CN109349780A - A kind of knapsack with anti-face - Google Patents

Abstract

The present invention provides a kind of knapsack with anti-face, the bottom of its backpack body connects backpack cover, the area of the backpack body is greater than the area of backpack cover, when the knapsack is opened, the backpack cover includes capping, the capping connects packet bottom simultaneously, knapsack lateral margin and Bao Ding, the tilt angle of the packet bottom in the horizontal direction is greater than the tilt angle on packet top, the cross section of the knapsack in the horizontal direction is trapezoidal, anti- face is provided on backpack cover, the edge of anti-face is inserted into the gap between the capping and the center, in the inner space, it is provided with suture zone, anti- face is set to be fixed on the backpack cover, several First Lines, second line and third line are mutually random to be intertwined, form several bumps, several described bumps squeeze to form bump group to direction close to each other, several described bump groups are to direction close to each other Adjacent distributions, it is bad to solve existing knapsack security performance, it is easy damaged defect.

Description

A kind of knapsack with anti-face

Technical field

The present invention relates to knapsack technical field, in particular to a kind of knapsack with anti-face.

Background technique

Knapsack is trip articles indispensable in daily life, and existing knapsack pattern is various, and function is different, but final mesh Be provided to facilitate people to go on a journey, but knapsack safety problem and quality problems are that people most pay close attention to always, such as in people The problem of flowing to be scratched in the subway or market of moving by foreign matter and make knapsack breakage, or being scratched during playing or even quilt Thief scratches the problems such as envelope is to steal article, these situations can all influence the experience of user.

Such as 205338045 U of Chinese patent CN, a kind of whole ventilating ventilation and heat knapsack, including school bag ontology, two are disclosed Full wafer be provided with the shoulder belt of whole ventilating hole punched device, two tail bands, adjust connection buckle, elastic band, mesh bag, zipper, handle and Full wafer is provided with the back pad of whole ventilating hole punched device, and the shoulder belt is fixed on the top-rear side of school bag ontology in a manner of suturing； The tail band is fixed on the back side bottom end of school bag ontology in a manner of suturing, and tail band is connected with shoulder belt by adjusting connection buckle； The mesh bag is fixed on the two sides of school bag ontology in a manner of suturing, and elastic band is set to the outside of mesh bag, the both ends of elastic band School bag ontology is fixedly connected in a manner of suture.The utility model is simple and reasonable, easy to use comfortable, school bag diamond-shaped meshes The diversion trench of shape material is born in people in use, shoulder belt and back panel have many small ventilating holes, there is good ventilated heat dissipation Effect makes people be not easy to perspire, and bears comfortable.But this knapsack merely provides comfort, but have ignored safety problem and The quality problems of knapsack just will affect the trip effect of people if occurring surprisingly causing knapsack damaged in trip.

Summary of the invention

The present invention makes in view of the above problems, by changing the structure of knapsack, and the anti-cutting of offer special shape Face, to solve the safety problem and quality problems of existing knapsack, specifically, including backpack body, the bottom of the backpack body connects backpack cover, The area of the backpack body is greater than the area of backpack cover, and backpack cover sprocket, the backpack body is arranged close to the edge of backpack body side in the backpack cover It is upper that the backpack body sprocket connecting with the backpack cover chain tooth engagement is set, two cunnings of sliding setting on the backpack cover sprocket and backpack body sprocket Dynamic head, knapsack is opened when two slide heads deviate from, and knapsack is closed when close, when the knapsack is closed, the backpack body and packet Space is formed as the inner space of knapsack between lid；When the knapsack is opened, the maximum angle of the backpack body and backpack cover is not less than 90°；

The backpack cover includes capping, and the bottom edge of the capping extends connection packet downwards and close to backpack body direction simultaneously Bottom, another side edge in the packet bottom are connect with the backpack body, and the both sides of the edge of the capping are simultaneously to far from capping and close to packet The direction of body each extends over connection knapsack lateral margin, and the tip edge of the capping extends upwards and close to the direction of backpack body simultaneously Connection packet top, the tilt angle of the packet bottom in the horizontal direction is greater than the tilt angle on packet top, and the area at the packet bottom is big The center to form the knapsack is combined in area in packet top, the packet bottom, packet top and knapsack lateral margin, and the knapsack is in the horizontal direction On cross section be it is trapezoidal, and the trapezoidal edge of the side where the capping is shorter in length than the trapezoidal of the backpack body side Edge length；

Anti- face is provided on the backpack cover, the anti-face covers the capping setting, and the edge insertion of anti-face Gap between the capping and the center forms the covering surface to its inner recess and accommodates the recessed of anti-face edge Seam, from covering surface, internally spatially extended protrusion is provided with suture zone, the seam in the inner space to the recessed joint Crossed belt doubling, and be covered on internally spatially extended recessed joint outstanding, being covered on for suture zone after doubling or so equalization is recessed The two sides of seam, and be sewn on recessed joint by suture, and be sewn on the edge of the anti-face in recessed joint simultaneously, make anti-cutting Face is fixed on the backpack cover, and the suture zone is along the edge of anti-face setting and consistent with the shape of the anti-face；

The anti-cutting face includes First Line, the second line and third line, several First Lines, the second line and third line phase It is mutually random to be intertwined, it is respectively formed the surface of the anti-face and is arched upward by First Line, the second line and third line Several bumps, several described bumps squeeze to form bump group to direction close to each other, several described bump groups are to mutual Close direction adjacent distributions,

Several First Lines are always distributed in anti-face, Ruo Gangen along the vertical direction or horizontal direction of the knapsack Second line and third line are always along the directional spreding different from the First Line in anti-face.

Preferably, the anti-face top edge and packet top connect, and lower edge is connect with the packet bottom, left and right two A side edge is respectively protruding into the middle part of two knapsack lateral margins, and when the side edge of the anti-face is protruded into the middle part of knapsack lateral margin, Edge on vertical direction gradually tapers up, and the anti-face is made to be formed as diamond structure.

Preferably, the specific structure of the bump is, by First Line around the second line or third line one week, the focus of formation is Another First Line is passed through bump that previous First Line is formed and around the second line of same root or third line one week by one bump Then, another bump is formed, by third root First Line around the second line of same root or third line one week, forms third bump, Three bumps are squeezed to direction close to each other.

Preferably, while the more First Lines and the winding of the second line and third line are to form bump, always with three The bump position distribution that First Line is formed mode triangular in shape arranges, vertical or lateral between the bump of Triangle-Profile Another or the multiple bumps that distribution is wound by First Line or the second line or third line.

Preferably, the bump group includes that several lateral, longitudinal directions and the bump set to diagonally distribute form, the bump Group is corrugated, several bumps group is linked together in a manner of mutually winding between edge, forms anti-face.

Preferably, backpack cover liner is set on the inside of the backpack cover, and the middle part of the backpack cover liner is arranged side by side, and there are two internal Pocket, direction is extended lower part pocket far from the direction of backpack cover liner under two internal pockets, the lower part pocket Width be equal to two internal pockets width, the internal pocket with the backpack body at a distance from greater than lower part pocket with it is described The distance of backpack body.

Hidden pocket is provided on the lower part pocket, the hidden pocket is opened or closed by zipper.

Preferably, top-down on the inside of the backpack body to be disposed with computer interlayer and plate interlayer, the computer folder Layer extends to packet bottom from top to bottom, and the computer interlayer is provided with cotton flannel surface, the plate interlayer setting close to the side of backpack body The setting charging chamber below the outside of computer interlayer, the plate interlayer, the charging bottom of chamber portion is provided with side openings, makes to count Side openings, which are passed through, according to line one end protrudes into the intracavitary portion of charging, the charger baby in the intracavitary portion of connection charging；The data line other end is certainly Cotton flannel surface bottom is extend out on the outside of backpack body；

It is provided with positive stop strip at the top of the ipsilateral backpack body of the cotton flannel surface, the positive stop strip extends downward into outside plate interlayer Side, and removably connect with plate interlayer outer surface.

Preferably, two harnesses are provided on the outside of the backpack body, are respectively set between two harnesses and the backpack body Two harness lateral margins, the harness lateral margin include left dorsal band lateral margin and right side harness lateral margin, the harness lateral margin from backpack body to Outside extends, and the width on harness lateral margin top is less than the width of lower part, and the edge of the harness lateral margin is made to be formed as arc-shaped.

Preferably, data line delivery outlet, the data line are provided on the harness lateral margin of the side openings side Delivery outlet is connect with the data line for stretching out backpack body；

Left or right side harness lateral margin inner hollow and upper opening, inner space are connected with safe chain, institute Stating safe chain is elastic material, pulls out or takes in inside the harness lateral margin；

The widest part of left or right side harness lateral margin is provided with side bag, stores cup bag or rain in the side bag Umbrella bag is provided with lock ring on the cup bag or umbrella case, and the lock ring is elastomer, and latch hook, the harness is arranged in one end Lateral margin and backpack body junction are provided with retaining ring, the lock ring laterally surround the outer surface of cup bag or umbrella case and with the retaining ring It is connected together.

Preferably, packet top middle part is provided with coded lock, and the coded lock is connected together with two slide heads, institute It states and is provided with harness packet on harness, the harness packet is set as the mode of upper opening or the mode of zipper folding, two institutes Lateral handle is stated on harness while connecting, when two harnesses naturally droop, the transverse direction handle and the harness are ipsilateral.

Beneficial effects of the present invention:

Knapsack of the invention, can be in trip, the comprehensive safety for protecting inside backpacks space, and promotes knapsack matter Amount.

Knapsack structure of the invention can guarantee the safety on the outside of knapsack in conjunction with anti-face, can hurt back encountering foreign object Bao Shi makes to be easy the position hurt and covers anti-face, and the shape be easier to guide foreign object when encountering foreign object to Anti- face, while the structure setting of anti-face, when ensure that foreign object and anti-cutting face contact, bump is directly contacted and is shifted with foreign object Foreign object streaks foreign object in several bumps, will not injure line ontology, but several bumps group bears injury again, to protect Anti-cutting effect is demonstrate,proved, knapsack quality is improved.

And knapsack back structures and the setting of harness shoulder can also obtain adequately protecting for anti-cutting face, improve back Wrap whole safety.

Detailed description of the invention

The present invention will be further described with reference to the accompanying drawings, but the embodiment in attached drawing is not constituted to any limit of the invention System.

Fig. 1 is the perspective view for indicating the knapsack of embodiment.

Fig. 2 is the side view for indicating the knapsack of embodiment.

Fig. 3 is the rearview for indicating the knapsack of embodiment.

Fig. 4 is the perspective view for indicating the knapsack of embodiment.

Fig. 5 is the schematic diagram of internal structure after the knapsack opening for indicating embodiment.

Fig. 6 is the top view for indicating the knapsack of embodiment.

Fig. 7 is the planar structure schematic diagram for indicating the anti-face of embodiment.

Include in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6 and Fig. 7:

1 backpack body, 11 backpack body sprockets, 12 computer interlayers, 13 plate interlayers, 14 cotton flannel surfaces, 15 charging chambers, 16 side openings；

2 backpacks cover, 21 backpack cover sprockets, 22 backpack cover liners, 23 internal pockets, 24 lower part pockets；

3 slide heads；

4 cappings, 41 packet bottoms, 42 knapsack lateral margins, 43 packet tops；

5 anti-faces；

6 recessed joints, 61 suture zones；

7 bumps, 71 bump groups；

8 harnesses, 81 harness packets, 82 lateral handles；

9 harness lateral margins, 91 left dorsals band lateral margin, 92 right side harness lateral margins, 93 data line delivery outlets, 94 safe chains, 95 Side bag, 96 cup bags, 97 lock rings, 99 coded locks.

Specific embodiment

The invention will be further described with the following Examples:

Embodiment 1

One of embodiments of the present invention present embodiments provide a kind of knapsack with anti-face as shown in Fig. 1 to 7, Including backpack body 1, the bottom of the backpack body 1 connects backpack cover 2, and the area of the backpack body 1 is greater than the area of backpack cover 2, and the backpack cover 2 leans on Backpack cover sprocket 21 is arranged in the edge of nearly 1 side of backpack body, and the backpack body of connection is engaged in setting with the backpack cover sprocket 21 on the backpack body 1 Sprocket 11, two slide heads 3 of sliding setting on the backpack cover sprocket 21 and backpack body sprocket 11, two slide heads 3 away from when Knapsack is opened, and knapsack is closed when close, and when the knapsack is closed, the space between the backpack body 1 and backpack cover 2 is formed as knapsack Inner space；

When the knapsack is opened, the maximum angle of the backpack body 1 and backpack cover 2 is not less than 90 °；

The backpack cover 2 includes capping 4, and the bottom edge of the capping 4 extends company downwards and close to 1 direction of backpack body simultaneously Packet bottom 41 is connect, another side edge in the packet bottom 41 is connect with the backpack body 1, and the both sides of the edge of the capping 4 are simultaneously to far from lid Face 4 and the direction of close backpack body 1 each extend over connection knapsack lateral margin 42, and the tip edge of the capping 4 upwards and is leaned on simultaneously The direction of nearly backpack body 1 extends connection packet top 43, and the tilt angle of the packet bottom 41 in the horizontal direction is greater than the inclination on packet top 43 Angle, and the area at the packet bottom 41 is greater than the area on packet top 43, the packet bottom 41, packet top 43 and the combination of knapsack lateral margin 42 are formed The center of the knapsack, the cross section of the knapsack in the horizontal direction are trapezoidal, and the trapezoidal side of 4 side of the capping Edge is shorter in length than the trapezoidal edge length of 1 side of backpack body；

Specifically, above structure forms the backpack cover for gradually tapering up shape while protruding outward, encountered in this way in knapsack different When object scratches, foreign matter can be guided to capping, capping is made to concentrate stress.Guarantee that other positions of knapsack prevent plowing from.

Anti- face 5 is provided on the backpack cover 2, the anti-face 5 covers the capping 4 and is arranged, and the edge of anti-face 5 It is inserted into the gap between the capping 4 and the center, 2 surface of backpack cover is formed to its inner recess and accommodates anti-face 5 The recessed joint 6 at edge, from 2 surface of backpack cover, internally spatially extended protrusion is arranged seamed the recessed joint 6 in the inner space Crossed belt 61,61 doubling of suture zone, and be covered on internally spatially extended recessed joint outstanding 6, the suture zone 61 after doubling The impartial two sides for being covered on recessed joint 6 in left and right, and be sewn on recessed joint 6 by suture, and be sewn in recessed joint 6 simultaneously On the edge of anti-face, anti-face is made to be fixed on the backpack cover 2, the suture zone 61 is arranged simultaneously along the edge of the anti-face 5 It is consistent with the shape of the anti-face 5；

Specifically, above structure guarantees intensity of the anti-face in conjunction with knapsack, and strengthened by the design of recessed joint anti- Face entirety anti-cutting effect will generate suture stress and tear breakage if anti-face is directly sewn onto capping Situation, and the scheme of the present embodiment avoids such case, the strong globality effect of anti-face.

The anti-face 5 includes First Line, the second line and third line, several First Lines, the second line and third line It is mutually random to be intertwined, it is respectively formed the surface of the anti-face 5 and is arched upward by First Line, the second line and third line Several bumps 7, several described bumps 7 squeeze to form bump group 71 to direction close to each other, several described bump groups 71 to direction adjacent distributions close to each other,

Specifically, the First Line is preferably ultra-high molecular weight polyethylene (UHMwPE) or aramid fiber (poly- phenyl-diformyl benzene Diamines) or high density polyethylene (HDPE) (HDPE).Most preferably ultra-high molecular weight polyethylene.

Second line is preferably ultra-high molecular weight polyethylene (UHMwPE) or aramid fiber (poly- phenyl-diformyl phenylenediamine), Or high density polyethylene (HDPE) (HDPE).Most preferably spandex (polyurethane fibre).

The third line is preferably ultra-high molecular weight polyethylene (Hump) or aramid fiber (poly- phenyl-diformyl phenylenediamine), or High density polyethylene (HDPE) (HDPE).Most preferably spandex.

Several First Lines are always distributed in anti-face 5 along the vertical direction or horizontal direction of the knapsack, several Second line and third line described in root are always along the directional spreding different from the First Line in anti-face 5.

Specifically, above structure can guarantee the fastness of anti-face ontology, behind the direction for guaranteeing First Line, in its other party The second line of winding and third line upwards can obtain close anti-face structure.

Embodiment 2

One of embodiments of the present invention, as shown, the main technical schemes of the present embodiment and the basic phase of embodiment 1 Together, the feature not laid down a definition in the present embodiment is no longer repeated herein using the explanation in embodiment 1.The present embodiment with The difference of embodiment 1 is: anti-5 top edge of face is connect with packet top 43, and lower edge and the packet bottom 41 connect It connects, two side edges in left and right extend respectively to the middle part of two knapsack lateral margins 42, and the side edge of the anti-face 5 protrudes into knapsack When 42 middle part of lateral margin, edge in the vertical direction is gradually tapered up, and the anti-face 5 is made to be formed as diamond structure.

Further, the specific structure of the bump 7 is, by First Line around the second line or third line one week, the coke of formation Point is a bump 7, another First Line is passed through the bump 7 of previous First Line formation and around the second line of same root or third Then it forms another bump within line one week, by third root First Line around the second line of same root or third line one week, forms third Bump, three bumps are squeezed to direction close to each other.

By the 4th line pass through bump that third line is formed and around the second line of same root or third line one week then, formation is another A bump 7 squeezes the bump to above three bump direction.

Further, the more First Lines and the winding of the second line and third line form multiple bumps 7 in the above described manner Meanwhile always being arranged in the bump position distribution of three First Lines formation mode triangular in shape, the described of Triangle-Profile dashes forward Another or the multiple bumps that vertical or cross direction profiles are wound by First Line or the second line or third line between point.

At this point, three First Lines are by winding different the second line or third line respectively, then aforementioned the second different line Or third line is combined together multiple First Lines while being mutually wound bump.

Further, the bump group 71 includes that several lateral, longitudinal directions and the bump 7 to diagonally distribute are gathered, institute It is corrugated to state bump group 71, several bumps group 71 links together in a manner of mutually winding between edge, forms anti-cutting Face 5.

Specifically, the building form of above-mentioned anti-face, ensure that hard object or pricking object in bump contact, pass through bump Shape pricking object is shifted, and so on, several bumps can successively shift pricking object when touching pricking object, and Anti- face is made of several bumps group, therefore after pricking object contact bump, will not touch wire body itself again, thus It is disconnected to ensure that wire body will not be drawn, has reached good anti-cutting effect.

Embodiment 3

One of embodiments of the present invention, as shown, the main technical schemes of the present embodiment and embodiment 1 or implementation Example 2 is essentially identical, the feature not laid down a definition in the present embodiment, using the explanation in embodiment 1 or embodiment 2, herein not It is repeated again.The present embodiment and the difference of embodiment 1 or embodiment 2 are: backpack cover liner being arranged on the inside of the backpack cover 2 22, the middle part of the backpack cover liner 22 is arranged side by side there are two internal pocket 23, and the lower direction of two internal pockets 23 is separate The direction of backpack cover liner 22 is extended lower part pocket 24, and the width of the lower part pocket 24 is equal to two internal pockets 23 Width, the internal pocket 23 at a distance from the backpack body 1 be greater than lower part pocket 24 at a distance from the backpack body 1.

Specifically, the internal pocket and lower part pocket of above structure be all under the protection of anti-face, and is reasonably distributed, from Vertical direction generates level, ensure that the purposes of each pocket, also convenient storage function of the user to inside backpacks space Requirement.

Embodiment 4

One of embodiments of the present invention, as shown, the main technical schemes of the present embodiment and embodiment 1 or implementation Example 2 or embodiment 3 are essentially identical, the feature not laid down a definition in the present embodiment, using embodiment 1 or embodiment 2 or Explanation in embodiment 3, is no longer repeated herein.The area of the present embodiment and embodiment 1 or embodiment 2 or embodiment 3 It is not: top-down on the inside of the backpack body to be disposed with computer interlayer 12 and plate interlayer 13, the computer interlayer 12 Packet bottom 41 is extended to from top to bottom, and the computer interlayer 12 is provided with cotton flannel surface 14, the plate interlayer close to the side of backpack body 1 13 are arranged in the outside of computer interlayer 12, setting charging chamber 15 below the plate interlayer 13,15 bottom of the charging chamber setting There are side openings 16, so that data line one end is passed through side openings 16 and protrude into inside charging chamber 15, filling inside connection charging chamber 15 It is electric precious；The data line other end extend out to 1 outside of backpack body from 14 bottom of cotton flannel surface；

It is provided with positive stop strip at the top of the ipsilateral backpack body 1 of the cotton flannel surface 14, the positive stop strip extends downward into plate interlayer 13 outsides, and removably connect with 13 outer surface of plate interlayer.It is preferred that evil spirit is arranged on the inside of positive stop strip and on the outside of plate interlayer Art patch, to fixed positive stop strip.

Further, it is provided with two harnesses 8 on the outside of the backpack body 1, divides between two harnesses 8 and the backpack body 1 Not She Zhi two harness lateral margins 9, the harness lateral margin 9 include left dorsal band lateral margin 91 and right side harness lateral margin 92, the harness Lateral margin 9 extends outward from backpack body 1, and the width on 1 top of harness lateral margin is less than the width of lower part, makes the harness lateral margin 9 Edge is formed as arc-shaped.

Further, be provided with data line delivery outlet 93 on right side harness lateral margin 92, the data line delivery outlet 93 with stretch The data line connection of backpack body 1 out；

92 inner hollow of right side harness lateral margin and upper opening, inner space is connected with safe chain 94, described Safe chain 94 is elastic material, pulls out or takes in inside right side harness lateral margin 92；

The widest part of left or right side harness lateral margin is provided with side bag 95, stores cup 96 in the side bag 95 Bag or umbrella case, are provided with lock ring 97 on the cup bag 96 or umbrella case, and the lock ring 97 is elastomer, and one end setting lock Hook, the harness lateral margin 9 and 1 junction of backpack body are provided with retaining ring, and the lock ring 97 laterally surrounds cup bag 96 or umbrella case Outer surface is simultaneously connected together with the retaining ring.Beam mouth rope is arranged in the opening of the cup bag, to close the opening of cup bag.

Further, 43 middle part of packet top is provided with coded lock 99, and the coded lock 99 and two slide heads 3 block Connection is closed, harness packet 81 is provided on the harness 8, the harness packet 81 is set as the mode or zipper folding of upper opening Mode, connect lateral handle 82 simultaneously on two harnesses 8, when two harnesses 8 naturally droop, the transverse direction handle 82 is ipsilateral with the harness.

Specifically, above structure ensure that the terseness of knapsack entirety, entire back is protected by anti-face to the greatest extent Packet.

Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than protects to the present invention The limitation of range, although the invention is described in detail with reference to the preferred embodiments, those skilled in the art should be managed Solution, can with modification or equivalent replacement of the technical solution of the present invention are made, without departing from technical solution of the present invention essence and Range.

Claims (10)

1. the bottom of a kind of knapsack with anti-face, including backpack body, the backpack body connects backpack cover, the area of the backpack body is greater than Backpack cover sprocket is arranged close to the edge of backpack body side in the area of backpack cover, the backpack cover, setting and the backpack cover chain on the backpack body The backpack body sprocket of tooth engagement connection, two slide heads of sliding setting, two slidings on the backpack cover sprocket and backpack body sprocket Knapsack opening when head deviates from, knapsack is closed when close, and when the knapsack is closed, space is formed as carrying on the back between the backpack body and backpack cover The inner space of packet；

It is characterized by: the maximum angle of the backpack body and backpack cover is not less than 90 ° when the knapsack is opened；

The backpack cover includes capping, and the bottom edge of the capping extends connection packet bottom downwards and close to backpack body direction simultaneously, Another side edge in the packet bottom is connect with the backpack body, and the both sides of the edge of the capping are simultaneously to far from capping and close to backpack body Direction each extends over connection knapsack lateral margin, and the tip edge of the capping extends connection upwards and close to the direction of backpack body simultaneously Packet top, the tilt angle of the packet bottom in the horizontal direction is greater than the tilt angle on packet top, and the area at the packet bottom is greater than packet The area on top, the packet bottom, packet top and knapsack lateral margin combine the center to form the knapsack, and the knapsack is in the horizontal direction Cross section is trapezoidal, and the trapezoidal edge of the side where the capping is shorter in length than the trapezoidal edge of the backpack body side Length；

Anti- face is provided on the backpack cover, the anti-face covers the capping setting, and described in the edge insertion of anti-face Gap between capping and the center makes the covering surface form the recessed joint for accommodating anti-face edge to its inner recess, From covering surface, internally spatially extended protrusion is provided with suture zone, the suture zone in the inner space to the recessed joint Doubling, and being covered on internally spatially extended recessed joint outstanding, suture zone after doubling or so it is impartial be covered on recessed joint Two sides, and be sewn on recessed joint by suture, and be sewn on the edge of the anti-face in recessed joint simultaneously, keep anti-face solid It is scheduled on the backpack cover, the suture zone is along the edge of anti-face setting and consistent with the shape of the anti-face；

The anti-cutting face includes First Line, the second line and third line, several First Lines, the second line and the mutual nothing of third line Rule be intertwined, make the surface of the anti-face be respectively formed arched upward by First Line, the second line and third line it is several Bump, several described bumps squeeze to form bump group to direction close to each other, several described bump groups are to close to each other Direction adjacent distributions,

Several First Lines are always distributed in anti-face along the vertical direction or horizontal direction of the knapsack, described in several Second line and third line are always along the directional spreding different from the First Line in anti-face.

2. the knapsack according to claim 1 with anti-face, it is characterised in that: the anti-face top edge with it is described The connection of packet top, lower edge are connect with the packet bottom, and two side edges in left and right are respectively protruding into the middle part of two knapsack lateral margins, and institute When stating the side edge of anti-face and protruding into the middle part of knapsack lateral margin, edge in the vertical direction is gradually tapered up, and makes the anti-face shape As diamond structure.

3. the knapsack according to claim 1 or 2 with anti-face, it is characterised in that: the specific structure of the bump is, By First Line around the second line or third line one week, the focus of formation is a bump, and another First Line is passed through previous the Bump that one line is formed and around the second line of same root or third line one week then, another bump is formed, by third root First Line Around the second line of same root or third line one week, third bump is formed, three bumps are to direction extruding close to each other.

4. the knapsack according to claim 3 with anti-face, it is characterised in that: the more First Lines and the second line and While the winding of third line is to form bump, the bump position distribution always formed with three First Lines mode triangular in shape is arranged It arranges, vertical or cross direction profiles are wound another by First Line or the second line or third line between the bump of Triangle-Profile One or more bumps.

5. the knapsack according to claim 4 with anti-face, it is characterised in that: the bump group includes several cross Formed to, longitudinal direction and the bump set to diagonally distribute, the bump group is corrugated, several bumps group between edge mutually The mode of winding links together, and forms anti-face.

6. having the knapsack of anti-face according to claim 1 or 5, it is characterised in that: backpack cover is arranged on the inside of the backpack cover Liner, the middle part of the backpack cover liner are arranged side by side there are two internal pocket, and direction is far from backpack cover under two internal pockets The direction of liner is extended lower part pocket, and the width of the lower part pocket is equal to the width of two internal pockets, described Internal pocket is greater than lower part pocket at a distance from the backpack body at a distance from the backpack body.

7. the knapsack according to claim 1 with anti-face, it is characterised in that: on the inside of the backpack body it is top-down according to Secondary to be provided with computer interlayer and plate interlayer, the computer interlayer extends to packet bottom from top to bottom, and the computer interlayer is close to packet The side of body is provided with cotton flannel surface, and the outside of computer interlayer is arranged in the plate interlayer, and setting is filled below the plate interlayer Electric chamber, the charging bottom of chamber portion are provided with side openings, so that data line one end is passed through side openings and protrude into the intracavitary portion of charging, connection Charge the charger baby in intracavitary portion；The data line other end is extend out on the outside of backpack body from cotton flannel surface bottom；

Positive stop strip is provided at the top of the ipsilateral backpack body of the cotton flannel surface, the positive stop strip extends downward on the outside of plate interlayer, and It is removably connect with plate interlayer outer surface.

8. the knapsack according to claim 7 with anti-face, it is characterised in that: be provided with two back on the outside of the backpack body Band, is respectively set two harness lateral margins between two harnesses and the backpack body, the harness lateral margin includes left dorsal band side Edge and right side harness lateral margin, the harness lateral margin extend outward from backpack body, and the width on harness lateral margin top is less than lower part Width makes the edge of the harness lateral margin be formed as arc-shaped.

9. the knapsack according to claim 8 with anti-face, it is characterised in that: the back close to the side openings side Data line delivery outlet is provided on band lateral margin, the data line delivery outlet is connect with the data line for stretching out backpack body；

Left or right side harness lateral margin inner hollow and upper opening, inner space are connected with safe chain, the peace Full chain is elastic material, pulls out or takes in inside the harness lateral margin；

The widest part of left or right side harness lateral margin is provided with side bag, stores cup bag or umbrella in the side bag Bag, lock ring is provided on the cup bag or umbrella case, the lock ring is elastomer, and latch hook, the harness side is arranged in one end Edge and backpack body junction are provided with retaining ring, the lock ring laterally surround the outer surface of cup bag or umbrella case and with the retaining ring card Close connection.

10. the knapsack with anti-face according to claim 8 or claim 9, it is characterised in that: packet top middle part is provided with close Code lock, the coded lock are connected together with two slide heads, and harness packet, the harness packet setting are provided on the harness For the mode that the mode or zipper of upper opening open and close, lateral handle, two back are connected on two harnesses simultaneously When band naturally droops, the transverse direction handle and the harness are ipsilateral.