CN202858188U

CN202858188U - Backpack

Info

Publication number: CN202858188U
Application number: CN201220254204.4U
Authority: CN
Inventors: 罗伯特·劳
Original assignee: MCGHAN MODIKE CO Ltd
Current assignee: MCGHAN MODIKE CO Ltd
Priority date: 2011-12-20
Filing date: 2012-05-31
Publication date: 2013-04-10
Anticipated expiration: 2022-05-31
Also published as: CN204317770U; GB2501958A; US20140339277A1; GB2501958B; GB201221411D0; EP2793636A1; HK1191193A1; CN102669925A; GB201121896D0; WO2013093413A1

Abstract

The utility model discloses a backpack particularly suitable for children. The backpack (20) comprises a storage container (24) and a fence (26) operably sealing the storage capacity (24), wherein the fence (26) comprises a collar (34); the collar (34) is made of flexible materials, self-folds operably at least twice, and assists a first tightening component (40) and a second tightening component (42) which are arranged on opposite sides of the collar (34) to releasably and mutually connected; and the first and the second tightening components (40 and 42) form a structure in which the two components release each other under threshold-exceeding tension. The embodiment of the utility model further discloses the backpack (60). The backpack (60) comprises similar storage container (64) and fence (66), and yet comprises an additional tightening component (100) arranged at the bottom of a collar (74); and both a first tightening component (80) and a second tightening component ( 82) are connected with the tightening component (100).

Description

Knapsack

Technical field

The utility model relates to a kind of knapsack, and especially but nonexclusively, relates to a kind of children's knapsack that waterproof storage volume is provided.

Background technology

Knapsack be well-known and be used for transportation equipment or personal belongings.Typical knapsack comprises at least one the main storage volume that can close by releasable fence, and at least one shoulder belt is so that knapsack can cosily be carried on user's the back.Knapsack is used by the school-ager usually, is used for carrying learning stuff, comprises theoretical material and tool movement case or game tool case, is carried into school and carries out from school.By fine location and comprise the multiple scope that shows feature and decoration, these features and Art Design are attractive to more young user for the market of children's knapsack.

The common problem that the standard knapsack has has appearred when the standard knapsack need to use in wet environment.This can comprise and for example carry wet article such as swimming equipment bag, or at very wet potentially environment for example at the seabeach or use knapsack aboard ship.For adult consumer, this market comprises that for the custom-designed product of these environment what usually know is dry bag.Typical dry bag is made by waterproof material, and has special weather check and a main opening, and this main opening is closed along the waterproof strip of paper used for sealing by roll.These strip of paper used for sealings comprise the collar (collar) that waterproof material is made, and their opposite face is contacted with each other, and the material that then makes this double thickness is rolled (rolled) or himself is for several times folding.This strip of paper used for sealing of rolling then and opposite end crooked along himself uses releasable clip to connect.The end of clamping of this strip of paper used for sealing is typically used as the handle of this dry bag of delivery.For example the dry bag 2 of Fig. 1 description is wherein mainly stored volume 4, and the strip of paper used for sealing 6 of rolling and releasable clip 8 are all as seen.End and the clip 8 that also can see strip of paper used for sealing 6 consist of handle 10, and this dry bag is delivered by this handle.

Although dry bag has satisfied the needs of adult for the waterproof delivery of article and equipment, comprises that school-ager's more young user still has needs for the waterproof Alternatives-carriers For Submarine.

The utility model content

According to the utility model, a kind of knapsack is provided, the fence that it comprises the storage volume and operationally seals this storage volume, wherein this fence has comprised the collar that flexible material is made, it operationally folds at least twice along self, and the element of tightening of assisting to be installed on the opposite side of this collar is connected to each other releasedly, and wherein this is tightened element and is constructed to be separated from each other surpassing under the tension force of threshold value.

This threshold value can be selected according to the toy of using in country variant and nursery safety standard, and wherein these countries are the market of the utility model aiming.Therefore, for example, can comprise for very young user (3 years old and more than) design and the knapsack of regulating size and to tighten element, these tighten the structure that is separated from each other when element is formed on a threshold value, and this threshold value is far below the threshold value of selecting for the knapsack of more old user design.For example, this threshold value can be between 15kN to 30kn.According to an embodiment, this threshold value can be 20kN, with the standing regulations for the EN71 that shrinks the separation dynamics less than Europe.According to another embodiment, this threshold value can be 25kN.

This tightens the edge installation that element also can comprise the releasing device of user's manipulation and can be close to collar.

This tighten element first can comprise the shell with a connection opening, this second of tightening element can comprise and has the protrusion that connects shoulder, this connection shoulder can be operationally and is connected with this connection opening.

This connection shoulder and/or connection opening can comprise chamfering.

This storage volume can be by sack definition, and the collar made of flexible material can comprise the extendible portion of this sack.

This sack is made by waterproof material substantially, and for example, can comprise at least one weather check.

This knapsack can comprise at least one shoulder belt, and it can comprise a pair of shoulder belt according to an embodiment.

This knapsack also can comprise back pad, on this back pad at least one shoulder belt can be installed.For example, this back pad can be clogged to provide extra rigidity to this knapsack and/or be provided extra comfort to the user.

According to an embodiment, this knapsack can be suitable for children to be used.

According on the other hand of the present utility model, a kind of knapsack is provided, the fence that it comprises the storage volume and operationally seals this storage volume, wherein this fence comprises operationally the collar that self flexible material of folding at least twice is made, tighten element and second with first on the opposite side that is installed on this collar and tighten element, what this knapsack comprised also that the substrate of contiguous this collar installs the 3rd tightens element, and wherein this first and second each that tighten element and the 3rd is tightened element and assisted for tightening element and be connected releasedly with the 3rd.Be installed on this knapsack by tightening element with the 3rd, ring diameter is cut into two halves, has therefore reduced length so that children can tighten around their neck.

The 3rd tightens element can comprise at least two connection opening and this first and second and tighten element and can each comprise and have the protrusion that connects shoulder, this connections shoulder operationally with the 3rd corresponding connection opening connection of tightening on the element.

These tighten element also can comprise the releasing device that the user handles.

This first, second, and third tighten element can be constructed to surpass under the tension force of threshold value separated from one another.

According to an embodiment, this connection shoulder and/or connection opening can comprise chamfering.

This storage volume can be by sack definition, and the collar made of this flexible material can comprise the extendible portion of this sack.

The 3rd tightens element can be installed on this sack.This sack can be made by waterproof material substantially.

This knapsack can comprise at least one shoulder belt.

This knapsack also can comprise back pad, and at least one shoulder belt can be installed on this back pad.

The 3rd tightens element can be installed on this back pad.

According to an embodiment, this knapsack can be fit to children to be used.

Description of drawings

For understanding better the utility model, and more clearly show how to realize effect, now by the mode of embodiment the following drawings is carried out reference, wherein:

Fig. 1 has described traditional dry bag;

Fig. 2 has described the first embodiment of the structure that partially opens of knapsack;

Fig. 3 has described the Fence structure of the knapsack of Fig. 2;

Fig. 4 has described the sack member of the knapsack of Fig. 2;

Fig. 5 has described the first embodiment of the Unclosing structure of clip;

Fig. 6 has described the Fence structure of the clip of Fig. 5;

Fig. 7 has described the second embodiment of the Unclosing structure of clip;

Fig. 8 has described the clip Fence structure of Fig. 7;

Fig. 9 has described the second embodiment of the Fence structure of knapsack;

Figure 10 has described another embodiment of the Unclosing structure of clip; With

Figure 11 has described the clip Fence structure of Figure 10.

The specific embodiment

The embodiment of knapsack of the present utility model is described with reference to accompanying drawing.

Beginning is with reference to Fig. 2 and Fig. 3, and the first embodiment of knapsack 20 of the present utility model comprises sack 22, fence 26, back pad 28 and the

shoulder belt

30,32 that limits storage volume 24.Sack 22 is installed on the back pad 28, and back pad 28 provides extra rigidity to this sack, and also the content of the back antagonism sack 22 by buffering knapsack person provides comfortableness to this toter.

Sack 22 is made by tough and tensile waterproof material, and the nylon that for example synthesizes can be to its processing or coating in order to improve performance.

Further with reference to figure 4, fence 26 comprises the collar 34 that flexible material is made, and according to present embodiment, it is formed continuously by sack 22.Sack 22 is installed on the back pad 28 so that collar 34 protrudes more than back pad 28 and

shoulder belt

30,32 top boundary.Can reinforce at the edge 36 of collar 34, for example extend around collar 34 edges by reinforcement material 38.The extra rigidity of material that this reinforce belt 38 can be given collar 34 is aided with the folding of necessity or rolls action, further describes as following.This fence 26 also comprises first and second and

tightens element

40,42, and they are installed on the opposite side of collar 34, and for example the edge 36 of substantially contiguous collar 34 is installed.According to an embodiment,

tighten element

40,42 and can install to provide extra fixing security to tightening

element

40,42 through reinforce belt 38.Tightening the details of element is discussing below with reference to Fig. 5 to Fig. 8.

Refer again to Fig. 2 and Fig. 3,

shoulder belt

30,32 is installed through back pad 28, and the installation site, top that is used for shoulder belt is close to the top boundary of back pad 28 substantially.

Shoulder belt

30,32 can be clogged with more comfortable and can comprise auxiliary pocket, with 44, hook or other elements to be can store or carry less article such as wrist-watch, sunglasses, swimming goggle etc.

During use, by making fence 26 exact connect ions will store the content sealing of volume 24, anti-sealing or other liquid enter.This is by following realization: the side of collar 324 is contacted with each other,

tighten element

40,42 and protrude from existing collar 34 side direction for bilayer thickness.Then this bilayer thickness collar 34 is rolled or self is folding preferred minimum three times.This reinforcing be with 38 can assist this folding or roll action, with 38 limit the first fold superimposing threads than low edge 39.Therefore this collar of rolling 34 forms linear strip of paper used for sealing, this strip of paper used for sealing have from each terminal protrude tighten element 40,42.Then these are terminal crooked with closer to each other, as shown in Figure 2, and make and tighten

element

40,42 and connect, as shown in Figure 3.In this mode, this collar is firmly fixed and is prevented from untiing, and it is waterproof that the strip of paper used for sealing that the collar 34 of guaranteeing to fold provides keeps.

Ring limits by the diameter of bag opening, and this should keep opening to promote to pass easily this open package when children use.Yet ring has produced the danger of shrinking, and this has serious danger for children.Increase and throw off tension force so that will encircle as children when their neck is tied up and with this ring of safe tension failure, to eradicate the risk of suffocating.This risk is further strengthened when this sack carries some article when sack is born around neck.Yet need to have the clip of a non-disengagement to keep content dry always, particularly when extreme behavior in adult market.

Refer now to Fig. 5 and Fig. 6, first and second

tighten element

40,42 can be seen in more detail.First tightens element 40 comprises shell 46, and this shell 46 has two connection opening 48,50.Second tightens element 42 comprises three pointed tooths or protrusion, and these pointed tooths or protrusion extend substantially parallel and comprise a central protuberance thing 52 and lateral projections thing 54.Below describe single lateral projections thing, also be present in other lateral projections things but should understand characteristic of correspondence.Lateral projections thing 54 comprises one and is formed at the connection shoulder 56 on the outer surface of this protrusion and forms with first and tighten the shape of the substrate connection of connection opening corresponding on the shell of element 40 48.This connection shoulder can form a part that connects ridge 55, this connection ridge 55 provide towards the soft taper of shell near shoulder 58, with the connection shoulder 56 of being connected away from the larger angulation of the direction of shell.Tighten and make these tighten element in the shell of element 40 to connect by the second protrusion of tightening element 42 being inserted into first.Lateral projections thing 54 enters shell then along with connection shoulder 56 buckles into connection opening 48,50 these lateral projections things buckle into certain position along soft taper near shoulder 58.Tighten element in order to discharge these, it is enough that two connection ridges 55 are applied inside pressure, unties to connect shoulder 56 and can be pulled open separation so that these tighten element.

Again relate to single lateral projections thing, connect shoulder 56 and do not form the right angle with the axle of protrusion 54 but comprise a chamfering.Therefore this shoulder has the profile of taper, than near shoulder 58 larger angulation being arranged but lack the known right angle of tightening the routine of using in the element.The profile of this angulation of this connection shoulder 56 provides the connection that connects between shoulder 56 and the connection opening 48, this connect than in the shoulder situation at right angle for the less repellence of tension force.Therefore the connection shoulder of this profile provides emergency release device, by this releasing device make

tighten element

40,42 when surpassing predetermined threshold with separated from one another.This threshold value connects shoulder by this and extends the angle of indicating with respect to the part of shell 46, and the part of this shell 46 limits connected connection opening 48.The threshold value that this needs, and the angle of the connection shoulder that therefore needs, can select according to possible user's average dynamics, guarantee if emergency occurs, the user can pull open separation, and this tightens element, or in fact this is tightened element and will be only separate when the tension force that is applied thereon surpasses threshold value.In this emergency release device particular importance of situation of children's knapsack, this situation exists by strip of paper used for sealing and tightens the possible of contraction danger that ring that element forms causes.According to the utility model, when this situation occurred, this tightened that element will discharge automatically under the tension force that applies or these children can pull open separation this tightens element, and the ridge 55 and use inside pressure and the tension force that needs of need not to be located by connecting.

As mentioned above, tension force threshold value when tightening the element separation can be selected according to target user's average dynamics, therefore can comprise for the knapsack of very young user design and adjusting size and tighten element, tighten the structure that discharges each other when element is formed in a threshold value, this threshold value is significantly less than the threshold value of selecting for the knapsack of more old user design.For example, this threshold value can be between 15kN to 30kN.According to an embodiment, this threshold value can be 20kN.Can be 25kN according to this threshold value of another embodiment.

Refer now to Fig. 7 and Fig. 8, described and tightened element 140,142 alternate embodiment, wherein connect ridge 155 and comprise and connect shoulder 56 and near shoulder 158, this connection ridge 155 is formed at second and tightens on the central protuberance thing 152 of element 142.Corresponding connection opening 148 is formed at first and tightens on the shell 146 of element 140.The embodiment of tightening element plays a role by the above substantially, to connect ridge 155 to internal pressure so that this tightens element can separate.Similarly, connect shoulder 156 and be provided with chamfering to tighten element above discharging under the tension force of threshold value.

Refer now to Fig. 9 to Figure 11, the second embodiment of knapsack 60 of the present utility model also comprises sack 62, fence 66, back pad 68 and the

shoulder belt

70,72 that limits storage volume 64.Sack 62 is installed on the back pad 68, with the first embodiment.Fence 66 operates substantially as mentioned above, and with reference to the first embodiment, the collar 74 that flexible material is made self is folded to form strip of paper used for sealing, and then its end bends towards each other and tightens through tightening element.With the first embodiment forms contrast be, first and second of the second embodiment of knapsack 60

tighten element

80,82 each comprise central protuberance thing and lateral projections thing, such as above the second description of tightening element 42 about the first embodiment.This lateral protrusions thing comprises and connects ridge 95, and this connection ridge 95 has the shoulder 96 of connection.First and second

tighten element

80,82 each operationally be contained in the 3rd and tighten on the element 100 in the special-purpose pair case that forms.The 3rd tightens element 100 is installed on the back pad 68 through encircling 102, is positioned at the boundary place, top of this back pad, and therefore, it is the substrate of contiguous collar 74 directly, wherein collar 74 from sack 62 in back pad 68 and shoulder belt 70, remainder extension 72 or more.The 3rd tightens element 100 is described in detail among Fig. 9 and Figure 10, and it comprises pair case 86, and this is so that can enter and comprise from two opposite flanks of this shell the connection opening 88,90 of twice size.Connection opening 88,90 each for enough greatly with hold two connect 95, one on ridges from

tighten element

80,82 first, another tightens element from second.

The knapsack 60 of the second embodiment as mentioned above, and is tightened element 80,82,100 through first, second, and third and is tightened collar folding or that roll by collar 74 is folding sealed.According to this mode, avoided producing representing and shunk dangerous ring, because the 3rd to tighten element all be necessary for the end of connecting sealing strip, therefore form this ring, and the free back pad 68 that partly is anchored in other aspects that will encircle safely.The ring of this grappling therefore can not be around children's neck fence.According to an embodiment, first and second

tighten element

80,82 joint shoulder 96 can comprise chamfering, as described in reference to the first embodiment, therefore provides the additional security features of emergency release device.Although do not describe, first and second of the second embodiment is tightened

element

80,82 also can adopt the form of describing among Fig. 7 and Fig. 8, wherein the 3rd tighten element and comprise suitable dual connection opening.Will also be understood that any other feature of the first embodiment description that relates to knapsack 20 can be connected to the second embodiment of knapsack 60, vice versa.

Claims

1. knapsack, comprise the fence of storing volume and operationally sealing this storage volume, it is characterized in that, described fence comprises the collar that flexible material is made, described collar operationally self folds twice at least, and the element of tightening of assisting to be installed on the opposite side of described collar is connected to each other releasedly, and the wherein said element of tightening is constructed to discharge each other surpassing under the tension force of threshold value.

2. knapsack as claimed in claim 1 is characterized in that, describedly tightens the releasing device that element comprises that also the user handles.

3. knapsack as claimed in claim 1 or 2 is characterized in that, the described edge of tightening the contiguous described collar of element is installed.

4. knapsack as claimed in claim 1, it is characterized in that, described first of the element of tightening is tightened element and is comprised the shell with connection opening, and described second of the element of tightening tightens element and comprise and have the protrusion that connects shoulder, and described connection shoulder operationally is connected with described connection opening.

5. knapsack as claimed in claim 4 is characterized in that, described connection shoulder comprises chamfering.

6. such as claim 4 or 5 described knapsacks, it is characterized in that described connection opening comprises chamfering.

7. knapsack as claimed in claim 1 is characterized in that, described storage volume is defined by a sack, and the collar made of described flexible material comprises the extendible portion of described sack.

8. knapsack as claimed in claim 7 is characterized in that, described sack is made by waterproof material.

9. knapsack as claimed in claim 1 is characterized in that, described knapsack comprises at least one shoulder belt.

10. knapsack as claimed in claim 9 is characterized in that, also comprises back pad, and described at least one shoulder belt is installed on the described back pad.

11. knapsack, comprise the fence of storing volume and operationally sealing described storage volume, it is characterized in that, described fence comprises the collar that flexible material is made, described collar operationally self folds at least twice, and first tightens element and second tightens the opposite side that element is installed on described collar, what described knapsack comprised also that the substrate of contiguous described collar installs the 3rd tightens element, wherein said first tighten element be connected tighten element each tighten the element cooperation for tightening element and be connected releasedly with the described the 3rd with the described the 3rd.

12. knapsack as claimed in claim 11, it is characterized in that, the described the 3rd tightens element comprises at least two connection opening, and described first tightens element tightens element each comprises having the protrusion that connects shoulder with being connected, described connection shoulder the described the 3rd connection opening separately of tightening on the element that is operably connected.

13. such as claim 11 or 12 described knapsacks, it is characterized in that, describedly tighten the releasing device that element comprises that also the user handles.

14., it is characterized in that described first tightens element, second tightens element and the 3rd and tighten element and be constructed to discharge each other surpassing under the tension force of threshold value such as claim 11 or 12 described knapsacks.

15. knapsack as claimed in claim 12 is characterized in that, described connection shoulder comprises chamfering.

16. knapsack as claimed in claim 12 is characterized in that, described connection opening comprises chamfering.

17. such as claim 11,12, the described knapsack of 15 and 16 any one, it is characterized in that described storage volume is defined by a sack, and the collar made of described flexible material comprises the extendible portion of described sack.

18. knapsack as claimed in claim 17 is characterized in that, the described the 3rd tightens element is installed on the described sack.

19. knapsack as claimed in claim 18 is characterized in that, described sack is made by waterproof material.

20. knapsack as claimed in claim 11 is characterized in that, described knapsack comprises at least one shoulder belt.

21. knapsack as claimed in claim 20 is characterized in that, also comprises back pad, described at least one shoulder belt is installed on the described back pad.

22. knapsack as claimed in claim 21 is characterized in that, the described the 3rd tightens element is installed on the described back pad.