Summary of the invention
The present invention is intended to solve at least one of technical matters that exists in the prior art.
For this reason; one object of the present invention is to propose a kind of packing base wad; described packing base wad can protect product when surpassing certain falling height and stupefied falling not damaged by collision deformation, under the situation that does not increase cost of product, reduced the quality problem that the logistics link causes.。
Another object of the present invention is to propose a kind of transport package equipment with household appliances of described packing base wad.
A kind of packing base wad according to first aspect present invention embodiment comprises: the rubber-like body; A plurality of first energy-absorbing holes, described a plurality of first energy-absorbing holes are formed on the circumferential surface of described body with being spaced apart from each other; And a plurality of second energy-absorbing holes, the described second energy-absorbing hole is formed on the circumferential surface of described body with being spaced apart from each other and is located at the below in the described first energy-absorbing hole, and the described second energy-absorbing hole and the described first energy-absorbing hole are crisscross arranged.
Packing base wad according to the embodiment of the invention; the first energy-absorbing hole and the second energy-absorbing hole that are crisscross arranged by setting; when being subjected to impacting; body produce elastic deformation with the basis that has absorbed a part of impact energy on; body part between the first energy-absorbing hole and the second energy-absorbing hole can produce to frustrate and split with the remaining impact energy of further absorption, thereby has protected product not to be damaged to a greater degree and the outward appearance distortion.Thus, under the situation of the product falling height value of overstepping the extreme limit, can provide an efficient buffer protection at least according to the packing base wad of the embodiment of the invention.
In addition, the packing base wad according to the embodiment of the invention also has following additional technical feature:
In one embodiment of the invention, the shape in described first energy-absorbing hole and the described second energy-absorbing hole is configured to the line undulate shape in described first energy-absorbing hole and the described second energy-absorbing hole.
In first example of the present invention, the line that the shape in described first energy-absorbing hole and the described second energy-absorbing hole is configured to described first energy-absorbing hole and the described second energy-absorbing hole is trapezoidal waveform.
In second example of the present invention, the line that the shape in described first energy-absorbing hole and the described second energy-absorbing hole is configured to described first energy-absorbing hole and the described second energy-absorbing hole is square-wave waveform.
In the 3rd example of the present invention, the line that the shape in described first energy-absorbing hole and the described second energy-absorbing hole is configured to described first energy-absorbing hole and the described second energy-absorbing hole is sine waveform.
In the 4th example of the present invention, the line that the shape in described first energy-absorbing hole and the described second energy-absorbing hole is configured to described first energy-absorbing hole and the described second energy-absorbing hole is triangular waveform.
Thus, when being subjected to impacting, two parts about this cognition between the first energy-absorbing hole and the second energy-absorbing hole cracks and easily frustrates and is cleaved into, not only produce relative motion up and down between two parts to generate friction, also produce elastic plastic strain, thereby can how to absorb impact energy simultaneously to the greatest extent owing to being compressed.
Wherein, the described first energy-absorbing hole along continuous straight runs distributes around described body; The described second energy-absorbing hole along continuous straight runs distributes around described body.
Described body interior solid construction.Thus, can improve the bulk strength of packing base wad, when packing base wad was subjected to impacting, the circumferential surface of body ruptured owing to complicated stress voluntarily to absorb impact energy.
Alternatively, described body is made by polystyrene foam.
Do not increasing under the condition of cost, according to the packing base wad of the embodiment of the invention except possessing the elasticity energy-absorbing function of traditional packing base wad, also further have and frustrate the function of splitting energy-absorbing, compare with traditional packing base wad heelpiece, packing base wad according to the embodiment of the invention can provide at least once above vertically dropping that rated load is impacted, and four side surface direction at least each excess load tilt to drop, and can not cause the collision deformation of product.
Transport package equipment according to the household appliances of second aspect present invention embodiment comprises: outer container, and described outer container is used to take up described household appliances; With according to the packing base wad described in the first aspect present invention embodiment, described packing base wad is located in the described outer container and is used for fixing a plurality of bottoms of described household appliances.Thereby can protect household appliances vertically dropping of surpassing at least once that rated load impacts and four side surface direction at least each excess load tilt to drop can collision deformation under the situation.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, term " interior ", " outward ", " on ", close the orientation of indications such as D score, " top ", " end " or position is based on orientation shown in the drawings or position relation, only be the present invention for convenience of description rather than require the present invention therefore can not be interpreted as limitation of the present invention with specific orientation structure and operation.
Below with reference to a kind of packing base wad 100 of Fig. 1-Fig. 3 description according to the embodiment of the invention, described packing base wad 100 is used for the external packing of product, is damaged in logistics progress to prevent product.
As shown in Figure 1-Figure 3, according to the packing base wad 100 of the embodiment of the invention, comprise rubber-like body 1, a plurality of first energy-absorbing hole 2 and a plurality of second energy-absorbing hole 3, wherein body 1 is subjected to external force can produce elastic deformation with the protection product.
The shape of body 1 shape of packaged products as required is provided with, and when for example needing to pack refrigerator etc. and having square product, body 1 can be roughly cube; And when the product that needs packing to have round section electric cooker etc. for example, body 1 can be generally cylindrical body etc.In description of the invention, will describe with the packing base wad that is used to pack refrigerator, promptly body 1 is cube roughly, that is to say that the cross section of body 1 is for being fit to the rectangle of refrigerator.
A plurality of first energy-absorbing holes 2 are formed on the circumferential surface of body 1 with being spaced apart from each other, the second energy-absorbing hole 3 is formed on the circumferential surface of body 1 with being spaced apart from each other and is located at the below in the first energy-absorbing hole 2, and the second energy-absorbing hole 3 and the first energy-absorbing hole 2 are crisscross arranged and above-below direction on have preset distance, packing base wad 100 is when being subjected to impacting thus, will produce between the second energy-absorbing hole 3 and the first energy-absorbing hole 2 to shear to frustrate and split and crumple, thus the absorption portion impact energy.
Packing base wad according to the embodiment of the invention; the first energy-absorbing hole 2 and the second energy-absorbing hole 3 that are crisscross arranged by setting; when being subjected to impacting; body 1 produce elastic deformation with the basis that has absorbed a part of impact energy on; body part between the first energy-absorbing hole 2 and the second energy-absorbing hole 3 can produce to frustrate and split with the remaining impact energy of further absorption, thereby has protected product not to be damaged to a greater degree and the outward appearance distortion.Thus, under the situation of the product falling height value of overstepping the extreme limit, can provide an efficient buffer protection at least according to the packing base wad of the embodiment of the invention.
In one embodiment of the invention, the shape in the first energy-absorbing hole 2 and the second energy-absorbing hole 3 is configured to the line undulate shape in the first energy-absorbing hole 2 and the second energy-absorbing hole 3.Thus, when being subjected to impacting, body 1 between the first energy-absorbing hole 2 and the second energy-absorbing hole 3 can crack 4 (as shown in Figure 3) and easily frustrate and be cleaved into two parts up and down, not only produce relative motion up and down between two parts to generate friction, also produce elastic plastic strain, thereby can how to absorb impact energy simultaneously to the greatest extent owing to being compressed.
In first example of the present invention, as shown in Fig. 1-Fig. 2, the line that the shape in the first energy-absorbing hole 2 and the second energy-absorbing hole 3 is configured to the first energy-absorbing hole 2 and the second energy-absorbing hole 3 is trapezoidal waveform.
In second example of the present invention, the line that the shape in the first energy-absorbing hole 2 and the second energy-absorbing hole 3 is configured to the first energy-absorbing hole 2 and the second energy-absorbing hole 3 is square-wave waveform (scheming not shown).
In the 3rd example of the present invention, the line that the shape in the first energy-absorbing hole 2 and the second energy-absorbing hole 3 is configured to the first energy-absorbing hole 2 and the second energy-absorbing hole 3 is sine waveform (scheming not shown).
In the 4th example of the present invention, the line that the shape in the first energy-absorbing hole 2 and the second energy-absorbing hole 3 is configured to the first energy-absorbing hole 2 and the second energy-absorbing hole 3 is triangular waveform (scheming not shown).
Certainly; be not limited to shape in above-mentioned several example according to the shape in the first energy-absorbing hole 2 of the packing base wad 100 of the embodiment of the invention and the second energy-absorbing hole 3; those skilled in the art are appreciated that; other are any can to make and cracks 4 and frustrate the shape of splitting between the first energy-absorbing hole 2 and the second energy-absorbing hole 3, all falls within the scope of protection of the present invention.
In one embodiment of the invention, the first energy-absorbing hole, 2 along continuous straight runs distribute around body 1, and the second energy-absorbing hole, 3 along continuous straight runs distribute around body 1 simultaneously.
In one embodiment of the invention, the first energy-absorbing hole 2 and the second energy-absorbing hole 3 are located on the circumferential surface of body 1, and body 1 inner solid construction.Thus, can improve the bulk strength of packing base wad 100, when packing base wad 100 was subjected to impacting, the circumferential surface of body 1 ruptured owing to complicated stress voluntarily to absorb impact energy.
In one embodiment of the invention, body 1 is made by polystyrene foam (Expended polystyrene, i.e. eps foam).
Describe method of designing according to the packing base wad 100 of the embodiment of the invention below with reference to Fig. 1-Fig. 3, this packing base wad of sentencing the protection refrigerator is that example describes.Be understandable that the packing base wad of protecting other products also in like manner.
In the drop test of refrigerator, at first, according to the static weight that will carry is the gross weight of refrigerator, calculate the momentum that 450mm highly vertically falls, again according to the elasticity modulus and the stressed weighted area of horizontal surface thereof of the body 1 of packing base wad 100, when determining that it vertically falls the 450mm height, the thickness A of minimum packing base wad 100.
Then, on this basis, increase the height B and the C in the first energy-absorbing hole 2 and the second energy-absorbing hole 3, and surplus insurance thickness D, A+B+C+D promptly gets the gross thickness according to the packing base wad of the embodiment of the invention.
Once more, make a plurality of first template exemplars, rule of thumb be worth respectively, the first energy-absorbing hole 2 and the second energy-absorbing hole 3 are set, crumple does not take place up to meeting the demands in common drop test, be that body 1 produces elastic deformation and do not frustrate between the first energy-absorbing hole 2 and the second energy-absorbing hole 3 and split energy-absorbing, and the body between the first energy-absorbing hole 2 and the second energy-absorbing hole 3 is frustrated and is split energy-absorbing when being subjected to surpassing the impact of rated load, though like this with guarantee that packing base wad has an interior dress product of certain damage complete reliably.
Describe process below with reference to Fig. 1-Fig. 4, and be that example describes still herein with the packing base wad of protection refrigerator according to the protection product of the packing base wad 100 of the embodiment of the invention.Be understandable that the packing base wad of protecting other products also in like manner.
First embodiment, the refrigerator that has complete external packing in the drop test vertically falls from eminence.
In the common drop test, promptly when the refrigerator that has complete external packing from when 1~450mm highly vertically freely falls, packing base wad 100 is stressed evenly, certain elastic deformation has taken place in body 1 when landing, thereby has protected refrigerator or other household appliances.
When the refrigerator that has complete external packing from when 450~700mm highly vertically freely falls, packing base wad 100 produces two deformation processes because of having born overload impact:
(1) body 1 is by the compression of the downward impulsive force generation above-below direction of refrigerator, simultaneously the body between the first energy-absorbing hole 2 and the second energy-absorbing hole 3 cracks 4 and then shear to frustrate and be cleaved into two parts up and down under pressure, not only produce relative motion up and down between two parts to generate friction, also produce elastic plastic strain, thereby can how to have absorbed the impact energy that partly overloads simultaneously to the greatest extent owing to being compressed.
(2) when the body between the first energy-absorbing hole 2 and the second energy-absorbing hole 3 frustrate split energy-absorbing after, the interporal lacuna in the first energy-absorbing hole 2 and the second energy-absorbing hole 3 all is under pressure and reduces, promptly the first energy-absorbing hole 2 and the second energy-absorbing hole 3 both produce elastic deformation simultaneously, thereby body 1 has also further produced elastic deformation, and then absorbs remaining impact energy.
Second embodiment, the refrigerator that has complete external packing in the drop test freely falls from the eminence inclination, promptly stupefied falling under the check system situation.
In the common drop test; promptly when the refrigerator that has complete external packing from when 1~450mm high inclination freely falls; a wherein side of packing base wad 100 is stressed; when landing; certain elastic deformation has taken place in a stressed side, and the body part between the first energy-absorbing hole 2 and the second energy-absorbing hole 3 is frustrated to split and produced relative motion to generate friction simultaneously, simultaneously also because compression; energy-absorbing simultaneously thus, thus than traditional packing base wad better protection product.
When the refrigerator that has complete external packing from when 450~700mm high inclination freely falls, a side of packing base wad 100 produces two deformation processes because of having born overload impact:
One side surface of the body between the first energy-absorbing hole 2 and the second energy-absorbing hole 3 cracks 4 and then shear to frustrate and be cleaved into two parts up and down under pressure, not only produce relative motion up and down between two parts to generate friction, also produce elastic plastic strain, thereby can how to have absorbed the impact energy that partly overloads simultaneously to the greatest extent owing to being compressed.
(2) when a described side of the body between the first energy-absorbing hole 2 and the second energy-absorbing hole 3 frustrate split energy-absorbing after, the interporal lacuna in the first energy-absorbing hole 2 and the second energy-absorbing hole 3 all is under pressure and reduces, promptly the first energy-absorbing hole 2 and the second energy-absorbing hole 3 both produce elastic deformation simultaneously, thereby body 1 has also further produced elastic deformation, and then absorbs remaining impact energy.
Thus, do not increasing under the condition of cost, according to the packing base wad of the embodiment of the invention except possessing the elasticity energy-absorbing function of traditional packing base wad, also further have and frustrate the function of splitting energy-absorbing, compare with traditional packing base wad heelpiece, can provide at least according to the packing base wad of the embodiment of the invention once to surpass vertically dropping that rated load impacts, and four side surface direction at least each excess load tilt to drop, and can not cause the collision deformation of product.
Below with reference to the transport package equipment of Fig. 4 description, be used to pack household appliances 200 according to a kind of household appliances of the embodiment of the invention.Household appliances 200 still are that example describes with the refrigerator among Fig. 4 herein, yet are understandable that, other any needs the transport package equipment of the household appliances that packing base wad packs also to fall into protection scope of the present invention.
Transport package equipment according to the household appliances of the embodiment of the invention comprises outer container (scheming not shown) and packing base wad 100, wherein, and the packing base wad of packing base wad 100 for describing in the foregoing description.Outer container is used to take up household appliances; packing base wad 100 is located in the outer container and is used for fixing the bottom of household appliances 200, with the protection household appliances vertically dropping of surpassing at least once that rated load impacts and four side surface direction at least each excess load tilt to drop can collision deformation under the situation.
In the description of this specification sheets, concrete feature, structure, material or characteristics that the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example description are contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete feature, structure, material or the characteristics of description can be with the suitable manner combination in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment under the situation that does not break away from principle of the present invention and aim, scope of the present invention is limited by claim and equivalent thereof.