CN207100865U

CN207100865U - A kind of novel and multifunctional knapsack

Info

Publication number: CN207100865U
Application number: CN201721053411.2U
Authority: CN
Inventors: 苏锦峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-08-22
Filing date: 2017-08-22
Publication date: 2018-03-16
Anticipated expiration: 2027-08-22

Abstract

A kind of novel and multifunctional knapsack, shoulder belt lower end is fixed on knapsack bottom by the first fixture, knapsack side has at least one side pocket for housing kettle, stretch cord is provided with side pocket, being equipped with successively on stretch cord can be along elastic force iope slippage and/or the first lock and the second lock of locking, the button that stretch cord is discharged when it is pressed is respectively provided with lock, part between stretch cord top and the first lock is the first paragraph stretch cord of fixed bottle body, part between first lock and the second lock is second segment stretch cord, second lock to the part between stretch cord end is the 3rd section of stretch cord of fixed pot mouth；Side pocket has slide fastener, can be closed side pocket by slide fastener, and when side pocket is closed, stretch cord is enclosed in inside side pocket；The bottom of knapsack is provided with drawing and pulling type flap, and the interlayer that flap passes through can be extracted by being provided between knapsack trailing flank and back of the body width described in accommodating.The utility model is skillfully constructed, structure is novel, vdiverse in function, practical, application easy to spread.

Description

A kind of novel and multifunctional knapsack

Technical field

It the utility model is related to a kind of knapsack, more particularly to a kind of novel and multifunctional knapsack.

Background technology

Conventional knapsack all has side pocket, can be used for the kettle that discharges water, however it is simple kettle is put into side pocket after can not Fixed, kettle easily slides from side pocket.It is provided with conventional shoulder strap for bag fixed part and unloads power portion, however, due to batch Production etc. reason, reality in shoulder strap for bag length and unload power portion be fixed setting, it is impossible to according to the use of user practise Used and actual demand is targetedly adjusted, and comfort when causing the user to use is bad, can not be to general use Person's shoulder and spine are effectively protected.

Utility model content

In order to overcome drawbacks described above, the technical solution of the utility model is as follows：

Scheme 1, a kind of novel and multifunctional knapsack, the knapsack have shoulder belt, and the lower end of shoulder belt is consolidated by the first fixture It is connected in knapsack bottom；Knapsack side has at least one side pocket for housing kettle；Stretch cord is provided with side pocket, on stretch cord Being equipped with successively can be upper equal along elastic force iope slippage and/or the first lock and the second lock of locking, the first lock and the second lock With the button that stretch cord is discharged when it is pressed；Stretch cord top be fixed on knapsack side or knapsack side pocket medial surface or Drawn by the through hole on knapsack side from inside backpacks, the stretch cord between stretch cord top and the first lock is fixed water The first paragraph stretch cord of the bottle body of kettle, the stretch cord between the first lock and the second lock are second segment stretch cord, and second latches To the 3rd section of stretch cord of the pot mouth part that the stretch cord between stretch cord end is fixed kettle.

Scheme 2, a kind of novel and multifunctional knapsack as described in scheme 1, after fixed kettle, second segment stretch cord is in pine Relaxation state.

Scheme 3, a kind of novel and multifunctional knapsack as described in scheme 1 or 2, side pocket have slide fastener, by slide fastener by side pocket Closing, when side pocket is closed, stretch cord is enclosed in inside side pocket.

Scheme 4, a kind of novel and multifunctional knapsack as described in scheme 1 or 2, the preceding centre of surface position of knapsack have along perpendicular At least one section reflecting strips of the Nogata to subsection setup.

Scheme 5, a kind of novel and multifunctional knapsack as described in scheme 1 or 2, knapsack front lower section be provided with conveniently pick and place it is small The pouch of part, pouch pass through pouch zipper closure.

Scheme 6, a kind of novel and multifunctional knapsack as described in scheme 1 or 2, the bottom of knapsack are provided with drawing and pulling type flap, The space that flap passes through can be extracted by being provided between knapsack trailing flank and back of the body width described in accommodating.

Scheme 7, a kind of novel and multifunctional knapsack as described in scheme 1 or 2, the knapsack has two shoulder belts, in knapsack Top be provided with two shoulder belt holes, the upper ends of two shoulder belts is commonly connected to a shoulder after each passing through shoulder belt hole to inside backpacks On band fixed part, the shoulder belt fixed part can be consolidated along the trailing flank that the trailing flank of inside backpacks is moved up and down afterwards with inside backpacks Even；Protection pad is provided with the back of the body width of knapsack；Left and right flap is provided with the bottom of knapsack, the left and right flap can be in upper and lower It is adjusted up position.

Scheme 8, a kind of novel and multifunctional knapsack as described in scheme 7, shoulder belt top and neck joint place have with The arc shaped inside face that neck curve is adapted.

Scheme 9, a kind of novel and multifunctional knapsack as described in scheme 7, six pieces of protection pads are provided with the back of the body width of the knapsack, Arrange and arrange in three rows two；Or eight pieces of protection pads are provided with the back of the body width of knapsack, arrange and arrange in four rows two.

Scheme 10, a kind of novel and multifunctional knapsack as described in scheme 9, have between the protection pad of upper row and the protection pad of intermediate row Have and avoid the raised interval of back ribs of the fan, intermediate row protection pad is close on the muscle of rib, and lower row's protection pad is arranged on to be pasted with waist At conjunction.

Scheme 11, a kind of novel and multifunctional knapsack as described in scheme 9 or 10, two protection pads of upper row are substantially v-shaped, open Mouth is generally upwards；The intermediate row and protection pad of lower row is substantially u-shaped or cashew nut shape, the protection pad positioned at left column of intermediate row and lower row The protection pad opening positioned at left column substantially to the left, intermediate row is opened positioned at the protection pad of right row and the protection pad positioned at right row of lower row Mouth is substantially to the right.

Scheme 12, a kind of novel and multifunctional knapsack as described in scheme 9 or 10, protection pad can detachably connect with the knapsack back side Connect.

Scheme 13, a kind of novel and multifunctional knapsack as described in scheme 12, protection pad are attached to the knapsack back side by VELCRO, often Individual protection pad can individually adjust pasted position.

Scheme 14, a kind of novel and multifunctional knapsack as described in scheme 7, one end that left and right flap is connected with knapsack is all provided with It is equipped with a public plug, surface left and right side is respectively arranged with three females, the male plug of flap on knapsack two sides or after knapsack Head can the female of the female with the top, middle female or bottom respectively be connected.

Scheme 15, a kind of novel and multifunctional knapsack as described in scheme 7, the part that left and right flap is connected with knapsack is all provided with It is equipped with two public plugs, surface left and right side is each provided with four females on knapsack two sides or after knapsack, when user's height When shorter, two public plugs of flap are connected with two females of the top；When user's height is medium, two of flap Public plug is connected with two females of centre；When user's height is higher, two public plugs of flap and the two of bottom Individual female is connected.

Scheme 16, a kind of novel and multifunctional knapsack as described in scheme 7, regulation is provided with the shoulder belt fixed part Band, the trailing flank bottom of inside backpacks are fixed with lower regulation band, and upper and lower regulation band logical is overregulated button and is connected.

Scheme 17, a kind of novel and multifunctional knapsack as described in scheme 7, shoulder belt is corresponded on the trailing flank of inside backpacks and is fixed The motion track in portion, a VELCRO male patch is respectively arranged with the left and right sides, and the back side of the shoulder belt fixed part corresponds to two respectively VELCRO male patch is provided with VELCRO female patch.

Scheme 18, a kind of novel and multifunctional knapsack as described in scheme 7, the left and right flap can adjust length in the horizontal Degree, the left and right flap are connected with each other after set location and length is regulated.

Scheme 19, a kind of novel and multifunctional knapsack as described in scheme 7, the knapsack are additionally provided with a protective layer, the guarantor Sheath shape is adapted with the trailing flank of inside backpacks, covers the trailing flank of inside backpacks, the side of protective layer one and inside backpacks A side of trailing flank be directly connected to；Remaining side of protective layer is connected by the trailing flank of protective layer slide fastener and inside backpacks Connect.

Scheme 20, a kind of novel and multifunctional knapsack as described in scheme 19, shoulder belt fixed part, VELCRO, regulation band and/or Adjusting button is arranged between protective layer and the trailing flank of inside backpacks.

Scheme 21, a kind of novel and multifunctional knapsack as described in scheme 1 or 2, stretch cord are ring-type elastic force fake, ring-type bullet Being equipped with successively on power fake can be along the position of ring-type elastic force fake corresponding two sections while the first lock of sliding and/or locking The button that stretch cord is discharged when it is pressed is respectively provided with button and the second lock, the first lock and the second lock；Elastic force fake Top is fixed on the medial surface of knapsack side or knapsack side pocket or drawn by the through hole on knapsack side from inside backpacks, bullet Stretch cord between power fake top and the first lock is the first paragraph stretch cord of the bottle body of fixed kettle, and first latches and second Stretch cord between lock is second segment stretch cord, and the second lock to the stretch cord between elastic force fake end is fixed kettle 3rd section of stretch cord of pot mouth part.

Scheme 22, a kind of novel and multifunctional knapsack as described in scheme 1 or 2, stretch cord include arranged side by side two and restricted, two The end of rope links together, and two ropes are upper to be equipped with lock simultaneously, and lock is included simultaneously along two sections of corresponding slidings of position And/or the first lock of locking and second latches, it is respectively provided with the first lock and the second lock and discharges elastic force when it is pressed The button of rope；The top of two stretch cords is fixed on the medial surface of knapsack side or knapsack side pocket or by passing through on knapsack side Through hole is drawn from inside backpacks, and the part between the top and the first lock of two stretch cords is the first of the bottle body of fixed kettle Section stretch cord, the part between the first lock and the second lock are second segment stretch cord, and the second lock to two elastic force fakes connects Part between the end being connected together is the 3rd section of stretch cord of the pot mouth part of fixed kettle.

Scheme 23, a kind of novel and multifunctional knapsack as described in scheme 1,2,8, any one of 14-20, back of the body width have ditch Groove, the groove of its middle and upper part is del, is triangular groove of the opening towards left side on the left of middle part, is opening on the right side of middle part Towards the triangular groove on right side, the position corresponding with the shoulder folder portion of human body is arranged at towards the triangular groove in left side and right side Put, bottom has the downward opening pentagonal groove of approximation.

Scheme 24, a kind of novel and multifunctional knapsack as described in scheme 1,2,8, any one of 14-20, carry on the back width two bottom sides With widening structure, the bottom for carrying on the back width is bigger than the width on top

Novel and multifunctional knapsack described in the utility model is by setting the elastic force rope structure for being equipped with slip and latching, it is ensured that Even if can also lock the bottle body main part and oral area of kettle in the sport mode, ensure the firm connection of kettle and knapsack, without The situation that can be inadvertently fallen off.Meanwhile this new described knapsack between knapsack trailing flank and back of the body width by setting confession to take out The interlayer that flap passes through is taken, the use and removal of flap can be realized according to the use habit and actual demand of user.In addition, this The new knapsack can easily carry out the position adjustments of shoulder belt, to adapt to different users, the thickening of shoulder belt and curved portions Shape-designing makes knapsack be close to the muscle of neck.The position adjustments of shoulder belt and carry on the back the structure of width and can allow the distribution of weight of knapsack Onto neck, neck and the muscle at back, the effect of buffering is played, reduces the fatigue of user, while there is preferable gas permeability, increased Force the comfort level of used time.

Other feature and advantage of the present utility model will be described in detail in subsequent specific embodiment part.

Brief description of the drawings

Accompanying drawing is to be further understood for providing to of the present utility model, and a part for constitution instruction, and following Embodiment be used to explain the utility model together, but do not form to limitation of the present utility model.In the accompanying drawings：

Fig. 1 is a kind of side view of embodiment of the utility model；

Fig. 2 is a kind of schematic diagram of embodiment dress kettle of the utility model；

Fig. 3 is the side view for the embodiment that the utility model another kind side pocket has slide fastener；

Fig. 4 is the schematic diagram that the utility model another kind embodiment opens slide fastener；

Fig. 5 is the schematic diagram of the utility model another kind embodiment dress kettle；

Fig. 6 is the structural representation of the utility model another embodiment；

Fig. 7 is the use structural representation of the utility model another embodiment protective layer；

Fig. 8 is the schematic rear view of the utility model another embodiment；

Fig. 9 is the protection pad, shoulder belt and flap attachment structure schematic diagram of the utility model another embodiment；

Figure 10 is the schematic rear view of another embodiment of the utility model；

Figure 11 is the schematic rear view of the utility model yet a further embodiment；

Figure 12 is the utility model front schematic view；

Figure 13 is the schematic rear view that the utility model has drawing and pulling type flap；

Figure 14 is the schematic diagram of the present utility model for preferably carrying on the back width embodiment.

In figure, 1-shoulder belt；2-side pocket；3-stretch cord；31-first paragraph stretch cord；32-second segment stretch cord；33— 3rd section of stretch cord；4-the first lock；5-the second lock；6-slide fastener；7-kettle；21-shoulder belt fixed part；22-knapsack Internal trailing flank；23-VELCRO male patch；24-protective layer；25-protective layer slide fastener；26-regulation band；27-adjusting button； 28-flap；29-protection pad；41-reflecting strips；51-pen bag slide fastener；61-groove.

Embodiment

Specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein Described embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.

Reference picture 1-13 in the lump, the utility model is related to a kind of novel and multifunctional knapsack, and concrete structure is as follows：

Two shoulder belts 1 are provided with knapsack trailing flank, the lower end of two shoulder belts 1 is arranged on outside knapsack by the first fixture On trailing flank.Knapsack two sides at least have a side pocket 2, and side pocket 2 can be used for filling kettle 7.Stretch cord is installed in side pocket 3, there is on stretch cord 3 lock, can be used for fixing kettle 7.

Preferably, stretch cord 3 is arranged side by side two, and its end links together, and two ropes are upper to be equipped with lock simultaneously, locks Button is included simultaneously along two sections of corresponding slidings of position and/or the first lock 4 of locking and the second lock 5.Lock locking elastic force Restrict, there is button on lock, when pressing the button of lock, lock unclamps stretch cord.First lock 4 is with being arranged at school bag side pocket 2 On stretch cord top between stretch cord be first paragraph stretch cord 31, it is used for the bottle body for fixing kettle 7；First lock 4 with Stretch cord between second lock 5 is second segment stretch cord 32；Second lock 5 to the stretch cord between the end of stretch cord 3 is the Three sections of stretch cords 33, it is used for the pot mouth part for fixing kettle 7.After fixed kettle 7, second segment stretch cord 32 is in relaxation shape State.

Wherein, side pocket 2 is uncovered structure, and certainly, side pocket 2 can also have a slide fastener 6, and by slide fastener 6 by the envelope of side pocket 2 Close, when side pocket 2 is closed, stretch cord 3 is enclosed in inside side pocket 2.

Reference picture 6-7, two shoulder belt holes are provided with the upper end of the trailing flank 22 of inside backpacks.Set in knapsack trailing flank Two shoulder belts 1 are equipped with, the upper end fixation part of two shoulder belts 1 is each passed through two shoulder belt holes to the trailing flank 22 of inside backpacks and is connected to On shoulder belt fixed part 21；The lower end of two shoulder belts 1 is arranged on the trailing flank outside knapsack by the first fixture.Preferably, it is described It is in butterfly shape that shoulder belt fixed part 21 is overall, and two shoulder belt upper ends are respectively and fixedly connected with two wings in butterfly shape.

Regulation band 26 is provided with the shoulder belt fixed part 21, lower regulation is fixed with the trailing flank 22 of inside backpacks Band, adjusting button 27 are fixed on lower regulation and taken, and upper regulation band 26 is fixed together by adjusting button 27 and lower regulation band, so as to protect Demonstrate,proving the shoulder belt regulated will not slide up and down again.

The motion track that shoulder belt fixed part 21 is corresponded on the trailing flank 22 of the inside backpacks is set respectively in the left and right sides There is a VELCRO male patch 23, the downside of the shoulder belt fixed part corresponds to two VELCRO male patch 23 and is provided with VELCRO mother respectively Patch.The VELCRO is the second fixture, its role is to fixed shoulder belt fixed part on the trailing flank 22 of inside backpacks.

The inside backpacks are additionally provided with a protective layer 24, and the trailing flank 22 of the shape of protective layer 24 and inside backpacks matches Close；The protective layer 24 covers the trailing flank 22 of inside backpacks, shoulder belt fixed part 21, VELCRO, regulation band 26 and adjusting button 27 In protective layer 24.The base of protective layer 24 is connected with the base of the trailing flank 22 of inside backpacks, and remaining side passes through protection Layer slide fastener 25 is connected with the trailing flank 22 of inside backpacks.

The knapsack bottom also has left and right flap 28, and flap 28 has buckle, can tie up to waist.

Alternatively, flap 28 can be adjusted in the vertical direction according to the height of different users, ensure left and right shield Pan Gushang is placed in after wing connection.Pin end can be set in flap one end, be set up in the upper and lower of knapsack with different height Female joint.

Alternatively, flap 28 can be adjusted on lateral length direction, to adapt to the waistline of different users, ensure Pan Gushang is placed in after left and right flap connection.

It is the back of the body width of knapsack described in the utility model shown in Fig. 8, is provided with the protection pad 29 of three rows two row, can avoid The bone of user, muscle of the knapsack directly with back is bonded, and there is splendid gas permeability.Specifically, the protection pad of upper row Adjacent shoulder belt is set, and can be connected with shoulder belt, can also split settings, between the protection pad of middle row and the protection pad of upper row between Every the projection for avoiding back ribs of the fan, middle row's protection pad is close on the muscle of back relative with rib, and the protection pad of lower row is attached to waist Portion, it is used cooperatively with the flap of both sides, the weight of knapsack can be distributed to Pan Gushang, and prevent in walking process in knapsack Hard thing is collided with spine.

The top of shoulder strap for bag 1 described in the utility model is curved, is adapted with neck, is more bonded.Shoulder belt with The one side of user's fitting cuts out shaping using ventilative screen cloth 3D, more ventilative.The protection pad 29 of shoulder belt 1 and back of the body width is all using thickening High recovery sponge.Tested by volunteer, the thickness of the protection pad is set greater than 1.5 centimeters, only reaches this thickness, side Can guarantee that volunteer bear loaded knapsack walking that it can bear maximum weight when, hard thing in knapsack not with spine phase Touch, now human comfort is splendid.

As shown in Figure 9, it is preferable that the part that left and right flap 28 is connected with knapsack is provided with 2 public plugs, knapsack two Side is each provided with 4 females, when user's height is shorter, 2 public plugs of flap 28 and two female plugs of the top Head is connected；When user's height is medium, 2 public plugs of flap 28 are connected with two females of centre；When user's body When higher, 2 public plugs of flap 28 are connected with two females of bottom.

As an alternative embodiment, one can also be provided with one end that left and right flap is connected with knapsack Public plug, surface left and right side is respectively arranged with three females on knapsack two sides or after knapsack, according to the height of user not Together, can adjust flap public plug can the female with the top, middle female or bottom respectively female phase Even.

As shown in figure 12, reflecting strips 41 are provided with knapsack front center, reflecting strips 41 include two sections.Knapsack front Pen bag is can be positioned below, pen bag is closed by pen bag slide fastener 51.

As shown in figure 13, it is provided between knapsack trailing flank and protection pad 29 and accommodates the space that flap 28 passes through, flap 28 The space can be passed through.When user needs to use flap 28, one end of flap 28 is penetrated to from opposite side from side and worn Go out, now flap intermediate body portions are placed in space, and the both ends of flap are respectively positioned at the both sides of knapsack so that user makes With.When user need not use flap 28, flap 28 can be extracted out, knapsack also can independently make in the state of without flap With.It is that drawing and pulling type flap is in draw process shown in Figure 13, the flap is just extracted out from a lateral opposite side of knapsack.

The application process of multifunctional backpack described in the utility model is as follows：

By taking backpack strap as an example, according to the needs of user, by pulling the slide downward of shoulder belt fixed part 21, regulation up-regulation Save the position relationship of band 26 and adjusting button 27.Because unloading power portion to be arranged on the certain position of shoulder belt fixed part, that is, adjust shoulder belt During fixed part, it can be intuitive to see and unload the position that power portion is adjusted to, therefore by pulling shoulder belt fixed part accurately to adjust shoulder Band unloads power portion to the position of shoulder.The length that the part of knapsack is shouldered in shoulder belt actual using part for user is have adjusted simultaneously It is short.After adjustment determines good position, the position relationship of upper regulation band 26 and adjusting button 27 is determined that, shoulder belt fixed part is passed through into evil spirit Art is pasted on the fixed trailing flank for pasting inside backpacks, that is, is completed shoulder belt adjustment and fixed.

The shoulder position unloaded power portion and be adjusted to user on shoulder belt, the shoulder and ridge of user can be protected well Portion.Afterwards, adjust the set location in the vertical direction of flap 28, while adjust its length in the horizontal, with user Build be adapted.

When placing kettle, the slide fastener 6 of side pocket 2 is first turned on, kettle 7 is put into inside side pocket 2, press the first lock 4 Button, the first lock 4 is moved to the end of stretch cord 3 and can entangle bottle body, the button of the first lock 4 is unclamped, by first paragraph Stretch cord 31 is enclosed on the bottle body of kettle 7；Press the button of the first lock 4, mobile first lock 4 to the position for the bottle body that is locked Put.3rd section of stretch cord 33 is folded upward at, is enclosed on the pot mouth part of kettle 7, the position of the lock of regulation second 5 is to being locked Pot mouth.

Application of the present utility model：The novel and multifunctional knapsack of shoulder protector described in the utility model can apply to children's book Bag, working clan are with computer package, people in the outdoor with the case and bag class products such as mountain-climbing bag.

Part-structure of the present utility model can also use other structure and form：

Alternatively, stretch cord is ring-type elastic force fake, and being equipped with successively on ring-type elastic force fake can be along ring-type elastic force fake The sliding simultaneously of position corresponding two sections and/or locking the first lock and the second lock, on the first lock and the second lock It is respectively provided with the button that stretch cord is discharged when it is pressed；Elastic force fake top is fixed on knapsack side or the inner side of knapsack side pocket Face is drawn by the through hole on knapsack side from inside backpacks, and the stretch cord between elastic force fake top and the first lock is The first paragraph stretch cord of the bottle body of fixed kettle, the stretch cord between the first lock and the second lock is second segment stretch cord, the Two locks to the stretch cord between elastic force fake end is the 3rd section of stretch cord of the pot mouth part of fixed kettle.

Alternatively, the lower end of two shoulder belts is arranged on the left and right side outside knapsack by the first fixture.

Alternatively, the female joint being engaged with the pin end of left and right flap can be arranged on the trailing flank of knapsack, also may be used To be arranged on the left and right side of knapsack.

Alternatively, the downside center section of shoulder belt fixed part 21 may be provided with VELCRO female patch, the inside backpacks The motion track that shoulder belt fixed part 21 is corresponded on trailing flank 22 is provided with a VELCRO male patch, is realized and exchanged by a VELCRO The fixation of shoulder belt fixed part 21 after section.

Alternatively, second fixture can use the anchor structures such as buckle structure, clip, clip to replace.According to Buckle structure, structure are as follows：The pin thread of the eye-splice is arranged on the trailing flank of inside backpacks, the box installation of the eye-splice In shoulder belt fixed part, the pin thread can adjust length；The position of eye-splice arrangement is consistent with quantity with VELCRO.

Alternatively, protection pad 29 can be arranged as shown in Figure 10, and two protection pads of upper row are V-shaped, and opening is upward；Middle row and The protection pad of lower row takes the shape of the letter U or cashew nut shape, middle row positioned at left column protection pad and lower row the protection pad opening positioned at left column to the left, in Row positioned at right row protection pad and lower row the protection pad opening positioned at right row to the right.

Alternatively, as shown in figure 11, the protection pad 29 of four rows two row is provided with the back of the body width of knapsack, can be with avoiding user Bone, muscle of the knapsack directly with back is bonded, and there is splendid gas permeability.Specifically, the adjacent shoulder belt of the protection pad of upper row Set, can be connected with shoulder belt, can also split settings, the interval between the middle protection pad of two rows and the protection pad of upper row is kept away The projection of back ribs of the fan is opened, middle two row's protection pads are close on the muscle of rib, and the protection pad of lower row is attached to waist, with both sides Flap is used cooperatively, and the weight of knapsack can be distributed to Pan Gushang, and prevents the hard thing and spine in walking process in knapsack Collide.There is gap between two middle row's protection pads, be advantageous to radiate.

Alternatively, protection pad 29 can also be detachably connected with the knapsack back side, preferably be attached to the knapsack back side by VELCRO, often Individual protection pad can individually adjust pasted position.

Alternatively, protection pad 29 uses hollow air cushion structure, and plays corresponding effect.

Alternatively, as shown in figure 14, back of the body width has groove 61.Specifically, the groove for carrying on the back width top is del, middle part Left side is triangular groove of the opening towards left side, be triangular groove of the opening towards right side on the right side of middle part, towards left side with The triangular groove on right side is arranged at the position corresponding with the shoulder folder portion of human body, and bottom has downward opening approximate pentagon Groove.Such a structure uses particularly suitable for child and child, and back of the body width uses high-density sponge to thicken material to protect on the whole Back is protected, moving position is pressed from both sides to back of the body width progress line ball formation groove for the shoulder of back, can make to avoid carrying on the back width during shoulder folder activity Namely pressed from both sides to shoulder and a movable space is provided, sticky feeling caused by back of the body width is pressed on shoulder folder above is avoided, facilitates back to live It is dynamic.Meanwhile groove has the function that water conservancy diversion back heat.

Alternatively, back of the body width two bottom sides are widened to the left and right respectively, i.e. the bottom of back of the body width is bigger than the width on top, preferably patch Close in waist, and there can be larger area parcel waist when locking brace, make school bag be not easy to move left and right, stably fix In the back of child and child.

The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model Claimed scope is by appended claims and its equivalent thereof.

Claims

A kind of 1. novel and multifunctional knapsack, it is characterised in that：The knapsack has shoulder belt, and the lower end of shoulder belt passes through the first fixture It is fixed on knapsack bottom；Knapsack side has at least one side pocket for housing kettle；Stretch cord, stretch cord are provided with side pocket On be equipped with successively can be along the first lock and the second lock of elastic force iope slippage and/or locking, on the first lock and the second lock It is respectively provided with the button that stretch cord is discharged when it is pressed；Stretch cord top is fixed on the medial surface of knapsack side or knapsack side pocket Or drawn by the through hole on knapsack side from inside backpacks, the stretch cord between stretch cord top and the first lock is fixation The first paragraph stretch cord of the bottle body of kettle, the stretch cord between the first lock and the second lock are second segment stretch cord, and second locks Detain to the 3rd section of stretch cord of the pot mouth part that the stretch cord between stretch cord end is fixed kettle.
A kind of 2. novel and multifunctional knapsack as claimed in claim 1, it is characterised in that after fixed kettle, second segment elastic force Rope is in relaxed state.
3. a kind of novel and multifunctional knapsack as claimed in claim 1 or 2, it is characterised in that side pocket has slide fastener, passes through slide fastener Side pocket is closed, when side pocket is closed, stretch cord is enclosed in inside side pocket.
A kind of 4. novel and multifunctional knapsack as claimed in claim 1 or 2, it is characterised in that the preceding centre of surface position of knapsack At least one section of reflecting strips with vertically subsection setup.
A kind of 5. novel and multifunctional knapsack as claimed in claim 1 or 2, it is characterised in that the knapsack front lower section side of being provided with Just the pouch of smallclothes is picked and placeed, pouch passes through pouch zipper closure.
6. a kind of novel and multifunctional knapsack as claimed in claim 1 or 2, it is characterised in that the bottom of knapsack is provided with pull Formula flap, the space for accommodating the drawing and pulling type flap and passing through is provided between knapsack trailing flank and back of the body width.
A kind of 7. novel and multifunctional knapsack as claimed in claim 1 or 2, it is characterised in that the knapsack has two shoulder belts, It is provided with two shoulder belt holes on the top of knapsack, the upper ends of two shoulder belts connects jointly after each passing through shoulder belt hole to inside backpacks Onto a shoulder belt fixed part, the shoulder belt fixed part can move up and down the rear side with inside backpacks afterwards along the trailing flank of inside backpacks Face is connected；Protection pad is provided with the back of the body width of knapsack；Left and right flap is provided with the bottom of knapsack, the left and right flap can be upper Lower section is adjusted up position.
8. a kind of novel and multifunctional knapsack as claimed in claim 7, it is characterised in that shoulder belt top and neck joint place With the arc shaped inside face being adapted with neck curve.
9. a kind of novel and multifunctional knapsack as claimed in claim 7, it is characterised in that be provided with six on the back of the body width of the knapsack Block protection pad, arrange and arrange in three rows two；Or eight pieces of protection pads are provided with the back of the body width of knapsack, arrange and arrange in four rows two.
10. a kind of novel and multifunctional knapsack as claimed in claim 9, it is characterised in that the protection pad and the shield of intermediate row above arranged Have between pad and avoid the raised interval of back ribs of the fan, intermediate row protection pad is close on the muscle of rib, and lower row's protection pad is arranged on With waist joint place.
11. a kind of novel and multifunctional knapsack as described in claim 9 or 10, it is characterised in that two protection pads above arranged are substantially V-shaped, opening is generally upwards；The intermediate row and protection pad of lower row is substantially u-shaped or cashew nut shape, the shield positioned at left column of intermediate row Substantially to the left, intermediate row is located at right row to the protection pad opening positioned at left column of pad and lower row positioned at the protection pad of right row and lower row Protection pad opening substantially to the right.
12. a kind of novel and multifunctional knapsack as described in claim 9 or 10, it is characterised in that protection pad can be with the knapsack back side It is detachably connected.
13. a kind of novel and multifunctional knapsack as claimed in claim 12, it is characterised in that protection pad is attached to knapsack by VELCRO The back side, each protection pad can individually adjust pasted position.
A kind of 14. novel and multifunctional knapsack as claimed in claim 7, it is characterised in that left and right flap be connected with knapsack one Hold and be provided with a public plug, surface left and right side is respectively arranged with three females, flap on knapsack two sides or after knapsack Public plug can the female of the female with the top, middle female or bottom respectively be connected.
A kind of 15. novel and multifunctional knapsack as claimed in claim 7, it is characterised in that the portion that left and right flap is connected with knapsack It is divided to and is provided with two public plugs, surface left and right side is each provided with four females on knapsack two sides or after knapsack, works as use When person's height is shorter, two public plugs of flap are connected with two females of the top；When user's height is medium, flap Two public plugs with centre two females be connected；When user's height is higher, two public plugs of flap with it is most lower Two females at end are connected.
16. a kind of novel and multifunctional knapsack as claimed in claim 7, regulation band is provided with the shoulder belt fixed part, is carried on the back Trailing flank bottom inside bag is fixed with lower regulation band, and upper and lower regulation band logical is overregulated button and is connected.
17. a kind of novel and multifunctional knapsack as claimed in claim 7, it is characterised in that corresponding on the trailing flank of inside backpacks The motion track of shoulder belt fixed part, a VELCRO male patch, the back side point of the shoulder belt fixed part are respectively arranged with the left and right sides Not Dui Ying two VELCRO male patch be provided with VELCRO female patch.
18. a kind of novel and multifunctional knapsack as claimed in claim 7, it is characterised in that the left and right flap can be in the horizontal Adjustment length, the left and right flap are connected with each other after set location and length is regulated.
A kind of 19. novel and multifunctional knapsack as claimed in claim 7, it is characterised in that the knapsack is additionally provided with a protective layer, The protective layer shape is adapted with the trailing flank of inside backpacks, covers the trailing flank of inside backpacks, the side of protective layer one and the back of the body One side of the trailing flank inside bag is directly connected to；Remaining side of protective layer passes through protective layer slide fastener and the rear side of inside backpacks Face connects.
20. a kind of novel and multifunctional knapsack as claimed in claim 19, it is characterised in that shoulder belt fixed part, VELCRO, regulation Band and/or adjusting button are arranged between protective layer and the trailing flank of inside backpacks.
21. a kind of novel and multifunctional knapsack as claimed in claim 1 or 2, it is characterised in that stretch cord is ring-type stretch cord Enclose, being equipped with successively on ring-type elastic force fake can be along the position of ring-type elastic force fake corresponding two sections while sliding and/or lock Only first lock and second lock, first lock and second lock on be respectively provided with when it is pressed discharge stretch cord by Button；Elastic force fake top is fixed on the medial surface of knapsack side or knapsack side pocket or by the through hole on knapsack side from knapsack Inside is drawn, and the stretch cord between elastic force fake top and the first lock is the first paragraph stretch cord of the bottle body of fixed kettle, the Stretch cord between one lock and the second lock is second segment stretch cord, and second latches to the stretch cord between elastic force fake end For the 3rd section of stretch cord of the pot mouth part of fixed kettle.
22. a kind of novel and multifunctional knapsack as claimed in claim 1 or 2, it is characterised in that stretch cord includes arranged side by side two Rope, the ends of two ropes link together, and two ropes are upper to be equipped with locks simultaneously, lock include and meanwhile along position it is corresponding two Section sliding and/or the first lock of locking and second latch, and are respectively provided with the first lock and the second lock and are released when it is pressed Put the button of stretch cord；The top of two stretch cords is fixed on the medial surface of knapsack side or knapsack side pocket or by knapsack side On through hole drawn from inside backpacks, the part between the top of two stretch cords and the first lock is the bottle body of fixed kettle First paragraph stretch cord, the part between the first lock and the second lock be second segment stretch cord, and second latches to two elastic force Part between the end that fake links together is the 3rd section of stretch cord of the pot mouth part of fixed kettle.
A kind of 23. novel and multifunctional knapsack as described in claim 1,2,8, any one of 14-20, it is characterised in that back of the body width With groove, the groove of its middle and upper part is del, be triangular groove of the opening towards left side on the left of middle part, middle part right side Triangular groove for opening towards right side, it is arranged at towards the triangular groove in left side and right side relative with the shoulder folder portion of human body The position answered, bottom have the downward opening pentagonal groove of approximation.
A kind of 24. novel and multifunctional knapsack as described in claim 1,2,8, any one of 14-20, it is characterised in that back of the body width Two bottom sides have widening structure, and the bottom for carrying on the back width is bigger than the width on top.