triangle, equilateral triangle and right-angled triangle) of the present invention mainly comprises: base and cover.Shown in Figure 12 is the embodiment of leg-of-mutton distributing box.Particularly, in this embodiment, distributing box mainly comprises pedestal 200 and lid 201, and each is all configured as leg-of-mutton solid.Pedestal 200 has diapire 203, the first side wall 204, the second sidewall 205 and the 3rd sidewall 206, and each sidewall has upper limb 209.The first side wall 204 has hole 207.Summit 208 forms relative with hole 207 by the convergence of the second sidewall 205 and the 3rd sidewall 206.The downward angulation of a part 210 of a part 210 for the upper limb of the second sidewall and the upper limb of the 3rd sidewall, makes the upper limb 209 of upper limb 211 to the first, second, and third pedestal sidewalls that obtain at the second and the 3rd side walls converge place low.Lid 201 has upper wall 212, the first side wall 213, the second sidewall 214 and the 3rd sidewall 215, and each sidewall has lower edge 216.Convergence by the second sidewall 214 and the 3rd sidewall 215 forms summit 217.A part 218 for a part 218 for the lower edge of the second sidewall and the lower edge of the 3rd sidewall is angulation upwards, and the lower edge 219 to first, second, and third that makes to obtain at the second and the 3rd side walls converge place covers lower edge 216 height of sidewalls.In assembling, cover 201 and during pedestal 200, the base wall of a part is exposed, thereby, being applied to the downward pressure that covers wall 212 on relative with hole 207 promotes the first side wall 213 of lid, manifest thus the some parts in the hole in pedestal sidewall, thereby allow at least some contents of distributing box to distribute.

Another embodiment of the present invention is the distribution device with insert of triangle (as mentioned above).As shown in figure 12, leg-of-mutton insert 202 is assemblied in pedestal, has upper wall 220, the first side wall 221, the second sidewall 222 and the 3rd sidewall 223, and each wall has upper limb 224.The first side wall 221 has hole 225, and in the time of in insert is placed in pedestal, this hole 225 is corresponding with at least some parts in hole 207 in the first pedestal sidewall 204.By the convergence of the second sidewall and the 3rd sidewall, it is relative with hole 225 that summit 226 forms.The downward angulation of a part of a part 227 for the upper limb of the second sidewall and the upper limb of the 3rd sidewall, makes the upper limb 224 of upper limb 229 to the first, second, and third pedestal sidewalls that obtain at the second and the 3rd side walls converge place low.

Another embodiment of distribution device of the present invention comprises pedestal, and this pedestal is single, and wherein, insert and pedestal form single integrated piece, has at least one hole and has lid, as disclosed in here illustrating on sidewall.

Another embodiment is that diapire, sidewall, antetheca or the rear wall of pedestal is the distribution device of curved shape.

Another embodiment is that upper wall, sidewall, antetheca or the rear wall of lid is the distribution device of curved shape.

In in the aforementioned embodiment each, the edge of the wall of lid and pedestal can roll, thereby forms smooth rolled-up antelabium around the whole periphery at these edges.This rolled-up antelabium has advantageously been eliminated any possible shouting pain user's who exposes sharp metal limit.

The present invention also comprises the assemble method of distribution device.In the method, distribution device is assembled by the following method: first, obtain pedestal, lid and insert (this insert is optional) in above-mentioned arbitrary embodiment; The second, the article of desired distribution are packed in pedestal; The 3rd (if insert is used in expectation), is placed on insert in pedestal, and is placed on the top of article to be allocated; And the 4th, locking key is engaged so that lid and pedestal are assembled.No matter this distribution device is full or empty, can complete this assembling.Or, can after assembling, when distribution device is when opening structure, pack the article of desired distribution into, for example by its hole, pack into.

In all interactional locking keys, engage removedly each other and insert is inserted in the embodiment in pedestal removedly, can, by making base and cover depart from and insert is removed from pedestal, dismantle simply this distribution device.This allows distribution device to reuse, and allows again to fill the article of desired distribution.

Finally, about forming the composition of the element of this distributing box, exemplarily and without limitation, pedestal, lid or insert can allow distributing box realize its set object suitable material by metal, alloy, plastics, resin or other to make.Exemplarily and without limitation, by the synthetic resin material of injection molding such as thermoplastic polyurethane (TPU), or by any other suitable material and manufacturing process known in the art, pedestal, lid or insert can form metallic stamping pieces, hot formed Plastic Parts.For decorative purpose or for example indicate pressing position to open or close the functional purpose of device, all right embossing of lid and pedestal, punching press or printing.

Although described specific embodiments of the invention, various modification, variation, selectable structure and equivalent are included in scope of the present invention.Therefore, it is schematically that specification sheets and accompanying drawing will be taken as, rather than restrictive.

Claims

1. a distributing box, comprising:

Base and cover;

Pedestal has diapire and crooked sidewall, and this sidewall has upper limb;

Pedestal sidewall has hole;

Wherein, the downward angulation of a part of the upper limb of the pedestal sidewall relative with described hole, makes the upper limb of this part pedestal sidewall lower than the residue upper limb of pedestal sidewall;

Lid has upper wall and crooked sidewall, and this sidewall has lower edge;

Wherein, a part for the lower edge of the lid sidewall relative with described hole the angulation that makes progress, makes the lower edge of this part lid sidewall higher than the residue lower edge that covers sidewall;

When assembling lid and pedestal, a part for base wall is exposed, thereby, to the relative region, the hole with pedestal sidewall that covers wall, applying downward pressure promotes tegmental wall, manifest the some parts in the hole in pedestal sidewall, thereby allow at least some contents of distributing box to distribute, and

Wherein, distributing box also comprises:

Insert, has upper wall and crooked sidewall, and this sidewall has upper limb;

Wherein, the downward angulation of a part for the upper limb of the sidewall of insert, makes the upper limb of this partial insertion part sidewall lower than the residue upper limb of insert sidewall; And

Insert has hole in crooked sidewall, and in the time of in insert is placed in pedestal, this hole is corresponding at least some parts in the hole in pedestal sidewall.

2. distributing box as claimed in claim 1, wherein, base and cover further comprises interactional locking key.

3. distributing box as claimed in claim 1, wherein, base and cover further comprises interactional locking key.

4. distributing box as claimed in claim 2, wherein, described locking key comprises the recessed locking key of a pair of interactional corresponding inside guiding and the outwards protrusion locking key of guiding.

5. a method of assembling distributing box, comprising:

Obtain pedestal, this pedestal has at least two relative sidewalls, diapire, antetheca and rear walls, each wall has upper limb, base front wall has hole, wherein, a part of angulation of the upper limb of each pedestal sidewall, makes the upper limb of the base rear wall that obtains lower than the upper limb of base front wall, and wherein, pedestal has locking key;

Obtain lid, lid has at least two relative sidewalls, diapire, antetheca and rear walls, and each wall has lower edge, wherein each covers a part of angulation of the lower edge of sidewall, make the lower edge of the lid rear wall that obtains higher than the lower edge that covers antetheca, and wherein, lid have locking key;

The article of desired distribution are packed in pedestal;

Described locking key is engaged, thereby lid is assembled in to the top of pedestal, thereby, to the Background Region that covers wall, apply downward pressure and make to cover antetheca lifting, the some parts in the hole in base front wall is manifested, thereby allow at least some contents of distributing box to distribute; And

Insert is placed in to pedestal, this insert has upper wall, at least two relative sidewalls, antetheca and rear walls, each wall has upper limb, wherein, a part of angulation of the upper limb of each sidewall of insert, makes the upper limb of rear wall of the insert that obtains in height low than the upper limb of the antetheca of insert, and wherein, insert has hole in antetheca, and in the time of in insert is placed in pedestal, this hole is corresponding at least some parts in the hole in base front wall.

6. a leg-of-mutton distributing box, comprising:

Base and cover, each is configured as leg-of-mutton solid;

This pedestal has diapire, the first side wall, the second sidewall and the 3rd sidewall, and each sidewall has upper limb;

This first side wall has hole;

Summit, by the convergence of the second sidewall and the 3rd sidewall, it is relative with described hole that this summit forms;

Wherein, the downward angulation of a part of the upper limb of a part for the upper limb of the second sidewall and the 3rd sidewall, makes the upper limb that obtains at the second and the 3rd side walls converge place lower than the upper limb of first, second, and third pedestal sidewall;

This lid has upper wall, the first side wall, the second sidewall and the 3rd sidewall, and each sidewall has lower edge;

Summit, the convergence by the second sidewall and the 3rd sidewall forms;

Wherein, a part for the upper limb of a part for the lower edge of the second sidewall and the 3rd sidewall the angulation that makes progress, makes the lower edge that obtains at the second and the 3rd side walls converge place higher than the upper limb of first, second, and third lid sidewall;

When lid and pedestal assembling, the base wall of a part is exposed, thereby, to the Gai Shangbi relative with described hole, applying downward pressure promotes the first side wall of lid, manifest the some parts in the hole in pedestal sidewall, thereby allow at least some contents of distributing box to distribute, and

Wherein, leg-of-mutton distributing box also comprises,

Be assemblied in the leg-of-mutton insert in pedestal, have upper wall, the first side wall, the second sidewall and the 3rd sidewall, each wall has upper limb;

The first side wall has hole, and in the time of in insert is placed in pedestal, this hole is corresponding at least some parts in the hole in the first side wall of pedestal;

Summit, the convergence by the second sidewall and the 3rd sidewall forms relative with described hole; And

Wherein, the downward angulation of a part of the upper limb of a part for the upper limb of the second sidewall and the 3rd sidewall, makes the upper limb that obtains at the second and the 3rd side walls converge place lower than the upper limb of first, second, and third pedestal sidewall.